{"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\/ko\/blog\/why-every-pv-string-needs-surge-protection\/","title":{"rendered":"\ubaa8\ub4e0 \ud0dc\uc591\uad11 \ubc1c\uc804 \uc2a4\ud2b8\ub9c1\uc5d0 \uc11c\uc9c0 \ubcf4\ud638\uac00 \ud544\uc694\ud55c \uc774\uc720"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\uc608\ubc29\ud560 \uc218 \uc788\uc5c8\ub358 $47,000\ubc88\uc758 \ub099\ub8b0 \uc0ac\uace0<\/h2>\n\n\n\n<p>7\uc6d4\uc758 \uc5b4\ub290 \ud654\uc694\uc77c \uc544\uce68, \uc560\ub9ac\uc870\ub098\uc5d0 \uc788\ub294 500kW \uc0c1\uc5c5\uc6a9 \ud0dc\uc591\uad11 \uc124\ube44\uc758 \uc720\uc9c0\ubcf4\uc218 \ud300\uc774 \ub450\ub824\uc6c0\uc5d0 \ub5a8\ub358 \uc804\ud654\ub97c \ubc1b\uc558\uc2b5\ub2c8\ub2e4. \ubc24\uc0c8 \uc2ec\ud55c \ub1cc\uc6b0\uac00 \uc9c0\ub098\uac14\uace0 \uc778\ubc84\ud130\uac00 \uc624\ud504\ub77c\uc778 \uc0c1\ud0dc\uac00 \ub418\uc5c8\ub2e4\ub294 \uac83\uc774\uc5c8\uc2b5\ub2c8\ub2e4. \ud604\uc7a5\uc5d0 \ub3c4\ucc29\ud55c \uae30\uc220\uc790\ub4e4\uc740 \ub099\ub8b0\uac00 \ubcf4\ud638\ub418\uc9c0 \uc54a\uc740 \ud0dc\uc591\uad11 \uc804\uc120\uc744 \ud1b5\uacfc\ud558\uc5ec \uc778\ubc84\ud130 3\ub300\uac00 \ud30c\uc190\ub418\uace0 \ud0dc\uc591\uad11 \ubaa8\ub4c8 24\uac1c\uac00 \uc190\uc0c1\ub418\uc5c8\uc73c\uba70 \ubaa8\ub2c8\ud130\ub9c1 \uc2dc\uc2a4\ud15c\uc774 \uc190\uc0c1\ub41c \uac83\uc744 \ubc1c\uacac\ud588\uc2b5\ub2c8\ub2e4. \ucd1d \uc218\ub9ac \ube44\uc6a9\uc740 \uc5bc\ub9c8\uc600\ub098\uc694? $47,000. \uc2dc\uc2a4\ud15c \uac00\ub3d9 \uc911\ub2e8 \uc2dc\uac04\uc740? 3\uc8fc. \uc608\uc0b0\uc744 \uc808\uc57d\ud558\uae30 \uc704\ud574 \uc124\uce58 \uacfc\uc815\uc5d0\uc11c \uc0dd\ub7b5\ud588\ub358 \uc801\uc808\ud55c \ud0dc\uc591\uad11 \uc2a4\ud2b8\ub9c1 \uc11c\uc9c0 \ubcf4\ud638\uc758 \ube44\uc6a9\uc740? $2,000 \ubbf8\ub9cc.<\/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\">\uc228\uaca8\uc9c4 \ucde8\uc57d\uc810 <a href=\"https:\/\/cnkuangya.com\/ko\/pv-combiner-box\/\">PV \uc2a4\ud2b8\ub9c1<\/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>\ub178\ucd9c \uc99d\uac00<\/strong>: \ud0dc\uc591\uad11 \ud328\ub110\uc740 \uc758\ub3c4\uc801\uc73c\ub85c \ud0dc\uc591\uc5d0 \ucd5c\ub300\ud55c \ub178\ucd9c\ub418\ub294 \uac1c\ubc29\ub41c \ub192\uc740 \uc704\uce58\uc5d0 \uc124\uce58\ub418\ub294\ub370, \uc774\ub294 \ub099\ub8b0\uc5d0 \ucde8\uc57d\ud55c \uad6c\uc870\ubb3c\uc758 \ud2b9\uc9d5\uacfc \uc815\ud655\ud788 \uc77c\uce58\ud569\ub2c8\ub2e4. \uc625\uc0c1 \uc124\uce58\ub294 \uac74\ubb3c\uc5d0\uc11c \uac00\uc7a5 \ub192\uc740 \uc9c0\uc810\uc774 \ub420 \uc218 \uc788\uc9c0\ub9cc, \uc5f4\ub9b0 \ub4e4\ud310\uc758 \uc9c0\uc0c1 \uc124\uce58 \uc5b4\ub808\uc774\ub294 \uc790\uc5f0\uc801\uc778 \ub099\ub8b0 \ubcf4\ud638 \uae30\ub2a5\uc744 \ucd5c\uc18c\ud654\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\uae34 DC \ucf00\uc774\ube14\uc744 \uc548\ud14c\ub098\ub85c \uc0ac\uc6a9<\/strong>: PV \uc2a4\ud2b8\ub9c1\uc744 \uc5f0\uacb0\ud558\ub294 DC \ucf00\uc774\ube14\uc740 \uac70\ub300\ud55c \uc548\ud14c\ub098 \uc5ed\ud560\uc744 \ud558\uc5ec \uadfc\ucc98\uc758 \ub099\ub8b0\ub85c\ubd80\ud130 \uc804\uc790\uae30 \uac04\uc12d\uc744 \ud3ec\ucc29\ud569\ub2c8\ub2e4. \uac04\uc811 \ub099\ub8b0(2km \uc774\ub0b4\uc758 \uc9c0\uba74\uc774\ub098 \uc778\uadfc \uad6c\uc870\ubb3c\uc5d0 \ub5a8\uc5b4\uc9c0\ub294 \ub099\ub8b0)\ub3c4 \ubcf4\ud638\ub418\uc9c0 \uc54a\uc740 \ucf00\uc774\ube14\uc5d0 6,000V\ub97c \ucd08\uacfc\ud558\ub294 \uc804\uc555 \uc11c\uc9c0\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\uc5ec\ub7ec \uc9c4\uc785 \uc9c0\uc810<\/strong>: \ub2e8\uc77c \uc720\ud2f8\ub9ac\ud2f0 \uc5f0\uacb0 \uc9c0\uc810\uc774 \uc788\ub294 \uae30\uc874 \uc804\uae30 \uc2dc\uc2a4\ud15c\uacfc \ub2ec\ub9ac \ud0dc\uc591\uad11 \uc5b4\ub808\uc774\uc5d0\ub294 \uc218\uc2ed \ub610\ub294 \uc218\ubc31 \uac1c\uc758 \uc7a0\uc7ac\uc801\uc778 \uc11c\uc9c0 \uc720\uc785 \uacbd\ub85c\uac00 \uc788\uc73c\uba70, \ubaa8\ub4e0 \uc2a4\ud2b8\ub9c1\uc740 \ud30c\uad34\uc801\uc778 \uc5d0\ub108\uc9c0\uac00 \uac12\ube44\uc2fc \uc778\ubc84\ud130 \uc7a5\ube44\uc5d0 \ub3c4\ub2ec\ud558\ub294 \uacbd\ub85c\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>DC \uc544\ud06c \uc9c0\uc18d\uc131<\/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>\ub9cc\uc57d<\/em>&nbsp;you&#8217;ll experience surge damage, but&nbsp;<em>\uc5b8\uc81c<\/em>.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ubc88\uac1c\uac00 \ud0dc\uc591\uad11 \uc5b4\ub808\uc774\ub97c \uac15\ud0c0\ud558\uba74 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694?<\/h2>\n\n\n\n<p>\ubd80\uc801\uc808\ud55c \ud0dc\uc591\uad11 \uc2a4\ud2b8\ub9c1 \uc11c\uc9c0 \ubcf4\ud638\uc758 \uacb0\uacfc\ub294 \uc989\uac01\uc801\uc778 \uc7a5\ube44 \uc190\uc0c1\uc744 \ud6e8\uc52c \ub6f0\uc5b4\ub118\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc989\uc2dc \uc7a5\ube44 \ud30c\uad34<\/h3>\n\n\n\n<p>\uc11c\uc9c0\uac00 \ubcf4\ud638\ub418\uc9c0 \uc54a\uc740 \ud0dc\uc591\uad11 \uc804\uc120\uc744 \ud1b5\uacfc\ud558\uba74 \uc77c\ubc18\uc801\uc73c\ub85c \uccab \ubc88\uc9f8 \uc0ac\uc0c1\uc790\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc778\ubc84\ud130 \uc785\ub825 \ub2e8\uacc4<\/strong>: IGBT \ubaa8\ub4c8, DC \ub9c1\ud06c \ucee4\ud328\uc2dc\ud130 \ubc0f \uc81c\uc5b4 \ubcf4\ub4dc(\uc218\ub9ac \ube44\uc6a9: \uc778\ubc84\ud130\ub2f9 $5,000-$15,000)<\/li>\n\n\n\n<li><strong>\ud0dc\uc591\uad11 \ubaa8\ub4c8\uc758 \ubc14\uc774\ud328\uc2a4 \ub2e4\uc774\uc624\ub4dc<\/strong>: \ud56b\uc2a4\ud31f \ubc0f \uc601\uad6c\uc801\uc778 \uc804\ub825 \uc190\uc2e4 \ubc1c\uc0dd(\uad50\uccb4 \ube44\uc6a9: \ubaa8\ub4c8\ub2f9 $400-$800)<\/li>\n\n\n\n<li><strong>\ubaa8\ub2c8\ud130\ub9c1 \ubc0f \ud1b5\uc2e0 \uc7a5\ube44<\/strong>: \ub370\uc774\ud130 \ub85c\uac70, \uc13c\uc11c \ubc0f \uc81c\uc5b4 \uc2dc\uc2a4\ud15c($2,000-$8,000)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\uc228\uaca8\uc9c4 \ubaa8\ub4c8 \uc131\ub2a5 \uc800\ud558<\/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\">\uc2dc\uc2a4\ud15c \ub2e4\uc6b4\ud0c0\uc784 \ube44\uc6a9<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\uc2dc\uc2a4\ud15c \ud06c\uae30<\/th><th>\uc77c\uc77c \ud3c9\uade0 \uc0dd\uc0b0 \uac00\uce58<\/th><th>3\uc8fc \ub2e4\uc6b4\ud0c0\uc784 \ube44\uc6a9<\/th><th>\ub9e4\ucd9c \uc190\uc2e4(\uc5f0\uac04 \uc601\ud5a5)<\/th><\/tr><tr><td>100kW \uc0c1\uc5c5\uc6a9<\/td><td>$35-50\/\uc77c<\/td><td>$735-1,050<\/td><td>\uacc4\uc808\ubcc4 \ud328\ud134 \uace0\ub824<\/td><\/tr><tr><td>500kW \uc0b0\uc5c5\uc6a9<\/td><td>$175-250\/\uc77c<\/td><td>$3,675-5,250<\/td><td>\uc218\uc694 \uc694\uae08 \uc704\uc57d\uae08 \ucd94\uac00<\/td><\/tr><tr><td>1MW \uc720\ud2f8\ub9ac\ud2f0 \uaddc\ubaa8<\/td><td>$350-500\/\uc77c<\/td><td>$7,350-10,500<\/td><td>PPA \uc131\ub2a5 \ud328\ub110\ud2f0 \ucd94\uac00<\/td><\/tr><tr><td>5MW \ud0dc\uc591\uad11 \ubc1c\uc804\uc18c<\/td><td>$1,750-2,500\/\uc77c<\/td><td>$36,750-52,500<\/td><td>\uc720\ud2f8\ub9ac\ud2f0 \uacc4\uc57d \uc704\uc57d\uae08 \ucd94\uac00<\/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\">\ubcf4\uc99d \ubb34\ud6a8\ud654 \uc704\ud5d8<\/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\">\ubb38\uc790\uc5f4 \uc218\uc900 \ubcf4\ud638\uac00 \ud611\uc0c1 \ubd88\uac00\ub2a5\ud55c \uc774\uc720<\/h2>\n\n\n\n<p>\ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc744 \ud1b5\uacfc\ud558\ub294 \uc11c\uc9c0 \uacbd\ub85c\ub97c \uc774\ud574\ud558\uba74 \uc5ec\ub7ec \ub2e8\uacc4\uc758 \ubcf4\ud638\uac00 \ud544\uc218\uc801\uc778 \uc774\uc720\ub97c \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4:<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\">\ubcf4\ud638 \uce90\uc2a4\ucf00\uc774\ub4dc \uac1c\ub150<\/h3>\n\n\n\n<p>\ud6a8\uacfc\uc801\uc778 PV \uc2a4\ud2b8\ub9c1 \uc11c\uc9c0 \ubcf4\ud638\ub294 \uac01\uac01 \ud2b9\uc815 \uc704\ud611 \uc218\uc900\uc744 \ucc98\ub9ac\ud558\ub3c4\ub85d \uc124\uacc4\ub41c \uc77c\ub828\uc758 \ubc29\uc5b4 \uc7a5\ubcbd\uc73c\ub85c \uc0dd\uac01\ud558\uba74 \ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<p><strong>1\ucc28 \ubc29\uc5b4\uc120(\ubb38\uc790\uc5f4 \uc218\uc900)<\/strong>: PV \uc5b4\ub808\uc774\uc5d0 \ub610\ub294 \uadf8 \uadfc\ucc98\uc5d0 \uc124\uce58\ub41c \uc720\ud615 2 SPD\ub294 \ucd08\uae30 \uc11c\uc9c0 \uc5d0\ub108\uc9c0\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc7a5\uce58\ub294 \uace0\uc804\uc555 \uacfc\ub3c4 \uc804\ub958\uac00 \uc5d0\ub108\uc9c0\uac00 \ucd95\uc801\ub420 \uc218 \uc788\ub294 \uae34 \ucf00\uc774\ube14\uc744 \ud1b5\ud574 \uc804\ud30c\ub418\uae30 \uc804\uc5d0 \uc774\ub97c \ucc28\ub2e8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\ub450 \ubc88\uc9f8 \ub77c\uc778(\ucef4\ubc14\uc774\ub108 \ubc15\uc2a4)<\/strong>: \ucd94\uac00 \uc720\ud615 2 SPD\ub294 \ubc31\uc5c5 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\uace0 \uc2a4\ud2b8\ub9c1 \ub808\ubca8 \uc7a5\uce58\ub97c \ud1b5\uacfc\ud558\uac70\ub098 \ub2e4\ub978 \uacbd\ub85c\ub97c \ud1b5\ud574 \uc720\uc785\ub41c \uc794\ub958 \uc11c\uc9c0\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\ucd5c\uc885 \ub77c\uc778(\uc778\ubc84\ud130 \uc785\ub825)<\/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>\ud575\uc2ec \uc6d0\uce59: \uac01 \ubcf4\ud638 \ub2e8\uacc4\ub294 \uc801\uc808\ud558\uac8c \uc870\uc815\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uac01 \uc5f0\uc18d \ub2e8\uacc4\uc758 \uc804\uc555 \ubcf4\ud638 \ub808\ubca8(Up)\uc740 \uc810\uc9c4\uc801\uc73c\ub85c \ub0ae\uc544\uc57c \ud558\uba70, \uc7a5\uce58\ub294 \ucd5c\uc18c 10\ubbf8\ud130\uc758 \ucf00\uc774\ube14\ub85c \ubd84\ub9ac\ud558\uac70\ub098 \ub514\ucee4\ud50c\ub9c1 \uc778\ub355\ud130\ub97c \ud1b5\ud574 \uc5f0\uacb0\ud558\uc5ec SPD \uc0c1\ud638 \uc791\uc6a9\uc744 \ubc29\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uaddc\uc815 \uc900\uc218 \ubc0f \ucf54\ub4dc \uc694\uad6c \uc0ac\ud56d<\/h3>\n\n\n\n<p>\ubbf8\uad6d \uc804\uae30 \uaddc\uc815(NEC) 690.35(A) \uc870\ud56d\uc740 PV \uc2dc\uc2a4\ud15c\uc5d0 \ub300\ud55c \uc11c\uc9c0 \ubcf4\ud638\ub97c \uba85\uc2dc\uc801\uc73c\ub85c \uc694\uad6c\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc880 \ub354 \uad6c\uccb4\uc801\uc73c\ub85c \uc124\uba85\ud558\uba74<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac74\ubb3c \uc704\ub098 \uac74\ubb3c\uc5d0 \ubc30\uc120\uc774 \ub178\ucd9c\ub41c \ubaa8\ub4e0 \ud0dc\uc591\uad11 \ubc1c\uc804 \uc2dc\uc2a4\ud15c\uc5d0\ub294 \ubc18\ub4dc\uc2dc SPD\uac00 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>DC PV \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0 SPD\ub97c \ub098\uc5f4\ud558\uace0 \ub77c\ubca8\uc744 \ubd80\ucc29\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>DC \ubc0f AC \uc591\ucabd \ubaa8\ub450\uc5d0\uc11c \ubcf4\ud638\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>IEC 61643-31\uc740 \ud0dc\uc591\uad11 \uc2dc\uc2a4\ud15c\uc5d0\uc11c SPD \uc120\ud0dd \ubc0f \uc124\uce58\ub97c \uc704\ud55c \uad6d\uc81c \ud45c\uc900\uc73c\ub85c, \ud14c\uc2a4\ud2b8 \uc808\ucc28 \ubc0f \ucd5c\uc18c \uc131\ub2a5 \uc694\uad6c \uc0ac\ud56d\uc744 \uba85\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\uc804\ubb38\uac00 \ud301: \ud5c8\uac00 \uac80\ud1a0 \ubc0f \uac80\uc0ac \uc2dc \uc801\uc808\ud55c \uc815\uaca9\uc758 \uc2a4\ud2b8\ub9c1 \ub808\ubca8 SPD\ub97c \uc124\uce58\ud558\uba74 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc2e4\uc0ac\ub97c \uc785\uc99d\ud558\uace0 \uc2b9\uc778 \uc808\ucc28\ub97c \uc2e0\uc18d\ud558\uac8c \uc9c4\ud589\ud560 \uc218 \uc788\uc73c\uba70, \uac80\uc0ac\uad00\uc740 \uc774\ub97c \ud488\uc9c8 \uc124\uce58\uc758 \uc2e0\ud638\ub85c \uac04\uc8fc\ud569\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4\ub2e8\uacc4 \uc120\ud0dd \ubc29\ubc95 <a href=\"https:\/\/cnkuangya.com\/ko\/pv-combiner-box\/\">PV \uc2a4\ud2b8\ub9c1<\/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\">1\ub2e8\uacc4: \ucd5c\ub300 \uc2dc\uc2a4\ud15c \uc804\uc555 \uacc4\uc0b0(Voc \uace0\ub824 \uc0ac\ud56d)<\/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>\uacc4\uc0b0 \uacf5\uc2dd:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Uc(min) = Voc(STC) \u00d7 \uc628\ub3c4 \ubcf4\uc815 \uacc4\uc218 \u00d7 \uc548\uc804 \ub9c8\uc9c4<\/code><\/pre>\n\n\n\n<p><strong>\uc628\ub3c4 \ubcf4\uc815 \uacc4\uc218<\/strong>: \uc77c\ubc18\uc801\uc778 \uacb0\uc815\uc9c8 \uc2e4\ub9ac\ucf58 \ubaa8\ub4c8\uc758 \uacbd\uc6b0 25\u00b0C(STC) \uc774\ud558\ub85c 10\u00b0C \ub0b4\ub824\uac08 \ub54c\ub9c8\ub2e4 Voc\ub294 \u00b0C\ub2f9 \uc57d 0.35~0.40%\uc529 \uc99d\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\uacc4\uc0b0 \uc608\uc2dc:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubaa8\ub4c8 Voc(STC): 49.5V<\/li>\n\n\n\n<li>\ubb38\uc790\uc5f4 \uae38\uc774: 20\uac1c \ubaa8\ub4c8<\/li>\n\n\n\n<li>STC\uc5d0\uc11c Voc: 49.5V \u00d7 20 = 990V<\/li>\n\n\n\n<li>\uc608\uc0c1 \ucd5c\uc800 \uc628\ub3c4: -20\u00b0C<\/li>\n\n\n\n<li>STC\uc640\uc758 \uc628\ub3c4 \ucc28\uc774: 45\u00b0C<\/li>\n\n\n\n<li>\uc804\uc555 \uc99d\uac00: 990V \u00d7 (45\u00b0C \u00d7 0.0035) = 156V<\/li>\n\n\n\n<li>\ucd5c\ub300 Voc: 990V + 156V = 1,146V<\/li>\n\n\n\n<li>15% \uc548\uc804 \ub9c8\uc9c4\uc5d0 \ud544\uc694\ud55c Uc: 1,146V \u00d7 1.15 = =\u00a0<strong>1,318V<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>\uc120\ud0dd: \uc774 1000V \uacf5\uce6d \uc2dc\uc2a4\ud15c\uc5d0 \ub300\ud574 Uc \u2265 1,500V DC\uc758 SPD\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<p><strong>\uc8fc\uc694 \uc694\uc810: \uacf5\uce6d \uc2dc\uc2a4\ud15c \uc804\uc555\ub9cc\uc744 \uae30\uc900\uc73c\ub85c SPD\ub97c \uc120\ud0dd\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \ud56d\uc0c1 \uc628\ub3c4 \uc601\ud5a5\uc744 \ud3ec\ud568\ud55c \ucd5c\uc545\uc758 Voc\ub97c \uacc4\uc0b0\ud558\uace0 \ucd94\uc6b4 \uace0\uc870\ub3c4 \uc870\uac74\uc5d0\uc11c SPD \uc131\ub2a5 \uc800\ud558\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 15-20% \uc548\uc804 \ub9c8\uc9c4\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2\ub2e8\uacc4: \ud544\uc694\ud55c \uc804\uc555 \ubcf4\ud638 \uc218\uc900 \uacb0\uc815(\uc704\ub85c)<\/h3>\n\n\n\n<p>\uc804\uc555 \ubcf4\ud638 \ub808\ubca8(Up)\uc740 SPD \uc791\ub3d9 \uc911 \ubcf4\ud638 \uc7a5\ube44\uc5d0 \ub098\ud0c0\ub098\ub294 \ucd5c\ub300 \uc804\uc555\uc785\ub2c8\ub2e4. \uc774\ub294 \uc7a5\ube44\uc758 \ub0b4\uc804\uc555\ubcf4\ub2e4 \ub0ae\uc544\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\uc120\ud0dd \uae30\uc900:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Up(SPD) &lt; 0.8 \u00d7 \uc7a5\ube44 \ub0b4\uc804\uc555<\/code><\/pre>\n\n\n\n<p>\uc77c\ubc18\uc801\uc778 \uc2a4\ud2b8\ub9c1 \uc778\ubc84\ud130\uc758 \uacbd\uc6b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1000V \uc2dc\uc2a4\ud15c \uc778\ubc84\ud130: \ub0b4\uc804\uc555: \uc77c\ubc18\uc801\uc73c\ub85c 6~8kV<\/li>\n\n\n\n<li>1500V \uc2dc\uc2a4\ud15c \uc778\ubc84\ud130: \ub0b4\uc804\uc555: \uc77c\ubc18\uc801\uc73c\ub85c 10~12kV<\/li>\n<\/ul>\n\n\n\n<p><strong>\uc2a4\ud2b8\ub9c1 \ub808\ubca8 SPD\uc5d0 \uad8c\uc7a5\ub418\ub294 \uc5c5 \uac12\uc785\ub2c8\ub2e4:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1000V \uc2dc\uc2a4\ud15c: \ucd5c\ub300 \u2264 4kV<\/li>\n\n\n\n<li>1500V \uc2dc\uc2a4\ud15c: \ucd5c\ub300 \u2264 6kV<\/li>\n<\/ul>\n\n\n\n<p><strong>\uc804\ubb38\uac00 \ud301: \uc704\ub85c \uac12\uc774 \ub0ae\uc744\uc218\ub85d \ubcf4\ud638 \uae30\ub2a5\uc740 \ud5a5\uc0c1\ub418\uc9c0\ub9cc \ub354 \uc790\uc8fc \ud65c\uc131\ud654\ub418\uc5b4 \uc218\uba85\uc774 \uc9e7\uc544\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc88\uac1c\uac00 \uc790\uc8fc \ubc1c\uc0dd\ud558\ub294 \uc9c0\uc5ed\uc5d0\uc11c\ub294 \ub354 \uac15\ub825\ud55c \uc0ac\uc591\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \ubcf4\ud638 \uc218\uc900\uacfc \uc608\uc0c1\ub418\ub294 \uc11c\uc9c0 \uc8fc\ud30c\uc218\uc758 \uade0\ud615\uc744 \ub9de\ucd94\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3\ub2e8\uacc4: \uc801\uc808\ud55c \ubc29\uc804 \uc804\ub958 \uc815\uaca9 \uc120\ud0dd(Iimp, Imax)<\/h3>\n\n\n\n<p>PV \uc2a4\ud2b8\ub9c1 SPD\ub294 \uc9c1\uc811 \ubc0f \uac04\uc811 \ub099\ub8b0 \uc11c\uc9c0\ub97c \ubaa8\ub450 \ucc98\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ud574\ud574\uc57c \ud560 \uc8fc\uc694 \ub4f1\uae09:<\/p>\n\n\n\n<p><strong>Iimp(\uc784\ud384\uc2a4 \uc804\ub958)<\/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>\uc544\uc774\ub9e5\uc2a4(\ucd5c\ub300 \ubc29\uc804 \uc804\ub958)<\/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>\uc560\ud50c\ub9ac\ucf00\uc774\uc158\ubcc4 \uc120\ud0dd \uac00\uc774\ub4dc\ub77c\uc778:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/th><th>\ub178\ucd9c \uc218\uc900<\/th><th>\ucd94\ucc9c Iimp<\/th><th>\ucd94\ucc9c \uc544\uc774\ub9e5\uc2a4<\/th><th>\uc720\ud615 \ud074\ub798\uc2a4<\/th><\/tr><tr><td>\uc625\uc0c1 \uc0c1\uc5c5\uc6a9(\uc800\uce35)<\/td><td>\uac04\uc811 \uacf5\uaca9\ub9cc \ud574\ub2f9<\/td><td>\ud544\uc694 \uc5c6\uc74c<\/td><td>20-40kA(\uadf9\ub2f9)<\/td><td>\uc720\ud615 2<\/td><\/tr><tr><td>\ub8e8\ud504\ud0d1 \uc0c1\uc5c5\uc6a9(\uace0\uce35)<\/td><td>\ubcf4\ud1b5 \uc218\uc900\uc758 \uc9c1\uc811 \uacf5\uaca9 \uc704\ud5d8<\/td><td>5-12.5 kA<\/td><td>40 kA<\/td><td>\uc720\ud615 1+2<\/td><\/tr><tr><td>\uc9c0\uc0c1 \uc7a5\ucc29(\uc624\ud508 \ud544\ub4dc)<\/td><td>\ub192\uc740 \uc9c1\uc811 \uacf5\uaca9 \uc704\ud5d8<\/td><td>12.5-25 kA<\/td><td>40-60 kA<\/td><td>\uc720\ud615 1+2<\/td><\/tr><tr><td>\uc9c0\uc0c1 \uc7a5\ucc29(\ubc88\uac1c\uac00 \ub9ce\uc774 \uce58\ub294 \uc9c0\uc5ed)<\/td><td>\ub9e4\uc6b0 \ub192\uc740 \uc704\ud5d8<\/td><td>25 kA<\/td><td>60-100 kA<\/td><td>\uc720\ud615 1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\ubb38\uc790\uc5f4 \uc218\uc900 \ubcf4\ud638\ub97c \uc704\ud55c \uacc4\uc0b0 \uc608\uc81c\uc785\ub2c8\ub2e4:<\/strong><br>\ubc88\uac1c\uac00 \uc801\ub2f9\ud55c \uc9c0\uc5ed\uc5d0 \uc788\ub294 \uc77c\ubc18\uc801\uc778 \uc0c1\uc5c5\uc6a9 \uc625\uc0c1 \uc5b4\ub808\uc774\uc758 \uacbd\uc6b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub178\ucd9c: \uc8fc\ub85c \uac04\uc811 \uacf5\uaca9<\/li>\n\n\n\n<li>\uad8c\uc7a5 \uc0ac\ud56d: \uc720\ud615 2 SPD<\/li>\n\n\n\n<li>\uadf9\ub2f9 \ucd5c\uc18c \uc544\uc774\ub9e5\uc2a4: 40kA(8\/20 \u03bcs)<\/li>\n\n\n\n<li>\uc911\uc694\ud55c \uc124\uce58\uc758 \uacbd\uc6b0: Iimp = 12.5kA\uc758 \uc720\ud615 1+2 \ud558\uc774\ube0c\ub9ac\ub4dc\ub97c \uace0\ub824\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4\ub2e8\uacc4: \uae30\uc220 \uc120\ud0dd(MOV vs GDT)<\/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>\ub9e4\uac1c\ubcc0\uc218<\/th><th>MOV \uae30\uc220<\/th><th>GDT \uae30\uc220<\/th><th>\uc6b0\uc2b9\uc790<\/th><\/tr><tr><td><strong>\uc751\ub2f5 \uc2dc\uac04<\/strong><\/td><td>&lt; 25\ub098\ub178\ucd08 \ubbf8\ub9cc<\/td><td>&lt; 100\ub098\ub178\ucd08 \ubbf8\ub9cc<\/td><td>MOV<\/td><\/tr><tr><td><strong>\uc804\uc555 \ubcf4\ud638 \uc218\uc900(\uc0c1\ud5a5)<\/strong><\/td><td>\ub0ae\uc74c(\ub354 \ub098\uc740 \ubcf4\ud638)<\/td><td>\ub354 \ub192\uc74c(\uc801\uc808\ud55c \ubcf4\ud638)<\/td><td>MOV<\/td><\/tr><tr><td><strong>\ubc29\uc804 \uc6a9\ub7c9(\uc0ac\uc774\ud074\ub2f9)<\/strong><\/td><td>\ubcf4\ud1b5(\uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \uc131\ub2a5 \uc800\ud558)<\/td><td>\ub192\uc74c(\uacac\uace0\ud568)<\/td><td>GDT<\/td><\/tr><tr><td><strong>\uc218\uba85(\uc11c\uc9c0 \ud69f\uc218)<\/strong><\/td><td>\uc81c\ud55c\uc801(500-2000\uac1c \uc791\uc5c5)<\/td><td>\uc6b0\uc218(1000\ud68c \uc774\uc0c1\uc758 \uace0\uc5d0\ub108\uc9c0 \uc791\uc5c5)<\/td><td>GDT<\/td><\/tr><tr><td><strong>\ub204\uc124 \uc804\ub958<\/strong><\/td><td>\ubcf4\ud1b5(\ub098\uc774\uc5d0 \ub530\ub77c \uc99d\uac00)<\/td><td>\uc0ac\uc2e4\uc0c1 \uc81c\ub85c<\/td><td>GDT<\/td><\/tr><tr><td><strong>\uc804\ub958 \ub530\ub77c\uac00\uae30(DC)<\/strong><\/td><td>\uc5c6\uc74c(DC\uc5d0 \uc774\uc0c1\uc801)<\/td><td>\uc544\ud06c \ub2f4\uae08\uc9c8 \uc5c6\uc774\ub294 \ubb38\uc81c\uac00 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td><td>MOV<\/td><\/tr><tr><td><strong>\uc2e4\ud328 \ubaa8\ub4dc<\/strong><\/td><td>\uc77c\ubc18\uc801\uc73c\ub85c \ub2e8\ub77d(\uc548\uc804)<\/td><td>\ub2e8\ub77d \uac00\ub2a5<\/td><td>\uc801\uc808\ud55c \uc124\uacc4\ub85c \uc548\uc804<\/td><\/tr><tr><td><strong>\uc791\ub3d9 \uc628\ub3c4 \ubc94\uc704<\/strong><\/td><td>\uc591\ud638(-40\u00b0C ~ +85\u00b0C)<\/td><td>\uc6b0\uc218(-40\u00b0C ~ +90\u00b0C)<\/td><td>GDT<\/td><\/tr><tr><td><strong>\ube44\uc6a9(\uc0c1\ub300\uc801)<\/strong><\/td><td>Lower<\/td><td>\ub354 \ub192\uc74c<\/td><td>MOV<\/td><\/tr><tr><td><strong>\ubca0\uc2a4\ud2b8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong><\/td><td>\uc911\uac04 \uc218\uc900\uc758 \uc11c\uc9c0 \ube48\ub3c4<\/td><td>\ub192\uc740 \uc11c\uc9c0 \uc8fc\ud30c\uc218, \uc911\uc694 \ubcf4\ud638<\/td><td>\ucee8\ud14d\uc2a4\ud2b8\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Hybrid Solution &#8211; The Professional Choice:<\/strong><\/p>\n\n\n\n<p>\ucd5c\uc2e0 \uace0\uc131\ub2a5 PV SPD\ub294 \ub450 \uae30\uc220\uc744 \ub2e8\uacc4\uc801 \ubcf4\ud638 \uc811\uadfc \ubc29\uc2dd\uc73c\ub85c \uacb0\ud569\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uae30\ubcf8 \ub2e8\uacc4(GDT)<\/strong>: \ub6f0\uc5b4\ub09c \ubc29\uc804 \uc6a9\ub7c9\uc73c\ub85c \uace0\uc5d0\ub108\uc9c0 \uc11c\uc9c0 \ucc98\ub9ac<\/li>\n\n\n\n<li><strong>\ubcf4\uc870 \ub2e8\uacc4(MOV)<\/strong>: \ube60\ub978 \uc751\ub2f5 \ubc0f \uc800\uc804\uc555 \ud074\ub7a8\ud551 \uc81c\uacf5<\/li>\n\n\n\n<li><strong>\uc544\ud06c \ub2f4\uae08\uc9c8 \ud68c\ub85c<\/strong>: GDT \ud604\uc7ac \uc774\uc288 \ud314\ub85c\uc6b0 \ubc29\uc9c0<\/li>\n<\/ul>\n\n\n\n<p><strong>\uc8fc\uc694 \uc694\uc810: \uc7a5\uae30\uc801\uc778 \uc548\uc815\uc131\uc774 \uc911\uc694\ud55c \uc0c1\uc5c5\uc6a9 \ubc0f \uc720\ud2f8\ub9ac\ud2f0 \uaddc\ubaa8\uc758 \uc124\uce58\uc5d0\ub294 \ud558\uc774\ube0c\ub9ac\ub4dc MOV+GDT \uae30\uc220 SPD\ub97c \uc9c0\uc815\ud558\uc138\uc694. \ucd08\uae30 \ube44\uc6a9\uc774 \uc57d\uac04 \ub192\uc9c0\ub9cc \ub354 \uae34 \uc218\uba85\uacfc \uc6b0\uc218\ud55c \ubcf4\ud638 \uc131\ub2a5\uc73c\ub85c \uc0c1\uc1c4\ub429\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<p><strong>\uc120\ud0dd \uc758\uc0ac \uacb0\uc815 \ud2b8\ub9ac:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc608\uc0b0\uc5d0 \ubbfc\uac10\ud55c \uc8fc\uac70\uc6a9(20kW \ubbf8\ub9cc): MOV \uc804\uc6a9 \uc720\ud615 2 SPD<\/li>\n\n\n\n<li>\uc0c1\uc5c5\uc6a9 \uc625\uc0c1(20-500kW): \ud558\uc774\ube0c\ub9ac\ub4dc MOV+GDT \uc720\ud615 2 SPD<\/li>\n\n\n\n<li>\uc9c0\uc0c1 \uc124\uce58 \ub610\ub294 \ub099\ub8b0\uac00 \ub9ce\uc740 \uc9c0\uc5ed: \uc544\ud06c \ub2f4\uae08\uc9c8 \uae30\ub2a5\uc774 \uc788\ub294 \ud558\uc774\ube0c\ub9ac\ub4dc \uc720\ud615 1+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\">\uc911\uc694 \uae30\uc220 \ub9e4\uac1c\ubcc0\uc218 \uc124\uba85<\/h2>\n\n\n\n<p>\ub370\uc774\ud130\uc2dc\ud2b8 \uc0ac\uc591\uc744 \uc774\ud574\ud558\uba74 PV \uc2a4\ud2b8\ub9c1 \uc11c\uc9c0 \ubcf4\ud638\uc5d0 \ub300\ud55c \uc815\ubcf4\uc5d0 \uc785\uac01\ud55c \uacb0\uc815\uc744 \ub0b4\ub9ac\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc885\ud569\uc801\uc778 \uae30\uc220 \ube44\uad50<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\uae30\uc220 \ub9e4\uac1c\ubcc0\uc218<\/th><th>MOV(\uae08\uc18d \uc0b0\ud654\ubb3c \ubc30\ub9ac\uc2a4\ud130)<\/th><th>GDT(\uac00\uc2a4 \ubc29\uc804\uad00)<\/th><th>\ud558\uc774\ube0c\ub9ac\ub4dc MOV+GDT<\/th><\/tr><tr><td><strong>\uae30\ubcf8 \uc790\ub8cc<\/strong><\/td><td>\uc0b0\ud654 \uc544\uc5f0 \uc138\ub77c\ubbf9<\/td><td>\uc138\ub77c\ubbf9 \ud29c\ube0c\uc758 \ubd88\ud65c\uc131 \uac00\uc2a4(\uc544\ub974\uace4, \ub124\uc628)<\/td><td>\ub450 \uae30\uc220 \ubaa8\ub450 \ub2e8\uacc4\ubcc4<\/td><\/tr><tr><td><strong>\ud65c\uc131\ud654 \uba54\ucee4\ub2c8\uc998<\/strong><\/td><td>\uc804\uc555\uc5d0 \ub530\ub978 \uc800\ud56d \ubcc0\ud654<\/td><td>\uac00\uc2a4 \uc774\uc628\ud654 \ubc0f \ubd84\ud574<\/td><td>\uc21c\ucc28\uc801 \ud65c\uc131\ud654<\/td><\/tr><tr><td><strong>\uc751\ub2f5 \uc2dc\uac04<\/strong><\/td><td>5-25 \ub098\ub178\ucd08<\/td><td>50~100\ub098\ub178\ucd08<\/td><td>5-25ns(MOV \ub2e8\uacc4 \uc6b0\uc120)<\/td><\/tr><tr><td><strong>\uc804\uc555 \ubcf4\ud638 \uc218\uc900(\uc0c1\ud5a5)<\/strong><\/td><td>2.5-4.0kV(1000V \uc2dc\uc2a4\ud15c)<\/td><td>3.5-6.0kV(1000V \uc2dc\uc2a4\ud15c)<\/td><td>2.5-4.0kV<\/td><\/tr><tr><td><strong>\uc5d0\ub108\uc9c0 \ucc98\ub9ac(\uc791\uc5c5\ub2f9)<\/strong><\/td><td>100-500 \uc904<\/td><td>500-2000 \uc904<\/td><td>500-2000 \uc904<\/td><\/tr><tr><td><strong>\ucd5c\ub300 \ubc29\uc804 \uc804\ub958(8\/20\u03bcs)<\/strong><\/td><td>20-60 kA<\/td><td>40-100 kA<\/td><td>40-100 kA<\/td><\/tr><tr><td><strong>\uc784\ud384\uc2a4 \uc804\ub958(10\/350\u03bcs)<\/strong><\/td><td>\uc77c\ubc18\uc801\uc73c\ub85c \ub4f1\uae09 \uc5c6\uc74c<\/td><td>5-25 kA<\/td><td>5-25 kA<\/td><\/tr><tr><td><strong>\ub204\uc124 \uc804\ub958(Uc \uae30\uc900)<\/strong><\/td><td>10-100 \u03bcA(\uc5f0\ub839\uc5d0 \ub530\ub77c \uc99d\uac00)<\/td><td>&lt; 1\u03bcA<\/td><td>&lt; 10\u03bcA<\/td><\/tr><tr><td><strong>\uc5d0\uc774\uc9d5 \ud2b9\uc131<\/strong><\/td><td>\uc810\uc9c4\uc801 \uc800\ud558, \uc0c1\ud5a5 \uc99d\uac00<\/td><td>\uc131\ub2a5 \uc800\ud558 \ucd5c\uc18c\ud654<\/td><td>GDT\ub97c \ud1b5\ud55c MOV \uc131\ub2a5 \uc800\ud558 \uc644\ud654<\/td><\/tr><tr><td><strong>\uc628\ub3c4 \uacc4\uc218<\/strong><\/td><td>-0.05%\/\u00b0C(Uc\ub294 \uc628\ub3c4\uc5d0 \ub530\ub77c \uac10\uc18c)<\/td><td>\ucd5c\uc18c<\/td><td>-0.05%\/\u00b0C<\/td><\/tr><tr><td><strong>DC\uc5d0\uc11c \uc804\ub958 \ud314\ub85c\uc6b0<\/strong><\/td><td>\uc5c6\uc74c(\uc790\uccb4 \uc18c\ud654)<\/td><td>\ubb38\uc81c\uac00 \ub420 \uc218 \uc788\uc74c(1-2A)<\/td><td>\uc124\uacc4\uc0c1 \uc81c\uac70\ub428<\/td><\/tr><tr><td><strong>\uc77c\ubc18\uc801\uc778 \uc218\uba85<\/strong><\/td><td>500-2000\uac1c \uc791\uc5c5<\/td><td>&gt;5000\uac1c \uc774\uc0c1\uc758 \uc791\uc5c5<\/td><td>2000-5000 \uc791\uc5c5<\/td><\/tr><tr><td><strong>\uc2e4\ud328 \ud45c\uc2dc<\/strong><\/td><td>\uc2dc\uac01 + \uc804\uae30<\/td><td>\uc2dc\uac01 + \uc804\uae30<\/td><td>\uc6d0\uaca9 \ubaa8\ub2c8\ud130\ub9c1 \uac00\ub2a5<\/td><\/tr><tr><td><strong>\ud658\uacbd \ubcf4\ud638<\/strong><\/td><td>IP20-IP65(\ub2e4\uc591)<\/td><td>IP20-IP65(\ub2e4\uc591)<\/td><td>IP20-IP65(\ub2e4\uc591)<\/td><\/tr><tr><td><strong>\uc77c\ubc18 \ube44\uc6a9(\uc0c1\ub300\uc801)<\/strong><\/td><td>\uadf9\ub2f9 $50-150<\/td><td>\uadf9\ub2f9 $80-250<\/td><td>\uadf9\ub2f9 $150-400<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ud0dc\uc591\uad11 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc704\ud55c \uc720\ud615 1 \ubc0f \uc720\ud615 2 SPD<\/h3>\n\n\n\n<p>\uc801\uc808\ud55c PV \uc2a4\ud2b8\ub9c1 \uc11c\uc9c0 \ubcf4\ud638\ub97c \uc704\ud574\uc11c\ub294 \uc720\ud615 1\uacfc \uc720\ud615 2 \uc7a5\uce58\ub97c \uc9c0\uc815\ud574\uc57c \ud558\ub294 \uc2dc\uae30\ub97c \uc774\ud574\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\ud2b9\uc9d5<\/th><th>\uc720\ud615 1 SPD<\/th><th>\uc720\ud615 2 SPD<\/th><th>\uc2e4\ubb34 \uac00\uc774\ub4dc<\/th><\/tr><tr><td><strong>\ud30c\ud615 \ud14c\uc2a4\ud2b8<\/strong><\/td><td>10\/350 \u03bcs(\uace0\uc5d0\ub108\uc9c0)<\/td><td>8\/20 \u03bcs(\uc911\uac04 \uc5d0\ub108\uc9c0)<\/td><td>\uc720\ud615 1 = \uc9c1\uc811 \uacf5\uaca9, \uc720\ud615 2 = \uac04\uc811 \uacf5\uaca9<\/td><\/tr><tr><td><strong>\uc784\ud384\uc2a4 \uc804\ub958(Iimp)<\/strong><\/td><td>5-25 kA \ud14c\uc2a4\ud2b8<\/td><td>\uc77c\ubc18\uc801\uc73c\ub85c \ub4f1\uae09 \uc5c6\uc74c<\/td><td>\uc9c1\uc811 \ud0c0\uaca9 \uad6c\uc5ed\uc5d0 \ub300\ud55c \uc720\ud615 1 \ud544\uc218<\/td><\/tr><tr><td><strong>\ucd5c\ub300 \ubc29\uc804 \uc804\ub958(Imax)<\/strong><\/td><td>50-100 kA<\/td><td>20-60 kA<\/td><td>\ub458 \ub2e4 \ub300\ubd80\ubd84\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569<\/td><\/tr><tr><td><strong>\ube44\uc5d0\ub108\uc9c0(W\/R)<\/strong><\/td><td>\u2265 2.5kJ\/\u03a9<\/td><td>\u2265 56 J\/\u03a9<\/td><td>\uc720\ud615 1\uc740 40\ubc30 \ub354 \ub9ce\uc740 \uc5d0\ub108\uc9c0\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/td><\/tr><tr><td><strong>\uc124\uce58 \uc704\uce58<\/strong><\/td><td>\uc11c\ube44\uc2a4 \uc785\uad6c, \uc8fc\uc694 \ubc30\ud3ec<\/td><td>\ud558\uc704 \ubc30\ud3ec, \uc7a5\ube44 \uc218\uc900<\/td><td>\ud0c0\uc785 1+2 \ud558\uc774\ube0c\ub9ac\ub4dc\ub85c \uacb0\ud569 \uac00\ub2a5<\/td><\/tr><tr><td><strong>\ubcf4\ud638 \uc218\uc900<\/strong><\/td><td>\ubcf4\ud1b5(\ucd5c\ub300 = 4~6kV)<\/td><td>\ub354 \uc88b\uc74c(\uc0c1\ud5a5 = 2.5~4kV)<\/td><td>\uc720\ud615 2\ub294 \ub354 \uc138\ubc00\ud55c \ubcf4\ud638 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/td><\/tr><tr><td><strong>\ud0dc\uc591\uad11 \ubc1c\uc804\uc758 \uc77c\ubc18\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong><\/td><td>\uc9c0\uc0c1 \uc7a5\ucc29 \uc5b4\ub808\uc774, \ub178\ucd9c\ub41c \uc704\uce58<\/td><td>\ub8e8\ud504\ud0d1 \uc2dc\uc2a4\ud15c, \uc2a4\ud2b8\ub9c1 \ucef4\ubc14\uc774\ub108<\/td><td>\ucd5c\uc801\uc758 \ubcf4\ud638\ub97c \uc704\ud574 \ub450 \uac00\uc9c0\ub97c \ud568\uaed8 \uc0ac\uc6a9\ud558\uc138\uc694.<\/td><\/tr><tr><td><strong>\ubb3c\ub9ac\uc801 \ud06c\uae30<\/strong><\/td><td>\ub354 \ud070(\ub354 \ub192\uc740 \uc5d0\ub108\uc9c0 \uc6a9\ub7c9)<\/td><td>\ucef4\ud329\ud2b8<\/td><td>\ud328\ub110 \uacf5\uac04 \uc694\uad6c \uc0ac\ud56d \uace0\ub824<\/td><\/tr><tr><td><strong>\ube44\uc6a9(\uc0c1\ub300\uc801)<\/strong><\/td><td>\uc7a5\uce58\ub2f9 $200-600<\/td><td>\uc7a5\uce58\ub2f9 $80-300<\/td><td>\uace0\uc704\ud5d8 \uc601\uc5ed\uc5d0\uc11c \uc815\ub2f9\ud654\ub418\ub294 \uc720\ud615 1 \ube44\uc6a9<\/td><\/tr><tr><td><strong>NEC \uaddc\uc815 \uc900\uc218\uc5d0 \ud544\uc694<\/strong><\/td><td>\uc9c1\uc811\uc801\uc778 \ud0c0\uaca9\uc5d0 \ub178\ucd9c\ub41c \uacbd\uc6b0<\/td><td>\ub300\ubd80\ubd84\uc758 \uc124\uce58\uc5d0\uc11c \ucd5c\uc18c\uac12<\/td><td>\uc9c0\uc5ed \ubc88\uac1c \ubc00\ub3c4 \uc9c0\ub3c4 \ud655\uc778<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\ud504\ub85c \ud301: \ucd5c\uc801\uc758 \ubcf4\ud638\ub97c \uc704\ud574 \uc5b4\ub808\uc774 \ucef4\ubc14\uc774\ub108 \uc9c0\uc810\uc5d0\ub294 \ud0c0\uc785 1+2 \ud558\uc774\ube0c\ub9ac\ub4dc \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\uace0 \uc778\ubc84\ud130 \uc785\ub825\uc5d0\ub294 \ud0c0\uc785 2 \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\uc138\uc694. \uc774\ub807\uac8c \ud558\uba74 \uc870\uc815\ub41c \uce90\uc2a4\ucf00\uc774\ub4dc\uc5d0\uc11c \uace0\uc5d0\ub108\uc9c0 \ucc98\ub9ac\uc640 \ubbf8\uc138 \uc804\uc555 \ud074\ub7a8\ud551\uc774 \ubaa8\ub450 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud544\uc218 \ub4f1\uae09 \ub514\ucf54\ub529<\/h3>\n\n\n\n<p><strong>Uc(\ucd5c\ub300 \uc5f0\uc18d \uc791\ub3d9 \uc804\uc555)<\/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>Up(\uc804\uc555 \ubcf4\ud638 \uc218\uc900)<\/strong>: SPD\uac00 \uc791\ub3d9\ud560 \ub54c \ubcf4\ud638 \uc7a5\ube44\uc5d0 \ub098\ud0c0\ub098\ub294 \uc804\uc555\uc785\ub2c8\ub2e4. \ub0ae\uc744\uc218\ub85d \uc88b\uc9c0\ub9cc \uc5d0\ub108\uc9c0 \ucc98\ub9ac \uc6a9\ub7c9\uacfc \uade0\ud615\uc744 \uc774\ub8e8\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>In(\uacf5\uce6d \ubc29\uc804 \uc804\ub958)<\/strong>: \ubd84\ub958 \ubc0f \ub178\ud654 \ud14c\uc2a4\ud2b8\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc804\ub958(\uc77c\ubc18\uc801\uc73c\ub85c \uc720\ud615 2 \uc7a5\uce58\uc758 \uacbd\uc6b0 5 \ub610\ub294 10kA).<\/p>\n\n\n\n<p><strong>\uc544\uc774\ub9e5\uc2a4(\ucd5c\ub300 \ubc29\uc804 \uc804\ub958)<\/strong>: \uc7a5\uce58\uac00 \uc190\uc0c1 \uc5c6\uc774 \ud55c \ubc88\uc758 \uc791\ub3d9\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \ucd5c\ub300 \uc11c\uc9c0 \uc804\ub958\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>Iimp(\uc784\ud384\uc2a4 \uc804\ub958)<\/strong>: \uc720\ud615 1 \uc7a5\uce58\uc758 \uacbd\uc6b0, 10\/350 \u03bcs \ud30c\ud615\uc73c\ub85c \uace0\uc5d0\ub108\uc9c0 \uc11c\uc9c0 \uc804\ub958 \uae30\ub2a5\uc744 \ud14c\uc2a4\ud2b8\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>TOV(\uc77c\uc2dc\uc801 \uacfc\uc804\uc555) \uae30\ub2a5<\/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\">\uc124\uce58 \ubaa8\ubc94 \uc0ac\ub840<\/h2>\n\n\n\n<p>\ucd5c\uace0 \ud488\uc9c8\uc758 \ud0dc\uc591\uad11 \uc2a4\ud2b8\ub9c1 \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub77c\ub3c4 \ubd80\uc801\uc808\ud558\uac8c \uc124\uce58\ud558\uba74 \uc2dc\uc2a4\ud15c\uc744 \ubcf4\ud638\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4. \uc774 \uc785\uc99d\ub41c \uc124\uce58 \uc21c\uc11c\ub97c \ub530\ub974\uc138\uc694:<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\">\uc911\uc694\ud55c \uc124\uce58 \uc694\uad6c \uc0ac\ud56d<\/h3>\n\n\n\n<p><strong>1. \ucf00\uc774\ube14 \uae38\uc774 \ubc0f \ub77c\uc6b0\ud305(0.5\ubbf8\ud130 \uaddc\uce59)<\/strong><\/p>\n\n\n\n<p>SPD\uc640 \ubcf4\ud638 \uc7a5\ube44 \uc0ac\uc774\uc758 \uc5f0\uacb0\uc740 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ucf00\uc774\ube14\uc758 \ubaa8\ub4e0 \ubbf8\ud130\ub294 \uc778\ub355\ud134\uc2a4\ub97c \ucd94\uac00\ud558\uc5ec \ube60\ub974\uac8c \uc0c1\uc2b9\ud558\ub294 \uc11c\uc9c0 \ub3d9\uc548 \ucd94\uac00 \uc804\uc555\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<p><strong>\uc804\uc555 \uac15\ud558 \uacc4\uc0b0:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>V_additional = L \u00d7 (di\/dt)\n\uc5ec\uae30\uc11c: L \u2248 \ucf00\uc774\ube14 \ubbf8\ud130\ub2f9 1\u03bcH\n       \ubc88\uac1c\uc758 \uacbd\uc6b0 di\/dt \u2248 10-100 kA\/\u03bcs<\/code><\/pre>\n\n\n\n<p><strong>\uc608\uc2dc:<\/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>\uc124\uce58 \uaddc\uce59:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SPD\uc5d0\uc11c \ubcf4\ud638 \uc7a5\ube44\uae4c\uc9c0\uc758 \ucd1d \ucf00\uc774\ube14 \uae38\uc774\ub97c 0.5m \ubbf8\ub9cc(\uc774\uc0c1: 0.3m \ubbf8\ub9cc)\uc73c\ub85c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uac00\ub2a5\ud55c \uac00\uc7a5 \uc9e7\uc740 \uc9c1\uc120\ud615 \ub8e8\ud504 \ub610\ub294 \ucf54\uc77c \uc0ac\uc6a9<\/li>\n\n\n\n<li>\uc7a5\uac70\ub9ac \uc6b4\ud589\uc774 \ubd88\uac00\ud53c\ud55c \uacbd\uc6b0, \ub354 \ud070 \ub3c4\uccb4(\ucd5c\uc18c 6AWG\/10mm\u00b2)\ub97c \uc0ac\uc6a9\ud558\uc138\uc694.<\/li>\n\n\n\n<li>SPD \ucf00\uc774\ube14\uc744 \uc2e0\ud638 \ub610\ub294 \ud1b5\uc2e0 \uc804\uc120\uacfc \ud568\uaed8 \ubb36\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n\n\n\n<p><strong>\ud504\ub85c \ud301: \uc124\uce58 \uc804\uc5d0 \uc5f0\uacb0 \ucf00\uc774\ube14\uc744 \ubbf8\ub9ac \uce21\uc815\ud558\uace0 \uc815\ud655\ud55c \uae38\uc774\ub85c \uc790\ub974\uc138\uc694. \ud604\uc7a5 \uc124\uce58 \uc2dc \uaddc\uc815\uc744 \uc900\uc218\ud560 \uc218 \uc788\ub3c4\ub85d \uc124\uce58 \ud15c\ud50c\ub9bf\uc5d0 0.5m \uc81c\ud55c\uc744 \ud45c\uc2dc\ud558\uc138\uc694.<\/strong><\/p>\n\n\n\n<p><strong>2. \uc811\uc9c0 \ubaa8\ubc94 \uc0ac\ub840<\/strong><\/p>\n\n\n\n<p>\uc801\uc808\ud55c \uc811\uc9c0\ub294 \ud6a8\uacfc\uc801\uc778 \uc11c\uc9c0 \ubcf4\ud638\uc758 \uae30\ubcf8\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc811\uc9c0 \uc5f0\uacb0<\/strong>: \uc8fc PV \uc2dc\uc2a4\ud15c \uc811\uc9c0\uc5d0 \ucd5c\uc18c 6AWG(10mm\u00b2) \uad6c\ub9ac \ub3c4\uccb4 \uc0ac\uc6a9<\/li>\n\n\n\n<li><strong>\ub0ae\uc740 \uc784\ud53c\ub358\uc2a4 \uacbd\ub85c<\/strong>: \ucd1d \uc811\uc9c0 \uc800\ud56d\uc740 10\u03a9 \ubbf8\ub9cc(\uc774\uc0c1\uc801\uc73c\ub85c\ub294 5\u03a9 \ubbf8\ub9cc)\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc811\uc9c0 \ub8e8\ud504 \ubc29\uc9c0<\/strong>: \ubcf4\ud638 \uc7a5\ube44\uc640 \ub3d9\uc77c\ud55c \uc811\uc9c0 \ubc14\uc5d0 SPD \uc811\uc9c0\ub97c \uc5f0\uacb0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub4f1\uc804\uc704 \ubcf8\ub529<\/strong>: \ubaa8\ub4e0 \uae08\uc18d \uad6c\uc870\ubb3c(\uc5b4\ub808\uc774 \ud504\ub808\uc784, \uc7a5\ube44 \uc100\uc2dc, SPD \ud558\uc6b0\uc9d5)\uc774 \uc11c\ub85c \uc811\ucc29\ub418\uc5b4 \uc788\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p><strong>\uc911\uac04 \uc9c0\uc810 \uc811\uc9c0\uac00 \uc788\ub294 PV \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DC+ \ubc0f DC- SPD \uadf9\uc744 \ubaa8\ub450 \uc5f0\uacb0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>PE \ub2e8\uc790\ub97c \uc911\uac04 \uc9c0\uc810 \uc811\uc9c0 \ub808\ud37c\ub7f0\uc2a4\uc5d0 \uc5f0\uacb0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc811\uc9c0\uac00 \ud604\uc9c0 \uc804\uae30 \uaddc\uc815\uc744 \uc900\uc218\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p><strong>3. \ubb3c\ub9ac\uc801 \uc124\uce58 \uace0\ub824 \uc0ac\ud56d<\/strong><\/p>\n\n\n\n<p>\uc704\uce58 \ubc0f \uc7a5\ucc29\uc740 \ubcf4\ud638 \ud6a8\uacfc\uc640 \uc720\uc9c0 \uad00\ub9ac\uc5d0 \ubaa8\ub450 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ub9c8\uc6b4\ud305<\/strong>: \uac04\ud3b8\ud55c \uad50\uccb4\ub97c \uc704\ud574 DIN \ub808\uc77c \ub9c8\uc6b4\ud305 \uc0ac\uc6a9, \uc548\uc804\ud55c \uae30\uacc4\uc801 \uc5f0\uacb0 \ubcf4\uc7a5<\/li>\n\n\n\n<li><strong>\ud658\uae30<\/strong>: \uc801\uc808\ud55c \uacf5\uae30 \ud750\ub984 \uc81c\uacf5; SPD\ub294 \uc791\ub3d9 \uc911\uc5d0 \uc5f4\uc744 \ubc1c\uc0dd\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc811\uadfc\uc131<\/strong>: \uc810\uac80\uc744 \uc704\ud574 \uc2dc\uac01\uc801 \uc0c1\ud0dc \ud45c\uc2dc\uae30\uac00 \uc27d\uac8c \ubcf4\uc774\ub294 \uacf3\uc5d0 \uc124\uce58\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud658\uacbd \ubcf4\ud638<\/strong>: \uc2e4\uc678 \uc124\uce58\uc5d0 \uc801\ud569\ud55c IP \ub4f1\uae09 \uc778\ud074\ub85c\uc800 \uc0ac\uc6a9(\ucd5c\uc18c IP65)<\/li>\n\n\n\n<li><strong>\ub77c\ubca8\ub9c1<\/strong>: SPD \uc704\uce58, \uc124\uce58 \ub0a0\uc9dc \ubc0f \ub2e4\uc74c \uac80\uc0ac \uae30\ud55c\uc744 \uba85\ud655\ud558\uac8c \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p><strong>4. \uc5f0\uacb0 \uc21c\uc11c<\/strong><\/p>\n\n\n\n<p>\uc811\uc9c0 \uc624\ub958\ub098 \uc7a5\ube44 \uc190\uc0c1\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ud56d\uc0c1 \uc62c\ubc14\ub978 \uc5f0\uacb0 \uc21c\uc11c\ub97c \ub530\ub974\uc138\uc694:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\uc2dc\uc2a4\ud15c\uc758 \uc804\uc6d0\uc774 \uaebc\uc84c\ub294\uc9c0 \ud655\uc778(Voc = 0V \ud655\uc778)<\/li>\n\n\n\n<li>\ucd5c\uc885 \uc704\uce58\uc5d0 SPD \ub9c8\uc6b4\ud2b8<\/li>\n\n\n\n<li>\uc811\uc9c0\/PE \ub2e8\uc790 \uba3c\uc800 \uc5f0\uacb0<\/li>\n\n\n\n<li>DC \uadf9 \uc5f0\uacb0<\/li>\n\n\n\n<li>DC+ \uadf9\uc744 \ub9c8\uc9c0\ub9c9\uc5d0 \uc5f0\uacb0<\/li>\n\n\n\n<li>\ubaa8\ub4e0 \uc5f0\uacb0\uc774 \ub2e8\ub2e8\ud788 \uc870\uc5ec\uc84c\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4(\uc81c\uc870\uc5c5\uccb4 \uc0ac\uc591\uc5d0 \ub9de\uac8c \ud1a0\ud06c\ub97c \uac00\ud569\ub2c8\ub2e4).<\/li>\n\n\n\n<li>\uc2dc\uc2a4\ud15c\uc5d0 \uc804\uc6d0\uc744 \uacf5\uae09\ud558\uae30 \uc804\uc5d0 \uc0c1\ud0dc \ud45c\uc2dc\uae30 \ud655\uc778<\/li>\n<\/ol>\n\n\n\n<p><strong>\uc804\ubb38\uac00 \ud301: \uc804\uccb4 \uc5b4\ub808\uc774\uc758 \uc804\uc6d0\uc744 \ucc28\ub2e8\ud558\uc9c0 \uc54a\uace0\ub3c4 \uc548\uc804\ud558\uac8c \uc720\uc9c0\ubcf4\uc218 \ubc0f \uad50\uccb4\ud560 \uc218 \uc788\ub3c4\ub85d PV \uc2a4\ud2b8\ub9c1\uacfc SPD \uc0ac\uc774\uc5d0 \ucc28\ub2e8 \uc2a4\uc704\uce58\ub97c \uc124\uce58\ud558\uc138\uc694. \uc774\ub294 \ub2e4\uc6b4\ud0c0\uc784\uc73c\ub85c \uc778\ud55c \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4dc\ub294 \ub300\uaddc\ubaa8 \uc0c1\uc5c5\uc6a9 \uc2dc\uc2a4\ud15c\uc5d0 \ud2b9\ud788 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc2e4\uc81c \uc801\uc6a9 \uc0ac\ub840: 10-\uc2a4\ud2b8\ub9c1, 1000V \uc2dc\uc2a4\ud15c\uc744 \uc704\ud55c SPD \ud06c\uae30 \uc870\uc815<\/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\">\uc2dc\uc2a4\ud15c \uc0ac\uc591<\/h3>\n\n\n\n<p><strong>\ubc30\uc5f4 \uad6c\uc131:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>10\uac1c\uc758 \ubcd1\ub82c \ubb38\uc790\uc5f4<\/li>\n\n\n\n<li>\ubb38\uc790\uc5f4\ub2f9 20\uac1c\uc758 \ubaa8\ub4c8<\/li>\n\n\n\n<li>\ubaa8\ub4c8 \uc0ac\uc591:\n<ul class=\"wp-block-list\">\n<li>Voc (STC): 49.5V<\/li>\n\n\n\n<li>Isc(STC): 11.5A<\/li>\n\n\n\n<li>Vmp: 41.8V<\/li>\n\n\n\n<li>Imp: 11.0A<\/li>\n\n\n\n<li>\uc628\ub3c4 \uacc4\uc218(Voc): -0.35%\/\u00b0C<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>\ud658\uacbd \uc870\uac74:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc704\uce58: \uc560\ub9ac\uc870\ub098(\ub192\uc740 \ud0dc\uc591 \ub178\ucd9c, \uc801\ub2f9\ud55c \ubc88\uac1c)<\/li>\n\n\n\n<li>\uc608\uc0c1 \ucd5c\uc800 \uc628\ub3c4: -5\u00b0C<\/li>\n\n\n\n<li>\uc124\uce58: \uc0c1\uc5c5\uc6a9 \uac74\ubb3c \uc625\uc0c1<\/li>\n\n\n\n<li>\ub178\ucd9c: \uac04\uc811 \ub099\ub8b0\uac00 \uc608\uc0c1\ub428<\/li>\n<\/ul>\n\n\n\n<p><strong>\uc7a5\ube44:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc2a4\ud2b8\ub9c1 \uc778\ubc84\ud130: 100kW, 1000V DC \uc785\ub825 \uc815\uaca9<\/li>\n\n\n\n<li>\uc778\ubc84\ud130 \ub0b4\uc804\uc555: 6kV<\/li>\n\n\n\n<li>10\uac1c\uc758 \uc785\ub825 \ubb38\uc790\uc5f4\uc774 \uc788\ub294 \uacb0\ud569\uae30 \uc0c1\uc790<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ub2e8\uacc4\ubcc4 <a href=\"https:\/\/cnkuangya.com\/ko\/ac-spd\/\">SPD<\/a> \uc120\ud0dd<\/h3>\n\n\n\n<p><strong>1\ub2e8\uacc4: \ucd5c\ub300 \uc2dc\uc2a4\ud15c \uc804\uc555 \uacc4\uc0b0<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\uc2a4\ud2b8\ub9c1\ub2f9 Voc(STC) = 49.5V \u00d7 20 = 990V\n\n\uc628\ub3c4 \ubcf4\uc815:\n\u03b4t = 25\u00b0C - (-5\u00b0C) = 30\u00b0C\n\uc804\uc555 \uc99d\uac00 = 990V \u00d7 (30\u00b0C \u00d7 0.0035) = 104V\nVoc(\uc800\uc628) = 990V + 104V = 1,094V\n\n20% \uc548\uc804 \ub9c8\uc9c4\uc5d0 \ud544\uc694\ud55c Uc:\nUc(\ucd5c\uc18c) = 1,094V \u00d7 1.20 = 1,313V<\/code><\/pre>\n\n\n\n<p><strong>\uc120\ud0dd: Uc = 1,500V DC(\ud45c\uc900 \uc815\uaca9)\uc758 SPD<\/strong><\/p>\n\n\n\n<p><strong>2\ub2e8\uacc4: \ud544\uc694\ud55c \uc804\uc555 \ubcf4\ud638 \uc218\uc900 \uacb0\uc815\ud558\uae30<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\uc778\ubc84\ud130 \ub0b4\uc804\uc555 = 6kV\n\ucd5c\ub300 \ud5c8\uc6a9 \uc5c5 = 6kV \u00d7 0.8 = 4.8kV<\/code><\/pre>\n\n\n\n<p><strong>\uc120\ud0dd: \ucd5c\ub300 4.0kV \uc774\ud558\uc758 SPD(33% \uc548\uc804 \ub9c8\uc9c4 \uc81c\uacf5)<\/strong><\/p>\n\n\n\n<p><strong>3\ub2e8\uacc4: \ubc29\uc804 \uc804\ub958 \uc815\uaca9 \uc120\ud0dd<\/strong><\/p>\n\n\n\n<p>\ubc88\uac1c\uac00 \uc790\uc8fc \uce58\ub294 \uc9c0\uc5ed\uc758 \uc625\uc0c1\uc5d0 \uc124\uce58\ud558\ub294 \uacbd\uc6b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc8fc\uc694 \uc704\ud611: \uac04\uc811 \uacf5\uaca9<\/li>\n\n\n\n<li>\uad8c\uc7a5\ub429\ub2c8\ub2e4: \uc720\ud615 2 SPD<\/li>\n\n\n\n<li>\ucd5c\uc18c \uc544\uc774\ub9e5\uc2a4: \uadf9\ub2f9 40kA(8\/20 \u03bcs)<\/li>\n<\/ul>\n\n\n\n<p>\ubcf4\ud638 \uae30\ub2a5 \uac15\ud654(\uc120\ud0dd \uc0ac\ud56d\uc774\uc9c0\ub9cc \uad8c\uc7a5):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc720\ud615 1+2 \ud558\uc774\ube0c\ub9ac\ub4dc \uace0\ub824<\/li>\n\n\n\n<li>Iimp: 12.5kA(10\/350\u03bcs)<\/li>\n\n\n\n<li>\uc544\uc774\ub9e5\uc2a4: 60kA(8\/20\u03bcs)<\/li>\n<\/ul>\n\n\n\n<p><strong>\uc120\ud0dd: \uadf9\ub2f9 Imax = 40kA (\ucd5c\uc18c)\uc758 \uc720\ud615 2 SPD \ub610\ub294 \uc784\uacc4 \ubd80\ud558\uc5d0 \ub300\ud55c \uc720\ud615 1 + 2 \ud558\uc774\ube0c\ub9ac\ub4dc<\/strong><\/p>\n\n\n\n<p><strong>4\ub2e8\uacc4: \uae30\uc220 \uc120\ud0dd<\/strong><\/p>\n\n\n\n<p>\uc774 \uc0c1\uc5c5\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc608\uc0c1\ub418\ub294 \uc11c\uc9c0 \ube48\ub3c4: \ubcf4\ud1b5(\uc5f0\uac04 10~20\ud68c)<\/li>\n\n\n\n<li>\uc2dc\uc2a4\ud15c \uac00\uce58: $150,000(\uc7a5\ube44 + \uc0dd\uc0b0 \uc190\uc2e4 \uc704\ud5d8)<\/li>\n\n\n\n<li>\uc720\uc9c0 \uad00\ub9ac \uc561\uc138\uc2a4: \uc591\ud638<\/li>\n<\/ul>\n\n\n\n<p><strong>\uc120\ud0dd: \uc131\ub2a5\uacfc \uc218\uba85\uc758 \ucd5c\uc801\uc758 \uade0\ud615\uc744 \uc704\ud55c \ud558\uc774\ube0c\ub9ac\ub4dc MOV+GDT \uae30\uc220<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ubcf4\ud638 \uc544\ud0a4\ud14d\ucc98 \uc124\uacc4<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\uadf8\ub798\ud504 TB\n    \ud558\uc704 \uadf8\ub798\ud504 &quot;PV \ubc30\uc5f4 - 10\uac1c\uc758 \ubb38\uc790\uc5f4&quot;\n        S1[String 1: 20 \ubaa8\ub4c8]\n        S2[String 2: 20 Modules]\n        S3[String 3: 20 Modules]\n        S10[String 10: 20 Modules]\n    end\n    \n    S1 --&amp;gt; SPD1[String-Level SPD&lt;br&gt;\uc720\ud615 2, Uc=1500V&lt;br&gt;Up=4kV, Imax=40kA]\n    S2 --&amp;gt; SPD2[\ubb38\uc790\uc5f4 \ub808\ubca8 SPD]\n    S3 --&amp;gt; SPD3[\ubb38\uc790\uc5f4-\ub808\ubca8 SPD]\n    S10 --&amp;gt; SPD10[\ubb38\uc790\uc5f4 \ub808\ubca8 SPD]\n    \n    SPD1 --&amp;gt; CB[\ucef4\ubc14\uc774\ub108 \ubc15\uc2a4]\n    SPD2 --&amp;gt; CB\n    SPD3 --&amp;gt; CB\n    SPD10 --&amp;gt; CB\n    \n    CB --&amp;gt; SPD_CB[\ucef4\ubc14\uc774\ub108 SPD&lt;br&gt;\uc720\ud615 2, Uc=1500V&lt;br&gt;Up=3.5kV, Imax=60kA]\n    \n    SPD_CB --&amp;gt; |10m \ucf00\uc774\ube14| INV[\ubb38\uc790\uc5f4 \uc778\ubc84\ud130&lt;br&gt;100kW, 1000VDC]\n    \n    INV --&amp;gt; SPD_INV[\uc778\ubc84\ud130 \uc785\ub825 SPD&lt;br&gt;\uc720\ud615 2, Uc=1500V&lt;br&gt;Up=3.0kV, Imax=40kA]\n    \n    SPD1 -.-&amp;gt;|Ground| GND[\uc2dc\uc2a4\ud15c \uc811\uc9c0&lt;br&gt;&lt; 5&Omega; Resistance]\n    SPD_CB -.-&gt;|Ground| GND\n    SPD_INV -.-&amp;gt;|Ground| GND\n    \n    style SPD1 fill:#90EE90\n    style SPD2 fill:#90EE90\n    style SPD3 fill:#90EE90\n    style SPD10 fill:#90EE90\n    style SPD_CB fill:#87CEEB\n    style SPD_INV fill:#FFD700<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\ucd5c\uc885 \uc0ac\uc591 \uc694\uc57d<\/h3>\n\n\n\n<p><strong>\uc2a4\ud2b8\ub9c1 \ub808\ubca8 \ubcf4\ud638(10\uac1c):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uae30\uc220: \ud558\uc774\ube0c\ub9ac\ub4dc MOV+GDT<\/li>\n\n\n\n<li>\uad6c\uc131: 2\uadf9(DC+, DC-)<\/li>\n\n\n\n<li>Uc: 1,500V DC<\/li>\n\n\n\n<li>\uc704: \u2264 4.0kV<\/li>\n\n\n\n<li>\uc544\uc774\ub9e5\uc2a4: \uadf9\ub2f9 40kA(8\/20\u03bcs)<\/li>\n\n\n\n<li>\ub9c8\uc6b4\ud305: \uc5b4\ub808\uc774 \uadfc\ucc98 \uc815\uc158 \ubc15\uc2a4\uc758 DIN \ub808\uc77c<\/li>\n\n\n\n<li>\ub2e8\uc704\ub2f9 \uc608\uc0c1 \ube44\uc6a9: $180<\/li>\n\n\n\n<li>\ucd1d \ube44\uc6a9: $1,800\uc6d0<\/li>\n<\/ul>\n\n\n\n<p><strong>\ucef4\ubc14\uc774\ub108 \ubc15\uc2a4 \ubcf4\ud638(1\uac1c):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uae30\uc220: \ud558\uc774\ube0c\ub9ac\ub4dc MOV+GDT \ud0c0\uc785 1+2<\/li>\n\n\n\n<li>\uad6c\uc131: 2\uadf9(DC+, DC-)<\/li>\n\n\n\n<li>Uc: 1,500V DC<\/li>\n\n\n\n<li>\uc704: \u2264 3.5kV<\/li>\n\n\n\n<li>Iimp: 12.5kA(10\/350\u03bcs)<\/li>\n\n\n\n<li>\uc544\uc774\ub9e5\uc2a4: 60kA(8\/20\u03bcs)<\/li>\n\n\n\n<li>\uc6d0\uaca9 \ubaa8\ub2c8\ud130\ub9c1: \uc0c1\ud0dc \ud655\uc778\uc744 \uc704\ud55c \uc5f0\ub77d\ucc98 \ucd9c\ub825<\/li>\n\n\n\n<li>\uc608\uc0c1 \ube44\uc6a9: $450<\/li>\n<\/ul>\n\n\n\n<p><strong>\uc778\ubc84\ud130 \uc785\ub825 \ubcf4\ud638(1\uac1c):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uae30\uc220: \ud558\uc774\ube0c\ub9ac\ub4dc MOV+GDT<\/li>\n\n\n\n<li>\uad6c\uc131: 2\uadf9(DC+, DC-)<\/li>\n\n\n\n<li>Uc: 1,500V DC<\/li>\n\n\n\n<li>\uc704: \u2264 3.0kV<\/li>\n\n\n\n<li>\uc544\uc774\ub9e5\uc2a4: 40kA(8\/20 \u03bcs)<\/li>\n\n\n\n<li>\uc608\uc0c1 \ube44\uc6a9: $220<\/li>\n<\/ul>\n\n\n\n<p><strong>\ucd1d \ubcf4\ud638 \uc2dc\uc2a4\ud15c \ube44\uc6a9: $2,470<\/strong><\/p>\n\n\n\n<p><strong>\ud575\uc2ec \uc0ac\ud56d: \uc774 \ud3ec\uad04\uc801\uc778 3\ub2e8\uacc4 \ubcf4\ud638 \uce90\uc2a4\ucf00\uc774\ub4dc\ub294 \ucd1d \uc2dc\uc2a4\ud15c \uac00\uce58\uc758 1.5% \ubbf8\ub9cc\uc774\uc9c0\ub9cc $47,000 \uc774\uc0c1\uc758 \ube44\uc6a9\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uc190\uc0c1\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud569\ub2c8\ub2e4. \ud55c \ubc88\uc758 \uc11c\uc9c0 \uc774\ubca4\ud2b8 \uc608\ubc29\uc73c\ub85c \uc804\uccb4 \ubcf4\ud638 \uc2dc\uc2a4\ud15c\uc758 19\ubc30\uc5d0 \ub2ec\ud558\ub294 \ube44\uc6a9\uc744 \uc9c0\ubd88\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ubcf4\ud638\ub97c \ubc1b\uc9c0 \ubabb\ud588\uc744 \ub54c\uc758 \ube44\uc6a9<\/h2>\n\n\n\n<p>PV \uc2a4\ud2b8\ub9c1 \uc11c\uc9c0 \ubcf4\ud638\ub97c \uc9c0\uc815\ud560\uc9c0 \uc5ec\ubd80\ub97c \ud3c9\uac00\ud560 \ub54c\ub294 \uc11c\uc9c0 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uc744 \ub54c\uc758 \uc2e4\uc81c \ube44\uc6a9\uc744 \uace0\ub824\ud558\uc138\uc694:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc9c1\uc811 \ube44\uc6a9 \ube44\uad50<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\ube44\uc6a9 \ubc94\uc8fc<\/th><th>\uc801\uc808\ud55c SPD \ubcf4\ud638 \uae30\ub2a5<\/th><th>SPD \ubcf4\ud638 \uae30\ub2a5 \uc5c6\uc74c<\/th><th>\ucc28\uc774\uc810<\/th><\/tr><tr><td><strong>\ucd08\uae30 \ud22c\uc790<\/strong><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>SPD \uc7a5\ube44<\/td><td>$2,470<\/td><td>$0<\/td><td>+$2,470<\/td><\/tr><tr><td>\uc124\uce58 \uc778\uac74\ube44<\/td><td>$800<\/td><td>$0<\/td><td>+$800<\/td><\/tr><tr><td><strong>\ucd1d \ucd08\uae30 \ube44\uc6a9<\/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>\ud55c \ubc88\uc758 \uc11c\uc9c0 \uc774\ubca4\ud2b8 \ud6c4<\/strong><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>\uc778\ubc84\ud130 \uc218\ub9ac\/\uad50\uccb4<\/td><td>$0<\/td><td>$12,000<\/td><td>-$12,000<\/td><\/tr><tr><td>\ubaa8\ub4c8 \uad50\uccb4(\ubaa8\ub4c8 4\uac1c)<\/td><td>$0<\/td><td>$2,800<\/td><td>-$2,800<\/td><\/tr><tr><td>\uae34\uae09 \uc11c\ube44\uc2a4 \uc804\ud654<\/td><td>$0<\/td><td>$1,500<\/td><td>-$1,500<\/td><\/tr><tr><td>3\uc8fc \uc0dd\uc0b0 \uc190\uc2e4<\/td><td>$0<\/td><td>$4,200<\/td><td>-$4,200<\/td><\/tr><tr><td>\uac80\uc0ac \ubc0f \ud14c\uc2a4\ud2b8<\/td><td>$0<\/td><td>$800<\/td><td>-$800<\/td><\/tr><tr><td>\uc2dc\uc2a4\ud15c \uc218\ub9ac \ubaa8\ub2c8\ud130\ub9c1<\/td><td>$0<\/td><td>$1,200<\/td><td>-$1,200<\/td><\/tr><tr><td><strong>\ucd1d \uc11c\uc9c0 \uc774\ubca4\ud2b8 \ube44\uc6a9<\/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\ub144 \uc218\uba85\uc8fc\uae30 \ube44\uc6a9<\/strong><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>SPD \uad50\uccb4(6\ud559\ub144)<\/td><td>$1,500<\/td><td>$0<\/td><td>+$1,500<\/td><\/tr><tr><td>\uc608\uc0c1\ub418\ub294 \uae09\uc99d \uc774\ubca4\ud2b8(2-3)<\/td><td>$0<\/td><td>$45,000-67,500<\/td><td>-$45,000<\/td><\/tr><tr><td>\ubcf4\uc99d \ubc94\uc704<\/td><td>\uc720\uc9c0 \uad00\ub9ac<\/td><td>\ubb34\ud6a8\ud654 \uac00\ub2a5\uc131<\/td><td>\uc704\ud5d8 \uac12: -$35,000<\/td><\/tr><tr><td>\ubcf4\ud5d8\ub8cc \uc601\ud5a5<\/td><td>\ud45c\uc900<\/td><td>\uc7a0\uc7ac\uc801\uc73c\ub85c \ub354 \ub192\uc744 \uc218 \uc788\uc74c<\/td><td>-$2,000<\/td><\/tr><tr><td><strong>10\ub144 \ucd1d \ube44\uc6a9<\/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 \ubd84\uc11d<\/h3>\n\n\n\n<p><strong>\uc190\uc775\ubd84\uae30\uc810 \uacc4\uc0b0:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\ucd08\uae30 SPD \ud22c\uc790: $3,270\n\ud3c9\uade0 \uc11c\uc9c0 \ud53c\ud574 \ube44\uc6a9: $22,500\n\uc190\uc775\ubd84\uae30\uc810: \uc11c\uc9c0 \uc774\ubca4\ud2b8 0.145\ud68c\n\n\ud574\ub2f9 \uc9c0\uc5ed\uc5d0\uc11c 7\ub144\uc5d0 \ud55c \ubc88\ub9cc \uc2ec\uac01\ud55c \uc11c\uc9c0 \uc774\ubca4\ud2b8\uac00 \ubc1c\uc0dd\ud558\ub294 \uacbd\uc6b0,\nSPD \uc2dc\uc2a4\ud15c\uc740 \uc790\uccb4\uc801\uc73c\ub85c \ube44\uc6a9\uc744 \uc9c0\ubd88\ud569\ub2c8\ub2e4.\n\nIEEE \ub370\uc774\ud130\uc5d0 \ub530\ub974\uba74, \ub300\ubd80\ubd84\uc758 \uc0c1\uc5c5\uc6a9 \ud0dc\uc591\uad11 \uc124\ube44\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\ud5d8\uc744 \ud569\ub2c8\ub2e4.\n25\ub144 \uc218\uba85 \ub3d9\uc548 \ubcf4\ud638 \uc7a5\uce58 \uc5c6\uc774 2~4\ubc88\uc758 \uc190\uc0c1\ub41c \uc11c\uc9c0 \uc774\ubca4\ud2b8\ub97c \uacbd\ud5d8\ud569\ub2c8\ub2e4.<\/code><\/pre>\n\n\n\n<p><strong>25\ub144 \ub3d9\uc548\uc758 \uc608\uc0c1 ROI:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ucd08\uae30 \ud22c\uc790: $3,270<\/li>\n\n\n\n<li>SPD \uad50\uccb4(10\ub144\ucc28, 20\ub144\ucc28): $3,000<\/li>\n\n\n\n<li>\ucd1d \ud22c\uc790 \uae08\uc561: $6,270<\/li>\n\n\n\n<li>\ud53c\ud574 \ubc29\uc9c0(\uc774\ubca4\ud2b8 3\uac1c \u00d7 $22,500): $67,500<\/li>\n\n\n\n<li><strong>\uc21c \uc808\uac10\uc561: $61,230<\/strong><\/li>\n\n\n\n<li><strong>ROI: 977%<\/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\">\ubcf4\ud5d8 \ubc0f \ubcf4\uc99d\uc5d0 \ub300\ud55c \uc2dc\uc0ac\uc810<\/h3>\n\n\n\n<p><strong>\ubcf4\uc99d \ubc94\uc704:<\/strong><br>\ub300\ubd80\ubd84\uc758 \uc8fc\uc694 \uc81c\uc870\uc5c5\uccb4\ub294 \ubcf4\uc99d\uc5d0 \uc11c\uc9c0 \ubcf4\ud638 \uc694\uad6c \uc0ac\ud56d\uc744 \ud3ec\ud568\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SPD \ubbf8\uc0ac\uc6a9<\/strong>: \uc11c\uc9c0 \uc190\uc0c1\uc774 \ubc1c\uc0dd\ud558\uace0 \ubcf4\ud638 \uc7a5\uce58\uac00 \uc124\uce58\ub418\uc9c0 \uc54a\uc740 \uacbd\uc6b0 \ubcf4\uc99d \uccad\uad6c \uac70\ubd80<\/li>\n\n\n\n<li><strong>SPD \uc0ac\uc6a9<\/strong>: \uc804\uccb4 \ubcf4\uc99d \ubc94\uc704 \uc720\uc9c0, \uc81c\uc870\uc5c5\uccb4\uac00 SPD \uad50\uccb4 \ube44\uc6a9\uae4c\uc9c0 \ubd80\ub2f4\ud560 \uc218 \uc788\uc74c<\/li>\n<\/ul>\n\n\n\n<p><strong>\ubcf4\ud5d8\ub8cc:<\/strong><br>\uc0c1\uc5c5\uc6a9 \ubcf4\ud5d8 \uc81c\uacf5\uc5c5\uccb4\ub294 \uc810\uc810 \ub354 \uc11c\uc9c0 \ubcf4\ud638\uc5d0 \ub300\ud55c \ubb38\uc11c\ub97c \uc694\uad6c\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc801\uc808\ud55c \ubcf4\ud638 \uae30\ub2a5\uc774 \uc5c6\ub294 \uc2dc\uc2a4\ud15c: 15-25% \ub192\uc740 \ubcf4\ud5d8\ub8cc<\/li>\n\n\n\n<li>\ubb38\uc11c\ud654\ub418\uace0 \uaddc\uc815\uc744 \uc900\uc218\ud558\ub294 \ubcf4\ud638 \uae30\ub2a5\uc744 \uac16\ucd98 \uc2dc\uc2a4\ud15c: \ud45c\uc900 \uc694\uae08<\/li>\n\n\n\n<li>$100,000 \uc2dc\uc2a4\ud15c \uc5f0\uac04 \uc808\uac10\uc561: $300-500<\/li>\n<\/ul>\n\n\n\n<p><strong>\ub2e4\uc6b4\ud0c0\uc784 \uc704\ud5d8:<\/strong><br>\uc911\uc694 \uc2dc\uc124(\ubcd1\uc6d0, \ub370\uc774\ud130 \uc13c\ud130, \uc81c\uc870) \ub610\ub294 \uc804\ub825 \uad6c\ub9e4 \uacc4\uc57d(PPA)\uc774 \uccb4\uacb0\ub41c \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PPA \uc131\ub2a5 \ud398\ub110\ud2f0: \ub2e4\uc6b4\ud0c0\uc784 \uc8fc\ub2f9 $5,000~15,000\ub2ec\ub7ec<\/li>\n\n\n\n<li>\uce58\uba85\uc801\uc778 \ubd80\ud558 \uc601\ud5a5: \uc6b4\uc601\uc5d0 \ub300\ud55c \uce21\uc815\ud560 \uc218 \uc5c6\ub294 \uc704\ud5d8<\/li>\n\n\n\n<li>\ud3c9\ud310 \uc190\uc0c1: \uace0\uac1d \uc2e0\ub8b0 \uc0c1\uc2e4<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\uc8fc\uc694 \ub0b4\uc6a9<\/h2>\n\n\n\n<p><strong>\u26a1 Lightning doesn&#8217;t have to strike your array directly to cause damage.<\/strong>&nbsp;\ucd5c\ub300 2km \uac70\ub9ac\uc758 \uac04\uc811 \ud0c0\uaca9\uc740 \ubcf4\ud638\ub418\uc9c0 \uc54a\uc740 PV \uc2a4\ud2b8\ub9c1\uc5d0 6,000V\ub97c \ucd08\uacfc\ud558\ub294 \uc11c\uc9c0\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2a4\ud2b8\ub9c1 \ub808\ubca8 \ubcf4\ud638\ub294 \uccab \ubc88\uc9f8 \ubc29\uc5b4\uc120\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\ud83d\udcb0 \ubcf4\ud638 \ube44\uc6a9\uc740 \ud53c\ud574 \ube44\uc6a9\uc5d0 \ube44\ud574 \ub9e4\uc6b0 \uc801\uc2b5\ub2c8\ub2e4.<\/strong>&nbsp;\ud3ec\uad04\uc801\uc778 3\ub2e8\uacc4 SPD \uc2dc\uc2a4\ud15c\uc740 \uc77c\ubc18\uc801\uc778 \uc0c1\uc5c5\uc6a9 \uc124\uce58\uc758 \uacbd\uc6b0 $2,000-5,000\uc758 \ube44\uc6a9\uc774 \ub4e4\uc9c0\ub9cc $20,000-100,000 \uc774\uc0c1\uc758 \uc7a0\uc7ac\uc801 \uc190\uc0c1\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud569\ub2c8\ub2e4. \uc190\uc775\ubd84\uae30\uc810\uc740 \ub2e8 0.15\ud68c\uc758 \uc11c\uc9c0 \uc774\ubca4\ud2b8 \ud6c4\uc5d0 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\ud83d\udd27 SPD \uc120\ud0dd\uc5d0\ub294 \ub124 \uac00\uc9c0 \uc911\uc694\ud55c \uacc4\uc0b0\uc774 \ud544\uc694\ud569\ub2c8\ub2e4:<\/strong>&nbsp;\ucd5c\ub300 \uc2dc\uc2a4\ud15c \uc804\uc555(Voc \u00d7 \uc628\ub3c4 \u00d7 \uc548\uc804 \ub9c8\uc9c4), \ud544\uc694\ud55c \ubcf4\ud638 \uc218\uc900(Up &lt; 0.8 \u00d7 \uc7a5\ube44 \ub0b4\uc804\uc555), \ubc29\uc804 \uc804\ub958 \uc815\uaca9(\ub178\ucd9c \uc218\uc900 \uae30\uc900), \uae30\uc220 \uc120\ud0dd(\ucd5c\uc0c1\uc758 \uc131\ub2a5\uc744 \uc704\ud55c \ud558\uc774\ube0c\ub9ac\ub4dc MOV+GDT).<\/p>\n\n\n\n<p><strong>\ud83d\udcd0 \uc124\uce58 \ud488\uc9c8\uc774 \ubcf4\ud638 \ud6a8\uacfc\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/strong>&nbsp;\uc5f0\uacb0 \ucf00\uc774\ube14\uc744 0.5m \ubbf8\ub9cc\uc73c\ub85c \uc720\uc9c0\ud558\uace0, \ucd5c\uc18c 6AWG \uc811\uc9c0 \ub3c4\uccb4\ub97c \uc0ac\uc6a9\ud558\uba70, \ucf00\uc774\ube14 \ub8e8\ud504\ub97c \ud53c\ud558\uace0, \ubaa8\ub4e0 \uc5f0\uacb0\ubd80\uac00 \uc0ac\uc591\uc5d0 \ub9de\uac8c \uc870\uc5ec\uc838 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694. \uc798\ubabb \uc124\uce58\ud558\uba74 \ubcf4\ud638 \ud6a8\uacfc\uac00 50% \uc774\uc0c1 \uac10\uc18c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\ud83c\udfaf \uc870\uc728\ub41c \uce90\uc2a4\ucf00\uc774\ub4dc \ubcf4\ud638\uac00 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/strong>&nbsp;\uc5b4\ub808\uc774 \uacb0\ud569\uae30\uc5d0\ub294 \uc720\ud615 1+2 SPD\ub97c, \uc2a4\ud2b8\ub9c1 \ub808\ubca8\uc5d0\ub294 \uc720\ud615 2\ub97c, \uc778\ubc84\ud130 \uc785\ub825\uc5d0\ub294 \ucd5c\uc885 \uc720\ud615 2 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\uc138\uc694. \uac01 \ub2e8\uacc4\ub294 \uc810\uc9c4\uc801\uc73c\ub85c \ub0ae\uc740 \uc5c5 \uac12\uc744 \uac00\uc838\uc57c \ud558\uba70 \uc801\uc808\ud55c \uc870\uc815\uc744 \uc704\ud574 \uc801\uc808\ud55c \ucf00\uc774\ube14 \uae38\uc774\ub85c \ubd84\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p><strong>\u2705 \uaddc\uc815 \uc900\uc218\ub294 \uc120\ud0dd\uc774 \uc544\ub2cc \ud544\uc218\uc785\ub2c8\ub2e4.<\/strong>&nbsp;NEC 690.35\uc870 \ubc0f IEC 61643-31\uc740 PV \uc2dc\uc2a4\ud15c\uc5d0 \ub300\ud55c \uc11c\uc9c0 \ubcf4\ud638\ub97c \uc694\uad6c\ud569\ub2c8\ub2e4. \ud5c8\uac00 \uc2b9\uc778, \ubcf4\uc99d \uc720\ud6a8\uc131 \ubc0f \ubcf4\ud5d8 \uc801\uc6a9\uc744 \uc704\ud574\uc11c\ub294 \uc801\uc808\ud55c SPD \uc124\uce58\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc0ac\uc9c4\uacfc \uc2dc\uc6b4\uc804 \ubcf4\uace0\uc11c\ub85c \ubaa8\ub4e0 \uac83\uc744 \ubb38\uc11c\ud654\ud558\uc138\uc694.<\/p>\n\n\n\n<p><strong>\ud83d\udd04 SPD \uc218\uba85 \uc8fc\uae30 \uc720\uc9c0 \uad00\ub9ac \uacc4\ud68d.<\/strong>&nbsp;\ucd5c\uace0\uc758 SPD\ub3c4 \uc218\uba85\uc774 \ud55c\uc815\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4(\uc77c\ubc18\uc801\uc73c\ub85c \uc11c\uc9c0 \uc8fc\ud30c\uc218\uc5d0 \ub530\ub77c 5-10\ub144). \uc2dc\uac01\uc801 \uc0c1\ud0dc \ud45c\uc2dc\uae30\uc640 \uc6d0\uaca9 \ubaa8\ub2c8\ud130\ub9c1 \uae30\ub2a5\uc774 \uc788\ub294 \uc7a5\uce58\ub97c \uc9c0\uc815\ud558\uace0 \uc9c0\uc18d\uc801\uc778 \ubcf4\ud638 \uae30\ub2a5\uc744 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc5f0\uac04 \uac80\uc0ac \uc77c\uc815\uc744 \uc7a1\uc73c\uc138\uc694.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ubaa8\ub4e0 \uc2a4\ud2b8\ub9c1\uc5d0 SPD\uac00 \ud544\uc694\ud55c\uac00\uc694, \uc544\ub2c8\uba74 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uc5d0\ub9cc \ud544\uc694\ud55c\uac00\uc694?<\/h3>\n\n\n\n<p><strong>\ubaa8\ubc94 \uc0ac\ub840\ub294 \ub450 \uac00\uc9c0 \uc218\uc900 \ubaa8\ub450\uc5d0\uc11c \ubcf4\ud638\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/strong>&nbsp;\ucef4\ubc14\uc774\ub108 \uc218\uc900\uc758 \ubcf4\ud638\uac00 \ucd5c\uc18c \uc694\uad6c \uc0ac\ud56d\uc778 \ubc18\uba74, \uc2a4\ud2b8\ub9c1 \uc218\uc900\uc758 SPD\ub294 \uc11c\uc9c0\uac00 \uc2dc\uc2a4\ud15c\uc744 \ud1b5\ud574 \uc804\ud30c\ub418\uae30 \uc804\uc5d0 \uc11c\uc9c0\uc5d0 \ub300\ud55c 1\ucc28 \ubc29\uc5b4 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ucd5c\uc801\uc758 \ubcf4\ud638\ub97c \uc704\ud574:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc911\uc694\ud55c \uc124\uce58<\/strong>\u00a0(\uc0c1\uc5c5\uc6a9, \uc720\ud2f8\ub9ac\ud2f0 \uaddc\ubaa8): \uc2a4\ud2b8\ub9c1 \ubc0f \ucef4\ubc14\uc774\ub108 \ub808\ubca8 \ubaa8\ub450\uc5d0 SPD \uc124\uce58<\/li>\n\n\n\n<li><strong>\uc608\uc0b0\uc5d0 \ubbfc\uac10\ud55c \uc8fc\uac70\uc6a9<\/strong>\u00a0(20kW \ubbf8\ub9cc): \ucef4\ubc14\uc774\ub108 \ub610\ub294 \uc778\ubc84\ud130 \uc785\ub825\uc5d0\uc11c \ucd5c\uc18c \ubcf4\ud638\uac00 \ud5c8\uc6a9\ub428<\/li>\n\n\n\n<li><strong>\ubc88\uac1c\uac00 \ub9ce\uc774 \uce58\ub294 \uc9c0\uc5ed<\/strong>: \ubb38\uc790\uc5f4 \uc218\uc900 \ubcf4\ud638\ub294 \ud611\uc0c1\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>\uc2a4\ud2b8\ub9c1 \ub808\ubca8 \ubcf4\ud638\ub294 \uc2a4\ud2b8\ub9c1\uc774 \uc0c1\ub2f9\ud55c \uac70\ub9ac(50\ubbf8\ud130 \uc774\uc0c1)\ub85c \ub5a8\uc5b4\uc838 \uc788\uac70\ub098 \uc5b4\ub808\uc774 \ubc30\uc120\uc774 \ub178\ucd9c\ub41c \uacbd\uc6b0 \ud2b9\ud788 \uc911\uc694\ud569\ub2c8\ub2e4. \ubcf4\ud638 \ud6a8\uacfc\uc5d0 \ube44\ud574 \ucd94\uac00 \ube44\uc6a9\uc740 \ubbf8\ubbf8\ud569\ub2c8\ub2e4(\uc77c\ubc18\uc801\uc73c\ub85c \uc2a4\ud2b8\ub9c1\ub2f9 $150-200).<\/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>\uc720\ud615 1 SPD\ub294 \uc9c1\uc811 \ub099\ub8b0\ub97c \ucc98\ub9ac\ud558\uace0, \uc720\ud615 2 SPD\ub294 \uac04\uc811 \ub099\ub8b0 \ubc0f \uc2a4\uc704\uce6d \uc11c\uc9c0\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<p>\uc720\ud615 1 \uc7a5\uce58\ub294 10\/350\u03bcs \uc784\ud384\uc2a4 \uc804\ub958 \ud30c\ud615\uc73c\ub85c \ud14c\uc2a4\ud2b8\ub418\uba70, \uc774\ub294 \uc9c1\uc811 \ud0c0\uaca9\uc73c\ub85c \uc778\ud55c \ub192\uc740 \uc5d0\ub108\uc9c0\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc720\ud615 2 \uc7a5\uce58\ubcf4\ub2e4 40~50\ubc30 \ub354 \ub9ce\uc740 \uc5d0\ub108\uc9c0\ub97c \ubc29\ucd9c\ud560 \uc218 \uc788\uc9c0\ub9cc \ub354 \ud06c\uace0 \ub354 \ube44\uc309\ub2c8\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0 \uc720\ud615 1 SPD\ub97c \uc0ac\uc6a9\ud558\uc138\uc694:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc5b4\ub808\uc774\uac00 \uc624\ud508 \ud544\ub4dc\uc5d0 \uc788\uc74c(\uc9c0\uc0c1 \uc124\uce58)<\/li>\n\n\n\n<li>\uc124\uce58 \uc704\uce58\ub294 \ud574\ub2f9 \uc9c0\uc5ed\uc758 \uac00\uc7a5 \ub192\uc740 \uc9c0\uc810\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc9c0\uc5ed \ubc88\uac1c \ubc00\ub3c4\uac00 \uc5f0\uac04 3\ubc88\/km\u00b2\ub97c \ucd08\uacfc\ud558\ub294 \uacbd\uc6b0<\/li>\n\n\n\n<li>\uc9c0\uc5ed \ucf54\ub4dc\uc5d0\ub294 \uc720\ud615 1 \ubcf4\ud638\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>\uc720\ud615 2 \uc7a5\uce58\ub294 8\/20 \u03bcs \ud30c\ud615\uc73c\ub85c \ud14c\uc2a4\ud2b8\ub418\uc5c8\uc73c\uba70 \uac04\uc811 \ud0c0\uaca9(\uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc704\ud611)\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4. \ub354 \ub098\uc740 \uc804\uc555 \ud074\ub7a8\ud551(\ub354 \ub0ae\uc740 \uc704\ucabd)\uc744 \uc81c\uacf5\ud558\uba70 \ub300\ubd80\ubd84\uc758 \uc625\uc0c1 \uc124\uce58\uc5d0 \ucda9\ubd84\ud569\ub2c8\ub2e4.<\/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 \uce21\uc5d0\uc11c AC SPD\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n\n\n\n<p><strong>\uc808\ub300\uc801\uc73c\ub85c \ube44-AC \ubc0f DC SPD\ub294 \uadfc\ubcf8\uc801\uc73c\ub85c \ub2e4\ub974\uba70 \uc0c1\ud638 \uad50\ud658\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<p>AC SPD\ub294 AC \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ucd08\ub2f9 100-120\ud68c \ubc1c\uc0dd\ud558\ub294 \uc790\uc5f0 \uc804\ub958 \uc81c\ub85c \ud06c\ub85c\uc2f1\uc5d0 \uc758\uc874\ud558\uc5ec \uc11c\uc9c0 \ubcf4\ud638 \ud6c4 \ud6c4\uc18d \uc804\ub958\ub97c \uc18c\uba78\uc2dc\ud0b5\ub2c8\ub2e4. DC \uc2dc\uc2a4\ud15c\uc5d0\ub294 \uc81c\ub85c \ud06c\ub85c\uc2f1\uc774 \uc5c6\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>GDT \uae30\ubc18 AC SPD\ub294 \ub2e8\ub77d \ubaa8\ub4dc\ub85c \ub798\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/strong>\u00a0DC \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc601\uad6c \uacb0\ud568 \ubc1c\uc0dd<\/li>\n\n\n\n<li><strong>Arc extinction mechanisms designed for AC won&#8217;t function<\/strong>\u00a0DC \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc81c\ub300\ub85c<\/li>\n\n\n\n<li><strong>\uc804\uc555 \ub4f1\uae09\uc740 \ud06c\uac8c \ub2e4\ub985\ub2c8\ub2e4.<\/strong>\u00a0\uc11c\ub85c \ub2e4\ub978 \uc2a4\ud2b8\ub808\uc2a4 \ud2b9\uc131\uc73c\ub85c \uc778\ud574 AC\uc640 DC \uc0ac\uc774\uc758<\/li>\n<\/ul>\n\n\n\n<p>DC SPD\ub294 \ud0dc\uc591\uad11 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc6a9\uc73c\ub85c \ud2b9\ubcc4\ud788 \uc124\uacc4 \ubc0f \uc815\uaca9\ud654\ub41c \uc81c\ud488\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GDT \uae30\uc220\uc744 \uc704\ud55c \uc544\ud06c \uc18c\ud638 \ub610\ub294 \uc804\ub958 \uc81c\ud55c \ud68c\ub85c<\/li>\n\n\n\n<li>DC \uc804\uc555 \uc2a4\ud2b8\ub808\uc2a4\uc5d0 \ub530\ub978 \uc801\uc808\ud55c Uc \uc815\uaca9<\/li>\n\n\n\n<li>DC \uc544\ud06c\uc5d0 \uc801\ud569\ud55c \uc5f4 \ucc28\ub2e8\uae30<\/li>\n\n\n\n<li>IEC 61643-31(PV \uad00\ub828 \ud45c\uc900)\uc5d0 \ub530\ub978 \ud14c\uc2a4\ud2b8 \ubc0f \uc778\uc99d<\/li>\n<\/ul>\n\n\n\n<p><strong>DC \ud68c\ub85c\uc5d0 AC SPD\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc740 \uaddc\uc815 \uc704\ubc18, \ubcf4\uc99d \ubb34\ud6a8\ud654 \ubc0f \uc2ec\uac01\ud55c \uc548\uc804 \uc704\ud5d8\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4. \ud56d\uc0c1 DC \uc815\uaca9\uc758 PV \uc804\uc6a9 \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\ub97c \uc9c0\uc815\ud558\uc138\uc694.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SPD \uad50\uccb4\uac00 \ud544\uc694\ud55c \uc2dc\uae30\ub97c \uc5b4\ub5bb\uac8c \uc54c \uc218 \uc788\ub098\uc694?<\/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>\ucd5c\uc2e0 PV \uc2a4\ud2b8\ub9c1 \uc11c\uc9c0 \ubcf4\ud638 \uc7a5\uce58\uc5d0\ub294 \uc5ec\ub7ec \uac00\uc9c0 \uace0\uc7a5 \ud45c\uc2dc \ubc29\ubc95\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<p><strong>\uc2dc\uac01\uc801 \ud45c\uc2dc\uae30:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc791\ub3d9 \uc0c1\ud0dc\ub97c \ud45c\uc2dc\ud558\ub294 \ub179\uc0c9\/\ube68\uac04\uc0c9 \ud45c\uc2dc\ucc3d<\/li>\n\n\n\n<li>&#8220;OK&#8221; vs &#8220;FAULT&#8221; markings visible without opening enclosure<\/li>\n\n\n\n<li>\uc77c\ubd80 \uc7a5\uce58\uc5d0\ub294 \ud31d\uc544\uc6c3 \uae30\uacc4\uc2dd \ud45c\uc2dc\uae30\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p><strong>\uc804\uae30 \ud45c\uc2dc\uae30:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc6d0\uaca9 \uc811\uc810 \ucd9c\ub825(\ud3c9\uc0c1\uc2dc \ub2eb\ud600 \uc788\ub294 \uc811\uc810\uc774 \uc7a5\uc560 \ubc1c\uc0dd \uc2dc \uc5f4\ub9bc)<\/li>\n\n\n\n<li>\ubaa8\ub2c8\ud130\ub9c1 \uc2dc\uc2a4\ud15c\uc5d0 \ub300\ud55c \uac74\uc2dd \uc811\uc810 \uc2e0\ud638<\/li>\n\n\n\n<li>\uc77c\ubd80 \uace0\uae09 \ubaa8\ub378\uc740 Modbus\/SNMP \uc6d0\uaca9 \ubaa8\ub2c8\ud130\ub9c1\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p><strong>\uac80\uc0ac \uc77c\uc815:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc5f0\uac04 \uc721\uc548 \uac80\uc0ac<\/strong>: \uc815\uae30 \uc720\uc9c0\ubcf4\uc218 \uc911 \uc0c1\ud0dc \ud45c\uc2dc\uae30 \ud655\uc778<\/li>\n\n\n\n<li><strong>\ud3ed\ud48d \ud6c4 \uac80\uc0ac<\/strong>: \uc545\ucc9c\ud6c4 \ubc1c\uc0dd \ud6c4 24\uc2dc\uac04 \uc774\ub0b4 \uac80\uc0ac<\/li>\n\n\n\n<li><strong>\ubd84\uae30\ubcc4 \uc6d0\uaca9 \ubaa8\ub2c8\ud130\ub9c1 \uc810\uac80<\/strong>: SCADA\/\ubaa8\ub2c8\ud130\ub9c1 \uc2dc\uc2a4\ud15c\uc5d0 \uc5f0\uacb0\ub41c \uacbd\uc6b0<\/li>\n<\/ul>\n\n\n\n<p><strong>\uad50\uccb4 \uc2dc\uae30:<\/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>\uc6d0\uaca9 \ubaa8\ub2c8\ud130\ub9c1\uc73c\ub85c SPD \uc7a5\uc560 \ud45c\uc2dc<\/li>\n\n\n\n<li>\uc9c1\uaca9\ub8b0\ub97c \ub9de\uc740 \uac83\uc73c\ub85c \uc54c\ub824\uc9c4 \ud6c4(\uc608\ubc29 \ucc28\uc6d0\uc5d0\uc11c \uad50\uccb4)<\/li>\n\n\n\n<li>\uac89\uc73c\ub85c \ub4dc\ub7ec\ub09c \uc0c1\ud0dc\uc640 \uad00\uacc4\uc5c6\uc774 5~10\ub144 \ud6c4(\uc608\ubc29\uc801 \uad50\uccb4)<\/li>\n\n\n\n<li>\ub204\uc124 \uc804\ub958 \uce21\uc815\uac12\uc774 \uc815\uaca9\uac12\uc758 10\ubc30\ub97c \ucd08\uacfc\ud558\ub294 \uacbd\uc6b0<\/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 \uc2dc\uc2a4\ud15c\uc5d0\ub294 \uc5b4\ub5a4 \uc804\uc555 \ub4f1\uae09\uc744 \uc120\ud0dd\ud574\uc57c \ud558\ub098\uc694?<\/h3>\n\n\n\n<p><strong>\uacf5\uce6d \uc2dc\uc2a4\ud15c \uc804\uc555\uc774 \uc544\ub2cc \ucd5c\uc545\uc758 Voc\ub97c \uae30\uc900\uc73c\ub85c SPD \uc804\uc555 \uc815\uaca9\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<p>For&nbsp;<strong>1000V \uacf5\uce6d \uc2dc\uc2a4\ud15c<\/strong>:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\uc77c\ubc18\uc801\uc778 \ucd5c\ub300 Voc(\uc800\uc628): 1,100-1,200V\n\uad8c\uc7a5 SPD Uc \ub4f1\uae09: 1,500V DC\n\ud45c\uc900 \ubcf4\ud638 \uc218\uc900(\uc0c1\ud5a5): 3.5-4.0kV<\/code><\/pre>\n\n\n\n<p>For&nbsp;<strong>1500V \uacf5\uce6d \uc2dc\uc2a4\ud15c<\/strong>:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\uc77c\ubc18\uc801\uc778 \ucd5c\ub300 Voc(\uc800\uc628): 1,650-1,800V\n\uad8c\uc7a5 SPD Uc \uc815\uaca9: 2,000V DC\n\ud45c\uc900 \ubcf4\ud638 \uc218\uc900(\uc0c1\ud5a5): 5.0~6.0kV<\/code><\/pre>\n\n\n\n<p><strong>\uc911\uc694\ud55c \uacc4\uc0b0 \ub2e8\uacc4:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\ud45c\uc900 \ud14c\uc2a4\ud2b8 \uc870\uac74(STC)\uc5d0\uc11c \ubb38\uc790\uc5f4 Voc \uacc4\uc0b0\ud558\uae30<\/li>\n\n\n\n<li>\uc608\uc0c1 \ucd5c\uc800 \uc628\ub3c4\uc5d0 \ub300\ud55c \uc628\ub3c4 \ubcf4\uc815 \uc801\uc6a9<\/li>\n\n\n\n<li>15-20% \uc548\uc804 \ub9c8\uc9c4 \ucd94\uac00<\/li>\n\n\n\n<li>\ub2e4\uc74c\uc73c\ub85c \ub192\uc740 \ud45c\uc900 SPD \uc804\uc555 \ub4f1\uae09 \uc120\ud0dd<\/li>\n<\/ol>\n\n\n\n<p><strong>1500V \uc2dc\uc2a4\ud15c\uc758 \uc608\uc785\ub2c8\ub2e4:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubaa8\ub4c8 Voc(STC): 52V<\/li>\n\n\n\n<li>\ubb38\uc790\uc5f4 \uae38\uc774: 28\uac1c \ubaa8\ub4c8<\/li>\n\n\n\n<li>STC\uc5d0\uc11c\uc758 \uc74c\uc131: 1,456V<\/li>\n\n\n\n<li>\ucd5c\uc800 \uc628\ub3c4: -10\u00b0C(\uc601\ud558 35\u00b0C \uc774\ud558)<\/li>\n\n\n\n<li>\uc628\ub3c4 \uc0c1\uc2b9: 1,456V \u00d7 35\u00b0C \u00d7 0.0035 = 178V<\/li>\n\n\n\n<li>\ucd5c\ub300 Voc: 1,456V + 178V = 1,634V<\/li>\n\n\n\n<li>20% \uc548\uc804 \ub9c8\uc9c4 \uc0ac\uc6a9: 1,634V \u00d7 1.2 = 1,961V<\/li>\n\n\n\n<li><strong>Uc = 2,000V DC(\ud45c\uc900 \uc815\uaca9)\uc758 SPD \uc120\ud0dd<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>\ube44\uc6a9\uc744 \uc808\uac10\ud558\uae30 \uc704\ud574 SPD \uc804\uc555 \uc815\uaca9\uc744 \ub0ae\ucd94\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \ud06c\uae30\uac00 \uc791\uc740 SPD\ub294 \ub192\uc740 Voc \uc870\uac74\uc5d0 \ub178\ucd9c\ub418\uba74 \uc131\ub2a5\uc774 \uae09\uaca9\ud788 \uc800\ud558\ub418\uac70\ub098 \uc870\uae30\uc5d0 \uace0\uc7a5\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/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>MOV \uc804\uc6a9 SPD\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0\uc5d0 \uc120\ud0dd\ud569\ub2c8\ub2e4:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc608\uc0b0\uc774 \uc8fc\uc694 \uc81c\uc57d \uc870\uac74(\uc8fc\uac70\uc6a9 \uc124\uce58)<\/li>\n\n\n\n<li>\uc11c\uc9c0 \ube48\ub3c4\uac00 \ub0ae\uc74c(\uc5f0\uac04 5\uac74 \ubbf8\ub9cc\uc758 \uc911\uc694\ud55c \uc774\ubca4\ud2b8 \uc608\uc0c1)<\/li>\n\n\n\n<li>\ube60\ub978 \uc751\ub2f5 \uc2dc\uac04(25\ub098\ub178\ucd08 \ubbf8\ub9cc)\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc800\uc804\uc555 \ud074\ub7a8\ud551(\uc704)\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc2dc\uc2a4\ud15c\uc774 \ub099\ub8b0 \ub178\ucd9c\uc774 \ub0ae\uac70\ub098 \uc911\uac04 \uc815\ub3c4\uc778 \uc9c0\uc5ed\uc5d0 \uc788\ub294 \uacbd\uc6b0<\/li>\n<\/ul>\n\n\n\n<p><strong>\ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0 GDT \uc804\uc6a9 SPD\ub97c \uc120\ud0dd\ud558\uc138\uc694:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub192\uc740 \ubc29\uc804 \uc804\ub958 \uc6a9\ub7c9\uc774 \ud544\uc694\ud568(\uc9c1\uc811 \ud0c0\uaca9 \uad6c\uc5ed)<\/li>\n\n\n\n<li>\ucd5c\ub300 \uc218\uba85\uc774 \uc911\uc694(\uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \uc131\ub2a5 \uc800\ud558 \ucd5c\uc18c\ud654)<\/li>\n\n\n\n<li>\uace0\uc628 \ud658\uacbd\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \uc2dc\uc2a4\ud15c<\/li>\n\n\n\n<li>\ub204\uc124 \uc804\ub958 \uc81c\ub85c\ud654\ub294 \ud544\uc218<\/li>\n\n\n\n<li>\uc608\uc0b0\uc73c\ub85c \ub354 \ub192\uc740 \ucd08\uae30 \ud22c\uc790 \uac00\ub2a5<\/li>\n<\/ul>\n\n\n\n<p><strong>\ud558\uc774\ube0c\ub9ac\ub4dc MOV+GDT SPD\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0\uc5d0 \uc120\ud0dd\ud569\ub2c8\ub2e4:<\/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>\uc7a5\uae30\uc801\uc778 \uc548\uc815\uc131\uc774 \uac00\uc7a5 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc2dc\uc2a4\ud15c\uc774 \uc911\uac04\uc5d0\uc11c \ub192\uc740 \ub099\ub8b0 \ub178\ucd9c \uc0c1\ud0dc\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc6d0\uaca9 \ubaa8\ub2c8\ud130\ub9c1 \ubc0f \uc0c1\ud0dc \ud45c\uc2dc\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ucd08\uae30 \ube44\uc6a9\ubfd0\ub9cc \uc544\ub2c8\ub77c \ucd1d\uc18c\uc720\ube44\uc6a9\uc774 \uc758\uc0ac \uacb0\uc815\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p><strong>\uc5c5\uacc4 \ud2b8\ub80c\ub4dc\ub294 \ud558\uc774\ube0c\ub9ac\ub4dc \ub514\uc790\uc778<\/strong>&nbsp;\ub450 \uae30\uc220\uc758 \uc7a5\uc810\uc744 \uacb0\ud569\ud588\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac15\ub825\ud55c GDT \uc5d0\ub108\uc9c0 \ucc98\ub9ac\ub85c \ube60\ub978 MOV \ub300\uc751<\/li>\n\n\n\n<li>\uc544\ud06c \ub2f4\uae08\uc9c8 \ud68c\ub85c\ub85c GDT \ud6c4\uc18d \uc804\ub958 \uc6b0\ub824 \uc81c\uac70<\/li>\n\n\n\n<li>\uc7a5\uae30\uc801\uc778 \uc548\uc815\uc131\uc774 \ub6f0\uc5b4\ub098\ubbc0\ub85c \uc57d\uac04 \ub192\uc740 \ube44\uc6a9\ub3c4 \uac10\uc218\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p><strong>\uc2dc\uc2a4\ud15c \uac00\ub3d9 \uc2dc\uac04\uacfc \uc7a5\uae30\uc801\uc778 \ubcf4\ud638\uac00 \uc6b0\uc120\uc2dc\ub418\ub294 \uc804\ubb38\uac00\uc6a9 \uc124\uce58\uc758 \uacbd\uc6b0 \ud558\uc774\ube0c\ub9ac\ub4dc \uae30\uc220\uc744 \uc9c0\uc815\ud558\uba74 20~30% \ub192\uc740 \ucd08\uae30 \ube44\uc6a9\uc744 \uc5f0\uc7a5\ub41c \uc218\uba85\uacfc \uc6b0\uc218\ud55c \ubcf4\ud638 \uc131\ub2a5\uc73c\ub85c \ud68c\uc218\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SPD\ub294 \uc7a5\ube44\uc5d0 \uc5bc\ub9c8\ub098 \uac00\uae4c\uc774 \uc124\uce58\ud574\uc57c \ud558\ub098\uc694?<\/h3>\n\n\n\n<p><strong>SPD\uc640 \ubcf4\ud638 \uc7a5\ube44 \uc0ac\uc774\uc758 \ucd1d \ucf00\uc774\ube14 \uae38\uc774\ub294 \ucd5c\ub300 0.5\ubbf8\ud130(50cm) - \uc9e7\uc744\uc218\ub85d \uc88b\uc2b5\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<p>\uc911\uc694\ud55c \uc6d0\ub9ac: \uc5f0\uacb0 \ucf00\uc774\ube14 1\ubbf8\ud130\ub9c8\ub2e4 \uc778\ub355\ud134\uc2a4(\uc57d 1\u03bcH\/\ubbf8\ud130)\uac00 \ucd94\uac00\ub418\uc5b4 \ube60\ub978 \uc11c\uc9c0 \ubc1c\uc0dd \uc2dc \uc804\uc555\uc774 \ucd94\uac00\ub85c \uc0c1\uc2b9\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<p><strong>\uc804\uc555 \uc0c1\uc2b9 \uacc4\uc0b0:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>V_additional = L \u00d7 (di\/dt)\n\n2\ubbf8\ud130 \ucf00\uc774\ube14 \uc0ac\uc6a9 \uc608\uc2dc:\nL = 2\ubbf8\ud130 \u00d7 1\u03bcH\/\ubbf8\ud130 = 2\u03bcH\ndi\/dt = 50kA\/\u03bcs(\uc77c\ubc18\uc801\uc778 \ubc88\uac1c \uc11c\uc9c0 \uc18d\ub3c4)\nV_\ucd94\uac00 = 2\u03bcH \u00d7 50,000A\/\u03bcs = 100m\ub2f9 100V\n\n\ucd1d \ucd94\uac00 \uc804\uc555 = 200V<\/code><\/pre>\n\n\n\n<p>\uc774 \ucd94\uac00 \uc804\uc555\uc740 \ubcf4\ud638 \uc7a5\ube44\uc5d0 \ub098\ud0c0\ub0a9\ub2c8\ub2e4.&nbsp;<em>\uc704\uc5d0<\/em>&nbsp;the SPD&#8217;s voltage protection level (Up), effectively reducing protection performance.<\/p>\n\n\n\n<p><strong>\uc124\uce58 \ubaa8\ubc94 \uc0ac\ub840:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc774\uc0c1\uc801\uc778 \uac70\ub9ac<\/strong>: &lt; 0.3\ubbf8\ud130(30cm) \ubbf8\ub9cc<\/li>\n\n\n\n<li><strong>\ud5c8\uc6a9\ub418\ub294 \ucd5c\ub300<\/strong>: 0.5\ubbf8\ud130(50\uc13c\ud2f0\ubbf8\ud130)<\/li>\n\n\n\n<li><strong>\uc7a5\uae30 \uc2e4\ud589\uc774 \ubd88\uac00\ud53c\ud55c \uacbd\uc6b0<\/strong>: \ub354 \ud070 \ub3c4\uccb4(\ucd5c\uc18c 6AWG\/10mm\u00b2) \ubc0f \ud2b8\uc704\uc2a4\ud2b8 \ud398\uc5b4 \ub77c\uc6b0\ud305 \uc0ac\uc6a9<\/li>\n\n\n\n<li><strong>\ucf00\uc774\ube14 \ub77c\uc6b0\ud305<\/strong>: \uc2e0\ud638 \ucf00\uc774\ube14\uc744 \ub8e8\ud504, \ucf54\uc77c \ub610\ub294 \ubcd1\ub82c\ub85c \uc5f0\uacb0\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li><strong>\uc7a5\ucc29 \uc704\uce58<\/strong>: \uc7a5\ube44 \ub2e8\uc790\uc5d0 \uac00\ub2a5\ud55c \ud55c \ubb3c\ub9ac\uc801\uc73c\ub85c \uac00\uae4c\uc6b4 \uacf3\uc5d0 SPD \uc124\uce58<\/li>\n<\/ul>\n\n\n\n<p><strong>\uc804\ubb38\uac00 \ud301: \uc124\uce58 \uc804\uc5d0 SPD \uc5f0\uacb0 \ucf00\uc774\ube14\uc744 \ud544\uc694\ud55c \uae38\uc774\uc5d0 \ub9de\uac8c \ubbf8\ub9ac \uc808\ub2e8\ud558\uc138\uc694. \uae54\ub054\ud55c \ucf00\uc774\ube14 \uad00\ub9ac\ubcf4\ub2e4 \ubcf4\ud638 \ud6a8\uacfc\uac00 \ub354 \uc911\uc694\ud558\ubbc0\ub85c SPD \uc7a5\ucc29 \uc704\uce58\ub97c \uc7ac\ubc30\uce58\ud574\uc57c \ud558\ub294 \uacbd\uc6b0\uc5d0\ub3c4 \uc9e7\uace0 \uc9c1\uc811\uc801\uc778 \ucf00\uc774\ube14\uc744 \uc0ac\uc6a9\ud558\uc138\uc694.<\/strong><\/p>\n\n\n\n<p>\ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uac00 \uc5ec\ub7ec \uac1c \uc788\ub294 \ub300\ud615 \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0 \uc911\uc559 SPD \uc704\uce58\uae4c\uc9c0 \uae34 \ucf00\uc774\ube14\uc744 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0 \uac01 \ucef4\ubc14\uc774\ub108 \ubc15\uc2a4\uc5d0 SPD\ub97c \ubc30\uce58\ud558\uc138\uc694. \ubd84\uc0b0 \ubcf4\ud638\ub294 \ucf00\uc774\ube14 \uae38\uc774\uac00 \uae34 \uc911\uc559 \uc9d1\uc911\uc2dd \ubcf4\ud638\ubcf4\ub2e4 \ub354 \ud6a8\uacfc\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SPD\uac00 \uc2dc\uc2a4\ud15c \uc131\ub2a5\uc774\ub098 \ud6a8\uc728\uc131\uc5d0 \uc601\ud5a5\uc744 \uc8fc\ub098\uc694?<\/h3>\n\n\n\n<p><strong>\uc801\uc808\ud558\uac8c \uc120\ud0dd \ubc0f \uc124\uce58\ub41c SPD\ub294 \uc815\uc0c1 \uc791\ub3d9 \uc911 \uc2dc\uc2a4\ud15c \uc131\ub2a5\uc5d0 \uc804\ud600 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<p><strong>\uc815\uc0c1 \uc791\ub3d9 \uc911:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc804\uc555 \uac15\ud558<\/strong>: \uc0ac\uc2e4\uc0c1 0(SPD\ub294 \uc815\uc0c1 \uc870\uac74\uc5d0\uc11c \uac1c\ubc29 \ud68c\ub85c\uc784)<\/li>\n\n\n\n<li><strong>\uc804\ub825 \uc190\uc2e4<\/strong>: \ubb34\uc2dc\ud560 \uc218 \uc788\uc74c(\uc2dc\uc2a4\ud15c \ucd9c\ub825\uc758 0.001% \ubbf8\ub9cc)<\/li>\n\n\n\n<li><strong>\ud6a8\uc728\uc131 \uc601\ud5a5<\/strong>: \uce21\uc815 \ubd88\uac00<\/li>\n\n\n\n<li><strong>EMI\/RFI \ud6a8\uacfc<\/strong>: \uc5c6\uc74c(SPD\ub294 \uc2e4\uc81c\ub85c \uc804\uae30 \uc18c\uc74c\uc744 \uc904\uc77c \uc218 \uc788\uc74c)<\/li>\n<\/ul>\n\n\n\n<p><strong>\ub204\uc124 \uc804\ub958 \uace0\ub824 \uc0ac\ud56d:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MOV \uae30\ubc18 SPD: 10~100\u03bcA \ub204\uc124(\ub178\ud654\ub85c \uc778\ud574 \ub204\uc124 \uc99d\uac00)<\/li>\n\n\n\n<li>GDT \uae30\ubc18 SPD: &lt; 1\u03bcA \ubbf8\ub9cc \ub204\uc124<\/li>\n\n\n\n<li>1000V\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 100kW \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0: 100\u03bcA \ub204\uc124 = 0.1W \uc804\ub825 \uc190\uc2e4(\ucd9c\ub825 0.0001%)<\/li>\n\n\n\n<li><strong>\uc131\ub2a5\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5: \ud5e4\uc544\ub9b4 \uc218 \uc5c6\uc74c<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>\uc11c\uc9c0 \uc774\ubca4\ud2b8 \uc911:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub098\ub178\ucd08 \ub0b4\uc5d0 SPD\uac00 \ud65c\uc131\ud654\ub418\uc5b4 \uc804\uc555\uc744 \uc548\uc804 \uc218\uc900\uc73c\ub85c \ud074\ub7a8\ud551\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc11c\uc9c0 \ud6c4 SPD\ub294 \uace0\uc784\ud53c\ub358\uc2a4 \uc0c1\ud0dc\ub85c \ub3cc\uc544\uac11\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc2dc\uc2a4\ud15c \uc791\ub3d9\uc5d0 \uc794\ub958 \ud6a8\uacfc \uc5c6\uc74c<\/li>\n\n\n\n<li>\ucd5c\uc2e0 SPD\ub294 \uc790\uccb4 \ud14c\uc2a4\ud2b8\ud558\uc5ec \uc131\ub2a5 \uc800\ud558\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p><strong>\uc798\ubabb \uc801\uc6a9\ud55c \uacbd\uc6b0\uc5d0\ub9cc \uc7a0\uc7ac\uc801\uc778 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Uc \ub4f1\uae09 \ubbf8\ub2ec<\/strong>: \ub192\uc740 Voc \uc870\uac74\uc5d0\uc11c SPD\uac00 \ud074\ub7a8\ud551\ub418\uc5b4 \uc2dc\uc2a4\ud15c \uc624\ub958\ub85c \ub098\ud0c0\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uad50\uccb4\ub418\uc9c0 \uc54a\uc740 \uace0\uc7a5\ub09c SPD<\/strong>: \ub2e8\ub77d\uc73c\ub85c \ud45c\uc2dc\ub418\uc5b4 \uc2dc\uc2a4\ud15c \uc791\ub3d9\uc744 \ubc29\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc798\ubabb\ub41c \uadf9\uc131<\/strong>: \uc811\uc9c0 \uc624\ub958\ub97c \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4(\uc124\uce58 \uc9c0\uce68\uc744 \uc8fc\uc758 \uae4a\uac8c \ub530\ub974\uc2ed\uc2dc\uc624).<\/li>\n<\/ul>\n\n\n\n<p><strong>\uacb0\ub860<\/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>\ucd5c\uc885 \uc0dd\uac01:<\/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=\"cnkuangya\" 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 [&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\/ko\/wp-json\/wp\/v2\/posts\/2267","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/comments?post=2267"}],"version-history":[{"count":1,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/posts\/2267\/revisions"}],"predecessor-version":[{"id":2270,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/posts\/2267\/revisions\/2270"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/media?parent=2267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/categories?post=2267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ko\/wp-json\/wp\/v2\/tags?post=2267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}