{"id":19735,"date":"2025-11-12T10:28:31","date_gmt":"2025-11-12T02:28:31","guid":{"rendered":"https:\/\/viox.com\/?p=19735"},"modified":"2025-11-12T10:28:33","modified_gmt":"2025-11-12T02:28:33","slug":"how-to-wire-solar-panels-combiner-box-safely","status":"publish","type":"post","link":"https:\/\/test.viox.com\/ja\/how-to-wire-solar-panels-combiner-box-safely\/","title":{"rendered":"\u8907\u6570\u306e\u30bd\u30fc\u30e9\u30fc\u30d1\u30cd\u30eb\u3092\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306b\u5b89\u5168\u306b\u914d\u7dda\u3059\u308b\u65b9\u6cd5\uff08\u304a\u3088\u3073\u30a2\u30fc\u30af\u30d5\u30e9\u30c3\u30b7\u30e5\u306e\u9a5a\u304d\u3092\u907f\u3051\u308b\u65b9\u6cd5\uff09"},"content":{"rendered":"
\n

\"How<\/p>\n

\u5348\u524d8\u664247\u5206\u3002\u592a\u967d\u5149\u767a\u96fb\u8a2d\u7f6e\u696d\u8005\u304c\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u84cb\u306e\u30e9\u30c3\u30c1\u3092\u5916\u3059\u3002\u5185\u90e8\u306b\u306f\u30016\u3064\u306ePV\u30b9\u30c8\u30ea\u30f3\u30b0\u304c\u7d42\u7aef\u3057\u3066\u304a\u308a\u3001 \u30d0\u30b9\u30d0\u30fc<\/a>, \u305d\u308c\u305e\u308c\u304c\u30d2\u30e5\u30fc\u30ba\u3092\u5f85\u3063\u3066\u3044\u308b\u3002\u5f7c\u306f\u7d76\u7e01\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u624b\u306b\u53d6\u308a\u3001\u6700\u521d\u306e\u30d7\u30e9\u30b9\u7dda\u306b\u624b\u3092\u4f38\u3070\u3057\u3066\u63a5\u89e6\u3055\u305b\u308b\u30020.3\u79d2\u3067\u3001400Vdc\u306e\u30a2\u30fc\u30af\u30d5\u30e9\u30c3\u30b7\u30e5\u304c\u767a\u751f\u3059\u308b\u3002\u6eb6\u63a5\u30c8\u30fc\u30c1\u3088\u308a\u3082\u660e\u308b\u304f\u3001\u9285\u3092\u6c17\u5316\u3055\u305b\u308b\u307b\u3069\u9ad8\u6e29\u3060\u3002\u5f7c\u306e\u5b89\u5168\u30e1\u30ac\u30cd\u306f\u9854\u306b\u6eb6\u3051\u8fbc\u3080\u3002\u30a2\u30fc\u30af\u306f\u81ea\u5df1\u6301\u7d9a\u3057\u3001DC\u96fb\u6d41\u3092\u4f9b\u7d66\u3057\u7d9a\u3051\u300150\u30d5\u30a3\u30fc\u30c8\u96e2\u308c\u305f\u30d6\u30ec\u30fc\u30ab\u30fc\u304c\u3064\u3044\u306b\u30c8\u30ea\u30c3\u30d7\u3059\u308b\u307e\u3067\u7d9a\u304f\u3002\u533b\u7642\u8cbb\uff1aER\u53d7\u8a3a\u30672,500\u30c9\u30eb\u3002\u4f11\u696d\uff1a3\u9031\u9593\u3002\u6559\u8a13\uff1aDC\u306fAC\u306e\u30eb\u30fc\u30eb\u306b\u5f93\u308f\u306a\u3044\u3002.<\/p>\n

\u3042\u306a\u305f\u306f\u4ee5\u524d\u306bAC\u30d1\u30cd\u30eb\u3092\u914d\u7dda\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u3067\u3057\u3087\u3046\u3002240V\u306e\u4f4f\u5b85\u30b5\u30fc\u30d3\u30b9\u3067\u4f5c\u696d\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u3067\u3057\u3087\u3046\u3002\u3042\u306a\u305f\u306f\u96fb\u6e90\u3092\u5207\u308b\u3053\u3068\u3092\u77e5\u3063\u3066\u3044\u307e\u3059 \u30d6\u30ec\u30fc\u30ab<\/a>. \u3002\u3057\u304b\u3057\u3001\u592a\u967d\u5149\u767a\u96fb\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u96fb\u5727\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u96fb\u6d41\u306f\u5bb9\u8d66\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u3057\u3066\u3001\u30a2\u30fc\u30af\u30d5\u30e9\u30c3\u30b7\u30e5\uff1fAC\u306e\u3088\u3046\u306b\u81ea\u5df1\u6d88\u706b\u3057\u307e\u305b\u3093\u3002.<\/p>\n

\u3067\u306f\u3001\u5b9f\u969b\u306b\u3053\u306e\u5371\u967a\u3092\u4f5c\u308a\u51fa\u3057\u3066\u3044\u308b\u306e\u306f\u4f55\u3067\u3057\u3087\u3046\u304b\uff1f\u305d\u3057\u3066\u3001\u65e5\u5e38\u7684\u306a\u63a5\u7d9a\u3092\u30ad\u30e3\u30ea\u30a2\u3092\u7d42\u308f\u3089\u305b\u308b\u3088\u3046\u306a\u9593\u9055\u3044\u306b\u5909\u3048\u308b\u3053\u3068\u306a\u304f\u3001\u8907\u6570\u306e\u30bd\u30fc\u30e9\u30fc\u30d1\u30cd\u30eb\u3092\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306b\u914d\u7dda\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n

\u30a2\u30fc\u30af\u30d5\u30e9\u30c3\u30b7\u30e5\u306e\u9a5a\u304d\uff1a\u306a\u305cDC\u592a\u967d\u5149\u767a\u96fb\u914d\u7dda\u306f\u3042\u306a\u305f\u304c\u601d\u3063\u3066\u3044\u308b\u3088\u308a\u3082\u5371\u967a\u306a\u306e\u304b<\/h2>\n

\"The<\/p>\n

\u307b\u3068\u3093\u3069\u306e\u96fb\u6c17\u6280\u5e2b\u306f\u3001AC\u30b7\u30b9\u30c6\u30e0\u3067\u30a2\u30fc\u30af\u30d5\u30e9\u30c3\u30b7\u30e5\u306e\u5371\u967a\u6027\u3092\u5b66\u3073\u307e\u3059\u3002AC\u30a2\u30fc\u30af\u306f\u3001\u96fb\u5727\u304c\u30bc\u30ed\u3092\u6a2a\u5207\u308b\u3068\u304d\u306b1\u79d2\u9593\u306b120\u56de\u6d88\u3048\u307e\u3059\u3002DC\u30a2\u30fc\u30af\u306f\uff1f \u4f55\u304b\u304c\u6eb6\u3051\u308b\u307e\u3067\u71c3\u3048\u7d9a\u3051\u307e\u3059\u3002.<\/strong> \u3053\u308c\u304c\u30a2\u30fc\u30af\u30d5\u30e9\u30c3\u30b7\u30e5\u306e\u9a5a\u304d\u3067\u3059\u3002DC\u306e\u9759\u304b\u3067\u81ea\u5df1\u6301\u7d9a\u7684\u306a\u66b4\u529b\u306f\u3001\u540c\u3058\u96fb\u5727\u306eAC\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u5371\u967a\u3067\u3059\u3002.<\/p>\n

\u3053\u3053\u306b\u6bba\u4eba\u7684\u306a\u7269\u7406\u5b66\u304c\u3042\u308a\u307e\u3059\u3002DC\u96fb\u6d41\u3092\u904b\u30762\u3064\u306e\u5c0e\u4f53\u3092\u5206\u96e2\u3059\u308b\u3068\u3001\u30a2\u30fc\u30af\u304c\u30a8\u30a2\u30ae\u30e3\u30c3\u30d7\u3092\u30a4\u30aa\u30f3\u5316\u3057\u307e\u3059\u3002\u305d\u306e\u30a4\u30aa\u30f3\u5316\u3055\u308c\u305f\u30d7\u30e9\u30ba\u30de\u306f\u3001\u4f4e\u62b5\u6297\u306e\u7d4c\u8def\u306b\u306a\u308a\u307e\u3059\u3002DC\u96fb\u5727\u306f\u6c7a\u3057\u3066\u30bc\u30ed\u306b\u4f4e\u4e0b\u3057\u306a\u3044\u305f\u3081\u3001\u30d7\u30e9\u30ba\u30de\u306f\u6c7a\u3057\u3066\u51b7\u5374\u3055\u308c\u307e\u305b\u3093\u3002\u30a2\u30fc\u30af\u67f1\u306f\u6210\u9577\u3057\u3001\u9023\u7d9a\u96fb\u6d41\u3092\u4f9b\u7d66\u3057\u7d9a\u3051\u3001\u592a\u967d\u306e\u8868\u9762\u3088\u308a\u3082\u9ad8\u6e29\u306e35,000\u00b0F\u306e\u6e29\u5ea6\u306b\u9054\u3059\u308b\u307e\u3067\u7d9a\u304d\u307e\u3059\u3002.<\/p>\n

\u592a\u967d\u5149\u767a\u96fb\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u3067\u306f\u3001300\u301c600Vdc\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u96fb\u5727\u3092\u6271\u3063\u3066\u3044\u307e\u3059\u300240Voc\u306e10\u30d1\u30cd\u30eb\u306e\u5178\u578b\u7684\u306a\u30b9\u30c8\u30ea\u30f3\u30b0\u306f400V\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5bd2\u30441\u6708\u306e\u671d\u306b\u306f\u3001\u305d\u306eVoc\u306f25\uff05\u3082\u4e0a\u6607\u3057\u3001500V\u306b\u306a\u308a\u307e\u3059\u30021000V\u5b9a\u683c\u306e\u6a19\u6e96\u7684\u306a\u7d76\u7e01\u30c9\u30e9\u30a4\u30d0\u30fc\uff1f\u305d\u308c\u306fAC\u5b9a\u683c\u3067\u3059\u3002DC\u8010\u96fb\u5727\u306f\u901a\u5e3830\u301c40\uff05\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n

DC\u592a\u967d\u5149\u767a\u96fb\u4f5c\u696d\u306e\u6700\u521d\u306e\u30eb\u30fc\u30eb\uff1a\u30a2\u30fc\u30af\u5b9a\u683c\u306ePPE\u3092\u7740\u7528\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u8996\u529b\u3092\u8ced\u3051\u3066\u3044\u307e\u3059\u3002.<\/em> \u30ab\u30c6\u30b4\u30ea\u30fc2 PPE\uff088 cal\/cm\u00b2\uff09\u306f\u3001\u307b\u3068\u3093\u3069\u306e\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u4f5c\u696d\u306e\u6700\u5c0f\u9650\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u3053\u306b\u843d\u3068\u3057\u7a74\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5b9a\u683c\u306f\u3001\u901a\u96fb\u3055\u308c\u3066\u3044\u306a\u3044\u6a5f\u5668\u3067\u4f5c\u696d\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u300c1\u3064\u306e\u63a5\u7d9a\u3092\u30e9\u30a4\u30d6\u3067\u7de0\u3081\u4ed8\u3051\u308b\u3060\u3051\u300d\u3068\u5224\u65ad\u3057\u305f\u77ac\u9593\u3001\u30ab\u30c6\u30b4\u30ea\u30fc4\u306e\u9818\u57df\uff0840 cal\/cm\u00b2\uff09\u306b\u5165\u308a\u307e\u3059\u3002\u30d5\u30a7\u30a4\u30b9\u30b7\u30fc\u30eb\u30c9\u306f\u5727\u529b\u6ce2\u304b\u3089\u3042\u306a\u305f\u3092\u6551\u3046\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002.<\/p>\n

NEC 2023\u5e74\u7248\u306f\u3064\u3044\u306b\u3053\u308c\u306b\u6c17\u3065\u304d\u307e\u3057\u305f\u3002\u7b2c690.12\u6761\u306fPV\u30b7\u30b9\u30c6\u30e0\u306e\u6025\u901f\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3092\u8981\u6c42\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u8a2d\u7f6e\u4e2d\u306e\u3042\u306a\u305f\u3092\u4fdd\u8b77\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u306f\u3042\u306a\u305f\u6b21\u7b2c\u3067\u3059\u3002\u305d\u3057\u3066\u3001\u3042\u306a\u305f\u306e\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u914d\u7dda\u65b9\u6cd5\u3067\u3059\u3002.<\/p>\n

\u96fb\u5727\u30b9\u30bf\u30c3\u30ad\u30f3\u30b0\u306e\u7f60\uff1a\u3042\u306a\u305f\u306e\u8a08\u7b97\u304c\u5b89\u5168\u4e0a\u306e\u5371\u967a\u306b\u306a\u308b\u5834\u5408<\/h2>\n

<\/p>\n

\u30d1\u30cd\u30eb\u30e9\u30d9\u30eb\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\uff1a40Voc\u3002\u76f4\u5217\u306b8\u3064\u306e\u30d1\u30cd\u30eb\u304c\u3042\u308a\u307e\u3059\u3002\u7c21\u5358\u306a\u8a08\u7b97\uff1a8 \u00d7 40V = 320V\u3002\u30d2\u30e5\u30fc\u30ba\u30db\u30eb\u30c0\u30fc\u306f600V\u5b9a\u683c\u3067\u3059\u3002\u30d6\u30ec\u30fc\u30ab\u30fc\u306f250Vdc\u5b9a\u683c\u3067\u3059\u3002\u3042\u306a\u305f\u306f\u5b89\u5168\u3067\u3059\u3088\u306d\uff1f<\/p>\n

\u96fb\u5727\u30b9\u30bf\u30c3\u30ad\u30f3\u30b0\u306e\u7f60\u3078\u3088\u3046\u3053\u305d\u3002.<\/strong><\/p>\n

\u30e9\u30d9\u30eb\u304c\u6559\u3048\u3066\u304f\u308c\u306a\u3044\u3053\u3068\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002Voc\uff08\u958b\u56de\u8def\u96fb\u5727\uff09\u306f\u3001\u6a19\u6e96\u8a66\u9a13\u6761\u4ef6\u201425\u00b0C\uff0877\u00b0F\uff09\u3067\u6e2c\u5b9a\u3055\u308c\u307e\u3059\u3002\u5bd2\u3044\u671d\u306e\u3042\u306a\u305f\u306e\u30d1\u30cd\u30eb\uff1f\u305d\u308c\u3089\u306f-10\u00b0C\uff0814\u00b0F\uff09\u3067\u52d5\u4f5c\u3057\u3066\u3044\u307e\u3059\u300225\u00b0C\u3092\u4e0b\u56de\u308b\u6442\u6c0f1\u5ea6\u3054\u3068\u306b\u3001Voc\u306f0.3\uff05\u4e0a\u6607\u3057\u307e\u3059\u3002.<\/p>\n

\u5b9f\u969b\u306e\u8a08\u7b97\u3092\u884c\u3044\u307e\u3059\uff1a8\u30d1\u30cd\u30eb \u00d7 40Voc \u00d7 (1 + (35\u00b0C \u00d7 0.003)) = 8 \u00d7 40 \u00d7 1.105 = 353.6V<\/strong>. \u3002\u3053\u308c\u306f10\uff05\u306e\u5897\u52a0\u3067\u3059\u3002\u307e\u3060600V\u30d2\u30e5\u30fc\u30ba\u30db\u30eb\u30c0\u30fc\u306e\u4e0b\u3067\u3059\u304c\u3001250Vdc\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3069\u3046\u3067\u3059\u304b\uff1f<\/p>\n

\u5f85\u3063\u3066\u304f\u3060\u3055\u3044\u2014\u3055\u3089\u306b\u60aa\u5316\u3057\u307e\u3059\u3002\u305d\u306e\u300c250Vdc\u300d\u30d6\u30ec\u30fc\u30ab\u30fc\uff1f\u304a\u305d\u3089\u304fAC\u5b9a\u683c\u3067\u3059\u3002\u592a\u967d\u5149\u767a\u96fb\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u307b\u3068\u3093\u3069\u306e\u30e2\u30fc\u30eb\u30c9\u30b1\u30fc\u30b9\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3001\u518d\u5229\u7528\u3055\u308c\u305fAC\u30d6\u30ec\u30fc\u30ab\u30fc\u3067\u3059\u3002DC\u8010\u96fb\u5727\u306f\u3001AC\u5b9a\u683c\u306e50\uff05\u3067\u3042\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u300c250Vdc\u300d\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u3001\u6301\u7d9a\u7684\u306aDC\u8ca0\u8377\u306e\u4e0b\u3067125Vdc\u307e\u3067\u3057\u304b\u5b89\u5168\u3067\u306f\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u3042\u306a\u305f\u306e353V\u30b9\u30c8\u30ea\u30f3\u30b0\u306f\u3001\u6700\u521d\u306e\u30a2\u30fc\u30af\u6545\u969c\u3092\u5f85\u3063\u3066\u3044\u308b\u7206\u5f3e\u306b\u306a\u308a\u307e\u3057\u305f\u3002.<\/em><\/p>\n

NEC 690.7\u3067\u306f\u3001\u4f4e\u6e29\u8a08\u7b97\u306e\u305f\u3081\u306bVoc\u306b1.25\u306e\u88dc\u6b63\u4fc2\u6570\u3092\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u30028\u30d1\u30cd\u30eb\u3001320V\u306e\u516c\u79f0\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u5834\u5408\u3001\u3053\u308c\u306f400V\u306e\u6700\u5c0f\u8a2d\u8a08\u96fb\u5727\u3067\u3059\u3002\u3042\u306a\u305f\u306e250Vdc\u30d6\u30ec\u30fc\u30ab\u30fc\u306f\u30012023\u5e74\u306e\u30b3\u30fc\u30c9\u3067\u306f\u9055\u6cd5\u306b\u306a\u308a\u307e\u3057\u305f\u3002.<\/p>\n

\u96fb\u5727\u30b9\u30bf\u30c3\u30ad\u30f3\u30b0\u306e\u7f60\u306f\u3001\u4ed6\u306e\u8a2d\u8a08\u30a8\u30e9\u30fc\u3088\u308a\u3082\u591a\u304f\u306e\u592a\u967d\u5149\u767a\u96fb\u8a2d\u5099\u3092\u7834\u58ca\u3057\u307e\u3059\u3002\u521d\u65e5\u306b\u306f\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002\u6700\u521d\u306e\u5bd2\u3044\u671d\u306b\u8868\u793a\u3055\u308c\u3001\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u304c\u6545\u969c\u3057\u3001\u8a2d\u7f6e\u696d\u8005\u304c\u914d\u7dda\u3067\u306f\u306a\u3044\u554f\u984c\u3092\u300c\u4fee\u6b63\u300d\u3059\u308b\u305f\u3081\u306b\u547c\u3073\u623b\u3055\u308c\u307e\u3059\u2014\u305d\u308c\u306f\u8a08\u7b97\u3067\u3059\u3002.<\/p>\n

\u30b7\u30fc\u30b1\u30f3\u30b9\u30ed\u30c3\u30af\uff1a\u4e8b\u6545\u306e90\uff05\u3092\u9632\u3050\u64cd\u4f5c\u9806\u5e8f<\/h2>\n

\"The<\/p>\n

\u9069\u5207\u306aPPE\u3092\u6301\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u96fb\u5727\u3092\u5b8c\u5168\u306b\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002\u6700\u9ad8\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u3092\u9593\u9055\u3063\u305f\u9806\u5e8f\u3067\u914d\u7dda\u3059\u308b\u3068\u3001\u4f9d\u7136\u3068\u3057\u3066\u30e9\u30a4\u30d6\u30a2\u30fc\u30af\u306e\u5371\u967a\u3092\u4f5c\u308a\u51fa\u3059\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n

\u3053\u308c\u304c\u30b7\u30fc\u30b1\u30f3\u30b9\u30ed\u30c3\u30af\u3067\u3059\u3002.<\/strong> \u305d\u308c\u306f\u3042\u306a\u305f\u3092\u5b89\u5168\u306b\u4fdd\u3064\u64cd\u4f5c\u9806\u5e8f\u3067\u3059\u3002\u305d\u3057\u3066\u3001\u8a2d\u7f6e\u696d\u8005\u306e90\uff05\u304c\u305d\u308c\u3092\u9593\u9055\u3048\u307e\u3059\u3002.<\/p>\n

\u9593\u9055\u3063\u305f\u30b7\u30fc\u30b1\u30f3\u30b9\uff08\u30a2\u30fc\u30af\u30d5\u30e9\u30c3\u30b7\u30e5\u306e\u9a5a\u304d\u3092\u4f5c\u308a\u51fa\u3059\u3082\u306e\uff09\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n

    \n
  1. \u3059\u3079\u3066\u306ePV\u30b9\u30c8\u30ea\u30f3\u30b0\u30ef\u30a4\u30e4\u3092\u30d0\u30b9\u30d0\u30fc\u306b\u7740\u5730\u3055\u305b\u307e\u3059<\/li>\n
  2. \u30b9\u30c8\u30ea\u30f3\u30b0\u304c\u30e9\u30a4\u30d6\u306e\u9593\u306b\u30d2\u30e5\u30fc\u30ba\u3092\u53d6\u308a\u4ed8\u3051\u307e\u3059<\/li>\n
  3. \u6700\u5f8c\u306b\u5207\u65ad\u3092\u9589\u3058\u307e\u3059<\/li>\n<\/ol>\n

    \u306a\u305c\u3053\u308c\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u304b\uff1f\u30d2\u30e5\u30fc\u30ba\u3092\u30e9\u30a4\u30d6\u30d0\u30b9\u30d0\u30fc\u306b\u63a5\u89e6\u3055\u305b\u305f\u77ac\u9593\u3001\u8ca0\u8377\u304c\u304b\u304b\u3063\u305f\u72b6\u614b\u3067\u30db\u30c3\u30c8\u63a5\u7d9a\u3092\u4f5c\u6210\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002\u30d2\u30e5\u30fc\u30ba\u30db\u30eb\u30c0\u30fc\u306f\u3001\u30db\u30c3\u30c8\u63a5\u7d9a\u3092\u884c\u3046\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u30a2\u30fc\u30af\u306f\u3001\u306d\u3058\u5c71\u304c\u304b\u307f\u5408\u3046\u524d\u306b\u3001\u30d2\u30e5\u30fc\u30ba\u306e\u5148\u7aef\u304b\u3089\u30d0\u30b9\u30d0\u30fc\u306b\u30b8\u30e3\u30f3\u30d7\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002400Vdc\u3067\u76f4\u5217\u30a2\u30fc\u30af\u6545\u969c\u3092\u4f5c\u6210\u3057\u305f\u3070\u304b\u308a\u3067\u3059\u3002.<\/p>\n

    \u3053\u308c\u304c\u30b7\u30fc\u30b1\u30f3\u30b9\u30ed\u30c3\u30af\u2014\u6b63\u3057\u3044\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n

      \n
    1. \u30ed\u30c3\u30af\u30a2\u30a6\u30c8\/\u30bf\u30b0\u30a2\u30a6\u30c8\uff1a<\/strong> \u3059\u3079\u3066\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u304c\u30d1\u30cd\u30eb\u30ec\u30d9\u30eb\u306e\u5207\u65ad\u307e\u305f\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u30ec\u30d9\u30eb\u306e\u6025\u901f\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u30c7\u30d0\u30a4\u30b9\u3067\u5207\u65ad\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u6821\u6b63\u3055\u308c\u305f\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u3067\u30bc\u30ed\u96fb\u5727\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/li>\n
    2. \u30de\u30a4\u30ca\u30b9\u3092\u7740\u5730\u3055\u305b\u307e\u3059\uff1a<\/strong> \u3059\u3079\u3066\u306ePV\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u30de\u30a4\u30ca\u30b9\u30ea\u30fc\u30c9\u3092\u30de\u30a4\u30ca\u30b9\u30d0\u30b9\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002\u3053\u308c\u304c\u3042\u306a\u305f\u306e\u57fa\u6e96\u63a5\u5730\u3067\u3059\u3002\u3059\u3079\u3066\u304c\u505c\u6b62\u3057\u3066\u3044\u308b\u9593\u306b\u3001\u3053\u308c\u3092\u6700\u521d\u306b\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n
    3. \u30d2\u30e5\u30fc\u30ba\u3092\u53d6\u308a\u4ed8\u3051\u307e\u3059\uff1a<\/strong> \u3059\u3079\u3066\u306eDC\u30d2\u30e5\u30fc\u30ba\u3092\u30db\u30eb\u30c0\u30fc\u306b\u633f\u5165\u3057\u307e\u3059\u304c\u3001\u300c\u958b\u3044\u305f\u300d\u4f4d\u7f6e\u306e\u307e\u307e\u306b\u3057\u307e\u3059\u3002\u307e\u3060\u9589\u3058\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/li>\n
    4. \u30d7\u30e9\u30b9\u3092\u7740\u5730\u3055\u305b\u307e\u3059\uff1a<\/strong> \u3059\u3079\u3066\u306ePV\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u30d7\u30e9\u30b9\u30ea\u30fc\u30c9\u3092\u30d2\u30e5\u30fc\u30ba\u30db\u30eb\u30c0\u30fc\u306e\u30e9\u30a4\u30f3\u5074\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002\u7e70\u308a\u8fd4\u3057\u307e\u3059\u304c\u3001\u3059\u3079\u3066\u304c\u505c\u6b62\u3057\u3066\u3044\u307e\u3059\u3002.<\/li>\n
    5. \u5207\u65ad\u3092\u9589\u3058\u307e\u3059\uff1a<\/strong> \u30e1\u30a4\u30f3\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306e\u5207\u65ad\uff08\u88c5\u5099\u3055\u308c\u3066\u3044\u308b\u5834\u5408\uff09\u3092\u9589\u3058\u3066\u3001\u30d0\u30b9\u30d0\u30fc\u306b\u901a\u96fb\u3057\u307e\u3059\u3002.<\/li>\n
    6. \u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u4e00\u5ea6\u306b1\u3064\u305a\u3064\u901a\u96fb\u3057\u307e\u3059\uff1a<\/strong> \u5404\u30d2\u30e5\u30fc\u30ba\u30db\u30eb\u30c0\u30fc\u3092\u500b\u5225\u306b\u9589\u3058\u3001\u6b21\u306b\u9032\u3080\u524d\u306b\u30e1\u30fc\u30bf\u30fc\u3067\u96fb\u5727\u3068\u96fb\u6d41\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5358\u4e00\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u3078\u306e\u969c\u5bb3\u304c\u5206\u96e2\u3055\u308c\u307e\u3059\u3002.<\/li>\n<\/ol>\n

      \u30b7\u30fc\u30b1\u30f3\u30b9\u30ed\u30c3\u30af\u306f\u7c21\u5358\u3067\u3059\u3002\u30e9\u30a4\u30d6\u306b\u306a\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u63a5\u7d9a\u306f\u6c7a\u3057\u3066\u884c\u308f\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u30e9\u30a4\u30d6\u3067\u3042\u308b\u63a5\u7d9a\u306f\u6c7a\u3057\u3066\u5207\u65ad\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u4f55\u304b\u306b\u89e6\u308c\u308b\u524d\u306b\u3001\u5e38\u306b\u30bc\u30ed\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/em><\/p>\n

      NEC 690.16\u3067\u306f\u3001\u5404\u30b9\u30c8\u30ea\u30f3\u30b0\u306b\u5207\u65ad\u624b\u6bb5\u304c\u5fc5\u8981\u3067\u3059\u304c\u3001\u4f5c\u696d\u306e\u9806\u5e8f\u306b\u3064\u3044\u3066\u306f\u6307\u793a\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u305d\u308c\u304c\u3001\u30d7\u30ed\u306e\u8a2d\u7f6e\u696d\u8005\u3068\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30dd\u30fc\u30c8\u306b\u8868\u793a\u3055\u308c\u308b\u8a2d\u7f6e\u696d\u8005\u3092\u533a\u5225\u3059\u308b\u3082\u306e\u3067\u3059\u3002.<\/p>\n

      \u30bd\u30fc\u30e9\u30fc\u30d1\u30cd\u30eb\u3092\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306b\u5b89\u5168\u306b\u914d\u7dda\u3059\u308b\u305f\u3081\u306e4\u30b9\u30c6\u30c3\u30d7\u30e1\u30bd\u30c3\u30c9<\/h2>\n

      \u7406\u8ad6\u306f\u7406\u89e3\u3067\u304d\u307e\u3057\u305f\u3002\u6b21\u306b\u3001\u3042\u306a\u305f\u3092\u5b89\u5168\u306b\u4fdd\u3061\u3001\u691c\u67fb\u5b98\u3092\u6e80\u8db3\u3055\u305b\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u30c6\u30b9\u30c8\u6e08\u307f\u306e\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002.<\/p>\n

      \u30b9\u30c6\u30c3\u30d71\uff1a\u30b9\u30c8\u30ea\u30f3\u30b0\u96fb\u5727\u3092\u8a08\u7b97\u3057\u3066\u78ba\u8a8d\u3057\u307e\u3059\uff08\u30e9\u30d9\u30eb\u3092\u4fe1\u983c\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\uff09<\/h3>\n

      \u30df\u30cb\u8ad6\u6587\uff1a<\/strong> \u30e9\u30d9\u30ebVoc\u306f\u958b\u59cb\u70b9\u3067\u3042\u308a\u3001\u8a2d\u8a08\u5024\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4f4e\u6e29\u88dc\u6b63\u3068\u6e2c\u5b9a\u691c\u8a3c\u306f\u3001NEC 2023\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306b\u5fc5\u9808\u3067\u3059\u3002.<\/p>\n

      \u30d1\u30cd\u30eb\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3092\u5165\u624b\u3057\u307e\u3059\u3002STC\uff08\u6a19\u6e96\u8a66\u9a13\u6761\u4ef6\uff09\u3067Voc\u3092\u898b\u3064\u3051\u307e\u3059\u3002\u6b21\u306b\u3001\u5b9f\u969b\u306e\u8a08\u7b97\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n

      Voc(\u8a2d\u8a08) = Voc(STC) \u00d7 \u30d1\u30cd\u30eb\u6570 \u00d7 1.25 (NEC 690.7\u4f4e\u6e29\u4fc2\u6570)<\/code><\/p>\n

      8\u3064\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u306e40Voc\u30d1\u30cd\u30eb\u306e\u5834\u5408\uff1a40 \u00d7 8 \u00d7 1.25 = 400V\u8a2d\u8a08\u96fb\u5727<\/strong>.<\/p>\n

      \u6b21\u306b\u3001\u305d\u308c\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u5bd2\u3044\u671d\uff08<40\u00b0F\uff09\u306b\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u5207\u65ad\u3057\u3001Fluke 393 FC\u30af\u30e9\u30f3\u30d7\u30e1\u30fc\u30bf\u30fc\uff081500Vdc\u5b9a\u683c\uff09\u3067Voc\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002380\u301c420V\u304c\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002450V\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b9\u30c8\u30ea\u30f3\u30b0\u304c\u6a5f\u5668\u306b\u5bfe\u3057\u3066\u9577\u3059\u304e\u307e\u3059\u3002\u30a2\u30fc\u30af\u30d5\u30e9\u30c3\u30b7\u30e5\u306e\u5f8c\u3067\u306f\u306a\u304f\u3001\u4eca\u3059\u3050\u518d\u8a2d\u8a08\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

      Pro-\u30d2\u30f3\u30c8:<\/strong> NEC 2023 1.25\u4fc2\u6570\u306f\u6700\u5c0f\u5024\u3067\u3059\u3002\u30ab\u30ca\u30c0\u307e\u305f\u306f\u5317\u90e8\u5dde\u3067\u306f\u30011.35\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u691c\u67fb\u5b98\u304c\u78ba\u8a8d\u3057\u307e\u3059\u3002\u8acb\u6c42\u5f8c\u3001\u4fdd\u967a\u3082\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/p>\n

      \u30b9\u30c6\u30c3\u30d72\uff1a\u9069\u5207\u306b\u5b9a\u683c\u3055\u308c\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u9078\u629e\u3057\u307e\u3059\uff08250Vdc\u306e\u5618\uff09<\/h3>\n

      \u30df\u30cb\u8ad6\u6587\uff1a<\/strong> \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u96fb\u5727\u5b9a\u683c\u306f\u3001\u8a2d\u8a08Voc\u3092\u5c11\u306a\u304f\u3068\u308220\uff05\u8d85\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001DC\u5b9a\u683c\u306fAC\u5b9a\u683c\u3068\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n

      \u8a2d\u8a08\u96fb\u5727\u306f400Vdc\u3067\u3059\u3002\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u6700\u5c0f\u5b9a\u683c\uff1a<\/p>\n

        \n
      • \u30d2\u30e5\u30fc\u30ba\u30db\u30eb\u30c0\u30fc\uff1a<\/strong> 600Vdc \u6700\u5c0f\u3002Bussmann\u3068Littlefuse\u306f\u3001600Vdc\u306710kA\u3092\u906e\u65ad\u3067\u304d\u308b\u30bd\u30fc\u30e9\u30fc\u5b9a\u683c\u306e\u30db\u30eb\u30c0\u30fc\u3092\u88fd\u9020\u3057\u3066\u3044\u307e\u3059\u3002.<\/li>\n
      • \u30d2\u30e5\u30fc\u30ba\uff1a<\/strong> 600Vdc\u3001\u30bf\u30a4\u30e0\u30c7\u30a3\u30ec\u30a4\u578b\u3002\u6a19\u6e96\u306e250V\u30d2\u30e5\u30fc\u30ba\u306f\u7206\u767a\u3057\u307e\u3059\u3002.<\/li>\n
      • \u65ad\u8def\u5668\uff1a<\/strong> 600Vdc\u300120A \u6700\u5c0f\u3002AC\u5b9a\u683c\u3067\u306f\u306a\u304f\u3001DC\u5b9a\u683c\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300c30A 240V\u300d\u306eAC\u65ad\u8def\u5668\u306f\u3001\u304a\u305d\u3089\u304f15A 120Vdc\u306b\u3059\u304e\u307e\u305b\u3093\u3002.<\/li>\n
      • \u96fb\u7dda\uff1a<\/strong> 600Vdc\u5b9a\u683c\u306ePV\u96fb\u7dda\uff08USE-2\u307e\u305f\u306fRHW-2\uff09\u3002THHN\u96fb\u7dda\u306f\u8010\u65e5\u5149\u6027\u3067\u306f\u306a\u304f\u30013\u5e74\u3067\u3072\u3073\u5272\u308c\u307e\u3059\u3002.<\/li>\n<\/ul>\n

        250Vdc\u306e\u5618\uff1a<\/em> \u300c250Vdc\u300d\u3068\u8868\u793a\u3055\u308c\u305f\u30d6\u30ec\u30fc\u30ab\u30fc\uff1f\u6ce8\u610f\u66f8\u304d\u3092\u8aad\u3093\u3067\u304f\u3060\u3055\u3044\u3002\u300c\u6700\u5927250Vdc\u300180%\u30c7\u30e5\u30fc\u30c6\u30a3\u30b5\u30a4\u30af\u30eb\u300d\u3068\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u9023\u7d9a\u7684\u306a\u30bd\u30fc\u30e9\u30fc\u904b\u8ee2\uff08100%\u30c7\u30e5\u30fc\u30c6\u30a3\u30b5\u30a4\u30af\u30eb\uff09\u306e\u5834\u5408\u3001200Vdc\u306b\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002400V\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u306f\u3001\u305d\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u9055\u6cd5\u306b\u3057\u307e\u3057\u305f\u3002.<\/p>\n

        PV\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u7528\u306bUL 1741\u306b\u30ea\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u307f\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u691c\u67fb\u5b98\u306f\u30ea\u30b9\u30c6\u30a3\u30f3\u30b0\u30de\u30fc\u30af\u3092\u63a2\u3057\u307e\u3059\u3002\u4ee3\u66ff\u6848\u306f\u3001\u3059\u3079\u3066\u3092\u53d6\u308a\u5916\u3059\u3053\u3068\u3067\u3059\u3002.<\/p>\n

        \u30b9\u30c6\u30c3\u30d73\uff1a\u30b7\u30fc\u30b1\u30f3\u30b9\u30ed\u30c3\u30af\u306e\u5b9f\u884c\uff08\u6d3b\u7dda\u4f5c\u696d\u306f\u7d76\u5bfe\u306b\u3057\u306a\u3044\uff09<\/h3>\n

        \u30df\u30cb\u8ad6\u6587\uff1a<\/strong> \u30b7\u30fc\u30b1\u30f3\u30b9\u30ed\u30c3\u30af\u306f\u3001\u7cbe\u795e\u7684\u306a\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3067\u306f\u306a\u304f\u3001\u66f8\u9762\u306b\u3088\u308b\u624b\u9806\u3067\u3059\u3002\u9038\u8131\u306f\u30a2\u30fc\u30af\u767a\u751f\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n

        \u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306b\u89e6\u308c\u308b\u524d\u306b\u3001\u30b8\u30e7\u30d6\u30c1\u30b1\u30c3\u30c8\u306b\u3053\u308c\u3092\u66f8\u304d\u8fbc\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n

          \n
        1. \u30d1\u30cd\u30eb\u65ad\u8def\u5668\u3067\u306e\u30ed\u30c3\u30af\u30a2\u30a6\u30c8\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u96fb\u5727\u304c\u30bc\u30ed\u3067\u3042\u308b\u3053\u3068\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002.<\/li>\n
        2. \u3059\u3079\u3066\u306e\u30de\u30a4\u30ca\u30b9\u7dda\u3092\u30de\u30a4\u30ca\u30b9\u30d0\u30b9\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002.<\/li>\n
        3. \u30d2\u30e5\u30fc\u30ba\u3092\u958b\u3044\u305f\u4f4d\u7f6e\u306b\u53d6\u308a\u4ed8\u3051\u307e\u3059\u3002.<\/li>\n
        4. \u3059\u3079\u3066\u306e\u30d7\u30e9\u30b9\u7dda\u3092\u30d2\u30e5\u30fc\u30ba\u30e9\u30a4\u30f3\u7aef\u5b50\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002.<\/li>\n
        5. \u30e1\u30a4\u30f3\u65ad\u8def\u5668\u3092\u9589\u3058\u307e\u3059\u3002.<\/li>\n
        6. \u30d2\u30e5\u30fc\u30ba\u30921\u3064\u305a\u3064\u901a\u96fb\u3057\u3001\u305d\u308c\u305e\u308c\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/li>\n<\/ol>\n

          2\u4eba\u76ee\u306e\u4eba\u306b\u5404\u30b9\u30c6\u30c3\u30d7\u306b\u30b5\u30a4\u30f3\u30aa\u30d5\u3057\u3066\u3082\u3089\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u5b98\u50da\u4e3b\u7fa9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4f5c\u696d\u54e1\u707d\u5bb3\u88dc\u511f\u59d4\u54e1\u4f1a\u306b\u3001\u306a\u305c\u6307\u304c3\u672c\u306a\u3044\u306e\u304b\u3092\u8aac\u660e\u305b\u305a\u306b\u6e08\u3080\u65b9\u6cd5\u3067\u3059\u3002.<\/p>\n

          Pro-\u30d2\u30f3\u30c8:<\/strong> \u4f55\u304b\u306b\u89e6\u308c\u308b\u524d\u306b\u3001DC\u5b9a\u683c\u306e\u975e\u63a5\u89e6\u96fb\u5727\u30c6\u30b9\u30bf\u30fc\uff08NCVT\uff09\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002Fluke 1AC-A1-II\u306fDC\u3092\u691c\u51fa\u3057\u307e\u305b\u3093\u3002Fluke 369 FC\u307e\u305f\u306f\u985e\u4f3c\u306e\u3082\u306e\u304c\u5fc5\u8981\u3067\u3059\u3002$200\u306e\u30c4\u30fc\u30eb\u306f\u3001$50,000\u306e\u5165\u9662\u8cbb\u3088\u308a\u3082\u512a\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n

          \u30b9\u30c6\u30c3\u30d74\uff1a\u30c8\u30eb\u30af\u3001\u30c6\u30b9\u30c8\u3001\u304a\u3088\u3073\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5316\uff08\u6307\u7de0\u3081\u4ed8\u3051\u306e\u7f60\uff09<\/h3>\n

          \u30df\u30cb\u8ad6\u6587\uff1a<\/strong> \u9069\u5207\u306a\u30c8\u30eb\u30af\u306f\u3001\u63d0\u6848\u3067\u306f\u306a\u304f\u3001\u30b3\u30fc\u30c9\u8981\u4ef6\u3067\u3059\u3002\u63a5\u7d9a\u304c\u7de9\u3044\u3068\u3001\u8ca0\u8377\u304c\u304b\u304b\u3063\u305f\u72b6\u614b\u3067\u6eb6\u3051\u308b\u9ad8\u62b5\u6297\u306e\u63a5\u5408\u90e8\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002.<\/p>\n

          \u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u5185\u306e\u3059\u3079\u3066\u306e\u30d0\u30b9\u30d0\u30fc\u63a5\u7d9a\u306b\u306f\u3001\u901a\u5e3850\u301c120\u30a4\u30f3\u30c1\u30dd\u30f3\u30c9\u306e\u30c8\u30eb\u30af\u4ed5\u69d8\u304c\u3042\u308a\u307e\u3059\u3002\u300c\u6307\u7de0\u3081\u4ed8\u3051\u30d7\u30e9\u30b9\u56db\u5206\u306e\u4e00\u56de\u8ee2\u300d\u306f\u6307\u7de0\u3081\u4ed8\u3051\u306e\u7f60\u3067\u3059\u3002\u4eca\u65e5\u306f\u5b89\u5168\u306b\u611f\u3058\u3089\u308c\u30016\u304b\u6708\u5f8c\u306b\u306f\u706b\u707d\u306e\u5371\u967a\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

          \u30c8\u30eb\u30af\u30c9\u30e9\u30a4\u30d0\u30fc\u307e\u305f\u306f\u30ec\u30f3\u30c1\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4ed5\u69d8\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u63a5\u7d9a\u3092\u30c8\u30eb\u30af\u3067\u7de0\u3081\u307e\u3059\u3002\u6b21\u306b\u3001\u3082\u3046\u4e00\u5ea6\u884c\u3044\u307e\u3059\u3002\u71b1\u30b5\u30a4\u30af\u30eb\u306b\u3088\u308a\u3001\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u63a5\u7d9a\u304c\u7de9\u307f\u307e\u3059\u3002NEC 2023\u5e74\u7248\u3067\u306f\u3001100A\u3092\u8d85\u3048\u308b\u3059\u3079\u3066\u306ePV\u63a5\u7d9a\u306b\u5bfe\u3057\u3066\u3001\u6587\u66f8\u5316\u3055\u308c\u305f\u30c8\u30eb\u30af\u691c\u8a3c\u3092\u7fa9\u52d9\u4ed8\u3051\u308b690.31\uff08C\uff09\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002\u4f4f\u5b85\u7528\u306e\u5834\u5408\u3001\u305d\u308c\u306f\u4f9d\u7136\u3068\u3057\u3066\u3001\u706b\u707d\u8abf\u67fb\u5b98\u306e\u5831\u544a\u66f8\u304b\u3089\u3042\u306a\u305f\u3092\u9060\u3056\u3051\u308b\u6700\u826f\u306e\u65b9\u6cd5\u3067\u3059\u3002.<\/p>\n

          \u30c6\u30b9\u30c8\uff1a\u5404\u30b9\u30c8\u30ea\u30f3\u30b0\u306b\u901a\u96fb\u3057\u305f\u5f8c\u3001\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u3068\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u5165\u529b\u3067\u96fb\u5727\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u305d\u308c\u3089\u306f2V\u4ee5\u5185\u3067\u4e00\u81f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5927\u304d\u306a\u4f4e\u4e0b\u306f\u3001\u63a5\u7d9a\u4e0d\u826f\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u4eca\u3059\u3050\u4fee\u6b63\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

          \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5316\uff1a\u5b8c\u4e86\u3057\u305f\u914d\u7dda\u306e\u5199\u771f\u3092\u64ae\u308a\u307e\u3059\u3002\u5199\u771f\u306b\u5404\u30b9\u30c8\u30ea\u30f3\u30b0\u306e\u30e9\u30d9\u30eb\u3092\u4ed8\u3051\u307e\u3059\u3002\u9867\u5ba2\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3057\u307e\u3059\u30023\u5e74\u5f8c\u306b\u300c\u751f\u7523\u91cf\u304c\u4f4e\u3044\u300d\u3068\u3044\u3046\u96fb\u8a71\u304c\u3042\u3063\u305f\u5834\u5408\u3001\u30dc\u30c3\u30af\u30b9\u3092\u958b\u3051\u306a\u304f\u3066\u3082\u3001\u3069\u306e\u30b9\u30c8\u30ea\u30f3\u30b0\u304c\u3069\u308c\u3067\u3042\u308b\u304b\u3092\u6b63\u78ba\u306b\u628a\u63e1\u3067\u304d\u307e\u3059\u3002.<\/p>\n

          \"pv<\/p>\n

          \u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306f\u9000\u5c48\u3067\u3042\u308b\u3079\u304d\u3067\u3059<\/h2>\n

          \u3053\u308c\u3067\u7406\u89e3\u3067\u304d\u307e\u3057\u305f \u30a2\u30fc\u30af\u30d5\u30e9\u30c3\u30b7\u30e5\u306e\u9a5a\u304d<\/strong>\u2014AC\u3092\u98fc\u3044\u6163\u3089\u3055\u308c\u305f\u3088\u3046\u306b\u898b\u305b\u308bDC\u306e\u9759\u304b\u3067\u5bb9\u8d66\u306e\u306a\u3044\u5371\u967a\u3002\u3042\u306a\u305f\u306f\u8131\u51fa\u3057\u307e\u3057\u305f \u96fb\u5727\u30b9\u30bf\u30c3\u30ad\u30f3\u30b0\u306e\u7f60<\/strong>\u2014\u4fdd\u8b77\u30c7\u30d0\u30a4\u30b9\u3092\u7206\u5f3e\u306b\u5909\u3048\u308b\u8a08\u7b97\u30df\u30b9\u3002\u305d\u3057\u3066\u3001\u3042\u306a\u305f\u306f\u7fd2\u5f97\u3057\u307e\u3057\u305f \u30b7\u30fc\u30b1\u30f3\u30b9\u30ed\u30c3\u30af<\/strong>\u2014\u4ed6\u306e\u3059\u3079\u3066\u304c\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u5834\u5408\u306b\u3042\u306a\u305f\u3092\u5b89\u5168\u306b\u4fdd\u3064\u64cd\u4f5c\u306e\u9806\u5e8f\u3002.<\/p>\n

          \u9069\u5207\u306b\u914d\u7dda\u3055\u308c\u305f\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306f\u9000\u5c48\u3067\u3059\u3002\u706b\u82b1\u3092\u6563\u3089\u3057\u307e\u305b\u3093\u3002\u30cf\u30df\u30f3\u30b0\u3057\u307e\u305b\u3093\u3002\u71b1\u304f\u306a\u308a\u307e\u305b\u3093\u3002\u30b9\u30c8\u30ea\u30f3\u30b0\u3092\u7d50\u5408\u3057\u3001\u56de\u8def\u3092\u4fdd\u8b77\u3057\u3001\u30bd\u30fc\u30e9\u30fc\u30b7\u30b9\u30c6\u30e0\u309225\u5e74\u9593\u7a3c\u50cd\u3055\u305b\u307e\u3059\u3002.<\/p>\n

          \u3042\u306a\u305f\u306e\u4ed5\u4e8b\u306f\u3001\u305d\u308c\u3092\u9000\u5c48\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u30024\u30b9\u30c6\u30c3\u30d7\u306e\u65b9\u6cd5\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u5b9a\u683c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b7\u30fc\u30b1\u30f3\u30b9\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u63a5\u7d9a\u3092\u30c8\u30eb\u30af\u3067\u7de0\u3081\u307e\u3059\u3002\u3059\u3079\u3066\u3092\u6587\u66f8\u5316\u3057\u307e\u3059\u3002.<\/p>\n

          \u6b21\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u30b3\u30fc\u30c9\u6e96\u62e0\u306e\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u3092\u4ed5\u69d8\u5316\u3059\u308b\u6e96\u5099\u306f\u3067\u304d\u307e\u3057\u305f\u304b\uff1f<\/strong> \u30c8\u30eb\u30af\u4ed5\u69d8\u3001\u96fb\u5727\u8a08\u7b97\u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u3001\u304a\u3088\u3073\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9078\u629e\u30ac\u30a4\u30c9\u3092\u542b\u3080\u3001\u7121\u6599\u306eNEC 2023\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u56fa\u6709\u306e\u8a2d\u8a08\u30b5\u30dd\u30fc\u30c8\u306b\u3064\u3044\u3066\u306f\u3001VIOX\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002.<\/p>\n

          \u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u4e2d\u3067\u6700\u3082\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u90e8\u5206\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3046\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

          <\/p>\n

          \u53c2\u7167\u898f\u683c\u3068\u30bd\u30fc\u30b9<\/strong><\/p>\n

            \n
          • NEC 690.7<\/strong> \uff082023\uff09\uff1a\u4f4e\u6e29\u306b\u5bfe\u3059\u308b\u96fb\u5727\u88dc\u6b63\u4fc2\u6570<\/li>\n
          • NEC 690.12<\/strong> \uff082023\uff09\uff1a\u5efa\u7269\u4e0a\u306ePV\u30b7\u30b9\u30c6\u30e0\u306e\u6025\u901f\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3<\/li>\n
          • NEC 690.16<\/strong> \uff082023\uff09\uff1aPV\u56de\u8def\u306e\u30d2\u30e5\u30fc\u30ba\u3068\u65ad\u8def\u5668<\/li>\n
          • NEC 690.31\uff08C\uff09<\/strong> \uff082023\uff09\uff1a\u30c8\u30eb\u30af\u6587\u66f8\u5316\u306e\u8981\u4ef6<\/li>\n
          • UL 1741<\/strong>\uff1a\u30a4\u30f3\u30d0\u30fc\u30bf\u30fc\u3001\u30b3\u30f3\u30d0\u30fc\u30bf\u30fc\u3001\u304a\u3088\u3073\u5145\u96fb\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306e\u5b89\u5168\u898f\u683c<\/li>\n
          • UL 4248-18<\/strong>\uff1a\u592a\u967d\u5149\u767a\u96fb\u30b7\u30b9\u30c6\u30e0\u7528\u30d2\u30e5\u30fc\u30ba\u30db\u30eb\u30c0\u30fc<\/li>\n
          • NFPA 70E<\/strong>\uff1a\u8077\u5834\u306e\u96fb\u6c17\u5b89\u5168\u898f\u683c<\/li>\n<\/ul>\n

            <\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

            8:47 AM. The solar installer pops the latches on the combiner box lid. Inside, six PV strings terminate at busbars, each waiting for its fuse. He grabs his insulated screwdriver, reaches for the first positive wire, and makes contact. In 0.3 seconds, a 400Vdc arc flash erupts\u2014brighter than a welding torch, hot enough to vaporize copper. His safety glasses melt to his face. The arc sustains itself, feeding on the DC current, until the breaker 50 feet away finally trips. The medical bills: $2,500 for the ER visit. The lost work: three weeks. The lesson: DC doesn’t play by AC rules. You’ve wired AC panels before. You’ve worked with 240V […]<\/p>\n","protected":false},"author":1,"featured_media":19744,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-19735","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/19735","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/comments?post=19735"}],"version-history":[{"count":5,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/19735\/revisions"}],"predecessor-version":[{"id":19743,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/posts\/19735\/revisions\/19743"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media\/19744"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/media?parent=19735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/categories?post=19735"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/ja\/wp-json\/wp\/v2\/tags?post=19735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}