{"id":10523,"date":"2026-08-29T23:43:04","date_gmt":"2026-08-29T15:43:04","guid":{"rendered":"https:\/\/q8bbzjnpm5.wpdns.site\/?p=10523"},"modified":"2026-08-29T23:43:04","modified_gmt":"2026-08-29T15:43:04","slug":"transformer-ratio-the-regulating-valve-for-stable-operation-of-power-systems","status":"publish","type":"post","link":"https:\/\/subian-electric.com\/ja\/news\/transformer-ratio-the-regulating-valve-for-stable-operation-of-power-systems\/","title":{"rendered":"\u30c8\u30e9\u30f3\u30b9\u6bd4: \u96fb\u529b\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5b9a\u904b\u7528\u306e\u305f\u3081\u306e\u300c\u8abf\u6574\u5f01\u300d"},"content":{"rendered":"<p>\u3042\u308b\u5909\u96fb\u6240\u306e\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u306f\u3001\u96f7\u96e8\u304c\u5230\u6765\u3057\u3001110 kV\u306e\u96fb\u529b\u30e9\u30a4\u30f3\u304c108 kV\u304b\u3089116 kV\u306b\u5909\u308f\u3063\u305f\u3068\u304d\u3001\u4eca\u65e5\u5f7c\u306e\u96fb\u5b50\u30e1\u30fc\u30bf\u30fc\u3092\u898b\u307e\u3057\u305f\u3002\u305d\u308c\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u4e8c\u6b21\u5074\u306e20 kV\u30d0\u30b9\u306f\u540c\u6642\u306b19.9 kV\u304b\u308920.1 kV\u306e\u9593\u306e\u5024\u3092\u793a\u3057\u307e\u3057\u305f\u3002\u305d\u3053\u3067\u50cd\u3044\u3066\u3044\u308b\u6a5f\u5668\u306f\u3001\u8ca0\u8377\u6642\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u3068\u547c\u3070\u308c\u3066\u3044\u307e\u3059\uff1a\u5909\u5727\u5668\u6bd4\u306f\u6bb5\u968e\u7684\u306b\u4fee\u6b63\u3055\u308c\u307e\u3059\u3002.<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u306f\u3001\u5909\u5727\u5668\u6bd4\u3068\u306f\u4f55\u304b\u3001\u3069\u306e\u3088\u3046\u306b\u8a08\u7b97\u3055\u308c\u308b\u304b\u3001\u4f55\u3068\u306e\u95a2\u4fc2\u304c\u3042\u308b\u304b\u3092\u89e3\u91c8\u3057\u307e\u3059\u3002 <strong>\u5909\u5727\u5668\u6bd4<\/strong> \u304a\u3088\u3073\u96fb\u5727\u5b89\u5b9a\u6027\u3001\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u304c\u305d\u306e\u77ac\u9593\u306b\u5909\u5727\u5668\u6bd4\u3092\u3069\u306e\u3088\u3046\u306b\u5b89\u5b9a\u3055\u305b\u308b\u304b\u3001\u5909\u5727\u5668\u6bd4\u30a8\u30e9\u30fc\u304c\u3042\u308b\u5834\u5408\u306b\u3069\u306e\u3088\u3046\u306a\u7d50\u679c\u304c\u5f97\u3089\u308c\u308b\u304b\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u8a08\u7b97\u306e\u4f8b\u306f\u3001IEC 60076\u304a\u3088\u3073IEEE C57\u898f\u683c\u3078\u306e\u53c2\u7167\u3068\u3068\u3082\u306b\u8ad6\u6587\u306b\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5178\u578b\u7684\u306a\u30bf\u30c3\u30d7\u7bc4\u56f2\u3001\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u306e\u30b3\u30b9\u30c8\u306a\u3069\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10525\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/Tap-Changers-Parallel-Matching-Ratio-Testing.webp\" alt=\"\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2 id=\"definition\">\u5909\u5727\u5668\u6bd4\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f\uff08\u5b9a\u7fa9\u3068\u516c\u5f0f\uff09<\/h2>\n<p>\u5909\u5727\u5668\u6bd4\u307e\u305f\u306f\u30bf\u30fc\u30f3\u6bd4\u306f\u3001\u4e00\u6b21\u5dfb\u7dda\u306e\u30bf\u30fc\u30f3\u6570\u3068\u4e8c\u6b21\u5dfb\u7dda\u306e\u30bf\u30fc\u30f3\u6570\u306e\u6bd4\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u4e00\u6b21\u96fb\u5727\u3068\u4e8c\u6b21\u96fb\u5727\u306e\u6bd4\u3001\u304a\u3088\u3073\u7406\u8ad6\u7684\u306a\u5834\u5408\u306b\u304a\u3051\u308b\u4e00\u6b21\u96fb\u6d41\u3068\u4e8c\u6b21\u96fb\u6d41\u306e\u9006\u6bd4\u306b\u7b49\u3057\u3044\u3067\u3059\u3002.<br \/>\nN1\/N2 = V1\/V2 = I2\/I1\u3002.<br \/>\n\u5b9f\u969b\u306e\u5909\u5727\u5668\u306f\u7406\u60f3\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5b9f\u969b\u306e\u5909\u5727\u5668\u3067\u306f\u3001\u6f0f\u308c\u30ea\u30a2\u30af\u30bf\u30f3\u30b9\u3068\u5dfb\u7dda\u306e\u62b5\u6297\u304c\u96fb\u5727\u964d\u4e0b\u3092\u5f15\u304d\u8d77\u3053\u3057\u3001\u5b9f\u969b\u306e\u96fb\u5727\u304c\u7121\u8ca0\u8377\u6642\u306e\u96fb\u5727\u3088\u308a\u3082\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002\u96fb\u5727\u306e\u30d1\u30fc\u30bb\u30f3\u30c8\u3067\u306e\u5dee\u306f <strong>\u96fb\u5727\u8abf\u6574<\/strong> \u5909\u5727\u5668\u306e\u7279\u6027\u306b\u5fdc\u3058\u3066\u7d042%-6%\u3067\u3059\u3002.<br \/>\n\u6b21\u306e\u5b9a\u7fa9\u306f\u5951\u7d04\u3067\u4e92\u63db\u7684\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\uff1a<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\n<caption>\u5909\u5727\u5668\u6bd4\u306e\u7528\u8a9e<\/caption>\n<tbody>\n<tr>\n<th>\u7528\u8a9e<\/th>\n<th>\u610f\u5473<\/th>\n<th>\u4f8b<\/th>\n<\/tr>\n<tr>\n<td>\u30bf\u30fc\u30f3\u6bd4<\/td>\n<td>N1 \/ N2\uff08\u7d14\u7c8b\u306a\u5dfb\u7dda\u30b8\u30aa\u30e1\u30c8\u30ea\uff09<\/td>\n<td>550 \/ 100 = 5.5<\/td>\n<\/tr>\n<tr>\n<td>\u96fb\u5727\u6bd4<\/td>\n<td>\u7121\u8ca0\u8377\u6642\u306eV1 \/ V2<\/td>\n<td>110 kV \/ 20 kV = 5.5<\/td>\n<\/tr>\n<tr>\n<td>\u8abf\u6574<\/td>\n<td>\u7121\u8ca0\u8377\u304b\u3089\u30d5\u30eb\u30ed\u30fc\u30c9\u3078\u306e\u96fb\u5727\u964d\u4e0b<\/td>\n<td>2.5%\u20136%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"calculation\">\u5909\u5727\u5668\u6bd4\u306e\u8a08\u7b97\u65b9\u6cd5\uff1a\u5b9f\u4f8b<\/h2>\n<p>\u6bd4\u3092\u6c7a\u5b9a\u3059\u308b\u306e\u306f\u3001\u96fb\u5727\u307e\u305f\u306f\u30bf\u30fc\u30f3\u6570\u3092\u77e5\u3063\u3066\u3044\u308c\u3070\u7c21\u5358\u3067\u3059\u3002.<\/p>\n<p>\u4f8b\u3048\u3070\uff1a<br \/>\n110 kV\/20 kV\u306e\u96fb\u5727\u5909\u5727\u5668\u306f110:20\u3067\u3001\u4e00\u6b21\u306b2200\u30bf\u30fc\u30f3\u304c\u3042\u308b\u5834\u5408\u3001\u4e8c\u6b21\u306b\u306f400\u30bf\u30fc\u30f3\u304c\u3042\u308a\u307e\u3059\u3002.<br \/>\n\u9ad8\u96fb\u5727\u5909\u5727\u5668\u306e\u5834\u5408\u300118 kV \u2013 400 kV\u306e\u6bd4\u306f\uff08400\/18 = 22.2\uff09\u306b\u306a\u308a\u307e\u3059\u3002.<br \/>\n\u914d\u96fb\u5909\u5727\u5668\u306f\u901a\u5e38\u300111 kV\/0.4 kV\u306e\u96fb\u5727\u6bd4\u3092\u6301\u3061\u3001\u6bd4\u306f11\/0.4 = 27.5:1\u3067\u3059\u3002.<br \/>\n\u81ea\u52d5\u5909\u5727\u5668\u306e\u69cb\u9020\u306b\u3088\u308a\u3001\u540c\u3058\u96fb\u5727\u6bd42:1\u306b\u5bfe\u3057\u3066\u30bf\u30fc\u30f3\u6570\u304c\u5c11\u306a\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n<p>\u4e09\u76f8\u30b7\u30b9\u30c6\u30e0\u3067\u52d5\u4f5c\u3059\u308b\u5909\u5727\u5668\u306e\u5834\u5408\u3001\u30e9\u30a4\u30f3\u9593\u96fb\u5727\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u30d9\u30af\u30c8\u30eb\u30b0\u30eb\u30fc\u30d7\uff08Dyn11\u3001YNd11\uff09\u306f\u4f4d\u76f8\u30b7\u30d5\u30c8\u3068\u30b7\u30b9\u30c6\u30e0\u306e\u5927\u304d\u3055\u6bd4\u306e\u95a2\u4fc2\u3092\u6c7a\u5b9a\u3059\u308b\u4e0a\u3067\u91cd\u8981\u3067\u3059\u3002.<\/p>\n<h2 id=\"regulation\">\u306a\u305c\u6bd4\u304c\u30b0\u30ea\u30c3\u30c9\u306e\u8abf\u6574\u5f01\u306a\u306e\u304b<\/h2>\n<p>\u9001\u96fb\u7dda\u4e0a\u306e\u96fb\u5727\u5909\u52d5\u306f\u3001\u8ca0\u8377\u306e\u5909\u52d5\u3001\u767a\u96fb\u6a5f\u306e\u6545\u969c\u3001\u7121\u52b9\u96fb\u529b\u640d\u5931\u3001\u53ca\u3073\u96fb\u6e90\u304b\u3089\u306e\u8ddd\u96e2\u306a\u3069\u3001\u3044\u304f\u3064\u304b\u306e\u8981\u56e0\u306b\u3088\u3063\u3066\u767a\u751f\u3057\u307e\u3059\u3002\u6bd4\u7387\u3092\u8abf\u6574\u3057\u306a\u3044\u5834\u5408\u3001\u30d5\u30a3\u30fc\u30c0\u30fc\u306f1\u65e5\u306e\u9593\u306b5%\u304b\u308910%\u306e\u96fb\u5727\u5909\u52d5\u3092\u7d4c\u9a13\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5909\u5727\u5668\u6bd4\u306f\u3001\u5dfb\u6570\u3068\u51fa\u529b\u96fb\u5727\u306e\u9593\u306b\u76f4\u63a5\u7684\u306a\u95a2\u4fc2\u304c\u3042\u308b\u305f\u3081\u3001\u96fb\u5727\u306e\u5909\u52d5\u306e\u5229\u70b9\u3092\u88dc\u511f\u3059\u308b\u5b9f\u7528\u7684\u306a\u624b\u6bb5\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u3044\u304b\u306a\u308b\u5909\u5316\u3082\u5bfe\u5fdc\u3059\u308b\u5909\u52d5\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002.<br \/>\n\u30b7\u30b9\u30c6\u30e0\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u306f\u3001\u898f\u5236\u306b\u3088\u3063\u3066\u8a2d\u5b9a\u3055\u308c\u305f\u6cd5\u7684\u9650\u754c\u5185\u3067\u96fb\u5727\u3092\u7dad\u6301\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u914d\u96fb\u90e8\u9580\u3067\u306f\u00b15%\u3001\u9001\u96fb\u90e8\u9580\u3067\u306f\u00b110%\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3067\u6700\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u65b9\u6cd5\u306fOLTC\u3067\u3042\u308a\u3001\u5909\u5727\u5668\u6bd4\u3092\u8abf\u6574\u3057\u307e\u3059\u3002\u5b9f\u969b\u3001OLTC\u306f\u975e\u5e38\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001OLTC\u306a\u3057\u306e\u5909\u5727\u5668\u3092\u6301\u3064\u3053\u3068\u306b\u306f\u66f8\u9762\u3067\u306e\u6b63\u5f53\u5316\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n<h2 id=\"tap\">\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\uff1a\u6bd4\u7387\u3092\u8abf\u6574\u3059\u308b\u30e1\u30ab\u30cb\u30ba\u30e0<\/h2>\n<p>??\u306e\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u306e\u30d5\u30a1\u30df\u30ea\u30fc\u304c\u5b58\u5728\u3057\u3001\u305d\u308c\u3089\u306e\u9593\u3067\u9078\u629e\u3059\u308b\u3053\u3068\u306f\u4e3b\u306b\u30c7\u30e5\u30fc\u30c6\u30a3\u30b5\u30a4\u30af\u30eb\u306e\u554f\u984c\u3067\u3059\uff1a<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\n<caption>\u30aa\u30d5\u56de\u8def\u5bfe\u8ca0\u8377\u6642\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc<\/caption>\n<tbody>\n<tr>\n<th>\u8996\u70b9<\/th>\n<th>\u30aa\u30d5\u30b5\u30fc\u30ad\u30c3\u30c8\uff08DETC\uff09<\/th>\n<th>\u8ca0\u8377\u6642\uff08OLTC\uff09<\/th>\n<\/tr>\n<tr>\n<td>\u64cd\u4f5c<\/td>\n<td>\u975e\u901a\u96fb\u6642\u306e\u307f<\/td>\n<td>\u8ca0\u8377\u4e0b\u3001\u81ea\u52d5<\/td>\n<\/tr>\n<tr>\n<td>\u4e00\u822c\u7684\u306a\u30bf\u30c3\u30d7\u7bc4\u56f2<\/td>\n<td>\u00b12.5%\u304b\u3089\u00b15%<\/td>\n<td>\u00b110%\u304b\u3089\u00b116%<\/td>\n<\/tr>\n<tr>\n<td>\u30b9\u30c6\u30c3\u30d7<\/td>\n<td>3\u20135<\/td>\n<td>13\u201317\uff08\u54041.25%\u20132.5%\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u8abf\u6574\u80fd\u529b<\/td>\n<td>\u5b63\u7bc0\u7684\u306e\u307f<\/td>\n<td>\u9023\u7d9a\u3001\u81ea\u52d5\uff08\u00b12%\u4fdd\u6301\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u4fa1\u683c\u30d7\u30ec\u30df\u30a2\u30e0<\/td>\n<td>\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3<\/td>\n<td>+$15,000\u2013$60,000\u306f\u5b9a\u683c\u306b\u5fdc\u3058\u3066<\/td>\n<\/tr>\n<tr>\n<td>\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b<\/td>\n<td>\u914d\u96fb\u7528\u5909\u5727\u5668<\/td>\n<td>\u96fb\u529b\u5909\u5727\u5668 \u22655 MVA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>OLTC\u304c\u96fb\u6d41\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u9593\u3001\u62b5\u6297\u5668\u3084\u30ea\u30a2\u30af\u30bf\u3001\u53ca\u3073\u9ad8\u901f\u771f\u7a7a\u906e\u65ad\u5668\u3092\u4f7f\u7528\u3057\u3066\u3001\u56fa\u5b9a\u30bf\u30c3\u30d7\u304b\u3089\u5207\u308a\u66ff\u3048\u308b\u969b\u306e\u4e3b\u63a5\u70b9\u3067\u306e\u96fb\u6c17\u30a2\u30fc\u30af\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u307e\u3059\u3002\u73fe\u4ee3\u306e\u30e2\u30fc\u30bf\u30fc\u5236\u5fa1OLTC\u306f\u3001\u30b5\u30a4\u30af\u30eb\u3092\u5b8c\u4e86\u3059\u308b\u306e\u306b\u7d042\u301c10\u79d2\u304b\u304b\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306f\u5909\u5727\u5668\u306e\u4e8c\u6b21\u5074\u304b\u3089\u306e\u96fb\u5727\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3067\u304d\u307e\u3059\u3002.<\/p>\n<h2 id=\"parallel\">\u4e26\u5217\u904b\u8ee2\u306e\u305f\u3081\u306e\u6bd4\u7387\u8abf\u6574<\/h2>\n<p>\u540c\u3058\u30d0\u30b9\u306b\u540c\u6642\u306b2\u3064\u306e\u5909\u5727\u5668\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u6bd4\u7387\u3092\u5bc6\u63a5\u306b\u4e00\u81f4\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6bd4\u7387\u306e\u9055\u3044\u0394%\u306f\u3001\u3044\u308f\u3086\u308b\u5faa\u74b0\u96fb\u6d41\u3092\u751f\u6210\u3057\u3001\u30a2\u30a4\u30c9\u30eb\u72b6\u614b\u3067\u3082\u56de\u8def\u306b\u53c2\u52a0\u3057\u307e\u3059\u3002.<\/p>\n<p>\u4e00\u3064\u306e\u30a2\u30c9\u30d0\u30a4\u30b9\u306f\u3001\u5faa\u74b0\u96fb\u6d41\u3092\u5c0f\u3055\u3044\u5909\u5727\u5668\u306e\u5bb9\u91cf\u306e10%\u672a\u6e80\u306b\u4fdd\u3064\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3059\u3002.<br \/>\n\u6bd4\u7387\u306e1%\u306e\u9055\u3044\u306e\u5f71\u97ff\u306f\u3001\u901a\u5e38\u300120 MVA \/ 110 kV\u306e2\u3064\u306e\u5909\u5727\u5668\u306e\u5bb9\u91cf\u306e2%-5%\u306e\u5faa\u74b0\u96fb\u6d41\u306b\u4f9d\u5b58\u3057\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\uff08\u901a\u5e38\u306f10%\uff09\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002.<br \/>\n\u5909\u5727\u5668\u306f\u3001\u540c\u3058\u30d9\u30af\u30c8\u30eb\u30b0\u30eb\u30fc\u30d7\u3001\u6bd4\u7387\u304c\u4e00\u81f4\u3059\u308b\u3053\u3068\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c10%\u4ee5\u4e0a\u5909\u52d5\u3057\u306a\u3044\u3053\u3068\u306a\u3069\u3001\u3044\u304f\u3064\u304b\u306e\u57fa\u672c\u6761\u4ef6\u306b\u5f93\u3063\u3066\u904b\u8ee2\u3055\u308c\u308b\u3079\u304d\u3067\u3059\u3002.<\/p>\n<p>\u3053\u308c\u3092\u8003\u616e\u3059\u308b\u305f\u3081\u306b\u3001\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u306f\u5404\u5909\u5727\u5668\u306e\u30bf\u30c3\u30d7\u4f4d\u7f6e\u3092\u5909\u66f4\u3057\u3066\u305d\u308c\u3089\u3092\u7b49\u3057\u304f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u591a\u304f\u306e\u73fe\u4ee3\u306eAVR\u306b\u306f\u3053\u306e\u76ee\u7684\u306e\u305f\u3081\u306e\u30de\u30b9\u30bf\u30fc\u30d5\u30a9\u30ed\u30ef\u30fc\u30b9\u30ad\u30fc\u30e0\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h2 id=\"effects\">\u8aa4\u3063\u305f\u6bd4\u7387\u306e\u5f71\u97ff\uff1a\u5faa\u74b0\u96fb\u6d41\u3068\u4fdd\u8b77\u306e\u554f\u984c<\/h2>\n<p>\u30ea\u30ec\u30fc\u306e\u5b9a\u683c\u306b\u3088\u308b\u30ea\u30ec\u30fc\u306e\u8aa4\u52d5\u4f5c\u306f\u3001\u8aa4\u3063\u305f\u30ea\u30ec\u30fc\u8a2d\u5b9a\u306b\u3088\u3063\u3066\u4fdd\u8b77\u306e\u6a5f\u80fd\u4e0d\u5168\u3092\u5f15\u304d\u8d77\u3053\u3057\u3001\u9069\u5207\u306a\u6545\u969c\u306a\u3057\u306b\u4fdd\u8b77\u88c5\u7f6e\u304c\u4f5c\u52d5\u3057\u305f\u308a\u30012%-5%\u306e\u8aa4\u5dee\u306b\u3088\u308a\u5b9f\u969b\u306e\u5185\u90e8\u6b20\u9665\u3092\u691c\u51fa\u3067\u304d\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<br \/>\n\u96fb\u5727\u306e\u5909\u5316\u306f\u3001\u30af\u30ea\u30fc\u30af\u306b\u6cbf\u3063\u305f\u96fb\u5727\u3092\u5916\u90e8\u306e\u9650\u754c\u306b\u62bc\u3057\u8fbc\u3080\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<br \/>\n\u8ca0\u8377\u72b6\u6cc1\u306e\u4e0d\u5747\u8861\u306f\u3001\u6bd4\u7387\u304c\u9ad8\u3044\u30e6\u30cb\u30c3\u30c8\u304c\u30a2\u30af\u30c6\u30a3\u30d6\u304a\u3088\u3073\u30ea\u30a2\u30af\u30c6\u30a3\u30d6\u30d1\u30ef\u30fc\u306e\u304b\u306a\u308a\u306e\u5272\u5408\u3092\u6d88\u8cbb\u3057\u3001\u305d\u306e\u8001\u5316\u3092\u52a0\u901f\u3055\u305b\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002.<br \/>\n\u305d\u306e\u305f\u3081\u3001\u6bd4\u7387\u30c1\u30a7\u30c3\u30af\u306f\u3001\u4e3b\u30bf\u30c3\u30d4\u30f3\u30b0\u306e\u96fb\u5727\u6bd4\u304c\u8a2d\u8a08\u5024\u304b\u3089\u00b10.5%\u3092\u8d85\u3048\u3066\u306f\u306a\u3089\u306a\u3044\u3068\u3044\u3046IEC 60076-1\u306e\u8981\u4ef6\u306b\u5f93\u3063\u305f\u8a66\u904b\u8ee2\u306e\u30b9\u30c6\u30c3\u30d7\u306e\u4e00\u3064\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u3059\u3079\u3066\u306e\u30bf\u30c3\u30d7\u306f\u540d\u677f\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u78ba\u8a8d\u3055\u308c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n<h2 id=\"testing\">\u6bd4\u7387\u8a66\u9a13\u65b9\u6cd5\u3068\u57fa\u6e96<\/h2>\n<p>\u6a19\u6e96\u7684\u306a\u30d5\u30a3\u30fc\u30eb\u30c9\u30c6\u30b9\u30c8\u306f\u3001\u5909\u5727\u5668\u306e\u30bf\u30fc\u30f3\u6bd4\uff08TTR\uff09\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u884c\u308f\u308c\u308b\u30bf\u30fc\u30f3\u6bd4\u30c6\u30b9\u30c8\u3067\u3059\uff1a<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\n<caption>\u6bd4\u7387\u8a66\u9a13\u65b9\u6cd5<\/caption>\n<tbody>\n<tr>\n<th>\u65b9\u6cd5<\/th>\n<th>\u539f\u7406<\/th>\n<th>\u7cbe\u5ea6<\/th>\n<th>\u4e00\u822c\u7684\u306a\u4f7f\u7528<\/th>\n<\/tr>\n<tr>\n<td>TTR\u30e1\u30fc\u30bf\u30fc\uff08TTR\u30c6\u30b9\u30c8\uff09<\/td>\n<td>\u5404\u30bf\u30c3\u30d7\u3067\u6ce8\u5165\u3055\u308c\u305f\u96fb\u5727\u3068\u8a98\u5c0e\u3055\u308c\u305f\u96fb\u5727\u3092\u6bd4\u8f03\u3057\u307e\u3059<\/td>\n<td>\u00b10.1%<\/td>\n<td>\u8a66\u904b\u8ee2\u3001\u5b9a\u671f\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/td>\n<\/tr>\n<tr>\n<td>\u7121\u8ca0\u8377\u6642\u306e\u96fb\u5727\u6bd4\u30c1\u30a7\u30c3\u30af<\/td>\n<td>\u96fb\u5727\u3092\u4f4e\u4e0b\u3055\u305b\u3001\u4e21\u5074\u3092\u6e2c\u5b9a\u3057\u307e\u3059<\/td>\n<td>\u00b10.3%<\/td>\n<td>\u73fe\u5834\u78ba\u8a8d<\/td>\n<\/tr>\n<tr>\n<td>\u9759\u96fb\u5bb9\u91cf\u6bd4\/\u4f4e\u96fb\u5727\u30c6\u30b9\u30c8<\/td>\n<td>\u9759\u96fb\u7d50\u5408\u306b\u3088\u308b\u7b49\u4fa1\u6bd4<\/td>\n<td>\u00b10.5%<\/td>\n<td>\u5de5\u5834\u578b\u8a66\u9a13<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5de5\u5834\u8a66\u9a13\u3068\u73fe\u5834\u8a66\u9a13\u306f\u3001IEC 60076-1\u304a\u3088\u3073IEEE C57.12.90\u306b\u7531\u6765\u3057\u307e\u3059\u3002TTR\u30c6\u30b9\u30c8\u306f\u3001\u540c\u3058\u30e6\u30cb\u30c3\u30c8\u3067\u884c\u308f\u308c\u305f\u7570\u306a\u308b\u30c6\u30b9\u30c8\u9593\u306e\u6bd4\u7387\u306e\u5909\u52d5\u304c\u3001\u5dfb\u7dda\u306e\u77ed\u7d61\u3092\u793a\u3059\u3053\u3068\u304c\u591a\u3044\u305f\u3081\u3001\u4e3b\u8981\u306a\u8a3a\u65ad\u30c6\u30b9\u30c8\u3068\u898b\u306a\u3055\u308c\u3066\u304a\u308a\u3001\u5e74\u6b21\u6bd4\u7387\u30c6\u30b9\u30c8\u306f\u76e3\u8996\u306e\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002.<\/p>\n<h2 id=\"specs\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5225\u306e\u5178\u578b\u7684\u306a\u6bd4\u7387\u3068\u30bf\u30c3\u30d7\u7bc4\u56f2<\/h2>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\n<caption>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5168\u4f53\u306e\u5178\u578b\u7684\u306a\u6bd4\u7387\u3068\u30bf\u30c3\u30d7\u7bc4\u56f2<\/caption>\n<tbody>\n<tr>\n<th>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/th>\n<th>\u5178\u578b\u7684\u306a\u6bd4\u7387<\/th>\n<th>\u30bf\u30c3\u30d7\u7bc4\u56f2<\/th>\n<th>\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc<\/th>\n<\/tr>\n<tr>\n<td>\u767a\u96fb\u6240\u306eGSU<\/td>\n<td>18\/400 kV (22.2:1)<\/td>\n<td>\u00b17.5%\u306e5\u30b9\u30c6\u30c3\u30d7<\/td>\n<td>\u30aa\u30d5\u56de\u8def\u3001\u6642\u3005OLTC<\/td>\n<\/tr>\n<tr>\n<td>\u9001\u96fb\u5909\u96fb\u6240<\/td>\n<td>220\/110 kV (2:1)<\/td>\n<td>\u00b116%\u306e17\u30b9\u30c6\u30c3\u30d7<\/td>\n<td>OLTC<\/td>\n<\/tr>\n<tr>\n<td>\u30b5\u30d6\u9001\u96fb<\/td>\n<td>110\/20 kV (5.5:1)<\/td>\n<td>\u00b112%\u306e13\u30b9\u30c6\u30c3\u30d7<\/td>\n<td>OLTC<\/td>\n<\/tr>\n<tr>\n<td>\u7523\u696d\u7528\u96fb\u529b<\/td>\n<td>33\/11 kV (3:1)<\/td>\n<td>\u00b110%\u306e9\u30b9\u30c6\u30c3\u30d7<\/td>\n<td>OLTC\u307e\u305f\u306f\u30aa\u30d5\u56de\u8def<\/td>\n<\/tr>\n<tr>\n<td>\u914d\u96fb<\/td>\n<td>11\/0.4 kV (27.5:1)<\/td>\n<td>\u00b12.5%\u30aa\u30d5\u56de\u8def<\/td>\n<td>\u30aa\u30d5\u56de\u8def<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u914d\u96fb\u7528\u5909\u5727\u5668\u306f\u5b9a\u671f\u7684\u306a\u8abf\u6574\u306e\u307f\u3092\u5fc5\u8981\u3068\u3059\u308b\u305f\u3081\u3001\u00b12.5%\u304a\u3088\u3073\u00b15%\u306e\u30aa\u30d5\u30ed\u30fc\u30c9\u30bf\u30c3\u30d7\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u5b63\u7bc0\u7684\u306a\u8ca0\u8377\u5909\u52d5\u306b\u5bfe\u5fdc\u3059\u308b\u306e\u306b\u5341\u5206\u3067\u3059\u3002\u305d\u308c\u306b\u5bfe\u3057\u3066\u3001\u9001\u96fb\u304a\u3088\u3073\u30b5\u30d6\u9001\u96fb\u7528\u5909\u5727\u5668\u306f\u3001\u9001\u96fb\u96fb\u5727\u306e\u5f71\u97ff\u3092\u76f4\u63a5\u53d7\u3051\u308b\u5927\u898f\u6a21\u306a\u9867\u5ba2\u30b0\u30eb\u30fc\u30d7\u304c\u3042\u308b\u305f\u3081\u3001OLTC\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h2 id=\"prices\">\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u3068\u5909\u5727\u5668\u306e\u4fa1\u683c\u5f71\u97ff<\/h2>\n<p>\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u306e\u9078\u629e\u306f\u3001\u3059\u3079\u3066\u306e\u5909\u5727\u5668\u4e88\u7b97\u306b\u304a\u3051\u308b\u5b9f\u969b\u306e\u9805\u76ee\u3067\u3059\u3002\u8a08\u753b\u7bc4\u56f2\uff1a<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\n<caption>\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u9078\u629e\u306e\u4fa1\u683c\u5f71\u97ff<\/caption>\n<tbody>\n<tr>\n<th>\u5909\u5727\u5668<\/th>\n<th>OLTC\u306a\u3057<\/th>\n<th>OLTC\u3092\u4f7f\u7528\u3057\u3066<\/th>\n<th>\u30d7\u30ec\u30df\u30a2\u30e0<\/th>\n<\/tr>\n<tr>\n<td>5 MVA \/ 33 kV<\/td>\n<td>$55,000\u2013$90,000<\/td>\n<td>$75,000\u2013$130,000<\/td>\n<td>+$15,000\u2013$40,000<\/td>\n<\/tr>\n<tr>\n<td>20 MVA \/ 110 kV<\/td>\n<td>$150,000\u2013$260,000<\/td>\n<td>$175,000\u2013$320,000<\/td>\n<td>+$20,000\u2013$60,000<\/td>\n<\/tr>\n<tr>\n<td>50 MVA \/ 110 kV<\/td>\n<td>$360,000\u2013$700,000<\/td>\n<td>$400,000\u2013$800,000<\/td>\n<td>+$25,000\u2013$90,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6599\u91d1\u306f\u4ed5\u69d8\u306e\u7a2e\u985e\u3001\u30d6\u30e9\u30f3\u30c9\u3001\u304a\u3088\u3073\u5730\u57df\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u30b0\u30ea\u30c3\u30c9\u63a5\u7d9a\u30e6\u30cb\u30c3\u30c8\u306b\u95a2\u308f\u308b\u9ad8\u3044\u8cbb\u7528\u306f\u77ed\u671f\u9593\u3067\u56de\u53ce\u3055\u308c\u307e\u3059\uff1a\u8ca0\u8377\u6642\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\uff08OLTC\uff09\u306f\u3001\u96fb\u5727\u3092\u8abf\u6574\u3057\u3001\u30d5\u30a3\u30fc\u30c0\u30fc\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u640d\u5931\u3092\u6e1b\u5c11\u3055\u305b\u308b\u305f\u3081\u3001\u30b3\u30b9\u30c8\u3092\u8fc5\u901f\u306b\u56de\u53ce\u3067\u304d\u307e\u3059\u3002.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10526\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/How-Transformer-Ratio-Works.webp\" alt=\"\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2 id=\"brands\">\u30d6\u30e9\u30f3\u30c9\u3068\u6bd4\u7387\u8a2d\u8a08\u306e\u9055\u3044<\/h2>\n<p>\u6bd4\u7387\u306e\u6570\u5b66\u306f\u3001\u767a\u4fe1\u5143\u306e\u4f1a\u793e\u306b\u95a2\u4fc2\u306a\u304f\u540c\u3058\u3067\u3059 \u2014 \u7269\u7406\u5b66\u306f\u4ea4\u6e09\u306e\u4f59\u5730\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u30e1\u30fc\u30ab\u30fc\u306f\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u306e\u8a2d\u8a08\u3001\u5236\u5fa1\u3001\u54c1\u8cea\u7ba1\u7406\u3001\u4fa1\u683c\u8a2d\u5b9a\u306e\u7a2e\u985e\u306b\u57fa\u3065\u3044\u3066\u81ea\u3089\u3092\u533a\u5225\u3057\u307e\u3059\u3002\u4fe1\u983c\u6027\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u306f\u3001MR\uff08\u30de\u30b7\u30fc\u30cd\u30f3\u30d5\u30a1\u30d6\u30ea\u30c3\u30af\u30fb\u30e9\u30a4\u30f3\u30cf\u30a6\u30bc\u30f3\uff09\u3068ABB\u306e\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u306b\u3088\u3063\u3066\u8a2d\u5b9a\u3055\u308c\u3066\u304a\u308a\u3001\u30a2\u30b8\u30a2\u306e\u4f01\u696d\u306f\u30e9\u30a4\u30bb\u30f3\u30b9\u3092\u53d6\u5f97\u3057\u305f\u308a\u3001\u81ea\u793e\u958b\u767a\u3057\u305fOLTC\u8a2d\u8a08\u3092\u5b89\u4fa1\u3067\u5229\u7528\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\n<caption>\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\u30d6\u30e9\u30f3\u30c9\u3068\u30bf\u30c3\u30d7\u5909\u66f4\u80fd\u529b<\/caption>\n<tbody>\n<tr>\n<th>\u30d6\u30e9\u30f3\u30c9<\/th>\n<th>\u56fd<\/th>\n<th>\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u306e\u5f37\u307f<\/th>\n<th>\u53c2\u8003\u4fa1\u683c\uff0820 MVA\/110 kV\u3001OLTC\u4ed8\u304d\uff09<\/th>\n<\/tr>\n<tr>\n<td>\u65e5\u7acb\u30a8\u30ca\u30b8\u30fc<\/td>\n<td>\u30b9\u30a4\u30b9\/\u65e5\u672c<\/td>\n<td>\u72ec\u81ea\u306eOLTC\u3001AVR\u7d71\u5408<\/td>\n<td>$450,000\u2013$700,000<\/td>\n<\/tr>\n<tr>\n<td>\u30b7\u30fc\u30e1\u30f3\u30b9\u30a8\u30ca\u30b8\u30fc<\/td>\n<td>\u30c9\u30a4\u30c4<\/td>\n<td>MR OLTC\u30aa\u30d7\u30b7\u30e7\u30f3\u3001\u30c7\u30b8\u30bf\u30eb\u5236\u5fa1<\/td>\n<td>$430,000\u2013$680,000<\/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<\/td>\n<td>\u914d\u96fb\u306b\u7126\u70b9\u3092\u5f53\u3066\u305fMV\u30e6\u30cb\u30c3\u30c8<\/td>\n<td>$280,000\u2013$450,000<\/td>\n<\/tr>\n<tr>\n<td>TBEA<\/td>\n<td>\u4e2d\u56fd<\/td>\n<td>\u793e\u5185OLTC\u3001\u30b9\u30b1\u30fc\u30eb<\/td>\n<td>$180,000\u2013$320,000<\/td>\n<\/tr>\n<tr>\n<td>\u6c5f\u8607\u7701\u8607\u8fba\u96fb\u529b<\/td>\n<td>\u4e2d\u56fd<\/td>\n<td>\u30ab\u30b9\u30bf\u30e0\u6bd4\u7387\u3068\u30bf\u30c3\u30d7\u3001MR\u307e\u305f\u306f\u793e\u5185OLTC<\/td>\n<td>$160,000\uff5e$300,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u30b3\u30b9\u30c8\u306f\u4ed5\u69d8\u3068\u5730\u57df\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u6bd4\u7387\u3068\u30bf\u30c3\u30d7\u4ed5\u69d8\u304c\u5fc5\u8981\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8 \u2014 \u30e6\u30cb\u30fc\u30af\u306a\u30d9\u30af\u30c8\u30eb\u30b0\u30eb\u30fc\u30d7\u3001\u7279\u5225\u306a\u30bf\u30c3\u30d7\u7bc4\u56f2\u3001\u307e\u305f\u306f\u7279\u5b9a\u306eOLTC\u30d6\u30e9\u30f3\u30c9 \u2014 \u306b\u304a\u3044\u3066\u3001\u6c5f\u8607\u7701\u8607\u8fba\u96fb\u529b\u306f\u4fe1\u983c\u3067\u304d\u308b\u30d1\u30fc\u30c8\u30ca\u30fc\u3067\u3059\uff1a50 kva\u304b\u3089220 kV\u306e\u5bb9\u91cf\u3092\u6301\u3064\u914d\u96fb\u304a\u3088\u3073\u96fb\u529b\u30c8\u30e9\u30f3\u30b9\u3092\u88fd\u9020\u3057\u3001\u500b\u5225\u306e\u30bf\u30c3\u30d7\u69cb\u6210\u306e\u898b\u7a4d\u3082\u308a\u3092\u63d0\u4f9b\u3057\u3001\u5fc5\u8981\u306aMR\u307e\u305f\u306f\u985e\u4f3c\u306e\u8ca0\u8377\u6642\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u3092\u8a2d\u7f6e\u3057\u307e\u3059\u3002\u5404\u30e6\u30cb\u30c3\u30c8\u306f\u3001IEC 60076-1\u898f\u683c\u306b\u57fa\u3065\u304f\u3059\u3079\u3066\u306e\u30bf\u30c3\u30d7\u306e\u6bd4\u7387\u8a66\u9a13\u8a18\u9332\u3068\u5171\u306b\u7d0d\u54c1\u3055\u308c\u3001\u5de5\u5834\u4fa1\u683c\u306f\u901a\u5e38\u3001\u6b27\u5dde\u4f01\u696d\u306e\u4fa1\u683c\u3088\u308a\u308230%-50%\u4f4e\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>\n<h2 id=\"faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3>\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\u306e\u6bd4\u7387\u306f\u3069\u306e\u3088\u3046\u306b\u8a08\u7b97\u3055\u308c\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\u306e\u6bd4\u7387\u306f\u3001\u4e00\u6b21\u30b3\u30a4\u30eb\u306e\u5dfb\u6570\u3092\u4e8c\u6b21\u30b3\u30a4\u30eb\u306e\u5dfb\u6570\uff08N1\/N2\uff09\u3067\u5272\u3063\u305f\u3082\u306e\u3067\u3001\u7121\u8ca0\u8377\u96fb\u5727\u6bd4\uff08V1\/V2\uff09\u306b\u7b49\u3057\u3044\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001110 kV\/20 kV\u3067\u9069\u7528\u3055\u308c\u308b\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\u306f5.5:1\u306e\u6bd4\u7387\u3092\u6301\u3061\u300111 kV\/0.4 kV\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\u306e\u6bd4\u7387\u306f27.5:1\u3067\u3059\u3002\u9006\u306e\u95a2\u4fc2\u306b\u3088\u308a\u3001\u30b9\u30c6\u30c3\u30d7\u30a2\u30c3\u30d7\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\uff08\u6bd4\u7387\u304c1\u672a\u6e80\uff1b\u4f8b\u3048\u3070\u300118\/400 kV\u96fb\u5727\u306e\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\u306e0.045\uff09\u306e\u5834\u5408\u3001\u51fa\u529b\u96fb\u5727\u306f\u9ad8\u304f\u3001\u51fa\u529b\u96fb\u6d41\u306f\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n<h3>\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\u306e\u6bd4\u7387\u306e\u8a31\u5bb9\u7bc4\u56f2\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n<p>IEC 60076-1\u306b\u5f93\u3044\u3001\u4e3b\u30bf\u30c3\u30d7\u3067\u306e\u6bd4\u7387\u306f\u540d\u677f\u5024\u306e\u00b10.5%\u4ee5\u5185\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u4ed6\u306e\u30bf\u30c3\u30d7\u4f4d\u7f6e\u3067\u3082\u540c\u3058\u8a31\u5bb9\u7bc4\u56f2\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u30d5\u30a3\u30fc\u30eb\u30c9TTR\u30e1\u30fc\u30bf\u30fc\u306f\u00b10.1%\u307e\u3067\u6e2c\u5b9a\u3059\u308b\u305f\u3081\u3001 commissioning\u30c6\u30b9\u30c8\u30670.5%\u3092\u8d85\u3048\u308b\u504f\u5dee\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u77ed\u7d61\u5dfb\u6570\u3084\u63a5\u7d9a\u30df\u30b9\u306e\u8abf\u67fb\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n<h3>\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\u306f\u96fb\u5727\u8abf\u6574\u306e\u305f\u3081\u306b\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u304c\u5fc5\u8981\u306a\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u8ca0\u8377\u3001\u767a\u96fb\u3001\u53ca\u3073\u96fb\u6e90\u304b\u3089\u306e\u8ddd\u96e2\u306b\u57fa\u3065\u304f\u30e9\u30a4\u30f3\u96fb\u5727\u306e\u5909\u52d5\u306b\u3088\u308a\u3001\u6bd4\u7387\u8abf\u6574\u304c\u306a\u3051\u308c\u3070\u3001\u914d\u96fb\u30d5\u30a3\u30fc\u30c0\u30fc\u306f1\u65e5\u3092\u901a\u3057\u30665%\u201310%\u5909\u52d5\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002OLTC\u306f\u3001\u00b110%\u304b\u3089\u00b116%\u306e\u7bc4\u56f2\u5185\u30671.25%\u20132.5%\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u6bd4\u7387\u3092\u5909\u5316\u3055\u305b\u3001\u7d04\u00b12%\u306e\u4e8c\u6b21\u96fb\u5727\u3092\u81ea\u52d5\u7684\u306b\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e2\u30fc\u30bf\u30fc\u3001\u96fb\u5b50\u6a5f\u5668\u3001\u304a\u3088\u3073\u9867\u5ba2\u306e\u8a2d\u5099\u304c\u904e\u96fb\u5727\u304a\u3088\u3073\u4f4e\u96fb\u5727\u304b\u3089\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002.<\/p>\n<h3>\u4e26\u5217\u63a5\u7d9a\u3055\u308c\u305f2\u3064\u306e\u5909\u5727\u5668\u304c\u7570\u306a\u308b\u6bd4\u7387\u3092\u6301\u3064\u3068\u3069\u3046\u306a\u308a\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u5916\u90e8\u304b\u3089\u306e\u8ca0\u8377\u304c\u306a\u3044\u5834\u5408\u3067\u3082\u30012\u3064\u306e\u30e6\u30cb\u30c3\u30c8\u9593\u3067\u96fb\u6d41\u304c\u5faa\u74b0\u3057\u307e\u3059\u3002\u8a00\u3044\u63db\u3048\u308c\u3070\u3001\u5909\u5727\u5668\u304c\u5f85\u6a5f\u30e2\u30fc\u30c9\u306b\u3042\u308b\u3068\u304d\u3067\u3082\u3001\u5faa\u74b0\u96fb\u6d41\u304c\u6d41\u308c\u307e\u3059\u300220 MVA\/110 kV\u30e6\u30cb\u30c3\u30c8\u306e\u5834\u5408\u30011%\u306e\u6bd4\u7387\u4e0d\u4e00\u81f4\u3067\u3082\u3001\u30d5\u30eb\u30ed\u30fc\u30c9\u5b9a\u683c\u96fb\u6d41\u306e\u7d042%-5%\u306e\u5faa\u74b0\u96fb\u6d41\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u4e0d\u4e00\u81f4\u304c\u5897\u52a0\u3059\u308b\u3068\u3001\u5faa\u74b0\u96fb\u6d41\u3082\u305d\u308c\u306b\u5fdc\u3058\u3066\u5897\u52a0\u3057\u307e\u3059\u3002\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u304c\u30bf\u30c3\u30d7\u9078\u629e\u30d7\u30ed\u30bb\u30b9\u3092\u901a\u3058\u3066\u6bd4\u7387\u3092\u5747\u7b49\u5316\u3059\u308b\u884c\u52d5\u306f\u3001\u5c0f\u578b\u5909\u5727\u5668\u306e\u5b9a\u683c\u306e10%\u3092\u8d85\u3048\u308b\u5faa\u74b0\u96fb\u6d41\u306e\u4e0a\u6607\u3092\u9632\u304e\u307e\u3059\u3002.<\/p>\n<h3>\u8ca0\u8377\u6642\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u306f\u5909\u5727\u5668\u306e\u30b3\u30b9\u30c8\u306b\u3069\u308c\u304f\u3089\u3044\u8ffd\u52a0\u3055\u308c\u307e\u3059\u304b\uff1f<\/h3>\n<p>OLTC\u306f\u3001\u4e00\u822c\u7684\u306b5 MVA\u304b\u308950 MVA\u306e\u5b9a\u683c\u306e\u96fb\u529b\u5909\u5727\u5668\u306e\u30b3\u30b9\u30c8\u306b$15,000\u304b\u3089$60,000\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u9ad8\u3044\u5b9a\u683c\u306e\u5909\u5727\u5668\u306f\u3088\u308a\u9ad8\u4fa1\u3067\u3059\u3002\u3053\u306e\u6295\u8cc7\u306f\u3001\u3088\u308a\u826f\u3044\u96fb\u5727\u5236\u5fa1\u3068\u4f4e\u3044\u96fb\u529b\u640d\u5931\u3001\u53ca\u3073\u6a5f\u5668\u6545\u969c\u306e\u4e0d\u5728\u306b\u3088\u308a\u901a\u5e38\u306f\u56de\u53ce\u3055\u308c\u307e\u3059\u3002.<\/p>\n<h2 id=\"references\">\u53c2\u8003\u6587\u732e<\/h2>\n<ul>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/639\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60076-1: \u96fb\u529b\u5909\u5727\u5668 \u2014 \u4e00\u822c<\/a> \u2014 \u6bd4\u7387\u3001\u8a31\u5bb9\u5dee\u3001\u30bf\u30c3\u30d7\u3001\u304a\u3088\u3073\u8a66\u9a13\u8981\u4ef6\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002.<\/li>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/640\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60076-8: \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ac\u30a4\u30c9<\/a> \u2014 \u30bf\u30c3\u30d4\u30f3\u30b0\u3001\u4e26\u5217\u904b\u8ee2\u3001\u304a\u3088\u3073\u96fb\u529b\u5909\u5727\u5668\u306e\u9069\u7528\u306b\u95a2\u3059\u308b\u30ac\u30a4\u30c0\u30f3\u30b9\u3002.<\/li>\n<li><a href=\"https:\/\/ieeexplore.ieee.org\/document\/5307241\" rel=\"nofollow noopener\" target=\"_blank\">IEEE C57.12.00: \u6db2\u4f53\u6d78\u6f2c\u30c8\u30e9\u30f3\u30b9\u306e\u4e00\u822c\u8981\u4ef6<\/a> \u2014 \u6bd4\u7387\u304a\u3088\u3073\u30bf\u30c3\u30d7\u4ed5\u69d8\u306b\u95a2\u3059\u308b\u5317\u7c73\u306e\u8981\u4ef6\u3002.<\/li>\n<li><a href=\"https:\/\/www.reinhausen.com\/en\" rel=\"nofollow noopener\" target=\"_blank\">\u30de\u30b7\u30fc\u30cd\u30f3\u30d5\u30a1\u30d6\u30ea\u30c3\u30af\u30fb\u30e9\u30a4\u30f3\u30cf\u30a6\u30bc\u30f3 (MR)<\/a> \u2014 \u8ca0\u8377\u6642\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u306e\u8a2d\u8a08\u3068\u5236\u5fa1\u306b\u95a2\u3059\u308b\u696d\u754c\u306e\u53c2\u8003\u6587\u732e\u3002.<\/li>\n<li><a href=\"https:\/\/ieeexplore.ieee.org\/document\/8586253\" rel=\"nofollow noopener\" target=\"_blank\">IEEE C57.12.90: \u6db2\u4f53\u6d78\u6f2c\u578b\u914d\u96fb\u3001\u96fb\u529b\u3001\u53ca\u3073\u8abf\u6574\u5909\u5727\u5668\u306e\u8a66\u9a13\u898f\u7a0b<\/a> \u2014 \u6bd4\u7387\u8a66\u9a13\u3092\u542b\u3080\u8a66\u9a13\u624b\u9806\u3002.<\/li>\n<li><a href=\"https:\/\/www.epa.gov\/sustainable-energy\/transformer-efficiency\" rel=\"nofollow noopener\" target=\"_blank\">US EPA: \u5909\u5727\u5668\u52b9\u7387\u30d7\u30ed\u30b0\u30e9\u30e0<\/a> \u2014 \u5927\u898f\u6a21\u3067\u306e\u96fb\u5727\u5236\u5fa1\u3068\u52b9\u7387\u7684\u306a\u5909\u5727\u5668\u304c\u91cd\u8981\u306a\u7406\u7531\u306e\u80cc\u666f\u3002.<\/li>\n<\/ul>\n<h2 id=\"conclusion\">\u7d50\u8ad6<\/h2>\n<p>\u5909\u5727\u5668\u306e\u6bd4\u7387\u306f\u3001\u96fb\u529b\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u5236\u5fa1\u88c5\u7f6e\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u308b\u5fae\u5c0f\u3067\u6b63\u78ba\u306a\u5dfb\u6570\u6bd4\u306e\u5909\u66f4\u306b\u3088\u308a\u3001\u6cd5\u7684\u9650\u754c\u5185\u3067\u96fb\u5727\u3092\u7dad\u6301\u3057\u3001\u6570\u767e\u30ad\u30ed\u30e1\u30fc\u30c8\u30eb\u306e\u96fb\u529b\u7dda\u3092\u901a\u3058\u3066\u96fb\u529b\u4f9b\u7d66\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002\u6bd4\u7387\u6e2c\u5b9a\u3001\u305d\u306e\u9650\u754c\u3001\u304a\u3088\u3073\u4e26\u5217\u904b\u8ee2\u306e\u77e5\u8b58\u306f\u3001\u5909\u5727\u5668\u3092\u6307\u5b9a\u3001\u8a66\u9a13\u3001\u307e\u305f\u306f\u30b5\u30fc\u30d3\u30b9\u3059\u308b\u3059\u3079\u3066\u306e\u5c02\u9580\u5bb6\u306b\u3068\u3063\u3066\u91cd\u8981\u3067\u3059\u3002.<\/p>\n<p>\u6bd4\u7387\u306f\u7121\u8ca0\u8377\u96fb\u5727\u6bd4\u3067\u3082\u3042\u308a\u307e\u3059\u3002\u914d\u96fb\u5909\u5727\u5668\u306f5.5:1\u304b\u308927.5:1\u3067\u52d5\u4f5c\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<br \/>\n\u8ca0\u8377\u6642\u30bf\u30c3\u30d7\u30c1\u30a7\u30f3\u30b8\u30e3\u30fc\u3092\u5099\u3048\u305f\u5909\u5727\u5668\u306f\u3001-10%\u304b\u3089+16%\u307e\u3067\u6bd4\u7387\u3092\u5909\u66f4\u3057\u3001\u30bf\u30c3\u30d7\u30ec\u30d0\u30fc\u309213-17\u30b9\u30c6\u30c3\u30d7\u3067\u4f4d\u7f6e\u4ed8\u3051\u307e\u3059\u3002.<br \/>\n\u5909\u5727\u5668\u306f\u3001\u96fb\u6d41\u306e\u5faa\u74b0\u3092\u9632\u3050\u305f\u3081\u306b\u540c\u3058\u6bd4\u7387\u3068\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u6301\u3064\u3079\u304d\u3067\u3059\u3002\u6bd4\u7387\u8a66\u9a13\u306f\u7fa9\u52d9\u4ed8\u3051\u3089\u308c\u3066\u304a\u308a\uff08IEC 60076-1\u3001\u8a31\u5bb9\u5dee\u00b10.5%\uff09\u3001\u77ed\u7d61\u5dfb\u6570\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n<p>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u7279\u5b9a\u306e\u6bd4\u7387\u3001\u30bf\u30c3\u30d7\u7bc4\u56f2\u3001\u307e\u305f\u306fOLTC\u69cb\u6210\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u3001, <a href=\"https:\/\/subian-electric.com\/ja\/\">\u6c5f\u8607\u7701\u8607\u8fba\u96fb\u529b<\/a> 50 kVA\u304b\u3089220 kV\u30af\u30e9\u30b9\u306e\u914d\u96fb\u304a\u3088\u3073\u96fb\u529b\u30c8\u30e9\u30f3\u30b9\u3092\u8a2d\u8a08\u30fb\u4f9b\u7d66\u3067\u304d\u3001\u5404\u30e6\u30cb\u30c3\u30c8\u306b\u5bfe\u3057\u3066\u5b8c\u5168\u306a\u6bd4\u7387\u8a66\u9a13\u5831\u544a\u66f8\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>A substation operator looked at his electronic meter today when a thunderstorm arrived and changed the 110 kV line of power from 108 kV to 116 kV. In spite of that, the 20 kV bus on the secondary side showed values between 19.9 and 20.1 kV at the same time. The instrument that works there is called an on-load tap changer: the transformer ratio is corrected step by step. The article interprets what transformer ratio is, how it is calculated, what the relationship between transformer ratio and voltage stability is, how tap changers make transformer ratio stable at that very moment, and what consequences one can get if there is [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":10524,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[77],"tags":[],"class_list":["post-10523","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\/10523","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=10523"}],"version-history":[{"count":2,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/posts\/10523\/revisions"}],"predecessor-version":[{"id":11088,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/posts\/10523\/revisions\/11088"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/media\/10524"}],"wp:attachment":[{"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/media?parent=10523"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/categories?post=10523"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/subian-electric.com\/ja\/wp-json\/wp\/v2\/tags?post=10523"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}