{"id":2267,"date":"2025-12-12T02:14:03","date_gmt":"2025-12-12T02:14:03","guid":{"rendered":"https:\/\/cnkuangya.com\/?p=2267"},"modified":"2026-04-24T15:56:49","modified_gmt":"2026-04-24T07:56:49","slug":"why-every-pv-string-needs-surge-protection","status":"publish","type":"post","link":"https:\/\/cnkuangya.com\/ja\/blog\/why-every-pv-string-needs-surge-protection\/","title":{"rendered":"\u3059\u3079\u3066\u306ePV\u30b9\u30c8\u30ea\u30f3\u30b0\u306b\u30b5\u30fc\u30b8\u4fdd\u8b77\u304c\u5fc5\u8981\u306a\u7406\u7531"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u9632\u3052\u305f\u304b\u3082\u3057\u308c\u306a\u3044$47,000\u306e\u843d\u96f7<\/h2>\n\n\n\n<p>\u30a2\u30ea\u30be\u30ca\u306b\u3042\u308b500kW\u306e\u5546\u696d\u7528\u592a\u967d\u5149\u767a\u96fb\u8a2d\u5099\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30fb\u30c1\u30fc\u30e0\u304c\u3001\u6050\u308c\u3066\u3044\u305f\u9023\u7d61\u3092\u53d7\u3051\u305f\u306e\u306f7\u6708\u306e\u706b\u66dc\u65e5\u306e\u671d\u3060\u3063\u305f\u3002\u6fc0\u3057\u3044\u96f7\u96e8\u304c\u4e00\u6669\u4e2d\u7d9a\u304d\u3001\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u304c\u30aa\u30d5\u30e9\u30a4\u30f3\u306b\u306a\u3063\u3066\u3044\u305f\u306e\u3060\u3002\u6280\u8853\u8005\u305f\u3061\u304c\u73fe\u5834\u306b\u5230\u7740\u3059\u308b\u3068\u3001\u843d\u96f7\u304c\u4fdd\u8b77\u3055\u308c\u3066\u3044\u306a\u3044PV\u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u4f1d\u308f\u3063\u3066\u30013\u53f0\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u30fb\u30a4\u30f3\u30d0\u30fc\u30bf\u3092\u7834\u58ca\u3057\u300124\u679a\u306e\u592a\u967d\u96fb\u6c60\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u640d\u50b7\u3057\u3001\u76e3\u8996\u30b7\u30b9\u30c6\u30e0\u3092\u7834\u58ca\u3057\u3066\u3044\u305f\u3002\u4fee\u7406\u8cbb\u7528\u306f\uff1f$47,000\u3002\u30b7\u30b9\u30c6\u30e0\u306e\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u306f\uff1f3\u9031\u9593\u3002\u4e88\u7b97\u3092\u7bc0\u7d04\u3059\u308b\u305f\u3081\u306b\u8a2d\u7f6e\u6642\u306b\u30b9\u30ad\u30c3\u30d7\u3057\u305f\u9069\u5207\u306a\u592a\u967d\u5149\u767a\u96fb\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u30b5\u30fc\u30b8\u4fdd\u8b77\u306b\u304b\u304b\u3063\u305f\u8cbb\u7528\u306f\uff1f$2,000\u672a\u6e80\u3002.<\/p>\n\n\n\n<p>This isn&#8217;t an isolated incident. According to industry data, lightning and surge-related damage account for up to 30% of all solar system warranty claims. Yet many installers and system owners still view surge protection devices (SPDs) as optional accessories rather than essential safety equipment. If you&#8217;re responsible for designing, installing, or maintaining solar arrays, this mindset could be costing you\u2014or your clients\u2014tens of thousands of dollars.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u96a0\u3055\u308c\u305f\u8106\u5f31\u6027 <a href=\"https:\/\/cnkuangya.com\/ja\/pv-combiner-box\/\">PV\u30b9\u30c8\u30ea\u30f3\u30b0\u30b9<\/a><\/h2>\n\n\n\n<p>Solar arrays are essentially lightning magnets by design. Here&#8217;s why your PV strings are particularly vulnerable to surge events:<\/p>\n\n\n\n<p><strong>\u9732\u51fa\u5ea6\u306e\u4e0a\u6607<\/strong>:\u30bd\u30fc\u30e9\u30fc\u30d1\u30cd\u30eb\u306f\u610f\u56f3\u7684\u306b\u3001\u65e5\u5c04\u91cf\u304c\u6700\u5927\u3068\u306a\u308b\u958b\u653e\u7684\u3067\u9ad8\u3044\u5834\u6240\u306b\u8a2d\u7f6e\u3055\u308c\u308b\u3002\u5c4b\u4e0a\u8a2d\u7f6e\u306f\u5efa\u7269\u3067\u6700\u3082\u9ad8\u3044\u5834\u6240\u306b\u8a2d\u7f6e\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u4e00\u65b9\u3001\u7a7a\u304d\u5730\u306b\u8a2d\u7f6e\u3055\u308c\u305f\u5730\u4e0a\u8a2d\u7f6e\u306e\u30a2\u30ec\u30a4\u306f\u3001\u81ea\u7136\u306e\u96f7\u4fdd\u8b77\u304c\u6700\u5c0f\u9650\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<p><strong>\u30a2\u30f3\u30c6\u30ca\u3068\u3057\u3066\u306e\u9577\u3044DC\u30b1\u30fc\u30d6\u30eb<\/strong>:PV\u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u63a5\u7d9a\u3059\u308bDC\u30b1\u30fc\u30d6\u30eb\u306f\u5de8\u5927\u306a\u30a2\u30f3\u30c6\u30ca\u306e\u5f79\u5272\u3092\u679c\u305f\u3057\u3001\u8fd1\u96a3\u306e\u843d\u96f7\u306b\u3088\u308b\u96fb\u78c1\u5e72\u6e09\u3092\u62fe\u3044\u307e\u3059\u3002\u9593\u63a5\u7684\u306a\u843d\u96f7\uff082km\u4ee5\u5185\u306b\u3042\u308b\u5730\u9762\u3084\u8fd1\u304f\u306e\u69cb\u9020\u7269\u306b\u843d\u96f7\uff09\u3067\u3042\u3063\u3066\u3082\u3001\u4fdd\u8b77\u3055\u308c\u3066\u3044\u306a\u3044\u30b1\u30fc\u30d6\u30eb\u3067\u306f6,000V\u3092\u8d85\u3048\u308b\u96fb\u5727\u30b5\u30fc\u30b8\u3092\u8a98\u767a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u8907\u6570\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u30fb\u30dd\u30a4\u30f3\u30c8<\/strong>:\u5358\u4e00\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u63a5\u7d9a\u30dd\u30a4\u30f3\u30c8\u3092\u6301\u3064\u5f93\u6765\u306e\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u3068\u306f\u7570\u306a\u308a\u3001\u30bd\u30fc\u30e9\u30fc\u30a2\u30ec\u30a4\u306b\u306f\u4f55\u5341\u3001\u4f55\u767e\u3082\u306e\u6f5c\u5728\u7684\u306a\u30b5\u30fc\u30b8\u4fb5\u5165\u7d4c\u8def\u304c\u3042\u308a\u3001\u3059\u3079\u3066\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u304c\u9ad8\u4fa1\u306a\u30a4\u30f3\u30d0\u30fc\u30bf\u6a5f\u5668\u306b\u5230\u9054\u3059\u308b\u7834\u58ca\u7684\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u7d4c\u8def\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>DC\u30a2\u30fc\u30af\u306e\u6301\u7d9a\u6027<\/strong>: When surges cause arcing in DC systems, the arc doesn&#8217;t self-extinguish at zero-crossing like AC systems. DC arcs can persist and escalate, creating fire hazards and catastrophic equipment damage.<\/p>\n\n\n\n<p><strong>Think of your solar array like a field of lightning rods connected directly to precision electronic equipment\u2014without proper protection, it&#8217;s not a question of&nbsp;<em>\u3082\u3057<\/em>&nbsp;you&#8217;ll experience surge damage, but&nbsp;<em>\u3044\u3064<\/em>.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30bd\u30fc\u30e9\u30fc\u30a2\u30ec\u30a4\u306b\u96f7\u304c\u843d\u3061\u308b\u3068\u3069\u3046\u306a\u308b\u304b<\/h2>\n\n\n\n<p>\u4e0d\u5341\u5206\u306aPV\u30b9\u30c8\u30ea\u30f3\u30b0\u30b5\u30fc\u30b8\u4fdd\u8b77\u304c\u3082\u305f\u3089\u3059\u7d50\u679c\u306f\u3001\u76f4\u63a5\u7684\u306a\u6a5f\u5668\u306e\u640d\u50b7\u306b\u3068\u3069\u307e\u308a\u307e\u305b\u3093\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a5f\u5668\u306e\u5373\u6642\u7834\u58ca<\/h3>\n\n\n\n<p>\u30b5\u30fc\u30b8\u304c\u7121\u9632\u5099\u306aPV\u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u901a\u904e\u3059\u308b\u5834\u5408\u3001\u6700\u521d\u306e\u72a0\u7272\u8005\u306f\u901a\u5e38\u3001PV\u30b9\u30c8\u30ea\u30f3\u30b0\u3067\u3042\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30a4\u30f3\u30d0\u30fc\u30bf\u5165\u529b\u6bb5<\/strong>:IGBT\u30e2\u30b8\u30e5\u30fc\u30eb\u3001DC\u30ea\u30f3\u30af\u30b3\u30f3\u30c7\u30f3\u30b5\u3001\u5236\u5fa1\u57fa\u677f\uff08\u4fee\u7406\u8cbb\u7528\uff1a\u30a4\u30f3\u30d0\u30fc\u30bf1\u53f0\u3042\u305f\u308a$5,000\uff5e$15,000\u5186\uff09<\/li>\n\n\n\n<li><strong>\u592a\u967d\u96fb\u6c60\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30d0\u30a4\u30d1\u30b9\u30c0\u30a4\u30aa\u30fc\u30c9<\/strong>:\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u3068\u6c38\u4e45\u7684\u306a\u96fb\u529b\u640d\u5931\u306e\u539f\u56e0\uff08\u4ea4\u63db\u8cbb\u7528\uff1a\u30e2\u30b8\u30e5\u30fc\u30eb1\u500b\u306b\u3064\u304d$400\uff5e$800\uff09<\/li>\n\n\n\n<li><strong>\u76e3\u8996\u30fb\u901a\u4fe1\u6a5f\u5668<\/strong>:\u30c7\u30fc\u30bf\u30ed\u30ac\u30fc\u3001\u30bb\u30f3\u30b5\u30fc\u3001\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0 ($2,000-$8,000)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u96a0\u3057\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u52a3\u5316<\/h3>\n\n\n\n<p>Even surges that don&#8217;t cause immediate failure can create micro-cracks in solar cells, accelerating long-term degradation. Studies show that modules exposed to repeated surge events without adequate protection can lose 15-25% more efficiency over their lifetime compared to protected systems.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b7\u30b9\u30c6\u30e0\u306e\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u30b3\u30b9\u30c8<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u30b7\u30b9\u30c6\u30e0\u30fb\u30b5\u30a4\u30ba<\/th><th>1\u65e5\u5e73\u5747\u751f\u7523\u984d<\/th><th>3\u9031\u9593\u306e\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u30b3\u30b9\u30c8<\/th><th>\u5931\u308f\u308c\u305f\u53ce\u5165\uff08\u5e74\u9593\u5f71\u97ff\u984d\uff09<\/th><\/tr><tr><td>100kW \u696d\u52d9\u7528<\/td><td>$35-50\/\u65e5<\/td><td>$735-1,050<\/td><td>\u5b63\u7bc0\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u8003\u616e\u3059\u308b<\/td><\/tr><tr><td>500kW \u7523\u696d\u7528<\/td><td>$175-250\/\u65e5<\/td><td>$3,675-5,250<\/td><td>\u30d7\u30e9\u30b9\u30fb\u30c7\u30de\u30f3\u30c9\u30c1\u30e3\u30fc\u30b8\u9055\u7d04\u91d1<\/td><\/tr><tr><td>1MW \u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30fb\u30b9\u30b1\u30fc\u30eb<\/td><td>$350-500\/\u65e5<\/td><td>$7,350-10,500<\/td><td>\u30d7\u30e9\u30b9PPA\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30fb\u30da\u30ca\u30eb\u30c6\u30a3<\/td><\/tr><tr><td>5MW\u30bd\u30fc\u30e9\u30fc\u30d5\u30a1\u30fc\u30e0<\/td><td>$1,750-2,500\/\u65e5<\/td><td>$36,750-52,500<\/td><td>\u30d7\u30e9\u30b9\u516c\u5171\u6599\u91d1\u5951\u7d04\u9055\u7d04\u91d1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Pro-Tip: Many insurance policies won&#8217;t cover surge damage if you can&#8217;t prove that code-required surge protection was properly installed and maintained\u2014always document your SPD installations with dated photos and commissioning reports.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fdd\u8a3c\u7121\u52b9\u30ea\u30b9\u30af<\/h3>\n\n\n\n<p>Here&#8217;s the clause that many miss in manufacturer warranties: Most inverter and module warranties explicitly require &#8220;properly installed surge protection in accordance with local electrical codes and IEC 61643-31.&#8221; If you can&#8217;t demonstrate that appropriate SPDs were installed, you could void warranties worth tens of thousands of dollars.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6587\u5b57\u5217\u30ec\u30d9\u30eb\u306e\u4fdd\u8b77\u304c\u8b72\u308c\u306a\u3044\u7406\u7531<\/h2>\n\n\n\n<p>PV\u30b7\u30b9\u30c6\u30e0\u3092\u901a\u904e\u3059\u308b\u30b5\u30fc\u30b8\u7d4c\u8def\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u8907\u6570\u306e\u30ec\u30d9\u30eb\u3067\u306e\u4fdd\u8b77\u304c\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u7406\u7531\u304c\u660e\u3089\u304b\u306b\u306a\u308b\uff1a<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"1254\" class=\"wp-image-2269\" style=\"width: 800px;\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504775895.png\" alt=\"\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504775895.png 906w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504775895-191x300.png 191w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504775895-653x1024.png 653w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504775895-768x1204.png 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504775895-8x12.png 8w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504775895-300x470.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504775895-600x940.png 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n\n\n\n\n\n<h3 class=\"wp-block-heading\">\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u30fb\u30ab\u30b9\u30b1\u30fc\u30c9\u306e\u30b3\u30f3\u30bb\u30d7\u30c8<\/h3>\n\n\n\n<p>\u52b9\u679c\u7684\u306aPV\u30b9\u30c8\u30ea\u30f3\u30b0\u30b5\u30fc\u30b8\u4fdd\u8b77\u306f\u3001\u8abf\u6574\u3055\u308c\u305f\u4fdd\u8b77\u30ab\u30b9\u30b1\u30fc\u30c9\u306b\u5f93\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u305d\u308c\u305e\u308c\u304c\u7279\u5b9a\u306e\u8105\u5a01\u30ec\u30d9\u30eb\u306b\u5bfe\u5fdc\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f\u4e00\u9023\u306e\u9632\u5fa1\u30d0\u30ea\u30a2\u3068\u8003\u3048\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<p><strong>\u30d5\u30a1\u30fc\u30b9\u30c8\u30fb\u30e9\u30a4\u30f3\u30fb\u30aa\u30d6\u30fb\u30c7\u30a3\u30d5\u30a7\u30f3\u30b9\uff08\u30b9\u30c8\u30ea\u30f3\u30b0\u30fb\u30ec\u30d9\u30eb\uff09<\/strong>:PV\u30a2\u30ec\u30a4\u307e\u305f\u306f\u305d\u306e\u8fd1\u508d\u306b\u8a2d\u7f6e\u3055\u308c\u308b\u30bf\u30a4\u30d72\u306eSPD\u306f\u3001\u521d\u671f\u306e\u30b5\u30fc\u30b8\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u51e6\u7406\u3059\u308b\u3002\u3053\u308c\u3089\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u9ad8\u96fb\u5727\u904e\u6e21\u73fe\u8c61\u304c\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u84c4\u7a4d\u3057\u3084\u3059\u3044\u9577\u3044\u30b1\u30fc\u30d6\u30eb\u3092\u901a\u3063\u3066\u4f1d\u64ad\u3059\u308b\u524d\u306b\u30af\u30e9\u30f3\u30d7\u3059\u308b\u3002.<\/p>\n\n\n\n<p><strong>\u30bb\u30ab\u30f3\u30c9\u30e9\u30a4\u30f3\uff08\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\uff09<\/strong>:\u8ffd\u52a0\u306e\u30bf\u30a4\u30d72 SPD\u306f\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u30ec\u30d9\u30eb\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u901a\u904e\u3057\u305f\u308a\u3001\u4ed6\u306e\u7d4c\u8def\u304b\u3089\u4fb5\u5165\u3057\u305f\u6b8b\u7559\u30b5\u30fc\u30b8\u3092\u51e6\u7406\u3059\u308b\u3002.<\/p>\n\n\n\n<p><strong>\u6700\u7d42\u30e9\u30a4\u30f3\uff08\u30a4\u30f3\u30d0\u30fc\u30bf\u5165\u529b\uff09<\/strong>: Type 2 or fine-protection SPDs installed at the inverter&#8217;s DC input provide the last defense, ensuring that only clean power reaches sensitive electronics.<\/p>\n\n\n\n<p><strong>\u4e3b\u8981\u539f\u5247\uff1a\u5404\u4fdd\u8b77\u6bb5\u968e\u306f\u9069\u5207\u306b\u8abf\u6574\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u307e\u305f\u3001SPD\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u9632\u3050\u305f\u3081\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u5c11\u306a\u304f\u3068\u308210\u30e1\u30fc\u30c8\u30eb\u306e\u30b1\u30fc\u30d6\u30eb\u3067\u5206\u96e2\u3059\u308b\u304b\u3001\u30c7\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0\u30a4\u30f3\u30c0\u30af\u30bf\u3092\u4ecb\u3057\u3066\u63a5\u7d9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3068\u30b3\u30fc\u30c9\u8981\u4ef6<\/h3>\n\n\n\n<p>\u7c73\u56fd\u96fb\u6c17\u5de5\u4e8b\u898f\u5b9a\uff08NEC\uff09\u7b2c690.35\u6761\uff08A\uff09\u3067\u306f\u3001PV\u30b7\u30b9\u30c6\u30e0\u306b\u5bfe\u3059\u308b\u30b5\u30fc\u30b8\u4fdd\u8b77\u3092\u660e\u78ba\u306b\u5b9a\u3081\u3066\u3044\u308b\u3002\u5177\u4f53\u7684\u306b\u306f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5efa\u7269\u5185\u5916\u3067\u914d\u7dda\u304c\u9732\u51fa\u3059\u308bPV\u30b7\u30b9\u30c6\u30e0\u306b\u306fSPD\u304c\u5fc5\u8981<\/li>\n\n\n\n<li>SPD\u306f\u3001\u76f4\u6d41PV\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u7528\u306b\u30ea\u30b9\u30c8\u3055\u308c\u3001\u30e9\u30d9\u30eb\u4ed8\u3051\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/li>\n\n\n\n<li>\u76f4\u6d41\u5074\u3068\u4ea4\u6d41\u5074\u306e\u4e21\u65b9\u306b\u4fdd\u8b77\u304c\u5fc5\u8981<\/li>\n<\/ul>\n\n\n\n<p>IEC 61643-31\u306f\u3001\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308bSPD\u306e\u9078\u629e\u3068\u8a2d\u7f6e\u306b\u95a2\u3059\u308b\u56fd\u969b\u898f\u683c\u3067\u3001\u8a66\u9a13\u624b\u9806\u3068\u6700\u4f4e\u6027\u80fd\u8981\u4ef6\u3092\u898f\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u30d7\u30ed\u30fb\u30a2\u30c9\u30d0\u30a4\u30b9: \u8a31\u53ef\u5be9\u67fb\u3084\u691c\u67fb\u306b\u304a\u3044\u3066\u3001\u9069\u5207\u306b\u683c\u4ed8\u3051\u3055\u308c\u8a2d\u7f6e\u3055\u308c\u305f\u30b9\u30c8\u30ea\u30f3\u30b0\u30ec\u30d9\u30eb\u306eSPD\u306f\u3001\u6280\u8853\u7684\u306a\u30c7\u30e5\u30fc\u30c7\u30ea\u30b8\u30a7\u30f3\u30b9\u3092\u8a3c\u660e\u3057\u3001\u627f\u8a8d\u30d7\u30ed\u30bb\u30b9\u3092\u65e9\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u306e4\u6bb5\u968e\u9078\u8003\u6cd5 <a href=\"https:\/\/cnkuangya.com\/ja\/pv-combiner-box\/\">PV\u30b9\u30c8\u30ea\u30f3\u30b0<\/a> SPD<\/h2>\n\n\n\n<p>Selecting appropriate pv string surge protection isn&#8217;t guesswork\u2014follow this systematic approach to specify the right devices every time:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b9\u30c6\u30c3\u30d71\uff1a\u6700\u5927\u30b7\u30b9\u30c6\u30e0\u96fb\u5727\u306e\u8a08\u7b97\uff08Voc\u8003\u616e\uff09<\/h3>\n\n\n\n<p>Your SPD&#8217;s maximum continuous operating voltage (Uc) must exceed the maximum open-circuit voltage (Voc) your system can produce under any conditions.<\/p>\n\n\n\n<p><strong>\u8a08\u7b97\u5f0f\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Uc(min)\uff1dVoc(STC)\u00d7\u6e29\u5ea6\u88dc\u6b63\u4fc2\u6570\u00d7\u5b89\u5168\u30de\u30fc\u30b8\u30f3<\/code><\/pre>\n\n\n\n<p><strong>\u6e29\u5ea6\u88dc\u6b63\u4fc2\u6570<\/strong>:25\u00b0C\uff08STC\uff09\u309210\u00b0C\u4e0b\u56de\u308b\u3054\u3068\u306b\u3001\u4e00\u822c\u7684\u306a\u7d50\u6676\u30b7\u30ea\u30b3\u30f3\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u5834\u5408\u3001Voc\u306f1\u00b0C\u3042\u305f\u308a\u7d040.35\uff5e0.40%\u5897\u52a0\u3059\u308b\u3002.<\/p>\n\n\n\n<p><strong>\u8a08\u7b97\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb Voc (STC)\uff1a49.5V<\/li>\n\n\n\n<li>\u6587\u5b57\u5217\u306e\u9577\u3055\uff1a20\u30e2\u30b8\u30e5\u30fc\u30eb<\/li>\n\n\n\n<li>STC\u3067\u306eVoc\uff1a49.5V\u00d720\uff1d990V<\/li>\n\n\n\n<li>\u4e88\u60f3\u6700\u4f4e\u6c17\u6e29\uff1a-20<\/li>\n\n\n\n<li>STC\u3068\u306e\u6e29\u5ea6\u5dee\uff1a45<\/li>\n\n\n\n<li>\u96fb\u5727\u4e0a\u6607990V\u00d7\uff0845\u2103\u00d70.0035\uff09\uff1d156V<\/li>\n\n\n\n<li>\u6700\u5927Voc\uff1a990V + 156V = 1,146V<\/li>\n\n\n\n<li>15%\u306e\u5b89\u5168\u30de\u30fc\u30b8\u30f3\u3092\u8003\u616e\u3057\u305f\u5834\u5408\u306e\u5fc5\u8981Uc\uff1a1,146V\u00d71.15\uff1d1,146V\u00a0<strong>1,318V<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>\u9078\u629e\u3059\u308b\uff1a\u516c\u79f01000V\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u3001Uc\u22671500V DC\u306eSPD\u3092\u9078\u629e\u3059\u308b\u3002.<\/strong><\/p>\n\n\n\n<p><strong>\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u516c\u79f0\u30b7\u30b9\u30c6\u30e0\u96fb\u5727\u3060\u3051\u3067SPD\u3092\u9078\u629e\u3057\u306a\u3044\u3053\u3068\u3002\u5e38\u306b\u3001\u6e29\u5ea6\u306e\u5f71\u97ff\u3092\u542b\u3080\u30ef\u30fc\u30b9\u30c8\u30b1\u30fc\u30b9Voc\u3092\u8a08\u7b97\u3057\u3001\u4f4e\u6e29\u3001\u9ad8\u7167\u5ea6\u6761\u4ef6\u4e0b\u3067\u306eSPD\u306e\u52a3\u5316\u3092\u9632\u3050\u305f\u3081\u306b15-20%\u306e\u5b89\u5168\u30de\u30fc\u30b8\u30f3\u3092\u52a0\u3048\u307e\u3059\u3002.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b9\u30c6\u30c3\u30d72\uff1a\u5fc5\u8981\u306a\u96fb\u5727\u4fdd\u8b77\u30ec\u30d9\u30eb\u306e\u6c7a\u5b9a\uff08\u30a2\u30c3\u30d7\uff09<\/h3>\n\n\n\n<p>\u96fb\u5727\u4fdd\u8b77\u30ec\u30d9\u30eb\uff08Up\uff09\u306f\u3001SPD\u52d5\u4f5c\u4e2d\u306b\u4fdd\u8b77\u5bfe\u8c61\u6a5f\u5668\u306b\u73fe\u308c\u308b\u6700\u5927\u96fb\u5727\u3067\u3059\u3002\u3053\u308c\u306f\u6a5f\u5668\u306e\u8010\u96fb\u5727\u3088\u308a\u4f4e\u304f\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p><strong>\u9078\u8003\u57fa\u6e96<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Up(SPD)\uff1c0.8\u00d7\u6a5f\u5668\u8010\u96fb\u5727<\/code><\/pre>\n\n\n\n<p>\u4e00\u822c\u7684\u306a\u30b9\u30c8\u30ea\u30f3\u30b0\u30a4\u30f3\u30d0\u30fc\u30bf\u306e\u5834\u5408\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1000V\u30b7\u30b9\u30c6\u30e0\u30a4\u30f3\u30d0\u30fc\u30bf\uff1a\u8010\u96fb\u5727\u306f\u901a\u5e386\uff5e8kV<\/li>\n\n\n\n<li>1500V\u30b7\u30b9\u30c6\u30e0\u30a4\u30f3\u30d0\u30fc\u30bf\uff1a\u8010\u96fb\u5727\u306f\u901a\u5e3810-12kV<\/li>\n<\/ul>\n\n\n\n<p><strong>\u5f26\u30ec\u30d9\u30eb\u306eSPD\u306e\u63a8\u5968\u30a2\u30c3\u30d7\u5024\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1000V\u30b7\u30b9\u30c6\u30e0\u6700\u5927\u2264 4 kV<\/li>\n\n\n\n<li>1500V\u30b7\u30b9\u30c6\u30e0\u6700\u5927\u2264 6 kV<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30d2\u30f3\u30c8\uff1aUp\u5024\u304c\u4f4e\u3044\u307b\u3069\u4fdd\u8b77\u6027\u80fd\u306f\u9ad8\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u8d77\u52d5\u983b\u5ea6\u304c\u9ad8\u304f\u306a\u308b\u305f\u3081\u5bff\u547d\u304c\u77ed\u304f\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u96f7\u306e\u591a\u3044\u5730\u57df\u3067\u306f\u3001\u3088\u308a\u5805\u7262\u306a\u4ed5\u69d8\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b9\u30c6\u30c3\u30d73\uff1a\u9069\u5207\u306a\u653e\u96fb\u96fb\u6d41\u5b9a\u683c\uff08Iimp\u3001Imax\uff09\u306e\u9078\u629e<\/h3>\n\n\n\n<p>PV\u30b9\u30c8\u30ea\u30f3\u30b0SPD\u306f\u3001\u76f4\u63a5\u96f7\u30b5\u30fc\u30b8\u3068\u9593\u63a5\u96f7\u30b5\u30fc\u30b8\u306e\u4e21\u65b9\u306b\u5bfe\u5fdc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u7406\u89e3\u3059\u3079\u304d\u91cd\u8981\u306a\u5b9a\u683c<\/p>\n\n\n\n<p><strong>Iimp\uff08\u30a4\u30f3\u30d1\u30eb\u30b9\u96fb\u6d41\uff09<\/strong>: The device&#8217;s ability to handle the high-energy surge from direct or nearby lightning strikes. Measured with a 10\/350 \u03bcs waveform (Type 1 test).<\/p>\n\n\n\n<p><strong>Imax\uff08\u6700\u5927\u653e\u96fb\u96fb\u6d41\uff09<\/strong>: The device&#8217;s ability to handle multiple surges from indirect strikes. Measured with an 8\/20 \u03bcs waveform (Type 2 test).<\/p>\n\n\n\n<p><strong>\u5fdc\u52df\u306b\u3088\u308b\u9078\u8003\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u7533\u3057\u8fbc\u307f<\/th><th>\u9732\u51fa\u5ea6<\/th><th>\u63a8\u5968\u30a2\u30a4\u30a4\u30f3\u30d7<\/th><th>\u63a8\u5968\u30a2\u30a4\u30de\u30c3\u30af\u30b9<\/th><th>\u30bf\u30a4\u30d7\u30af\u30e9\u30b9<\/th><\/tr><tr><td>\u5c4b\u4e0a\u5546\u696d\u65bd\u8a2d\uff08\u4f4e\u5c64\u968e\uff09<\/td><td>\u9593\u63a5\u7684\u306a\u30b9\u30c8\u30e9\u30a4\u30ad\u306e\u307f<\/td><td>\u4e0d\u8981<\/td><td>20\uff5e40kA\uff081\u6975\u3042\u305f\u308a\uff09<\/td><td>\u30bf\u30a4\u30d72<\/td><\/tr><tr><td>\u5c4b\u4e0a\u5546\u696d\u65bd\u8a2d\uff08\u9ad8\u5c64\u968e\uff09<\/td><td>\u4e2d\u7a0b\u5ea6\u306e\u76f4\u6483\u30ea\u30b9\u30af<\/td><td>5\uff5e12.5 kA<\/td><td>40 kA<\/td><td>\u30bf\u30a4\u30d71+2<\/td><\/tr><tr><td>\u30b0\u30e9\u30f3\u30c9\u30de\u30a6\u30f3\u30c8\uff08\u30aa\u30fc\u30d7\u30f3\u30d5\u30a3\u30fc\u30eb\u30c9\uff09<\/td><td>\u9ad8\u3044\u76f4\u6483\u30ea\u30b9\u30af<\/td><td>12.5\uff5e25 kA<\/td><td>40\uff5e60 kA<\/td><td>\u30bf\u30a4\u30d71+2<\/td><\/tr><tr><td>\u30b0\u30e9\u30a6\u30f3\u30c9\u30de\u30a6\u30f3\u30c8\uff08\u9ad8\u7167\u5ea6\u9818\u57df\uff09<\/td><td>\u975e\u5e38\u306b\u9ad8\u3044\u30ea\u30b9\u30af<\/td><td>25 kA<\/td><td>60-100 kA<\/td><td>\u30bf\u30a4\u30d71<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u30b9\u30c8\u30ea\u30f3\u30b0\u30ec\u30d9\u30eb\u306e\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u306e\u8a08\u7b97\u4f8b\uff1a<\/strong><br>\u4e2d\u7a0b\u5ea6\u306e\u96f7\u5730\u57df\u306b\u3042\u308b\u5178\u578b\u7684\u306a\u5546\u696d\u7528\u5c4b\u4e0a\u30a2\u30ec\u30a4\u306e\u5834\u5408\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9732\u51fa\uff1a\u4e3b\u306b\u9593\u63a5\u7684\u306a\u6253\u6483<\/li>\n\n\n\n<li>\u63a8\u5968\u30bf\u30a4\u30d72 SPD<\/li>\n\n\n\n<li>1\u6975\u3042\u305f\u308a\u306e\u6700\u5c0fImax\uff1a40 kA\uff088\/20 \u03bcs\uff09<\/li>\n\n\n\n<li>\u91cd\u8981\u306a\u8a2d\u5099\u306e\u5834\u5408\uff1aIimp=12.5kA\u306e\u30bf\u30a4\u30d71+2\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u3092\u691c\u8a0e\u3059\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b9\u30c6\u30c3\u30d74\uff1a\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u9078\u629e\uff08MOV\u5bfeGDT\uff09<\/h3>\n\n\n\n<p>The debate between Metal Oxide Varistor (MOV) and Gas Discharge Tube (GDT) technology for pv string surge protection often confuses engineers. Here&#8217;s the definitive comparison:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u30d1\u30e9\u30e1\u30fc\u30bf<\/th><th>MOV\u30c6\u30af\u30ce\u30ed\u30b8\u30fc<\/th><th>GDT\u30c6\u30af\u30ce\u30ed\u30b8\u30fc<\/th><th>\u512a\u52dd<\/th><\/tr><tr><td><strong>\u5fdc\u7b54\u6642\u9593<\/strong><\/td><td>&lt;25\u30ca\u30ce\u79d2<\/td><td>&lt;100\u30ca\u30ce\u79d2<\/td><td>MOV<\/td><\/tr><tr><td><strong>\u96fb\u5727\u4fdd\u8b77\u30ec\u30d9\u30eb\uff08\u4e0a\uff09<\/strong><\/td><td>\u4f4e\u3044\uff08\u4fdd\u8b77\u6027\u80fd\u304c\u9ad8\u3044\uff09<\/td><td>\u9ad8\u3044\uff08\u5341\u5206\u306a\u4fdd\u8b77\uff09<\/td><td>MOV<\/td><\/tr><tr><td><strong>\u653e\u96fb\u5bb9\u91cf\uff081\u30b5\u30a4\u30af\u30eb\u3042\u305f\u308a\uff09<\/strong><\/td><td>\u4e2d\u7a0b\u5ea6\uff08\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u52a3\u5316\u3059\u308b\uff09<\/td><td>\u9ad8\u3044\uff08\u5805\u7262\uff09<\/td><td>GDT<\/td><\/tr><tr><td><strong>\u5bff\u547d\uff08\u30b5\u30fc\u30b8\u56de\u6570\uff09<\/strong><\/td><td>\u9650\u5b9a\u7684\uff08500\uff5e2000\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\uff09<\/td><td>\u30a8\u30af\u30bb\u30ec\u30f3\u30c8\uff08\u9ad8\u30a8\u30cd\u30eb\u30ae\u30fc\u624b\u88531000\u56de\u4ee5\u4e0a\uff09<\/td><td>GDT<\/td><\/tr><tr><td><strong>\u6f0f\u308c\u96fb\u6d41<\/strong><\/td><td>\u4e2d\u7a0b\u5ea6\uff08\u5e74\u9f62\u3068\u3068\u3082\u306b\u5897\u52a0\u3059\u308b\uff09<\/td><td>\u307b\u307c\u30bc\u30ed<\/td><td>GDT<\/td><\/tr><tr><td><strong>\u30d5\u30a9\u30ed\u30fc\u30ab\u30ec\u30f3\u30c8\uff08DC\uff09<\/strong><\/td><td>\u306a\u3057\uff08DC\u306b\u6700\u9069\uff09<\/td><td>\u30a2\u30fc\u30af\u30af\u30a8\u30f3\u30c1\u3092\u884c\u308f\u306a\u3044\u3068\u554f\u984c\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308b<\/td><td>MOV<\/td><\/tr><tr><td><strong>\u6545\u969c\u30e2\u30fc\u30c9<\/strong><\/td><td>\u901a\u5e38\u306f\u77ed\u7d61\uff08\u5b89\u5168\uff09<\/td><td>\u30b7\u30e7\u30fc\u30c8\u3059\u308b\u3053\u3068\u304c\u3042\u308b<\/td><td>\u3069\u3061\u3089\u3082\u9069\u5207\u306a\u8a2d\u8a08\u3067\u5b89\u5168<\/td><\/tr><tr><td><strong>\u52d5\u4f5c\u6e29\u5ea6\u7bc4\u56f2<\/strong><\/td><td>\u826f\u597d\uff08-40\u2103\uff5e+85\uff09<\/td><td>\u30a8\u30af\u30bb\u30ec\u30f3\u30c8\uff08-40\u2103\uff5e+90\uff09<\/td><td>GDT<\/td><\/tr><tr><td><strong>\u30b3\u30b9\u30c8\uff08\u76f8\u5bfe\uff09<\/strong><\/td><td>\u3088\u308a\u4f4e\u3044<\/td><td>\u3088\u308a\u9ad8\u3044<\/td><td>MOV<\/td><\/tr><tr><td><strong>\u30d9\u30b9\u30c8\u30fb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong><\/td><td>\u4e2d\u7a0b\u5ea6\u306e\u30b5\u30fc\u30b8\u983b\u5ea6<\/td><td>\u9ad8\u30b5\u30fc\u30b8\u5468\u6ce2\u6570\u3001\u91cd\u8981\u306a\u4fdd\u8b77<\/td><td>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u4f9d\u5b58<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Hybrid Solution &#8211; The Professional Choice:<\/strong><\/p>\n\n\n\n<p>\u6700\u65b0\u306e\u9ad8\u6027\u80fdPV SPD\u306f\u3001\u6bb5\u968e\u7684\u4fdd\u8b77\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u4e21\u65b9\u306e\u6280\u8853\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3044\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30d7\u30e9\u30a4\u30de\u30ea\u30fc\u30b9\u30c6\u30fc\u30b8\uff08GDT\uff09<\/strong>:\u512a\u308c\u305f\u653e\u96fb\u5bb9\u91cf\u3067\u9ad8\u30a8\u30cd\u30eb\u30ae\u30fc\u30b5\u30fc\u30b8\u306b\u5bfe\u5fdc<\/li>\n\n\n\n<li><strong>\u30bb\u30ab\u30f3\u30c0\u30ea\u30fc\u30b9\u30c6\u30fc\u30b8\uff08MOV\uff09<\/strong>:\u9ad8\u901f\u5fdc\u7b54\u3068\u4f4e\u96fb\u5727\u30af\u30e9\u30f3\u30d7\u3092\u63d0\u4f9b<\/li>\n\n\n\n<li><strong>\u30a2\u30fc\u30af\u6d88\u5f27\u56de\u8def<\/strong>:GDT\u304c\u73fe\u5728\u306e\u554f\u984c\u3092\u30d5\u30a9\u30ed\u30fc\u3059\u308b\u306e\u3092\u9632\u3050<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30ad\u30fc\u30dd\u30a4\u30f3\u30c8\u9577\u671f\u7684\u306a\u4fe1\u983c\u6027\u304c\u91cd\u8981\u306a\u5546\u696d\u65bd\u8a2d\u3084\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u898f\u6a21\u306e\u65bd\u8a2d\u3067\u306f\u3001\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9MOV+GDT\u6280\u8853\u306eSPD\u3092\u3054\u6307\u5b9a\u304f\u3060\u3055\u3044\u3002\u521d\u671f\u30b3\u30b9\u30c8\u304c\u82e5\u5e72\u9ad8\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u9577\u5bff\u547d\u3068\u512a\u308c\u305f\u4fdd\u8b77\u6027\u80fd\u306b\u3088\u3063\u3066\u76f8\u6bba\u3055\u308c\u307e\u3059\u3002.<\/strong><\/p>\n\n\n\n<p><strong>\u9078\u629e\u6c7a\u5b9a\u6728\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e88\u7b97\u91cd\u8996\u306e\u4f4f\u5b85\u7528\uff0820kW\u672a\u6e80\uff09\uff1aMOV\u306e\u307f\u306e\u30bf\u30a4\u30d72 SPD<\/li>\n\n\n\n<li>\u5546\u696d\u7528\u5c4b\u4e0a\uff0820\uff5e500kW\uff09\uff1a\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9MOV+GDT\u30bf\u30a4\u30d72 SPD<\/li>\n\n\n\n<li>\u30b0\u30e9\u30f3\u30c9\u30de\u30a6\u30f3\u30c8\u307e\u305f\u306f\u9ad8\u7167\u5ea6\u30a8\u30ea\u30a2\uff1a\u30a2\u30fc\u30af\u6d88\u5f27\u6a5f\u80fd\u4ed8\u304d\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30fb\u30bf\u30a4\u30d71+2 SPD<\/li>\n\n\n\n<li>Utility-scale (> 1 MW): Hybrid Type 1 SPD with remote monitoring<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u91cd\u8981\u306a\u6280\u8853\u7684\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u3064\u3044\u3066<\/h2>\n\n\n\n<p>\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306e\u4ed5\u69d8\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u592a\u967d\u5149\u767a\u96fb\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u30b5\u30fc\u30b8\u4fdd\u8b77\u306b\u3064\u3044\u3066\u5341\u5206\u306a\u60c5\u5831\u3092\u5f97\u305f\u4e0a\u3067\u6c7a\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5305\u62ec\u7684\u306a\u6280\u8853\u6bd4\u8f03<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u6280\u8853\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc<\/th><th>MOV\uff08\u91d1\u5c5e\u9178\u5316\u7269\u30d0\u30ea\u30b9\u30bf\uff09<\/th><th>GDT\uff08\u30ac\u30b9\u30fb\u30c7\u30a3\u30b9\u30c1\u30e3\u30fc\u30b8\u30fb\u30c1\u30e5\u30fc\u30d6\uff09<\/th><th>\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9MOV+GDT<\/th><\/tr><tr><td><strong>\u4e3b\u8981\u7d20\u6750<\/strong><\/td><td>\u9178\u5316\u4e9c\u925b\u30bb\u30e9\u30df\u30c3\u30af<\/td><td>\u30bb\u30e9\u30df\u30c3\u30af\u7ba1\u5185\u306e\u4e0d\u6d3b\u6027\u30ac\u30b9\uff08\u30a2\u30eb\u30b4\u30f3\u3001\u30cd\u30aa\u30f3<\/td><td>\u3069\u3061\u3089\u306e\u6280\u8853\u3082\u6bb5\u968e\u7684<\/td><\/tr><tr><td><strong>\u6d3b\u6027\u5316\u306e\u30e1\u30ab\u30cb\u30ba\u30e0<\/strong><\/td><td>\u96fb\u5727\u4f9d\u5b58\u306e\u62b5\u6297\u5909\u5316<\/td><td>\u30ac\u30b9\u306e\u30a4\u30aa\u30f3\u5316\u3068\u5206\u89e3<\/td><td>\u30b7\u30fc\u30b1\u30f3\u30b7\u30e3\u30eb\u8d77\u52d5<\/td><\/tr><tr><td><strong>\u5fdc\u7b54\u6642\u9593<\/strong><\/td><td>5\uff5e25\u30ca\u30ce\u79d2<\/td><td>50\uff5e100\u30ca\u30ce\u79d2<\/td><td>5\uff5e25\u30ca\u30ce\u79d2\uff08MOV\u30b9\u30c6\u30fc\u30b8\u304c\u5148\uff09<\/td><\/tr><tr><td><strong>\u96fb\u5727\u4fdd\u8b77\u30ec\u30d9\u30eb\uff08\u4e0a\uff09<\/strong><\/td><td>2.5-4.0 kV (1000V\u30b7\u30b9\u30c6\u30e0)<\/td><td>3.5-6.0 kV (1000V\u30b7\u30b9\u30c6\u30e0)<\/td><td>2.5-4.0 kV<\/td><\/tr><tr><td><strong>\u30a8\u30cd\u30eb\u30ae\u30fc\u51e6\u7406\uff081\u56de\u3042\u305f\u308a\uff09<\/strong><\/td><td>100-500\u30b8\u30e5\u30fc\u30eb<\/td><td>500\uff5e2000\u30b8\u30e5\u30fc\u30eb<\/td><td>500\uff5e2000\u30b8\u30e5\u30fc\u30eb<\/td><\/tr><tr><td><strong>\u6700\u5927\u653e\u96fb\u96fb\u6d41\uff088\/20\u03bcs\uff09<\/strong><\/td><td>20\uff5e60 kA<\/td><td>40-100 kA<\/td><td>40-100 kA<\/td><\/tr><tr><td><strong>\u30a4\u30f3\u30d1\u30eb\u30b9\u96fb\u6d41\uff0810\/350\u03bcs\uff09<\/strong><\/td><td>\u901a\u5e38\u3001\u683c\u4ed8\u3051\u3055\u308c\u3066\u3044\u306a\u3044<\/td><td>5\uff5e25kA<\/td><td>5\uff5e25kA<\/td><\/tr><tr><td><strong>\u6f0f\u308c\u96fb\u6d41\uff08Uc\u6642\uff09<\/strong><\/td><td>10\uff5e100\u03bcA\uff08\u5e74\u9f62\u3068\u3068\u3082\u306b\u5897\u52a0\u3059\u308b\uff09<\/td><td>&lt; 1 \u03bcA<\/td><td>&lt; 10 \u03bcA<\/td><\/tr><tr><td><strong>\u30a8\u30fc\u30b8\u30f3\u30b0\u7279\u6027<\/strong><\/td><td>\u5f90\u3005\u306b\u4f4e\u4e0b\u3001\u4e0a\u6607<\/td><td>\u6700\u5c0f\u9650\u306e\u52a3\u5316<\/td><td>GDT\u306b\u3088\u3063\u3066\u7de9\u548c\u3055\u308c\u308bMOV\u306e\u52a3\u5316<\/td><\/tr><tr><td><strong>\u6e29\u5ea6\u4fc2\u6570<\/strong><\/td><td>-0.05%\/\u2103\uff08Uc\u306f\u6e29\u5ea6\u3068\u3068\u3082\u306b\u6e1b\u5c11\u3059\u308b\uff09<\/td><td>\u6700\u5c0f\u9650<\/td><td>-0.05%\/\u00b0C<\/td><\/tr><tr><td><strong>\u76f4\u6d41\u96fb\u6d41\u306b\u5f93\u3046<\/strong><\/td><td>\u306a\u3057\uff08\u81ea\u5df1\u6d88\u706b\u6027\uff09<\/td><td>\u554f\u984c\u3042\u308a\uff081-2A\uff09<\/td><td>\u30c7\u30b6\u30a4\u30f3\u306b\u3088\u308b\u6392\u9664<\/td><\/tr><tr><td><strong>\u4e00\u822c\u7684\u306a\u5bff\u547d<\/strong><\/td><td>500-2000\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3<\/td><td>&gt;5000\u56de\u4ee5\u4e0a<\/td><td>2000-5000\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3<\/td><\/tr><tr><td><strong>\u6545\u969c\u8868\u793a<\/strong><\/td><td>\u8996\u899a\uff0b\u96fb\u6c17<\/td><td>\u8996\u899a\uff0b\u96fb\u6c17<\/td><td>\u9060\u9694\u76e3\u8996\u304c\u53ef\u80fd<\/td><\/tr><tr><td><strong>\u74b0\u5883\u4fdd\u8b77<\/strong><\/td><td>IP20-IP65\uff08\u3055\u307e\u3056\u307e\uff09<\/td><td>IP20-IP65\uff08\u3055\u307e\u3056\u307e\uff09<\/td><td>IP20-IP65\uff08\u3055\u307e\u3056\u307e\uff09<\/td><\/tr><tr><td><strong>\u4e00\u822c\u7684\u306a\u30b3\u30b9\u30c8\uff08\u76f8\u5bfe\u7684\uff09<\/strong><\/td><td>$50-150\/\u6975<\/td><td>$80-250\/\u6975<\/td><td>$150-400\/\u6975<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30bd\u30fc\u30e9\u30fc\u7528SPD\u30bf\u30a4\u30d71\u3068\u30bf\u30a4\u30d72\u306e\u6bd4\u8f03<\/h3>\n\n\n\n<p>\u9069\u5207\u306a\u592a\u967d\u5149\u767a\u96fb\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u30b5\u30fc\u30b8\u4fdd\u8b77\u306b\u306f\u3001\u30bf\u30a4\u30d71\u3068\u30bf\u30a4\u30d72\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u3044\u3064\u6307\u5b9a\u3059\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u7279\u5fb4<\/th><th>\u30bf\u30a4\u30d71 SPD<\/th><th>\u30bf\u30a4\u30d72 SPD<\/th><th>\u5b9f\u8df5\u30ac\u30a4\u30c0\u30f3\u30b9<\/th><\/tr><tr><td><strong>\u30c6\u30b9\u30c8\u6ce2\u5f62<\/strong><\/td><td>10\/350 \u03bcs\uff08\u9ad8\u30a8\u30cd\u30eb\u30ae\u30fc\uff09<\/td><td>8\/20 \u03bcs\uff08\u4e2d\u7a0b\u5ea6\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\uff09<\/td><td>\u30bf\u30a4\u30d71\uff1d\u76f4\u63a5\u6253\u6483\u3001\u30bf\u30a4\u30d72\uff1d\u9593\u63a5\u6253\u6483<\/td><\/tr><tr><td><strong>\u30a4\u30f3\u30d1\u30eb\u30b9\u96fb\u6d41 (Iimp)<\/strong><\/td><td>5\uff5e25kA \u8a66\u9a13\u6e08\u307f<\/td><td>\u4e00\u822c\u7684\u306b\u8a55\u4fa1\u3055\u308c\u3066\u3044\u306a\u3044<\/td><td>\u76f4\u63a5\u6253\u6483\u30be\u30fc\u30f3\u306b\u306f\u30bf\u30a4\u30d71\u304c\u5fc5\u9808<\/td><\/tr><tr><td><strong>\u6700\u5927\u653e\u96fb\u96fb\u6d41 (Imax)<\/strong><\/td><td>50-100 kA<\/td><td>20\uff5e60 kA<\/td><td>\u3069\u3061\u3089\u3082\u307b\u3068\u3093\u3069\u306e\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u308b<\/td><\/tr><tr><td><strong>\u6bd4\u30a8\u30cd\u30eb\u30ae\u30fc\uff08W\/R\uff09<\/strong><\/td><td>\u2265 2.5 kJ\/\u03a9<\/td><td>\u2265 56 J\/\u03a9<\/td><td>\u30bf\u30a4\u30d71\u306f40\u500d\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u6271\u3046<\/td><\/tr><tr><td><strong>\u8a2d\u7f6e\u5834\u6240<\/strong><\/td><td>\u30b5\u30fc\u30d3\u30b9\u30fb\u30a8\u30f3\u30c8\u30e9\u30f3\u30b9\u3001\u30e1\u30a4\u30f3\u30fb\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3<\/td><td>\u30b5\u30d6\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3001\u6a5f\u5668\u30ec\u30d9\u30eb<\/td><td>\u30bf\u30a4\u30d71\uff0b2\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u306b\u7d44\u307f\u5408\u308f\u305b\u53ef\u80fd<\/td><\/tr><tr><td><strong>\u4fdd\u8b77\u30ec\u30d9\u30eb<\/strong><\/td><td>\u4e2d\u7a0b\u5ea6\uff08\u6700\u5927 = 4-6 kV\uff09<\/td><td>\u3088\u308a\u826f\u3044 (Up = 2.5-4 kV)<\/td><td>\u30bf\u30a4\u30d72\u306f\u3088\u308a\u7d30\u304b\u3044\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3059\u308b<\/td><\/tr><tr><td><strong>PV\u306b\u304a\u3051\u308b\u4ee3\u8868\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong><\/td><td>\u5730\u4e0a\u30a2\u30ec\u30a4\u3001\u9732\u51fa\u3057\u305f\u5834\u6240<\/td><td>\u5c4b\u4e0a\u30b7\u30b9\u30c6\u30e0\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc<\/td><td>\u6700\u9069\u306a\u4fdd\u8b77\u306e\u305f\u3081\u306b\u3001\u4e21\u65b9\u3092\u30ab\u30b9\u30b1\u30fc\u30c9\u3067\u4f7f\u7528\u3059\u308b<\/td><\/tr><tr><td><strong>\u7269\u7406\u7684\u30b5\u30a4\u30ba<\/strong><\/td><td>\u3088\u308a\u5927\u304d\u3044\uff08\u3088\u308a\u9ad8\u3044\u30a8\u30cd\u30eb\u30ae\u30fc\u5bb9\u91cf\uff09<\/td><td>\u30b3\u30f3\u30d1\u30af\u30c8<\/td><td>\u30d1\u30cd\u30eb\u306e\u30b9\u30da\u30fc\u30b9\u8981\u4ef6\u3092\u8003\u616e\u3059\u308b<\/td><\/tr><tr><td><strong>\u30b3\u30b9\u30c8\uff08\u76f8\u5bfe\uff09<\/strong><\/td><td>$200-600\/\u88c5\u7f6e<\/td><td>$80-300\/\u88c5\u7f6e<\/td><td>\u9ad8\u30ea\u30b9\u30af\u5730\u57df\u306b\u304a\u3051\u308b\u7b2c1\u7a2e\u8cbb\u7528\u306e\u59a5\u5f53\u6027<\/td><\/tr><tr><td><strong>NEC\u6e96\u62e0\u306e\u305f\u3081\u306b\u5fc5\u8981<\/strong><\/td><td>\u76f4\u6483\u306b\u3055\u3089\u3055\u308c\u305f\u5834\u5408<\/td><td>\u307b\u3068\u3093\u3069\u306e\u8a2d\u5099\u3067\u6700\u4f4e\u9650\u5fc5\u8981<\/td><td>\u5730\u57df\u306e\u96f7\u5bc6\u5ea6\u30de\u30c3\u30d7\u3092\u78ba\u8a8d\u3059\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u30d2\u30f3\u30c8\uff1a\u6700\u9069\u306a\u4fdd\u8b77\u306e\u305f\u3081\u306b\u306f\u3001\u30a2\u30ec\u30a4\u306e\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dd\u30a4\u30f3\u30c8\u306b\u30bf\u30a4\u30d71+2\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30c7\u30d0\u30a4\u30b9\u3092\u4f7f\u7528\u3057\u3001\u30a4\u30f3\u30d0\u30fc\u30bf\u5165\u529b\u306b\u30bf\u30a4\u30d72\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u8abf\u6574\u3055\u308c\u305f\u30ab\u30b9\u30b1\u30fc\u30c9\u3067\u9ad8\u30a8\u30cd\u30eb\u30ae\u30fc\u51e6\u7406\u3068\u5fae\u7d30\u306a\u96fb\u5727\u30af\u30e9\u30f3\u30d4\u30f3\u30b0\u306e\u4e21\u65b9\u304c\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a8\u30c3\u30bb\u30f3\u30b7\u30e3\u30eb\u30fb\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u89e3\u8aad<\/h3>\n\n\n\n<p><strong>Uc\uff08\u6700\u5927\u9023\u7d9a\u52d5\u4f5c\u96fb\u5727\uff09<\/strong>: The highest voltage the SPD can withstand continuously without degradation. Must exceed your system&#8217;s maximum Voc under all conditions.<\/p>\n\n\n\n<p><strong>\u30a2\u30c3\u30d7\uff08\u96fb\u5727\u4fdd\u8b77\u30ec\u30d9\u30eb\uff09<\/strong>:SPD\u304c\u52d5\u4f5c\u3057\u305f\u3068\u304d\u306b\u4fdd\u8b77\u5bfe\u8c61\u6a5f\u5668\u306b\u73fe\u308c\u308b\u96fb\u5727\u3002\u4f4e\u3044\u307b\u3069\u826f\u3044\u304c\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u51e6\u7406\u80fd\u529b\u3068\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u5fc5\u8981\u3002.<\/p>\n\n\n\n<p><strong>\u3067\uff08\u516c\u79f0\u653e\u96fb\u96fb\u6d41\uff09<\/strong>:\u5206\u985e\u304a\u3088\u3073\u30a8\u30fc\u30b8\u30f3\u30b0\u8a66\u9a13\u306b\u4f7f\u7528\u3055\u308c\u308b\u96fb\u6d41\uff08\u30bf\u30a4\u30d7 2 \u6a5f\u5668\u3067\u306f\u901a\u5e38 5kA\u307e\u305f\u306f 10kA\uff09\u3002.<\/p>\n\n\n\n<p><strong>Imax\uff08\u6700\u5927\u653e\u96fb\u96fb\u6d41\uff09<\/strong>:\u30c7\u30d0\u30a4\u30b9\u304c\u640d\u50b7\u3059\u308b\u3053\u3068\u306a\u304f1\u56de\u306e\u64cd\u4f5c\u3067\u6271\u3048\u308b\u30b5\u30fc\u30b8\u96fb\u6d41\u306e\u6700\u5927\u5024\u3002.<\/p>\n\n\n\n<p><strong>Iimp\uff08\u30a4\u30f3\u30d1\u30eb\u30b9\u96fb\u6d41\uff09<\/strong>:\u30bf\u30a4\u30d7 1 \u6a5f\u5668\u306b\u3064\u3044\u3066\u306f\u300110\/350\u03bcs \u306e\u6ce2\u5f62\u3067\u9ad8\u30a8\u30cd\u30eb\u30ae\u30fc\u30b5\u30fc\u30b8\u96fb\u6d41\u80fd\u529b\u3092\u8a66\u9a13\u3002.<\/p>\n\n\n\n<p><strong>TOV\uff08\u4e00\u6642\u7684\u904e\u96fb\u5727\uff09\u80fd\u529b<\/strong>: The device&#8217;s ability to withstand temporary voltage increases due to system faults or switching operations without permanent damage.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<p>\u6700\u9ad8\u54c1\u8cea\u306e\u592a\u967d\u5149\u767a\u96fb\u30b9\u30c8\u30ea\u30f3\u30b0\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\u3067\u3042\u3063\u3066\u3082\u3001\u8a2d\u7f6e\u304c\u4e0d\u9069\u5207\u3067\u3042\u308c\u3070\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u4fdd\u8b77\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u3053\u306e\u5b9f\u8a3c\u6e08\u307f\u306e\u8a2d\u7f6e\u9806\u5e8f\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\uff1a<img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"2305\" class=\"wp-image-2268\" style=\"width: 750px;\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504798023-scaled.png\" alt=\"\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504798023-scaled.png 833w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504798023-98x300.png 98w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504798023-333x1024.png 333w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504798023-500x1536.png 500w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504798023-666x2048.png 666w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504798023-4x12.png 4w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504798023-300x923.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/mermaid-diagram-1765504798023-600x1845.png 600w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u91cd\u8981\u306a\u8a2d\u7f6e\u6761\u4ef6<\/h3>\n\n\n\n<p><strong>1.\u30b1\u30fc\u30d6\u30eb\u306e\u9577\u3055\u3068\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\uff080.5\u30e1\u30fc\u30c8\u30eb\u30eb\u30fc\u30eb\uff09<\/strong><\/p>\n\n\n\n<p>SPD\u3068\u4fdd\u8b77\u5bfe\u8c61\u6a5f\u5668\u306e\u63a5\u7d9a\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u30b1\u30fc\u30d6\u30eb\u304c1\u30e1\u30fc\u30c8\u30eb\u4f38\u3073\u308b\u3054\u3068\u306b\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\u304c\u5897\u52a0\u3057\u3001\u7acb\u3061\u4e0a\u304c\u308a\u306e\u65e9\u3044\u30b5\u30fc\u30b8\u6642\u306b\u8ffd\u52a0\u96fb\u5727\u304c\u767a\u751f\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<p><strong>\u96fb\u5727\u964d\u4e0b\u306e\u8a08\u7b97\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>V_additional = L \u00d7 (di\/dt)\n\u3053\u3053\u3067L \u2252 \u30b1\u30fc\u30d6\u30eb1m\u3042\u305f\u308a1\u03bcH\n       \u96f7\u306e di\/dt \u2252 10-100 kA\/\u03bcs<\/code><\/pre>\n\n\n\n<p><strong>\u4f8b<\/strong>&nbsp;Just 2 meters of connection cable can add 200V of additional voltage rise during a surge, partially negating your SPD&#8217;s protection!<\/p>\n\n\n\n<p><strong>\u8a2d\u7f6e\u898f\u5247\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SPD\u304b\u3089\u4fdd\u8b77\u3055\u308c\u305f\u6a5f\u5668\u307e\u3067\u306e\u30b1\u30fc\u30d6\u30eb\u306e\u7dcf\u9577\u30920.5\u30e1\u30fc\u30c8\u30eb\u672a\u6e80\u306b\u4fdd\u3064\uff08\u7406\u60f3\uff1a0.3\u30e1\u30fc\u30c8\u30eb\u672a\u6e80\uff09<\/li>\n\n\n\n<li>\u30eb\u30fc\u30d7\u3084\u30b3\u30a4\u30eb\u3092\u907f\u3051\u3001\u3067\u304d\u308b\u3060\u3051\u77ed\u3044\u76f4\u7dda\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u3084\u3080\u3092\u5f97\u305a\u5ef6\u9577\u3059\u308b\u5834\u5408\u306f\u3001\u3088\u308a\u592a\u3044\u5c0e\u4f53\uff08\u6700\u5c0f6 AWG \/ 10 mm\u00b2\uff09\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>SPD\u30b1\u30fc\u30d6\u30eb\u3092\u4fe1\u53f7\u7dda\u3084\u901a\u4fe1\u7dda\u3068\u7d76\u5bfe\u306b\u675f\u306d\u306a\u3044\u3053\u3068<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30d7\u30ed\u304b\u3089\u306e\u30a2\u30c9\u30d0\u30a4\u30b9\uff1a\u8a2d\u7f6e\u524d\u306b\u63a5\u7d9a\u30b1\u30fc\u30d6\u30eb\u3092\u4e8b\u524d\u306b\u6e2c\u5b9a\u3057\u3001\u6b63\u78ba\u306a\u9577\u3055\u306b\u30ab\u30c3\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u8a2d\u7f6e\u7528\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b0.5\u30e1\u30fc\u30c8\u30eb\u306e\u5236\u9650\u3092\u30de\u30fc\u30af\u3057\u3066\u304a\u304f\u3068\u3001\u73fe\u5834\u3067\u306e\u8a2d\u7f6e\u6642\u306b\u78ba\u5b9f\u306b\u9075\u5b88\u3067\u304d\u307e\u3059\u3002.<\/strong><\/p>\n\n\n\n<p><strong>2.\u63a5\u5730\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong><\/p>\n\n\n\n<p>\u9069\u5207\u306a\u63a5\u5730\u306f\u3001\u52b9\u679c\u7684\u306a\u30b5\u30fc\u30b8\u4fdd\u8b77\u306e\u57fa\u790e\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b0\u30e9\u30a6\u30f3\u30c9\u63a5\u7d9a<\/strong>:\u30e1\u30a4\u30f3PV\u30b7\u30b9\u30c6\u30e0\u306e\u30a2\u30fc\u30b9\u306b\u306f\u6700\u4f4e6AWG\uff0810 mm\u00b2\uff09\u306e\u9285\u5c0e\u7dda\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u4f4e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u30fb\u30d1\u30b9<\/strong>:\u63a5\u5730\u62b5\u6297\u306e\u5408\u8a08\u306f10\u03a9\u4ee5\u4e0b\uff08\u7406\u60f3\u7684\u306b\u306f5\u03a9\u4ee5\u4e0b\uff09\u3068\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u30b0\u30e9\u30a6\u30f3\u30c9\u30fb\u30eb\u30fc\u30d7\u3092\u907f\u3051\u308b<\/strong>:SPD\u306e\u30a2\u30fc\u30b9\u3092\u4fdd\u8b77\u3059\u308b\u6a5f\u5668\u3068\u540c\u3058\u30a2\u30fc\u30b9\u30d0\u30fc\u306b\u63a5\u7d9a\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u7b49\u96fb\u4f4d\u30dc\u30f3\u30c7\u30a3\u30f3\u30b0<\/strong>:\u3059\u3079\u3066\u306e\u91d1\u5c5e\u69cb\u9020\u7269\uff08\u30a2\u30ec\u30a4\u30d5\u30ec\u30fc\u30e0\u3001\u6a5f\u5668\u30b7\u30e3\u30fc\u30b7\u3001SPD\u30cf\u30a6\u30b8\u30f3\u30b0\uff09\u304c\u63a5\u5408\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u4e2d\u9593\u70b9\u63a5\u5730\u306ePV\u30b7\u30b9\u30c6\u30e0\u7528\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DC+ \u3068 DC- SPD \u306e\u4e21\u6975\u3092\u63a5\u7d9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>PE\u7aef\u5b50\u3092\u4e2d\u70b9\u30b0\u30e9\u30f3\u30c9\u57fa\u6e96\u306b\u63a5\u7d9a\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u63a5\u5730\u304c\u304a\u4f4f\u307e\u3044\u306e\u5730\u57df\u306e\u96fb\u6c17\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>3.\u7269\u7406\u7684\u306a\u8a2d\u7f6e\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805<\/strong><\/p>\n\n\n\n<p>\u5834\u6240\u3068\u53d6\u308a\u4ed8\u3051\u306f\u3001\u4fdd\u8b77\u52b9\u679c\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u4e21\u65b9\u306b\u5f71\u97ff\u3059\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u53d6\u308a\u4ed8\u3051<\/strong>:\u4ea4\u63db\u304c\u5bb9\u6613\u306aDIN\u30ec\u30fc\u30eb\u30de\u30a6\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3001\u78ba\u5b9f\u306a\u6a5f\u68b0\u7684\u63a5\u7d9a\u3092\u78ba\u4fdd<\/li>\n\n\n\n<li><strong>\u63db\u6c17<\/strong>:\u5341\u5206\u306a\u30a8\u30a2\u30d5\u30ed\u30fc\u3092\u78ba\u4fdd\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3<\/strong>:\u8996\u899a\u7684\u306a\u30b9\u30c6\u30fc\u30bf\u30b9\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u3092\u70b9\u691c\u3057\u3084\u3059\u3044\u5834\u6240\u306b\u8a2d\u7f6e\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u74b0\u5883\u4fdd\u8b77<\/strong>:\u5c4b\u5916\u8a2d\u7f6e\u306b\u306f\u9069\u5207\u306a IP \u5b9a\u683c\u306e\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u6700\u4f4e IP65\uff09\u3002<\/li>\n\n\n\n<li><strong>\u30e9\u30d9\u30ea\u30f3\u30b0<\/strong>:SPD\u306e\u8a2d\u7f6e\u5834\u6240\u3001\u8a2d\u7f6e\u65e5\u3001\u6b21\u56de\u306e\u691c\u67fb\u671f\u9650\u3092\u660e\u78ba\u306b\u8868\u793a\u3059\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>4.\u63a5\u7d9a\u30b7\u30fc\u30b1\u30f3\u30b9<\/strong><\/p>\n\n\n\n<p>\u5730\u7d61\u3084\u6a5f\u5668\u306e\u640d\u50b7\u3092\u907f\u3051\u308b\u305f\u3081\u3001\u5e38\u306b\u9069\u5207\u306a\u63a5\u7d9a\u9806\u5e8f\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b7\u30b9\u30c6\u30e0\u304c\u975e\u901a\u96fb\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\uff08Voc = 0V \u3092\u78ba\u8a8d\u3059\u308b\uff09<\/li>\n\n\n\n<li>SPD\u3092\u6700\u7d42\u4f4d\u7f6e\u306b\u53d6\u308a\u4ed8\u3051\u308b<\/li>\n\n\n\n<li>\u30a2\u30fc\u30b9\/PE\u7aef\u5b50\u3092\u6700\u521d\u306b\u63a5\u7d9a\u3059\u308b<\/li>\n\n\n\n<li>DC\u6975\u3092\u63a5\u7d9a\u3059\u308b<\/li>\n\n\n\n<li>DC+\u6975\u3092\u6700\u5f8c\u306b\u63a5\u7d9a\u3059\u308b<\/li>\n\n\n\n<li>\u3059\u3079\u3066\u306e\u63a5\u7d9a\u304c\u7de0\u307e\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\uff08\u30e1\u30fc\u30ab\u30fc\u4ed5\u69d8\u306e\u30c8\u30eb\u30af\uff09\u3002<\/li>\n\n\n\n<li>\u30b7\u30b9\u30c6\u30e0\u306b\u901a\u96fb\u3059\u308b\u524d\u306b\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p><strong>\u30d7\u30ed\u30a2\u30c9\u30d0\u30a4\u30b9\uff1aPV\u30b9\u30c8\u30ea\u30f3\u30b0\u3068SPD\u306e\u9593\u306b\u30c7\u30a3\u30b9\u30b3\u30cd\u30af\u30c8\u30b9\u30a4\u30c3\u30c1\u3092\u53d6\u308a\u4ed8\u3051\u308c\u3070\u3001\u30a2\u30ec\u30a4\u5168\u4f53\u3092\u975e\u901a\u96fb\u306b\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u5b89\u5168\u306b\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3084\u4ea4\u63db\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u306b\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308b\u5927\u898f\u6a21\u306a\u5546\u7528\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u7279\u306b\u6709\u52b9\u3067\u3059\u3002.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u4e16\u754c\u3067\u306e\u5fdc\u7528\u4f8b\uff1a10\u30b9\u30c8\u30ea\u30f3\u30b0\u30011000V\u30b7\u30b9\u30c6\u30e0\u306eSPD\u30b5\u30a4\u30b8\u30f3\u30b0<\/h2>\n\n\n\n<p>Let&#8217;s work through a complete design example to demonstrate proper pv string surge protection selection for a typical commercial installation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b7\u30b9\u30c6\u30e0\u4ed5\u69d8<\/h3>\n\n\n\n<p><strong>\u30a2\u30ec\u30a4\u306e\u69cb\u6210\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>10\u30d1\u30e9\u30ec\u30eb\u30fb\u30b9\u30c8\u30ea\u30f3\u30b0<\/li>\n\n\n\n<li>20\u30e2\u30b8\u30e5\u30fc\u30eb\/\u30b9\u30c8\u30ea\u30f3\u30b0<\/li>\n\n\n\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4ed5\u69d8\uff1a\n<ul class=\"wp-block-list\">\n<li>Voc (STC)\uff1a49.5V<\/li>\n\n\n\n<li>Isc\uff08STC\uff09\uff1a11.5A<\/li>\n\n\n\n<li>Vmp\uff1a41.8V<\/li>\n\n\n\n<li>\u30a4\u30f3\u30d7\uff1a11.0A<\/li>\n\n\n\n<li>\u6e29\u5ea6\u4fc2\u6570 (Voc)\uff1a-0.35%\/\u00b0C<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>\u74b0\u5883\u6761\u4ef6\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5834\u6240\u30a2\u30ea\u30be\u30ca\u5dde\uff08\u65e5\u5c04\u91cf\u304c\u591a\u304f\u3001\u96f7\u304c\u591a\u3044\uff09<\/li>\n\n\n\n<li>\u4e88\u60f3\u6700\u4f4e\u6c17\u6e29\uff1a-5<\/li>\n\n\n\n<li>\u8a2d\u7f6e\u5546\u696d\u30d3\u30eb\u5c4b\u4e0a<\/li>\n\n\n\n<li>\u88ab\u3070\u304f\uff1a\u9593\u63a5\u7684\u306a\u843d\u96f7\u304c\u4e88\u60f3\u3055\u308c\u308b<\/li>\n<\/ul>\n\n\n\n<p><strong>\u8a2d\u5099<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b9\u30c8\u30ea\u30f3\u30b0\u30fb\u30a4\u30f3\u30d0\u30fc\u30bf\uff1a100kW\u30011000V DC\u5165\u529b\u5b9a\u683c<\/li>\n\n\n\n<li>\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u8010\u96fb\u5727: 6 kV<\/li>\n\n\n\n<li>\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30fb\u30dc\u30c3\u30af\u30b9\u3001\u5165\u529b\u30b9\u30c8\u30ea\u30f3\u30b010\u672c<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b9\u30c6\u30c3\u30d7\u30fb\u30d0\u30a4\u30fb\u30b9\u30c6\u30c3\u30d7 <a href=\"https:\/\/cnkuangya.com\/ja\/ac-spd\/\">SPD<\/a> \u30bb\u30ec\u30af\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<p><strong>\u30b9\u30c6\u30c3\u30d71\uff1a\u6700\u5927\u30b7\u30b9\u30c6\u30e0\u96fb\u5727\u306e\u8a08\u7b97<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1\u30b9\u30c8\u30ea\u30f3\u30b0\u3042\u305f\u308a\u306e\u96fb\u5727\uff08STC\uff09\uff1d49.5V\u00d720\uff1d990V\n\n\u6e29\u5ea6\u88dc\u6b63\n\u03b4T = 25\u00b0C - (-5\u00b0C) = 30\u00b0C\n\u96fb\u5727\u4e0a\u6607\uff1d990V\u00d7\uff0830\u2103\u00d70.0035\uff09\uff1d104V\n\u96fb\u5727\uff08\u30b3\u30fc\u30eb\u30c9\uff09 = 990V + 104V = 1,094V\n\n20%\u306e\u5b89\u5168\u30de\u30fc\u30b8\u30f3\u3092\u8003\u616e\u3057\u305f\u5fc5\u8981Uc\uff1a\nUc(min) = 1,094V \u00d7 1.20 = 1,313V<\/code><\/pre>\n\n\n\n<p><strong>\u9078\u629eUc = 1,500V DC\uff08\u6a19\u6e96\u5b9a\u683c\uff09\u306eSPD<\/strong><\/p>\n\n\n\n<p><strong>\u30b9\u30c6\u30c3\u30d72\uff1a\u5fc5\u8981\u306a\u96fb\u5727\u4fdd\u8b77\u30ec\u30d9\u30eb\u306e\u6c7a\u5b9a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u30a4\u30f3\u30d0\u30fc\u30bf\u8010\u96fb\u5727 = 6 kV\n\u6700\u5927\u8a31\u5bb9\u30a2\u30c3\u30d7 = 6 kV \u00d7 0.8 = 4.8 kV<\/code><\/pre>\n\n\n\n<p><strong>\u9078\u629e\uff1a\u6700\u59274.0kV\u307e\u3067\u306eSPD\uff0833%\u306e\u5b89\u5168\u30de\u30fc\u30b8\u30f3\u3092\u63d0\u4f9b\uff09<\/strong><\/p>\n\n\n\n<p><strong>\u30b9\u30c6\u30c3\u30d7 3: \u5b9a\u683c\u653e\u96fb\u96fb\u6d41\u306e\u9078\u629e<\/strong><\/p>\n\n\n\n<p>\u4e2d\u7a0b\u5ea6\u306e\u96f7\u5730\u57df\u306e\u5c4b\u4e0a\u8a2d\u7f6e\u7528\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e3b\u306a\u8105\u5a01\uff1a\u9593\u63a5\u653b\u6483<\/li>\n\n\n\n<li>\u63a8\u5968\u30bf\u30a4\u30d72 SPD<\/li>\n\n\n\n<li>\u6700\u5c0fImax: 1\u6975\u3042\u305f\u308a40 kA (8\/20 \u03bcs)<\/li>\n<\/ul>\n\n\n\n<p>\u4fdd\u8b77\u5f37\u5316\u306e\u305f\u3081\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\u3060\u304c\u63a8\u5968\uff09\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30bf\u30a4\u30d71\uff0b2\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u3092\u8003\u3048\u308b<\/li>\n\n\n\n<li>Iimp: 12.5 kA (10\/350 \u03bcs)<\/li>\n\n\n\n<li>\u6700\u5927\u96fb\u6d41\uff1a60 kA\uff088\/20 \u03bcs\uff09<\/li>\n<\/ul>\n\n\n\n<p><strong>\u9078\u629e\uff1a\u6975\u3042\u305f\u308aImax = 40 kA\uff08\u6700\u5c0f\uff09\u306e\u30bf\u30a4\u30d72 SPD\u3001\u307e\u305f\u306f\u91cd\u8981\u306a\u8ca0\u8377\u7528\u306e\u30bf\u30a4\u30d71+2\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9<\/strong><\/p>\n\n\n\n<p><strong>\u30b9\u30c6\u30c3\u30d74\uff1a\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u9078\u629e<\/strong><\/p>\n\n\n\n<p>\u3053\u306e\u5546\u696d\u7528\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u305f\u3081\u306b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e88\u60f3\u3055\u308c\u308b\u30b5\u30fc\u30b8\u306e\u983b\u5ea6\u4e2d\u7a0b\u5ea6\uff08\u5e74\u959310-20\u56de\uff09<\/li>\n\n\n\n<li>\u30b7\u30b9\u30c6\u30e0\u4fa1\u5024\uff1a$150,000\uff08\u8a2d\u5099\uff0b\u640d\u5931\u751f\u7523\u30ea\u30b9\u30af\uff09<\/li>\n\n\n\n<li>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u826f\u597d<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30bb\u30ec\u30af\u30b7\u30e7\u30f3\u6027\u80fd\u3068\u5bff\u547d\u306e\u6700\u9069\u306a\u30d0\u30e9\u30f3\u30b9\u3092\u5b9f\u73fe\u3059\u308b\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9MOV+GDT\u6280\u8853<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u30fb\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u30fc\u306e\u8a2d\u8a08<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\u30b0\u30e9\u30d5TB\n    \u90e8\u5206\u30b0\u30e9\u30d5 &quot;PV\u30a2\u30ec\u30a4 - 10\u30b9\u30c8\u30ea\u30f3\u30b0&quot;\n        S1[\u6587\u5b57\u52171\uff1a20\u30e2\u30b8\u30e5\u30fc\u30eb\uff3d\n        S2[\u6587\u5b57\u52172\uff1a20\u30e2\u30b8\u30e5\u30fc\u30eb\uff3d\n        S3[\u6587\u5b57\u52173\uff1a20\u30e2\u30b8\u30e5\u30fc\u30eb\uff3d\n        S10[\u6587\u5b57\u521710\uff1a20\u30e2\u30b8\u30e5\u30fc\u30eb\uff3d\n    \u7d42\u4e86\n    \n    S1 --&amp;gt; SPD1[\u6587\u5b57\u5217\u30ec\u30d9\u30ebSPD&lt;br&gt;\u30bf\u30a4\u30d72\u3001Uc=1500V&lt;br&gt;Up=4kV\u3001Imax=40kA]\u306e\u5834\u5408\n    S2&rarr;SPD2[\u30b9\u30c8\u30ea\u30f3\u30b0\u30ec\u30d9\u30ebSPD\uff3d\n    S3 --&amp;gt; SPD3[\u6587\u5b57\u5217\u30ec\u30d9\u30ebSPD\uff3d\n    S10 --&amp;gt; SPD10[\u6587\u5b57\u5217\u30ec\u30d9\u30ebSPD\uff3d\n    \n    SPD1 --&amp;gt; CB[\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\uff3d\n    SPD2 --&amp;gt; CB\n    SPD3 --&amp;gt; CB\n    SPD10 --&amp;gt; CB\n    \n    CB --&amp;gt; SPD_CB[\u30b3\u30f3\u30d0\u30a4\u30ca\u30fcSPD&lt;br&gt;\u30bf\u30a4\u30d72\u3001Uc=1500V&lt;br&gt;Up=3.5kV\u3001Imax=60kA]\u3002\n    \n    SPD_CB --&amp;gt; 10m\u30b1\u30fc\u30d6\u30eb| INV[\u30b9\u30c8\u30ea\u30f3\u30b0\u30a4\u30f3\u30d0\u30fc\u30bf&lt;br&gt;100kW\u30011000VDC\uff3d\u3002\n    \n    INV&rarr;SPD_INV[\u30a4\u30f3\u30d0\u30fc\u30bf\u5165\u529bSPD&lt;br&gt;\u30bf\u30a4\u30d72\u3001Uc=1500V&lt;br&gt;Up=3.0kV\u3001Imax=40kA\uff3d\u3002\n    \n    SPD1 -.-&amp;gt;|\u30b0\u30e9\u30f3\u30c9| GND[\u30b7\u30b9\u30c6\u30e0\u30b0\u30e9\u30f3\u30c9&lt;br&gt;&amp;lt; 5&Omega;\u62b5\u6297\uff3d\n    SPD_CB|\u30b0\u30e9\u30f3\u30c9\uff5cGND\n    SPD_INV -.-&amp;gt;|\u30b0\u30e9\u30f3\u30c9| GND\n    \n    \u30b9\u30bf\u30a4\u30ebSPD1 fill:#90EE90\n    \u30b9\u30bf\u30a4\u30ebSPD2 fill:#90EE90\n    \u30b9\u30bf\u30a4\u30ebSPD3 fill:#90EE90\n    \u30b9\u30bf\u30a4\u30ebSPD10 fill:#90EE90\n    \u30b9\u30bf\u30a4\u30ebSPD_CB\u30d5\u30a3\u30eb\uff1a#87CEEB\n    \u30b9\u30bf\u30a4\u30ebSPD_INV\u30d5\u30a3\u30eb\uff1a#FFD700<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u7d42\u4ed5\u69d8\u306e\u6982\u8981<\/h3>\n\n\n\n<p><strong>\u30b9\u30c8\u30ea\u30f3\u30b0\u30ec\u30d9\u30eb\u306e\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\uff0810\u30e6\u30cb\u30c3\u30c8\uff09\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\uff1a\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9MOV+GDT<\/li>\n\n\n\n<li>\u69cb\u6210\uff1a2\u6975\uff08DC+\u3001DC-)<\/li>\n\n\n\n<li>Uc: 1,500V DC<\/li>\n\n\n\n<li>\u30a2\u30c3\u30d7: \u2264 4.0 kV<\/li>\n\n\n\n<li>\u6700\u5927\u96fb\u6d41\uff1a40kA\uff088\/20\u03bcs\uff09\/\u6975<\/li>\n\n\n\n<li>\u53d6\u308a\u4ed8\u3051\u30a2\u30ec\u30a4\u8fd1\u304f\u306e\u30b8\u30e3\u30f3\u30af\u30b7\u30e7\u30f3\u30dc\u30c3\u30af\u30b9\u306bDIN\u30ec\u30fc\u30eb<\/li>\n\n\n\n<li>\u898b\u7a4d\u3082\u308a\u5358\u4fa1$180<\/li>\n\n\n\n<li>\u7dcf\u984d\uff1a$1,800\u30c9\u30eb<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30fb\u30dc\u30c3\u30af\u30b9\u306e\u4fdd\u8b77\uff081\u30e6\u30cb\u30c3\u30c8\uff09\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\uff1a\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9MOV+GDT \u30bf\u30a4\u30d71+2<\/li>\n\n\n\n<li>\u69cb\u6210\uff1a2\u6975\uff08DC+\u3001DC-)<\/li>\n\n\n\n<li>Uc: 1,500V DC<\/li>\n\n\n\n<li>\u30a2\u30c3\u30d7: \u2264 3.5 kV<\/li>\n\n\n\n<li>Iimp: 12.5 kA (10\/350 \u03bcs)<\/li>\n\n\n\n<li>\u6700\u5927\u96fb\u6d41\uff1a60 kA\uff088\/20 \u03bcs\uff09<\/li>\n\n\n\n<li>\u9060\u9694\u76e3\u8996\u30b9\u30c6\u30fc\u30bf\u30b9\u7528\u63a5\u70b9\u51fa\u529b<\/li>\n\n\n\n<li>\u898b\u7a4d\u3082\u308a\u4fa1\u683c\uff1a $450<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30a4\u30f3\u30d0\u30fc\u30bf\u5165\u529b\u4fdd\u8b77\uff081\u30e6\u30cb\u30c3\u30c8\uff09\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\uff1a\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9MOV+GDT<\/li>\n\n\n\n<li>\u69cb\u6210\uff1a2\u6975\uff08DC+\u3001DC-)<\/li>\n\n\n\n<li>Uc: 1,500V DC<\/li>\n\n\n\n<li>\u30a2\u30c3\u30d7: \u2264 3.0 kV<\/li>\n\n\n\n<li>\u6700\u5927\u96fb\u6d41\uff1a40 kA\uff088\/20 \u03bcs\uff09<\/li>\n\n\n\n<li>\u4e88\u5b9a\u4fa1\u683c\uff1a$220<\/li>\n<\/ul>\n\n\n\n<p><strong>\u4fdd\u8b77\u30b7\u30b9\u30c6\u30e0\u8cbb\u7528\u5408\u8a08\uff1a$2,470<\/strong><\/p>\n\n\n\n<p><strong>\u30ad\u30fc\u30dd\u30a4\u30f3\u30c8\u3053\u306e\u5305\u62ec\u7684\u306a3\u6bb5\u968e\u306e\u4fdd\u8b77\u30ab\u30b9\u30b1\u30fc\u30c9\u306e\u30b3\u30b9\u30c8\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u7dcf\u984d\u306e1.5%\u672a\u6e80\u3067\u3059\u304c\u3001$47,000\u4ee5\u4e0a\u306e\u640d\u5bb3\u304b\u3089\u4fdd\u8b77\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002ROI\u306e\u8a08\u7b97\u306f\u7c21\u5358\u3067\u3059\u30021\u56de\u306e\u30b5\u30fc\u30b8\u767a\u751f\u9632\u6b62\u3067\u3001\u4fdd\u8b77\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e19\u500d\u3092\u652f\u6255\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u3092\u6301\u305f\u306a\u3044\u3053\u3068\u306e\u4ee3\u511f<\/h2>\n\n\n\n<p>\u592a\u967d\u5149\u767a\u96fb\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u30b5\u30fc\u30b8\u4fdd\u8b77\u3092\u6307\u5b9a\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u8a55\u4fa1\u3059\u308b\u969b\u306b\u306f\u3001\u6307\u5b9a\u3057\u306a\u3044\u5834\u5408\u306e\u771f\u306e\u30b3\u30b9\u30c8\u3092\u8003\u616e\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u76f4\u63a5\u30b3\u30b9\u30c8\u6bd4\u8f03<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u30b3\u30b9\u30c8\u30fb\u30ab\u30c6\u30b4\u30ea\u30fc<\/th><th>\u9069\u5207\u306aSPD\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3<\/th><th>SPD\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u306a\u3057<\/th><th>\u9055\u3044<\/th><\/tr><tr><td><strong>\u521d\u671f\u6295\u8cc7<\/strong><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>SPD\u30a4\u30af\u30a4\u30c3\u30d7\u30e1\u30f3\u30c8<\/td><td>$2,470<\/td><td>$0<\/td><td>+$2,470<\/td><\/tr><tr><td>\u8a2d\u7f6e\u4f5c\u696d<\/td><td>$800<\/td><td>$0<\/td><td>+$800<\/td><\/tr><tr><td><strong>\u30a4\u30cb\u30b7\u30e3\u30eb\u30b3\u30b9\u30c8<\/strong><\/td><td><strong>$3,270<\/strong><\/td><td><strong>$0<\/strong><\/td><td><strong>+$3,270<\/strong><\/td><\/tr><tr><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><strong>\u3042\u308b\u30b5\u30fc\u30b8\u30fb\u30a4\u30d9\u30f3\u30c8\u306e\u5f8c<\/strong><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u4fee\u7406\/\u4ea4\u63db<\/td><td>$0<\/td><td>$12,000<\/td><td>-$12,000<\/td><\/tr><tr><td>\u30e2\u30b8\u30e5\u30fc\u30eb\u4ea4\u63db\uff084\u30e2\u30b8\u30e5\u30fc\u30eb\uff09<\/td><td>$0<\/td><td>$2,800<\/td><td>-$2,800<\/td><\/tr><tr><td>\u7dca\u6025\u30b5\u30fc\u30d3\u30b9\u30b3\u30fc\u30eb<\/td><td>$0<\/td><td>$1,500<\/td><td>-$1,500<\/td><\/tr><tr><td>3\u9031\u9593\u306e\u751f\u7523\u640d\u5931<\/td><td>$0<\/td><td>$4,200<\/td><td>-$4,200<\/td><\/tr><tr><td>\u691c\u67fb\u3068\u30c6\u30b9\u30c8<\/td><td>$0<\/td><td>$800<\/td><td>-$800<\/td><\/tr><tr><td>\u76e3\u8996\u30b7\u30b9\u30c6\u30e0\u306e\u4fee\u7406<\/td><td>$0<\/td><td>$1,200<\/td><td>-$1,200<\/td><\/tr><tr><td><strong>\u30b5\u30fc\u30b8\u30fb\u30a4\u30d9\u30f3\u30c8\u8cbb\u7528\u5408\u8a08<\/strong><\/td><td><strong>$0<\/strong><\/td><td><strong>$22,500<\/strong><\/td><td><strong>-$22,500<\/strong><\/td><\/tr><tr><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td><strong>10\u5e74\u9593\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30b3\u30b9\u30c8<\/strong><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>SPD\u30ea\u30d7\u30ec\u30fc\u30b9\uff086\u5e74\u76ee\uff09<\/td><td>$1,500<\/td><td>$0<\/td><td>+$1,500<\/td><\/tr><tr><td>\u4e88\u60f3\u3055\u308c\u308b\u30b5\u30fc\u30b8\u30a4\u30d9\u30f3\u30c8\uff082-3\uff09<\/td><td>$0<\/td><td>$45,000-67,500<\/td><td>-$45,000<\/td><\/tr><tr><td>\u4fdd\u8a3c\u7bc4\u56f2<\/td><td>\u7dad\u6301<\/td><td>\u7121\u52b9\u306e\u53ef\u80fd\u6027<\/td><td>\u30ea\u30b9\u30af\u5024\uff1a-$35,000<\/td><\/tr><tr><td>\u4fdd\u967a\u6599\u3078\u306e\u5f71\u97ff<\/td><td>\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9<\/td><td>\u3088\u308a\u9ad8\u3044\u53ef\u80fd\u6027<\/td><td>-$2,000<\/td><\/tr><tr><td><strong>10\u5e74\u9593\u306e\u7dcf\u30b3\u30b9\u30c8<\/strong><\/td><td><strong>$4,770<\/strong><\/td><td><strong>$82,000-104,500<\/strong><\/td><td><strong>-$77,230<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">ROI\u5206\u6790<\/h3>\n\n\n\n<p><strong>\u640d\u76ca\u5206\u5c90\u70b9\u306e\u8a08\u7b97\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SPD\u306e\u521d\u671f\u6295\u8cc7$3,270\n\u5e73\u5747\u30b5\u30fc\u30b8\u88ab\u5bb3\u30b3\u30b9\u30c8\uff1a$22,500\n\u640d\u76ca\u5206\u5c90\u70b9\uff1a0.145\u30b5\u30fc\u30b8\u30a4\u30d9\u30f3\u30c8\n\n\u5730\u57df\u304c7\u5e74\u306b1\u56de\u3060\u3051\u91cd\u5927\u306a\u30b5\u30fc\u30b8\u30a4\u30d9\u30f3\u30c8\u3092\u7d4c\u9a13\u3059\u308b\u5834\u5408\u3001\nSPD\u30b7\u30b9\u30c6\u30e0\u306f\u5143\u304c\u53d6\u308c\u307e\u3059\u3002\n\nIEEE\u306e\u30c7\u30fc\u30bf\u306b\u3088\u308b\u3068\u3001\u307b\u3068\u3093\u3069\u306e\u5546\u696d\u7528\u592a\u967d\u5149\u767a\u96fb\u8a2d\u5099\u306f\u3001\u4fdd\u8b77\u306a\u3057\u306725\u5e74\u9593\u306e\u5bff\u547d\u306e\u9593\u306b2-4\u56de\u306e\u6709\u5bb3\u306a\u30b5\u30fc\u30b8\u30a4\u30d9\u30f3\u30c8\u3092\u7d4c\u9a13\u3059\u308b\u3002\n2-4\u56de\u306e\u6709\u5bb3\u306a\u30b5\u30fc\u30b8\u304c\u767a\u751f\u3057\u307e\u3059\u3002.<\/code><\/pre>\n\n\n\n<p><strong>25\u5e74\u9593\u306e\u4e88\u60f3ROI\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521d\u671f\u6295\u8cc7$3,270<\/li>\n\n\n\n<li>SPD\u306e\u4ea4\u63db\uff0810\u5e74\u76ee\u300120\u5e74\u76ee\uff09\uff1a $3,000<\/li>\n\n\n\n<li>\u6295\u8cc7\u7dcf\u984d$6,270<\/li>\n\n\n\n<li>3\u30a4\u30d9\u30f3\u30c8\u00d7$22,500\uff09\uff1a$67,500<\/li>\n\n\n\n<li><strong>\u7d14\u7bc0\u7d04\uff1a$61,230<\/strong><\/li>\n\n\n\n<li><strong>ROI977%<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>Pro-Tip: When presenting surge protection to budget-conscious clients, frame it this way: &#8216;We can either invest $3,000 today for protection, or budget $20,000-50,000 for repairs later. The protection system is not an expense\u2014it&#8217;s damage insurance with a 1000% ROI.&#8217;<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fdd\u967a\u3068\u4fdd\u8a3c<\/h3>\n\n\n\n<p><strong>\u4fdd\u8a3c\u7bc4\u56f2\uff1a<\/strong><br>\u307b\u3068\u3093\u3069\u306e\u4e3b\u8981\u30e1\u30fc\u30ab\u30fc\u306f\u3001\u4fdd\u8a3c\u306b\u30b5\u30fc\u30b8\u4fdd\u8b77\u306e\u8981\u4ef6\u3092\u76db\u308a\u8fbc\u3093\u3067\u3044\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SPD\u306a\u3057<\/strong>:\u30b5\u30fc\u30b8\u306b\u3088\u308b\u640d\u50b7\u304c\u767a\u751f\u3057\u3001\u4fdd\u8b77\u88c5\u7f6e\u304c\u53d6\u308a\u4ed8\u3051\u3089\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u4fdd\u8a3c\u8acb\u6c42\u306f\u62d2\u5426\u3055\u308c\u308b<\/li>\n\n\n\n<li><strong>SPD\u3042\u308a<\/strong>:SPD\u306e\u4ea4\u63db\u8cbb\u7528\u3092\u30e1\u30fc\u30ab\u30fc\u304c\u8ca0\u62c5\u3059\u308b\u3053\u3068\u3082\u3042\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u4fdd\u967a\u6599\uff1a<\/strong><br>\u6c11\u9593\u306e\u4fdd\u967a\u4f1a\u793e\u306f\u3001\u30b5\u30fc\u30b8\u4fdd\u8b77\u306e\u6587\u66f8\u5316\u3092\u6c42\u3081\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5341\u5206\u306a\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u306e\u306a\u3044\u30b7\u30b9\u30c6\u30e015-25%\u3088\u308a\u9ad8\u3044\u4fdd\u967a\u6599<\/li>\n\n\n\n<li>\u6587\u66f8\u5316\u3055\u308c\u305f\u3001\u6cd5\u4ee4\u306b\u6e96\u62e0\u3057\u305f\u4fdd\u8b77\u3092\u5099\u3048\u305f\u30b7\u30b9\u30c6\u30e0\uff1a\u6a19\u6e96\u6599\u91d1<\/li>\n\n\n\n<li>$10\u4e07\u30b7\u30b9\u30c6\u30e0\u306e\u5e74\u9593\u7bc0\u7d04\u984d\uff1a$300-500<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u306e\u30ea\u30b9\u30af\uff1a<\/strong><br>\u91cd\u8981\u65bd\u8a2d\uff08\u75c5\u9662\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3001\u88fd\u9020\u696d\uff09\u307e\u305f\u306f\u96fb\u529b\u8cfc\u5165\u5951\u7d04\uff08PPA\uff09\u4e0b\u306e\u30b7\u30b9\u30c6\u30e0\u7528\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PPA\u306e\u9055\u7d04\u91d1\u30c0\u30a6\u30f3\u30bf\u30a4\u30e01\u9031\u9593\u306b\u3064\u304d$5,000\uff5e15,000\u30c9\u30eb<\/li>\n\n\n\n<li>\u91cd\u5927\u306a\u8ca0\u8377\u306e\u5f71\u97ff\uff1a\u64cd\u696d\u3078\u306e\u8a08\u308a\u77e5\u308c\u306a\u3044\u30ea\u30b9\u30af<\/li>\n\n\n\n<li>\u8a55\u5224\u306e\u4f4e\u4e0b\uff1a\u9867\u5ba2\u306e\u4fe1\u983c\u3092\u5931\u3046<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u8981\u70b9<\/h2>\n\n\n\n<p><strong>\u26a1 Lightning doesn&#8217;t have to strike your array directly to cause damage.<\/strong>&nbsp;\u6700\u59272km\u96e2\u308c\u305f\u9593\u63a5\u7684\u306a\u30b9\u30c8\u30e9\u30a4\u30ad\u306f\u3001\u7121\u9632\u5099\u306aPV\u30b9\u30c8\u30ea\u30f3\u30b0\u306b6,000V\u3092\u8d85\u3048\u308b\u30b5\u30fc\u30b8\u3092\u8a98\u767a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30b9\u30c8\u30ea\u30f3\u30b0\u30ec\u30d9\u30eb\u306e\u4fdd\u8b77\u304c\u7b2c\u4e00\u306e\u9632\u5fa1\u7dda\u3067\u3059\u3002.<\/p>\n\n\n\n<p><strong>\ud83d\udcb0 \u9632\u5fa1\u30b3\u30b9\u30c8\u306f\u640d\u5bb3\u30b3\u30b9\u30c8\u306b\u6bd4\u3079\u308c\u3070\u4e9b\u7d30\u306a\u3082\u306e\u3067\u3042\u308b\u3002.<\/strong>&nbsp;\u5305\u62ec\u7684\u306a3\u6bb5\u968eSPD\u30b7\u30b9\u30c6\u30e0\u306e\u30b3\u30b9\u30c8\u306f\u3001\u4e00\u822c\u7684\u306a\u5546\u696d\u65bd\u8a2d\u3067\u306f$2,000-5,000\u3067\u3059\u304c\u3001$20,000-100,000\u4ee5\u4e0a\u306e\u6f5c\u5728\u7684\u640d\u5bb3\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002\u640d\u76ca\u5206\u5c90\u70b9\u306f\u3001\u308f\u305a\u304b0.15\u56de\u306e\u30b5\u30fc\u30b8\u767a\u751f\u5f8c\u306b\u767a\u751f\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>SPD\u306e\u9078\u629e\u306b\u306f4\u3064\u306e\u91cd\u8981\u306a\u8a08\u7b97\u304c\u5fc5\u8981\u3067\u3042\u308b\uff1a<\/strong>&nbsp;\u6700\u5927\u30b7\u30b9\u30c6\u30e0\u96fb\u5727\uff08Voc\u00d7\u6e29\u5ea6\u00d7\u5b89\u5168\u30de\u30fc\u30b8\u30f3\uff09\u3001\u5fc5\u8981\u306a\u4fdd\u8b77\u30ec\u30d9\u30eb\uff08Up\uff1c0.8\u00d7\u6a5f\u5668\u306e\u8010\u96fb\u5727\uff09\u3001\u5b9a\u683c\u653e\u96fb\u96fb\u6d41\uff08\u66dd\u9732\u30ec\u30d9\u30eb\u306b\u57fa\u3065\u304f\uff09\u3001\u304a\u3088\u3073\u6280\u8853\u9078\u629e\uff08\u6700\u9ad8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5b9f\u73fe\u3059\u308b\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9MOV+GDT\uff09\u3002.<\/p>\n\n\n\n<p><strong>\ud83d\udc0d \u8a2d\u7f6e\u54c1\u8cea\u304c\u4fdd\u8b77\u52b9\u679c\u3092\u6c7a\u5b9a\u3059\u308b\u3002.<\/strong>&nbsp;\u63a5\u7d9a\u30b1\u30fc\u30d6\u30eb\u306f0.5m\u672a\u6e80\u306b\u3057\u3001\u6700\u4f4e6AWG\u306e\u63a5\u5730\u5c0e\u4f53\u3092\u4f7f\u7528\u3057\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u30eb\u30fc\u30d7\u3092\u907f\u3051\u3001\u3059\u3079\u3066\u306e\u63a5\u7d9a\u304c\u4ed5\u69d8\u901a\u308a\u306e\u30c8\u30eb\u30af\u3067\u7de0\u3081\u3089\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u53d6\u308a\u4ed8\u3051\u304c\u4e0d\u5341\u5206\u306a\u5834\u5408\u3001\u4fdd\u8b77\u52b9\u679c\u304c50%\u4ee5\u4e0a\u4f4e\u4e0b\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>\ud83c\udfaf \u9023\u643a\u3057\u305f\u30ab\u30b9\u30b1\u30fc\u30c9\u4fdd\u8b77\u304c\u4e0d\u53ef\u6b20\u3002.<\/strong>&nbsp;\u30a2\u30ec\u30a4\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u3067\u30bf\u30a4\u30d71+2\u306eSPD\u3092\u4f7f\u7528\u3057\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u30ec\u30d9\u30eb\u3067\u30bf\u30a4\u30d72\u3092\u4f7f\u7528\u3057\u3001\u6700\u7d42\u7684\u306b\u30a4\u30f3\u30d0\u30fc\u30bf\u5165\u529b\u3067\u30bf\u30a4\u30d72\u306e\u4fdd\u8b77\u3092\u4f7f\u7528\u3059\u308b\u3002\u5404\u30b9\u30c6\u30fc\u30b8\u306f\u5f90\u3005\u306b\u4f4e\u3044Up\u5024\u3092\u6301\u3061\u3001\u9069\u5207\u306a\u8abf\u6574\u306e\u305f\u3081\u306b\u9069\u5207\u306a\u30b1\u30fc\u30d6\u30eb\u9577\u3067\u533a\u5207\u3089\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002.<\/p>\n\n\n\n<p><strong>\u2705 \u898f\u7bc4\u9075\u5b88\u306f\u7fa9\u52d9\u3067\u3042\u308a\u3001\u4efb\u610f\u3067\u306f\u306a\u3044\u3002.<\/strong>&nbsp;NEC690.35\u6761\u304a\u3088\u3073IEC61643-31\u306f\u3001PV\u30b7\u30b9\u30c6\u30e0\u306b\u30b5\u30fc\u30b8\u4fdd\u8b77\u3092\u7fa9\u52d9\u4ed8\u3051\u3066\u3044\u308b\u3002\u9069\u5207\u306aSPD\u306e\u8a2d\u7f6e\u306f\u3001\u8a31\u8a8d\u53ef\u3001\u4fdd\u8a3c\u306e\u6709\u52b9\u6027\u3001\u4fdd\u967a\u306e\u9069\u7528\u306b\u5fc5\u8981\u3067\u3059\u3002\u5199\u771f\u3068\u8a66\u904b\u8ee2\u5831\u544a\u66f8\u3067\u3059\u3079\u3066\u3092\u8a18\u9332\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p><strong>SPD \u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u4fdd\u5b88\u3092\u8a08\u753b\u3059\u308b\u3002.<\/strong>&nbsp;\u3069\u3093\u306a\u306b\u512a\u308c\u305fSPD\u3067\u3082\u5bff\u547d\u306f\u6709\u9650\u3067\u3059\uff08\u30b5\u30fc\u30b8\u983b\u5ea6\u306b\u3082\u3088\u308a\u307e\u3059\u304c\u3001\u901a\u5e385\uff5e10\u5e74\uff09\u3002\u8996\u899a\u7684\u306a\u30b9\u30c6\u30fc\u30bf\u30b9\u30fb\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u3068\u30ea\u30e2\u30fc\u30c8\u76e3\u8996\u6a5f\u80fd\u3092\u5099\u3048\u305f\u30c7\u30d0\u30a4\u30b9\u3092\u6307\u5b9a\u3057\u3001\u5e741\u56de\u306e\u70b9\u691c\u3092\u4e88\u5b9a\u3057\u3066\u7d99\u7d9a\u7684\u306a\u4fdd\u8b77\u3092\u78ba\u8a8d\u3059\u308b\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">SPD\u306f\u3059\u3079\u3066\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u306b\u5fc5\u8981\u306a\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u3060\u3051\u306b\u5fc5\u8981\u306a\u306e\u304b\uff1f<\/h3>\n\n\n\n<p><strong>\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306f\u3001\u4e21\u65b9\u306e\u30ec\u30d9\u30eb\u3067\u306e\u4fdd\u8b77\u3067\u3042\u308b\u3002.<\/strong>&nbsp;\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30ec\u30d9\u30eb\u306e\u4fdd\u8b77\u306f\u6700\u4f4e\u9650\u5fc5\u8981\u3067\u3042\u308b\u304c\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u30ec\u30d9\u30eb\u306eSPD\u306f\u3001\u30b5\u30fc\u30b8\u304c\u30b7\u30b9\u30c6\u30e0\u3092\u4f1d\u64ad\u3059\u308b\u524d\u306b\u3001\u30b5\u30fc\u30b8\u306b\u5bfe\u3059\u308b\u6700\u521d\u306e\u9632\u5fa1\u3092\u63d0\u4f9b\u3059\u308b\u3002\u6700\u9069\u306a\u4fdd\u8b77\u306e\u305f\u3081\u306b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u91cd\u8981\u306a\u8a2d\u5099<\/strong>\u00a0(\u5546\u7528\u3001\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30b9\u30b1\u30fc\u30eb\uff09\uff1a\u30b9\u30c8\u30ea\u30f3\u30b0\u3068\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u306e\u4e21\u30ec\u30d9\u30eb\u306bSPD\u3092\u8a2d\u7f6e\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u4e88\u7b97\u91cd\u8996\u306e\u4f4f\u5b85<\/strong>\u00a0(20kW\u672a\u6e80\uff09\uff1a\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u307e\u305f\u306f\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u5165\u529b\u3067\u306e\u6700\u5c0f\u9650\u306e\u4fdd\u8b77\u306f\u8a31\u5bb9\u3055\u308c\u308b<\/li>\n\n\n\n<li><strong>\u96f7\u306e\u591a\u3044\u5730\u57df<\/strong>:\u30b9\u30c8\u30ea\u30f3\u30b0\u30ec\u30d9\u30eb\u306e\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u306f\u8b72\u308c\u306a\u3044<\/li>\n<\/ul>\n\n\n\n<p>\u30b9\u30c8\u30ea\u30f3\u30b0\u30ec\u30d9\u30eb\u306e\u4fdd\u8b77\u306f\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u304c\u304b\u306a\u308a\u306e\u8ddd\u96e2\uff0850\u30e1\u30fc\u30c8\u30eb\u4ee5\u4e0a\uff09\u96e2\u308c\u3066\u3044\u308b\u5834\u5408\u3084\u3001\u30a2\u30ec\u30a4\u306e\u914d\u7dda\u304c\u9732\u51fa\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u7279\u306b\u91cd\u8981\u306b\u306a\u308b\u3002\u8ffd\u52a0\u30b3\u30b9\u30c8\u306f\u3001\u4fdd\u8b77\u52b9\u679c\u306b\u6bd4\u3079\u308c\u3070\u308f\u305a\u304b\u3067\u3059\uff08\u901a\u5e38\u30011\u30b9\u30c8\u30ea\u30f3\u30b0\u3042\u305f\u308a$150\uff5e200\uff09\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What&#8217;s the difference between Type 1 and Type 2 SPDs for solar?<\/h3>\n\n\n\n<p><strong>\u30bf\u30a4\u30d71\u306eSPD\u306f\u76f4\u63a5\u96f7\u6483\u306b\u5bfe\u5fdc\u3057\u3001\u30bf\u30a4\u30d72\u306eSPD\u306f\u9593\u63a5\u96f7\u6483\u3068\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30b5\u30fc\u30b8\u306b\u5bfe\u5fdc\u3059\u308b\u3002.<\/strong><\/p>\n\n\n\n<p>\u30bf\u30a4\u30d71\u88c5\u7f6e\u306f\u3001\u76f4\u6483\u306b\u3088\u308b\u9ad8\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u8868\u305910\/350\u03bcs\u306e\u30a4\u30f3\u30d1\u30eb\u30b9\u96fb\u6d41\u6ce2\u5f62\u3067\u30c6\u30b9\u30c8\u3055\u308c\u308b\u3002\u30bf\u30a4\u30d72\u306e\u30c7\u30d0\u30a4\u30b9\u306e40\uff5e50\u500d\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u6d88\u6563\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u5927\u578b\u3067\u9ad8\u4fa1\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u5834\u5408\u306f\u3001\u30bf\u30a4\u30d71\u306eSPD\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a2\u30ec\u30a4\u306f\u91ce\u5916\u306b\u8a2d\u7f6e\uff08\u5730\u4e0a\u8a2d\u7f6e\uff09<\/li>\n\n\n\n<li>\u8a2d\u7f6e\u5834\u6240\u306f\u3053\u306e\u5730\u57df\u3067\u6700\u3082\u9ad8\u3044\u5834\u6240<\/li>\n\n\n\n<li>\u5730\u57df\u306e\u843d\u96f7\u5bc6\u5ea6\u304c3\u56de\/km\u00b2\/\u5e74\u3092\u8d85\u3048\u308b\u3002<\/li>\n\n\n\n<li>\u5730\u57df\u898f\u683c\u3067\u306f\u30bf\u30a4\u30d71\u306e\u4fdd\u8b77\u304c\u5fc5\u8981<\/li>\n<\/ul>\n\n\n\n<p>\u30bf\u30a4\u30d7 2 \u306e\u30c7\u30d0\u30a4\u30b9\u306f 8\/20\u03bcs \u306e\u6ce2\u5f62\u3067\u30c6\u30b9\u30c8\u3055\u308c\u3001\u9593\u63a5\u7684\u306a\u30b9\u30c8\u30e9\u30a4\u30ad\uff08\u6700\u3082\u4e00\u822c\u7684\u306a\u8105\u5a01\uff09\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u3088\u308a\u512a\u308c\u305f\u96fb\u5727\u30af\u30e9\u30f3\u30d4\u30f3\u30b0\uff08\u3088\u308a\u4f4e\u3044Up\uff09\u3092\u63d0\u4f9b\u3057\u3001\u307b\u3068\u3093\u3069\u306e\u5c4b\u4e0a\u8a2d\u7f6e\u306b\u5341\u5206\u3067\u3059\u3002.<\/p>\n\n\n\n<p><strong>Modern hybrid &#8220;Type 1+2&#8221; devices provide both capabilities in a single unit\u2014ideal for combiner box protection where both direct and indirect surge threats exist.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DC\u5074\u3067AC SPD\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>AC\u3068DC\u306eSPD\u306f\u6839\u672c\u7684\u306b\u7570\u306a\u308b\u3082\u306e\u3067\u3001\u4e92\u63db\u6027\u306f\u306a\u3044\u3002.<\/strong><\/p>\n\n\n\n<p>AC SPD\u306f\u3001AC\u30b7\u30b9\u30c6\u30e0\u30671\u79d2\u9593\u306b100\uff5e120\u56de\u767a\u751f\u3059\u308b\u81ea\u7136\u96fb\u6d41\u306e\u30bc\u30ed\u30af\u30ed\u30b9\u306b\u4f9d\u5b58\u3057\u3001\u30b5\u30fc\u30b8\u4fdd\u8b77\u5f8c\u306e\u8ffd\u5f93\u96fb\u6d41\u3092\u6d88\u6ec5\u3055\u305b\u307e\u3059\u3002DC\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u30bc\u30ed\u30af\u30ed\u30b9\u306f\u3042\u308a\u307e\u305b\u3093\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>GDT\u30d9\u30fc\u30b9\u306eAC SPD\u306f\u77ed\u7d61\u30e2\u30fc\u30c9\u306b\u30e9\u30c3\u30c1\u3067\u304d\u308b<\/strong>\u00a0\u76f4\u6d41\u30b7\u30b9\u30c6\u30e0\u3067\u6c38\u4e45\u6545\u969c\u3092\u8d77\u3053\u3059<\/li>\n\n\n\n<li><strong>Arc extinction mechanisms designed for AC won&#8217;t function<\/strong>\u00a0\u76f4\u6d41\u7528\u9014\u306b\u6700\u9069<\/li>\n\n\n\n<li><strong>\u5b9a\u683c\u96fb\u5727\u304c\u5927\u304d\u304f\u7570\u306a\u308b<\/strong>\u00a0\u5fdc\u529b\u7279\u6027\u306e\u9055\u3044\u306b\u3088\u308b\u4ea4\u6d41\u3068\u76f4\u6d41\u306e\u9055\u3044<\/li>\n<\/ul>\n\n\n\n<p>DC SPD\u306f\u3001\u592a\u967d\u5149\u767a\u96fb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u7528\u306b\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u3001\u5b9a\u683c\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GDT\u6280\u8853\u7528\u306e\u30a2\u30fc\u30af\u6d88\u5f27\u307e\u305f\u306f\u96fb\u6d41\u5236\u9650\u56de\u8def<\/li>\n\n\n\n<li>\u76f4\u6d41\u96fb\u5727\u30b9\u30c8\u30ec\u30b9\u306b\u57fa\u3065\u304f\u9069\u5207\u306aUc\u5b9a\u683c<\/li>\n\n\n\n<li>\u76f4\u6d41\u30a2\u30fc\u30af\u653e\u96fb\u306b\u9069\u3057\u305f\u30b5\u30fc\u30de\u30eb\u30fb\u30c7\u30a3\u30b9\u30b3\u30cd\u30af\u30bf<\/li>\n\n\n\n<li>IEC 61643-31\uff08PV\u5c02\u7528\u898f\u683c\uff09\u306b\u6e96\u62e0\u3057\u305f\u8a66\u9a13\u3068\u8a8d\u8a3c<\/li>\n<\/ul>\n\n\n\n<p><strong>\u76f4\u6d41\u56de\u8def\u306bAC SPD\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u3001\u6cd5\u4ee4\u9055\u53cd\u3001\u4fdd\u8a3c\u306e\u7121\u52b9\u3001\u304a\u3088\u3073\u91cd\u5927\u306a\u5b89\u5168\u4e0a\u306e\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002\u5fc5\u305aDC\u5b9a\u683c\u306ePV\u5c02\u7528\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\u3092\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SPD\u306e\u4ea4\u63db\u6642\u671f\u306e\u76ee\u5b89\u306f\uff1f<\/h3>\n\n\n\n<p><strong>Most quality SPDs have visual status indicators\u2014but don&#8217;t rely on visual inspection alone.<\/strong><\/p>\n\n\n\n<p>\u6700\u65b0\u306e\u592a\u967d\u5149\u767a\u96fb\u30b9\u30c8\u30ea\u30f3\u30b0\u30fb\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\u306b\u306f\u3001\u8907\u6570\u306e\u6545\u969c\u8868\u793a\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<p><strong>\u8996\u899a\u7684\u6307\u6a19\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u52d5\u4f5c\u72b6\u614b\u3092\u793a\u3059\u7dd1\/\u8d64\u306e\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u30a6\u30a3\u30f3\u30c9\u30a6<\/li>\n\n\n\n<li>&#8220;OK&#8221; vs &#8220;FAULT&#8221; markings visible without opening enclosure<\/li>\n\n\n\n<li>\u30dd\u30c3\u30d7\u30a2\u30a6\u30c8\u30fb\u30e1\u30ab\u30cb\u30ab\u30eb\u30fb\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u3092\u5099\u3048\u305f\u88c5\u7f6e\u3082\u3042\u308b<\/li>\n<\/ul>\n\n\n\n<p><strong>\u96fb\u6c17\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ea\u30e2\u30fc\u30c8\u63a5\u70b9\u51fa\u529b\uff08\u5e38\u6642\u9589\u63a5\u70b9\u3001\u6545\u969c\u6642\u306b\u958b\u63a5\uff09<\/li>\n\n\n\n<li>\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u30c9\u30e9\u30a4\u63a5\u70b9\u4fe1\u53f7<\/li>\n\n\n\n<li>\u4e00\u90e8\u306e\u4e0a\u7d1a\u30e2\u30c7\u30eb\u306fModbus\/SNMP\u30ea\u30e2\u30fc\u30c8\u30fb\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u306b\u5bfe\u5fdc<\/li>\n<\/ul>\n\n\n\n<p><strong>\u691c\u67fb\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5e74\u6b21\u76ee\u8996\u691c\u67fb<\/strong>:\u5b9a\u671f\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6642\u306b\u30b9\u30c6\u30fc\u30bf\u30b9\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u3092\u30c1\u30a7\u30c3\u30af<\/li>\n\n\n\n<li><strong>\u5d50\u5f8c\u306e\u70b9\u691c<\/strong>:\u60aa\u5929\u5019\u5f8c24\u6642\u9593\u4ee5\u5185\u306b\u70b9\u691c<\/li>\n\n\n\n<li><strong>\u56db\u534a\u671f\u3054\u3068\u306e\u9060\u9694\u76e3\u8996\u30c1\u30a7\u30c3\u30af<\/strong>:SCADA\/\u76e3\u8996\u30b7\u30b9\u30c6\u30e0\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408<\/li>\n<\/ul>\n\n\n\n<p><strong>\u4ea4\u63db\u6642\u671f\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Status indicator shows &#8220;FAULT&#8221; or red condition<\/li>\n\n\n\n<li>\u9060\u9694\u76e3\u8996\u3067SPD\u306e\u6545\u969c\u3092\u78ba\u8a8d<\/li>\n\n\n\n<li>\u65e2\u77e5\u306e\u76f4\u6483\u96f7\u306e\u5f8c\uff08\u4e88\u9632\u306e\u305f\u3081\u306b\u4ea4\u63db\u3059\u308b\uff09<\/li>\n\n\n\n<li>\u898b\u304b\u3051\u306e\u72b6\u614b\u306b\u304b\u304b\u308f\u3089\u305a5\uff5e10\u5e74\u5f8c\uff08\u4e88\u9632\u4ea4\u63db\uff09<\/li>\n\n\n\n<li>\u6f0f\u308c\u96fb\u6d41\u6e2c\u5b9a\u5024\u304c\u5b9a\u683c\u5024\u306e10\u500d\u3092\u8d85\u3048\u308b\u5834\u5408<\/li>\n<\/ul>\n\n\n\n<p><strong>Pro-Tip: Document SPD installation dates on device labels and in maintenance logs. Set calendar reminders for preventive replacement based on manufacturer recommendations\u2014don&#8217;t wait for failure in critical applications.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1000V\/1500V\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u3069\u306e\u3088\u3046\u306a\u5b9a\u683c\u96fb\u5727\u3092\u9078\u3079\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>SPD\u306e\u5b9a\u683c\u96fb\u5727\u306f\u3001\u516c\u79f0\u30b7\u30b9\u30c6\u30e0\u96fb\u5727\u3067\u306f\u306a\u304f\u3001\u30ef\u30fc\u30b9\u30c8\u30b1\u30fc\u30b9Voc\u306b\u57fa\u3065\u3044\u3066\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/strong><\/p>\n\n\n\n<p>\u306b\u3064\u3044\u3066&nbsp;<strong>\u516c\u79f01000V\u30b7\u30b9\u30c6\u30e0<\/strong>:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5178\u578b\u7684\u306a\u6700\u5927Voc\uff08\u30b3\u30fc\u30eb\u30c9\uff09\uff1a1,100-1,200V\n\u63a8\u5968SPD Uc\u5b9a\u683c1,500V DC\n\u6a19\u6e96\u4fdd\u8b77\u30ec\u30d9\u30eb\uff08\u4e0a\uff093.5-4.0 kV<\/code><\/pre>\n\n\n\n<p>\u306b\u3064\u3044\u3066&nbsp;<strong>\u516c\u79f01500V\u30b7\u30b9\u30c6\u30e0<\/strong>:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5178\u578b\u7684\u306a\u6700\u5927Voc\uff08\u30b3\u30fc\u30eb\u30c9\uff09\uff1a1,650-1,800V\n\u63a8\u5968SPD Uc\u5b9a\u683c\uff1a2,000V DC\n\u6a19\u6e96\u4fdd\u8b77\u30ec\u30d9\u30eb\uff08\u4e0a\uff095.0-6.0 kV<\/code><\/pre>\n\n\n\n<p><strong>\u91cd\u8981\u306a\u8a08\u7b97\u30b9\u30c6\u30c3\u30d7\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6a19\u6e96\u8a66\u9a13\u6761\u4ef6\uff08STC\uff09\u3067\u306e\u30b9\u30c8\u30ea\u30f3\u30b0Voc\u306e\u8a08\u7b97<\/li>\n\n\n\n<li>\u4e88\u60f3\u6700\u4f4e\u6e29\u5ea6\u306b\u5bfe\u3057\u3066\u6e29\u5ea6\u88dc\u6b63\u3092\u304b\u3051\u308b<\/li>\n\n\n\n<li>15-20%\u306e\u5b89\u5168\u30de\u30fc\u30b8\u30f3\u3092\u8ffd\u52a0<\/li>\n\n\n\n<li>\u6b21\u306b\u9ad8\u3044SPD\u5b9a\u683c\u96fb\u5727\u3092\u9078\u629e\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p><strong>1500V\u30b7\u30b9\u30c6\u30e0\u306e\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u96fb\u5727\uff08STC\uff09\uff1a52V<\/li>\n\n\n\n<li>\u6587\u5b57\u5217\u306e\u9577\u3055\uff1a28\u30e2\u30b8\u30e5\u30fc\u30eb<\/li>\n\n\n\n<li>STC\u3067\u306e\u96fb\u5727\uff1a1,456V<\/li>\n\n\n\n<li>\u6700\u4f4e\u6e29\u5ea6\uff1a-10\u2103\uff08STC\u3088\u308a35\u2103\u4f4e\u3044\uff09<\/li>\n\n\n\n<li>\u6e29\u5ea6\u4e0a\u66071,456V \u00d7 35\u2103 \u00d7 0.0035 = 178V<\/li>\n\n\n\n<li>\u6700\u5927\u96fb\u5727\uff1a1,456V + 178V = 1,634V<\/li>\n\n\n\n<li>20%\u306e\u5b89\u5168\u30de\u30fc\u30b8\u30f3\uff1a1,634V\u00d71.2\uff1d1,961V<\/li>\n\n\n\n<li><strong>Uc = 2,000V DC\uff08\u6a19\u6e96\u5b9a\u683c\uff09\u306eSPD\u3092\u9078\u629e<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>\u30b3\u30b9\u30c8\u524a\u6e1b\u306e\u305f\u3081\u306bSPD\u306e\u5b9a\u683c\u96fb\u5727\u3092\u904e\u5c0f\u8a55\u4fa1\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u904e\u5c0f\u8a55\u4fa1\u3055\u308c\u305fSPD\u306f\u3001\u9ad8\u96fb\u5727\u6761\u4ef6\u306b\u3055\u3089\u3055\u308c\u308b\u3068\u6025\u901f\u306b\u52a3\u5316\u3057\u305f\u308a\u3001\u65e9\u671f\u306b\u6545\u969c\u3057\u305f\u308a\u3057\u307e\u3059\u3002.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">MOV or GDT &#8211; which is better for solar applications?<\/h3>\n\n\n\n<p><strong>Neither is universally &#8220;better&#8221;\u2014the optimal choice depends on your specific application requirements.<\/strong><\/p>\n\n\n\n<p><strong>\u6b21\u306e\u3088\u3046\u306a\u5834\u5408\u306f\u3001MOV\u306e\u307f\u306eSPD\u3092\u9078\u629e\u3059\u308b\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e88\u7b97\u304c\u4e3b\u306a\u5236\u7d04\uff08\u4f4f\u5b85\u8a2d\u5099\uff09<\/li>\n\n\n\n<li>\u30b5\u30fc\u30b8\u306e\u767a\u751f\u983b\u5ea6\u304c\u4f4e\u3044\uff08\u5e74\u95935\u4ef6\u672a\u6e80\uff09\u3002<\/li>\n\n\n\n<li>\u9ad8\u901f\u5fdc\u7b54\u304c\u91cd\u8981\uff0825\u30ca\u30ce\u79d2\u4ee5\u4e0b\uff09<\/li>\n\n\n\n<li>\u4f4e\u96fb\u5727\u30af\u30e9\u30f3\u30d4\u30f3\u30b0\uff08Up\uff09\u304c\u5fc5\u8981<\/li>\n\n\n\n<li>\u30b7\u30b9\u30c6\u30e0\u304c\u4f4e\uff5e\u4e2d\u7a0b\u5ea6\u306e\u96f7\u66b4\u9732\u5730\u57df\u306b\u3042\u308b<\/li>\n<\/ul>\n\n\n\n<p><strong>\u4ee5\u4e0b\u306e\u5834\u5408\u306f\u3001GDT\u306e\u307f\u306eSPD\u3092\u9078\u629e\u3059\u308b\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ad8\u3044\u653e\u96fb\u96fb\u6d41\u5bb9\u91cf\u304c\u5fc5\u8981\uff08\u76f4\u6483\u30be\u30fc\u30f3\uff09<\/li>\n\n\n\n<li>\u6700\u5927\u5bff\u547d\u304c\u91cd\u8981\uff08\u7d4c\u5e74\u52a3\u5316\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\uff09<\/li>\n\n\n\n<li>\u9ad8\u6e29\u74b0\u5883\u3067\u3082\u4f5c\u52d5\u3059\u308b\u30b7\u30b9\u30c6\u30e0<\/li>\n\n\n\n<li>\u6f0f\u308c\u96fb\u6d41\u30bc\u30ed\u304c\u4e0d\u53ef\u6b20<\/li>\n\n\n\n<li>\u9ad8\u3044\u521d\u671f\u6295\u8cc7\u3092\u53ef\u80fd\u306b\u3059\u308b\u4e88\u7b97<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9MOV+GDT SPD\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u5408\u306b\u9078\u629e\u3059\u308b\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Commercial or utility-scale installations (> 50kW)<\/li>\n\n\n\n<li>\u9577\u671f\u7684\u306a\u4fe1\u983c\u6027\u304c\u6700\u512a\u5148<\/li>\n\n\n\n<li>\u30b7\u30b9\u30c6\u30e0\u306f\u4e2d\uff5e\u9ad8\u30ec\u30d9\u30eb\u306e\u96f7\u306b\u3055\u3089\u3055\u308c\u3066\u3044\u308b<\/li>\n\n\n\n<li>\u9060\u9694\u76e3\u8996\u3068\u72b6\u614b\u8868\u793a\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>\u7dcf\u6240\u6709\u30b3\u30b9\u30c8\uff08\u30a4\u30cb\u30b7\u30e3\u30eb\u30b3\u30b9\u30c8\u3060\u3051\u3067\u306f\u306a\u3044\uff09\u304c\u610f\u601d\u6c7a\u5b9a\u3092\u5de6\u53f3\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p><strong>\u696d\u754c\u306e\u30c8\u30ec\u30f3\u30c9\u306f\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u8a2d\u8a08<\/strong>&nbsp;\u306a\u305c\u306a\u3089\u3001\u4e21\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u9577\u6240\u3092\u517c\u306d\u5099\u3048\u3066\u3044\u308b\u304b\u3089\u3060\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5805\u7262\u306aGDT\u30a8\u30cd\u30eb\u30ae\u30fc\u51e6\u7406\u306b\u3088\u308b\u9ad8\u901fMOV\u5fdc\u7b54<\/li>\n\n\n\n<li>\u30a2\u30fc\u30af\u6d88\u5f27\u56de\u8def\u306b\u3088\u308a\u3001GDT\u8ffd\u5f93\u96fb\u6d41\u306e\u5fc3\u914d\u304c\u306a\u3044<\/li>\n\n\n\n<li>\u9577\u671f\u4fe1\u983c\u6027\u306b\u512a\u308c\u3001\u82e5\u5e72\u306e\u30b3\u30b9\u30c8\u9ad8\u3092\u6b63\u5f53\u5316<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30b7\u30b9\u30c6\u30e0\u306e\u30a2\u30c3\u30d7\u30bf\u30a4\u30e0\u3068\u9577\u671f\u7684\u306a\u4fdd\u8b77\u304c\u512a\u5148\u3055\u308c\u308b\u5c02\u9580\u7684\u306a\u8a2d\u7f6e\u306e\u5834\u5408\u306f\u3001\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30c6\u30af\u30ce\u30ed\u30b8\u3092\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u300220-30%\u306e\u9ad8\u3044\u521d\u671f\u30b3\u30b9\u30c8\u306f\u3001\u9577\u5bff\u547d\u3068\u512a\u308c\u305f\u4fdd\u8b77\u6027\u80fd\u306b\u3088\u3063\u3066\u56de\u53ce\u3055\u308c\u307e\u3059\u3002.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SPD\u306f\u3069\u306e\u7a0b\u5ea6\u6a5f\u5668\u306b\u8fd1\u3065\u3051\u308b\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>SPD\u3068\u4fdd\u8b77\u3055\u308c\u305f\u6a5f\u5668\u9593\u306e\u30b1\u30fc\u30d6\u30eb\u306e\u7dcf\u9577\u306f\u6700\u59270.5m\uff0850cm\uff09-\u77ed\u3044\u307b\u3069\u826f\u3044\u3002.<\/strong><\/p>\n\n\n\n<p>\u91cd\u8981\u306a\u539f\u7406\uff1a\u63a5\u7d9a\u30b1\u30fc\u30d6\u30eb1\u30e1\u30fc\u30c8\u30eb\u3054\u3068\u306b\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\uff08\u7d041\u03bcH\/\u30e1\u30fc\u30c8\u30eb\uff09\u304c\u52a0\u308f\u308a\u3001\u9ad8\u901f\u30b5\u30fc\u30b8\u767a\u751f\u6642\u306b\u3055\u3089\u306a\u308b\u96fb\u5727\u4e0a\u6607\u3092\u5f15\u304d\u8d77\u3053\u3059\uff1a<\/p>\n\n\n\n<p><strong>\u96fb\u5727\u4e0a\u6607\u306e\u8a08\u7b97\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>V_additional = L \u00d7 (di\/dt)\n\n2\u30e1\u30fc\u30c8\u30eb\u306e\u30b1\u30fc\u30d6\u30eb\u306e\u4f8b\nL = 2m \u00d7 1\u03bcH\/meter = 2\u03bcH\ndi\/dt = 50 kA\/\u03bcs\uff08\u5178\u578b\u7684\u306a\u96f7\u30b5\u30fc\u30b8\u30ec\u30fc\u30c8\uff09\nV_additional = 2 \u03bcH \u00d7 50,000 A\/\u03bcs = 100V\/\u30e1\u30fc\u30c8\u30eb\n\n\u7dcf\u8ffd\u52a0\u96fb\u5727 = 200V<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u8ffd\u52a0\u96fb\u5727\u306f\u4fdd\u8b77\u3055\u308c\u305f\u6a5f\u5668\u306b\u73fe\u308c\u307e\u3059\u3002&nbsp;<em>\u306e\u4e0a\u306b<\/em>&nbsp;the SPD&#8217;s voltage protection level (Up), effectively reducing protection performance.<\/p>\n\n\n\n<p><strong>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7406\u60f3\u7684\u306a\u8ddd\u96e2<\/strong>:&lt;0.3\u30e1\u30fc\u30c8\u30eb\uff0830\u30bb\u30f3\u30c1\uff09<\/li>\n\n\n\n<li><strong>\u6700\u5927\u8a31\u5bb9\u7bc4\u56f2<\/strong>:0.5\u30e1\u30fc\u30c8\u30eb\uff0850\u30bb\u30f3\u30c1\uff09<\/li>\n\n\n\n<li><strong>\u3084\u3080\u3092\u5f97\u305a\u9577\u6642\u9593\u904b\u8ee2\u3059\u308b\u5834\u5408<\/strong>:\u3088\u308a\u592a\u3044\u5c0e\u4f53\uff08\u6700\u5c0f6 AWG \/ 10 mm\u00b2\uff09\u3068\u30c4\u30a4\u30b9\u30c8\u30da\u30a2\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li><strong>\u30b1\u30fc\u30d6\u30eb\u914d\u7dda<\/strong>:\u4fe1\u53f7\u30b1\u30fc\u30d6\u30eb\u306e\u30eb\u30fc\u30d7\u3001\u30b3\u30a4\u30eb\u3001\u4e26\u5217\u8d70\u884c\u3092\u907f\u3051\u308b<\/li>\n\n\n\n<li><strong>\u53d6\u308a\u4ed8\u3051\u4f4d\u7f6e<\/strong>:SPD\u306f\u3001\u7269\u7406\u7684\u306b\u53ef\u80fd\u306a\u9650\u308a\u6a5f\u5668\u7aef\u5b50\u306e\u8fd1\u304f\u306b\u8a2d\u7f6e\u3059\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30d7\u30ed\u304b\u3089\u306e\u30a2\u30c9\u30d0\u30a4\u30b9\uff1aSPD\u63a5\u7d9a\u30b1\u30fc\u30d6\u30eb\u306f\u3001\u53d6\u308a\u4ed8\u3051\u524d\u306b\u5fc5\u8981\u306a\u9577\u3055\u306b\u30ab\u30c3\u30c8\u3057\u3066\u304a\u304f\u3053\u3068\u3002\u305f\u3068\u3048SPD\u306e\u53d6\u308a\u4ed8\u3051\u4f4d\u7f6e\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u3063\u3066\u3082\u3001\u30b1\u30fc\u30d6\u30eb\u306f\u77ed\u304f\u76f4\u63a5\u914d\u7dda\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/strong><\/p>\n\n\n\n<p>\u8907\u6570\u306e\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u3092\u6301\u3064\u5927\u898f\u6a21\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001SPD\u3092\u4e2d\u592e\u306eSPD\u4f4d\u7f6e\u307e\u3067\u9577\u304f\u914d\u7dda\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5404\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306b\u914d\u7f6e\u3059\u308b\u3002\u5206\u6563\u578b\u4fdd\u8b77\u306f\u3001\u9577\u3044\u30b1\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3057\u305f\u96c6\u4e2d\u578b\u4fdd\u8b77\u3088\u308a\u3082\u52b9\u679c\u7684\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SPD\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u6027\u80fd\u3084\u52b9\u7387\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>\u9069\u5207\u306b\u9078\u629e\u3055\u308c\u3001\u8a2d\u7f6e\u3055\u308c\u305fSPD\u306f\u3001\u901a\u5e38\u904b\u8ee2\u6642\u306e\u30b7\u30b9\u30c6\u30e0\u6027\u80fd\u306b\u5168\u304f\u5f71\u97ff\u3092\u4e0e\u3048\u306a\u3044\u3002.<\/strong><\/p>\n\n\n\n<p><strong>\u901a\u5e38\u904b\u8ee2\u6642\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u96fb\u5727\u964d\u4e0b<\/strong>:\u5b9f\u8cea\u30bc\u30ed\uff08\u901a\u5e38\u6642\u306fSPD\u304c\u958b\u56de\u8def\u3068\u306a\u308b\uff09<\/li>\n\n\n\n<li><strong>\u96fb\u529b\u640d\u5931<\/strong>:\u3054\u304f\u308f\u305a\u304b\uff08\u30b7\u30b9\u30c6\u30e0\u51fa\u529b\u306e0.001%\u672a\u6e80\uff09<\/li>\n\n\n\n<li><strong>\u52b9\u7387\u3078\u306e\u5f71\u97ff<\/strong>:\u6e2c\u5b9a\u4e0d\u80fd<\/li>\n\n\n\n<li><strong>EMI\/RFI\u306e\u5f71\u97ff<\/strong>:\u306a\u3057\uff08SPD\u306f\u5b9f\u969b\u306b\u96fb\u6c17\u30ce\u30a4\u30ba\u3092\u4f4e\u6e1b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\uff09<\/li>\n<\/ul>\n\n\n\n<p><strong>\u6f0f\u308c\u96fb\u6d41\u306e\u8003\u616e\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MOV\u30d9\u30fc\u30b9\u306eSPD\uff1a10\uff5e100\u03bcA\u306e\u30ea\u30fc\u30af\uff08\u7d4c\u5e74\u52a3\u5316\u306b\u3088\u308a\u5897\u52a0\uff09<\/li>\n\n\n\n<li>GDT\u30d9\u30fc\u30b9\u306eSPD&lt; 1 \u03bcA\u306e\u30ea\u30fc\u30af<\/li>\n\n\n\n<li>1000V \u3067\u52d5\u4f5c\u3059\u308b 100kW \u30b7\u30b9\u30c6\u30e0\u306e\u5834\u5408\uff1a100\u03bcA \u6f0f\u96fb = 0.1W \u96fb\u529b\u640d\u5931\uff08\u51fa\u529b\u306e 0.0001%\uff09<\/li>\n\n\n\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\uff1a\u6e2c\u5b9a\u4e0d\u80fd<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>\u30b5\u30fc\u30b8\u30a4\u30d9\u30f3\u30c8\u6642<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SPD\u304c\u30ca\u30ce\u79d2\u5358\u4f4d\u3067\u4f5c\u52d5\u3057\u3001\u96fb\u5727\u3092\u5b89\u5168\u306a\u30ec\u30d9\u30eb\u306b\u30af\u30e9\u30f3\u30d7<\/li>\n\n\n\n<li>\u30b5\u30fc\u30b8\u5f8c\u3001SPD\u306f\u30cf\u30a4\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u72b6\u614b\u306b\u623b\u308b<\/li>\n\n\n\n<li>\u30b7\u30b9\u30c6\u30e0\u904b\u7528\u3078\u306e\u5f71\u97ff\u306f\u306a\u3044<\/li>\n\n\n\n<li>\u6700\u65b0\u306eSPD\u306f\u81ea\u5df1\u30c6\u30b9\u30c8\u3092\u884c\u3044\u3001\u52a3\u5316\u304c\u3042\u308c\u3070\u305d\u308c\u3092\u793a\u3059<\/li>\n<\/ul>\n\n\n\n<p><strong>\u8aa4\u3063\u3066\u9069\u7528\u3055\u308c\u305f\u5834\u5408\u306b\u306e\u307f\u8d77\u3053\u308a\u3046\u308b\u554f\u984c\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u904e\u5c0f\u8a55\u4fa1\u3055\u308c\u305fUc<\/strong>:SPD\u306f\u3001\u9ad8\u96fb\u5727\u6761\u4ef6\u4e0b\u3067\u30af\u30e9\u30f3\u30d7\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u969c\u5bb3\u3068\u3057\u3066\u73fe\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li>\n\n\n\n<li><strong>\u6545\u969c\u3057\u305fSPD\u306f\u4ea4\u63db\u3055\u308c\u306a\u3044<\/strong>:\u77ed\u7d61\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u3001\u30b7\u30b9\u30c6\u30e0\u52d5\u4f5c\u3092\u59a8\u3052\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li>\n\n\n\n<li><strong>\u6975\u6027\u304c\u6b63\u3057\u304f\u306a\u3044<\/strong>:\u5730\u7d61\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\uff08\u8a2d\u7f6e\u306e\u6307\u793a\u306b\u6ce8\u610f\u6df1\u304f\u5f93\u3046\u3053\u3068\uff09<\/li>\n<\/ul>\n\n\n\n<p><strong>\u7d50\u8ad6\uff1a<\/strong>&nbsp;Quality SPDs are transparent to system operation. Any performance impact from properly installed surge protection is far outweighed by the protection benefit. The only &#8220;performance issue&#8221; you&#8217;ll experience is continued operation after surge events that would have otherwise destroyed your equipment.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u6700\u5f8c\u306b\u601d\u3046\uff1a<\/strong>&nbsp;In the photovoltaic industry, we often hear &#8220;every dollar saved in installation costs is profit.&#8221; But skipping pv string surge protection to save $2,000-3,000 upfront is like canceling your car insurance to save on premiums\u2014it works great until you need it. The question isn&#8217;t whether you can afford surge protection; it&#8217;s whether you can afford to replace an entire inverter, dozens of modules, and absorb weeks of downtime when lightning strikes. Make surge protection a non-negotiable part of every PV system design\u2014your clients (and your reputation) will thank you.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"687\" height=\"1024\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-687x1024.jpg\" alt=\"\u30c1\u30f3\u30af\u30a2\u30f3\u30e4\" class=\"wp-image-2259\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-687x1024.jpg 687w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-201x300.jpg 201w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-768x1145.jpg 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-1030x1536.jpg 1030w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-1374x2048.jpg 1374w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-8x12.jpg 8w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-300x447.jpg 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626-600x894.jpg 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/12\/4ab379d36bf4a0c32d80a6ae500f21f8531ceb7e22179984ed5359e6cfd66626.jpg 1696w\" sizes=\"auto, (max-width: 687px) 100vw, 687px\" \/><\/figure>\n\n\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>The $47,000 Lightning Strike That Could Have Been Prevented It was a Tuesday morning in July when the maintenance team at a 500kW commercial solar installation in Arizona received the call they dreaded. A severe thunderstorm had passed through overnight, and the inverters were offline. When the technicians arrived on site, they discovered that a lightning strike had traveled through the unprotected PV strings, destroying three string inverters, damaging 24 solar modules, and corrupting the monitoring system. The total repair cost? $47,000. The system downtime? Three weeks. The cost of proper pv string surge protection they had skipped during installation to save budget? Less than $2,000. This isn&#8217;t an isolated [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44,42],"tags":[],"class_list":["post-2267","post","type-post","status-publish","format-standard","hentry","category-pv-modules-system-integration","category-surge-protection-lightning-safety"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/posts\/2267","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/comments?post=2267"}],"version-history":[{"count":1,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/posts\/2267\/revisions"}],"predecessor-version":[{"id":2270,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/posts\/2267\/revisions\/2270"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/media?parent=2267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/categories?post=2267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/tags?post=2267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}