{"id":11614,"date":"2026-09-23T10:32:00","date_gmt":"2026-09-23T02:32:00","guid":{"rendered":"https:\/\/subian-electric.com\/?p=11614"},"modified":"2026-09-22T10:55:32","modified_gmt":"2026-09-22T02:55:32","slug":"what-is-a-kva-transformer","status":"publish","type":"post","link":"https:\/\/subian-electric.com\/ja\/blog\/what-is-a-kva-transformer\/","title":{"rendered":"kVA\u30c8\u30e9\u30f3\u30b9\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f\u5b9a\u683c\u3001\u30a2\u30f3\u30da\u30a2\u3001\u30b5\u30a4\u30ba\u306b\u95a2\u3059\u308b\u521d\u5fc3\u8005\u5411\u3051\u30ac\u30a4\u30c9"},"content":{"rendered":"<p>\u96fb\u6c17\u306e\u4e16\u754c\u306b\u4e0d\u6163\u308c\u306a\u65b9\u306b\u3068\u3063\u3066\u3001\u5909\u5727\u5668\u306e\u5074\u9762\u306b\u53d6\u308a\u4ed8\u3051\u3089\u308c\u305f\u30e9\u30d9\u30eb\u307b\u3069\u6df7\u4e71\u3092\u62db\u304f\u3082\u306e\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u306f\u901a\u5e38\u3001\u6570\u5b57\u30683\u3064\u306e\u6587\u5b57\u3067\u59cb\u307e\u308a\u307e\u3059\uff1a25 kVA\u3001100 kVA\u30011000 kVA\u3002\u305d\u306e\u6570\u5b57\u306f\u30e6\u30cb\u30c3\u30c8\u306b\u95a2\u3059\u308b\u6700\u3082\u91cd\u8981\u306a\u60c5\u5831\u3067\u3059\u304c\u3001\u5b9f\u969b\u306b\u305d\u308c\u304c\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u304b\u3092\u8aac\u660e\u3059\u308b\u4eba\u306f\u307b\u3068\u3093\u3069\u3044\u307e\u305b\u3093\u3002\u3053\u306e\u30ac\u30a4\u30c9\u306f\u305d\u308c\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002\u5e73\u6613\u306a\u8a00\u8449\u3067\u8aac\u660e\u3057\u307e\u3059\u3002 <strong>kVA\u5909\u5727\u5668\u3068\u306f\u4f55\u304b<\/strong>, \u3001kVA\u306e\u6570\u5b57\u304c\u4f55\u3092\u793a\u3059\u306e\u304b\u3001\u30a2\u30f3\u30da\u30a2\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u9069\u5207\u306a\u30b5\u30a4\u30ba\u3092\u9078\u3076\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u306f\u3001\u540d\u677f\u304c\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u521d\u5fc3\u8005\u304c\u6700\u3082\u3088\u304f\u5c0b\u306d\u308b\u8cea\u554f\u306b\u7b54\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n<blockquote><p>\u30d3\u30fc\u30eb\u306e\u30b0\u30e9\u30b9\u306f\u3001kVA\u3068kW\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u826f\u3044\u30a2\u30ca\u30ed\u30b8\u30fc\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u6e80\u676f\u306e\u30d3\u30fc\u30eb\u306e\u30b0\u30e9\u30b9\u306f\u3001\u5909\u5727\u5668\u306e\u7dcf\u96fb\u529b\u5b9a\u683c\u3067\u3042\u308b\u898b\u304b\u3051\u306e\u96fb\u529b\u3092\u8c61\u5fb4\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001\u3053\u306e\u5834\u5408\u306e\u30d3\u30fc\u30eb\u306f\u5b9f\u969b\u306e\u96fb\u529b\u306b\u306a\u308a\u307e\u3059\u3002\u6ce1\u306f\u30d3\u30fc\u30eb\u306e\u4e0a\u306b\u6d6e\u304b\u3093\u3067\u304a\u308a\u3001\u30b0\u30e9\u30b9\u306e\u4e2d\u3067\u4f55\u306e\u5f79\u306b\u3082\u7acb\u305f\u306a\u3044\u30b9\u30da\u30fc\u30b9\u3092\u5360\u3081\u3066\u3044\u307e\u3059\u3002\u540c\u69d8\u306b\u3001\u5909\u5727\u5668\u304ckW\u3067\u306f\u306a\u304fkVA\u3067\u5b9a\u683c\u3055\u308c\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3042\u308b\u7406\u7531\u306f\u3001\u5909\u5727\u5668\u304c\u6ce1\u3092\u542b\u3080\u5168\u3066\u306e\u30b0\u30e9\u30b9\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3089\u3067\u3059\u3002.<\/p><\/blockquote>\n<h2><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11616\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/09\/What-is-a-KVA-Transformer.webp\" alt=\"\" width=\"1448\" height=\"1086\" \/><\/h2>\n<h2>kVA\u5909\u5727\u5668\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n<p>A <strong>kVA\u5909\u5727\u5668<\/strong> \u306f\u3001kVA\u3068\u3057\u3066\u6e2c\u5b9a\u3055\u308c\u308b\u96fb\u529b\u3092\u904b\u3076\u80fd\u529b\u3092\u793a\u3059\u5909\u5727\u5668\u3068\u3057\u3066\u8a00\u53ca\u3055\u308c\u307e\u3059\u3002kV\u306f\u30ad\u30ed\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\u3092\u8868\u3057\u3001\u300c\u30ad\u30ed\u300d\u306f\u5343\u3092\u610f\u5473\u3057\u3001\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\u306f\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3088\u3063\u3066\u898b\u304b\u3051\u306e\u96fb\u529b\u3068\u547c\u3070\u308c\u308b\u96fb\u529b\u306e\u5358\u4f4d\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001100 kVA\u306e\u5909\u5727\u5668\u306f\u3001\u3044\u3064\u3067\u3082100,000\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\u3092\u4f7f\u7528\u3059\u308b\u96fb\u6c17\u7684\u80fd\u529b\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p>\u5909\u5727\u5668\u306f\u3001\u96fb\u6c17\u3092\u3042\u308b\u96fb\u5727\u304b\u3089\u5225\u306e\u96fb\u5727\u306b\u5909\u63db\u3059\u308b\u6a5f\u68b0\u3092\u6307\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u96fb\u529b\u7dda\u304b\u3089\u306e\u9ad8\u96fb\u5727\u3092\u5efa\u7269\u3067\u4f7f\u7528\u53ef\u80fd\u306a\u96fb\u5727\u306b\u5909\u63db\u3057\u305f\u308a\u3001\u4f4e\u96fb\u5727\u304b\u3089\u9ad8\u96fb\u5727\u306b\u5909\u63db\u3057\u3066\u9577\u8ddd\u96e2\u9001\u96fb\u3092\u884c\u3063\u305f\u308a\u3057\u307e\u3059\u3002\u96fb\u5727\u304c\u5909\u308f\u308b\u305f\u3073\u306b\u3001\u5909\u5727\u5668\u304c\u4f1d\u9001\u3067\u304d\u308b\u96fb\u6d41\u306e\u91cf\u306b\u306f\u9650\u754c\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u9650\u754c\u3092kVA\u3068\u547c\u3073\u307e\u3059\u3002.<\/p>\n<p>\u3053\u308c\u304c\u3001\u4eba\u3005\u304c\u5909\u5727\u5668\u3092\u305d\u306e\u5bb9\u91cf\u3067\u547c\u3076\u7406\u7531\u3067\u3059\u3002\u96fb\u6c17\u6280\u5e2b\u304c\u300c500 kVA\u306e\u30e6\u30cb\u30c3\u30c8\u304c\u5fc5\u8981\u3067\u3059\u300d\u3068\u8a00\u3046\u3068\u304d\u3001\u5f7c\u3089\u306f\u5909\u5727\u5668\u304c\u904b\u3076\u3079\u304d\u96fb\u529b\u306e\u6b63\u78ba\u306a\u91cf\u3092\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002\u7269\u7406\u7684\u306a\u30b5\u30a4\u30ba\u3001\u91cd\u91cf\u3001\u4fa1\u683c\u306f\u3059\u3079\u3066\u305d\u306e\u6570\u5b57\u306b\u6bd4\u4f8b\u3057\u307e\u3059\u3002.<\/p>\n<h2>kVA\u306f\u5b9f\u969b\u306b\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u304b\uff1f<\/h2>\n<p>kVA\u5909\u5727\u5668\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u306f\u30013\u7a2e\u985e\u306e\u96fb\u529b\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u8907\u96d1\u306b\u805e\u3053\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u7c21\u5358\u306a\u56f3\u3067\u8aac\u660e\u3057\u307e\u3059\u3002.<br \/>\n\u898b\u304b\u3051\u306e\u96fb\u529b\u306f\u3001\u5909\u5727\u5668\u304c\u904b\u3076\u5fc5\u8981\u304c\u3042\u308bkVA\u3067\u6e2c\u5b9a\u3055\u308c\u308b\u7dcf\u96fb\u529b\u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002.<br \/>\n\u5b9f\u969b\u306e\u96fb\u529b\u306f\u3001\u5b9f\u969b\u306e\u4f5c\u696d\u3092\u884c\u3046kW\u3067\u6e2c\u5b9a\u3055\u308c\u308b\u96fb\u6d41\u306e\u6709\u7528\u306a\u90e8\u5206\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u7a3c\u50cd\u4e2d\u306e\u30e2\u30fc\u30bf\u30fc\u3084\u52a0\u71b1\u6a5f\u5668\u3092\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<br \/>\n\u307e\u305f\u3001\u3044\u304f\u3064\u304b\u306e\u96fb\u529b\u306f\u7121\u52b9\u96fb\u529b\u3068\u547c\u3070\u308c\u3001kVAR\u3067\u6e2c\u5b9a\u3055\u308c\u307e\u3059\u3002\u305d\u308c\u306f\u3001\u4f5c\u696d\u3092\u884c\u308f\u306a\u3044\u96fb\u6d41\u306e\u90e8\u5206\u3067\u3059\u3002.<br \/>\n\u3053\u308c\u30893\u7a2e\u985e\u306e\u96fb\u529b\u306e\u95a2\u4fc2\u306f\u30010\u304b\u30891\u306e\u9593\u3092\u6e2c\u5b9a\u3059\u308b\u6570\u5024\u3067\u3042\u308b\u529b\u7387\u306b\u3088\u3063\u3066\u8aac\u660e\u3055\u308c\u307e\u3059\u3002.<br \/>\n\u7c21\u5358\u306b\u8a00\u3046\u3068\u3001\u5f0f\u306e\u672c\u8cea\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff1akW = kVA * \u529b\u7387\u3002.<br \/>\n\u3042\u306a\u305f\u304c\u6301\u3063\u3066\u3044\u308b\u5834\u5408 <strong>100 kVA \u30c8\u30e9\u30f3\u30b9<\/strong> \u529b\u7387 0.8 \u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30c8\u30e9\u30f3\u30b9\u304c\u63d0\u4f9b\u3059\u308b\u6709\u52b9\u96fb\u529b\u306f 80 kW \u306b\u306a\u308a\u307e\u3059\u3002\u6b8b\u308a\u306e\u96fb\u529b\u306f\u7121\u52b9\u96fb\u529b\u306e\u751f\u6210\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002.<\/p>\n<h2>kVA \u3068 kW\uff1a\u30c8\u30e9\u30f3\u30b9\u304c kVA \u3067\u5b9a\u683c\u3055\u308c\u308b\u7406\u7531<\/h2>\n<p>\u521d\u3081\u3066\u30c8\u30e9\u30f3\u30b9\u3092\u8cfc\u5165\u3059\u308b\u4eba\u304b\u3089\u306e\u4e00\u822c\u7684\u306a\u8cea\u554f\u306f\u3001\u300c\u306a\u305c\u30d2\u30fc\u30bf\u30fc\u3084\u30e2\u30fc\u30bf\u30fc\u306e\u3088\u3046\u306b\u30c8\u30e9\u30f3\u30b9\u3092\u30ad\u30ed\u30ef\u30c3\u30c8\u3067\u5358\u7d14\u306b\u5b9a\u683c\u3057\u306a\u3044\u306e\u3067\u3059\u304b\uff1f\u300d\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u8cea\u554f\u3078\u306e\u7b54\u3048\u306f\u7c21\u5358\u3067\u3059\u3002\u30c8\u30e9\u30f3\u30b9\u306f\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u300c\u4f7f\u7528\u300d\u306b\u95a2\u4fc2\u306a\u304f\u3001\u30ef\u30a4\u30e4\u30fc\u3092\u6d41\u308c\u308b\u96fb\u6d41\u3068\u95a2\u4e0e\u3059\u308b\u96fb\u5727\u306b\u57fa\u3065\u3044\u3066\u71b1\u3092\u751f\u6210\u3057\u307e\u3059\u3002.<\/p>\n<p>\u767a\u751f\u3059\u308b\u71b1\u306f\u9069\u7528\u3055\u308c\u308b\u8ca0\u8377\u306b\u4f9d\u5b58\u3059\u308b\u305f\u3081\u3001\u30c8\u30e9\u30f3\u30b9\u306f\u898b\u304b\u3051\u306e\u96fb\u529b\u3067\u5b9a\u683c\u3055\u308c\u308b\u3079\u304d\u3067\u3042\u308a\u3001\u30ad\u30ed\u30ef\u30c3\u30c8\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30c8\u30e9\u30f3\u30b9\u3092\u30b5\u30a4\u30ba\u6c7a\u5b9a\u3059\u308b\u305f\u3081\u306b\u30ad\u30ed\u30ef\u30c3\u30c8\u3060\u3051\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u904e\u8ca0\u8377\u306e\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11617\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/09\/KVA-vs-KW-what-is-the-different.webp\" alt=\"\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>kVA \u30c8\u30e9\u30f3\u30b9\u304b\u3089\u30a2\u30f3\u30da\u30a2\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u521d\u5fc3\u8005\u304b\u3089\u6700\u3082\u3088\u304f\u5bc4\u305b\u3089\u308c\u308b\u8cea\u554f\u306e\u4e00\u3064\u306f\u3001\u30c8\u30e9\u30f3\u30b9\u306e\u30a2\u30f3\u30da\u30a2\u5bb9\u91cf\u306b\u95a2\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u30a2\u30f3\u30da\u30a2\u3068\u3044\u3046\u7528\u8a9e\u306f\u3001\u96fb\u6d41\u306e\u6e2c\u5b9a\u5358\u4f4d\u3067\u3042\u308b\u30a2\u30f3\u30da\u30a2\u3092\u6307\u3057\u3001\u3053\u306e\u7528\u8a9e\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u30b1\u30fc\u30d6\u30eb\u30b5\u30a4\u30ba\u3001\u30d6\u30ec\u30fc\u30ab\u30fc\u3001\u30d1\u30cd\u30eb\u3092\u6c7a\u5b9a\u3059\u308b\u4e0a\u3067\u91cd\u8981\u3067\u3059\u3002\u5e78\u3044\u306a\u3053\u3068\u306b\u3001\u96fb\u5727\u304c\u308f\u304b\u308c\u3070\u96fb\u6d41\u3092\u6c7a\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u96fb\u6d41\u306f kVA \u6570\u3068\u96fb\u5727\u306e\u4e21\u65b9\u306b\u5fdc\u3058\u3066\u5909\u52d5\u3059\u308b\u304b\u3089\u3067\u3059\u3002.<\/p>\n<p>\u5358\u76f8\u30c8\u30e9\u30f3\u30b9\u306e\u5834\u5408\u306e\u96fb\u6d41\u8a08\u7b97\u5f0f\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<p>\u96fb\u6d41 = (kVA \u00d7 1000) \u00f7 \u96fb\u5727<\/p>\n<p>\u307b\u3068\u3093\u3069\u306e\u7523\u696d\u3067\u4f7f\u7528\u3055\u308c\u308b\u4e09\u76f8\u30c8\u30e9\u30f3\u30b9\u306e\u5834\u5408\u3001\u96fb\u6d41\u3092\u8a08\u7b97\u3059\u308b\u969b\u306b\u5b9a\u6570 1.732\uff083 \u306e\u5e73\u65b9\u6839\uff09\u3092\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<p>\u8a08\u7b97\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff1a<\/p>\n<p>\u96fb\u6d41 = (kVA \u00d7 1000) \u00f7 (\u96fb\u5727 \u00d7 1.732)<\/p>\n<p>\u3088\u308a\u826f\u3044\u7406\u89e3\u306e\u305f\u3081\u306b\u3001\u3044\u304f\u3064\u304b\u306e\u8a08\u7b97\u4f8b\u3092\u793a\u3057\u307e\u3059\uff1a<\/p>\n<p>\u5358\u76f8\u3067\u96fb\u5727 240 \u306e 25 kVA \u5b9a\u683c\u306e\u30c8\u30e9\u30f3\u30b9\u306f\u3001\u7d04 104 \u30a2\u30f3\u30da\u30a2\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<br \/>\n\u96fb\u5727 400 \u306e 100 kVA \u5b9a\u683c\u306e\u4e09\u76f8\u30c8\u30e9\u30f3\u30b9\u306f\u3001\u7d04 144 \u30a2\u30f3\u30da\u30a2\u3092\u751f\u6210\u3057\u307e\u3059\u3002.<br \/>\n\u96fb\u5727 480 \u306e 1000 kVA \u5b9a\u683c\u306e\u4e09\u76f8\u30c8\u30e9\u30f3\u30b9\u306f\u30011203 \u30a2\u30f3\u30da\u30a2\u3092\u751f\u6210\u3057\u307e\u3059\u3002.<\/p>\n<p>kVA \u6570\u306f\u540c\u3058\u307e\u307e\u3067\u3059\u304c\u3001\u96fb\u5727\u306e\u9055\u3044\u306b\u3088\u308a\u30a2\u30f3\u30da\u30a2\u304c\u7570\u306a\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3053\u306e\u96fb\u6d41\u3068\u96fb\u5727\u306e\u95a2\u4fc2\u306e\u50be\u5411\u306f\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3059\u3002.<\/p>\n<h2>VA\u3001kVA\u3001\u304a\u3088\u3073 MVA\uff1a\u5358\u4f4d\u306e\u7406\u89e3<\/h2>\n<p>\u59cb\u3081\u305f\u3070\u304b\u308a\u306e\u4eba\u3005\u306f\u3001\u30c8\u30e9\u30f3\u30b9\u5bb9\u91cf\u306b\u95a2\u3059\u308b\u6e2c\u5b9a\u5358\u4f4d\u306b\u6df7\u4e71\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u8a00\u53ca\u3055\u308c\u308b\u3055\u307e\u3056\u307e\u306a\u7528\u8a9e\u306f\u3059\u3079\u3066\u540c\u3058\u610f\u5473\u3092\u6301\u3061\u3001\u898b\u304b\u3051\u306e\u96fb\u529b\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u304c\u3001\u7570\u306a\u308b\u30ec\u30d9\u30eb\u3092\u5358\u306b\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002.<br \/>\n\u6700\u5c0f\u306e\u96fb\u529b\u5358\u4f4d\u306f VA\uff08\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\uff09\u3067\u3059\u3002\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\u306b\u95a2\u9023\u3059\u308b\u96fb\u529b\u306f\u3001\u7279\u5b9a\u306e\u5236\u5fa1\u30c8\u30e9\u30f3\u30b9\u3067\u4f7f\u7528\u3055\u308c\u308b\u6700\u5c0f\u9650\u306e\u91cf\u3067\u3059\u3002.<br \/>\n\u6b21\u306b\u5927\u304d\u306a\u5358\u4f4d\u306f kVA\uff08\u30ad\u30ed\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\uff09\u3067\u3001\u3053\u308c\u306f 1000 \u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\u306b\u7b49\u3057\u3044\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u307b\u3068\u3093\u3069\u306e\u914d\u96fb\u30c8\u30e9\u30f3\u30b9\u3067\u4f7f\u7528\u3055\u308c\u308b\u6e2c\u5b9a\u5358\u4f4d\u3067\u3042\u308a\u3001kVA \u306f\u96fb\u6c17\u696d\u754c\u3067\u4f7f\u7528\u3055\u308c\u308b\u4e3b\u8981\u306a\u96fb\u529b\u5358\u4f4d\u3067\u3059\u3002.<br \/>\n\u6b21\u306b\u3001MVA\uff08\u30e1\u30ac\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\uff09\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u30011,000\u30ad\u30ed\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\u3001\u307e\u305f\u306f1,000,000\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u3053\u306e\u5358\u4f4d\u306f\u3001\u5909\u96fb\u6240\u306b\u3042\u308b\u975e\u5e38\u306b\u5927\u304d\u306a\u5909\u5727\u5668\u3067\u306e\u307f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/p>\n<p>\u3053\u308c\u306f\u3001\u5bb9\u91cf\u304c-kVA\u306e\u5909\u5727\u5668\u306f\u3001\u610f\u5473\u3092\u5931\u3046\u3053\u3068\u306a\u304fMVA\u3068\u3057\u3066\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u7528\u8a9e\u304c\u30bc\u30ed\u306e\u6570\u3092\u793a\u3059\u3060\u3051\u3067\u3042\u308b\u3053\u3068\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u3053\u306e\u5834\u5408\u3001\u5909\u5727\u5668\u306e\u5bb9\u91cf\u3092\u6c7a\u5b9a\u3059\u308b\u306e\u306f\u96e3\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n<h2>\u4e00\u822c\u7684\u306akVA\u5909\u5727\u5668\u306e\u30b5\u30a4\u30ba\u3068\u305d\u308c\u304c\u4f9b\u7d66\u3059\u308b\u3082\u306e<\/h2>\n<p>\u5909\u5727\u5668\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u6a19\u6e96\u30b5\u30a4\u30ba\u3067\u88fd\u9020\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u306e\u7bc4\u56f2\u306f\u901a\u5e38\u3001\u5909\u5727\u5668\u304c\u4f7f\u7528\u3055\u308c\u308b\u76ee\u7684\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002.<br \/>\n25 kVA\u5909\u5727\u5668\u308450 kVA\u5909\u5727\u5668\u3092\u542b\u3080\u5c0f\u578b\u7bc4\u56f2\u3067\u306f\u3001\u5c0f\u898f\u6a21\u306a\u4f4f\u5b85\u3001\u8fb2\u5834\u3001\u5e97\u8217\u3001\u307e\u305f\u306f\u5236\u5fa1\u8a2d\u5099\u306b\u96fb\u529b\u3092\u4f9b\u7d66\u3067\u304d\u308b\u5909\u5727\u5668\u304c\u3042\u308a\u307e\u3059\u3002.<br \/>\n\u4e2d\u578b\u7bc4\u56f2\u306b\u306f\u3001100 kVA\u5909\u5727\u5668\u3001250 kVA\u5909\u5727\u5668\u3001500 kVA\u5909\u5727\u5668\u306a\u3069\u306e\u5b9a\u683c\u304c\u542b\u307e\u308c\u3001\u4f4f\u5b85\u5730\u57df\u3001\u5546\u696d\u30d3\u30eb\u3001\u5b66\u6821\u3001\u8efd\u5de5\u696d\u306e\u8981\u4ef6\u306b\u96fb\u529b\u3092\u4f9b\u7d66\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<br \/>\n\u5927\u578b\u7bc4\u56f2\u306e\u5909\u5727\u5668\u3067\u306f\u30011000 kVA\u5909\u5727\u5668\u307e\u305f\u306f\u305d\u308c\u4ee5\u4e0a\u3001\u4f8b\u3048\u30701600 kVA\u5909\u5727\u5668\u306e\u3088\u3046\u306b\u3001\u5de5\u5834\u3084\u305d\u306e\u3088\u3046\u306a\u5927\u898f\u6a21\u306a\u65bd\u8a2d\u306b\u76f4\u63a5\u4f7f\u7528\u3067\u304d\u308b\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002.<br \/>\n\u3053\u306e\u30ab\u30c6\u30b4\u30ea\u3067\u306f\u3001\u975e\u5e38\u306b\u5927\u304d\u306a\u7bc4\u56f2\u306b\u306f\u30012000 kVA\u5909\u5727\u5668\u4ee5\u4e0a\u306e\u5b9a\u683c\u304c\u542b\u307e\u308c\u3001\u91cd\u5de5\u696d\u3084\u4e3b\u8981\u306a\u30a4\u30f3\u30d5\u30e9\u8981\u4ef6\u3001\u5de8\u5927\u306a\u96fb\u529b\u914d\u5206\u30cb\u30fc\u30ba\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<br \/>\n\u5909\u5727\u5668\u3092\u9078\u3076\u969b\u306b\u306f\u3001\u73fe\u5728\u306e\u8ca0\u8377\u8981\u4ef6\u3060\u3051\u3067\u306a\u304f\u3001\u5c06\u6765\u306e\u8ca0\u8377\u3082\u8003\u616e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002.<\/p>\n<h2>\u9069\u5207\u306akVA\u5909\u5727\u5668\u306e\u30b5\u30a4\u30ba\u3092\u9078\u3076\u65b9\u6cd5<\/h2>\n<p>\u5909\u5727\u5668\u3092\u9078\u3076\u3053\u3068\u306f\u30d0\u30e9\u30f3\u30b9\u3067\u3059\u3002\u5c0f\u3055\u3059\u304e\u308b\u3068\u904e\u71b1\u3057\u3001\u30c8\u30ea\u30c3\u30d7\u3057\u3001\u65e9\u671f\u306b\u52a3\u5316\u3057\u307e\u3059\u3002\u5927\u304d\u3059\u304e\u308b\u3068\u3001\u7121\u99c4\u306a\u8cbb\u7528\u304c\u304b\u304b\u308a\u3001\u8efd\u8ca0\u8377\u3067\u975e\u52b9\u7387\u7684\u306b\u904b\u8ee2\u3055\u308c\u307e\u3059\u3002\u5c02\u9580\u5bb6\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u7c21\u5358\u306a\u30eb\u30fc\u30eb\u306b\u5f93\u3063\u3066\u9078\u3073\u307e\u3059\u3002 <strong>kVA\u30c8\u30e9\u30f3\u30b9\u306e\u30b5\u30a4\u30ba\u9078\u5b9a<\/strong> \u6b63\u3057\u3044\u3002.<\/p>\n<ul>\n<li>\u6700\u521d\u306b\u884c\u3046\u3079\u304d\u3053\u3068\u306f\u3001\u5b9f\u969b\u306e\u8ca0\u8377\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u30c8\u30e9\u30f3\u30b9\u3067\u96fb\u529b\u4f9b\u7d66\u3055\u308c\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u7dcf\u5bb9\u91cf\u3092kW\u3067\u8a08\u7b97\u3057\u3001\u671f\u5f85\u3055\u308c\u308b\u529b\u7387\u3092\u4f7f\u7528\u3057\u3066kVA\u306b\u5909\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<br \/>\n\u5e73\u5747\u8ca0\u8377\u3067\u306f\u306a\u304f\u3001\u6700\u5927\u8ca0\u8377\u3092\u8003\u616e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u96fb\u529b\u6d88\u8cbb\u306f\u52d5\u7684\u306a\u30d7\u30ed\u30bb\u30b9\u3067\u3042\u308a\u3001\u5168\u54e1\u304c\u30a8\u30a2\u30b3\u30f3\u3092\u30d5\u30eb\u7a3c\u50cd\u3055\u305b\u308b\u6691\u3044\u65e5\u306e\u3088\u3046\u306b\u30d4\u30fc\u30af\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u30c8\u30e9\u30f3\u30b9\u306f\u305d\u306e\u3088\u3046\u306a\u30d4\u30fc\u30af\u72b6\u6cc1\u306b\u5099\u3048\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<br \/>\n80\uff05\u30eb\u30fc\u30eb\u3092\u5b88\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u4e00\u822c\u7684\u306a\u30a2\u30c9\u30d0\u30a4\u30b9\u306f\u3001\u30c8\u30e9\u30f3\u30b9\u306e\u8ca0\u8377\u5bb9\u91cf\u3092\u305d\u306e <strong>kVA\u5b9a\u683c\u306e80\uff05\u4ee5\u4e0b\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/strong>. \u3053\u306e\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u5c06\u6765\u306e\u8ca0\u8377\u5897\u52a0\u3084\u7a81\u7136\u306e\u9700\u8981\u306e\u6025\u5897\u306b\u5bfe\u3057\u3066\u904e\u71b1\u3059\u308b\u3053\u3068\u306a\u304f\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002.<br \/>\n\u5148\u3092\u898b\u8d8a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5c06\u6765\u7684\u306b\u8ca0\u8377\u8981\u4ef6\u304c\u5897\u52a0\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u5f8c\u3067\u30c8\u30e9\u30f3\u30b9\u3092\u4ea4\u63db\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u6b21\u306e\u6a19\u6e96\u30c8\u30e9\u30f3\u30b9\u3092\u4eca\u8cfc\u5165\u3059\u308b\u3079\u304d\u3067\u3059\u3002.<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11615\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/09\/How-to-choose-the-right-KVA-size.webp\" alt=\"\" width=\"1448\" height=\"1086\" \/><\/li>\n<\/ul>\n<h2>\u4e7e\u5f0f\u30c8\u30e9\u30f3\u30b9 vs \u6cb9\u6d78\u30c8\u30e9\u30f3\u30b9<\/h2>\n<p>kVA\u30c8\u30e9\u30f3\u30b9\u306f\u3001\u51b7\u5374\u304a\u3088\u3073\u7d76\u7e01\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u7570\u306a\u308b2\u3064\u306e\u4e3b\u8981\u306a\u30bf\u30a4\u30d7\u306b\u5206\u304b\u308c\u3066\u3044\u307e\u3059\u3002\u4e7e\u5f0f\u30c8\u30e9\u30f3\u30b9\u306f\u51b7\u5374\u306b\u7a7a\u6c17\u3092\u4f7f\u7528\u3057\u3001\u8a2d\u8a08\u306b\u306f\u56fa\u4f53\u6a39\u8102\u7d76\u7e01\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u4f4f\u5b85\u3001\u30aa\u30d5\u30a3\u30b9\u3001\u30c8\u30f3\u30cd\u30eb\u306a\u3069\u306e\u5c4b\u5185\u8a2d\u7f6e\u306b\u5b89\u5168\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u3002\u6cb9\u6d78\u30c8\u30e9\u30f3\u30b9\u306f\u7d76\u7e01\u3068\u30b3\u30a4\u30eb\u90e8\u5206\u306e\u51b7\u5374\u306b\u6cb9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u306e\u30bf\u30a4\u30d7\u306e\u30c8\u30e9\u30f3\u30b9\u306f\u3001\u4e7e\u5f0f\u30c8\u30e9\u30f3\u30b9\u3068\u6bd4\u8f03\u3057\u3066\u52b9\u7387\u7684\u306b\u52d5\u4f5c\u3057\u3001\u5c4b\u5916\u306e\u5909\u96fb\u6240\u3067\u306e\u4f7f\u7528\u304c\u597d\u307e\u308c\u307e\u3059\u3002.<\/p>\n<p>\u3053\u308c\u3089\u306e\u30c8\u30e9\u30f3\u30b9\u306f\u540c\u3058\u5b9a\u683c\u3092\u6301\u3061\u30011,000 kVA\u306e\u30c8\u30e9\u30f3\u30b9\u306f\u4e7e\u5f0f\u30c8\u30e9\u30f3\u30b9\u3067\u3042\u308d\u3046\u3068\u6cb9\u6d78\u30c8\u30e9\u30f3\u30b9\u3067\u3042\u308d\u3046\u3068\u540c\u3058kVA\u3092\u6301\u3061\u307e\u3059\u3002\u53d7\u3051\u53d6\u3063\u305f\u898b\u7a4d\u3082\u308a\u3092\u78ba\u8a8d\u3059\u308b\u969b\u306f\u3001\u540c\u3058kVA\u3092\u6bd4\u8f03\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h2>kVA\u30c8\u30e9\u30f3\u30b9\u306e\u540d\u677f\u306e\u8aad\u307f\u65b9<\/h2>\n<p>kVA\u306e\u6570\u5024\u304c\u6c7a\u307e\u308b\u3068\u3001\u6b8b\u308a\u306e\u60c5\u5831\u306f\u6bd4\u8f03\u7684\u7406\u89e3\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u3059\u3079\u3066\u306ekVA\u30c8\u30e9\u30f3\u30b9\u306e\u5074\u9762\u306b\u53d6\u308a\u4ed8\u3051\u3089\u308c\u305f\u91d1\u5c5e\u677f\u306b\u306f\u3001kVA\u521d\u5fc3\u8005\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u57fa\u672c\u7684\u306a\u60c5\u5831\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n<p>\u5b9a\u683c\u96fb\u529b\u3002\u3053\u308c\u304c\u3001\u3042\u306a\u305f\u306b\u3068\u3063\u3066\u610f\u5473\u3092\u6301\u3064kVA\u306e\u6570\u5024\u3067\u3059\u3002.<br \/>\n\u96fb\u5727\u5b9a\u683c\u3002\u3053\u308c\u3089\u306f\u3001\u5165\u529b\u96fb\u5727\u5024\u3068\u51fa\u529b\u96fb\u5727\u3092\u305d\u308c\u305e\u308c\u793a\u3057\u307e\u3059\u3002\u4f8b\uff1a11,000 V \/ 400 V\u3002\u96fb\u5727\u304c\u3069\u308c\u3060\u3051\u4e0a\u4e0b\u306b\u5909\u5316\u3059\u308b\u304b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002.<br \/>\n\u76f8\u3068\u5468\u6ce2\u6570\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e6\u30cb\u30c3\u30c8\u304c\u5358\u76f8\u307e\u305f\u306f\u4e09\u76f8\u96fb\u5727\u3092\u6301\u3063\u3066\u3044\u308b\u304b\u3001\u4f8b\u3048\u307050 Hz\u307e\u305f\u306f60 Hz\u306e\u52d5\u4f5c\u5468\u6ce2\u6570\u304c\u793a\u3055\u308c\u307e\u3059\u3002.<br \/>\n\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3002\u3053\u308c\u306f\u901a\u5e38\u30d1\u30fc\u30bb\u30f3\u30c6\u30fc\u30b8\u3067\u793a\u3055\u308c\u30014\uff05\u304b\u30896\uff05\u306e\u9593\u3067\u5909\u52d5\u3057\u307e\u3059\u3002\u96fb\u5727\u304c\u3069\u308c\u3060\u3051\u5b89\u5b9a\u3059\u308b\u304b\u3001\u6545\u969c\u96fb\u6d41\u304c\u3069\u308c\u3060\u3051\u6d41\u308c\u308b\u304b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u4f4e\u3044\u307b\u3069\u3001\u96fb\u5727\u306f\u786c\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u6545\u969c\u96fb\u6d41\u306f\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002.<br \/>\n\u51b7\u5374\u3068\u6e29\u5ea6\u4e0a\u6607\u3002\u3053\u308c\u306b\u306f\u3001\u6cb9\u3092\u4f7f\u7528\u3059\u308b\u30c8\u30e9\u30f3\u30b9\u7528\u306eONAN\u306a\u3069\u3001\u3044\u304f\u3064\u304b\u306e\u30b3\u30fc\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h2>Subian Power kVA\u30c8\u30e9\u30f3\u30b9<\/h2>\n<p>\u6c5f\u8607\u7701\u8607\u8fba\u96fb\u529b\u8a2d\u5099\u6709\u9650\u516c\u53f8\u306f\u3001110 kV\u4ee5\u4e0b\u306e\u96fb\u529b\u304a\u3088\u3073\u914d\u96fb\u7528\u5909\u5727\u5668\u3092\u88fd\u9020\u3059\u308b\u4e2d\u56fd\u306e\u30cf\u30a4\u30c6\u30af\u30e1\u30fc\u30ab\u30fc\u3067\u3042\u308a\u3001\u30d7\u30ec\u30d5\u30a1\u30d6\u30ea\u30b1\u30fc\u30c8\u578b\u5909\u96fb\u6240\u3084\u9ad8\u30fb\u4f4e\u96fb\u5727\u30b9\u30a4\u30c3\u30c1\u30ae\u30a2\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u30022019\u5e74\u306b\u6c5f\u8607\u7701\u5f90\u5dde\u5e02\u3067\u8a2d\u7acb\u3055\u308c\u305f\u8607\u8fba\u306f\u300130,000\u5e73\u65b9\u30e1\u30fc\u30c8\u30eb\u306e\u65bd\u8a2d\u3092\u904b\u55b6\u3057\u3001\u516c\u5171\u4e8b\u696d\u3001\u518d\u751f\u53ef\u80fd\u30a8\u30cd\u30eb\u30ae\u30fc\u3001\u7523\u696d\u3001\u30a4\u30f3\u30d5\u30e9\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5411\u3051\u306e\u8a2d\u5099\u3092\u4f9b\u7d66\u3057\u3066\u3044\u307e\u3059\u3002\u81ea\u793e\u3067\u4e21\u65b9\u306e\u6280\u8853\u3092\u69cb\u7bc9\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u8607\u8fba\u306f\u307b\u307c\u3059\u3079\u3066\u306e\u8ca0\u8377\u3068\u74b0\u5883\u306b\u9069\u3057\u305f <strong>kVA\u5909\u5727\u5668<\/strong> \u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\uff1a<\/p>\n<ul>\n<li>\u30af\u30ea\u30fc\u30f3\u3067\u706b\u707d\u5b89\u5168\u306a\u5c4b\u5185\u304a\u3088\u3073\u5bc6\u9589\u578b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5411\u3051\u306b\u3001\u8607\u8fba\u306e <a href=\"https:\/\/subian-electric.com\/ja\/dry-type-transformer\/\">\u30c9\u30e9\u30a4\u30bf\u30a4\u30d7\u5909\u5727\u5668<\/a> \u306b\u306f <a href=\"https:\/\/subian-electric.com\/ja\/product\/dry-type-distribution-transformer-6-10-kv-scb-series\/\">6-10 kV SCB\u30a8\u30dd\u30ad\u30b7\u6a39\u8102\u92f3\u9020\u4e7e\u5f0f\u5909\u5727\u5668<\/a> \u3068\u4f4e\u640d\u5931\u306e <a href=\"https:\/\/subian-electric.com\/ja\/product\/10kv-dry-type-transformer-scbh-series\/\">10 kV SCBH\u30a2\u30e2\u30eb\u30d5\u30a1\u30b9\u5408\u91d1\u4e7e\u5f0f\u5909\u5727\u5668\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/a>.<\/li>\n<li>\u5c4b\u5916\u5909\u96fb\u6240\u304a\u3088\u3073\u516c\u5171\u4e8b\u696d\u306e\u914d\u96fb\u5411\u3051\u306b\u3001\u8607\u8fba\u306e <a href=\"https:\/\/subian-electric.com\/ja\/oil-immersed-transformer\/\">\u6cb9\u6d78\u5909\u5727\u5668<\/a> \u306b\u306f <a href=\"https:\/\/subian-electric.com\/ja\/product\/6-10kv-oil-immersed-power-distribution-transformer\/\">6-10 kV\u6cb9\u6d78\u914d\u96fb\u5909\u5727\u5668<\/a> \u306f\u3001\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u4f4e\u640d\u5931\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u7bc4\u56f2\u306b\u308f\u305f\u308a\u3001\u8607\u8fba\u306f\u4e0a\u8a18\u306e\u5c0f\u578b\u3001\u4e2d\u578b\u3001\u5927\u578b\u306e <strong>kVA\u5909\u5727\u5668<\/strong> \u30b5\u30a4\u30ba\u3092\u30ab\u30d0\u30fc\u3057\u3066\u304a\u308a\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0\u306f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5408\u308f\u305b\u3066kVA\u5b9a\u683c\u3001\u96fb\u5727\u30af\u30e9\u30b9\u3001\u51b7\u5374\u30bf\u30a4\u30d7\u3001\u304a\u3088\u3073\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u3092\u8abf\u6574\u3067\u304d\u307e\u3059\u3002\u8ca0\u8377\u306f\u308f\u304b\u3063\u3066\u3044\u308b\u304c\u30b5\u30a4\u30ba\u304c\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u3001\u30c1\u30fc\u30e0\u304c\u6b63\u3057\u3044 <strong>kVA\u30c8\u30e9\u30f3\u30b9\u306e\u30b5\u30a4\u30ba\u9078\u5b9a<\/strong> \u3092\u8a08\u7b97\u3059\u308b\u624b\u52a9\u3051\u3092\u3057\u307e\u3059\u306e\u3067\u3001\u898b\u7a4d\u3082\u308a\u3092\u4f9d\u983c\u3059\u308b\u524d\u306b\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3>2000 kVA\u306e\u5909\u5727\u5668\u306f\u4f55\u30a2\u30f3\u30da\u30a2\u306b\u76f8\u5f53\u3057\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u305d\u308c\u306f\u96fb\u5727\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u4e09\u76f8\u5909\u5727\u5668\u306e\u8a08\u7b97\u5f0f\u306b\u57fa\u3065\u304f\u3068\u30012000 kVA\u306e\u5b9a\u683c\u3092\u6301\u3064\u5909\u5727\u5668\u306f\u3001480 V\u306e\u96fb\u5727\u3067\u7d042,406\u30a2\u30f3\u30da\u30a2\u3092\u4f9b\u7d66\u3057\u307e\u3059\u3002\u3053\u306e\u6570\u5024\u306f\u7d042,400\u30a2\u30f3\u30da\u30a2\u306b\u4e38\u3081\u3089\u308c\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002208V\u306e\u4f4e\u96fb\u5727\u3067\u306f\u3001\u3053\u306e\u30e6\u30cb\u30c3\u30c8\u306f5,500\u30a2\u30f3\u30da\u30a2\u4ee5\u4e0a\u3092\u4f9b\u7d66\u3067\u304d\u308b\u305f\u3081\u3001\u4f4e\u96fb\u5727\u306f\u9ad8\u96fb\u6d41\u3092\u610f\u5473\u3057\u3001\u540c\u3058\u6d88\u8cbb\u96fb\u529b\u306b\u7b49\u3057\u3044\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u901a\u5e38\u3001\u6700\u5927\u5b9a\u683c\u5bb9\u91cf\u306e\u7d0480%\u3067\u5909\u5727\u5668\u306e\u904b\u8ee2\u3092\u8a2d\u8a08\u3059\u308b\u305f\u3081\u3001\u904b\u8ee2\u96fb\u6d41\u306f\u9054\u6210\u53ef\u80fd\u306a\u3082\u306e\u3088\u308a\u3082\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n<h3>100 kVA\u306e\u5909\u5727\u5668\u306f\u4f55\u8ed2\u306e\u5bb6\u3092\u51e6\u7406\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u6b63\u78ba\u306a\u6570\u5024\u306f\u72b6\u6cc1\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u5404\u5bb6\u5ead\u306e\u7279\u5b9a\u306e\u30d4\u30fc\u30af\u96fb\u529b\u9700\u8981\u3084\u3001\u540c\u6642\u306b\u96fb\u529b\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u4ed6\u306e\u5bb6\u5ead\u306e\u6570\uff08\u3044\u308f\u3086\u308b\u591a\u69d8\u6027\u4fc2\u6570\uff09\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002A <strong>100 kVA \u30c8\u30e9\u30f3\u30b9<\/strong> \u306f\u3001\u4ee5\u4e0b\u306e\u30bf\u30a4\u30d7\u306e\u5bb6\u5ead\u306e\u3044\u305a\u308c\u304b\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\uff1aEV\u5145\u96fb\u5668\u3092\u5099\u3048\u305f\u7d045\u8ed2\u306e\u5927\u578b\u5168\u96fb\u6c17\u4f4f\u5b85\u3001\u901a\u5e38\u306e\u516c\u5171\u4e8b\u696d\u8a08\u753b\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u6cbf\u3063\u305f\u7d0414\u8ed2\u306e\u4f4f\u5b85\u3001\u307e\u305f\u306f\u8efd\u3044\u9700\u8981\u306e\u3042\u308b20-30\u8ed2\u306e\u901a\u5e38\u306e\u4f4f\u5b85\u3084\u30a2\u30d1\u30fc\u30c8\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6700\u826f\u306e\u89e3\u6c7a\u7b56\u306f\u3001\u30d4\u30fc\u30af\u9700\u8981\u3092\u63a8\u5b9a\u3059\u308b\u9069\u5207\u306a\u8ca0\u8377\u8abf\u67fb\u3092\u5b9f\u65bd\u3059\u308b\u3053\u3068\u3067\u3042\u308a\u3001\u300ckVA\u3042\u305f\u308a\u306e\u5bb6\u6570\u300d\u306b\u3064\u3044\u3066\u306e\u8fc5\u901f\u306a\u63a8\u6e2c\u3092\u884c\u3046\u3053\u3068\u306f\u3001\u5909\u5727\u5668\u306e\u904e\u8ca0\u8377\u306b\u5bc4\u4e0e\u3059\u308b\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h3>25 kVA\u306e\u5909\u5727\u5668\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p>25 kVA\u306e\u5bb9\u91cf\u3092\u6301\u3064\u5909\u5727\u5668\u306f\u3001\u96fb\u529b\u5bb9\u91cf\u306e\u89b3\u70b9\u304b\u3089\u306f\u5c0f\u578b\u30e6\u30cb\u30c3\u30c8\u3067\u3042\u308a\u300125k VA\uff08\u3059\u306a\u308f\u306125,000\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\uff09\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u308c\u306f0.8\u306e\u529b\u7387\u3067\u7d0420 kW\u306e\u6709\u52b9\u96fb\u529b\u3092\u51fa\u529b\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u5358\u76f8\u63a5\u7d9a\u3067240\u30dc\u30eb\u30c8\u306e\u5834\u5408\u3001\u3053\u306e\u30e6\u30cb\u30c3\u30c8\u306f\u7d04104\u30a2\u30f3\u30da\u30a2\u3092\u5f15\u304d\u307e\u3059\u3002\u4e00\u822c\u7684\u306b\u3001\u3053\u306e\u7a2e\u306e\u30e6\u30cb\u30c3\u30c8\u306f\u3001\u9650\u3089\u308c\u305f\u6570\u306e\u5bb6\u3001\u8fb2\u5834\u3001\u307e\u305f\u306f\u5c0f\u898f\u6a21\u30d3\u30b8\u30cd\u30b9\u306b\u96fb\u529b\u3092\u4f9b\u7d66\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u5c0f\u578b\u914d\u96fb\u5909\u5727\u5668\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/p>\n<h3>1000 kVA\u306e\u5909\u5727\u5668\u306f\u3069\u308c\u304f\u3089\u3044\u306e\u5927\u304d\u3055\u3067\u3059\u304b\uff1f<\/h3>\n<p>1000 kVA\u306b\u5b9a\u683c\u3055\u308c\u305f\u5909\u5727\u5668\u306e\u5bf8\u6cd5\u3068\u91cd\u91cf\u306f\u91cd\u8981\u3067\u3042\u308a\u3001\u3059\u3079\u3066\u306e\u5bf8\u6cd5\u3067\u5e73\u5747\u7d042\u30e1\u30fc\u30c8\u30eb\u3067\u3059\u3002\u5178\u578b\u7684\u306a\u6cb9\u5165\u308c\u5909\u5727\u5668\u306f\u3001\u9577\u3055\u304c\u7d041.8\uff5e2.1\u30e1\u30fc\u30c8\u30eb\u3001\u5e45\u304c1.1\uff5e1.4\u30e1\u30fc\u30c8\u30eb\u3001\u9ad8\u3055\u304c1.5\uff5e1.9\u30e1\u30fc\u30c8\u30eb\u3067\u3042\u308a\u3001\u305d\u306e\u91cd\u91cf\u306f\u6cb9\u3092\u542b\u3081\u3066\u7d042800 kg\u304b\u30894000 kg\u306e\u9593\u306b\u306a\u308a\u307e\u3059\u3002\u4e7e\u5f0f\u5909\u5727\u5668\u306f\u307b\u307c\u540c\u69d8\u306e\u5bf8\u6cd5\u3068\u91cd\u91cf\u3092\u6301\u3061\u3001\u7d041800 kg\u304b\u30892500 kg\u3068\u63a8\u5b9a\u3055\u308c\u307e\u3059\u3002.<\/p>\n<h2>\u53c2\u8003\u6587\u732e<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.iec.ch\" rel=\"nofollow noopener\" target=\"_blank\">IEC \u2014 IEC 60076 \u96fb\u529b\u5909\u5727\u5668\u898f\u683c<\/a><\/li>\n<li><a href=\"https:\/\/www.ieee.org\" rel=\"nofollow noopener\" target=\"_blank\">IEEE \u2014 C57 \u5909\u5727\u5668\u898f\u683c\u304a\u3088\u3073\u8ca0\u8377\u30ac\u30a4\u30c9<\/a><\/li>\n<li><a href=\"https:\/\/www.nfpa.org\" rel=\"nofollow noopener\" target=\"_blank\">NFPA \u2014 \u56fd\u5bb6\u96fb\u6c17\u898f\u5247\u3001\u8a18\u4e8b450 \u5909\u5727\u5668<\/a><\/li>\n<li><a href=\"https:\/\/electrical-engineering-portal.com\" rel=\"nofollow noopener\" target=\"_blank\">\u96fb\u6c17\u5de5\u5b66\u30dd\u30fc\u30bf\u30eb \u2014 \u5909\u5727\u5668\u306e\u30b5\u30a4\u30ba\u8a08\u7b97\u3068\u8a08\u7b97<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Transformer\" rel=\"nofollow noopener\" target=\"_blank\">\u30a6\u30a3\u30ad\u30da\u30c7\u30a3\u30a2 \u2014 \u5909\u5727\u5668\u304a\u3088\u3073\u914d\u96fb\u5909\u5727\u5668\u306e\u6982\u8981<\/a><\/li>\n<\/ul>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u540d\u672d\u306e\u6570\u5b57\u304c\u30e6\u30cb\u30c3\u30c8\u304c\u5b89\u5168\u306b\u904b\u3076\u3053\u3068\u304c\u3067\u304d\u308b\u898b\u304b\u3051\u306e\u96fb\u529b\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308b\u3068\u3001\u5168\u4f53\u306e\u30c6\u30fc\u30de\u304c\u958b\u304b\u308c\u307e\u3059\u3002A <strong>kVA\u5909\u5727\u5668<\/strong> \u306fkVA\u3067\u5b9a\u683c\u3055\u308c\u3066\u3044\u308b\u306e\u306f\u3001\u305d\u306e\u6e2c\u5b9a\u304c\u5dfb\u7dda\u304c\u611f\u3058\u308b\u5168\u8ca0\u8377\u3092\u6349\u3048\u308b\u304b\u3089\u3067\u3042\u308a\u3001\u5358\u7d14\u306a\u5f0f\u3067\u305d\u306e\u5b9a\u683c\u3092\u30a2\u30f3\u30da\u30a2\u306b\u5909\u63db\u3057\u3001\u9069\u5207\u306a\u30b5\u30a4\u30ba\u8a2d\u5b9a\u306f\u4f59\u88d5\u3092\u6301\u3063\u3066\u30d4\u30fc\u30af\u3092\u8a08\u753b\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u5c0f\u578b\u914d\u96fb\u30e6\u30cb\u30c3\u30c8\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u3067\u3082\u3001\u5927\u578b\u5909\u96fb\u6240\u5909\u5727\u5668\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u3067\u3082\u3001Subian Power\u306f\u4e7e\u5f0f\u304a\u3088\u3073\u6cb9\u6d78\u578b\u306e\u4e21\u65b9\u3092\u88fd\u9020\u3057\u3066\u3044\u307e\u3059\u3002 <strong>kVA\u5909\u5727\u5668<\/strong> \u5e45\u5e83\u3044\u7bc4\u56f2\u3067\u3001\u8ca0\u8377\u306b\u9069\u3057\u305f\u5b9a\u683c\u3092\u9078\u629e\u3059\u308b\u624b\u52a9\u3051\u304c\u3067\u304d\u307e\u3059\u3002\u30e6\u30cb\u30c3\u30c8\u306e\u30b5\u30a4\u30ba\u3092\u6c7a\u5b9a\u3059\u308b\u304b\u3001\u898b\u7a4d\u3082\u308a\u3092\u4f9d\u983c\u3059\u308b\u306b\u306f\u3001\u9023\u7d61\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/subian-electric.com\/ja\/contact-us\/\">Subian Power\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>If you are new to the electrical world, few labels look more confusing than the one bolted to the side of a transformer. It usually starts with a number and three letters: 25 kVA, 100 kVA, 1000 kVA. That number is the single most important thing about the unit, yet almost nobody explains what it actually means. This guide fixes that. In plain language, it explains what a kVA transformer is, what the kVA number tells you, how to turn it into amps, and how engineers pick the right size. By the end, the nameplate will make sense, and you will be able to answer the questions that beginners ask [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":11616,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-11614","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\/11614","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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/comments?post=11614"}],"version-history":[{"count":1,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/posts\/11614\/revisions"}],"predecessor-version":[{"id":11618,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/posts\/11614\/revisions\/11618"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/media\/11616"}],"wp:attachment":[{"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/media?parent=11614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/categories?post=11614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/tags?post=11614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}