{"id":2587,"date":"2026-03-09T03:52:32","date_gmt":"2026-03-09T03:52:32","guid":{"rendered":"https:\/\/cnkuangya.com\/?p=2587"},"modified":"2026-04-24T13:50:37","modified_gmt":"2026-04-24T05:50:37","slug":"pv-ess-protection-coordination-preventing-single-point-failures-from-crashing-your-entire-plant","status":"publish","type":"post","link":"https:\/\/cnkuangya.com\/ja\/blog\/pv-ess-protection-coordination-preventing-single-point-failures-from-crashing-your-entire-plant\/","title":{"rendered":"PV\u3068ESS\u306e\u4fdd\u8b77\u5354\u8abf\uff1a\u5358\u4e00\u70b9\u6545\u969c\u306b\u3088\u308b\u30d7\u30e9\u30f3\u30c8\u5168\u4f53\u306e\u30af\u30e9\u30c3\u30b7\u30e5\u3092\u9632\u3050"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p>ESS today&#8217;s rapidly evolving solar-plus-storage landscape, the risk of single-point failures bringing down entire power plants has become increasingly prominent. According to recent industry data, over 80% of PV-ESS system failures stem from inadequate protection coordination, with the vast majority being preventable through proper electrical protection design. Distributed coordination schemes, compared to centralized control, significantly reduce single-point failure risks and ensure systems maintain operation even during localized faults. <\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30d7\u30ed\u4ed5\u69d8\u306e\u96fb\u6c17\u90e8\u54c1\u304c\u3069\u306e\u3088\u3046\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u7d39\u4ecb\u3059\u308b\u3002 <a href=\"http:\/\/cnkuangya.com\/ja\/\">cnkuangya.com<\/a> \u6545\u969c\u306e\u4f1d\u64ad\u3092\u52b9\u679c\u7684\u306b\u9632\u6b62\u3057\u3001PV-ESS\u767a\u96fb\u6240\u306e\u5b89\u5168\u3067\u5b89\u5b9a\u3057\u305f\u904b\u8ee2\u3092\u4fdd\u8a3c\u3059\u308b\u3001\u591a\u5c64\u3067\u5354\u8abf\u7684\u306a\u4fdd\u8b77\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9\u3092\u53ef\u80fd\u306b\u3059\u308b\u3002.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u306a\u305c\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u30fb\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30b7\u30e7\u30f3\u304c\u91cd\u8981\u306a\u306e\u304b\uff1f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5358\u70b9\u6545\u969c\u306e\u30ab\u30b9\u30b1\u30fc\u30c9\u52b9\u679c<\/h3>\n\n\n\n<p>PV-ESS\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u30011\u3064\u306e\u672a\u53ce\u5bb9\u6545\u969c\u304c\u81f4\u547d\u7684\u306a\u7d50\u679c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u904e\u96fb\u6d41\u6545\u969c\u4f1d\u64ad<\/strong>:\u5358\u4e00\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u77ed\u7d61\u306f\u3001\u901f\u3084\u304b\u306b\u7d76\u7e01\u3055\u308c\u306a\u3051\u308c\u3070\u3001\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u3001\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u3001\u3042\u308b\u3044\u306fDC\u30d0\u30b9\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3092\u640d\u50b7\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u7d76\u7e01\u4e0d\u826f\u306e\u30ea\u30b9\u30af<\/strong>:PV\u30b7\u30b9\u30c6\u30e0\u306e\u7d76\u7e01\u62b5\u6297\u304c\u4f4e\u4e0b\u3057\u305f\u5834\u5408\u3001\u4fdd\u8b77\u88c5\u7f6e\u304c\u901f\u3084\u304b\u306b\u4f5c\u52d5\u3057\u306a\u3044\u3068\u3001\u611f\u96fb\u306e\u5371\u967a\u3084\u6a5f\u5668\u306e\u640d\u50b7\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002 <\/li>\n\n\n\n<li><strong>\u30b5\u30fc\u30b8\u30a8\u30cd\u30eb\u30ae\u30fc\u4f1d\u5c0e<\/strong>:\u843d\u96f7\u3084\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30b5\u30fc\u30b8\u306f\u3001\u52b9\u679c\u7684\u306aSPD\u4fdd\u8b77\u3068\u8abf\u6574\u306a\u3057\u3067\u306f\u3001\u30a4\u30f3\u30d0\u30fc\u30bf\u3001\u30d0\u30c3\u30c6\u30ea\u3001\u76e3\u8996\u6a5f\u5668\u306b\u30ab\u30b9\u30b1\u30fc\u30c9\u30c0\u30e1\u30fc\u30b8\u3092\u4e0e\u3048\u308b\u3002 <\/li>\n\n\n\n<li><strong>ESS\u30b7\u30b9\u30c6\u30e0\u6545\u969c<\/strong>:\u30d0\u30c3\u30c6\u30ea\u30fc\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0(BMS)\u3068\u4e0a\u6d41\u30d6\u30ec\u30fc\u30ab\u30fc\u9593\u306e\u9023\u643a\u4e0d\u8db3\u306b\u3088\u308a\u3001\u904e\u5145\u96fb\u3001\u904e\u653e\u96fb\u3001\u71b1\u66b4\u8d70\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5354\u8abf\u7684\u4fdd\u8b77\u306e\u30b3\u30a2\u30fb\u30d0\u30ea\u30e5\u30fc<\/h3>\n\n\n\n<p>\u52b9\u679c\u7684\u306a\u4fdd\u8b77\u8abf\u6574\u6226\u7565\u304c\u3082\u305f\u3089\u3059\u3082\u306e<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u9078\u629e\u7684\u5206\u96e2<\/strong>:\u6545\u969c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u6700\u5c0f\u9650\u306e\u6a5f\u5668\u30b9\u30b3\u30fc\u30d7\u306e\u307f\u3092\u5207\u65ad\u3057\u3001\u6b8b\u308a\u306e\u6a5f\u5668\u30b9\u30b3\u30fc\u30d7\u306f\u52d5\u4f5c\u3092\u7d99\u7d9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u8fc5\u901f\u306a\u5bfe\u5fdc<\/strong>:\u969c\u5bb3\u304c\u4f1d\u64ad\u3059\u308b\u524d\u306b\u906e\u65ad\u3057\u3001\u4fa1\u5024\u306e\u9ad8\u3044\u8cc7\u7523\u3092\u5b88\u308b<\/li>\n\n\n\n<li><strong>\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u306e\u524a\u6e1b<\/strong>:\u5de5\u5834\u5168\u4f53\u306e\u4e0d\u8981\u306a\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3092\u56de\u907f\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u53ef\u7528\u6027\u3092\u5411\u4e0a<\/li>\n\n\n\n<li><strong>\u6a5f\u5668\u5bff\u547d\u306e\u5ef6\u9577<\/strong>:\u6a5f\u5668\u3078\u306e\u96fb\u6c17\u7684\u30b9\u30c8\u30ec\u30b9\u3092\u4f4e\u6e1b\u3057\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b3\u30b9\u30c8\u3092\u524a\u6e1b<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"http:\/\/cnkuangya.com\/ja\/\">cnkuangya.com<\/a> \u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u30fb\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3051\u308b\u96fb\u6c17\u90e8\u54c1<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30a2\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u88fd\u54c1\u30de\u30c8\u30ea\u30c3\u30af\u30b9<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u88fd\u54c1\u30ab\u30c6\u30b4\u30ea\u30fc<\/th><th>\u30e2\u30c7\u30eb\u30b7\u30ea\u30fc\u30ba<\/th><th>\u5b9a\u683c\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc<\/th><th>\u4e3b\u306a\u7528\u9014<\/th><th>\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u30fb\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd<\/th><\/tr><\/thead><tbody><tr><td><strong><a href=\"https:\/\/cnkuangya.com\/ja\/%e7%9b%b4%e6%b5%81%e5%9b%9e%e8%bb%a2%e6%95%b0\/\">\u76f4\u6d41\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e<\/a> (SPD)<\/strong><\/td><td>\u30bf\u30a4\u30d71+2 DC SPD<\/td><td>1000V\/1500V, Iimp 12.5kA<\/td><td>PV\u30b9\u30c8\u30ea\u30f3\u30b0\u3001\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u3001ESS DC\u30d0\u30b9<\/td><td>\u4e00\u6b21\u96f7\u4fdd\u8b77\u3001\u4e0b\u6d41\u306eDC MCB\u3068\u9023\u643a<\/td><\/tr><tr><td><strong>DC\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\uff08MCCB\uff09<\/strong><\/td><td>KYDB-63\u30b7\u30ea\u30fc\u30ba<\/td><td>1000V\/1500V\u300116-63A<\/td><td>\u30b9\u30c8\u30ea\u30f3\u30b0\u4fdd\u8b77\u3001\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u51fa\u529b<\/td><td>\u904e\u96fb\u6d41\u3001\u77ed\u7d61\u4fdd\u8b77\u3001\u9078\u629e\u30c8\u30ea\u30c3\u30d7<\/td><\/tr><tr><td><strong><a href=\"https:\/\/cnkuangya.com\/ja\/dc-fuse\/\">PV\u30d2\u30e5\u30fc\u30ba<\/a><\/strong><\/td><td>gPV 14\u00d785\u30b7\u30ea\u30fc\u30ba<\/td><td>1000V\/1500V\u30011\uff5e32A<\/td><td>\u30b9\u30c8\u30ea\u30f3\u30b0\u30ec\u30d9\u30eb\u306e\u4fdd\u8b77\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u30af\u30e9\u30b9\u30bf<\/td><td>\u5373\u52b9\u6027\u306e\u3042\u308b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u4fdd\u8b77<\/td><\/tr><tr><td><strong>\u7d76\u7e01\u30b9\u30a4\u30c3\u30c1<\/strong><\/td><td>DC\u30b9\u30a4\u30c3\u30c1\u30fb\u30c7\u30a3\u30b9\u30b3\u30cd\u30af\u30bf\u30fc<\/td><td>1000V\/1500V\u300132\uff5e125A<\/td><td>\u4fdd\u5b88\u7528\u7d76\u7e01\u3001\u7dca\u6025\u906e\u65ad<\/td><td>\u5b89\u5168\u306a\u9694\u96e2\u3001\u76ee\u306b\u898b\u3048\u308b\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8<\/td><\/tr><tr><td><strong>PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9<\/strong><\/td><td>\u4e00\u4f53\u578b\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9<\/td><td>SPD+\u30d2\u30e5\u30fc\u30ba+\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u4ed8\u304d<\/td><td>\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u7d50\u5408\u3068\u4fdd\u8b77<\/td><td>\u30de\u30eb\u30c1\u30ec\u30d9\u30eb\u5354\u8abf\u4fdd\u8b77\u3001IP65\u7b49\u7d1a<\/td><\/tr><tr><td><strong>AC\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc<\/strong><\/td><td>MCB\/RCCB<\/td><td>230\/400V\u3001C\/D\u30ab\u30fc\u30d6<\/td><td>\u30a4\u30f3\u30d0\u30fc\u30bf\u30fcAC\u5074\u3001\u30b0\u30ea\u30c3\u30c9\u63a5\u7d9a<\/td><td>AC\u904e\u8ca0\u8377\u3001\u6f0f\u96fb\u4fdd\u8b77<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">1. DC Surge Protective Device (SPD) &#8211; First Line of Defense<\/h3>\n\n\n\n<p><strong>\u88fd\u54c1\u306e\u7279\u5fb4<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"http:\/\/cnkuangya.com\/ja\/\">cnkuangya.com<\/a>&#8216;s Type 1+2 DC SPD designed specifically for 1000V\/1500V PV systems<\/li>\n\n\n\n<li>\u52b9\u679c\u7684\u306a\u96fb\u5727\u30af\u30e9\u30f3\u30d4\u30f3\u30b0\u306b\u3088\u308a\u3001PV\u30a2\u30ec\u30a4\u3068ESS DC\u30d0\u30b9\u306e\u90e8\u54c1\u30b9\u30c8\u30ec\u30b9\u3092\u6700\u5c0f\u5316<\/li>\n\n\n\n<li>DC\u30d2\u30e5\u30fc\u30ba\u4fdd\u8b77\u3068\u306e\u5354\u8abf\u4fdd\u8b77\u306b\u3088\u308b\u30ab\u30b9\u30b1\u30fc\u30c9\u6545\u969c\u306e\u9632\u6b62<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30fb\u30b7\u30ca\u30ea\u30aa<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PV\u30b9\u30c8\u30ea\u30f3\u30b0\u5074<\/strong>:\u96f7\u3084\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30b5\u30fc\u30b8\u304b\u3089\u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u3001\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u5165\u529b\u306b\u8a2d\u7f6e<\/li>\n\n\n\n<li><strong>ESS DC\u30d0\u30b9<\/strong>:\u30d0\u30c3\u30c6\u30ea\u30fc\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\uff08BMS\uff09\u3068\u96fb\u529b\u5909\u63db\u30b7\u30b9\u30c6\u30e0\uff08PCS\uff09\u306e\u4fdd\u8b77<\/li>\n\n\n\n<li><strong>\u30a4\u30f3\u30d0\u30fc\u30bf\u30fcDC\u5165\u529b<\/strong>:\u30a4\u30f3\u30d0\u30fc\u30bf\u524d\u306e\u6700\u7d42\u6bb5\u968e\u306e\u30b5\u30fc\u30b8\u4fdd\u8b77\u3068\u3057\u3066\u6a5f\u80fd<\/li>\n<\/ul>\n\n\n\n<p><strong>\u8abf\u6574\u6226\u7565<\/strong>:\\<br>IEC 61643-31\u898f\u683c\u306b\u3088\u308b\u3068\u3001SPD\u306f\u4e0a\u6d41\u306e\u904e\u96fb\u6d41\u4fdd\u8b77\u88c5\u7f6e\u3068\u9023\u643a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002. <a href=\"http:\/\/cnkuangya.com\/ja\/\">cnkuangya.com<\/a>&#8216;s SPD products ensure that when surge energy exceeds limits, upstream DC fuses or breakers safely disconnect, preventing SPD failure-induced fire risks. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. DC Circuit Breaker (MCCB) &#8211; Intelligent Overcurrent Protection<\/h3>\n\n\n\n<p><strong>\u88fd\u54c1\u306e\u7279\u5fb4<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>KYDB-63\u30b7\u30ea\u30fc\u30ba\u306f1000V\/1500V DC\u30b7\u30b9\u30c6\u30e0\u306b\u5bfe\u5fdc<\/li>\n\n\n\n<li>\u71b1\u78c1\u6c17\u30c8\u30ea\u30c3\u30d7\u7279\u6027\u306f\u3001PV\u30b7\u30b9\u30c6\u30e0\u306e\u8d77\u52d5\u30b5\u30fc\u30b8\u3068\u901a\u5e38\u306e\u52d5\u4f5c\u96fb\u6d41\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u512a\u308c\u305f\u6e29\u5ea6\u4e0a\u6607\u5236\u5fa1\u306b\u3088\u308a\u3001250\uff5e400A\u306e\u8ca0\u8377\u3067\u96fb\u5727\u964d\u4e0b\u3068\u6e29\u5ea6\u4e0a\u6607\u3092\u8a2d\u8a08\u9650\u754c\u5185\u306b\u7dad\u6301<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30fb\u30b7\u30ca\u30ea\u30aa<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6587\u5b57\u5217\u30ec\u30d9\u30eb\u306e\u4fdd\u8b77<\/strong>:\u5404\u30b9\u30c8\u30ea\u30f3\u30b0\u306f\u9078\u629e\u4fdd\u8b77\u306e\u305f\u3081\u306b\u72ec\u7acb\u3057\u305fDC MCB\u3067\u69cb\u6210\u3055\u308c\u308b<\/li>\n\n\n\n<li><strong>\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u51fa\u529b<\/strong>:\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u304b\u3089\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u307e\u3067\u306e\u30e1\u30a4\u30f3\u30e9\u30a4\u30f3\u3092\u4fdd\u8b77<\/li>\n\n\n\n<li><strong>ESS\u30d0\u30c3\u30c6\u30ea\u30fc\u30fb\u30af\u30e9\u30b9\u30bf\u30fc<\/strong>:\u904e\u96fb\u6d41\u3084\u77ed\u7d61\u306b\u3088\u308b\u640d\u50b7\u304b\u3089\u30d0\u30c3\u30c6\u30ea\u30fc\u30af\u30e9\u30b9\u30bf\u30fc\u3092\u4fdd\u8b77<\/li>\n<\/ul>\n\n\n\n<p><strong>\u8abf\u6574\u6226\u7565<\/strong>:\\<br>DC \u30d6\u30ec\u30fc\u30ab\u306e\u30c8\u30ea\u30c3\u30d7\u66f2\u7dda\u306f\u3001\u4e0b\u6d41\u306e\u30d2\u30e5\u30fc\u30ba\u304a\u3088\u3073\u4e0a\u6d41\u306e\u30e1\u30a4\u30f3\u30d6\u30ec\u30fc\u30ab\u3068\u8abf\u6574\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002. <a href=\"http:\/\/cnkuangya.com\/ja\/\">cnkuangya.com<\/a>&#8216;s KYDB series features adjustable trip characteristics, ensuring the protection device closest to the fault operates first, achieving selective protection.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Photovoltaic Fuse (gPV Fuse) &#8211; Fast Backup Protection<\/h3>\n\n\n\n<p><strong>\u88fd\u54c1\u306e\u7279\u5fb4<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PV\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c02\u7528\u306b\u8a2d\u8a08\u3055\u308c\u305fgPV 14\u00d785\u30b7\u30ea\u30fc\u30ba\u3001IEC 60269-6\u6e96\u62e0<\/li>\n\n\n\n<li>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306b\u4fbf\u5229\u306a\u4ea4\u63db\u53ef\u80fd\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u8a2d\u8a08<\/li>\n\n\n\n<li>1000V\/1500V\u30b7\u30b9\u30c6\u30e0\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u77ed\u7d61\u4fdd\u8b77\u3092\u63d0\u4f9b<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30fb\u30b7\u30ca\u30ea\u30aa<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b9\u30c8\u30ea\u30f3\u30b0\u4fdd\u8b77<\/strong>:\u77ed\u7d61\u6545\u969c\u3092\u8fc5\u901f\u306b\u906e\u65ad\u3059\u308b\u5404\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u7b2c\u4e00\u30ec\u30d9\u30eb\u306e\u4fdd\u8b77<\/li>\n\n\n\n<li><strong>\u30d0\u30c3\u30c6\u30ea\u30fc\u30fb\u30af\u30e9\u30b9\u30bf\u30fc\u4fdd\u8b77<\/strong>:ESS\u96fb\u6c60\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u5185\u90e8\u77ed\u7d61\u304b\u3089\u4fdd\u8b77<\/li>\n\n\n\n<li><strong>\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u5185\u90e8<\/strong>:SPD\u3068\u9023\u643a\u3057\u3066\u5b8c\u5168\u306a\u4fdd\u8b77\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b<\/li>\n<\/ul>\n\n\n\n<p><strong>\u8abf\u6574\u6226\u7565<\/strong>:\\<br>\u30d2\u30e5\u30fc\u30ba\u306e I\u00b2t \u5024\u306f\u3001\u4fdd\u8b77\u3055\u308c\u308b\u6a5f\u5668\uff08PV \u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u30b1\u30fc\u30d6\u30eb\u306a\u3069\uff09\u306e\u8010\u91cf\u3088\u308a\u3082\u5c0f\u3055\u304f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u540c\u6642\u306b\u3001\u77ed\u7d61\u6545\u969c\u6642\u306b\u30d6\u30ec\u30fc\u30ab\u3088\u308a\u3082\u5148\u306b\u30d2\u30e5\u30fc\u30ba\u304c\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u3001\u4e0a\u6d41\u306e\u30d6\u30ec\u30fc\u30ab\u306e\u30c8\u30ea\u30c3\u30d7\u7279\u6027\u3068\u8abf\u6574\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. PV Combiner Box &#8211; Integrated Protection Solution<\/h3>\n\n\n\n<p><strong>\u88fd\u54c1\u306e\u7279\u5fb4<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DC SPD\u3001PV\u30d2\u30e5\u30fc\u30ba\u3001\u76e3\u8996\u6a5f\u80fd\u3092\u7d71\u5408<\/li>\n\n\n\n<li>\u904e\u9177\u306a\u5c4b\u5916\u74b0\u5883\u306b\u9069\u3057\u305f\u4fdd\u8b77\u7b49\u7d1aIP65<\/li>\n\n\n\n<li>\u308f\u304b\u308a\u3084\u3059\u3044\u30ec\u30a4\u30a2\u30a6\u30c8\u3068\u4e08\u592b\u306aUV\u30ab\u30c3\u30c8\u30e9\u30d9\u30eb\u3067\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u7c21\u5358<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30fb\u30b7\u30ca\u30ea\u30aa<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5c4b\u4e0aPV\u6539\u4fee<\/strong>:\u5206\u6563\u578b\u5c4b\u4e0a\u30b7\u30b9\u30c6\u30e0\u306b\u30d7\u30e9\u30b0\u30a2\u30f3\u30c9\u30d7\u30ec\u30a4\u306e\u4fdd\u8b77\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b<\/li>\n\n\n\n<li><strong>\u5730\u4e0a\u306e\u690d\u7269<\/strong>:\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u7d50\u5408\u3068\u4fdd\u8b77\u306e\u305f\u3081\u306e\u6a19\u6e96\u69cb\u6210<\/li>\n\n\n\n<li><strong>\u7802\u6f20\u306e\u74b0\u5883<\/strong>:\u4e2d\u6771\u306e\u9ad8\u6e29\u3001\u57c3\u3063\u307d\u3044\u6761\u4ef6\u4e0b\u3067\u306e45\u2103\u306e\u7802\u5439\u304d\u4ed8\u3051\u30c6\u30b9\u30c8\u306b\u5408\u683c<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30b7\u30e7\u30f3\u306e\u5229\u70b9<\/strong>:\\<br><a href=\"http:\/\/cnkuangya.com\/ja\/\">cnkuangya.com<\/a>&#8216;s PV combiner boxes are factory pre-wired and certified, with internal protection devices pre-coordinated, reducing on-site installation errors and ensuring protection system reliability.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30fb\u30b7\u30ca\u30ea\u30aa\u306e\u8a73\u7d30<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b7\u30ca\u30ea\u30aa1\uff1a\u5546\u696d\u7528\u5c4b\u4e0aPV-ESS\u30b7\u30b9\u30c6\u30e0<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/cdn.gooo.ai\/gen-images\/ab3e7fe47c5dcb4460153e03deff9d08ced1053249894c827daca323baac4a32.png\" alt=\"\u5546\u7528PV-ESS\u4fdd\u8b77\u30b7\u30b9\u30c6\u30e0\"\/><\/figure>\n\n\n\n<p><strong>\u30b7\u30b9\u30c6\u30e0\u69cb\u6210<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>100kW\u5c4b\u4e0aPV\u30a2\u30ec\u30a4\uff0b200kWh\u84c4\u96fb\u30b7\u30b9\u30c6\u30e0<\/li>\n\n\n\n<li>20\u30b9\u30c8\u30ea\u30f3\u30b0\u3001\u305d\u308c\u305e\u308c\u306bPV\u30d2\u30e5\u30fc\u30ba\u3068DC MCB\u3092\u88c5\u5099<\/li>\n\n\n\n<li>\u30bf\u30a4\u30d71+2 SPD\u5185\u8535PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b92\u53f0<\/li>\n\n\n\n<li>\u96c6\u4e2d\u30a4\u30f3\u30d0\u30fc\u30bf\uff0b\u96fb\u529b\u5909\u63db\u30b7\u30b9\u30c6\u30e0\uff08PCS\uff09<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u30fb\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30b7\u30e7\u30f3\u30fb\u30b9\u30ad\u30fc\u30e0<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b9\u30c8\u30ea\u30f3\u30b0\u30fb\u30ec\u30d9\u30eb<\/strong>\uff1aPV\u30d2\u30e5\u30fc\u30ba\uff0810A\uff09\u2192\u30b9\u30c8\u30ea\u30f3\u30b0\u77ed\u7d61\u6545\u969c\u3092\u7d20\u65e9\u304f\u906e\u65ad<\/li>\n\n\n\n<li><strong>\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30fb\u30dc\u30c3\u30af\u30b9\u30fb\u30ec\u30d9\u30eb<\/strong>:DC SPD (1500V) + DC MCCB (63A) \u2192 \u30b5\u30fc\u30b8\u4fdd\u8b77\u304a\u3088\u3073\u30b3\u30f3\u30d0\u30a4\u30ca\u30e9\u30a4\u30f3\u4fdd\u8b77<\/li>\n\n\n\n<li><strong>\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u30ec\u30d9\u30eb<\/strong>:\u30e1\u30a4\u30f3DC\u30d6\u30ec\u30fc\u30ab\uff08250A\uff09\u2192\u30a4\u30f3\u30d0\u30fc\u30bfDC\u5165\u529b\u3092\u4fdd\u8b77<\/li>\n\n\n\n<li><strong>ESS\u30ec\u30d9\u30eb<\/strong>:\u30d0\u30c3\u30c6\u30ea\u30fc\u30af\u30e9\u30b9\u30bf\u30fc\u30d2\u30e5\u30fc\u30ba\uff0bBMS\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\uff0bPCS\u30d6\u30ec\u30fc\u30ab\u30fc\u2192\u30de\u30eb\u30c1\u30ec\u30d9\u30eb\u30d0\u30c3\u30c6\u30ea\u30fc\u4fdd\u8b77<\/li>\n\n\n\n<li><strong>AC\u30b0\u30ea\u30c3\u30c9\u63a5\u7d9a\u30ec\u30d9\u30eb<\/strong>:AC\u30d6\u30ec\u30fc\u30ab\u30fc\uff0b\u30a2\u30f3\u30c1\u30a2\u30a4\u30e9\u30f3\u30c9\u4fdd\u8b77 \u2192 AC\u5074\u306e\u5b89\u5168\u6027<\/li>\n<\/ol>\n\n\n\n<p><strong>\u5b9f\u969b\u306e\u7d50\u679c<\/strong>:\\<br>\u3092\u4f7f\u3063\u305f\u30e8\u30fc\u30ed\u30c3\u30d1\u306e\u4f4f\u5b85\u7528\u30b9\u30c8\u30ec\u30fc\u30b8\u30fb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8 <a href=\"http:\/\/cnkuangya.com\/ja\/\">cnkuangya.com<\/a>&#8216;s combiner box solution withstood thunderstorm conditions, with DC SPDs successfully clamping surge voltages while upstream fuses remained intact, enabling continuous system operation and avoiding downtime losses. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b7\u30ca\u30ea\u30aa2\uff1a\u4f4f\u5b85\u7528PV-ESS\u30b7\u30b9\u30c6\u30e0<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/cdn.gooo.ai\/gen-images\/4486b631f2e2daf3046f9846ee109626bc200d82caa3f549ea46aea8ed054764.png\" alt=\"\u4f4f\u5b85\u7528PV-ESS\u4fdd\u8b77\u30b7\u30b9\u30c6\u30e0\"\/><\/figure>\n\n\n\n<p><strong>\u30b7\u30b9\u30c6\u30e0\u69cb\u6210<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>10kW\u5c4b\u4e0a\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0\uff0b15kWh\u5bb6\u5ead\u7528\u84c4\u96fb\u6c60<\/li>\n\n\n\n<li>\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30fb\u30a4\u30f3\u30d0\u30fc\u30bf<\/li>\n\n\n\n<li>\u58c1\u639b\u3051\u30d0\u30c3\u30c6\u30ea\u30fc\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8<\/li>\n\n\n\n<li>\u30b9\u30de\u30fc\u30c8\u30db\u30fc\u30e0\u306e\u8ca0\u8377\u7ba1\u7406<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u30fb\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30b7\u30e7\u30f3\u30fb\u30b9\u30ad\u30fc\u30e0<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>PV\u30b5\u30a4\u30c9<\/strong>:\u5c4b\u4e0aDC\u7d76\u7e01\u30b9\u30a4\u30c3\u30c1 \u2192 PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\uff08SPD+\u30d2\u30e5\u30fc\u30ba\u4ed8\u304d\uff09 \u2192 \u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30a4\u30f3\u30d0\u30fc\u30bf<\/li>\n\n\n\n<li><strong>\u30d0\u30c3\u30c6\u30ea\u30fc\u5074<\/strong>:BMS\u5185\u8535\u4fdd\u8b77\u2192\u30d0\u30c3\u30c6\u30ea\u30fcDC\u30d6\u30ec\u30fc\u30ab\u30fc\u2192\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30fb\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc<\/li>\n\n\n\n<li><strong>\u8ca0\u8377\u5074<\/strong>:\u4ea4\u6d41\u5206\u96fb\u76e4\uff08RCCB\u6f0f\u96fb\u4fdd\u8b77\u4ed8\uff09\u2192\u91cd\u8981\u8ca0\u8377\u30fb\u4e00\u822c\u8ca0\u8377\u56de\u8def<\/li>\n\n\n\n<li><strong>\u63a5\u5730\u30b7\u30b9\u30c6\u30e0<\/strong>:\u5b8c\u5168\u306aPE\u63a5\u5730\uff0b\u7b49\u96fb\u4f4d\u30dc\u30f3\u30c7\u30a3\u30f3\u30b0<\/li>\n<\/ol>\n\n\n\n<p><strong>\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u6a5f\u80fd<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u81ea\u52d5\u505c\u96fb\u5207\u308a\u66ff\u3048<\/strong>:\u9001\u96fb\u7db2\u306e\u6545\u969c\u6642\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u81ea\u52d5\u7684\u306b\u30d0\u30c3\u30c6\u30ea\u30fc\u96fb\u6e90\u306b\u5207\u308a\u66ff\u308f\u308a\u3001\u91cd\u8981\u306a\u8ca0\u8377\u3092\u4fdd\u8b77\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u904e\u5145\u96fb\/\u904e\u653e\u96fb\u4fdd\u8b77<\/strong>:BMS\u304c\u30a4\u30f3\u30d0\u30fc\u30bf\u3068\u5354\u8abf\u3057\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u306e\u640d\u50b7\u3092\u9632\u3050<\/li>\n\n\n\n<li><strong>\u6f0f\u96fb\u4fdd\u8b77<\/strong>:RCCB\u304c\u5bb6\u5ead\u306e\u96fb\u6c17\u5b89\u5168\u3092\u5b88\u308b<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2025-2026 Google\u30c8\u30ec\u30f3\u30c9\u30ad\u30fc\u30ef\u30fc\u30c9\u5206\u6790<\/h2>\n\n\n\n<p>\u6700\u65b0\u306e\u696d\u754c\u52d5\u5411\u3068\u691c\u7d22\u30c7\u30fc\u30bf\u306b\u57fa\u3065\u304d\u3001PV-ESS\u4fdd\u8b77\u5206\u91ce\u306b\u304a\u3051\u308b\u30c8\u30ec\u30f3\u30c9\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30a2\u30fb\u30c6\u30af\u30cb\u30ab\u30eb\u30fb\u30ad\u30fc\u30ef\u30fc\u30c9<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30ad\u30fc\u30ef\u30fc\u30c9<\/th><th>\u691c\u7d22\u30c8\u30ec\u30f3\u30c9<\/th><th>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30a8\u30ea\u30a2<\/th><\/tr><\/thead><tbody><tr><td><strong>PV ESS\u306e\u4fdd\u8b77\u8abf\u6574<\/strong><\/td><td>\u2191 45%<\/td><td>\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u3001\u4fdd\u8b77\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/td><\/tr><tr><td><strong>\u5358\u4e00\u70b9\u6545\u969c\u9632\u6b62<\/strong><\/td><td>\u2191 38%<\/td><td>\u4fe1\u983c\u6027\u8a2d\u8a08\u3001\u5197\u9577\u69cb\u6210<\/td><\/tr><tr><td><strong>\u76f4\u6d41\u30b5\u30fc\u30b8\u4fdd\u8b77\u30bd\u30fc\u30e9\u30fc<\/strong><\/td><td>\u2191 52%<\/td><td>\u96f7\u4fdd\u8b77\u3001\u30b5\u30fc\u30b8\u4fdd\u8b77<\/td><\/tr><tr><td><strong>\u84c4\u96fb\u6c60\u306e\u5b89\u5168\u6027<\/strong><\/td><td>\u2191 67%<\/td><td>\u30a8\u30cd\u30eb\u30ae\u30fc\u8caf\u8535\u306e\u5b89\u5168\u6027\u3001\u6d88\u9632\u6cd5<\/td><\/tr><tr><td><strong>\u7cfb\u7d71\u9023\u7cfb\u30a4\u30f3\u30d0\u30fc\u30bf<\/strong><\/td><td>\u2191 89%<\/td><td>\u9ad8\u5ea6\u306a\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u6280\u8853<\/td><\/tr><tr><td><strong>\u592a\u967d\u7d76\u7e01\u6545\u969c<\/strong><\/td><td>\u2191 41%<\/td><td>\u6545\u969c\u8a3a\u65ad\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/td><\/tr><tr><td><strong>\u76f4\u6d41\u906e\u65ad\u5668 1500V<\/strong><\/td><td>\u2191 35%<\/td><td>\u9ad8\u96fb\u5727DC\u4fdd\u8b77<\/td><\/tr><tr><td><strong>PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u4fdd\u8b77<\/strong><\/td><td>\u2191 29%<\/td><td>\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30fb\u30dc\u30c3\u30af\u30b9\u306e\u8a2d\u8a08<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u898f\u683c\u3068\u30b3\u30fc\u30c9 \u30ad\u30fc\u30ef\u30fc\u30c9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>NFPA 855\u30a8\u30cd\u30eb\u30ae\u30fc\u8caf\u8535<\/strong> (\u84c4\u96fb\u30b7\u30b9\u30c6\u30e0\u8a2d\u7f6e\u57fa\u6e96\uff09<\/li>\n\n\n\n<li><strong>IEC 61643-31 DC SPD<\/strong> (\u76f4\u6d41\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\u898f\u683c\uff09<\/li>\n\n\n\n<li><strong>IEC 60269-6 gPV \u30d2\u30e5\u30fc\u30ba<\/strong> (\u592a\u967d\u96fb\u6c60\u30d2\u30e5\u30fc\u30ba\u898f\u683c\uff09<\/li>\n\n\n\n<li><strong>NEC690\u6761\u30bd\u30fc\u30e9\u30fc<\/strong> (US National Electrical Code &#8211; PV systems)<\/li>\n\n\n\n<li><strong>UL 9540 ESS\u8a8d\u8a3c<\/strong> (\u84c4\u96fb\u30b7\u30b9\u30c6\u30e0\u8a8d\u8a3c\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u65b0\u305f\u306a\u30c8\u30ec\u30f3\u30c9\u30ad\u30fc\u30ef\u30fc\u30c9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>AI\u306b\u3088\u308bESS\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/strong> (AI\u306b\u3088\u308b\u84c4\u96fb\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\uff09<\/li>\n\n\n\n<li><strong>V2H\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3<\/strong> (\u8eca\u304b\u3089\u5bb6\u3078\u306e\u4fdd\u8b77)<\/li>\n\n\n\n<li><strong>\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30fb\u30bd\u30fc\u30e9\u30fc\u30fb\u30b9\u30c8\u30ec\u30fc\u30b8\u30fb\u30b7\u30b9\u30c6\u30e0<\/strong> (\u592a\u967d\u5149\u767a\u96fb\u3068\u84c4\u96fb\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30b7\u30b9\u30c6\u30e0\uff09<\/li>\n\n\n\n<li><strong>\u5206\u6563\u5354\u8abf\u5236\u5fa1<\/strong> (\u5206\u6563\u5354\u8abf\u5236\u5fa1\uff09<\/li>\n\n\n\n<li><strong>\u30ab\u30b9\u30b1\u30fc\u30c9\u6545\u969c\u9632\u6b62<\/strong> (\u30ab\u30b9\u30b1\u30fc\u30c9\u6545\u969c\u9632\u6b62\uff09<\/li>\n<\/ul>\n\n\n\n<p>These keywords reflect the industry&#8217;s continued focus on system safety, intelligence, and standardization, highlighting the critical importance of professional protection equipment in modern PV-ESS systems. <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u30fb\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30b7\u30e7\u30f3\u30fb\u30c7\u30b6\u30a4\u30f3\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1.\u9078\u629e\u7684\u4fdd\u8b77\u306e\u539f\u7406<\/h3>\n\n\n\n<p>\u6545\u969c\u306f\u3001\u6700\u5c0f\u9650\u306e\u6a5f\u5668\u7bc4\u56f2\u306e\u307f\u3092\u5207\u308a\u96e2\u3059\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6642\u9593\u9078\u629e\u6027<\/strong>:\u4e0a\u4f4d\u304a\u3088\u3073\u4e0b\u4f4d\u306e\u4fdd\u8b77\u88c5\u7f6e\u306f\u30010.3\uff5e0.5\u79d2\u306e\u6642\u9593\u5f01\u5225\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002<\/li>\n\n\n\n<li><strong>\u96fb\u6d41\u9078\u629e\u6027<\/strong>:\u4e0a\u4f4d\u4fdd\u8b77\u88c5\u7f6e\u306e\u52d5\u4f5c\u96fb\u6d41\u306f\u3001\u4e0b\u4f4d\u4fdd\u8b77\u88c5\u7f6e\u306e1.5\uff5e2\u500d\u3068\u3059\u308b\u3002<\/li>\n\n\n\n<li><strong>\u30a8\u30cd\u30eb\u30ae\u30fc\u9078\u629e\u6027<\/strong>:\u30d2\u30e5\u30fc\u30baI\u00b2t\u5024\u306f\u3001\u4e0a\u6d41\u5074\u30d6\u30ec\u30fc\u30ab\u306e\u6eb6\u65ad\u30a8\u30cd\u30eb\u30ae\u30fc\u3088\u308a\u5c0f\u3055\u304f\u3059\u308b\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2.\u30de\u30eb\u30c1\u30ec\u30d9\u30eb\u4fdd\u8b77\u6226\u7565<\/h3>\n\n\n\n<p>\u5fb9\u5e95\u3057\u305f\u9632\u5fa1\u3092\u69cb\u7bc9\u3059\u308b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d5\u30a1\u30fc\u30b9\u30c8\u30ec\u30d9\u30eb<\/strong>: String fuses &#8211; Rapidly cut off string faults<\/li>\n\n\n\n<li><strong>\u30bb\u30ab\u30f3\u30c9\u30ec\u30d9\u30eb<\/strong>: Combiner box breakers &#8211; Protect combiner lines<\/li>\n\n\n\n<li><strong>\u30b5\u30fc\u30c9\u30ec\u30d9\u30eb<\/strong>: Main breakers &#8211; Protect inverters and main equipment<\/li>\n\n\n\n<li><strong>\u7b2c4\u30ec\u30d9\u30eb<\/strong>: Grid connection protection &#8211; Grid interface protection<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">3.\u30b5\u30fc\u30b8\u9632\u8b77\u306e\u8abf\u6574<\/h3>\n\n\n\n<p>\u904e\u96fb\u6d41\u4fdd\u8b77\u3068\u306eSPD\u8abf\u6574\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SPD\u6700\u5927\u9023\u7d9a\u52d5\u4f5c\u96fb\u5727\uff08MCOV\uff09\u306f\u30b7\u30b9\u30c6\u30e0\u6700\u5927\u96fb\u5727\u3092\u8d85\u3048\u308b\u3053\u3068<\/li>\n\n\n\n<li>SPD \u306e\u653e\u96fb\u96fb\u6d41\u5bb9\u91cf\uff08Iimp\/In\uff09\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u96f7\u4fdd\u8b77\u30ec\u30d9\u30eb\u3068\u4e00\u81f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>SPD \u304c\u6545\u969c\u3057\u305f\u5834\u5408\u3001\u4e0a\u6d41\u306e\u4fdd\u8b77\u88c5\u7f6e\u306f\u5b89\u5168\u306b\u5207\u65ad\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4.\u63a5\u5730\u3068\u7b49\u96fb\u4f4d\u30dc\u30f3\u30c7\u30a3\u30f3\u30b0<\/h3>\n\n\n\n<p>\u7dcf\u5408\u7684\u306a\u63a5\u5730\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u4fdd\u8b77\u5354\u8abf\u306e\u57fa\u790e\u3068\u306a\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3059\u3079\u3066\u306e\u91d1\u5c5e\u88fd\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u3068\u53d6\u308a\u4ed8\u3051\u69cb\u9020\u306f\u3001\u78ba\u5b9f\u306b\u63a5\u5730\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/li>\n\n\n\n<li>SPD\u306e\u63a5\u5730\u5c0e\u4f53\u306f\u3067\u304d\u308b\u3060\u3051\u77ed\u304f\uff080.5m\u4ee5\u4e0b\uff09<\/li>\n\n\n\n<li>\u63a5\u5730\u96fb\u4f4d\u5dee\u3092\u4f4e\u6e1b\u3059\u308b\u305f\u3081\u306e\u7b49\u96fb\u4f4d\u30dc\u30f3\u30c7\u30a3\u30f3\u30b0\u306e\u78ba\u7acb<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f\uff08FAQ\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q1: Why does my PV system frequently trigger &#8220;Isolation Fault&#8221; alarms?<\/h3>\n\n\n\n<p><strong>A<\/strong>:\u7d76\u7e01\u4e0d\u826f\u306fPV\u30b7\u30b9\u30c6\u30e0\u3067\u6700\u3082\u4e00\u822c\u7684\u306a\u554f\u984c\u306e\u3072\u3068\u3064\u3067\u3001\u6545\u969c\u30a2\u30e9\u30fc\u30e0\u306e80%\u4ee5\u4e0a\u3092\u5360\u3081\u3066\u3044\u308b\u3002\u4e3b\u306a\u539f\u56e0\u306f\u4ee5\u4e0b\u306e\u901a\u308a\uff1a<\/p>\n\n\n\n<p><strong>\u74b0\u5883\u8981\u56e0<\/strong> (60%):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u96e8\u5929\u6642\u3084\u65e9\u671d\u306e\u6e7f\u5ea6\u4e0a\u6607\u306fPV\u30b7\u30b9\u30c6\u30e0\u306e\u63a5\u5730\u62b5\u6297\u3092\u4f4e\u4e0b\u3055\u305b\u308b<\/li>\n\n\n\n<li>PV+\u307e\u305f\u306fPV-\u306e\u5bfe\u5730\u7d76\u7e01\u62b5\u6297\u304c\u4f4e\u3059\u304e\u308b\u3068\u3001\u30a4\u30f3\u30d0\u30fc\u30bf\u306f\u81ea\u52d5\u7684\u306b\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3057\u3001\u4fdd\u8b77\u30e2\u30fc\u30c9\u306b\u5165\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30b7\u30b9\u30c6\u30e0\u8981\u56e0<\/strong> (30%):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u3084\u30b8\u30e3\u30f3\u30af\u30b7\u30e7\u30f3\u30fb\u30dc\u30c3\u30af\u30b9\u306e\u5bc6\u9589\u4e0d\u826f\u306b\u3088\u308b\u6e7f\u6c17\u306e\u4fb5\u5165<\/li>\n\n\n\n<li>\u30b1\u30fc\u30d6\u30eb\u7d76\u7e01\u5c64\u306e\u8001\u673d\u5316\u307e\u305f\u306f\u640d\u50b7<\/li>\n\n\n\n<li>\u4e0d\u9069\u5207\u306a\u63a5\u5730\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u8a08<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4e88\u9632\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b8\u30e3\u30f3\u30af\u30b7\u30e7\u30f3\u30dc\u30c3\u30af\u30b9\u306e\u30b7\u30fc\u30ea\u30f3\u30b0\u306e\u5b8c\u5168\u6027\u3092\u5b9a\u671f\u7684\u306b\u70b9\u691c\u3059\u308b\u3053\u3068<\/li>\n\n\n\n<li>\u7528\u9014 <a href=\"http:\/\/cnkuangya.com\/ja\/\">cnkuangya.com<\/a>&#8216;s IP65-rated combiner boxes<\/li>\n\n\n\n<li>\u30b1\u30fc\u30d6\u30eb\u304c PV \u5c02\u7528\u898f\u683c\u306b\u9069\u5408\u3057\u305f\u4e8c\u91cd\u7d76\u7e01\u3067\u3042\u308b\u3053\u3068<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b7\u30b9\u30c6\u30e0\u306e\u6700\u9069\u5316<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a4\u30f3\u30d0\u30fc\u30bf\u306e\u7d76\u7e01\u691c\u51fa\u3057\u304d\u3044\u5024\u306e\u8abf\u6574\uff08\u5c02\u9580\u5bb6\u304c\u5fc5\u8981\uff09<\/li>\n\n\n\n<li>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u62b5\u6297\u5024\u3092\u76e3\u8996\u3059\u308b\u7d76\u7e01\u76e3\u8996\u88c5\u7f6e\u306e\u8a2d\u7f6e<\/li>\n\n\n\n<li>\u6f0f\u308c\u96fb\u6d41\u3092\u6e1b\u3089\u3059\u305f\u3081\u306b\u63a5\u5730\u30b7\u30b9\u30c6\u30e0\u3092\u6539\u5584\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7dca\u6025\u5bfe\u5fdc<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u96e8\u5929\u6642\u306e\u6545\u969c\u306f\u901a\u5e38\u3001\u6674\u5929\u5f8c\u306b\u81ea\u52d5\u5fa9\u65e7\u3059\u308b<\/li>\n\n\n\n<li>\u6301\u7d9a\u7684\u306a\u6545\u969c\u306b\u3064\u3044\u3066\u306f\u3001\u30e1\u30b0\u30aa\u30fc\u30e0\u8a08\u3092\u4f7f\u7528\u3057\u3066\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u30c6\u30b9\u30c8\u3057\u3001\u6545\u969c\u7b87\u6240\u3092\u7279\u5b9a\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u640d\u50b7\u3057\u305f\u30e2\u30b8\u30e5\u30fc\u30eb\u307e\u305f\u306f\u30b1\u30fc\u30d6\u30eb\u3092\u4ea4\u63db\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p><strong>\u91cd\u8981\u306a\u304a\u77e5\u3089\u305b<\/strong>:\u7d76\u7e01\u4e0d\u826f\u306f\u767a\u96fb\u52b9\u7387\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u611f\u96fb\u306e\u5371\u967a\u6027\u3082\u3042\u308b\u3002\u5b89\u5168\u898f\u5247\u306b\u3088\u308a\u3001\u7d76\u7e01\u4e0d\u826f\u304c\u691c\u51fa\u3055\u308c\u305f\u5834\u5408\u3001\u30a4\u30f3\u30d0\u30fc\u30bf\u306f\u4f5c\u52d5\u3092\u505c\u6b62\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q2: \u76f4\u6d41\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u3068\u76f4\u6d41\u30d2\u30e5\u30fc\u30ba\u306f\u3001\u3069\u306e\u3088\u3046\u306b\u9078\u5b9a\u30fb\u8abf\u6574\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>A<\/strong>:\u76f4\u6d41\u906e\u65ad\u5668\uff08MCCB\uff09\u3068\u76f4\u6d41\u30d2\u30e5\u30fc\u30ba\u306f\u3001PV-ESS\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u7570\u306a\u308b\u5f79\u5272\u3092\u679c\u305f\u3059\u3002\u9069\u5207\u306a\u9078\u629e\u3068\u5354\u8abf\u304c\u4fdd\u8b77\u5354\u8abf\u306e\u9375\u3068\u306a\u308b\u3002.<\/p>\n\n\n\n<p><strong>\u6a5f\u80fd\u6bd4\u8f03<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u5fb4<\/th><th>DC\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\uff08MCCB\uff09<\/th><th>DC\u30d2\u30e5\u30fc\u30ba\uff08PV\u30d2\u30e5\u30fc\u30ba\uff09<\/th><\/tr><\/thead><tbody><tr><td><strong>\u4fdd\u8b77\u30bf\u30a4\u30d7<\/strong><\/td><td>\u904e\u8ca0\u8377\uff0b\u77ed\u7d61<\/td><td>\u4e3b\u306b\u77ed\u7d61<\/td><\/tr><tr><td><strong>\u5fdc\u7b54\u901f\u5ea6<\/strong><\/td><td>\u9045\u3044\uff08ms\u30ec\u30d9\u30eb\uff09<\/td><td>\u6975\u3081\u3066\u901f\u3044\uff08\u03bcs\u30ec\u30d9\u30eb\uff09<\/td><\/tr><tr><td><strong>\u518d\u5229\u7528\u53ef\u80fd<\/strong><\/td><td>\u3042\u308a\uff08\u30ea\u30bb\u30c3\u30c8\u53ef\u80fd\uff09<\/td><td>\u306a\u3057\uff08\u4ea4\u63db\u304c\u5fc5\u8981\uff09<\/td><\/tr><tr><td><strong>\u30b3\u30b9\u30c8<\/strong><\/td><td>\u3088\u308a\u9ad8\u3044<\/td><td>\u3088\u308a\u4f4e\u3044<\/td><\/tr><tr><td><strong>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/strong><\/td><td>\u4fbf\u5229<\/td><td>\u30b9\u30da\u30a2\u30d1\u30fc\u30c4\u304c\u5fc5\u8981<\/td><\/tr><tr><td><strong>\u9078\u629e\u6027<\/strong><\/td><td>\u8abf\u7bc0\u53ef\u80fd<\/td><td>\u56fa\u5b9a\u7279\u6027<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u8abf\u6574\u6226\u7565<\/strong>:<\/p>\n\n\n\n<p><strong>\u30aa\u30d7\u30b7\u30e7\u30f31\uff1a\u30d2\u30e5\u30fc\u30ba\uff0b\u30d6\u30ec\u30fc\u30ab\u30fc\uff08\u5927\u898f\u6a21\u30b7\u30b9\u30c6\u30e0\u306b\u63a8\u5968\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b9\u30c8\u30ea\u30f3\u30b0\u30fb\u30ec\u30d9\u30eb<\/strong>: gPV fuse (1-10A) &#8211; Rapidly cuts off short circuits<\/li>\n\n\n\n<li><strong>\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30fb\u30dc\u30c3\u30af\u30b9\u30fb\u30ec\u30d9\u30eb<\/strong>: DC MCCB (16-63A) &#8211; Overload protection and maintenance isolation<\/li>\n\n\n\n<li><strong>\u30e1\u30ea\u30c3\u30c8<\/strong>:\u4e8c\u91cd\u4fdd\u8b77\u3001\u826f\u597d\u306a\u9078\u629e\u6027\u3001\u67d4\u8edf\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30aa\u30d7\u30b7\u30e7\u30f32\uff1a\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u307f\uff08\u5c0f\u898f\u6a21\u30b7\u30b9\u30c6\u30e0\u306b\u6700\u9069\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b9\u30c8\u30ea\u30f3\u30b0\u30fb\u30ec\u30d9\u30eb<\/strong>:\u5c0f\u578bDC MCB (10-16A)<\/li>\n\n\n\n<li><strong>\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30fb\u30dc\u30c3\u30af\u30b9\u30fb\u30ec\u30d9\u30eb<\/strong>:DC MCCB (32-63A)<\/li>\n\n\n\n<li><strong>\u30e1\u30ea\u30c3\u30c8<\/strong>:\u30ea\u30bb\u30c3\u30c8\u53ef\u80fd\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u7c21\u5358\u3001\u521d\u671f\u6295\u8cc7\u304c\u9ad8\u3044<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30aa\u30d7\u30b7\u30e7\u30f33\uff1a\u30d2\u30e5\u30fc\u30ba\u306e\u307f\uff08\u30a8\u30b3\u30ce\u30df\u30fc\u30fb\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b9\u30c8\u30ea\u30f3\u30b0\u30fb\u30ec\u30d9\u30eb<\/strong>gPV\u30d2\u30e5\u30fc\u30ba<\/li>\n\n\n\n<li><strong>\u30e1\u30a4\u30f3\u30b5\u30fc\u30ad\u30c3\u30c8<\/strong>:\u5927\u5bb9\u91cf\u30d2\u30e5\u30fc\u30ba\u307e\u305f\u306f\u7d76\u7e01\u30b9\u30a4\u30c3\u30c1<\/li>\n\n\n\n<li><strong>\u30e1\u30ea\u30c3\u30c8<\/strong>:\u6700\u3082\u4f4e\u30b3\u30b9\u30c8\u3060\u304c\u3001\u904e\u8ca0\u8377\u4fdd\u8b77\u306b\u6b20\u3051\u308b<\/li>\n<\/ul>\n\n\n\n<p><a href=\"http:\/\/cnkuangya.com\/ja\/\"><strong>cnkuangya.com<\/strong><\/a>** \u63a8\u5968\u69cb\u6210<\/p>\n\n\n\n<p>1500V\u30b7\u30b9\u30c6\u30e0\u7528\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b9\u30c8\u30ea\u30f3\u30b0\u4fdd\u8b77<\/strong>\u30d2\u30e5\u30fc\u30ba\uff1aPV14\u00d785\uff08\u30b9\u30c8\u30ea\u30f3\u30b0\u96fb\u6d41\u306b\u3088\u308a1\uff5e15A\u3092\u9078\u629e\uff09<\/li>\n\n\n\n<li><strong>\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u51fa\u529b<\/strong>:KYDB-63\u30b7\u30ea\u30fc\u30ba DC MCCB (32-63A)<\/li>\n\n\n\n<li><strong>\u30e1\u30a4\u30f3\u30b5\u30fc\u30ad\u30c3\u30c8<\/strong>:\u5927\u5bb9\u91cfDC\u7d76\u7e01\u30b9\u30a4\u30c3\u30c1(125-630A)<\/li>\n<\/ul>\n\n\n\n<p><strong>\u9078\u8003\u306e\u30dd\u30a4\u30f3\u30c8<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d2\u30e5\u30fc\u30ba\u306e\u9078\u629e<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9a\u683c\u96fb\u6d41\uff1d\u5f26\u77ed\u7d61\u96fb\u6d41\u00d71.5<\/li>\n\n\n\n<li>Breaking capacity > System maximum short-circuit current<\/li>\n\n\n\n<li>PV\u30bf\u30a4\u30d7\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\uff08PV\u5c02\u7528\uff09<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d6\u30ec\u30fc\u30ab\u30fc\u306e\u9078\u629e<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9a\u683c\u96fb\u6d41\uff1d\u30e9\u30a4\u30f3\u8a08\u7b97\u96fb\u6d41\u00d71.25<\/li>\n\n\n\n<li>\u5b9a\u683c\u96fb\u5727 \u2265 \u30b7\u30b9\u30c6\u30e0\u6700\u5927\u96fb\u5727 (1000V\/1500V)<\/li>\n\n\n\n<li>\u76f4\u6d41\u906e\u65ad\u80fd\u529b\u306f\u30b7\u30b9\u30c6\u30e0\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3053\u3068<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30b7\u30e7\u30f3<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d2\u30e5\u30fc\u30baI\u00b2t\u5024 &lt; \u30d6\u30ec\u30fc\u30ab\u30fc\u8cab\u901a\u30a8\u30cd\u30eb\u30ae\u30fc<\/li>\n\n\n\n<li>\u77ed\u7d61\u6642\u306b\u30d6\u30ec\u30fc\u30ab\u30fc\u3088\u308a\u5148\u306b\u30d2\u30e5\u30fc\u30ba\u304c\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068<\/li>\n\n\n\n<li>\u904e\u8ca0\u8377\u6642\u3001\u30d2\u30e5\u30fc\u30ba\u306f\u305d\u306e\u307e\u307e\u3067\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u843d\u3061\u308b<\/li>\n<\/ul>\n\n\n\n<p><strong>\u5b9f\u969b\u306e\u30b1\u30fc\u30b9<\/strong>:\\<br>\u30a4\u30f3\u30c9\u306eESS\u30d7\u30ed\u30b8\u30a7\u30af\u30c8 <a href=\"http:\/\/cnkuangya.com\/ja\/\">cnkuangya.com<\/a>&#8216;s gPV 14\u00d785 fuse and KYDB-63 DC MCCB combination maintained stable voltage drop and temperature rise at 250-400A loads, with replaceable module design making maintenance simple and efficient.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6<\/h2>\n\n\n\n<p>PV-ESS\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u4fdd\u8b77\u8abf\u6574\u306f\u3001\u8a2d\u8a08\u304b\u3089\u9078\u5b9a\u3001\u8a2d\u7f6e\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306b\u81f3\u308b\u307e\u3067\u3001\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u5168\u4f53\u3092\u7ba1\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u4f53\u7cfb\u7684\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u53d6\u308a\u7d44\u307f\u3067\u3059\u3002\u306e\u5c02\u9580\u7684\u306a\u96fb\u6c17\u4fdd\u8b77\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067 <a href=\"http:\/\/cnkuangya.com\/ja\/\">cnkuangya.com<\/a> \u79d1\u5b66\u7684\u306a\u4fdd\u8b77\u5354\u8abf\u6226\u7565\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u5358\u4e00\u70b9\u6545\u969c\u306e\u4f1d\u64ad\u3092\u52b9\u679c\u7684\u306b\u9632\u6b62\u3057\u3001\u5b89\u5168\u3067\u5b89\u5b9a\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u904b\u7528\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/p>\n\n\n\n<p><strong>\u8981\u70b9<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u2705 <strong>\u30de\u30eb\u30c1\u30ec\u30d9\u30eb\u30fb\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3<\/strong>:\u30b9\u30c8\u30ea\u30f3\u30b0-\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9-\u30a4\u30f3\u30d0\u30fc\u30bf-\u30b0\u30ea\u30c3\u30c9\u306e\u63a5\u7d9a\u304b\u3089\u591a\u5c64\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b<\/li>\n\n\n\n<li>\u2705 <strong>\u9078\u629e\u7684\u5206\u96e2<\/strong>:\u6545\u969c\u304c\u6700\u5c0f\u9650\u306e\u7bc4\u56f2\u306e\u307f\u3092\u5207\u65ad\u3057\u3001\u6b8b\u308a\u306e\u90e8\u5206\u306f\u52d5\u4f5c\u3092\u7d99\u7d9a\u3059\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u2705 <strong>\u30b5\u30fc\u30b8\u4fdd\u8b77<\/strong>:\u904e\u96fb\u6d41\u4fdd\u8b77\u3068\u9023\u643a\u3057\u305f\u30bf\u30a4\u30d71+2\u306eDC SPD\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u2705 <strong>\u6a19\u6e96\u5316\u3055\u308c\u305f\u30c7\u30b6\u30a4\u30f3<\/strong>:IEC\u3001NFPA\u306e\u56fd\u969b\u898f\u683c\u306b\u6e96\u62e0\u3057\u3001\u8a8d\u8a3c\u3055\u308c\u305f\u88fd\u54c1\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u2705 <strong>\u4e88\u9632\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/strong>:\u4fdd\u8b77\u88c5\u7f6e\u3092\u5b9a\u671f\u7684\u306b\u70b9\u691c\u3057\u3001\u8001\u673d\u5316\u3057\u305f\u90e8\u54c1\u3092\u9069\u6642\u306b\u4ea4\u63db\u3059\u308b\u3002<\/li>\n<\/ol>\n\n\n\n<p>PV-ESS\u30b7\u30b9\u30c6\u30e0\u306e\u9ad8\u96fb\u5727\u5316\uff081500V\uff09\u3001\u5927\u5bb9\u91cf\u5316\u3001AI\u3092\u6d3b\u7528\u3057\u305f\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30c8\u76e3\u8996\u6280\u8853\u3078\u306e\u9032\u5316\u306b\u4f34\u3044\u3001\u4fdd\u8b77\u5354\u8abf\u306f\u307e\u3059\u307e\u3059\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30c8\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u3082\u306e\u306b\u306a\u3063\u3066\u3044\u304d\u307e\u3059\u300225\u5e74\u306e\u696d\u754c\u7d4c\u9a13\u3068500\u793e\u4ee5\u4e0a\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u9867\u5ba2\u304b\u3089\u306e\u4fe1\u983c\u3001, <a href=\"http:\/\/cnkuangya.com\/ja\/\">cnkuangya.com<\/a> \u306f\u3001\u518d\u751f\u53ef\u80fd\u30a8\u30cd\u30eb\u30ae\u30fc\u7523\u696d\u5411\u3051\u306b\u5b89\u5168\u3067\u52b9\u7387\u7684\u306a\u96fb\u6c17\u4fdd\u8b77\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u4eca\u3059\u3050\u884c\u52d5\u3092\u8d77\u3053\u305d\u3046<\/strong>:\u8a2a\u554f <a href=\"https:\/\/cnkuangya.com\/ja\/\">cnkuangya.com<\/a> \u5c02\u9580\u7684\u306aPV-ESS\u4fdd\u8b77\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u3054\u76f8\u8ac7\u3068\u88fd\u54c1\u9078\u629e\u306e\u30b5\u30dd\u30fc\u30c8\u306f\u3053\u3061\u3089\u3002.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u8003\u6587\u732e<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IEC 61643-31\uff1a\u76f4\u6d41\u30b5\u30fc\u30b8\u4fdd\u8b77\u88c5\u7f6e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u898f\u683c<\/li>\n\n\n\n<li>IEC 60269-6\uff1a\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0\u30d2\u30e5\u30fc\u30ba\u898f\u683c<\/li>\n\n\n\n<li>NFPA 855\uff1a\u84c4\u96fb\u30b7\u30b9\u30c6\u30e0\u8a2d\u7f6e\u57fa\u6e96<\/li>\n\n\n\n<li>NEC\u7b2c690\u6761\u304a\u3088\u3073\u7b2c706\u6761\uff1a\u7c73\u56fd\u306e\u592a\u967d\u5149\u767a\u96fb\u304a\u3088\u3073\u84c4\u96fb\u306b\u95a2\u3059\u308b\u96fb\u6c17\u898f\u683c<\/li>\n\n\n\n<li><a href=\"http:\/\/cnkuangya.com\/ja\/\">cnkuangya.com<\/a> \u30c6\u30af\u30cb\u30ab\u30eb\u30fb\u30d6\u30ed\u30b0 <a href=\"https:\/\/cnkuangya.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/dc-circuit-breaker-vs-dc-fuse\/\">\u76f4\u6d41\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u3068\u76f4\u6d41\u30d2\u30e5\u30fc\u30ba\u306e\u6bd4\u8f03<\/a><\/li>\n\n\n\n<li><a href=\"http:\/\/cnkuangya.com\/ja\/\">cnkuangya.com<\/a> \u30c6\u30af\u30cb\u30ab\u30eb\u30fb\u30d6\u30ed\u30b0 <a href=\"https:\/\/cnkuangya.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/why-every-pv-string-needs-surge-protection\/\">\u3059\u3079\u3066\u306ePV\u30b9\u30c8\u30ea\u30f3\u30b0\u306b\u30b5\u30fc\u30b8\u4fdd\u8b77\u304c\u5fc5\u8981\u306a\u7406\u7531<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><em>\u3053\u306e\u8a18\u4e8b\u306f <a href=\"http:\/\/cnkuangya.com\/ja\/\">cnkuangya.com<\/a> \u6700\u65b0\u306e\u696d\u754c\u6a19\u6e96\u3068\u5b9f\u8df5\u7684\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u7d4c\u9a13\u306b\u57fa\u3065\u304f\u6280\u8853\u30c1\u30fc\u30e0\u3002\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u4fdd\u8b77\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u306f\u3001\u5f53\u793e\u306e\u6280\u8853\u30b5\u30dd\u30fc\u30c8\u30c1\u30fc\u30e0\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002.<\/em><\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction ESS today&#8217;s rapidly evolving solar-plus-storage landscape, the risk of single-point failures bringing down entire power plants has become increasingly prominent. According to recent industry data, over 80% of PV-ESS system failures stem from inadequate protection coordination, with the vast majority being preventable through proper electrical protection design. Distributed coordination schemes, compared to centralized control, significantly reduce single-point failure risks and ensure systems maintain operation even during localized faults. This article explores how professional electrical components from cnkuangya.com enable the construction of multi-layered, coordinated protection systems that effectively prevent fault propagation and ensure safe, stable operation of PV-ESS power plants. Why Is Protection Coordination So Critical? The Cascade Effect of [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":2588,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[],"class_list":["post-2587","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-surge-protection-lightning-safety"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/posts\/2587","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=2587"}],"version-history":[{"count":1,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/posts\/2587\/revisions"}],"predecessor-version":[{"id":2589,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/posts\/2587\/revisions\/2589"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/media\/2588"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/media?parent=2587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/categories?post=2587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/tags?post=2587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}