{"id":1619,"date":"2026-05-08T00:00:00","date_gmt":"2026-05-08T00:00:00","guid":{"rendered":"http:\/\/yieou.com\/?post_type=products&#038;p=1619"},"modified":"2026-09-15T02:10:47","modified_gmt":"2026-09-15T02:10:47","slug":"jdzc-3-jdzc-6-and-jdzc-10-voltage-transformers","status":"publish","type":"products","link":"https:\/\/yieou.com\/zh\/product\/jdzc-3-jdzc-6-and-jdzc-10-voltage-transformers\/","title":{"rendered":"JDZC-3, JDZC-6, and JDZC-10 Voltage Transformers"},"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\/\" data-type=\"link\" data-id=\"https:\/\/yieou.com\/products\/\">JDZC-3\u3001JDZC-6 \u548c JDZC-10 \u7535\u538b\u4e92\u611f\u5668<\/a> \u5168\u5c01\u95ed\u5e72\u5f0f\u6d47\u6ce8\u5f0f\u7535\u538b\u4e92\u611f\u5668\uff0c\u4e13\u4e3a\u5ba4\u5185 3 kV\u30016 kV \u548c 10 kV \u4ea4\u6d41\u7535\u529b\u7cfb\u7edf\u8bbe\u8ba1\uff0c\u6700\u9ad8\u7cfb\u7edf\u7535\u538b\u4e3a 12 kV\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53d8\u538b\u5668\u91c7\u7528\u6574\u4f53\u73af\u6c27\u6811\u8102\u6d47\u6ce8\u7edd\u7f18\u7ed3\u6784\u3002\u78c1\u82af\u91c7\u7528\u4f18\u8d28\u53e0\u7247\u7845\u94a2\u7247\uff0c\u7ed5\u7ec4\u91c7\u7528\u6f06\u5305\u94dc\u7ebf\u3002\u5b83\u4eec\u5177\u6709\u4f18\u826f\u7684\u7edd\u7f18\u6027\u80fd\u3001\u53ef\u9760\u7684\u8fd0\u884c\u3001\u7a33\u5b9a\u7684\u7cbe\u5ea6\u7279\u6027\u4ee5\u53ca\u5f3a\u5927\u7684\u6297\u6c61\u95ea\u80fd\u529b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u4ea7\u54c1\u4e3b\u8981\u7528\u4e8e\u7535\u538b\u6d4b\u91cf\u3001\u7535\u80fd\u8ba1\u91cf\u3001\u7ee7\u7535\u4fdd\u62a4\u548c\u7edd\u7f18\u76d1\u6d4b\u3002\u5178\u578b\u5e94\u7528\u5305\u62ec\u5ba4\u5185\u4e2d\u538b <a href=\"https:\/\/en.wikipedia.org\/wiki\/Switchgear\" data-type=\"link\" data-id=\"https:\/\/en.wikipedia.org\/wiki\/Switchgear\" target=\"_blank\" rel=\"noopener\">switchgear<\/a>\u7bb1\u5f0f\u53d8\u7535\u7ad9\u3001\u914d\u7535\u7ad9\u53ca\u5176\u4ed6\u914d\u7535\u8bbe\u65bd\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>Fully enclosed epoxy resin cast insulation:<\/strong><br>\u53d8\u538b\u5668\u91c7\u7528\u73af\u6c27\u6811\u8102\u771f\u7a7a\u6d47\u6ce8\u6574\u4f53\u6210\u578b\u5de5\u827a\u3002\u56fa\u4f53\u7edd\u7f18\u4e3b\u4f53\u5185\u90e8\u65e0\u6c14\u9699\uff0c\u4ecb\u7535\u6027\u80fd\u4f18\u5f02\u3002\u80fd\u591f\u6ee1\u8db3\u76f8\u5e94\u7535\u529b\u7cfb\u7edf\u7684\u5de5\u4f5c\u7535\u538b\u3001\u5de5\u9891\u8010\u53d7\u7535\u538b\u548c\u96f7\u7535\u51b2\u51fb\u8010\u53d7\u7535\u538b\u7684\u8981\u6c42\u3002<\/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\u6cb9\u6d78\u5f0f\u8bbe\u5907\u76f8\u5173\u7684\u6f0f\u6cb9\u3001\u6cb9\u6c61\u67d3\u548c\u706b\u707e\u98ce\u9669\u3002\u9002\u7528\u4e8e\u73b0\u4ee3\u5ba4\u5185\u65e0\u6cb9\u914d\u7535\u7cfb\u7edf\u3002<\/li>\n\n\n\n<li><strong>Multiple voltage ratings:<\/strong><br>\u578b\u53f7\u9002\u7528\u4e8e 3 kV\u30016 kV \u548c 10 kV \u7cfb\u7edf\u3002\u53ef\u6839\u636e\u7cfb\u7edf\u8981\u6c42\u914d\u7f6e 10\/0.1 kV \u548c 6\/0.1 kV \u7b49\u7535\u538b\u6bd4\u3002<\/li>\n\n\n\n<li><strong>Multiple accuracy classes:<\/strong><br>Metering accuracy classes of 0.2, 0.5, and 1 and protection accuracy classes of 3P and 6P are available for metering, protection, and insulation-monitoring applications.<\/li>\n\n\n\n<li><strong>High pollution-flashover resistance:<\/strong><br>\u9ad8\u538b\u7aef\u5b50\u91c7\u7528\u4f1e\u578b\u7edd\u7f18\u7ed3\u6784\uff0c\u589e\u52a0\u4e86\u722c\u7535\u8ddd\u79bb\uff0c\u63d0\u9ad8\u4e86\u5728\u6c61\u67d3\u5ba4\u5185\u73af\u5883\u4e0b\u7684\u6297\u8868\u9762\u95ea\u7edc\u80fd\u529b\u3002<\/li>\n\n\n\n<li><strong>Low partial discharge:<\/strong><br>The advanced casting process limits partial discharge to no more than 10 pC, helping reduce insulation ageing and improve long-term operating reliability.<\/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>\u4e00\u4f53\u5f0f\u538b\u94f8\u7ed3\u6784\u5c01\u88c5\u4e86\u78c1\u82af\u3001\u7ed5\u7ec4\u548c\u5e26\u7535\u90e8\u4ef6\u3002\u5b83\u63d0\u4f9b\u4e86 IP20 \u9632\u62a4\u7b49\u7ea7\u548c\u7d27\u51d1\u7684\u7ed3\u6784\uff0c\u5b89\u88c5\u7a7a\u95f4\u6781\u5c0f\u3002<\/li>\n\n\n\n<li><strong>Modular design:<\/strong><br>\u6807\u51c6\u5316\u7684\u5b89\u88c5\u5c3a\u5bf8\u7b80\u5316\u4e86\u5f00\u5173\u67dc\u5185\u7684\u5b89\u88c5\uff0c\u5e76\u652f\u6301\u6279\u91cf\u66f4\u6362\u548c\u4f8b\u884c\u7ef4\u62a4\u3002<\/li>\n\n\n\n<li><strong>Clearly identified terminals:<\/strong><br>\u9ad8\u538b\u7aef\u5b50\u6709\u6e05\u6670\u7684\u6807\u8bb0\uff0c\u800c\u4f4e\u538b\u7aef\u5b50\u5219\u7531\u63a5\u7ebf\u76d2\u76d6\u4fdd\u62a4\u3002\u8fd9\u79cd\u8bbe\u8ba1\u7b80\u5316\u4e86\u63a5\u7ebf\uff0c\u5e76\u6709\u52a9\u4e8e\u9632\u6b62\u63a5\u7ebf\u9519\u8bef\u548c\u610f\u5916\u7684\u4e8c\u6b21\u77ed\u8def\u3002<\/li>\n\n\n\n<li><strong>Flexible installation:<\/strong><br>The metal base includes mounting holes for secure bolt installation. The transformer can be installed horizontally or vertically inside indoor switchgear and provides reliable resistance to vibration.<\/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\u706b\u707e\u9690\u60a3\u3002\u73af\u6c27\u6811\u8102\u5916\u58f3\u63d0\u4f9b\u9ad8\u673a\u68b0\u5f3a\u5ea6\u3001\u6297\u51b2\u51fb\u6027\u548c\u8010\u8001\u5316\u6027\uff0c\u51cf\u5c11\u4e86\u65e5\u5e38\u7ef4\u62a4\u9700\u6c42\u3002<\/li>\n\n\n\n<li><strong>Wide operating temperature range:<\/strong><br>\u53d8\u538b\u5668\u53ef\u5728-30\u00b0C\u81f3+70\u00b0C\u7684\u73af\u5883\u6e29\u5ea6\u4e0b\u8fd0\u884c\u3002\u73af\u6c27\u6811\u8102\u53ef\u4fdd\u6301\u7a33\u5b9a\u7684\u7edd\u7f18\u548c\u673a\u68b0\u6027\u80fd\uff0c\u4e0d\u4f1a\u53d8\u8106\u6216\u53d8\u5f62\u3002<\/li>\n\n\n\n<li><strong>High operational reliability:<\/strong><br>\u6f06\u5305\u94dc\u7ed5\u7ec4\u548c\u4f18\u8d28\u53e0\u7247\u7845\u94a2\u94c1\u82af\u53ef\u5b9e\u73b0\u4f4e\u8fd0\u884c\u635f\u8017\u3001\u6709\u9650\u7684\u6e29\u5347\u548c\u7a33\u5b9a\u7684\u7cbe\u5ea6\u3002<\/li>\n\n\n\n<li><strong>Overvoltage withstand capability:<\/strong><br>\u53d8\u538b\u5668\u5728\u5176\u89c4\u5b9a\u7684\u7edd\u7f18\u6c34\u5e73\u5185\u53ef\u627f\u53d7\u5f00\u5173\u8fc7\u7535\u538b\u548c\u96f7\u7535\u8fc7\u7535\u538b\uff0c\u6709\u52a9\u4e8e\u4fdd\u6301\u53ef\u9760\u7684\u8ba1\u91cf\u548c\u4fdd\u62a4\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>3 kV \/ 6 kV \/ 10 kV AC, Um = 12 kV<\/td><\/tr><tr><td>\u989d\u5b9a\u9891\u7387<\/td><td>50 \u8d6b\u5179<\/td><\/tr><tr><td>Rated Primary Voltage<\/td><td>3 kV \/ 6 kV \/ 10 kV, customizable<\/td><\/tr><tr><td>Rated Secondary Voltage<\/td><td>100 V for metering and protection; 100\/3 V for optional insulation monitoring<\/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>3 kV system: 18 kV; 6 kV system: 24 kV; 10 kV system: 42 kV for 1 minute, without breakdown<\/td><\/tr><tr><td>\u96f7\u7535\u51b2\u51fb\u8010\u53d7\u7535\u538b<\/td><td>3 kV system: 40 kV; 6 kV system: 60 kV; 10 kV system: 75 kV peak, without breakdown<\/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 the high-voltage winding, low-voltage winding, 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 20840.1<\/td><td>Instrument Transformers\u2014Part 1: General Requirements<\/td><\/tr><tr><td>GB\/T 20840.3<\/td><td>Instrument Transformers\u2014Part 3: Additional Requirements for Inductive Voltage 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\">Applicable Voltage Levels<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9002\u7528\u4e8e\u6700\u9ad8\u7cfb\u7edf\u7535\u538b\u4e3a12 kV\u7684\u5ba4\u51853 kV\u30016 kV\u548c10 kV\u4ea4\u6d41\u7535\u529b\u7cfb\u7edf\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>\u6237\u5185\u4e2d\u538b\u5f00\u5173\u67dc\u7684\u7535\u538b\u6d4b\u91cf\u3001\u7535\u80fd\u8ba1\u91cf\u548c\u7ee7\u7535\u4fdd\u62a4\uff0c\u5305\u62ecKYN28\u548cXGN\u7cfb\u5217\u8bbe\u5907<\/li>\n\n\n\n<li>Voltage monitoring in box-type substations<\/li>\n\n\n\n<li>\u914d\u7535\u7ad9\u7684\u7535\u529b\u5206\u914d\u7cfb\u7edf<\/li>\n\n\n\n<li>\u5de5\u4e1a\u548c\u77ff\u5c71\u4f01\u4e1a\u4e2d\u7684 3 kV\u30016 kV \u548c 10 kV \u7cfb\u7edf<\/li>\n\n\n\n<li>Commercial buildings and industrial parks<\/li>\n\n\n\n<li>Voltage monitoring, control, and protection signal acquisition in power automation systems<\/li>\n\n\n\n<li>\u9700\u8981\u589e\u5f3a\u6297\u6c61\u95ea\u80fd\u529b\u7684\u5ba4\u5185\u914d\u7535\u73af\u5883<\/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\">\u5f53\u914d\u5907\u6709\u8f85\u52a9\u6b21\u7ea7\u7ed5\u7ec4\u65f6\uff0c\u5b83\u8fd8\u53ef\u4ee5\u4e3a\u7edd\u7f18\u76d1\u6d4b\u548c\u7cfb\u7edf\u63a5\u5730\u6545\u969c\u68c0\u6d4b\u63d0\u4f9b\u7535\u538b\u4fe1\u53f7\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>Inspect the voltage transformer and confirm that the cast body is free from cracks, bubbles, mechanical damage, and other visible defects. Check that all terminal markings are clear and that the supplied accessories are complete. Verify that the model, specifications, voltage ratio, and accuracy class match the system design requirements.<\/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>\u6839\u636e\u7cfb\u7edf\u8bbe\u8ba1\u8fde\u63a5\u9ad8\u538b\u7aef\u5b50\u3002\u786e\u4fdd\u6240\u6709\u8fde\u63a5\u7262\u56fa\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\u3002<\/li>\n\n\n\n<li><strong>Low-voltage-side connection:<\/strong><br>\u6839\u636e\u6807\u8bb0\u8fde\u63a5\u4e8c\u6b21\u4fa7\u7aef\u5b50\u3002\u8ba1\u91cf\u3001\u4fdd\u62a4\u548c\u7edd\u7f18\u76d1\u6d4b\u7535\u8def\u5fc5\u987b\u5206\u5f00\u6b63\u786e\u63a5\u7ebf\u3002\u4e8c\u6b21\u56de\u8def\u8fd0\u884c\u65f6\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>\u9ad8\u538b\u7ed5\u7ec4\u548c\u4f4e\u538b\u7ed5\u7ec4<\/li><li>\u9ad8\u538b\u7ed5\u7ec4\u548c\u63a5\u5730<\/li><li>\u4f4e\u538b\u7ed5\u7ec4\u548c\u63a5\u5730<\/li><\/ul>\u5728\u4e3a\u53d8\u538b\u5668\u901a\u7535\u4e4b\u524d\uff0c\u8bf7\u786e\u8ba4\u6240\u6709\u4e8c\u6b21\u63a5\u7ebf\u5747\u6b63\u786e\uff0c\u5e76\u4e14\u6ca1\u6709\u610f\u5916\u7684\u77ed\u8def\u6216\u5f00\u8def\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>Inspect the insulating sheds for accumulated dust or pollution.<\/li>\n\n\n\n<li>Regularly check the high-voltage and low-voltage wiring to ensure that all connections remain secure and free from overheating or discoloration.<\/li>\n\n\n\n<li>Confirm that the secondary-circuit grounding 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>Check the insulation-monitoring function where an auxiliary winding is provided.<\/li>\n\n\n\n<li>Clean dust and contamination from the transformer surface.<\/li>\n\n\n\n<li>Prevent oil and corrosive substances from contacting the epoxy resin body.<\/li>\n\n\n\n<li>If cracking, discharge, overheating, or excessive voltage-ratio error is detected, immediately de-energize and inspect the equipment. Replace the transformer where necessary.<\/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\u5371\u9669\u3002\u7ef4\u62a4\u671f\u95f4\uff0c\u5fc5\u987b\u65ad\u5f00\u53d8\u538b\u5668\u7535\u6e90\uff0c\u5e76\u6839\u636e\u9700\u8981\u5b89\u5168\u5730\u9694\u79bb\u548c\u63a5\u5730\u4e8c\u6b21\u56de\u8def\u3002<\/li>\n\n\n\n<li>\u8fd0\u8f93\u548c\u5b89\u88c5\u8fc7\u7a0b\u4e2d\uff0c\u907f\u514d\u649e\u51fb\u6216\u78b0\u649e\u73af\u6c27\u6811\u8102\u672c\u4f53\u3001\u9ad8\u538b\u7aef\u5b50\u53ca\u7edd\u7f18\u5b50\u88d9\u3002\u673a\u68b0\u635f\u4f24\u53ef\u80fd\u964d\u4f4e\u7edd\u7f18\u6027\u80fd\u548c\u8010\u6c61\u95ea\u80fd\u529b\u3002<\/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>The equipment must be reliably grounded. The grounding terminal on the metal base must be securely connected to the switchgear grounding busbar.<\/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>JDZC-3\u3001JDZC-6 \u6216 JDZC-10 \u7ec4\u5408\u4e92\u611f\u5668<\/td><td>Main device for voltage transformation, electrical isolation, and signal acquisition<\/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>\u4f4e\u538b\u63a5\u7ebf\u7aef\u5b50\u76d6<\/td><td>Protects the secondary terminals and helps prevent incorrect connection or short circuits<\/td><\/tr><tr><td>4<\/td><td>Product Instruction Manual<\/td><td>Provides installation, operating, maintenance, and wiring guidance<\/td><\/tr><tr><td>5<\/td><td>Product Certificate and Factory Test Report<\/td><td>Provides product quality and performance documentation, including voltage-ratio and accuracy test data<\/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\u8db33\u5343\u4f0f\u30016\u5343\u4f0f\u548c10\u5343\u4f0f\u7535\u529b\u7cfb\u7edf\u7684\u8fd0\u884c\u8981\u6c42\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"998\" src=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JDZC-3-JDZC-6-and-JDZC-10-Voltage-Transformers\uff081\uff09-1024x998.webp\" alt=\"JDZC-3, JDZC-6, and JDZC-10 Voltage Transformers\" class=\"wp-image-2556\" srcset=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JDZC-3-JDZC-6-and-JDZC-10-Voltage-Transformers\uff081\uff09-1024x998.webp 1024w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JDZC-3-JDZC-6-and-JDZC-10-Voltage-Transformers\uff081\uff09-300x292.webp 300w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JDZC-3-JDZC-6-and-JDZC-10-Voltage-Transformers\uff081\uff09-768x748.webp 768w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JDZC-3-JDZC-6-and-JDZC-10-Voltage-Transformers\uff081\uff09-12x12.webp 12w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JDZC-3-JDZC-6-and-JDZC-10-Voltage-Transformers\uff081\uff09.webp 1053w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/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 JDZC-3, JDZC-6, and JDZC-10 Voltage Transformers are fully enclosed, dry-type cast-resin voltage transformers designed for indoor 3 [&hellip;]<\/p>\n","protected":false},"featured_media":2555,"template":"","meta":{"_acf_changed":false,"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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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_category":[30],"class_list":["post-1619","products","type-products","status-publish","has-post-thumbnail","hentry","product_category-instrument-transformer-series"],"acf":{"products_imagines":[2555],"short_describe":"<p><span style=\"color: #334155; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif; font-size: 16px; white-space: pre-wrap;\">The JDZC-3, JDZC-6, and JDZC-10 Voltage Transformers are fully enclosed, dry-type cast-resin voltage transformers designed for indoor 3 kV, 6 kV, and 10 kV AC power systems with a maximum system voltage of 12 kV.<\/span><\/p>","pdf_file":"","related_products":{"products":""},"technical_parameter":"","outline_and_installation_dimension":""},"_links":{"self":[{"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/products\/1619","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\/2555"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/media\/2555"}],"wp:attachment":[{"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/media?parent=1619"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/product_category?post=1619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}