{"id":10613,"date":"2026-08-29T23:42:58","date_gmt":"2026-08-29T15:42:58","guid":{"rendered":"https:\/\/q8bbzjnpm5.wpdns.site\/?p=10613"},"modified":"2026-08-29T23:42:58","modified_gmt":"2026-08-29T15:42:58","slug":"how-to-choose-the-right-oil-immersed-transformer-a-buyer-s-guide","status":"publish","type":"post","link":"https:\/\/subian-electric.com\/ja\/news\/how-to-choose-the-right-oil-immersed-transformer-a-buyer-s-guide\/","title":{"rendered":"\u9069\u5207\u306a\u6cb9\u6d78\u5f0f\u5909\u5727\u5668\u3092\u9078\u3076\u65b9\u6cd5\uff1a\u30d0\u30a4\u30e4\u30fc\u30ac\u30a4\u30c9"},"content":{"rendered":"<p>\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30d3\u30eb\u3068\u751f\u7523\u4fe1\u983c\u6027\u8a18\u9332\u3092\u898b\u3066\u3001\u65bd\u8a2d\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u30011.8 MW\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u30d4\u30fc\u30af\u3092\u5f15\u304d\u51fa\u3057\u3001\u4eca\u5e74\u5ea6\u3053\u308c\u307e\u3067\u306b3\u56de\u306e\u751f\u7523\u640d\u5931\uff08\u4f4e\u96fb\u5727\u30c8\u30ea\u30c3\u30d7\u306b\u3088\u308b\uff09\u3092\u88ab\u3063\u3066\u3044\u308b24\u6642\u9593\u7a3c\u50cd\u306e\u30d7\u30e9\u30f3\u30c8\u306e\u72b6\u6cc1\u306b\u9589\u3058\u8fbc\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u4f1a\u793e\u306f\u3001\u30a8\u30f3\u30c8\u30ea\u30fc\u306b\u30c8\u30e9\u30f3\u30b9\u306e\u8a2d\u7f6e\u304c\u5fc5\u8981\u306a33 kV\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5c02\u7528\u4f9b\u7d66\u3092\u63d0\u6848\u3057\u3066\u3044\u307e\u3059\u3002\u55b6\u696d\u62c5\u5f53\u8005\u306e\u4e00\u4eba\u306f\u30012,000 kVA\u306e\u30c8\u30e9\u30f3\u30b9\u304c\u30d7\u30e9\u30f3\u30c8\u306e\u30cb\u30fc\u30ba\u306b\u9069\u3057\u3066\u3044\u308b\u3068\u4e3b\u5f35\u3057\u3066\u3044\u307e\u3059\u3002\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u300c\u9069\u3057\u3066\u3044\u308b\u300d\u3068\u3044\u3046\u3053\u3068\u304c\u30c8\u30e9\u30f3\u30b9\u3092\u6b63\u3057\u304f\u30b5\u30a4\u30ba\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u306a\u3044\u3053\u3068\u3092\u7406\u89e3\u3057\u3066\u304a\u308a\u3001\u8aa4\u3063\u305fkVA\u6d88\u8cbb\u306f\u9577\u671f\u7684\u306a\u8cbb\u7528\u306b\u3064\u306a\u304c\u308a\u3001\u8aa4\u3063\u305f\u96fb\u5727\u6bd4\u306f\u63d0\u6848\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b9\u306e\u8a2d\u7f6e\u306e\u5229\u70b9\u3092\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5f7c\u5973\u306f\u6b63\u3057\u3044\u6cb9\u5165\u30c8\u30e9\u30f3\u30b9\u3092\u9078\u629e\u3059\u308b\u305f\u3081\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u5fc5\u8981\u3068\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p>\u3053\u306e\u30d0\u30a4\u30e4\u30fc\u30ba\u30ac\u30a4\u30c9\u306f\u3001\u5fc5\u8981\u306a\u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002kVA\u306e\u9078\u629e\u3001\u96fb\u5727\u6bd4\u306e\u6c7a\u5b9a\u3001\u30c8\u30e9\u30f3\u30b9\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u7279\u6027\u3001\u30bf\u30c3\u30d7\u7bc4\u56f2\u3001\u640d\u5931\u30ec\u30d9\u30eb\u306a\u3069\u3001\u30c8\u30e9\u30f3\u30b9\u9078\u5b9a\u30d7\u30ed\u30bb\u30b9\u3092\u5b9a\u7fa9\u3059\u308b8\u3064\u306e\u6c7a\u5b9a\u306e\u4e00\u9023\u3092\u6848\u5185\u3057\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u95a2\u9023\u3059\u308b\u6570\u5024\u3068\u57fa\u6e96\u3092\u542b\u307f\u307e\u3059\u3002.<\/p>\n<blockquote><p>\u7c21\u5358\u306b\u8a00\u3048\u3070\u3001\u6cb9\u5165\u30c8\u30e9\u30f3\u30b9\u3092\u9078\u629e\u3059\u308b\u969b\u306b\u306f\u30018\u3064\u306e\u91cd\u8981\u306a\u5909\u6570\u304c\u95a2\u4e0e\u3057\u307e\u3059\uff1a(1) kVA\u30b5\u30a4\u30ba\u306f\u6700\u5927\u30d4\u30fc\u30af\u306b15\u301c25\u30d1\u30fc\u30bb\u30f3\u30c8\u306e\u30de\u30fc\u30b8\u30f3\u3092\u52a0\u5473\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1b(2) \u96fb\u5727\u6bd4\u306f\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3068\u30d7\u30e9\u30f3\u30bf\u30fc\u306e\u30e9\u30a4\u30f3\u306b\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1b(3) \u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306f\u3001\u30af\u30e9\u30b9\u3068\u6545\u969c\u30ec\u30d9\u30eb\u306e\u8abf\u6574\u306b\u57fa\u3065\u3044\u3066\u3001\u901a\u5e384.5\u301c8\u30d1\u30fc\u30bb\u30f3\u30c8\u306e\u7bc4\u56f2\u306b\u3042\u308a\u307e\u3059\uff1b(4) \u30d9\u30af\u30c8\u30eb\u30b0\u30eb\u30fc\u30d7\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u63a5\u5730\u3068\u4f4d\u76f8\u306e\u5ea6\u5408\u3044\u3068\u540c\u671f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1b(5) \u30bf\u30c3\u30d7\u7bc4\u56f2\u306f\u3001\u5b89\u5b9a\u3057\u305f\u30b0\u30ea\u30c3\u30c9\u306e\u5834\u5408\u306f\u00b12.5\u30d1\u30fc\u30bb\u30f3\u30c8\u306e\u30aa\u30d5\u30b5\u30fc\u30ad\u30c3\u30c8\u3067\u00b12\u500d\u3001\u5f31\u3044\u30b0\u30ea\u30c3\u30c9\u306e\u5834\u5408\u306f\u00b11.25\u30d1\u30fc\u30bb\u30f3\u30c8\u306e\u30aa\u30f3\u30b5\u30fc\u30ad\u30c3\u30c8\u3067\u00b18\u500d\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\uff1b(6) \u30c8\u30e9\u30f3\u30b9\u306e\u640d\u5931\u30af\u30e9\u30b9\u306f\u3001\u640d\u5931\u3092\u6d3b\u7528\u3057\u3066GB 20052\u307e\u305f\u306fEU\u30a8\u30b3\u30c7\u30b6\u30a4\u30f3\u306b\u5f93\u3063\u3066\u78ba\u7acb\u3055\u308c\u307e\u3059\uff1b(7) \u51b7\u5374\u306f\u3001\u8ca0\u8377\u4fc2\u6570\u306b\u57fa\u3065\u3044\u3066ONAN\u307e\u305f\u306fONAF\u306e\u3044\u305a\u308c\u304b\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1b(8) \u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u6a5f\u5668\u306b\u306f\u3001\u30d6\u30af\u30db\u30eb\u30c4\u30ea\u30ec\u30fc\u3001PRD\u3001\u6e29\u5ea6\u30e2\u30cb\u30bf\u30fc\u3001\u30d0\u30a4\u30d6\u30ed\u30b5\u30fc\u30e2\u30e1\u30fc\u30bf\u30fc\u304c\u542b\u307e\u308c\u307e\u3059\u3002.<\/p><\/blockquote>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10614\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/How-To-Choose-The-Right-Oil-Immersed-Transformer-A-Buyers-Guide.webp\" alt=\"\u9069\u5207\u306a\u6cb9\u6d78\u30c8\u30e9\u30f3\u30b9\u3092\u9078\u3076\u65b9\u6cd5 \u30d0\u30a4\u30e4\u30fc\u30ba\u30ac\u30a4\u30c9\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>\u76ee\u6b21<\/h2>\n<ol>\n<li><a href=\"#sizing\">\u6c7a\u5b9a1\uff1akVA\u5b9a\u683c\u306e\u30b5\u30a4\u30ba\u8a2d\u5b9a<\/a><\/li>\n<li><a href=\"#ratio\">\u6c7a\u5b9a2\uff1a\u96fb\u5727\u6bd4\u3068\u30bf\u30c3\u30d7<\/a><\/li>\n<li><a href=\"#impedance\">\u6c7a\u5b9a3\uff1a\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9<\/a><\/li>\n<li><a href=\"#vector\">\u6c7a\u5b9a4\uff1a\u30d9\u30af\u30c8\u30eb\u30b0\u30eb\u30fc\u30d7<\/a><\/li>\n<li><a href=\"#taps\">\u6c7a\u5b9a5\uff1a\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u306e\u9078\u629e<\/a><\/li>\n<li><a href=\"#loss\">\u6c7a\u5b9a6\uff1a\u640d\u5931\u30af\u30e9\u30b9\u3068\u52b9\u7387<\/a><\/li>\n<li><a href=\"#cooling\">\u6c7a\u5b9a7\uff1a\u51b7\u5374\u30e2\u30fc\u30c9<\/a><\/li>\n<li><a href=\"#accessories\">\u6c7a\u5b9a8\uff1a\u30a2\u30af\u30bb\u30b5\u30ea\u30fc\u3068\u4fdd\u8b77<\/a><\/li>\n<li><a href=\"#method\">\u516d\u3064\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u3088\u308b\u9078\u5b9a\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"#brands\">\u30d6\u30e9\u30f3\u30c9\u3068\u4fa1\u683c\u30ac\u30a4\u30c0\u30f3\u30b9<\/a><\/li>\n<li><a href=\"#faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><\/li>\n<li><a href=\"#references\">\u53c2\u8003\u6587\u732e<\/a><\/li>\n<li><a href=\"#conclusion\">\u7d50\u8ad6<\/a><\/li>\n<\/ol>\n<hr \/>\n<h2 id=\"sizing\">\u6c7a\u5b9a1\uff1akVA\u5b9a\u683c\u306e\u30b5\u30a4\u30ba\u8a2d\u5b9a<\/h2>\n<p>\u4ed6\u306e\u3059\u3079\u3066\u306e\u6c7a\u5b9a\u3092\u5c0e\u304f\u306e\u306f\u30b5\u30a4\u30ba\u8a2d\u5b9a\u3067\u3042\u308a\u3001\u3059\u3079\u3066\u306e\u5f8c\u306e\u6c7a\u5b9a\u306f\u5b9a\u683c\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7\u306e\u6587\u8108\u3067\u884c\u308f\u308c\u307e\u3059\u3002\u6b63\u3057\u3044\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u30d4\u30fc\u30af\u9700\u8981\u3092\u7279\u5b9a\u307e\u305f\u306f\u8a55\u4fa1\u3057\u307e\u3059\u30021\u5e74\u9593\u306e\u30e1\u30fc\u30bf\u30fc\u30c7\u30fc\u30bf\uff08\u4f8b\uff1a\u8ca0\u8377\u8abf\u67fb\uff09\u3092\u4f7f\u7528\u3059\u308b\u304b\u3001\u30b5\u30a4\u30c8\u304c\u65b0\u3057\u3044\u5834\u5408\u306f\u63a5\u7d9a\u8ca0\u8377\u3092\u7279\u5b9a\u3057\u3001\u591a\u69d8\u6027\u4fc2\u6570\uff08\u5546\u696d\u7528\u306f475\u3001\u5de5\u696d\u7528\u306f0.5-0.8\uff09\u3092\u9069\u7528\u3057\u307e\u3059\u3002.<\/li>\n<li>kVA\u306b\u5909\u63db\u3057\u307e\u3059\u3002kVA = kW\/\u529b\u7387\u3002\u529b\u7387\u304c0.9\u306e\u5834\u5408\u30011.8 MW\u306e\u30d4\u30fc\u30af\u9700\u8981\u306f2,000 kVA\u306b\u5909\u63db\u3055\u308c\u307e\u3059\uff1b\u529b\u7387\u304c0.8\u306e\u5834\u5408\u306f2,250 kVA\u306b\u306a\u308a\u307e\u3059\u3002.<\/li>\n<li>\u5e38\u306b\u5b9f\u969b\u306e\u307e\u305f\u306f\u4e88\u6e2c\u3055\u308c\u305f\u529b\u7387\u3092\u4f7f\u7528\u3057\u30011.0\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/li>\n<li>\u6210\u9577\u30de\u30fc\u30b8\u30f3\u3092\u5c0e\u5165\u3057\u307e\u3059\u3002\u8a08\u753b\u671f\u9593\u306e5-10\u5e74\u9593\u306b\u308f\u305f\u308b\u8ca0\u8377\u6210\u9577\u306e\u305f\u3081\u306b15-25%\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u30012,000 kVA\u306f2,300-2,500 kVA\u306b\u306a\u308a\u307e\u3059\u3002.<\/li>\n<li>\u6a19\u6e96\u5b9a\u683c\u306b\u4e38\u3081\u307e\u3059\u3002\u3053\u306e\u8fd1\u8fba\u306e\u6a19\u6e96kVA\u306e\u5897\u5206\u306f1600\/2000\/2500\u304a\u3088\u30733150\u3067\u3059\u3002.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>\u8a08\u7b97\u3055\u308c\u305fkVA\uff08\u8ca0\u8377\u8abf\u67fb\uff09<\/th>\n<th>\u6ce8\u6587\u3059\u308b\u305f\u3081\u306e\u6a19\u6e96\u5b9a\u683c<\/th>\n<th>\u5178\u578b\u7684\u306a\u7528\u9014<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6700\u5927400 kVA<\/td>\n<td>400 \/ 500 kVA<\/td>\n<td>\u5c0f\u898f\u6a21\u5546\u696d\u3001\u6751<\/td>\n<\/tr>\n<tr>\n<td>400\u2013800 kVA<\/td>\n<td>630 \/ 800 \/ 1,000 kVA<\/td>\n<td>\u5de5\u5834\u3001\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u30e2\u30fc\u30eb<\/td>\n<\/tr>\n<tr>\n<td>800\u20131,300 kVA<\/td>\n<td>1,000 \/ 1,250 \/ 1,600 kVA<\/td>\n<td>\u4e2d\u898f\u6a21\u7523\u696d<\/td>\n<\/tr>\n<tr>\n<td>1,300\u20132,200 kVA<\/td>\n<td>2,000 \/ 2,500 kVA<\/td>\n<td>\u5927\u898f\u6a21\u30d7\u30e9\u30f3\u30c8\u3001\u30ad\u30e3\u30f3\u30d1\u30b9<\/td>\n<\/tr>\n<tr>\n<td>2,200 kVA\u4ee5\u4e0a<\/td>\n<td>3,150 kVA\u4ee5\u4e0a<\/td>\n<td>\u30b5\u30d6\u30b9\u30c6\u30fc\u30b7\u30e7\u30f3\u3001\u5927\u898f\u6a21\u7523\u696d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8a08\u7b97\u3055\u308c\u305f\u5024\u3092\u8d85\u3048\u308b\u6700\u3082\u8fd1\u3044\u9069\u5207\u306a\u5b9a\u683c\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u79c1\u305f\u3061\u306e\u30b1\u30fc\u30b9\u3067\u63a8\u5b9a\u3055\u308c\u305f\u5024\u306f2,500 kVA\u3067\u3057\u305f\u3002.<\/p>\n<p>??\u306e\u4e00\u822c\u7684\u306a\u30b5\u30a4\u30ba\u8a2d\u5b9a\u306e\u8aa4\u308a\u306f\u9ad8\u984d\u3067\u3059\u3002\u30aa\u30fc\u30d0\u30fc\u30b5\u30a4\u30ba\uff08\u4f8b\uff1a\u5fc5\u8981\u306a2,000 kVA\u306b\u5bfe\u3057\u30663,150 kVA\u30e6\u30cb\u30c3\u30c8\u3092\u4f7f\u7528\u3059\u308b\uff09\u306f\u3001\u30e6\u30cb\u30c3\u30c8\u306e\u5bff\u547d\u3092\u901a\u3058\u3066\u767a\u751f\u3059\u308b\u7121\u8ca0\u8377\u640d\u5931\u306b\u3088\u308b\u4e0d\u5fc5\u8981\u306a\u8cbb\u7528\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059 - 3,150 kVA\u30e6\u30cb\u30c3\u30c8\u306e\u7121\u8ca0\u8377\u640d\u5931\uff08\u7d044.4\uff09\u306f\u3001$0.08 per kWh\u3067\u5e74\u9593$3100\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u30a2\u30f3\u30c0\u30fc\u30b5\u30a4\u30ba\u306f\u904e\u8ca0\u8377\u904b\u8ee2\u3092\u5f15\u304d\u8d77\u3053\u3057\u3001\u7d76\u7e01\u4f53\u306e\u52a3\u5316\u3092\u62db\u304d\u3001\u30d4\u30fc\u30af\u6642\u306b\u30c8\u30ea\u30c3\u30d7\u3092\u767a\u751f\u3055\u305b\u307e\u3059\u3002\u9069\u5207\u306a\u30b5\u30a4\u30ba\u306f\u3001\u30c7\u30a3\u30fc\u30e9\u30fc\u304b\u3089\u306e\u4e38\u3044\u6570\u5b57\u3067\u306f\u306a\u304f\u3001\u8ca0\u8377\u8abf\u67fb\u306b\u3088\u3063\u3066\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002.<\/p>\n<h2 id=\"ratio\">\u6c7a\u5b9a2\uff1a\u96fb\u5727\u6bd4\u3068\u30bf\u30c3\u30d7<\/h2>\n<p>\u96fb\u5727\u6bd4\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u4e21\u7aef\u3067\u7b49\u3057\u304f\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\uff1a\u96fb\u529b\u4f1a\u793e\u304b\u3089\u306e\u96fb\u5727\u3068\u30d0\u30b9\u5185\u306e\u96fb\u5727\u3067\u3059\u3002\u6700\u3082\u4e00\u822c\u7684\u306a\u30da\u30a2\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30d5\u30a3\u30fc\u30c9\u96fb\u5727<\/th>\n<th>\u8ca0\u8377\u5074\u30d0\u30b9<\/th>\n<th>\u5178\u578b\u7684\u306a\u30e6\u30cb\u30c3\u30c8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>33 kV<\/td>\n<td>11 kV<\/td>\n<td>33\/11 kV \u914d\u96fb<\/td>\n<\/tr>\n<tr>\n<td>35 kV<\/td>\n<td>5 kV<\/td>\n<td>35\/10.5 kV \u96fb\u529b<\/td>\n<\/tr>\n<tr>\n<td>22 kV<\/td>\n<td>11 kV<\/td>\n<td>22\/11 kV \u914d\u96fb<\/td>\n<\/tr>\n<tr>\n<td>11 kV<\/td>\n<td>4 kV<\/td>\n<td>11\/0.4 kV \u30dd\u30fc\u30eb\u307e\u305f\u306f\u30d1\u30c3\u30c9\u30de\u30a6\u30f3\u30c8<\/td>\n<\/tr>\n<tr>\n<td>6 \/ 6.3 kV<\/td>\n<td>4 kV<\/td>\n<td>3\/0.4 kV \u5de5\u696d\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u30bf\u30c3\u30d7\u306e\u7bc4\u56f2\u306f\u9ad8\u96fb\u5727\u5074\u3067\u6c7a\u5b9a\u3055\u308c\u3001\u96fb\u529b\u4f1a\u793e\u306e\u96fb\u5727\u306e\u5909\u5316\u3068\u5909\u5727\u5668\u304b\u3089\u306e\u96fb\u5727\u964d\u4e0b\u306e\u4e21\u65b9\u3092\u88dc\u511f\u3057\u307e\u3059\u3002\u96fb\u5727\u4f9b\u7d66\u304c\u00b12.5%\u306e\u7cbe\u5ea6\u3067\u4e00\u5b9a\u306e\u5834\u5408\u3001\u30aa\u30d5\u30b5\u30fc\u30ad\u30c3\u30c8\u30bf\u30c3\u30d7\u3092\u4f7f\u7528\u3057\u3066\u00b12 \u00d7 2.5%\u306e\u4f4d\u7f6e\u3067\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u4f9b\u7d66\u304c\u5f31\u3044\u5834\u5408\u3084\u8ca0\u8377\u304c\u5909\u5316\u3059\u308b\u5834\u5408\u3001\u00b18 \u00d7 1.25%\u306e\u8abf\u6574\u3092\u6301\u3064\u30aa\u30f3\u30ed\u30fc\u30c9\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u304c\u5fc5\u8981\u306a\u5236\u5fa1\u3092\u7dad\u6301\u3057\u307e\u3059\u3002\u7d4c\u6e08\u7684\u306b\u8a00\u3048\u3070\u3001OLTC\u306f\u5909\u5727\u5668\u306e\u30b3\u30b9\u30c8\u309215-30%\u5897\u52a0\u3055\u305b\u307e\u3059\u304c\u3001\u5b9f\u969b\u306b\u96fb\u5727\u306e\u5909\u5316\u304c\u3042\u308b\u5834\u5408\u306b\u306e\u307f\u5408\u7406\u7684\u3067\u3059\u3002.<\/p>\n<h2 id=\"impedance\">\u6c7a\u5b9a3\uff1a\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9<\/h2>\n<p>\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u8981\u56e0\uff08\u77ed\u7d61\u96fb\u5727\u3001UK%\uff09\u306f\u3001\u4e92\u3044\u306b\u5bfe\u7acb\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b2\u3064\u306e\u8981\u56e0\u3092\u6c7a\u5b9a\u3057\u307e\u3059\uff1a\u96fb\u5727\u8abf\u6574\u6a5f\u80fd\u3068\u77ed\u7d61\u96fb\u6d41\u3002\u4f4e\u3044\u969c\u5bb3\u306f\u5f37\u3044\u8abf\u6574\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u540c\u6642\u306b\u3088\u308a\u5927\u304d\u306a\u77ed\u7d61\u96fb\u6d41\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u9ad8\u3044\u307b\u3069\u77ed\u7d61\u96fb\u6d41\u306f\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u96fb\u5727\u964d\u4e0b\u306f\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u30eb\u30fc\u30eb\u306f\u3001\u65e2\u5b58\u306e\u4fdd\u8b77\u304a\u3088\u3073\u5207\u66ff\u6a5f\u5668\u3068\u4e92\u63db\u6027\u306e\u3042\u308b\u5909\u5727\u5668\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3059\uff1a<\/p>\n<ul>\n<li>\u914d\u96fb\u5909\u5727\u5668\uff08\u22641,000 kVA\uff09\uff1a4 \u2013 4.5%\u304c\u57fa\u6e96\u3067\u3059\uff1b;<\/li>\n<li>\u4e2d\u578b\u5909\u5727\u5668\uff081.6 \u2013 10 MVA\uff09\uff1a6% \u2013 8%\u304c\u5e73\u5747\u3067\u3059\uff1b7.5%\u306f\u4e00\u822c\u7684\u306a\u4ed5\u69d8\u3067\u3059\uff1b;<\/li>\n<li>\u5927\u578b\u5909\u5727\u5668\uff08&gt;10 MVA\uff09\uff1a8% \u2013 14%\u3001\u96fb\u529b\u304c\u9ad8\u3044\u307b\u3069\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3082\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002.<\/li>\n<\/ul>\n<p>\u4e0d\u9069\u5207\u306a\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306f\u8abf\u6574\u306e\u5371\u967a\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u9078\u629e\u3055\u308c\u305f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u5c0f\u3055\u3059\u304e\u308b\u3068\u3001\u5909\u5727\u5668\u306f\u56de\u8def\u906e\u65ad\u5668\u304c\u30af\u30ea\u30a2\u3067\u304d\u306a\u3044\u77ed\u7d61\u96fb\u6d41\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<h2 id=\"vector\">\u6c7a\u5b9a4\uff1a\u30d9\u30af\u30c8\u30eb\u30b0\u30eb\u30fc\u30d7<\/h2>\n<p>\u30d9\u30af\u30c8\u30eb\u30b0\u30eb\u30fc\u30d7\u306e\u5b9a\u7fa9\u306f\u3001\u5909\u5727\u5668\u306e\u5dfb\u7dda\u69cb\u6210\u3068\u4f4d\u76f8\u306e\u305a\u308c\u3001\u63a5\u5730\u69cb\u6210\u304a\u3088\u3073\u4e26\u5217\u904b\u8ee2\u8981\u4ef6\u3092\u542b\u307f\u307e\u3059\u3002\u6cb9\u6d78\u5909\u5727\u5668\u3067\u4f7f\u7528\u3055\u308c\u308b\u6700\u3082\u4e00\u822c\u7684\u306a2\u3064\u306e\u30d9\u30af\u30c8\u30eb\u30b0\u30eb\u30fc\u30d7\u306f\uff1a<\/p>\n<ul>\n<li>Dyn11\uff1a\u9ad8\u5074\u306e\u30c7\u30eb\u30bf\u69cb\u6210\u3068\u4f4e\u5074\u306e\u30b9\u30bf\u30fc\u69cb\u6210\uff08\u5909\u5727\u5668\u304b\u3089\u306e\u4e2d\u6027\u30ea\u30fc\u30c9\u30a2\u30a6\u30c8\u4ed8\u304d\uff09\u3002\u3053\u306e\u30d9\u30af\u30c8\u30eb\u30b0\u30eb\u30fc\u30d7\u306e\u6307\u5b9a\u306f\u3001\u5358\u76f8\u307e\u305f\u306f\u4e09\u76f8\u56de\u8def\u3067\u52d5\u4f5c\u3059\u308b\u914d\u96fb\u5909\u5727\u5668\uff08\u4f8b\uff1a11\/0.4 kV\uff09\u306b\u901a\u5e38\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/li>\n<li>YNd11\uff1a\u9ad8\u5074\u306e\u30b9\u30bf\u30fc\u69cb\u6210\uff08\u5909\u5727\u5668\u304b\u3089\u306e\u4e2d\u6027\u30ea\u30fc\u30c9\u30a2\u30a6\u30c8\u4ed8\u304d\uff09\u3068\u4f4e\u5074\u306e\u30c7\u30eb\u30bf\u69cb\u6210\u3002\u3053\u306e\u30d9\u30af\u30c8\u30eb\u30b0\u30eb\u30fc\u30d7\u306e\u6307\u5b9a\u306f\u3001\u5909\u5727\u5668\u306e\u4e2d\u6027\u3092\u4ecb\u3057\u3066\u63a5\u5730\u5074\u306b\u96fb\u529b\u3092\u4f9b\u7d66\u3059\u308b\u96fb\u529b\u5909\u5727\u5668\uff08\u4f8b\uff1a35\/10.5 kV\uff09\u306b\u4e00\u822c\u7684\u3067\u3059\u3002.<\/li>\n<\/ul>\n<p>\u30d9\u30af\u30c8\u30eb\u30b0\u30eb\u30fc\u30d7\u306e\u91cd\u8981\u6027\u306f\u30012\u53f0\u4ee5\u4e0a\u306e\u30e6\u30cb\u30c3\u30c8\u3092\u4e26\u5217\u63a5\u7d9a\u3059\u308b\u969b\u306b\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3059\u3002\u540c\u3058\u30d0\u30b9\u306b\u63a5\u7d9a\u3055\u308c\u305f2\u3064\u306e\u5909\u5727\u5668\u306f\u3001\u540c\u3058\u4f4d\u76f8\u305a\u308c\u306e\u89d2\u5ea6\u3092\u6301\u3061\u3001\u00b17.5%\u306b\u7b49\u3057\u3044\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u6301\u3063\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30d9\u30af\u30c8\u30eb\u30b0\u30eb\u30fc\u30d7\u304c\u7570\u306a\u308b\u5834\u5408\u3001\u5faa\u74b0\u96fb\u6d41\u304c\u767a\u751f\u3057\u3001\u5909\u5727\u5668\u306e\u904e\u71b1\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u9298\u677f\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u56de\u907f\u3067\u304d\u308b\u9ad8\u30b3\u30b9\u30c8\u306e\u554f\u984c\u3067\u3059\u3002.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10616\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/8-key-decisions.webp\" alt=\"\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2 id=\"taps\">\u6c7a\u5b9a5\uff1a\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u306e\u9078\u629e<\/h2>\n<p>\u5c02\u9580\u5bb6\u306b\u3088\u308b\u3068\u3001\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u306f\u5909\u5727\u5668\u306e\u552f\u4e00\u306e\u53ef\u52d5\u90e8\u54c1\u3067\u3059\u3002\u30bf\u30c3\u30d7\u3092\u9078\u629e\u3059\u308b\u6c7a\u5b9a\u306f\u3001\u4fe1\u983c\u6027\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30bf\u30a4\u30d7<\/th>\n<th>\u4e00\u822c\u7684\u306a\u7bc4\u56f2<\/th>\n<th>\u64cd\u4f5c<\/th>\n<th>\u30b3\u30b9\u30c8\u5f71\u97ff<\/th>\n<th>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30aa\u30d5\u56de\u8def\uff08DETC\uff09<\/td>\n<td>\u00b12 \u00d7 2.5%<\/td>\n<td>\u975e\u901a\u96fb\u6642\u306e\u307f<\/td>\n<td>\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3<\/td>\n<td>\u691c\u67fb\u4ee5\u5916\u306f\u3042\u308a\u307e\u305b\u3093<\/td>\n<\/tr>\n<tr>\n<td>\u8ca0\u8377\u6642\uff08OLTC\uff09\u3001\u6cb9\u6d78\u62b5\u6297<\/td>\n<td>\u00b18 \u00d7 1.25% \u307e\u305f\u306f \u00b16 \u00d7 1.67%<\/td>\n<td>\u8ca0\u8377\u4e0b<\/td>\n<td>+15\u201330%<\/td>\n<td>50,000\uff5e100,000 ops<\/td>\n<\/tr>\n<tr>\n<td>OLTC\u3001\u771f\u7a7a\u30bf\u30a4\u30d7<\/td>\n<td>\u00b18 \u00d7 1.25%<\/td>\n<td>\u8ca0\u8377\u4e0b<\/td>\n<td>+20\u201335%<\/td>\n<td>150,000\uff5e200,000 ops<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u96fb\u6e90\u304c\u5b89\u5b9a\u3057\u3066\u3044\u3066\u8ca0\u8377\u304c\u4e00\u5b9a\u306e\u5834\u5408\u3001\u56de\u8def\u5916\u30bf\u30c3\u30d7\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u8ca0\u8377\u8abf\u6574\u304c\u5fc5\u8981\u306a\u5834\u5408\u3001\u8ca0\u8377\u304c\u4e0d\u5b89\u5b9a\u3067\u3042\u308b\u304b\u3001\u4f4e\u96fb\u5727\u30a4\u30d9\u30f3\u30c8\u306b\u3088\u308a\u30d7\u30ed\u30bb\u30b9\u304c\u6a5f\u80fd\u3057\u306a\u3044\u5834\u5408\u3001\u96fb\u6e90\u306f\u00b12.5%\u4ee5\u4e0a\u5909\u52d5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u300210 MVA\u30e6\u30cb\u30c3\u30c8\u306e\u4fa1\u683c\u5dee\uff08$6,000-12,000\uff09\u306f\u3001\u4f4e\u96fb\u5727\u306e\u9577\u671f\u7684\u306a\u5f71\u97ff\u306b\u3088\u308b\u640d\u5931\u3068\u6bd4\u8f03\u3059\u308b\u3068\u7121\u8996\u3067\u304d\u308b\u3088\u3046\u306b\u601d\u3048\u307e\u3059\u3002.<\/p>\n<h2 id=\"loss\">\u6c7a\u5b9a6\uff1a\u640d\u5931\u30af\u30e9\u30b9\u3068\u52b9\u7387<\/h2>\n<p>\u307b\u3068\u3093\u3069\u306e\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u30b3\u30b9\u30c8\u306f\u640d\u5931\u30ab\u30c6\u30b4\u30ea\u3067\u8a55\u4fa1\u3055\u308c\u307e\u3059\u3002\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b2\u3064\u306e\u640d\u5931\u6e2c\u5b9a\u306f\u3001\u7121\u8ca0\u8377\u640d\u5931\uff08P0\u3001\u7d42\u65e5\u7d99\u7d9a\uff09\u3068\u8ca0\u8377\u640d\u5931\uff08Pk\u3001\u8ca0\u8377\u4fc2\u6570\u306e\u4e8c\u4e57\u306b\u4f9d\u5b58\uff09\u3067\u3059\u3002\u63a8\u5968\u4e8b\u9805\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n<ul>\n<li>\u9069\u7528\u3055\u308c\u308b\u57fa\u6e96\u3092\u9075\u5b88\u3057\u3066\u304f\u3060\u3055\u3044\uff1a\u4e2d\u56fd\u306eGB 20052-2020\u3001\u30e8\u30fc\u30ed\u30c3\u30d1\u306eEU\u30a8\u30b3\u30c7\u30b6\u30a4\u30f3\u898f\u5247548\/2014\u3001\u7c73\u56fd\u306eDOE 10 CFR Part 431\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306f\u640d\u5931\u306e\u4e0a\u9650\u3092\u6301\u3063\u3066\u304a\u308a\u3001\u975e\u5e38\u306b\u6709\u7528\u3067\u3059\u3002.<\/li>\n<li>\u5dee\u3092\u8a55\u4fa1\u3057\u3066\u304f\u3060\u3055\u3044\uff1aP0\u306e\u5404kW\u306f\u3001\u6599\u91d1 \u00d7 8,760\u6642\u9593 \u00d7 \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5bff\u547d\u306e\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002Pk\u306e\u5404kW\u306f\u3001\u6599\u91d1 \u00d7 8,760\u6642\u9593 \u00d7 \uff08\u5e73\u5747\u8ca0\u8377\u4fc2\u6570\uff09\u00b2 \u00d7 \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5bff\u547d\u306e\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<li>\u9ad8\u8ca0\u8377\u4fc2\u6570\u306e\u5834\u5408\u306f\u4f4e\u640d\u5931\u30af\u30e9\u30b9\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\uff1aP0\u5024\u304c60-70%\u4f4e\u3044\u30a2\u30e2\u30eb\u30d5\u30a1\u30b9\u30b3\u30a2\u5909\u5727\u5668\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6295\u8cc7\u306f6-12\u5e74\u4ee5\u5185\u306b\u56de\u53ce\u3067\u304d\u3001\u5229\u76ca\u3092\u3082\u305f\u3089\u3057\u7d9a\u3051\u307e\u3059\u3002.<\/li>\n<\/ul>\n<p>1,000 kVA\u30e6\u30cb\u30c3\u30c8\u306b\u95a2\u3059\u308b\u7d71\u8a08\uff1a\u4f4e\u640d\u5931\u6280\u8853\u306f\u3001S11\u3088\u308a\u3082\u7d041.1 kW\u4f4e\u3044P0\u3092\u6301\u3061\u3001\u3053\u308c\u306f$770\/\u5e74\u3067\u3001$0.08\/kWh\u306e\u5834\u5408\u3001$19,000\u304c25\u5e74\u9593\u306b\u308f\u305f\u3063\u3066\u652f\u6255\u308f\u308c\u3001\u521d\u671f\u306e$3,000-$6,000\u306b\u5bfe\u3057\u3066\u652f\u6255\u308f\u308c\u307e\u3059\u3002.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u8ca0\u8377\u4fc2\u6570<\/th>\n<th>S11\u7121\u8ca0\u8377\u640d\u5931\uff081,000 kVA\uff09<\/th>\n<th>\u30a2\u30e2\u30eb\u30d5\u30a1\u30b9\u7121\u8ca0\u8377\u640d\u5931<\/th>\n<th>\u5e74\u9593\u7bc0\u7d04 @ $0.08\/kWh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>3\uff08\u8efd\u8ca0\u8377\uff09<\/td>\n<td>7 kW<\/td>\n<td>6 kW<\/td>\n<td>$770<\/td>\n<\/tr>\n<tr>\n<td>6\uff08\u5e73\u5747\uff09<\/td>\n<td>7 kW<\/td>\n<td>6 kW<\/td>\n<td>$770<\/td>\n<\/tr>\n<tr>\n<td>9\uff08\u91cd\u8ca0\u8377 \/ 24\/7\uff09<\/td>\n<td>7 kW<\/td>\n<td>6 kW<\/td>\n<td>$770<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7121\u8ca0\u8377\u640d\u5931\u306f\u8ca0\u8377\u4fc2\u6570\u306b\u95a2\u4fc2\u306a\u304f\u540c\u69d8\u306e\u307e\u307e\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u7bc0\u7d04\u304c\u4e00\u5b9a\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u9ad8\u3044\u7a3c\u50cd\u6642\u9593\u306f\u3001\u53b3\u3057\u3044\u30d7\u30ec\u30df\u30a2\u30e0\u3078\u306e\u6295\u8cc7\u304c\u8fc5\u901f\u306b\u56de\u53ce\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n<h2 id=\"cooling\">\u6c7a\u5b9a7\uff1a\u51b7\u5374\u30e2\u30fc\u30c9<\/h2>\n<p>\u5909\u5727\u5668\u3092\u51b7\u5374\u30e2\u30fc\u30c9\u306b\u3059\u308b\u3068\u3001\u71b1\u7684\u5236\u9650\u3068\u8a31\u5bb9\u904e\u8ca0\u8377\u304c\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u73fe\u5728\u306e\u57fa\u6e96\u3068\u305d\u306e\u89e3\u91c8\u3092\u793a\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n<ul>\n<li>ONAN\uff1a\u6cb9\u3068\u7a7a\u6c17\u304c\u81ea\u7136\u306b\u5909\u5727\u5668\u3092\u51b7\u5374\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u6700\u3082\u57fa\u672c\u7684\u306a\u51b7\u5374\u30bf\u30a4\u30d7\u3067\u3001\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u3067\u9759\u304b\u3067\u3001\u6545\u969c\u90e8\u54c1\u304c\u3042\u308a\u307e\u305b\u3093\u3002.<\/li>\n<li>ONAF\uff1a\u51b7\u5374\u306e\u305f\u3081\u306b\u6cb9\u306b\u52a0\u3048\u3066\u30d5\u30a1\u30f3\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d5\u30a1\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306720\u301c30\u30d1\u30fc\u30bb\u30f3\u30c8\u306e\u96fb\u529b\u304c\u5897\u52a0\u3057\u3001\u904e\u8ca0\u8377\u307e\u305f\u306f\u9593\u6b20\u7684\u306a\u8ca0\u8377\u306b\u306e\u307f\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/li>\n<li>OFAF\/ODAF: \u81ea\u7136\u5bfe\u6d41\u51b7\u5374\u3092\u4f7f\u7528\u3057\u3066\u71b1\u3092\u53d6\u308a\u9664\u304f\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u6700\u5927\u306e\u5909\u5727\u5668\u306e\u305f\u3081\u306e\u30d5\u30a1\u30f3\u3092\u4f7f\u7528\u3057\u305f\u5f37\u5236\u51b7\u5374\u65b9\u5f0f\u3067\u3059\u3002.<\/li>\n<\/ul>\n<p>\u8ca0\u8377\u7387\u304c\u7d040.8\u672a\u6e80\u3067\u30d4\u30fc\u30af\u304c\u5c11\u306a\u3044\u5834\u5408\u306f\u3001ONAN\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u77ed\u671f\u9593\u306e\u904e\u8ca0\u8377\u304c\u983b\u7e41\u306b\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u4e88\u60f3\u3055\u308c\u308b\u5834\u5408\u306f\u3001ONAN\/ONAF\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u5834\u5408\u30011,000 kVA\u306e\u914d\u96fb\u5909\u5727\u5668\u306f\u30d5\u30a1\u30f3\u306e\u52a9\u3051\u3092\u501f\u308a\u30661,250 kVA\u306b\u9054\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u904e\u8ca0\u8377\u30de\u30c3\u30d7\u304cIEC 60076-7\u306b\u5bfe\u3057\u3066\u30c1\u30a7\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u51b7\u5374\u30e2\u30fc\u30c9<\/th>\n<th>\u57fa\u672c\u5b9a\u683c<\/th>\n<th>\u77ed\u671f\u9593\u306e\u904e\u8ca0\u8377\u4f59\u88d5<\/th>\n<th>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>ONAN<\/td>\n<td>100%\uff08\u540d\u677f\uff09<\/td>\n<td>\u901a\u5e38\u3001IEC 60076-7\u306b\u5f93\u3063\u30661\u301c2\u6642\u9593\u306e\u305f\u3081\u306b120\u2013130%<\/td>\n<td>\u30e9\u30b8\u30a8\u30fc\u30bf\u30fc\u306e\u307f<\/td>\n<\/tr>\n<tr>\n<td>ONAN\/ONAF<\/td>\n<td>\u30d5\u30a1\u30f3\u30aa\u30d5\u306e100%<\/td>\n<td>\u30d5\u30a1\u30f3\u30aa\u30f3\u306e+20\u201330%<\/td>\n<td>\u30e9\u30b8\u30a8\u30fc\u30bf\u30fc + \u30d5\u30a1\u30f3<\/td>\n<\/tr>\n<tr>\n<td>OFAF \/ ODAF<\/td>\n<td>\u5f37\u5236\u51b7\u5374\u5b9a\u683c<\/td>\n<td>\u5dfb\u7dda\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u306b\u3088\u3063\u3066\u5236\u9650\u3055\u308c\u308b<\/td>\n<td>\u30dd\u30f3\u30d7 + \u30d5\u30a1\u30f3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"accessories\">\u6c7a\u5b9a8\uff1a\u30a2\u30af\u30bb\u30b5\u30ea\u30fc\u3068\u4fdd\u8b77<\/h2>\n<p>\u30a2\u30af\u30bb\u30b5\u30ea\u30fc\u306e\u30ea\u30b9\u30c8\u306f\u7c21\u6f54\u3067\u3001\u30b5\u30fc\u30d3\u30b9\u306b\u304a\u3044\u3066\u5fc5\u9808\u3067\u3042\u308a\u3001\u4e8b\u6545\u3068\u5927\u60e8\u4e8b\u306e\u9055\u3044\u3092\u4f1d\u3048\u308b\u6700\u3082\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3067\u3042\u308b\u3053\u3068\u304c\u983b\u7e41\u306b\u3042\u308a\u307e\u3059\uff1a<\/p>\n<ul>\n<li>\u30d6\u30af\u30db\u30eb\u30c4\uff08\u30ac\u30b9\uff09\u30ea\u30ec\u30fc\uff1a\u30b3\u30f3\u30b6\u30fc\u30d0\u30fc\u578b\u30c7\u30d0\u30a4\u30b9\u306e\u305f\u3081\u306e\u9045\u3044\u30ac\u30b9\u8b66\u5831\u3068\u901f\u3044\u30aa\u30a4\u30eb\u30b5\u30fc\u30b8\u30c8\u30ea\u30c3\u30d7\uff08~1 MVA\u4ee5\u4e0a\uff09\u3002\u914d\u7dda\u3057\u3001\u30c6\u30b9\u30c8\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li>\u5727\u529b\u89e3\u653e\u88c5\u7f6e\uff1a\u5185\u90e8\u5727\u529b\u304b\u3089\u30bf\u30f3\u30af\u3092\u89e3\u653e\u3057\u307e\u3059\uff1b\u30c7\u30d0\u30a4\u30b9\u306b\u5fdc\u3058\u3066\u30b5\u30a4\u30ba\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li>\u30aa\u30a4\u30eb\u304a\u3088\u3073\u5dfb\u7dda\u6e29\u5ea6\u6307\u6a19\uff1a65K\u4e0a\u6607\u4e88\u7b97\u306b\u5fdc\u3058\u3066\u30a2\u30e9\u30fc\u30e0\u3068\u30c8\u30ea\u30c3\u30d7\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002.<\/li>\n<li>\u30aa\u30a4\u30eb\u30ec\u30d9\u30eb\u30b2\u30fc\u30b8\uff1a\u4f4e\u30ec\u30d9\u30eb\u306f\u5dfb\u7dda\u3092\u958b\u304b\u305b\u307e\u3059\uff1b\u56db\u534a\u671f\u3054\u3068\u306e\u70b9\u691c\u4e2d\u306b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li>\u30b7\u30ea\u30ab\u30b2\u30eb\u30d6\u30ea\u30fc\u30b6\u30fc\uff1a\u30b3\u30f3\u30b6\u30fc\u30d0\u30fc\u306b\u5165\u308b\u7a7a\u6c17\u3092\u8131\u6e7f\u3057\u307e\u3059\uff1b\u3059\u3067\u306b\u30d4\u30f3\u30af\u306e\u5834\u5408\u306f\u30b7\u30ea\u30ab\u30b2\u30eb\u3092\u4ea4\u63db\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li>\u30aa\u30a4\u30eb\u542b\u6709\uff1aIEC 61936-1\u304a\u3088\u3073\u5730\u57df\u306e\u898f\u5236\u306b\u5f93\u3063\u3066\u3001\u30aa\u30a4\u30eb\u306e\u5168\u4f53\u7a4d\u3092\u53ce\u5bb9\u3067\u304d\u308b\u30d0\u30f3\u30c9\u307e\u305f\u306f\u30d4\u30c3\u30c8\u306e\u30b5\u30a4\u30ba\u3002.<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u30a2\u30a4\u30c6\u30e0\u306e\u3044\u305a\u308c\u3082\u30c7\u30d0\u30a4\u30b9\u306b\u6bd4\u3079\u3066\u9ad8\u984d\u3067\u306f\u306a\u304f\u3001\u5408\u308f\u305b\u3066\u30aa\u30a4\u30eb\u6d78\u6f2c\u30c8\u30e9\u30f3\u30b9\u3092\u706b\u707d\u306e\u8105\u5a01\u304b\u3089\u7ba1\u7406\u3055\u308c\u305f\u8cc7\u7523\u306b\u5909\u3048\u307e\u3059\u3002\u5168\u4fdd\u8b77\u30bb\u30c3\u30c8\u306e\u305f\u3081\u306b\u30e6\u30cb\u30c3\u30c8\u4fa1\u683c\u306e1\u20133%\u3092\u4e88\u7b97\u306b\u5165\u308c\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10615\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/The-Selection-Method-in-Six-Steps.webp\" alt=\"\u516d\u3064\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u3088\u308b\u9078\u5b9a\u65b9\u6cd5\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2 id=\"method\">\u516d\u3064\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u3088\u308b\u9078\u5b9a\u65b9\u6cd5<\/h2>\n<ul>\n<li>\u8ca0\u8377\u8abf\u67fb\uff1a\u6700\u5927kW\u3001\u529b\u7387\u3001\u8ca0\u8377\u7387\u3001\u6210\u9577\u8a08\u753b \u2192 \u6f5c\u5728\u7684kVA\u3002.<\/li>\n<li>\u96fb\u5727\u8abf\u6574\uff1a\u4f9b\u7d66\u96fb\u5727\u3001\u30d0\u30b9\u96fb\u5727\u3001\u63a5\u5730\u3001\u76f8\u4e92\u63a5\u7d9a\u8981\u4ef6 \u2192 \u6bd4\u7387\u3068\u4f4d\u76f8\u30b0\u30eb\u30fc\u30d7\u3002.<\/li>\n<li>\u969c\u5bb3\u8abf\u67fb\uff1a\u77ed\u7d61\u5bb9\u91cf\u3001\u30b9\u30a4\u30c3\u30c1\u30ae\u30a2\u5b9a\u683c \u2192 \u7121\u529b\u3002.<\/li>\n<li>\u96fb\u5727\u54c1\u8cea\u6c7a\u5b9a\uff1a\u4f9b\u7d66\u306e\u5b89\u5b9a\u6027\u3068\u8ca0\u8377\u306e\u5909\u52d5\u6027 \u2192 \u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u306e\u7a2e\u985e\u3068\u7bc4\u56f2\u3002.<\/li>\n<li>\u640d\u5931\u306e\u30b3\u30b9\u30c8\u8a08\u7b97\uff1a\u6599\u91d1\u3068\u8ca0\u8377\u7387 \u2192 \u640d\u5931\u306e\u7a2e\u985e\uff08S11\u3001S13\u3001\u30a2\u30e2\u30eb\u30d5\u30a1\u30b9\u3001\u307e\u305f\u306f\u898f\u5236\u3055\u308c\u305f\u30cf\u30eb\u30de\u30fc\u30af\u640d\u5931\uff09\u3002.<\/li>\n<li>\u8a2d\u5099\u304a\u3088\u3073\u51b7\u5374\u30b7\u30b9\u30c6\u30e0\uff1a\u904e\u8ca0\u8377\u8a08\u753b\u3001\u5b89\u5168\u6027\u3001\u5c01\u3058\u8fbc\u3081\u6226\u7565 \u2192 \u6700\u7d42\u69cb\u6210\u3002.<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u3059\u3079\u3066\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u9806\u756a\u306b\u5b9f\u884c\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u4ed5\u69d8\u66f8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u4e3b\u306a\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8 - \u5b9f\u969b\u306b\u30b9\u30c6\u30c3\u30d71-4\u3092\u9069\u7528\u3059\u308b\u524d\u306b\u4fa1\u683c\u3092\u5c0b\u306d\u308b\u3053\u3068 - \u306f\u3001\u591a\u304f\u306e\u4e0d\u5e78\u306a\u8cfc\u5165\u306e\u7406\u7531\u3067\u3042\u308a\u3001\u6700\u521d\u306b\u624b\u7d19\u306b\u5fdc\u7b54\u3059\u308b\u4eba\u3005\u306b\u3059\u3079\u3066\u306e\u529b\u3092\u4e0e\u3048\u307e\u3059\u3002.<\/p>\n<h2 id=\"brands\">\u30d6\u30e9\u30f3\u30c9\u3068\u4fa1\u683c\u30ac\u30a4\u30c0\u30f3\u30b9<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u30d6\u30e9\u30f3\u30c9<\/th>\n<th>\u8d77\u6e90<\/th>\n<th>1,000 kVA<\/th>\n<th>2,500 kVA<\/th>\n<th>10 MVA<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u65e5\u7acb\u30a8\u30ca\u30b8\u30fc<\/td>\n<td>\u65e5\u672c\/\u30b0\u30ed\u30fc\u30d0\u30eb<\/td>\n<td>$22,000\u2013$34,000<\/td>\n<td>$38,000\u2013$55,000<\/td>\n<td>$55,000\u2013$82,000<\/td>\n<\/tr>\n<tr>\n<td>ABB<\/td>\n<td>\u30b9\u30a4\u30b9\/\u30b0\u30ed\u30fc\u30d0\u30eb<\/td>\n<td>$20,000\u2013$31,000<\/td>\n<td>$35,000\u2013$52,000<\/td>\n<td>$52,000\u2013$78,000<\/td>\n<\/tr>\n<tr>\n<td>\u30b7\u30fc\u30e1\u30f3\u30b9\u30a8\u30ca\u30b8\u30fc<\/td>\n<td>\u30c9\u30a4\u30c4\/\u30b0\u30ed\u30fc\u30d0\u30eb<\/td>\n<td>$21,000\u2013$32,000<\/td>\n<td>$36,000\u2013$53,000<\/td>\n<td>$50,000\u2013$75,000<\/td>\n<\/tr>\n<tr>\n<td>\u30b7\u30e5\u30ca\u30a4\u30c0\u30fc\u30a8\u30ec\u30af\u30c8\u30ea\u30c3\u30af<\/td>\n<td>\u30d5\u30e9\u30f3\u30b9\/\u30b0\u30ed\u30fc\u30d0\u30eb<\/td>\n<td>$19,000\u2013$29,000<\/td>\n<td>$33,000\u2013$48,000<\/td>\n<td>$48,000\u2013$72,000<\/td>\n<\/tr>\n<tr>\n<td>\u6c5f\u8607\u7701\u8607\u8fba\u96fb\u529b<\/td>\n<td>\u4e2d\u56fd<\/td>\n<td>$14,000\u2013$22,000<\/td>\n<td>$22,000\u2013$34,000<\/td>\n<td>$28,000\u2013$48,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u30b0\u30ed\u30fc\u30d0\u30eb\u4f01\u696d\u306f\u3001\u5c02\u9580\u7684\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3001\u73fe\u5834\u8a66\u9a13\u306e\u7d4c\u9a13\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u30b5\u30fc\u30d3\u30b9\u80fd\u529b\u3092\u63d0\u4f9b\u3057\u3001\u4e00\u65b9\u3067\u30aa\u30d5\u30b7\u30e7\u30a2\u751f\u7523\u8005\u306f\u975e\u5e38\u306b\u7af6\u4e89\u529b\u306e\u3042\u308b\u6599\u91d1\u3067IEC\u6e96\u62e0\u306e\u88fd\u54c1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30ea\u30b9\u30af\u3092\u8a55\u4fa1\u3057\u305f\u5f8c\u3001\u91cd\u8981\u306a\u30a2\u30a4\u30c6\u30e0\u306e\u8cbb\u7528\u306e\u7dad\u6301\u306f\u4fe1\u983c\u3067\u304d\u308b\u3082\u306e\u3067\u3042\u308a\u3001\u5927\u91cf\u751f\u7523\u306e\u30b3\u30b9\u30c8\u524a\u6e1b\u306e\u4ee3\u66ff\u6848\u306f\u901a\u5e38\u5b9f\u73fe\u53ef\u80fd\u3067\u3059\u3002.<\/p>\n<p>\u6c5f\u8607\u7701\u8607\u8fba\u96fb\u6c17\u6709\u9650\u516c\u53f8\u306f\u3001IEC 60076\u898f\u683c\u306b\u6e96\u62e0\u3057\u305f35\u301c110 kV\u306e\u96fb\u5727\u5b9a\u683c\u3092\u6301\u3064\u914d\u96fb\u5909\u5727\u5668\u304a\u3088\u3073\u96fb\u529b\u5909\u5727\u5668\u3092\u88fd\u9020\u3059\u308b\u4e2d\u56fd\u306e\u30aa\u30a4\u30eb\u30dd\u30f3\u30d7\u30e1\u30fc\u30ab\u30fc\u3067\u3059\u3002\u5404\u30e6\u30cb\u30c3\u30c8\u306e\u6280\u8853\u5831\u544a\u66f8\u3001GB 20052\u898f\u683c\u3078\u306e\u9069\u5408\u3001\u304a\u3088\u3073\u7121\u8ca0\u8377\u96fb\u5727\u8abf\u6574\u80fd\u529b\u306f\u3001\u540c\u793e\u304c\u5f97\u305f\u7d4c\u9a13\u306e\u4e00\u90e8\u3067\u3059\u3002\u88fd\u54c1\u306e\u8a73\u7d30\u3068\u8a3c\u660e\u66f8\u306f\u4ee5\u4e0b\u306b\u3042\u308a\u307e\u3059\u3002 <a href=\"https:\/\/subian-electric.com\/ja\/\">subian-electric.com<\/a>.<\/p>\n<h2 id=\"faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3>\u5fc5\u8981\u306akVA\u3092\u3069\u306e\u3088\u3046\u306b\u8a08\u7b97\u3057\u307e\u3059\u304b\uff1f<\/h3>\n<p>kVA = \u6700\u5927kW \/ \u529b\u7387\u3001\u30d7\u30e9\u30b915\u301c25\u30d1\u30fc\u30bb\u30f3\u30c8\u306e\u6210\u9577\u30de\u30fc\u30b8\u30f3\u3092\u6a19\u6e96\u5b9a\u683c\u306b\u4e38\u3081\u307e\u3059\u3002\u4f8b\u3048\u3070\u300190\u30d1\u30fc\u30bb\u30f3\u30c8\u306e\u529b\u7387\u30671.8 MW\u306f2,000 kVA\u306b\u76f8\u5f53\u3057\u300125\u30d1\u30fc\u30bb\u30f3\u30c8\u306e\u6210\u9577\u30de\u30fc\u30b8\u30f3\u3092\u52a0\u3048\u308b\u30682,500 kVA\u306b\u306a\u308a\u307e\u3059\u3002\u53ef\u80fd\u306a\u9650\u308a\u3001\u6e2c\u5b9a\u3055\u308c\u305f\u30d4\u30fc\u30af\u30c7\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u65b0\u3057\u3044\u30b5\u30a4\u30c8\u306e\u5834\u5408\u306f\u3001\u63a5\u7d9a\u8ca0\u8377\u3092\u5408\u8a08\u3057\u3001\u65bd\u8a2d\u306e\u7a2e\u985e\u306b\u5fdc\u3058\u30660.3\u304b\u30890.8\u306e\u7bc4\u56f2\u306e\u591a\u69d8\u6027\u4fc2\u6570\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002.<\/p>\n<h3>\u3069\u306e\u96fb\u5727\u6bd4\u3092\u9078\u629e\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u4f4e\u96fb\u5727\u5074\u306e\u30d0\u30b9\u306e\u52d5\u4f5c\u96fb\u5727\u304c\u3001\u9ad8\u96fb\u5727\u5074\u306e\u96fb\u529b\u4f1a\u793e\u306e\u96fb\u5727\uff08\u4f8b\uff1a33\/11 kV\u300135\/10.5 kV\u300122\/11 kV\u300111\/0.4 kV\uff09\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6ce8\u6587\u3092\u51fa\u3059\u524d\u306b\u3001\u96fb\u529b\u4f1a\u793e\u304b\u3089\u52d5\u4f5c\u96fb\u5727\u306e\u78ba\u8a8d\u3092\u6587\u66f8\u3067\u53d6\u5f97\u3057\u3066\u304f\u3060\u3055\u3044\u300233 kV\u96fb\u5727\u30b7\u30b9\u30c6\u30e0\u304b\u308935 kV\u96fb\u5727\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u5909\u66f4\u306f\u7c21\u5358\u306a\u4f5c\u696d\u3067\u306f\u306a\u304f\u3001\u518d\u8a2d\u8a08\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n<h3>\u8ca0\u8377\u5207\u66ff\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u306f\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u96fb\u5727\u304c\u672c\u5f53\u306b\u5909\u52d5\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306e\u307f\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u96fb\u529b\u4f1a\u793e\u304c\u00b12.5\u30d1\u30fc\u30bb\u30f3\u30c8\u4ee5\u5185\u3067\u5b89\u5b9a\u3057\u3066\u304a\u308a\u3001\u8ca0\u8377\u304c\u4e00\u5b9a\u3067\u3042\u308c\u3070\u3001\u00b12.5\u30d1\u30fc\u30bb\u30f3\u30c8\u306e\u30aa\u30d5\u30b5\u30fc\u30ad\u30c3\u30c8\u30bf\u30c3\u30d7\u3067\u5341\u5206\u3067\u3059\u3002\u4e00\u65b9\u3001\u30b0\u30ea\u30c3\u30c9\u304c\u5f31\u3044\u5834\u5408\u3001\u8ca0\u8377\u306e\u5909\u52d5\u304c\u5927\u304d\u3044\u5834\u5408\u3001\u307e\u305f\u306f\u30d7\u30ed\u30bb\u30b9\u304c\u4f4e\u96fb\u5727\u306b\u654f\u611f\u306a\u5834\u5408\u3001OLTC\u306e\u8ffd\u52a0\u30b3\u30b9\u30c815\u301c30\u30d1\u30fc\u30bb\u30f3\u30c8\u306f\u3001\u5358\u4e00\u306e\u751f\u7523\u640d\u5931\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u3067\u56de\u53ce\u3055\u308c\u307e\u3059\u3002.<\/p>\n<h3>\u9069\u5207\u306a\u5909\u5727\u5668\u306e\u30b3\u30b9\u30c8\u306f\u3044\u304f\u3089\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u4e00\u822c\u7684\u306b\u3001\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u304b\u3089\u306e\u898b\u7a4d\u3082\u308a\u306b\u3088\u308c\u3070\u3001500 kVA\u5909\u5727\u5668\u306fFOB $6,000\u304b\u3089$16,000\u30011,000 kVA\u5909\u5727\u5668\u306f$14,000\u304b\u3089$34,000\u30012,500 kVA\u5909\u5727\u5668\u306f$22,000\u304b\u3089$55,000\u3001\u6700\u5f8c\u306b10 MVA\u306f$28,000\u304b\u3089$82,000\u3067\u3001\u5909\u5727\u5668\u306e\u7a2e\u985e\u3001\u30e1\u30fc\u30ab\u30fc\u3001\u30b5\u30a4\u30ba\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u8f38\u9001\u3001\u8a2d\u7f6e\u3001\u571f\u6728\u5de5\u4e8b\u306e\u6599\u91d1\u306f\u3001\u5730\u57df\u306b\u3088\u3063\u306615\u304b\u308940%\u306e\u7bc4\u56f2\u3067\u3059\u3002.<\/p>\n<h3>Dyn11\u3068YNd11\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u4e2d\u6027\u3092\u6301\u3064\u5358\u76f8\u304a\u3088\u3073\u4e09\u76f8\u8ca0\u8377\u3092\u63d0\u4f9b\u3059\u308b\u914d\u96fb\u30e6\u30cb\u30c3\u30c8\u306e\u6a19\u6e96\u7684\u306a\u7d44\u307f\u5408\u308f\u305b\u306fDyn11\u3067\u3059\u300235\/10.5 kV\u306e\u96fb\u529b\u5909\u5727\u5668\u306b\u306f\u3001YNd11\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u9069\u7528\u3055\u308c\u3001\u9ad8\u96fb\u5727\u5074\u306f\u5909\u5727\u5668\u306e\u4e2d\u6027\u3092\u4ecb\u3057\u3066\u63a5\u5730\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u63a5\u7d9a\u30bf\u30a4\u30d7\u306e\u9078\u629e\u306f\u3001\u63a5\u5730\u914d\u7f6e\u304a\u3088\u3073\u4e26\u5217\u904b\u8ee2\u306e\u8981\u4ef6\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002.<\/p>\n<h2 id=\"references\">\u53c2\u8003\u6587\u732e<\/h2>\n<ul>\n<li><a href=\"https:\/\/webstore.iec.ch\/publication\/637\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60076-1: \u96fb\u529b\u5909\u5727\u5668 \u2013 \u4e00\u822c<\/a> \u2014 \u3053\u306e\u30ac\u30a4\u30c9\u306e\u9078\u629e\u6c7a\u5b9a\u306b\u304a\u3051\u308b\u5b9a\u683c\u3001\u30bf\u30c3\u30d7\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u8a31\u5bb9\u5dee\u3001\u304a\u3088\u3073\u6e29\u5ea6\u4e0a\u6607\u30eb\u30fc\u30eb\u3002.<\/li>\n<li><a href=\"https:\/\/webstore.iec.ch\/publication\/643\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60076-5: \u77ed\u7d61\u306b\u8010\u3048\u308b\u80fd\u529b<\/a> \u2014 \u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u9078\u629e\u306e\u305f\u3081\u306e\u77ed\u7d61\u8abf\u6574\u57fa\u6e96\u3002.<\/li>\n<li><a href=\"https:\/\/webstore.iec.ch\/publication\/640\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60076-3: \u7d76\u7e01\u30ec\u30d9\u30eb\u3068\u8a98\u96fb\u4f53\u8a66\u9a13<\/a> \u2014 \u898f\u683c\u3067\u53c2\u7167\u3055\u308c\u308b\u96fb\u5727\u30af\u30e9\u30b9\u3054\u3068\u306e\u30a4\u30f3\u30d1\u30eb\u30b9\u30ec\u30d9\u30eb\u3002.<\/li>\n<li><a href=\"https:\/\/eur-lex.europa.eu\/eli\/reg_del\/2014\/548\/oj\" rel=\"nofollow noopener\" target=\"_blank\">EU\u30a8\u30b3\u30c7\u30b6\u30a4\u30f3\u898f\u5247548\/2014\uff082019\/1783\u6539\u6b63\uff09<\/a> \u2014 \u6b27\u5dde\u306e\u30d0\u30a4\u30e4\u30fc\u5411\u3051\u306e\u640d\u5931\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3002.<\/li>\n<li><a href=\"https:\/\/www.energy.gov\/eere\/amo\/energy-efficiency-doe\" rel=\"nofollow noopener\" target=\"_blank\">\u7c73\u56fdDOE\u914d\u96fb\u5909\u5727\u5668\u52b9\u7387\u57fa\u6e96<\/a> \u2014 \u7c73\u56fd\u306e\u30d0\u30a4\u30e4\u30fc\u5411\u3051\u306e\u6700\u4f4e\u52b9\u7387\u57fa\u6e96\u3002.<\/li>\n<li><a href=\"https:\/\/standards.ieee.org\/ieee\/c57.12.00\/5935\/\" rel=\"nofollow noopener\" target=\"_blank\">IEEE C57.12.00: \u6db2\u6d78\u578b\u914d\u96fb\u304a\u3088\u3073\u96fb\u529b\u5909\u5727\u5668<\/a> \u2014 \u9078\u629e\u6bd4\u8f03\u306e\u305f\u3081\u306e\u5317\u7c73\u8981\u4ef6\u306e\u5bfe\u5fdc\u3002.<\/li>\n<li><a href=\"https:\/\/subian-electric.com\/ja\/\" rel=\"nofollow\">\u6c5f\u8607\u7701\u8607\u8fba\u96fb\u529b\u516c\u5f0f\u30b5\u30a4\u30c8<\/a> \u2014 \u6cb9\u6d78\u578b\u5909\u5727\u5668\u306e\u7bc4\u56f2\u3001\u52b9\u7387\u30b0\u30ec\u30fc\u30c9\u3001\u304a\u3088\u3073\u8a8d\u8a3c\u6587\u66f8\u3002.<\/li>\n<\/ul>\n<h2 id=\"conclusion\">\u7d50\u8ad6<\/h2>\n<p>\u6cb9\u6d78\u578b\u5909\u5727\u5668\u306f\u3001\u30b3\u30b9\u30c8\u306e\u89b3\u70b9\u304b\u3089\u5358\u4e00\u306e\u5165\u529b\u3067\u306f\u306a\u304f\u30018\u3064\u306e\u7570\u306a\u308b\u5165\u529b\u8981\u4ef6\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002\u9069\u5207\u306b\u30b5\u30a4\u30ba\u3092\u5408\u308f\u305b\u3001\u4ed6\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u30de\u30c3\u30c1\u3055\u305b\u3001\u6b63\u3057\u304f\u6307\u5b9a\u3059\u308c\u3070\u3001\u3042\u306a\u305f\u306e\u5909\u5727\u5668\u306f\u7d0425\u5e74\u9593\u9759\u304b\u306a\u8cc7\u7523\u3068\u306a\u308a\u7d9a\u3051\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b9\u30c6\u30c3\u30d7\u304c\u7121\u8996\u3055\u308c\u3001\u30d7\u30ed\u30bb\u30b9\u306b\u6025\u304e\u304c\u898b\u3089\u308c\u308b\u3068\u3001\u5909\u5727\u5668\u306f\u5e38\u306b\u982d\u75db\u306e\u7a2e\u3068\u306a\u308a\u307e\u3059\u3002\u6cb9\u6d78\u578b\u5909\u5727\u5668\u3092\u6307\u5b9a\u3059\u308b\u969b\u306b\u8003\u616e\u3059\u3079\u304d\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<ul>\n<li>\u9069\u5207\u306a\u8ca0\u8377\u8abf\u67fb\u304b\u3089\u59cb\u3081\u300115-25%\u306e\u30de\u30fc\u30b8\u30f3\u3092\u6b8b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5909\u5727\u5668kVA\u30b5\u30a4\u30ba\u8a08\u7b97\u6a5f\u306f\u3001\u5fc5\u8981\u306a\u5909\u5727\u5668kVA\u3092\u898b\u3064\u3051\u308b\u305f\u3081\u306e\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u904e\u304e\u307e\u305b\u3093\u3002.<\/li>\n<li>\u63d0\u6848\u3092\u4f9d\u983c\u3059\u308b\u524d\u306b\u3001\u5909\u5727\u5668\u306e\u6bd4\u7387\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3001\u304a\u3088\u3073\u30d9\u30af\u30c8\u30eb\u30b0\u30eb\u30fc\u30d7\u306e\u7279\u6027\u3092\u628a\u63e1\u3057\u3066\u304a\u304f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li>\u5909\u52d5\u3059\u308b\u96fb\u5727\u30ec\u30d9\u30eb\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u306e\u307fOLTC\u3092\u8cfc\u5165\u3059\u3079\u304d\u3067\u3059\u3002OLTC\u306f\u5909\u5727\u5668\u306e\u30b3\u30b9\u30c8\u309215-30%\u5897\u52a0\u3055\u305b\u307e\u3059\u3002.<\/li>\n<li>\u5909\u5727\u5668\u306e\u96fb\u529b\u640d\u5931\u306b\u5bfe\u3059\u308b\u5b9f\u969b\u306e\u30b3\u30b9\u30c8\u3092\u8a08\u7b97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u901a\u5e38\u3001\u4f4e\u640d\u5931\u306e\u5909\u5727\u5668\u306f\u5e74\u3005\u56de\u53ce\u3055\u308c\u307e\u3059\u3002.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Looking at the utility bill and production reliability record, facilities engineer is trapped in a situation where a plant runs round-the-clock operations, drawing an energy peak of 1.8 MW and suffering from three production losses (due to under-voltage trips) during this fiscal year so far. A utility company proposes a dedicated supply of a 33 kV network which will require a transformer installation at the entry. One of the sales representatives has claimed that a 2,000 kVA transformer should be suitable for the plant\u2019s needs. The engineer is aware that &#8220;should&#8221; does not mean to size a transformer correctly and wrong kVA consumption would lead to long-term expenses and a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":10614,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[77],"tags":[],"class_list":["post-10613","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/posts\/10613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/comments?post=10613"}],"version-history":[{"count":2,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/posts\/10613\/revisions"}],"predecessor-version":[{"id":11100,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/posts\/10613\/revisions\/11100"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/media\/10614"}],"wp:attachment":[{"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/media?parent=10613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/categories?post=10613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/tags?post=10613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}