{"id":1624,"date":"2026-05-08T00:00:00","date_gmt":"2026-05-08T00:00:00","guid":{"rendered":"http:\/\/yieou.com\/?post_type=products&#038;p=1624"},"modified":"2026-09-15T02:19:04","modified_gmt":"2026-09-15T02:19:04","slug":"jdzx11-15-20-voltage-transformer","status":"publish","type":"products","link":"https:\/\/yieou.com\/zh\/product\/jdzx11-15-20-voltage-transformer\/","title":{"rendered":"JDZX11-15\/20 Voltage Transformer"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u4ea7\u54c1\u6982\u8ff0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/yieou.com\/zh\/products\/\">JDZX11-15\/20 \u7535\u538b\u4e92\u611f\u5668<\/a> \u8fd9\u662f\u4e00\u79cd\u5168\u5c01\u95ed\u3001\u73af\u6c27\u6811\u8102\u6d47\u6ce8\u3001\u5e72\u5f0f\u7535\u538b\u4e92\u611f\u5668\uff0c\u5e26\u6709\u4e00\u4e2a\u6b8b\u538b\u7ed5\u7ec4\uff0c\u4e13\u4e3a\u5ba4\u5185 15 kV \u548c 20 kV \u4ea4\u6d41\u7535\u529b\u7cfb\u7edf\u8bbe\u8ba1\uff0c\u6700\u9ad8\u7cfb\u7edf\u7535\u538b\u4e3a 24 kV\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u53d8\u538b\u5668\u91c7\u7528\u4e00\u4f53\u5316\u9ad8\u722c\u7535\u3001\u8010\u6c61\u7f18\u8bbe\u8ba1\uff0c\u5177\u5907\u7535\u538b\u6d4b\u91cf\u3001\u7535\u80fd\u8ba1\u91cf\u3001\u7ee7\u7535\u4fdd\u62a4\u548c\u7edd\u7f18\u76d1\u6d4b\u529f\u80fd\uff0c\u9002\u7528\u4e8e\u4e2d\u538b <a href=\"https:\/\/en.wikipedia.org\/wiki\/Switchgear\" target=\"_blank\" rel=\"noopener\">switchgear<\/a>\u7bb1\u5f0f\u53d8\u7535\u7ad9\u3001\u5f00\u5173\u7ad9\u53ca\u5176\u4ed6\u5ba4\u5185\u914d\u7535\u8bbe\u5907\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u4ea7\u54c1\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u77ff\u4f01\u4e1a\u3001\u5546\u7528\u5efa\u7b51\u53ca\u5de5\u4e1a\u56ed\u533a\u5185\u768415\u5343\u4f0f\u548c20\u5343\u4f0f\u914d\u7535\u7cfb\u7edf\u3002\u7279\u522b\u9002\u7528\u4e8e\u4e2d\u6027\u70b9\u975e\u6709\u6548\u63a5\u5730\u7cfb\u7edf\u7684\u7edd\u7f18\u76d1\u6d4b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ea7\u54c1\u7279\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7edd\u7f18\u4e0e\u7535\u6c14\u6027\u80fd<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e13\u4e3a 15 kV \u548c 20 kV \u7cfb\u7edf\u8bbe\u8ba1\uff1a<\/strong><br>\u8be5\u53d8\u538b\u5668\u4e13\u4e3a\u4e2d\u538b\u7cfb\u7edf\u8bbe\u8ba1\uff0c\u6700\u9ad8\u8fd0\u884c\u7535\u538b\u4e3a 24 \u5343\u4f0f\u3002\u5b83\u80fd\u591f\u627f\u53d7 15 \u5343\u4f0f\u548c 20 \u5343\u4f0f\u914d\u7535\u7cfb\u7edf\u89c4\u5b9a\u7684\u5de5\u9891\u548c\u96f7\u7535\u51b2\u51fb\u8010\u53d7\u7535\u538b\u8bd5\u9a8c\u3002<\/li>\n\n\n\n<li><strong>Fully enclosed epoxy resin cast insulation:<\/strong><br>\u53d8\u538b\u5668\u91c7\u7528\u73af\u6c27\u6811\u8102\u771f\u7a7a\u6d47\u6ce8\u5de5\u827a\u6574\u4f53\u6210\u578b\u3002\u56fa\u4f53\u7edd\u7f18\u4f53\u5185\u90e8\u4e0d\u542b\u6c14\u9699\uff0c\u5177\u6709\u4f18\u5f02\u7684\u4ecb\u7535\u6027\u80fd\u3002<\/li>\n\n\n\n<li><strong>Low partial discharge:<\/strong><br>Partial discharge is limited to no more than 10 pC, helping reduce insulation ageing and improve long-term operational reliability.<\/li>\n\n\n\n<li><strong>Oil-free dry-type construction:<\/strong><br>\u8be5\u4ea7\u54c1\u4e0d\u542b\u7edd\u7f18\u6cb9\uff0c\u6d88\u9664\u4e86\u6f0f\u6cb9\u3001\u6cb9\u6c61\u67d3\u548c\u4e0e\u6cb9\u76f8\u5173\u7684\u706b\u707e\u9690\u60a3\u3002\u9002\u7528\u4e8e\u73b0\u4ee3\u5ba4\u5185\u65e0\u6cb9\u914d\u7535\u7cfb\u7edf\u3002<\/li>\n\n\n\n<li><strong>High pollution-flashover resistance:<\/strong><br>\u591a\u4f1e\u88d9\u7edd\u7f18\u7ed3\u6784\u663e\u8457\u589e\u52a0\u4e86\u722c\u7535\u8ddd\u79bb\uff0c\u63d0\u9ad8\u4e86\u5728\u6f6e\u6e7f\u6216\u6c61\u67d3\u73af\u5883\u4e0b\u7684\u8010\u8868\u9762\u95ea\u7edc\u80fd\u529b\u3002<\/li>\n\n\n\n<li><strong>\u591a\u529f\u80fd\u7ed5\u7ec4\u914d\u7f6e<\/strong><br>\u5185\u7f6e\u6b8b\u538b\u7ed5\u7ec4\u63d0\u4f9b100\/3 V\u8f93\u51fa\uff0c\u7528\u4e8e\u63a5\u5730\u6545\u969c\u68c0\u6d4b\u548c\u7edd\u7f18\u76d1\u6d4b\u3002\u9002\u7528\u4e8e\u4e09\u76f8\u4e94\u67f1\u5f0f\u7535\u538b\u4e92\u611f\u5668\u8fde\u63a5\u65b9\u5f0f\u3002<\/li>\n\n\n\n<li><strong>\u591a\u79cd\u7535\u538b\u6bd4\u548c\u7cbe\u5ea6\u7b49\u7ea7<\/strong><br>\u63d0\u4f9b15\/0.1\/0.1\/3\u5343\u4f0f\u548c20\/0.1\/0.1\/3\u5343\u4f0f\u7b49\u6807\u51c6\u7535\u538b\u6bd4\u3002\u53ef\u63d0\u4f9b\u9ad8\u8fbe0.2\u7ea7\u7684\u8ba1\u91cf\u7cbe\u5ea6\u7b49\u7ea7\uff0c\u800c3P\u548c6P\u7b49\u4fdd\u62a4\u7cbe\u5ea6\u7b49\u7ea7\u53ef\u5b9a\u5236\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ed3\u6784\u548c\u5b89\u88c5\u7279\u70b9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fully enclosed dry-type structure:<\/strong><br>\u7ed5\u7ec4\u548c\u5e26\u7535\u90e8\u4ef6\u5b8c\u5168\u5c01\u88c5\u5728\u73af\u6c27\u6811\u8102\u6d47\u6ce8\u4f53\u4e2d\u3002\u8be5\u4ea7\u54c1\u63d0\u4f9b IP20 \u9632\u62a4\u7b49\u7ea7\uff0c\u4e0d\u542b\u7edd\u7f18\u6cb9\u3002<\/li>\n\n\n\n<li><strong>Compact construction:<\/strong><br>\u7d27\u51d1\u7684\u7ed3\u6784\u5360\u7528\u6709\u9650\u7684\u5b89\u88c5\u7a7a\u95f4\uff0c\u5e76\u517c\u5bb9\u6807\u51c6\u7684 15 kV \u548c 20 kV \u5f00\u5173\u8bbe\u5907\u5b89\u88c5\u5c3a\u5bf8\u3002<\/li>\n\n\n\n<li><strong>Clearly identified secondary terminals:<\/strong><br>\u4e8c\u6b21\u7aef\u5b50\u914d\u6709\u7aef\u5b50\u76d6\u4fdd\u62a4\uff0c\u5e76\u6e05\u6670\u6807\u8bb0\uff0c\u65b9\u4fbf\u63a5\u7ebf\u3002\u6839\u636e\u5f00\u5173\u8bbe\u5907\u4e8c\u6b21\u63a5\u7ebf\u8bbe\u8ba1\uff0c\u53ef\u5355\u72ec\u8fde\u63a5\u8ba1\u91cf\u3001\u4fdd\u62a4\u548c\u6b8b\u538b\u56de\u8def\u3002<\/li>\n\n\n\n<li><strong>Secure bolt mounting:<\/strong><br>The metal base is provided with mounting holes for horizontal bolt installation inside indoor switchgear. The structure provides reliable mechanical stability and vibration resistance.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u64cd\u4f5c\u4e0e\u7ef4\u62a4\u7279\u6027<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Low-maintenance operation:<\/strong><br>\u5e72\u5f0f\u65e0\u6cb9\u8bbe\u8ba1\u6d88\u9664\u4e86\u6cc4\u6f0f\u548c\u6cb9\u76f8\u5173\u7684\u706b\u707e\u98ce\u9669\u3002\u73af\u6c27\u6811\u8102\u6d47\u6ce8\u4f53\u63d0\u4f9b\u9ad8\u673a\u68b0\u5f3a\u5ea6\u3001\u6297\u51b2\u51fb\u6027\u548c\u8010\u8001\u5316\u6027\uff0c\u6709\u52a9\u4e8e\u51cf\u5c11\u65e5\u5e38\u7ef4\u62a4\u9700\u6c42\u3002<\/li>\n\n\n\n<li><strong>Wide operating temperature range:<\/strong><br>The transformer can operate at ambient temperatures from -30\u00b0C to +70\u00b0C. The epoxy resin maintains stable insulation and mechanical properties under both high- and low-temperature conditions.<\/li>\n\n\n\n<li><strong>High-reliability construction:<\/strong><br>\u78c1\u82af\u7531\u4f18\u8d28\u53e0\u7247\u7845\u94a2\u7247\u5236\u6210\uff0c\u800c\u7ed5\u7ec4\u5219\u7528\u6f06\u5305\u94dc\u7ebf\u7ed5\u5236\u3002<\/li>\n\n\n\n<li><strong>Low operating losses:<\/strong><br>\u4f18\u5316\u7684\u78c1\u82af\u548c\u7ed5\u7ec4\u8bbe\u8ba1\u53ef\u5b9e\u73b0\u4f4e\u529f\u7387\u635f\u8017\u3001\u6709\u9650\u7684\u6e29\u5347\u548c\u7a33\u5b9a\u7684\u6d4b\u91cf\u7cbe\u5ea6\u3002<\/li>\n\n\n\n<li><strong>Overvoltage withstand capability:<\/strong><br>\u53d8\u538b\u5668\u53ef\u5728\u5176\u89c4\u5b9a\u7684\u7edd\u7f18\u6c34\u5e73\u5185\u627f\u53d7\u5f00\u5173\u548c\u96f7\u7535\u8fc7\u7535\u538b\uff0c\u786e\u4fdd\u53ef\u9760\u7684\u8ba1\u91cf\u3001\u4fdd\u62a4\u548c\u7edd\u7f18\u76d1\u6d4b\u4fe1\u53f7\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u6280\u672f\u89c4\u683c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7535\u6c14\u53c2\u6570<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u53c2\u6570<\/th><th>\u89c4\u683c<\/th><\/tr><\/thead><tbody><tr><td>\u9002\u7528\u7cfb\u7edf\u7535\u538b<\/td><td>15 \u5343\u4f0f \/ 20 \u5343\u4f0f \u4ea4\u6d41\u7535\uff0c\u6700\u9ad8\u5de5\u4f5c\u7535\u538b = 24 \u5343\u4f0f<\/td><\/tr><tr><td>\u989d\u5b9a\u9891\u7387<\/td><td>50 \u8d6b\u5179<\/td><\/tr><tr><td>Rated Primary Voltage<\/td><td>15 \u5343\u4f0f \/ 20 \u5343\u4f0f<\/td><\/tr><tr><td>Rated Secondary Voltage<\/td><td>100 V \u7528\u4e8e\u8ba1\u91cf\u548c\u4fdd\u62a4\uff1b100\/3 V \u7528\u4e8e\u6b8b\u538b\u548c\u7edd\u7f18\u76d1\u6d4b<\/td><\/tr><tr><td>Metering Accuracy Class<\/td><td>0.2 \/ 0.5 \/ 1 \u7b49\u7ea7<\/td><\/tr><tr><td>Protection Accuracy Class<\/td><td>3P \/ 6P<\/td><\/tr><tr><td>\u5de5\u9891\u8010\u538b<\/td><td>\u9ad8\u538b\u7aef50\u5343\u4f0f\uff0c\u6301\u7eed1\u5206\u949f\uff0c\u65e0\u51fb\u7a7f<\/td><\/tr><tr><td>\u96f7\u7535\u51b2\u51fb\u8010\u53d7\u7535\u538b<\/td><td>95\u5343\u4f0f\u5cf0\u503c\uff0c\u65e0\u51fb\u7a7f<\/td><\/tr><tr><td>\u5c40\u90e8\u653e\u7535<\/td><td>\u226410 pC<\/td><\/tr><tr><td>\u7edd\u7f18\u7535\u963b<\/td><td>\u22651,000 M\u03a9 between high voltage, low voltage, and earth<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ed3\u6784\u548c\u6750\u6599\u53c2\u6570<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u53c2\u6570<\/th><th>\u89c4\u683c<\/th><\/tr><\/thead><tbody><tr><td>\u7edd\u7f18\u4ecb\u8d28<\/td><td>Fully cast epoxy resin<\/td><\/tr><tr><td>\u9632\u62a4\u7b49\u7ea7<\/td><td>IP20<\/td><\/tr><tr><td>Installation Type<\/td><td>\u5ba4\u5185\u67f1\u5f0f\u87ba\u6813\u5b89\u88c5<\/td><\/tr><tr><td>\u70ed\u7b49\u7ea7<\/td><td>Class B, 130\u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u73af\u5883\u53c2\u6570<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u53c2\u6570<\/th><th>\u89c4\u683c<\/th><\/tr><\/thead><tbody><tr><td>Installation Altitude<\/td><td>\u22642,000 m; high-altitude versions available<\/td><\/tr><tr><td>\u5de5\u4f5c\u6e29\u5ea6<\/td><td>-30\u00b0C \u81f3 +70\u00b0C<\/td><\/tr><tr><td>Storage Temperature<\/td><td>-40\u00b0C \u81f3 +85\u00b0C<\/td><\/tr><tr><td>\u76f8\u5bf9\u6e7f\u5ea6<\/td><td>\u226495%, non-condensing<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u9002\u7528\u6807\u51c6<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Standard<\/th><th>\u63cf\u8ff0<\/th><\/tr><\/thead><tbody><tr><td>GB 1207<\/td><td>Voltage Transformers<\/td><\/tr><tr><td>GB\/T 20840 Series<\/td><td>Instrument Transformers<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e94\u7528<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u9002\u7528\u7535\u538b\u7b49\u7ea7<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">JDZX11-15\/20 \u578b\u7535\u538b\u4e92\u611f\u5668\u9002\u7528\u4e8e 15kV \u548c 20kV \u4ea4\u6d41\u7535\u529b\u7cfb\u7edf\u4e2d\uff0c\u6700\u9ad8\u7cfb\u7edf\u7535\u538b\u4e3a 24kV \u7684\u6237\u5185\u73af\u5883\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Typical Applications<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5ba4\u5185\u4e2d\u538b\u5f00\u5173\u67dc\u7684\u7535\u538b\u6d4b\u91cf\u3001\u7535\u80fd\u8ba1\u91cf\u548c\u7ee7\u7535\u4fdd\u62a4<\/li>\n\n\n\n<li>Voltage monitoring in box-type substations<\/li>\n\n\n\n<li>15\u5343\u4f0f\u548c20\u5343\u4f0f\u53d8\u7535\u7ad9\u914d\u7535\u7cfb\u7edf<\/li>\n\n\n\n<li>\u5de5\u77ff\u4f01\u4e1a\u4f9b\u7535\u7cfb\u7edf<\/li>\n\n\n\n<li>Commercial buildings and industrial parks<\/li>\n\n\n\n<li>\u975e\u6709\u6548\u63a5\u5730\u4e2d\u6027\u70b9\u7cfb\u7edf\u4e2d\u7684\u7edd\u7f18\u76d1\u6d4b<\/li>\n\n\n\n<li>\u4e09\u76f8\u4e94\u67f1\u5f0f\u7535\u538b\u4e92\u611f\u5668\u63a5\u7ebf\u65b9\u5f0f<\/li>\n\n\n\n<li>Indoor distribution environments requiring enhanced resistance to humidity and pollution flashover<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3b\u8981\u529f\u80fd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The voltage transformer converts the system high voltage into a standardized secondary voltage, typically 100 V, at a specified ratio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It supplies voltage signals to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Energy meters<\/li>\n\n\n\n<li>Measuring instruments<\/li>\n\n\n\n<li>Relay protection devices<\/li>\n\n\n\n<li>Monitoring equipment<\/li>\n\n\n\n<li>Control systems<\/li>\n\n\n\n<li>Insulation monitoring devices<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The transformer also provides electrical isolation between the primary and secondary systems, helping protect connected equipment and operating personnel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b8b\u538b\u7ed5\u7ec4\u4e3a\u63a5\u5730\u6545\u969c\u68c0\u6d4b\u548c\u7edd\u7f18\u76d1\u6d4b\u63d0\u4f9b\u4fe1\u53f7\uff0c\u652f\u6301\u975e\u6709\u6548\u63a5\u5730\u4e2d\u538b\u7cfb\u7edf\u5b89\u5168\u8fd0\u884c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u64cd\u4f5c\u6761\u4ef6<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b63\u5e38\u8fd0\u884c\u6761\u4ef6<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Installation altitude: no more than 2,000 m<\/li>\n\n\n\n<li>Ambient temperature: -30\u00b0C to +70\u00b0C<\/li>\n\n\n\n<li>Severe or sudden temperature changes should be avoided<\/li>\n\n\n\n<li>Relative humidity: no more than 95%, non-condensing<\/li>\n\n\n\n<li>The environment should be free from corrosive gases<\/li>\n\n\n\n<li>Flammable or explosive substances are not permitted<\/li>\n\n\n\n<li>Severe vibration and mechanical impact should be avoided<\/li>\n\n\n\n<li>Significant dust and salt-spray contamination should be avoided<\/li>\n\n\n\n<li>Indoor post-type installation<\/li>\n\n\n\n<li>Direct sunlight, rain, and condensation should be avoided<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Special Operating Conditions<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Customized products are required for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Installation altitudes above 2,000 m<\/li>\n\n\n\n<li>Ambient temperatures outside the range of -30\u00b0C to +70\u00b0C<\/li>\n\n\n\n<li>Severe pollution or salt-spray environments<\/li>\n\n\n\n<li>Chemically corrosive environments<\/li>\n\n\n\n<li>Applications involving strong vibration or mechanical impact<\/li>\n\n\n\n<li>Non-standard voltage ratios<\/li>\n\n\n\n<li>Special accuracy classes<\/li>\n\n\n\n<li>Non-standard mounting dimensions<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b89\u88c5\u4e0e\u7ef4\u62a4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b89\u88c5\u8981\u6c42<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Pre-installation inspection:<\/strong><br>\u68c0\u67e5\u7535\u538b\u4e92\u611f\u5668\uff0c\u786e\u8ba4\u6d47\u6ce8\u4f53\u65e0\u88c2\u7eb9\u3001\u6c14\u6ce1\u3001\u673a\u68b0\u635f\u4f24\u53ca\u5176\u4ed6\u53ef\u89c1\u7f3a\u9677\u3002\u68c0\u67e5\u6240\u6709\u7aef\u5b50\u6807\u8bb0\u662f\u5426\u6e05\u6670\uff0c\u9644\u4ef6\u662f\u5426\u9f50\u5168\u3002\u6838\u5b9e\u578b\u53f7\u3001\u89c4\u683c\u3001\u7535\u538b\u6bd4\u53ca\u51c6\u786e\u5ea6\u7b49\u7ea7\u662f\u5426\u7b26\u5408\u7cfb\u7edf\u8bbe\u8ba1\u8981\u6c42\u3002\u786e\u8ba4\u6b8b\u538b\u7ed5\u7ec4\u53c2\u6570\u7b26\u5408\u7edd\u7f18\u76d1\u6d4b\u7cfb\u7edf\u8981\u6c42\u3002<\/li>\n\n\n\n<li><strong>Mounting:<\/strong><br>Position the voltage transformer at the specified location inside the switchgear and secure it with bolts through the mounting holes in the base. Ensure that the transformer is firmly installed without looseness or displacement. The mounting surface should be level to avoid uneven mechanical stress.<\/li>\n\n\n\n<li><strong>High-voltage-side connection:<\/strong><br>\u6309\u7167\u7cfb\u7edf\u8bbe\u8ba1\u8fde\u63a5\u9ad8\u538b\u7aef\u5b50\u3002\u786e\u4fdd\u6240\u6709\u8fde\u63a5\u7262\u56fa\uff0c\u5e76\u63d0\u4f9b\u53ef\u9760\u7684\u7535\u6c14\u63a5\u89e6\u3002\u4fdd\u6301\u9ad8\u538b\u5bfc\u4f53\u3001\u63a5\u5730\u90e8\u4ef6\u548c\u5176\u4ed6\u5e26\u7535\u90e8\u4ef6\u4e4b\u95f4\u6709\u8db3\u591f\u7684\u7535\u6c14\u95f4\u9699\uff0c\u4ee5\u9632\u6b62\u653e\u7535\u3002<\/li>\n\n\n\n<li><strong>Low-voltage-side connection:<\/strong><br>\u6309\u7167\u6807\u8bb0\u8fde\u63a5\u4e8c\u6b21\u4fa7\u7aef\u5b50\u3002\u8ba1\u91cf\u3001\u4fdd\u62a4\u548c\u6b8b\u538b\u56de\u8def\u5fc5\u987b\u5206\u5f00\u6b63\u786e\u63a5\u7ebf\u3002\u4e8c\u6b21\u56de\u8def\u5728\u8fd0\u884c\u671f\u95f4\u4e0d\u5f97\u77ed\u8def\u3002\u4e8c\u6b21\u56de\u8def\u7684\u4e00\u70b9\u5fc5\u987b\u6839\u636e\u7cfb\u7edf\u8bbe\u8ba1\u548c\u9002\u7528\u7684\u7535\u6c14\u5b89\u5168\u8981\u6c42\u53ef\u9760\u63a5\u5730\u3002<\/li>\n\n\n\n<li><strong>Insulation inspection:<\/strong><br>After installation, measure the insulation resistance between:<ul><li>High voltage and low voltage<\/li><li>High voltage and earth<\/li><li>Low voltage and earth<\/li><\/ul>\u5728\u7ed9\u53d8\u538b\u5668\u901a\u7535\u524d\uff0c\u786e\u8ba4\u4e8c\u6b21\u63a5\u7ebf\u6b63\u786e\uff0c\u6ca1\u6709\u610f\u5916\u7684\u77ed\u8def\u6216\u5f00\u8def\u3002\u5728\u6295\u5165\u8fd0\u884c\u524d\uff0c\u6d4b\u8bd5\u6b8b\u4f59\u7535\u538b\u56de\u8def\u548c\u7edd\u7f18\u76d1\u6d4b\u529f\u80fd\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ef4\u62a4\u8981\u6c42<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Regularly inspect the epoxy resin body for cracks, mechanical damage, discharge marks, and contamination.<\/li>\n\n\n\n<li>Check the high-voltage terminals for looseness, oxidation, or abnormal heating.<\/li>\n\n\n\n<li>\u68c0\u67e5\u7edd\u7f18\u68da\u662f\u5426\u6709\u79ef\u5c18\u6216\u6c61\u67d3\u7269\u3002<\/li>\n\n\n\n<li>\u5b9a\u671f\u68c0\u67e5\u9ad8\u538b\u548c\u4f4e\u538b\u7ebf\u8def\uff0c\u786e\u4fdd\u6240\u6709\u8fde\u63a5\u7262\u56fa\uff0c\u6ca1\u6709\u8fc7\u70ed\u6216\u53d8\u8272\u7684\u8ff9\u8c61\u3002<\/li>\n\n\n\n<li>Confirm that the secondary-circuit earthing remains reliable.<\/li>\n\n\n\n<li>Periodically test the insulation resistance and voltage ratio to verify that the metering and protection accuracy remain within the specified limits.<\/li>\n\n\n\n<li>\u5b9a\u671f\u68c0\u67e5\u5269\u4f59\u7535\u538b\u56de\u8def\u548c\u7edd\u7f18\u76d1\u6d4b\u529f\u80fd\u3002<\/li>\n\n\n\n<li>Clean dust and contamination from the transformer surface and insulating sheds.<\/li>\n\n\n\n<li>Prevent oil and corrosive substances from contacting the epoxy resin body.<\/li>\n\n\n\n<li>\u5982\u679c\u68c0\u6d4b\u5230\u5f00\u88c2\u3001\u7535\u51fb\u3001\u8fc7\u70ed\u3001\u7535\u538b\u6bd4\u8bef\u5dee\u8fc7\u5927\u6216\u529f\u80fd\u5931\u6548\uff0c\u8bf7\u7acb\u5373\u65ad\u7535\u5e76\u68c0\u67e5\u8bbe\u5907\u3002\u5fc5\u8981\u65f6\u66f4\u6362\u53d8\u538b\u5668\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u6ce8\u610f\u4e8b\u9879<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u53d8\u538b\u5668\u5e26\u7535\u8fd0\u884c\u65f6\uff0c\u4e8c\u6b21\u7ed5\u7ec4\u4e0d\u5f97\u77ed\u8def\u3002\u4e8c\u6b21\u77ed\u8def\u53ef\u80fd\u4ea7\u751f\u8fc7\u5927\u7535\u6d41\uff0c\u5bf9\u8bbe\u5907\u548c\u4eba\u5458\u9020\u6210\u4e25\u91cd\u98ce\u9669\u3002\u7ef4\u62a4\u671f\u95f4\uff0c\u5fc5\u987b\u65ad\u5f00\u53d8\u538b\u5668\u7535\u6e90\uff0c\u5e76\u6309\u7167\u9002\u7528\u89c4\u7a0b\u5b89\u5168\u5730\u9694\u79bb\u548c\u63a5\u5730\u4e8c\u6b21\u56de\u8def\u3002<\/li>\n\n\n\n<li>Avoid impact or collision with the epoxy resin body, high-voltage terminals, and insulating sheds during transportation and installation. Mechanical damage may reduce insulation performance and pollution-flashover resistance.<\/li>\n\n\n\n<li>\u4f7f\u7528\u5408\u9002\u7684\u7edd\u7f18\u5bfc\u4f53\u8fdb\u884c\u9ad8\u538b\u8fde\u63a5\u3002\u4e0e\u63a5\u5730\u90e8\u4ef6\u548c\u5176\u4ed6\u5e26\u7535\u90e8\u4ef6\u4fdd\u6301\u8db3\u591f\u7684\u7535\u6c14\u95f4\u9699\uff0c\u4ee5\u9632\u6b62\u76f8\u95f4\u6216\u5bf9\u5730\u653e\u7535\u3002<\/li>\n\n\n\n<li>\u8bbe\u5907\u5fc5\u987b\u53ef\u9760\u63a5\u5730\u3002\u91d1\u5c5e\u5e95\u5ea7\u4e0a\u7684\u63a5\u5730\u7aef\u5b50\u5fc5\u987b\u7262\u56fa\u8fde\u63a5\u5230\u5f00\u5173\u8bbe\u5907\u7684\u63a5\u5730\u6bcd\u7ebf\u4e0a\u3002<\/li>\n\n\n\n<li>Store the product in a dry, ventilated, and shaded environment. Avoid direct sunlight, high temperatures, moisture, compression, and mechanical impact.<\/li>\n\n\n\n<li>Installation, commissioning, and maintenance must be carried out by qualified electrical personnel in accordance with applicable electrical safety procedures.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u6807\u51c6\u4f9b\u5e94\u6e05\u5355<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u4e0d\u3002<\/th><th>\u7269\u54c1<\/th><th>\u529f\u80fd<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>JDZX11-15\/20 Voltage Transformer<\/td><td>\u7535\u538b\u53d8\u6362\u3001\u7535\u6c14\u9694\u79bb\u548c\u7edd\u7f18\u76d1\u6d4b\u7684\u4e3b\u8981\u8bbe\u5907<\/td><\/tr><tr><td>2<\/td><td>\u5b89\u88c5\u87ba\u6813\u548c\u57ab\u5708<\/td><td>Used to secure the voltage transformer during installation<\/td><\/tr><tr><td>3<\/td><td>\u6b21\u7ea7\u7aef\u5b50\u76d6<\/td><td>Protects the low-voltage terminals and helps prevent incorrect connection or short circuits<\/td><\/tr><tr><td>4<\/td><td>Product Instruction Manual<\/td><td>\u63d0\u4f9b\u5b89\u88c5\u3001\u64cd\u4f5c\u3001\u7ef4\u62a4\u548c\u7edd\u7f18\u76d1\u6d4b\u7535\u8def\u63a5\u7ebf\u6307\u5357<\/td><\/tr><tr><td>5<\/td><td>Product Certificate and Factory Test Report<\/td><td>\u63d0\u4f9b\u4ea7\u54c1\u8d28\u91cf\u548c\u6027\u80fd\u6587\u4ef6\uff0c\u5305\u62ec\u7535\u538b\u6bd4\u3001\u7cbe\u5ea6\u548c\u6b8b\u538b\u7535\u8def\u6d4b\u8bd5\u6570\u636e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Applicable Standards and Certification<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The product complies with the following standards:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GB 1207, <em>Voltage Transformers<\/em><\/li>\n\n\n\n<li>GB\/T 20840.1, <em>Instrument Transformers\u2014Part 1: General Requirements<\/em><\/li>\n\n\n\n<li>GB\/T 20840.3, <em>Instrument Transformers\u2014Part 3: Additional Requirements for Inductive Voltage Transformers<\/em><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u4ea7\u54c1\u5df2\u901a\u8fc7\u9002\u7528\u7684\u578b\u5f0f\u8bd5\u9a8c\uff0c\u5176\u6027\u80fd\u6ee1\u8db3\u5ba4\u5185 15 \u5343\u4f0f\u548c 20 \u5343\u4f0f\u7535\u529b\u7cfb\u7edf\u7684\u8fd0\u884c\u8981\u6c42\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1020\" height=\"810\" src=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JDZX11-15-20-Voltage-Transformer\uff081\uff09.webp\" alt=\"JDZX11-15 20 \u7535\u538b\u4e92\u611f\u5668\uff081\uff09\" class=\"wp-image-2568\" srcset=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JDZX11-15-20-Voltage-Transformer\uff081\uff09.webp 1020w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JDZX11-15-20-Voltage-Transformer\uff081\uff09-300x238.webp 300w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JDZX11-15-20-Voltage-Transformer\uff081\uff09-768x610.webp 768w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JDZX11-15-20-Voltage-Transformer\uff081\uff09-15x12.webp 15w\" sizes=\"(max-width: 1020px) 100vw, 1020px\" \/><\/figure>\n\n    <div class=\"xs_social_share_widget xs_share_url after_content \t\tmain_content  wslu-style-1 wslu-share-box-shaped wslu-fill-colored wslu-none wslu-share-horizontal wslu-theme-font-no wslu-main_content\">\n\n\t\t\n        <ul>\n\t\t\t        <\/ul>\n    <\/div>","protected":false},"excerpt":{"rendered":"<p>Product Overview The JDZX11-15\/20 Voltage Transformer is a fully enclosed, epoxy resin cast, dry-type voltage transformer with a residual voltage [&hellip;]<\/p>\n","protected":false},"featured_media":2567,"template":"","meta":{"_acf_changed":true,"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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","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 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kV.<\/p>","pdf_file":"","related_products":{"products":""},"technical_parameter":"","outline_and_installation_dimension":""},"_links":{"self":[{"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/products\/1624","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/types\/products"}],"acf:attachment":[{"embeddable":true,"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/media\/2567"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/media\/2567"}],"wp:attachment":[{"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/media?parent=1624"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/product_category?post=1624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}