{"id":11783,"date":"2026-10-23T22:34:05","date_gmt":"2026-10-23T14:34:05","guid":{"rendered":"https:\/\/subian-electric.com\/?p=11783"},"modified":"2026-10-23T22:38:14","modified_gmt":"2026-10-23T14:38:14","slug":"standard-transformer-sizes","status":"publish","type":"post","link":"https:\/\/subian-electric.com\/ja\/blog\/standard-transformer-sizes\/","title":{"rendered":"\u6a19\u6e96\u30c8\u30e9\u30f3\u30b9\u30b5\u30a4\u30ba"},"content":{"rendered":"<p>\u3042\u306a\u305f\u304c\u8a08\u7b97\u3057\u305f\u30b5\u30a4\u30ba\u306b\u5bfe\u5fdc\u3059\u308b\u30c8\u30e9\u30f3\u30b9\u3092\u8cfc\u5165\u3059\u308b\u3053\u3068\u306f\u4e0d\u53ef\u80fd\u3067\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u30c8\u30e9\u30f3\u30b9\u306f\u696d\u754c\u6a19\u6e96\u306b\u57fa\u3065\u3044\u3066\u7279\u5b9a\u306ekVA\u30ab\u30c6\u30b4\u30ea\u3067\u88fd\u9020\u3055\u308c\u308b\u304b\u3089\u3067\u3059\u3002\u3042\u306a\u305f\u306e\u30cb\u30fc\u30ba\u306b\u5fdc\u3058\u3066\u3001\u65e2\u5b58\u306e\u30ab\u30c6\u30b4\u30ea\u306e\u4e2d\u304b\u3089\u9078\u629e\u3059\u308b\u306e\u306f\u3042\u306a\u305f\u6b21\u7b2c\u3067\u3059\u3002\u30b5\u30a4\u30ba\u306e\u8aa4\u3063\u305f\u6c7a\u5b9a\u3092\u4e0b\u3059\u3068\u3001\u4f7f\u7528\u3055\u308c\u306a\u3044\u96fb\u529b\u306b\u5bfe\u3057\u3066\u304a\u91d1\u3092\u652f\u6255\u3046\u3053\u3068\u306b\u306a\u3063\u305f\u308a\u3001\u30c8\u30e9\u30f3\u30b9\u304c\u904e\u8ca0\u8377\u6761\u4ef6\u3067\u52d5\u4f5c\u3057\u3001\u8a08\u7b97\u3055\u308c\u305f\u3088\u308a\u3082\u65e9\u304f\u6545\u969c\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<blockquote><p>\u5358\u76f8\u304a\u3088\u3073\u4e09\u76f8\u306e\u4e7e\u5f0f\u914d\u96fb\u30c8\u30e9\u30f3\u30b9\u306e\u5b9a\u683c\u30b7\u30b9\u30c6\u30e0\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u5358\u76f8\u306e\u5b9a\u683c\u306b\u306f\u30011\u30011.5\u30012\u30013\u30015\u30017.5\u300110\u300115\u300125\u300137.5\u300150\u300175\u3001100\u3001167\u3001250\u3001333\u3001500 kVA\u304c\u542b\u307e\u308c\u3001\u4e09\u76f8\u6a5f\u5668\u306e\u5b9a\u683c\u306f\u300115\u300130\u300145\u300175\u3001112.5\u3001150\u3001225\u3001300\u3001500\u3001750\u30011000\u30011500\u30012000\u30012500 kVA\u3067\u3059\u3002\u3053\u308c\u306fANSI\/IEEE C57.12.01\u304a\u3088\u3073NEMA ST-20\u306b\u5f93\u3063\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001150 kVA\u306e\u4e09\u76f8\u30c8\u30e9\u30f3\u30b9\u306f\u3001480 V\u304a\u3088\u3073208Y\/120 V\u306e\u96fb\u5727\u3067\u305d\u308c\u305e\u308c180 A\u304a\u3088\u3073416 A\u3092\u4f9b\u7d66\u3067\u304d\u307e\u3059\u3002\u30c8\u30e9\u30f3\u30b9\u306e\u96fb\u5727\u5b9a\u683c\u306f\u3001\u8ca0\u8377\u7387\u3092\u6c7a\u5b9a\u3059\u308b\u969b\u306b\u5b9a\u683c\u96fb\u5727\u306e\u7d0475-80%\u3067\u8a08\u7b97\u3055\u308c\u3001\u6700\u3082\u8fd1\u3044\u6a19\u6e96\u30ef\u30c3\u30c8\u6570\u306b\u5207\u308a\u4e0a\u3052\u3089\u308c\u307e\u3059\u3002.<\/p><\/blockquote>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11784\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/10\/Standard-Transformer-Sizes.webp\" alt=\"\u6a19\u6e96\u30c8\u30e9\u30f3\u30b9\u30b5\u30a4\u30ba\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>\u6a19\u6e96\u30b5\u30a4\u30ba\u304c\u5b58\u5728\u3059\u308b\u7406\u7531<\/h2>\n<p>\u30e9\u30c0\u30fc\u306f\u88fd\u9020\u4e0a\u306e\u6c7a\u5b9a\u3067\u3042\u308a\u3001\u696d\u754c\u6a19\u6e96\u306b\u5909\u308f\u308a\u307e\u3057\u305f\u3002\u71b1\u4ea4\u63db\u5668\u3001\u30c8\u30e9\u30f3\u30b9\u3001\u30d5\u30a3\u30c3\u30c6\u30a3\u30f3\u30b0\u306a\u3069\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u3001\u8a2d\u5b9a\u3055\u308c\u305f\u30d5\u30ec\u30fc\u30e0\u306b\u5f93\u3063\u3066\u88fd\u9020\u3055\u308c\u308b\u305f\u3081\u3001\u6a19\u6e96\u5b9a\u683c\u306f\u5728\u5eab\u54c1\u3068\u3057\u3066\u7c21\u5358\u306b\u5165\u624b\u53ef\u80fd\u3067\u3059\u304c\u3001\u305d\u308c\u4ee5\u5916\u306e\u3082\u306e\u306f\u30ab\u30b9\u30bf\u30e0\u4f5c\u696d\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n<p>\u3053\u306e\u9055\u3044\u304c\u660e\u3089\u304b\u306b\u306a\u308b\u65b9\u6cd5\u306f3\u3064\u3042\u308a\u307e\u3059\u3002. <span style=\"color: #ff0000;\">\u307e\u305a\u3001\u30ea\u30fc\u30c9\u30bf\u30a4\u30e0\u3002.<\/span> \u6a19\u6e96\u306e112.5 kVA\u30c8\u30e9\u30f3\u30b9\u306f\u3001\u6570\u9031\u9593\u4ee5\u5185\u306b\u904b\u7528\u30e2\u30fc\u30c9\u3067\u51fa\u8377\u3055\u308c\u308b\u304b\u3001\u5728\u5eab\u304b\u3089\u51fa\u8377\u3055\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3001100 kVA\u306e\u4e09\u76f8\u30c8\u30e9\u30f3\u30b9\u306f\u30012\u3064\u306e\u6a19\u6e96\u30b5\u30a4\u30ba\u306e\u9593\u306b\u4f4d\u7f6e\u3057\u3001\u7279\u6ce8\u3068\u3057\u3066\u51fa\u8377\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002. <span style=\"color: #ff0000;\">\u4fa1\u683c\u3002.<\/span> \u30ab\u30b9\u30bf\u30e0\u30e6\u30cb\u30c3\u30c8\u306f\u6a19\u6e96\u30e6\u30cb\u30c3\u30c8\u3068\u540c\u3058\u4fa1\u683c\u3067\u3059\u304c\u3001\u8a2d\u8a08\u3068\u751f\u7523\u306b\u304b\u304b\u308b\u8ffd\u52a0\u30b3\u30b9\u30c8\u304c\u3042\u308a\u307e\u3059\u3002. <span style=\"color: #ff0000;\">\u4e88\u5099\u90e8\u54c1\u3002.<\/span> \u6a19\u6e96\u30b5\u30a4\u30ba\u306e\u307f\u3092\u4f7f\u7528\u3059\u308b\u30d7\u30e9\u30f3\u30c8\u306f\u3001\u8907\u6570\u306e\u8a2d\u7f6e\u306b\u5bfe\u5fdc\u3067\u304d\u308b1\u7a2e\u985e\u306e\u4e88\u5099\u90e8\u54c1\u3092\u4fdd\u6301\u3059\u308b\u3060\u3051\u3067\u6e08\u307f\u307e\u3059\u3002.<\/p>\n<p>\u30e9\u30c0\u30fc\u306f\u601d\u3063\u305f\u307b\u3069\u76f4\u611f\u7684\u3067\u306f\u306a\u304f\u3001\u305d\u306e\u305f\u3081\u4eba\u3005\u306f\u4f7f\u7528\u6642\u306b\u8aa4\u308a\u3092\u72af\u3057\u307e\u3059\u3002\u6a19\u6e96\u5024\u3092\u4f7f\u7528\u3057\u305f\u4e09\u76f8\u5b9a\u683c\u30b9\u30b1\u30fc\u30eb\u306f\u3001\u30e9\u30c0\u30fc\u306b\u898b\u3089\u308c\u308b\u3088\u3046\u306a\u6a19\u6e96\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u3053\u3067\u306e\u5024\u306f75 kVA\u304b\u3089112.5 kVA\u3001\u305d\u3057\u3066150 kVA\u306b\u9032\u307f\u307e\u3059\u3002\u5b9f\u969b\u3001112.5\u306f75 kVA\u306b1.5\u3092\u639b\u3051\u305f\u3082\u306e\u3067\u3001\u5546\u696d\u30b5\u30fc\u30d3\u30b9\u3067\u4f7f\u7528\u3055\u308c\u308b\u8ca0\u8377\u6210\u9577\u8ad6\u7406\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001100 kVA\u306e\u4e09\u76f8\u30c8\u30e9\u30f3\u30b9\u306e\u6a19\u6e96\u8a2d\u8a08\u3092\u5f97\u308b\u3053\u3068\u306f\u4e0d\u53ef\u80fd\u3067\u3059\u304c\u3001\u305d\u308c\u304c\u307b\u3068\u3093\u3069\u306e\u4eba\u304c\u8003\u3048\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002.<\/p>\n<h2>\u5358\u76f8\u30e9\u30c0\u30fc<\/h2>\n<table>\n<tbody>\n<tr>\n<th>kVA<\/th>\n<th>240 V\u3067\u306eFLA<\/th>\n<th>480 V\u3067\u306eFLA<\/th>\n<th>\u4e00\u822c\u7684\u306a\u4f7f\u7528<\/th>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>2 A<\/td>\n<td>1 A<\/td>\n<td>\u5236\u5fa1\u56de\u8def\u3001\u4fe1\u53f7\u96fb\u529b<\/td>\n<\/tr>\n<tr>\n<td>1.5<\/td>\n<td>3 A<\/td>\n<td>1 A<\/td>\n<td>\u5236\u5fa1\u30c8\u30e9\u30f3\u30b9\u3001\u30c9\u30a2\u30d9\u30eb<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>5 A<\/td>\n<td>3 A<\/td>\n<td>\u6a5f\u68b0\u5236\u5fa1\u3001\u5c0f\u578b\u7167\u660e<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>8 A<\/td>\n<td>4 A<\/td>\n<td>\u5c0f\u578bHVAC\u3001\u5358\u4e00\u51fa\u529b\u30d1\u30cd\u30eb<\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td>7 A<\/td>\n<td>8 A<\/td>\n<td>\u4f4f\u5b85\u30b5\u30fc\u30d3\u30b9\u3001\u5c0f\u578b\u30b7\u30e7\u30c3\u30d7<\/td>\n<\/tr>\n<tr>\n<td>15<\/td>\n<td>5 A<\/td>\n<td>3 A<\/td>\n<td>\u5c0f\u898f\u6a21\u5546\u696d\u3001\u30dd\u30fc\u30eb\u30de\u30a6\u30f3\u30c8<\/td>\n<\/tr>\n<tr>\n<td>25<\/td>\n<td>2 A<\/td>\n<td>1 A<\/td>\n<td>\u8907\u6570\u4e16\u5e2f\u3001\u5c0f\u898f\u6a21\u5efa\u7269<\/td>\n<\/tr>\n<tr>\n<td>37.5<\/td>\n<td>3 A<\/td>\n<td>1 A<\/td>\n<td>\u5c0f\u58f2\u30e6\u30cb\u30c3\u30c8\u3001\u4e95\u6238\u30dd\u30f3\u30d7<\/td>\n<\/tr>\n<tr>\n<td>50<\/td>\n<td>3 A<\/td>\n<td>2 A<\/td>\n<td>\u4e2d\u898f\u6a21\u5546\u696d<\/td>\n<\/tr>\n<tr>\n<td>75<\/td>\n<td>5 A<\/td>\n<td>3 A<\/td>\n<td>\u5927\u898f\u6a21\u5546\u696d\u3001\u5c0f\u898f\u6a21\u5de5\u5834<\/td>\n<\/tr>\n<tr>\n<td>100<\/td>\n<td>7 A<\/td>\n<td>3 A<\/td>\n<td>\u5de5\u696d\u7528\u30b5\u30d6\u30d1\u30cd\u30eb<\/td>\n<\/tr>\n<tr>\n<td>167<\/td>\n<td>8 A<\/td>\n<td>9 A<\/td>\n<td>\u30d1\u30c3\u30c9\u30de\u30a6\u30f3\u30c8\u914d\u96fb<\/td>\n<\/tr>\n<tr>\n<td>250<\/td>\n<td>1,041.7 A<\/td>\n<td>8 A<\/td>\n<td>\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u914d\u96fb\u30d5\u30a3\u30fc\u30c0\u30fc<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5358\u76f8\u30d5\u30eb\u30ed\u30fc\u30c9\u30a2\u30f3\u30da\u30a2\u306f\u5358\u7d14\u306b kVA \u00d7 1,000 \u00f7 \u30dc\u30eb\u30c8\u3067\u3059\u3002\u58c1\u306e\u958b\u53e3\u90e8\u3092\u5207\u308b\u524d\u306b\u5404\u6bb5\u306b\u5bfe\u5fdc\u3059\u308b\u7269\u7406\u7684\u30b5\u30a4\u30ba\u3092\u78ba\u8a8d\u3059\u308b\u4fa1\u5024\u304c\u3042\u308a\u3001\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u3084\u30af\u30ed\u30fc\u30bc\u30c3\u30c8\u306b\u53ce\u307e\u308b\u5c0f\u3055\u3044\u5b9a\u683c\u306e\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u5bf8\u6cd5\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002 <a href=\"https:\/\/subian-electric.com\/ja\/blog\/112-5-kva-transformer-dimensions\/\">5 kVA \u30c8\u30e9\u30f3\u30b9\u306e\u5bf8\u6cd5<\/a> \u53c2\u7167\u30b1\u30fc\u30b9\u3068\u3057\u3066\u3002.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11785\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/10\/transformer-kva-and-full-load-amps.webp\" alt=\"\u30c8\u30e9\u30f3\u30b9\u306ekVA\u3068\u5b9a\u683c\u8ca0\u8377\u30a2\u30f3\u30da\u30a2\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>\u4e09\u76f8\u30e9\u30c0\u30fc<\/h2>\n<p>\u4e09\u76f8\u30b7\u30b9\u30c6\u30e0\u306e\u76f8\u30a2\u30f3\u30e1\u30fc\u30bf\u30fc\u8aad\u307f\u53d6\u308a\u306e\u5909\u63db\u306b\u306f\u3001\u221a3 \u3067\u5272\u308b\u3053\u3068\u3082\u542b\u307e\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u540c\u3058 kVA \u306e\u5834\u5408\u3001\u4e09\u76f8\u96fb\u6d41\u3082\u76f8\u3054\u3068\u306b\u4f4e\u304f\u306a\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u5317\u7c73\u3067\u4f7f\u7528\u3055\u308c\u308b\u6700\u3082\u4e00\u822c\u7684\u306a\u4e00\u6b21\u304a\u3088\u3073\u4e8c\u6b21\u96fb\u5727\u3092\u793a\u3057\u3066\u3044\u307e\u3059\uff1a480 V \u304a\u3088\u3073 208Y\/120 V\u3002.<\/p>\n<table>\n<tbody>\n<tr>\n<th>kVA<\/th>\n<th>480 V \u306b\u304a\u3051\u308b\u4e00\u6b21 FLA<\/th>\n<th>208 V \u306b\u304a\u3051\u308b\u4e8c\u6b21 FLA<\/th>\n<th>\u901a\u5e38\u4f9b\u7d66\u3055\u308c\u308b\u3082\u306e<\/th>\n<\/tr>\n<tr>\n<td>15<\/td>\n<td>0 A<\/td>\n<td>6 A<\/td>\n<td>\u5c0f\u578b HVAC\u30011 \u30c6\u30ca\u30f3\u30c8\u30d1\u30cd\u30eb<\/td>\n<\/tr>\n<tr>\n<td>30<\/td>\n<td>1 A<\/td>\n<td>2 A<\/td>\n<td>\u5c0f\u58f2\u30e6\u30cb\u30c3\u30c8\u3001\u30ec\u30b9\u30c8\u30e9\u30f3<\/td>\n<\/tr>\n<tr>\n<td>45<\/td>\n<td>1 A<\/td>\n<td>8 A<\/td>\n<td>\u5c0f\u578b\u30aa\u30d5\u30a3\u30b9\u3001\u4f5c\u696d\u5834<\/td>\n<\/tr>\n<tr>\n<td>75<\/td>\n<td>2 A<\/td>\n<td>0 A<\/td>\n<td>\u4e2d\u578b\u5546\u696d\u3001\u5b66\u6821\u68df<\/td>\n<\/tr>\n<tr>\n<td>112.5<\/td>\n<td>3 A<\/td>\n<td>0 A<\/td>\n<td>\u5009\u5eab\u3001\u5c0f\u578b\u88fd\u9020<\/td>\n<\/tr>\n<tr>\n<td>150<\/td>\n<td>4 A<\/td>\n<td>0 A<\/td>\n<td>\u4e2d\u578b\u5de5\u696d\u30d7\u30e9\u30f3\u30c8<\/td>\n<\/tr>\n<tr>\n<td>225<\/td>\n<td>6 A<\/td>\n<td>0 A<\/td>\n<td>\u75c5\u9662\u68df\u3001\u30ad\u30e3\u30f3\u30d1\u30b9\u30d3\u30eb<\/td>\n<\/tr>\n<tr>\n<td>300<\/td>\n<td>8 A<\/td>\n<td>0 A<\/td>\n<td>\u5927\u578b\u5546\u696d\u8907\u5408\u65bd\u8a2d<\/td>\n<\/tr>\n<tr>\n<td>500<\/td>\n<td>4 A<\/td>\n<td>1,388.0 A<\/td>\n<td>\u30c7\u30fc\u30bf\u30db\u30fc\u30eb\u3001\u5927\u578b\u88fd\u9020<\/td>\n<\/tr>\n<tr>\n<td>750<\/td>\n<td>1 A<\/td>\n<td>2,082.0 A<\/td>\n<td>\u5de5\u696d\u30ad\u30e3\u30f3\u30d1\u30b9<\/td>\n<\/tr>\n<tr>\n<td>1,000<\/td>\n<td>1,202.8 A<\/td>\n<td>\u2014<\/td>\n<td>\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u5909\u96fb\u6240\u3001\u4e2d\u96fb\u5727<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8868\u306b\u306f\u969b\u7acb\u3063\u305f\u4e8c\u3064\u306e\u5074\u9762\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u521d\u306e\u5074\u9762\u306f\u3001\u4e8c\u6b21\u96fb\u6d41\u304c\u4e00\u6b21\u96fb\u6d41\u306e\u7d04 2.31 \u500d\u3067\u3042\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306f 480\/208 \u306e\u96fb\u5727\u6bd4\u3092\u53cd\u6620\u3057\u3066\u304a\u308a\u3001\u8a08\u7b97\u306e\u4e00\u8cab\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u4e8c\u3064\u76ee\u306e\u61f8\u5ff5\u306f\u3001kVA \u5b9a\u683c\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u9054\u3059\u308b\u3068\u3001ANSI \u898f\u683c\u306b 400 kVA \u306e\u5024\u304c\u793a\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3067\u3059\u3002.<\/p>\n<p>\u30a2\u30f3\u30d7\u304b\u3089 kVA \u3078\u306e\u8ca0\u8377\u306e\u5909\u63db\u306f\u3001\u9006\u306e\u9806\u5e8f\u3067\u540c\u3058\u8a08\u7b97\u3092\u884c\u3046\u3053\u3068\u3067\u9054\u6210\u3055\u308c\u308b\u305f\u3081\u3001\u3053\u306e\u5909\u63db\u306b\u3064\u3044\u3066\u5b66\u3076\u6700\u826f\u306e\u65b9\u6cd5\u306f\u3001\u5b9f\u969b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4e00\u3064\u3092\u8abf\u3079\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u5b9f\u4f8b\u306f <a href=\"https:\/\/subian-electric.com\/ja\/blog\/45-kva-transformer-amps\/\">45 kVA \u30c8\u30e9\u30f3\u30b9\u306e\u30a2\u30f3\u30da\u30a2\u6570<\/a> \u5358\u76f8\u304a\u3088\u3073\u4e09\u76f8\u63a5\u7d9a\u306e\u4e21\u65b9\u306e\u6570\u5024\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002.<\/p>\n<h2>\u5fc5\u8981\u306a kVA \u3068\u6ce8\u6587\u3059\u308b kVA<\/h2>\n<p>\u4ee5\u4e0b\u306b\u793a\u3059\u9806\u5e8f\u3067\u56db\u3064\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u8e0f\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<ol>\n<li><span style=\"color: #ff0000;\">\u63a5\u7d9a\u8ca0\u8377\u3092 kVA \u3067\u3001kW \u3067\u306f\u306a\u304f\u53d6\u5f97\u3057\u307e\u3059\u3002.<\/span> kW \u3092\u529b\u7387\u3067\u5272\u308a\u307e\u3059\u3002\u529b\u7387 0.85 \u306e 120 kW \u306e\u8ca0\u8377\u306f 141 kVA \u306b\u76f8\u5f53\u3057\u3001120 \u306b\u57fa\u3065\u3044\u3066\u30b5\u30a4\u30ba\u8a2d\u5b9a\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b9\u306f\u6700\u521d\u304b\u3089\u904e\u8ca0\u8377\u306b\u306a\u308a\u307e\u3059\u3002.<\/li>\n<li><span style=\"color: #ff0000;\">\u9700\u8981\u4fc2\u6570\u3092\u9069\u7528\u3057\u307e\u3059\u3002.<\/span> NEC \u306e\u7b2c 220 \u6761\u306f\u3001\u3059\u3079\u3066\u304c\u540c\u6642\u306b\u52d5\u4f5c\u3059\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u305f\u3081\u3001\u4f4f\u5b85\u304a\u3088\u3073\u5546\u696d\u30b5\u30fc\u30d3\u30b9\u306e\u8a08\u7b97\u3092\u898f\u5236\u3057\u3066\u3044\u307e\u3059\u3002\u9700\u8981\u4fc2\u6570\u3092\u7121\u8996\u3059\u308b\u3068\u3001\u8ca0\u8377\u304c\u4e0d\u5fc5\u8981\u306b\u5897\u52a0\u3057\u307e\u3059\u3002.<\/li>\n<li><span style=\"color: #ff0000;\">\u30e2\u30fc\u30bf\u30fc\u306e\u59cb\u52d5\u3092\u8003\u616e\u306b\u5165\u308c\u307e\u3059\u3002.<\/span> \u30e2\u30fc\u30bf\u30fc\u8ca0\u8377\u306e\u5834\u5408\u3001NEC 430\u306b\u5f93\u3063\u3066\u3001\u6700\u5927\u30e2\u30fc\u30bf\u30fc\u306e\u30d5\u30eb\u30ed\u30fc\u30c9\u96fb\u6d41\u306b25%\u3092\u52a0\u7b97\u3057\u3066\u3001\u59cb\u52d5\u304a\u3088\u3073\u52a0\u901f\u306e\u4e21\u65b9\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<li><span style=\"color: #ff0000;\">\u3053\u306e\u9700\u8981\u306b\u5bfe\u3057\u306675%-80%\u306e\u8ca0\u8377\u3092\u76ee\u6307\u3057\u3001\u305d\u306e\u5f8c\u5207\u308a\u4e0a\u3052\u307e\u3059\u3002.<\/span> \u5b9a\u683c\u306e100%\u3067\u52d5\u4f5c\u3059\u308b\u30c8\u30e9\u30f3\u30b9\u306f\u3001\u6691\u3044\u65e5\u3084\u6765\u5e74\u306e\u8ca0\u8377\u5897\u52a0\u306b\u5bfe\u3057\u3066\u5b89\u5168\u30de\u30fc\u30b8\u30f3\u3092\u63d0\u4f9b\u305b\u305a\u300175%\u3067\u52d5\u4f5c\u3059\u308b\u3082\u306e\u3088\u308a\u3082\u5bff\u547d\u304c\u77ed\u304f\u306a\u308a\u307e\u3059\u300250%\u672a\u6e80\u3067\u52d5\u4f5c\u3059\u308b\u3068\u3001\u7121\u8ca0\u8377\u640d\u5931\u304c\u652f\u914d\u7684\u306b\u306a\u308a\u3001\u52b9\u7387\u66f2\u7dda\u304c\u60aa\u5316\u3057\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u904b\u7528\u671f\u9593\u4e2d\u306e\u5b9f\u969b\u306e\u30b3\u30b9\u30c8\u304c\u5897\u52a0\u3057\u307e\u3059\u3002.<\/li>\n<\/ol>\n<p>\u4f8b\u3092\u6319\u3052\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3042\u308b\u5c0f\u898f\u6a21\u306a\u5de5\u5834\u306f\u3001\u9700\u8981\u4fc2\u6570\u3092\u8003\u616e\u3057\u305f\u7d50\u679c\u300196 kVA\u3092\u8a08\u7b97\u3057\u307e\u3057\u305f\u300230 kW\u306e\u30e2\u30fc\u30bf\u30fc\u306b25%\u3092\u52a0\u3048\u308b\u3068\u3001\u7d50\u679c\u306f\u7d04110 kVA\u306b\u306a\u308a\u307e\u3059\u3002\u6b21\u306e\u4e09\u76f8\u6a19\u6e96\u5b9a\u683c\u306f112.5 kVA\u3067\u3042\u308a\u3001\u8ca0\u8377\u7387\u306f98%\u3067\u3001\u3053\u308c\u306f\u904e\u5270\u3067\u3059\u3002\u6b63\u3057\u3044\u7b54\u3048\u306f\u300173%\u306e\u8ca0\u8377\u3067150 kVA\u3067\u3059\u3002.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11786\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/10\/The-kVA-You-Need-Versus-the-kVA-You-Order.webp\" alt=\"\u5fc5\u8981\u306a kVA \u3068\u6ce8\u6587\u3059\u308b kVA\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>\u6a19\u6e96\u306e\u96fb\u5727\u30da\u30a2<\/h2>\n<p>kVA\u306e\u968e\u6bb5\u306f\u6a19\u6e96\u306e\u4e00\u5074\u9762\u306b\u904e\u304e\u307e\u305b\u3093\u3002\u96fb\u5727\u306e\u7d44\u307f\u5408\u308f\u305b\u306f\u3082\u3046\u4e00\u3064\u306e\u5074\u9762\u3067\u3042\u308a\u3001\u5317\u7c73\u3067\u306f\u3044\u304f\u3064\u304b\u306e\u30b1\u30fc\u30b9\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<ul>\n<li>??\u30eb\u30bf\u304b\u3089208Y\/120\u306f\u5546\u696d\u7528\u9014\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u3059\u3079\u3066\u306e\u5b9a\u683c\u306f15 kVA\u304b\u3089300 kVA\u307e\u3067\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u306f120 V\u8ca0\u8377\u7528\u306e\u4e2d\u6027\u3092\u63d0\u4f9b\u3057\u3001277 V\u3067\u7167\u660e\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002.<\/li>\n<li>??\u30eb\u30bf\u304b\u3089240\u30c7\u30eb\u30bf\u306e\u96fb\u5727\u306b\u306f\u4e2d\u6027\u304c\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002\u4e2d\u6027\u304c\u306a\u3044\u3068\u3044\u3046\u4e8b\u5b9f\u306f\u8a2d\u8a08\u4e0a\u306e\u8003\u616e\u4e8b\u9805\u3067\u3042\u308a\u3001240 V\u306e\u96fb\u5727\u51fa\u529b\u304c120 V\u8ca0\u8377\u306b\u4f9b\u7d66\u3067\u304d\u308b\u3068\u8003\u3048\u308b\u4e00\u90e8\u306e\u4eba\u3005\u3092\u6df7\u4e71\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<li>??\u3089480\u306e\u5909\u5727\u5668\u306f\u3001\u7c73\u56fd\u5411\u3051\u306b\u88fd\u9020\u3055\u308c\u305f\u30ab\u30ca\u30c0\u306e\u6a5f\u5668\u3067\u3088\u308a\u4e00\u822c\u7684\u3067\u3042\u308a\u3001\u6a5f\u68b0\u88fd\u9020\u696d\u8005\u306e\u6a19\u6e96\u30b5\u30a4\u30ba\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002.<\/li>\n<li>??\u30eb\u30bf\u304b\u3089208Y\/120 V\u306e\u96fb\u5727\u306f\u3042\u307e\u308a\u898b\u3089\u308c\u307e\u305b\u3093\u304c\u3001\u53e4\u3044\u6a5f\u5668\u304c\u65b0\u3057\u3044\u96fb\u6e90\u3092\u53d7\u3051\u53d6\u308b\u969b\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3055\u308c\u305f\u65bd\u8a2d\u3067\u6642\u3005\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/li>\n<\/ul>\n<p>\u305d\u306e\u4ed6\u306e\u3059\u3079\u3066\u306e\u7d44\u307f\u5408\u308f\u305b\u306f\u30ab\u30b9\u30bf\u30e0\u30aa\u30fc\u30c0\u30fc\u307e\u305f\u306f\u5168\u304f\u7570\u306a\u308b\u88fd\u54c1\u3067\u3059\u3002\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u5728\u5eab\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u306f\u306a\u304f\u7279\u5b9a\u306e\u7528\u9014\u306e\u30da\u30a2\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u3001\u30e6\u30cb\u30c3\u30c8\u306f\u6ce8\u6587\u3055\u308c\u308b\u306e\u3067\u306f\u306a\u304f\u6307\u5b9a\u3055\u308c\u3001150 kVA\u306e\u964d\u5727\u30c8\u30e9\u30f3\u30b9\u306a\u3069\u306e\u5c02\u7528\u30b5\u30a4\u30ba\u304c\u5fc5\u8981\u3067\u3059\u3002 <a href=\"https:\/\/subian-electric.com\/ja\/150-kva-step-down-transformer\/\">150 kVA\u964d\u5727\u30c8\u30e9\u30f3\u30b9<\/a> \u306f\u3001\u30ea\u30b9\u30c8\u304b\u3089\u9078\u3070\u308c\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5408\u308f\u305b\u3066\u88fd\u9020\u3055\u308c\u308b\u3082\u306e\u3067\u3059\u3002.<\/p>\n<h2>\u30c7\u30ea\u30fc\u30c6\u30a3\u30f3\u30b0\uff1a\u6e29\u5ea6\u3001\u9ad8\u5ea6\u3001\u30cf\u30fc\u30e2\u30cb\u30af\u30b9<\/h2>\n<table style=\"width: 88.3094%; height: 156px;\">\n<tbody>\n<tr style=\"height: 26px;\">\n<th style=\"height: 26px;\">\u72b6\u614b<\/th>\n<th style=\"height: 26px;\">\u4f7f\u7528\u53ef\u80fd\u306akVA\u3078\u306e\u5f71\u97ff<\/th>\n<th style=\"height: 26px;\">\u4f55\u3092\u3059\u3079\u304d\u304b<\/th>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"height: 26px;\">\u5468\u56f2\u6e29\u5ea6\u304c40\u00b0C\u3092\u8d85\u3048\u308b\u5834\u5408<\/td>\n<td style=\"height: 26px;\">\u6e1b\u5c11\uff1b\u516c\u8868\u3055\u308c\u3066\u3044\u308b\u7d4c\u9a13\u5247\u306f\u30010.33\u20130.5%\/\u00b0C\u3067\u3059\u3002<\/td>\n<td style=\"height: 26px;\">\u7d4c\u9a13\u5247\u3067\u306f\u306a\u304f\u3001\u30e1\u30fc\u30ab\u30fc\u306e\u30c7\u30ea\u30fc\u30c6\u30a3\u30f3\u30b0\u66f2\u7dda\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"height: 26px;\">\u9ad8\u5ea6\u304c1,000 m\u3092\u8d85\u3048\u308b\u5834\u5408<\/td>\n<td style=\"height: 26px;\">\u51b7\u5374\u52b9\u679c\u304c\u6e1b\u5c11\u3057\u307e\u3059\u3002<\/td>\n<td style=\"height: 26px;\">\u30e1\u30fc\u30ab\u30fc\u306b\u5f93\u3063\u3066\u30c7\u30ea\u30fc\u30c8\u3057\u3001\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u3092\u63db\u6c17\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"height: 26px;\">\u30cf\u30fc\u30e2\u30cb\u30af\u30b9\u304c\u8c4a\u5bcc\u306a\u8ca0\u8377<\/td>\n<td style=\"height: 26px;\">\u6e1b\u5c11\uff1b\u6e26\u96fb\u6d41\u640d\u5931\u306f\u57fa\u6e96\u96fb\u6d41\u3088\u308a\u3082\u65e9\u304f\u5897\u52a0\u3057\u307e\u3059\u3002<\/td>\n<td style=\"height: 26px;\">\u6a19\u6e96\u30e6\u30cb\u30c3\u30c8\u306e\u30c7\u30ea\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u4ee3\u308f\u308a\u306bK\u30d5\u30a1\u30af\u30bf\u30fc\u3092\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"height: 26px;\">\u63db\u6c17\u306a\u3057\u3067\u5c01\u5165\u3055\u308c\u305f<\/td>\n<td style=\"height: 26px;\">\u6e1b\u5c11\uff1b\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u304c\u5b9f\u969b\u306e\u5468\u56f2\u3067\u3059\u3002<\/td>\n<td style=\"height: 26px;\">\u30c8\u30e9\u30f3\u30b9\u3060\u3051\u3067\u306a\u304f\u3001\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u306e\u30b5\u30a4\u30ba\u3092\u6c7a\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"height: 26px;\">\u9023\u7d9a100%\u8ca0\u8377<\/td>\n<td style=\"height: 26px;\">\u30de\u30fc\u30b8\u30f3\u306a\u3057\uff1b\u7d76\u7e01\u306e\u52a3\u5316\u304c\u52a0\u901f\u3057\u307e\u3059\u3002<\/td>\n<td style=\"height: 26px;\">75\u201380%\u3067\u8a2d\u8a08\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5468\u56f2\u306e\u71b1\u306b\u95a2\u3057\u3066\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u300240\u00b0C\u3092\u8d85\u3048\u308b\u5404\u5ea6\u306b\u3064\u3044\u30660.33%\u304b\u30890.5%\u306e\u7d4c\u9a13\u5247\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u304c\u300150\u00b0C\u3067\u306f\u7570\u306a\u308a\u307e\u3059\u3002150\u00b0C\u3067\u52d5\u4f5c\u3059\u308b\u30e6\u30cb\u30c3\u30c8\u306e\u30c7\u30ea\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u300180\u00b0C\u306e\u4e0a\u6607\u3092\u53d7\u3051\u308b\u30e6\u30cb\u30c3\u30c8\u306e\u305d\u308c\u3068\u306f\u7570\u306a\u308b\u305f\u3081\u3001\u7279\u5b9a\u306e\u7d76\u7e01\u30b7\u30b9\u30c6\u30e0\u306e\u30e1\u30fc\u30ab\u30fc\u304b\u3089\u30c7\u30ea\u30fc\u30c6\u30a3\u30f3\u30b0\u30b0\u30e9\u30d5\u3092\u78ba\u8a8d\u3059\u308b\u306e\u304c\u552f\u4e00\u306e\u826f\u3044\u65b9\u6cd5\u3067\u3059\u3002.<\/p>\n<p>\u30cf\u30fc\u30e2\u30cb\u30af\u30b9\u306f\u6700\u3082\u898b\u843d\u3068\u3055\u308c\u304c\u3061\u306a\u30c7\u30ea\u30fc\u30c6\u30a3\u30f3\u30b0\u3067\u3042\u308a\u3001\u30af\u30e9\u30f3\u30d7\u30e1\u30fc\u30bf\u30fc\u3067\u306f\u3059\u3079\u3066\u304c\u6b63\u5e38\u306b\u898b\u3048\u307e\u3059\u3002\u4f8b\u3048\u3070\u30016\u30d1\u30eb\u30b9\u30c9\u30e9\u30a4\u30d6\u306b\u96fb\u529b\u3092\u4f9b\u7d66\u3059\u308b\u30c8\u30e9\u30f3\u30b9\u306f\u3001\u5dfb\u7dda\u3068\u30b3\u30a2\u304ckVA\u3067\u793a\u3055\u308c\u308b\u3088\u308a\u3082\u9ad8\u6e29\u306b\u306a\u308b\u30cf\u30fc\u30e2\u30cb\u30c3\u30af\u96fb\u6d41\u3092\u7d4c\u9a13\u3057\u307e\u3059\u3002\u71b1\u7684\u8cea\u91cf\u304c\u5b9f\u969b\u306b\u5b58\u5728\u3059\u308b\u5927\u304d\u306a\u5b9a\u683c\u306e\u91cd\u91cf\u3068\u7269\u7406\u7684\u30b5\u30a4\u30ba\u306f\u3001\u6570\u5024\u3068\u3068\u3082\u306b\u30ab\u30d0\u30fc\u3055\u308c\u3066\u3044\u307e\u3059\u3002 <a href=\"https:\/\/subian-electric.com\/ja\/blog\/500-kva-transformer-weight\/\">500 kVA\u30c8\u30e9\u30f3\u30b9\u306e\u91cd\u91cf<\/a> \u6570\u5024\u3002.<\/p>\n<h2>\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3068\u6545\u969c\u96fb\u6d41<\/h2>\n<p>\u30d1\u30fc\u30bb\u30f3\u30c8\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\uff08%Z\uff09\u306f\u3001\u5b9a\u683c\u96fb\u5727\u306b\u5bfe\u3059\u308b\u30d5\u30eb\u30ed\u30fc\u30c9\u6642\u306e\u96fb\u5727\u964d\u4e0b\u306e\u5272\u5408\u3067\u3042\u308a\u3001\u3069\u308c\u3060\u3051\u306e\u6545\u969c\u96fb\u6d41\u304c\u5229\u7528\u53ef\u80fd\u304b\u3092\u793a\u3057\u307e\u3059\u3002.<\/p>\n<p>\u5b9f\u969b\u306b\u306f\u3001\u914d\u96fb\u30c8\u30e9\u30f3\u30b9\u306f2%\u304b\u30895.75%\u306e\u7bc4\u56f2\u306e%Z\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u30c8\u30e9\u30f3\u30b9\u306e\u5b9a\u683c\u304c\u9ad8\u3044\u307b\u3069\u3001%Z\u306e\u5024\u3082\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002%Z\u306e\u5024\u304c\u4f4e\u3044\u30c8\u30e9\u30f3\u30b9\u306f\u3001\u540c\u6642\u306b\u6700\u5927\u306e\u6545\u969c\u96fb\u6d41\u3092\u4f9b\u7d66\u3057\u306a\u304c\u3089\u3001\u3088\u308a\u826f\u3044\u96fb\u5727\u8abf\u6574\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001%Z\u306e\u5024\u304c\u9ad8\u3044\u3068\u6545\u969c\u96fb\u6d41\u304c\u5236\u9650\u3055\u308c\u3001\u904e\u96fb\u6d41\u4fdd\u8b77\u306e\u8abf\u6574\u304c\u7c21\u7d20\u5316\u3055\u308c\u307e\u3059\u3002.<\/p>\n<p>\u30d1\u30cd\u30eb\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3092\u5909\u66f4\u305b\u305a\u306b\u30c8\u30e9\u30f3\u30b9\u306e\u5b9a\u683c\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002%Z\u306e\u5024\u3092\u5909\u66f4\u305b\u305a\u306b112.5 kVA\u304b\u3089150 kVA\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3001\u5229\u7528\u53ef\u80fd\u306a\u6545\u969c\u96fb\u6d41\u306e\u91cf\u3092\u5897\u52a0\u3055\u305b\u300110 kA\u306e\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u5371\u967a\u306b\u3055\u3089\u3059\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<h2>\u5b9f\u969b\u306b\u4eba\u3005\u304c\u6ce8\u6587\u3059\u308b\u30b5\u30a4\u30ba<\/h2>\n<p>\u5408\u8a08\u30675\u3064\u306e\u5b9a\u683c\u304c\u307b\u3068\u3093\u3069\u306e\u30dc\u30ea\u30e5\u30fc\u30e0\u3092\u5360\u3081\u3066\u304a\u308a\u3001\u305d\u306e\u7406\u7531\u306f\u6280\u8853\u7684\u3067\u306f\u306a\u304f\u5b9f\u7528\u7684\u3067\u3059\u3002.<\/p>\n<ul>\n<li>45 kVA\u306f\u5c0f\u898f\u6a21\u5546\u696d\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u3042\u308a\u3001\u5358\u4e00\u306e\u30c6\u30ca\u30f3\u30c8\u3001\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u3001\u307e\u305f\u306f200 A\u30d1\u30cd\u30eb\u3092\u6301\u3064\u5c0f\u3055\u306a\u30aa\u30d5\u30a3\u30b9\u3067208Y\/120 V\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/li>\n<li>75 kVA\u306f\u3001\u53a8\u623f\u8a2d\u5099\u3092\u5099\u3048\u305f\u30ec\u30b9\u30c8\u30e9\u30f3\u3084\u5c0f\u58f2\u30e6\u30cb\u30c3\u30c8\u3067\u4f7f\u7528\u3055\u308c\u3001\u4e00\u822c\u7684\u306b\u5165\u624b\u53ef\u80fd\u3067\u3059\u3002.<\/li>\n<li>5 kVA\u306f\u3001\u5009\u5eab\u3084\u8efd\u5de5\u696d\u306e\u73fe\u5834\u306b\u5bfe\u5fdc\u3067\u304d\u3001\u6b20\u3051\u3066\u3044\u308b100 kVA\u306e\u6a19\u6e96\u7684\u306a\u4ee3\u66ff\u54c1\u3067\u3059\u3002.<\/li>\n<li>150 kVA\u306f\u6a19\u6e96\u7684\u306a\u4e2d\u898f\u6a21\u5de5\u696d\u306e\u5b9a\u683c\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u3001\u5de5\u5834\u304c\u7b2c\u4e8c\u30b7\u30d5\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u969b\u306e\u6700\u3082\u4e00\u822c\u7684\u306a\u9078\u629e\u80a2\u3067\u3059\u3002.<\/li>\n<li>??\u3088\u3073500 kVA\u306f\u3001\u30ab\u30bf\u30ed\u30b0\u304b\u3089\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30aa\u30fc\u30c0\u30fc\u3078\u306e\u79fb\u884c\u304c\u884c\u308f\u308c\u3001\u4fa1\u683c\u306e\u4f1a\u8a71\u304c\u5909\u5316\u3059\u308b\u5927\u898f\u6a21\u306a\u5546\u696d\u304a\u3088\u3073\u30c7\u30fc\u30bf\u30db\u30fc\u30eb\u30b5\u30a4\u30ba\u3067\u3059\u3002 <a href=\"https:\/\/subian-electric.com\/ja\/blog\/100-kva-transformer-price\/\">\u5b9a\u683c\u306b\u308f\u305f\u308b\u30c8\u30e9\u30f3\u30b9\u306e\u4fa1\u683c\u8a2d\u5b9a<\/a> \u3092\u793a\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n<h2>\u540d\u677f\u306e\u8aad\u307f\u65b9<\/h2>\n<p>\u30e6\u30cb\u30c3\u30c8\u304c\u8981\u6c42\u3055\u308c\u305f\u3082\u306e\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u306e\u306f6\u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3059\u3002.<\/p>\n<p>kVA\u5b9a\u683c\u3068\u76f8\u6570\u3002480 V\u30c7\u30eb\u30bf\/208Y120 V\u306e\u3088\u3046\u306a\u4e00\u6b21\u304a\u3088\u3073\u4e8c\u6b21\u96fb\u5727\u3001\u63a5\u7d9a\u3092\u542b\u307f\u307e\u3059\u3002\u6e29\u5ea6\u4e0a\u6607\u306f\u4e00\u822c\u7684\u306b80\u00b0C\u3001115\u00b0C\u307e\u305f\u306f150\u00b0C\u3067\u3059\u3002\u7d76\u7e01\u30af\u30e9\u30b9\u306f\u901a\u5e38180\u00b0C\u307e\u305f\u306f220\u00b0C\u3067\u3059\u3002%Z\u3002\u305d\u3057\u3066\u30bf\u30c3\u30d7\u306f\u3001\u4e00\u6b21\u5dfb\u7dda\u3067\u00b12 \u00d7 2.5%\u3067\u3059\u3002.<\/p>\n<p>\u9ad8\u5074\u306e\u30bf\u30c3\u30d7\u306f\u3001\u964d\u5727\u7528\u9014\u306b\u4f7f\u7528\u3055\u308c\u308b\u5909\u5727\u5668\u306e\u901a\u5e38\u306e\u69cb\u6210\u3067\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u4f9b\u7d66\u96fb\u5727\u304c\u5909\u5316\u3059\u308b\u306e\u306f\u9ad8\u5074\u3060\u304b\u3089\u3067\u3059\u3002\u4f4e\u5074\u306b\u30bf\u30c3\u30d7\u304c\u3042\u308b\u5909\u5727\u5668\u306f\u3001\u6607\u5727\u7528\u9014\u306e\u305f\u3081\u306b\u88fd\u9020\u3055\u308c\u3066\u304a\u308a\u3001kVA\u5b9a\u683c\u306f\u540c\u3058\u3067\u3082\u5168\u304f\u7570\u306a\u308b\u3082\u306e\u3067\u3059\u3002.<\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3>\u6a19\u6e96\u306e\u5909\u5727\u5668kVA\u30b5\u30a4\u30ba\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u5358\u76f8\u5909\u5727\u5668\u306e\u6a19\u6e96\u5b9a\u683c\u306b\u306f\u30011\u30011.5\u30012\u30013\u30015\u30017.5\u300110\u300115\u300125\u300137.5\u300150\u300175\u3001100\u3001167\u3001250\u3001333\u304a\u3088\u3073500 kVA\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u4e00\u65b9\u3001\u4e09\u76f8\u5909\u5727\u5668\u306f15\u300130\u300145\u300175\u3001112.5\u3001150\u3001225\u3001300\u3001500\u3001750\u30011000\u30011500\u30012000\u304a\u3088\u30732500 kVA\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u4e0a\u8a18\u306e\u9806\u5e8f\u306fANSI\/IEEE C57.12.01\u304a\u3088\u3073NEMA ST-20\u306b\u8a73\u7d30\u306b\u8a18\u8f09\u3055\u308c\u3066\u304a\u308a\u3001\u3053\u306e\u9806\u5e8f\u306f\u5728\u5eab\u306e\u53ef\u7528\u6027\u306b\u95a2\u3057\u3066\u53b3\u5bc6\u306b\u9075\u5b88\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h3>100 kVA\u306e\u4e09\u76f8\u5909\u5727\u5668\u306f\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u6a19\u6e96\u5b9a\u683c\u306e\u6587\u8108\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002ANSI\u306e\u4e09\u76f8\u7bc4\u56f2\u306b\u306f75 kVA\u304b\u3089112.5 kVA\u306e\u5b9a\u683c\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001100 kVA\u306e\u5b9a\u683c\u3092\u6301\u3064\u4e09\u76f8\u30e6\u30cb\u30c3\u30c8\u306f\u30ab\u30b9\u30bf\u30e0\u30e1\u30a4\u30c9\u307e\u305f\u306f\u8aa4\u3063\u3066\u6ce8\u6587\u3055\u308c\u305f\u3082\u306e\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u6df7\u4e71\u3092\u5f15\u304d\u8d77\u3053\u3059\u539f\u56e0\u3068\u306a\u308b\u5358\u76f8100 kVA\u306e\u6a19\u6e96\u30b5\u30a4\u30ba\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h3>kVA\u3092\u30a2\u30f3\u30da\u30a2\u306b\u5909\u63db\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u5358\u76f8\u306e\u516c\u5f0f\u306f\u30a2\u30f3\u30da\u30a2 = kVA x 1000 \/ \u30dc\u30eb\u30c8\u3067\u3059\u3002\u4e09\u76f8\u306e\u516c\u5f0f\u306f\u30a2\u30f3\u30da\u30a2 = kVA x 1000 \/ (\u30dc\u30eb\u30c8 x 1.73)\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001480 V\u306e150 kVA\u4e09\u76f8\u30b7\u30b9\u30c6\u30e0\u306f180 A\u3092\u63d0\u4f9b\u3057\u3001\u540c\u3058\u30b7\u30b9\u30c6\u30e0\u306f208 V\u3067416 A\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<h3>100%\u306e\u8ca0\u8377\u3067\u5909\u5727\u5668\u3092\u30b5\u30a4\u30ba\u8a2d\u5b9a\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u5358\u76f8\u306e\u516c\u5f0f\u306f\u30a2\u30f3\u30da\u30a2 = kVA x 1000 \/ \u30dc\u30eb\u30c8\u3067\u3059\u3002\u4e09\u76f8\u306e\u516c\u5f0f\u306f\u30a2\u30f3\u30da\u30a2 = kVA x 1000 \/ (\u30dc\u30eb\u30c8 x 1.73)\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001480 V\u306e150 kVA\u4e09\u76f8\u30b7\u30b9\u30c6\u30e0\u306f180 A\u3092\u63d0\u4f9b\u3057\u3001\u540c\u3058\u30b7\u30b9\u30c6\u30e0\u306f208 V\u3067416 A\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<h2>\u53c2\u8003\u6587\u732e<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.hammondpowersolutions.com\/\" rel=\"nofollow noopener\" target=\"_blank\">\u30cf\u30e2\u30f3\u30c9\u30d1\u30ef\u30fc\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30ba \u2014 \u6a19\u6e96kVA\u5b9a\u683c\u304a\u3088\u3073\u9078\u629e\u30c7\u30fc\u30bf<\/a><\/li>\n<li><a href=\"https:\/\/www.sgb-smit.com\/\" rel=\"nofollow noopener\" target=\"_blank\">SGB-SMIT\u30b0\u30eb\u30fc\u30d7 \u2014 \u5909\u5727\u5668\u306e\u5b9a\u683c\u304a\u3088\u3073\u6280\u8853\u30c7\u30fc\u30bf<\/a><\/li>\n<li><a href=\"https:\/\/www.ul.com\/\" rel=\"nofollow noopener\" target=\"_blank\">UL\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30ba \u2014 \u5909\u5727\u5668\u306e\u30ea\u30b9\u30c8\u304a\u3088\u3073\u30de\u30fc\u30ad\u30f3\u30b0<\/a><\/li>\n<li><a href=\"https:\/\/www.nfpa.org\/codes-and-standards\/nfpa-70-standard-development\/70\" rel=\"nofollow noopener\" target=\"_blank\">NFPA 70 \u2014 \u5168\u56fd\u96fb\u6c17\u898f\u5247\u3001\u8a18\u4e8b220\u3001430\u304a\u3088\u3073450<\/a><\/li>\n<li><a href=\"https:\/\/www.energy.gov\/\" rel=\"nofollow noopener\" target=\"_blank\">\u7c73\u56fd\u30a8\u30cd\u30eb\u30ae\u30fc\u7701 \u2014 \u914d\u96fb\u30c8\u30e9\u30f3\u30b9\u52b9\u7387\u57fa\u6e96<\/a><\/li>\n<\/ul>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u30c8\u30e9\u30f3\u30b9\u306e\u30b5\u30a4\u30ba\u3092\u6c7a\u5b9a\u3059\u308b\u3053\u3068\u306f\u3001\u79d1\u5b66\u3068\u3044\u3046\u3088\u308a\u3082\u3080\u3057\u308d\u82b8\u8853\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u7d50\u8ad6\u306b\u9054\u3059\u308b\u305f\u3081\u306b\u53d6\u308b\u3079\u304d\u624b\u9806\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305a\u3001kVA\u8ca0\u8377\u3092\u6c7a\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u8ca0\u8377\u4fc2\u6570\u3092\u78ba\u8a8d\u3057\u305f\u5f8c\u3001\u30a8\u30f3\u30b8\u30f3\u306e\u59cb\u52d5\u3092\u8003\u616e\u3057\u3001\u6b21\u306e\u5927\u304d\u306a\u30b5\u30a4\u30ba\u306e75\u301c80\uff05\u306e\u5bb9\u91cf\u3092\u53d6\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6b63\u3057\u3044\u30c8\u30e9\u30f3\u30b9\u306e\u30b5\u30a4\u30ba\u6c7a\u5b9a\u3092\u8aa4\u3089\u305b\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b2\u3064\u306e\u30dd\u30a4\u30f3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u306f\u3001\u5468\u56f2\u6e29\u5ea6\u3068\u30c8\u30e9\u30f3\u30b9\u306e\u5b9a\u683c\u304c\u5c5e\u3059\u308b\u30d1\u30cd\u30eb\u306e\u77ed\u7d61\u96fb\u6d41\u5b9a\u683c\u3067\u3059\u3002.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>It will be impossible for you to buy a transformer that corresponds to the size you calculated since transformers are manufactured in the specific kVA categories based on the industry standards. It is up to you to choose the one among the existing categories that are going to address your needs. Making the wrong size decision will lead to either having to spend money for the power that will not be utilized or having your transformer operate under overload conditions and become defective at an earlier date than calculated. The rating systems for dry-type distribution transformers for single-phase and three-phase differ from one another. The ratings of the single-phase ones [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":11784,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-11783","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/posts\/11783","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=11783"}],"version-history":[{"count":4,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/posts\/11783\/revisions"}],"predecessor-version":[{"id":11790,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/posts\/11783\/revisions\/11790"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/media\/11784"}],"wp:attachment":[{"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/media?parent=11783"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/categories?post=11783"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/tags?post=11783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}