{"id":7319,"date":"2026-11-14T07:34:22","date_gmt":"2026-11-14T07:34:22","guid":{"rendered":"https:\/\/www.lstransformer.com\/?p=7319"},"modified":"2026-10-26T12:14:07","modified_gmt":"2026-10-26T12:14:07","slug":"why-transformers-need-impregnation","status":"publish","type":"post","link":"https:\/\/www.lstransformer.com\/ja\/why-transformers-need-impregnation\/","title":{"rendered":"\u306a\u305c\u30c8\u30e9\u30f3\u30b9\u306e\u5fc5\u8981\u6027\u542b\u6d78?"},"content":{"rendered":"

\u306a\u305c\u30c8\u30e9\u30f3\u30b9\u306e\u5fc5\u8981\u6027\u542b\u6d78?<\/h1>\n

\u5927\u578b\u96fb\u6e90\u30c8\u30e9\u30f3\u30b9\u3001\u7089\u3001\u9ad8\u5468\u6ce2\u30c8\u30e9\u30f3\u30b9\u3001“\u542b\u6d78”\u3067\u306f\u306a\u3044\u3060\u3051\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u8868\u9762\u51e6\u7406\u2014\u305d\u308c\u306f\u91cd\u8981\u306a\u88fd\u9020\u30d7\u30ed\u30bb\u30b9\u306e\u7d76\u7e01\u30b7\u30b9\u30c6\u30e0\u3002 \u3053\u306e\u8a18\u4e8b\u306b\u8feb\u306e\u5fc5\u8981\u6027\u30c8\u30e9\u30f3\u30b9\u542b\u6d78\u53ca\u3073\u63d0\u4f9b\u306b\u3064\u3044\u3066\u306e\u8a73\u3057\u3044\u8aac\u660e\u306f\u771f\u7a7a\u52a0\u5727\u542b\u6d78(VPI)\u30d7\u30ed\u30bb\u30b9\u306b\u5e45\u5e83\u304f\u751f\u304b\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n

\"\"<\/a><\/p>\n

1. \u306a\u305c\u306a\u30c8\u30e9\u30f3\u30b9\u3092\u53d7\u3051\u308b\u542b\u6d78\u3057\u305f\u306e\u3067\u3059\u3002<\/em><\/h3>\n

\u30c8\u30e9\u30f3\u30b9\u306e\u9854\u306f\u8907\u6570\u306e\u30b9\u30c8\u30ec\u30b9\u6642\u52d5\u4f5c\u2014\u96fb\u6c17\u7684\u3001\u71b1\u7684\u3001\u6a5f\u68b0\u7684\u3001\u74b0\u5883. \u306b\u5dfb\u7dda\u306a\u3057\u3067\u542b\u6d78\u5c0e\u4f53\u5c64\u306e\u5dfb\u7dda\u306e\u81ea\u4e3b\u96e2\u306b\u3088\u308b\u30a8\u30a2\u3068\u56fa\u4f53\u7d76\u7e01\u6750\u6599\u3067\u3059\u3002 \u3057\u304b\u3057\u3001\u7a7a\u6c17\u304c\u60aa\u3044\u3068\u7d76\u7e01\u6027\uff08\u4f4e\u8a98\u96fb\u4f53\u306e\u5f37\u5ea6\uff09\u304c\u5f71\u97ff\u3092\u53d7\u3051\u3084\u6e7f\u5ea6\u304a\u3088\u3073\u6c5a\u67d3\u7269\u8cea\u3001\u5f31\u70b9\u306e\u7d76\u7e01\u30b7\u30b9\u30c6\u30e0\u3002 \u76ee\u51e6\u306b\u5b9f\u65bd\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u751f\u7523\u306e\u542b\u6d78\u306b\u7f6e\u304d\u63db\u3048\u30b9\u30a4\u30c3\u30c1\u3092\u5165\u308c\u305f\u3053\u308c\u3089\u306e\u30a8\u30a2\u30ae\u30e3\u30c3\u30d7\u7d76\u7e01\u30ef\u30cb\u30b9\u306f\u3001\u512a\u308c\u305f\u96fb\u6c17\u7684\u3001\u6a5f\u68b0\u7684\u3001\u5316\u5b66\u7684\u6027\u8cea\u3092\u7bc9\u3068\u7d71\u5408\u7d76\u7e01\u30b7\u30b9\u30c6\u30e0\u3002<\/p>\n

1.1\u4e2d\u6838\u7684\u306a\u76ee\u7684\u3068\u306e\u56e0\u679c\u95a2\u4fc2\u306e\u542b\u6d78\u51e6\u7406<\/b><\/strong><\/h4>\n

\u542b\u6d78\u3092\u76ee\u6307\u3057\u3001\u4ee5\u4e0b\u306e\u56db\u3064\u306e\u4e2d\u6838\u7684\u306a\u76ee\u7684\u3001\u7269\u7406\u7684\u53ca\u3073\u5316\u5b66\u539f\u56e0\u679c\u95a2\u4fc2\u306e\u65bd\u7b56\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059<\/p>\n

1.1.1\u5145\u96fb\u6c17\u7d76\u7e01\u5f37\u5ea6\u3001\u90e8\u5206\u653e\u96fb\u4fdd\u8b77<\/b><\/strong><\/h5>\n
(1)\u6839\u672c\u539f\u56e0:\u00a0<\/strong><\/h6>\n

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(2)\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3(\u542b\u6d78\uff09:\u00a0<\/strong><\/h6>\n

\u3092\u542b\u6d78\u3001\u4f4e\u7c98\u5ea6\u7d76\u7e01\u30ef\u30cb\u30b9\u307e\u3067\u6d78\u900f\u3057\u3001\u6700\u5c0f\u9699\u9593\u3092\u5dfb\u304d\u4e0b\u3067\u771f\u7a7a\u52a0\u5727\u6761\u4ef6\u3092\u5b8c\u5168\u306b\u639b\u3063\u305f\u3002<\/p>\n

1.1.2\u6539\u5584\u653e\u71b1\u304a\u3088\u3073\u71b1\u7ba1\u7406<\/b><\/strong><\/h5>\n
(1)\u6839\u672c\u539f\u56e0:\u00a0<\/strong><\/h6>\n

\u9285\u640d-\u9244\u640d\u5931\u6642\u306e\u30c8\u30e9\u30f3\u30b9\u52d5\u4f5c\u3092\u751f\u6210\u3057\u307e\u3059\u3002 \u7a7a\u6c17\u306f\u975e\u5e38\u306b\u8ca7\u3057\u3044\u71b1\u4f1d\u5c0e\u7387\u3001\u71b1\u306e\u5dfb\u7dda\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u8ee2\u5916\u90e8\u30e9\u30b8\u30a8\u30fc\u30bf\u3001\u6cb9\u30bf\u30f3\u30af\u3002 \u3053\u306e\u7d50\u679c\u5897\u52a0\u3057\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u3002 \u306b\u3088\u308b\u30a2\u30ec\u30cb\u30a6\u30b9\u6cd5\u306e\u9ad8\u9f62\u5316\u7387\u7d76\u7e01\u6750\u6599\u306e\u5897\u52a0\u6307\u6570\u95a2\u6570\u7684\u306b\u6e29\u5ea6\u6bce\u306b8-10\u2103\u6e29\u5ea6\u304c\u4e0a\u304c\u308a\u3001\u7d76\u7e01\u5bff\u547d\u306f\u7d04\u534a\u5206\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

(2)\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3(\u542b\u6d78\uff09:\u00a0<\/strong><\/h6>\n

\u4f7f\u7528\u7d76\u7e01\u30ef\u30cb\u30b9\u306e\u30ae\u30e3\u30c3\u30d7\u304c\u3042\u308a\u307e\u3059\u3002 \u304c\u786c\u5316\u7d76\u7e01\u30ef\u30cb\u30b9\u306f\u8ca7\u3057\u3044\u71b1\u4f1d\u5c0e\u3001\u71b1\u4f1d\u5c0e\u7387\u304c\u7d040.2-0.3W\/m\u00b7K)\u304c\u4e00\u6841\u4ee5\u4e0a\u9ad8\u3044\u3002 \u3053\u308c\u3092\u52b9\u7387\u7684\u306b\u71b1\u3092\u4f1d\u5c0e\u3059\u3002<\/p>\n

1.1.3\u5897\u52a0\u306e\u6a5f\u68b0\u7684\u5f37\u5ea6\u3001\u8010\u632f\u52d5\u6027<\/b><\/strong><\/h5>\n
(1)\u6839\u672c\u539f\u56e0:\u00a0<\/strong><\/h6>\n

\u30c8\u30e9\u30f3\u30b9\u3001\u96fb\u6e90\u30c8\u30e9\u30f3\u30b9\u3001\u3092\u53d7\u3051\u308b\u6a5f\u68b0\u7684\u30b9\u30c8\u30ec\u30b9\u306b\u3088\u308b\u96fb\u78c1\u529b\u306e\u7269\u7406\u7684\u306a\u632f\u52d5\u306a\u3069\u304b\u3089\u3001\u8a2d\u7f6e\u74b0\u5883\u3067\u884c\u3044\u307e\u3059\u3002 \u7de9\u3084\u304b\u306b\u69cb\u9020\u3092\u3082\u5dfb\u7dda\u304c\u5c0f\u5909\u4f4d\u3084\u6469\u64e6\u306b\u304a\u3051\u308b\u4ea4\u6d41\u96fb\u78c1\u529b\u3001\u9577\u671f\u7d76\u7e01\u7740\u5c0e\u4f53\u306e\u5909\u5f62\u3001\u6298\u640d\u3059\u308b<\/p>\n

(2)\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3(\u542b\u6d78\uff09:\u00a0<\/strong><\/h6>\n

\u786c\u5316\u5f8c\u306e\u7d76\u7e01\u30ef\u30cb\u30b9\u793e\u50b5\u306e\u96fb\u7dda\u3001\u7d76\u7e01\u6750\u6599\u3001\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u3001\u56fa\u4f53\u4e2d\u306e\u525b\u4f53\u8cea\u3092\u69cb\u9020\u63a5\u7740\u529b\u3092\u767a\u63ee\u3057\u307e\u3059\u3002 \u306e\u786c\u5316\u5857\u819c\u306f\u5f37\u3044\u63a5\u7740\u529b\u3092\u30ed\u30c3\u30af\u3059\u3079\u3066\u306e\u90e8\u54c1\u3067\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u5168\u4f53\u3092\u5dfb\u304d\u308b\u6a5f\u80fd\u306a\u3069\u306e\u56fa\u4f53\u30d6\u30ed\u30c3\u30af“\u30b3\u30f3\u30af\u30ea\u30fc\u30c8”\u5927\u5e45\u306b\u5897\u5f37\u632f\u52d5\u6027\u3084\u8010\u77ed\u7d61\u96fb\u78c1\u529b\u306b<\/p>\n

1.1.4\u63d0\u4f9b\u3059\u308b\u512a\u308c\u305f\u9632\u6e7f\u3001\u8010\u8150\u98df\u6027\u3001\u8010\u74b0\u5883\u4fdd\u8b77<\/b><\/strong><\/h5>\n
(1)\u6839\u672c\u539f\u56e0:\u00a0<\/strong><\/h6>\n

\u6c34\u5206\u3001\u5869\u6c34\u5674\u9727\u3001\u5316\u5b66\u6c5a\u67d3\u7269\u8cea\u3001\u9178\u7d20\u304b\u3089\u74b0\u5883\u3092\u900f\u904e\u3059\u308b\u306e\u3067\u3001\u5dfb\u7dda\u6a5f\u3067\u3059\u3002 \u6c34\u5206\u306e\u4f53\u7a4d\u62b5\u6297\u7387\u7d76\u7e01\u6750\u6599\u3001\u8a98\u96fb\u4f53\u640d\u5931\u3092\u52a0\u901f\u52a0\u6c34\u5206\u89e3\u3002 \u6c5a\u67d3\u7269\u8cea\u3092\u5f62\u6210\u3067\u304d\u308b\u5c0e\u96fb\u6027\u306e\u30d1\u30b9\u3084\u8150\u98df\u7b49\u306e\u91d1\u5c5e\u4f1d\u5c0e\u4f53\u306e<\/p>\n

(2)\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3(\u542b\u6d78\uff09:\u00a0<\/strong><\/h6>\n

\u306e\u786c\u5316\u5857\u819c\u304c\u5f62\u6210\u306e\u9023\u7d9a\u3001\u975e\u591a\u5b54\u8cea\u306e\u30d0\u30ea\u30a2\u306f\u3001\u5dfb\u7dda\u8868\u9762\u3084\u5185\u90e8\u306e\u30ae\u30e3\u30c3\u30d7\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u306e\u30d0\u30ea\u30a2\u52b9\u679c\u7684\u306b\u30d6\u30ed\u30c3\u30af\u306e\u666e\u53ca\u306e\u5916\u90e8\u306e\u6e7f\u6c17\u3001\u30ac\u30b9\u3001\u304a\u3088\u3073\u6c5a\u67d3\u7269\u8cea \u307e\u305f\u5206\u96e2\u682a\u306e\u5dfb\u7dda\u5185\u90e8\u304b\u3089\u5916\u90e8\u74b0\u5883\u3092\u9632\u3050\u53ef\u80fd\u6027\u30af\u30ed\u30b9\u30b3\u30f3\u30bf\u30df\u30cd\u30fc\u30b7\u30e7\u30f3\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u306e\u9577\u671f\u5b89\u5b9a\u6027\u306b\u7d76\u7e01\u30b7\u30b9\u30c6\u30e0\u306e\u4e0b\u3067\u69d8\u3005\u306a\u53b3\u3057\u3044\u6761\u4ef6\u3067\u3059\u3002<\/p>\n\n\n\n\n\n\n\n\n
\u6027\u80fd\u306e\u6307\u6a19<\/b><\/strong><\/td>\n\u7121\u542b\u6d78\u5dfb<\/b><\/strong><\/td>\n\u771f\u7a7a\u52a0\u5727\u542b\u6d78\u5dfb<\/b><\/strong><\/td>\n\u4e3b\u306a\u7406\u7531\u306f\u6539\u5584<\/b><\/strong><\/td>\n<\/tr>\n
\u90e8\u5206\u653e\u96fb\u958b\u59cb\u96fb\u5727<\/td>\n\u4f4e<\/td>\n\u5927\u5e45\u306b\u5897\u52a0\u3057\u308c\u306b\u3088\u308a50%\u4ee5\u4e0a)<\/td>\n\u9664\u53bb\u30a8\u30a2\u30fc\u30ae\u30e3\u30c3\u30d7\u3092\u5747\u8cea\u5316\u306e\u96fb\u6c17\u5206\u91ce<\/td>\n<\/tr>\n
\u71b1\u4f1d\u5c0e\u7387<\/td>\n\u4f4e\u3044\u3066\u7a7a\u6c17\u306e\u5bfe\u6d41)<\/td>\n\u9ad8<\/td>\n\u8a2d\u7acb\u306e\u56fa\u4f53\u71b1\u4f1d\u5c0e\u30d1\u30b9\u3092\u5897\u52a0\u3057\u3001\u63a5\u89e6\u9762\u7a4d<\/td>\n<\/tr>\n
\u77ed\u7d61\u56de\u8def\u306e\u6a5f\u68b0\u7684\u5f37\u5ea6<\/td>\n\u5f31\u3044\u3084\u3059\u3044\u5f62<\/td>\n\u975e\u5e38\u306b\u5f37\u3044\u306e\u3067\u3001\u7a4d\u5c64\u525b\u6027<\/td>\n\u69cb\u9020\u63a5\u5408\u5f62\u6210\u306b\u3088\u308b\u786c\u5316\u5857\u819c<\/td>\n<\/tr>\n
\u8010\u6e7f\u6027\uff08\u6c34\u5206\u5438\u53ce\u7387\uff09<\/td>\n\u9ad8<\/td>\n\u975e\u5e38\u306b\u4f4e\u3044<\/td>\n\u3092\u5f62\u6210\u3057\u3001\u9ad8\u5bc6\u5ea6\u3067\u9023\u7d9a\u30b7\u30fc\u30eb\u4fdd\u8b77\u5c64<\/td>\n<\/tr>\n
\u671f\u5f85\u5bff\u547d<\/td>\n\u306f\u3001\u77ed\u671f\u9593\u3067\u9ad8\u306e\u5f71\u97ff\u306b\u3088\u308b\u74b0\u5883<\/td>\n\u9577\u671f\u9593\u3001\u5b89\u5b9a\u7684\u306b\u4fe1\u983c\u6027\u306e\u9ad8\u3044<\/td>\n\u7d44\u307f\u5408\u308f\u305b\u306b\u4e0a\u8a18\u306e\u8981\u56e0\u306f\u3001\u6e1b\u901f\u65ad\u71b1\u8001\u5316<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u88681\u306e\u6027\u80fd\u6bd4\u8f03\u5909\u5727\u5668\u5dfb\u7dda\u306e\u524d\u5f8c\u542b\u6d78\u51e6\u7406<\/div>\n
\"\"<\/a><\/div>\n

\u7d50\u8ad6<\/b><\/strong><\/h2>\n

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\u9023\u7d61\u5148<\/h2>\n

\u5eec\u5c71,est\u3002 1975\u5e74\u306b\u306f\u4e2d\u56fd\u306e\u5c02\u9580\u8077\u306e\u5c02\u9580\u30e1\u30fc\u30ab\u30fc\u306e\u96fb\u529b\u5909\u5727\u5668\u53ca\u3073\u539f\u5b50\u7089\u306e\u305f\u3081\u306e50+\u308b\u3002 \u4e3b\u88fd\u54c1 \u5358\u76f8\u30c8\u30e9\u30f3\u30b9\u3001\u4e09\u76f8\u7d76\u7e01\u5909\u5727\u5668\u3001\u96fb\u6c17\u30c8\u30e9\u30f3\u30b9\u3001\u7269\u6d41\u30c8\u30e9\u30f3\u30b9\u3001\u30b9\u30c6\u30c3\u30d7\u306e\u4e0b\u3001\u4fe1\u7528\u30ea\u30b9\u30af\u4ee5\u5916\u306e\u30ea\u30b9\u30af\u306b\u3064\u304d\u30c8\u30e9\u30f3\u30b9\u3001\u4f4e\u96fb\u5727\u30c8\u30e9\u30f3\u30b9\u3001\u9ad8\u96fb\u5727\u30c8\u30e9\u30f3\u30b9\u3001\u5236\u5fa1\u30c8\u30e9\u30f3\u30b9\u3001\u30c8\u30ed\u30a4\u30c0\u30eb\u30c8\u30e9\u30f3\u30b9\u3001R\u30b3\u30a2\u30c8\u30e9\u30f3\u30b9\u76f4\u6d41\u30a4\u30f3\u30c0\u30af\u30bf\u30fc\u3001AC\u7089\u3067\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u7089\u3001\u8ca0\u8377\u7089chokes\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306e\u539f\u5b50\u7089\u306f\u3001\u4e2d\u9593\u4f53\u3001\u9ad8\u5468\u6ce2\u88fd\u54c1<\/a>.<\/p>\n

\u5f53\u793e\u306e\u96fb\u529b\u5909\u5727\u5668\u53ca\u3073\u539f\u5b50\u7089\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u306610\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3:\u9ad8\u901f\u9244\u9053\u3001\u5efa\u8a2d\u6a5f\u68b0\u3001\u518d\u751f\u53ef\u80fd\u30a8\u30cd\u30eb\u30ae\u30fc\u3001\u30ed\u30dc\u30c3\u30c8\u3001\u533b\u7642\u6a5f\u5668\u3001\u70ad\u9271\u7206\u767a\u306e\u9632\u6b62\u3001\u52b1\u8d77\u30b7\u30b9\u30c6\u30e0\u3001\u771f\u7a7a\u713c\u7d50(\u7089)\u3001\u4e2d\u592e\u30a8\u30a2\u30b3\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u77e5\u96fb\u6e90\u30c8\u30e9\u30f3\u30b9\u539f\u5b50\u7089: www.lstransformer.com<\/a>.<\/p>\n

\u5e0c\u5f97\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u305f\u3081\u306e\u30c8\u30e9\u30f3\u30b9\u3084\u539f\u5b50\u7089\u3001\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002
\nWhatsApp\uff1a+86 13787095096
\n\u30e1\u30fc\u30eb:marketing@hnlsdz.com<\/p>","protected":false},"excerpt":{"rendered":"

Why Transformers Need Impregnation? For large power transformers, reactors, and high-frequency transformers, “impregnation” is not just a simple surface treatment\u2014it is a critical manufacturing process for the insulation system. This article delves into the necessity of transformer impregnation and provides a detailed explanation of the Vacuum Pressure Impregnation (VPI) process widely used in modern industry. 1. Why Must Transformers Undergo Impregnation Treatment? Transformers face multiple stresses during operation\u2014electrical, thermal, mechanical, and environmental. In windings without impregnation, conductors, layers, and the windings themselves are mainly isolated by air and solid insulating materials. However, air has poor insulating properties (low dielectric strength) and is easily affected by humidity and contaminants, making it […]<\/p>\n","protected":false},"author":1,"featured_media":7322,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[48],"tags":[],"class_list":["post-7319","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq"],"yoast_head":"\nWhy Transformers Need Impregnation? - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD Why Transformers Need Impregnation: Voids, Partial Discharge & Dielectric Strength<\/title>\n<meta name=\"description\" content=\"Impregnation exists to eliminate air voids in the insulation system. Trapped moisture creates voids that lower dielectric strength and increase partial-discharge risk; vacuum impregnation removes both moisture and air pockets, with longer vacuum and impregnation time producing lower PD levels. In oil-impregnated systems, vacuum oil filling can completely remove voids in paper and pressboard. 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Trapped moisture creates voids that lower dielectric strength and increase partial-discharge risk; vacuum impregnation removes both moisture and air pockets, with longer vacuum and impregnation time producing lower PD levels. In oil-impregnated systems, vacuum oil filling can completely remove voids in paper and pressboard. 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