{"id":1259,"date":"2026-05-02T12:53:03","date_gmt":"2026-05-02T12:53:03","guid":{"rendered":"https:\/\/www.volttansform.com\/?p=1259"},"modified":"2026-05-02T12:53:14","modified_gmt":"2026-05-02T12:53:14","slug":"how-does-an-oil-immersed-transformer-work-structure-and-working-principle","status":"publish","type":"post","link":"https:\/\/www.volttansform.com\/ja\/how-does-an-oil-immersed-transformer-work-structure-and-working-principle\/","title":{"rendered":"\u6cb9\u6d78\u5909\u5727\u5668\u306e\u4ed5\u7d44\u307f\u69cb\u9020\u3068\u52d5\u4f5c\u539f\u7406"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u6cb9\u5165\u5909\u5727\u5668\u306f\u3001\u305d\u306e\u7279\u6027\u304b\u3089\u914d\u96fb\u30b7\u30b9\u30c6\u30e0\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3002 <strong>\u9ad8\u52b9\u7387\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u65ad\u71b1\u6027\u3001\u512a\u308c\u305f\u51b7\u5374\u6027\u80fd<\/strong>. .\u96fb\u6c17\u30a4\u30f3\u30d5\u30e9\u306b\u643a\u308f\u308b\u30a8\u30f3\u30b8\u30cb\u30a2\u3001\u8abf\u9054\u5c02\u9580\u5bb6\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8a2d\u8a08\u8005\u306b\u3068\u3063\u3066\u3001\u3053\u308c\u3089\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306b\u3064\u3044\u3066\u89e3\u8aac\u3059\u308b\u3002 <strong>\u69cb\u9020\u3068\u52d5\u4f5c\u539f\u7406<\/strong> \u6cb9\u6d78\u5909\u5727\u5668\u306e\u660e\u78ba\u3067\u5b9f\u7528\u7684\u306a\u65b9\u6cd5\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.volttansform.com\/wp-content\/uploads\/2026\/04\/110kV-Oil-Immersed-Power-Transformer-for-High-Voltage-Substations-Step-Down-Type-2.png\" alt=\"\u9ad8\u5727\u5909\u96fb\u6240\uff08\u30b9\u30c6\u30c3\u30d7\u30fb\u30c0\u30a6\u30f3 \u30bf\u30a4\u30d7\uff09\u306e\u305f\u3081\u306e 110kv \u30aa\u30a4\u30eb\u306b\u6d78\u3055\u308c\u305f\u96fb\u6e90\u5909\u5727\u5668\" class=\"wp-image-1107\" srcset=\"https:\/\/www.volttansform.com\/wp-content\/uploads\/2026\/04\/110kV-Oil-Immersed-Power-Transformer-for-High-Voltage-Substations-Step-Down-Type-2.png 1000w, https:\/\/www.volttansform.com\/wp-content\/uploads\/2026\/04\/110kV-Oil-Immersed-Power-Transformer-for-High-Voltage-Substations-Step-Down-Type-2-300x300.png 300w, https:\/\/www.volttansform.com\/wp-content\/uploads\/2026\/04\/110kV-Oil-Immersed-Power-Transformer-for-High-Voltage-Substations-Step-Down-Type-2-100x100.png 100w, https:\/\/www.volttansform.com\/wp-content\/uploads\/2026\/04\/110kV-Oil-Immersed-Power-Transformer-for-High-Voltage-Substations-Step-Down-Type-2-600x600.png 600w, https:\/\/www.volttansform.com\/wp-content\/uploads\/2026\/04\/110kV-Oil-Immersed-Power-Transformer-for-High-Voltage-Substations-Step-Down-Type-2-150x150.png 150w, https:\/\/www.volttansform.com\/wp-content\/uploads\/2026\/04\/110kV-Oil-Immersed-Power-Transformer-for-High-Voltage-Substations-Step-Down-Type-2-768x768.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">1.\u57fa\u672c\u52d5\u4f5c\u539f\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6cb9\u6d78\u5909\u5727\u5668\u306f\u3001\u4ee5\u4e0b\u306e\u539f\u7406\u306b\u57fa\u3065\u3044\u3066\u52d5\u4f5c\u3059\u308b\u3002 <strong>\u96fb\u78c1\u8a98\u5c0e<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u304b<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4ea4\u6d41\uff08AC\uff09\u304c\u6d41\u308c\u308b <strong>\u4e00\u6b21\u5dfb\u7dda<\/strong><\/li>\n\n\n\n<li>\u3053\u308c\u306b\u3088\u308a\u3001\u78c1\u5834\u304c\u5909\u5316\u3059\u308b\u3002 <strong>\u30b3\u30a2<\/strong><\/li>\n\n\n\n<li>\u78c1\u5834\u306f\u96fb\u5727\u3092\u8a98\u8d77\u3059\u308b\u3002 <strong>\u4e8c\u6b21\u5dfb\u7dda<\/strong><\/li>\n\n\n\n<li>\u96fb\u6c17\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u76f4\u63a5\u96fb\u6c17\u306b\u89e6\u308c\u308b\u3053\u3068\u306a\u304f\u4f1d\u9054\u3055\u308c\u308b<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ad\u30fc\u30b3\u30f3\u30bb\u30d7\u30c8<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u96fb\u5727\u5909\u63db\u306f <strong>\u56de\u8ee2\u6bd4<\/strong> \u4e00\u6b21\u5dfb\u7dda\u3068\u4e8c\u6b21\u5dfb\u7dda\u306e\u9593<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2.\u6cb9\u6d78\u5909\u5727\u5668\u306e\u4e3b\u306a\u69cb\u9020<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6cb9\u5165\u5909\u5727\u5668\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u90e8\u54c1\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30a2\u30fb\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff1a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1.\u78c1\u6c17\u30b3\u30a2<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e9\u30df\u30cd\u30fc\u30c8\u30fb\u30b7\u30ea\u30b3\u30f3\u30fb\u30b9\u30c1\u30fc\u30eb\u88fd<\/li>\n\n\n\n<li>\u78c1\u675f\u306e\u4f4e\u640d\u5931\u7d4c\u8def\u3092\u63d0\u4f9b\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2.\u5dfb\u7dda\uff08\u4e00\u6b21\u304a\u3088\u3073\u4e8c\u6b21\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9285\u307e\u305f\u306f\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u5c0e\u4f53<\/li>\n\n\n\n<li>\u96fb\u5727\u5909\u63db\u3092\u62c5\u5f53<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3.\u7d76\u7e01\u6cb9<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u517c\u52d9 <strong>\u51b7\u5374\u6c34\u304a\u3088\u3073\u8a98\u96fb\u7d76\u7e01<\/strong><\/li>\n\n\n\n<li>\u904b\u8ee2\u4e2d\u306b\u767a\u751f\u3059\u308b\u71b1\u3092\u9003\u304c\u3059<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4.\u5909\u5727\u5668\u30bf\u30f3\u30af<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30a2\u3001\u5dfb\u7dda\u3001\u30aa\u30a4\u30eb\u3092\u53ce\u7d0d\u3059\u308b\u5bc6\u9589\u5bb9\u5668<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5.\u30e9\u30b8\u30a8\u30fc\u30bf\u30fc\uff0f\u51b7\u5374\u30d5\u30a3\u30f3<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u653e\u71b1\u306e\u305f\u3081\u306e\u8868\u9762\u7a4d\u3092\u5897\u3084\u3059<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>6.\u30b3\u30f3\u30b5\u30d9\u30fc\u30bf\u30fc\uff08\u30aa\u30a4\u30eb\u30ea\u30b6\u30fc\u30d0\u30fc\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30aa\u30a4\u30eb\u306e\u81a8\u5f35\u3068\u53ce\u7e2e\u3092\u8a31\u5bb9\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>7.\u30d6\u30c3\u30b7\u30f3\u30b0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5916\u90e8\u56de\u8def\u306b\u7d76\u7e01\u3055\u308c\u305f\u96fb\u6c17\u63a5\u7d9a\u3092\u63d0\u4f9b\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3.\u51b7\u5374\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u8aac\u660e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u51b7\u5374\u306f\u6cb9\u6d78\u5909\u5727\u5668\u306e\u91cd\u8981\u306a\u5229\u70b9\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u51b7\u5374\u30d7\u30ed\u30bb\u30b9\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5dfb\u7dda\u3068\u30b3\u30a2\u306b\u71b1\u304c\u767a\u751f<\/li>\n\n\n\n<li>\u30aa\u30a4\u30eb\u306f\u71b1\u3092\u5438\u53ce\u3057\u3001\u81ea\u7136\u5faa\u74b0\u307e\u305f\u306f\u5f37\u5236\u5faa\u74b0\u3059\u308b\u3002<\/li>\n\n\n\n<li>\u71b1\u306f\u30e9\u30b8\u30a8\u30fc\u30bf\u30fc\u3092\u901a\u3057\u3066\u5468\u56f2\u306e\u7a7a\u6c17\u306b\u653e\u51fa\u3055\u308c\u308b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u822c\u7684\u306a\u51b7\u5374\u30bf\u30a4\u30d7\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30aa\u30ca\u30f3<\/strong> (\u30aa\u30a4\u30eb \u30ca\u30c1\u30e5\u30e9\u30eb \u30a8\u30a2 \u30ca\u30c1\u30e5\u30e9\u30eb)<\/li>\n\n\n\n<li><strong>\u5168\u65e5\u7a7a<\/strong> (\u77f3\u6cb9\u81ea\u7136\u7d66\u6c17)<\/li>\n\n\n\n<li><strong>\u30aa\u30d5\u30a1\u30d5<\/strong> (\u30aa\u30a4\u30eb\u30fb\u30d5\u30a9\u30fc\u30b9\u30c9\u30fb\u30a8\u30a2\u30d5\u30a9\u30fc\u30b9\u30c9)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u6d1e\u5bdf<\/strong><br>\u52b9\u7387\u7684\u306a\u51b7\u5374\u306b\u3088\u308a\u3001\u6cb9\u6d78\u5909\u5727\u5668\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5bfe\u5fdc\u304c\u53ef\u80fd\u3067\u3042\u308b\u3002 <strong>\u9ad8\u8ca0\u8377\u30fb\u9577\u6642\u9593\u904b\u8ee2<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4.\u7d76\u7e01\u3068\u4fdd\u8b77\u30b7\u30b9\u30c6\u30e0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d76\u7e01\u6cb9\u3082\u307e\u305f\u3001\u6b21\u306e\u70b9\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u308b\u3002 <strong>\u96fb\u6c17\u7d76\u7e01<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3b\u306a\u6a5f\u80fd<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5dfb\u7dda\u9593\u306e\u77ed\u7d61\u3092\u9632\u6b62<\/li>\n\n\n\n<li>\u90e8\u5206\u653e\u96fb\u306e\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b<\/li>\n\n\n\n<li>\u9ad8\u96fb\u5727\u4e0b\u3067\u3082\u7d76\u7e01\u8010\u529b\u3092\u7dad\u6301<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u6a5f\u80fd\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d6\u30c3\u30d5\u30db\u30eb\u30c4\u30fb\u30ea\u30ec\u30fc\uff08\u5185\u90e8\u6545\u969c\u306e\u30ac\u30b9\u691c\u77e5\uff09<\/li>\n\n\n\n<li>\u6e29\u5ea6\u30bb\u30f3\u30b5\u30fc<\/li>\n\n\n\n<li>\u5727\u529b\u958b\u653e\u88c5\u7f6e<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u9577\u671f\u306b\u308f\u305f\u308b\u5b89\u5168\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u904b\u8ee2\u3092\u4fdd\u8a3c\u3059\u308b\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5.\u30b9\u30c6\u30c3\u30d7\u30a2\u30c3\u30d7\u52d5\u4f5c\u3068\u30b9\u30c6\u30c3\u30d7\u30c0\u30a6\u30f3\u52d5\u4f5c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6cb9\u5165\u5909\u5727\u5668\u306f\u6b21\u306e\u3088\u3046\u306a\u6a5f\u80fd\u3092\u679c\u305f\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b9\u30c6\u30c3\u30d7\u30a2\u30c3\u30d7\u30c8\u30e9\u30f3\u30b9<\/strong> \u2192 \u96fb\u5727\u3092\u4e0a\u3052\u308b\uff08\u767a\u96fb\u306b\u4f7f\u7528\uff09<\/li>\n\n\n\n<li><strong>\u964d\u5727\u30c8\u30e9\u30f3\u30b9<\/strong> \u2192 \u96fb\u5727\u3092\u4e0b\u3052\u308b\uff08\u914d\u96fb\u30b7\u30b9\u30c6\u30e0\u3067\u4f7f\u7528\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u6a5f\u80fd\u306f <strong>\u56de\u8ee2\u6bd4<\/strong> \u5dfb\u7dda\u306e.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">6.\u6cb9\u6d78\u5909\u5727\u5668\u306e\u5229\u70b9<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5927\u5bb9\u91cf\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3051\u308b\u9ad8\u52b9\u7387<\/li>\n\n\n\n<li>\u512a\u308c\u305f\u653e\u71b1\u6027<\/li>\n\n\n\n<li>\u5f37\u529b\u306a\u904e\u8ca0\u8377\u80fd\u529b<\/li>\n\n\n\n<li>\u9577\u5bff\u547d\uff0820\uff5e30\u5e74\uff09<\/li>\n\n\n\n<li>\u7523\u696d\u7528\u304a\u3088\u3073\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u7528\u306e\u30b3\u30b9\u30c8\u52b9\u7387<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">7.\u5236\u9650\u3068\u8003\u616e\u4e8b\u9805<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9a\u671f\u7684\u306a\u30aa\u30a4\u30eb\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3068\u30c6\u30b9\u30c8\u304c\u5fc5\u8981<\/li>\n\n\n\n<li>\u53ef\u71c3\u6027\u30aa\u30a4\u30eb\u306b\u3088\u308b\u706b\u707d\u306e\u5371\u967a\u6027<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u8a2d\u7f6e\u3068\u5b89\u5168\u30b7\u30b9\u30c6\u30e0\u304c\u5fc5\u8981<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">8.\u7d50\u8ad6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6cb9\u5165\u5909\u5727\u5668\u306f\u3001\u73fe\u4ee3\u306e\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u306e\u8981\u3067\u3059\u3002\u96fb\u78c1\u8a98\u5c0e\u306b\u57fa\u3065\u304f\u305d\u306e\u4f5c\u52d5\u539f\u7406\u306f\u3001\u52b9\u7387\u7684\u306a\u6cb9\u51b7\u3068\u7d76\u7e01\u3068\u76f8\u307e\u3063\u3066\u3001\u6b21\u306e\u3088\u3046\u306a\u7528\u9014\u3067\u9ad8\u3044\u4fe1\u983c\u6027\u3092\u767a\u63ee\u3057\u307e\u3059\u3002 <strong>\u7523\u696d\u3001\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3001\u5927\u898f\u6a21\u914d\u96fb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u69cb\u9020\u3068\u52d5\u4f5c\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u3001\u6a5f\u5668\u306e\u9078\u629e\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u8a08\u753b\u306b\u304a\u3044\u3066\u3088\u308a\u9069\u5207\u306a\u5224\u65ad\u3092\u4e0b\u3059\u306e\u306b\u5f79\u7acb\u3064\u3002.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">9.\u79c1\u305f\u3061\u306b\u3064\u3044\u3066<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u3005\u306f\u63d0\u4f9b\u3059\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6cb9\u6d78\u5909\u5727\u5668<\/li>\n\n\n\n<li>\u4e7e\u5f0f\u5909\u5727\u5668<\/li>\n\n\n\n<li>\u9ad8\u5727\u30fb\u4f4e\u5727\u958b\u9589\u88c5\u7f6e<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f37\u529b\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u5c02\u9580\u77e5\u8b58\u3068\u53b3\u683c\u306a\u54c1\u8cea\u7ba1\u7406\u306b\u3088\u308a\u3001\u79c1\u305f\u3061\u306f\u4ee5\u4e0b\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 <strong>\u5b89\u5168\u3067\u52b9\u7387\u7684\u306a\u3001\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u96fb\u529b\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/strong> \u30b0\u30ed\u30fc\u30d0\u30eb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u305f\u3081\u306b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 <em>\u6280\u8853\u30b5\u30dd\u30fc\u30c8\u3084\u88fd\u54c1\u9078\u5b9a\u306b\u3064\u3044\u3066\u306f\u3001\u5f0a\u793e\u307e\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>Oil-immersed transformers are widely used in power distribution systems due to their high efficiency, reliable insulation, and excellent cooling performance. 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