{"id":1632,"date":"2026-05-08T00:00:00","date_gmt":"2026-05-08T00:00:00","guid":{"rendered":"http:\/\/yieou.com\/?post_type=products&#038;p=1632"},"modified":"2026-09-16T04:52:32","modified_gmt":"2026-09-16T04:52:32","slug":"ljzn12-10-current-transformer","status":"publish","type":"products","link":"https:\/\/yieou.com\/zh\/product\/ljzn12-10-current-transformer\/","title":{"rendered":"LJZN1(2)-10 Current 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\/\">LJZN1(2)-10 \u7535\u6d41\u4e92\u611f\u5668<\/a> \u8fd9\u662f\u4e00\u6b3e\u7b26\u5408SGCC\u6807\u51c6\u7684\u3001\u5168\u5c01\u95ed\u7684\u3001\u67f1\u5f0f\u6d47\u6ce8\u7edd\u7f18\u7535\u6d41\u4e92\u611f\u5668\uff0c\u4e13\u4e3a10\u5343\u4f0f\u4ea4\u6d41\u7535\u529b\u7cfb\u7edf\u8bbe\u8ba1\uff0c\u6700\u9ad8\u7cfb\u7edf\u7535\u538b\u4e3a12\u5343\u4f0f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u53d8\u538b\u5668\u6309\u7167\u4e2d\u56fd\u56fd\u5bb6\u7535\u7f51\u516c\u53f8\uff08SGCC\uff09\u7684\u6280\u672f\u89c4\u8303\u8fdb\u884c\u5f00\u53d1\u548c\u5236\u9020\uff0c\u91c7\u7528\u73af\u6c27\u6811\u8102\u771f\u7a7a\u6d47\u6ce8\u5de5\u827a\u3002\u5176\u7279\u70b9\u662f\u91c7\u7528\u6bcd\u7ebf\u5f0f\u4e00\u6b21\u7ed5\u7ec4\u548c\u7528\u4e8e\u8ba1\u91cf\u53ca\u4fdd\u62a4\u56de\u8def\u7684\u591a\u7ec4\u4e8c\u6b21\u7ed5\u7ec4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u4ea7\u54c1\u7b26\u5408SGCC\u5173\u4e8e\u8ba1\u91cf\u7cbe\u5ea6\u3001\u4fdd\u62a4\u6027\u80fd\u3001\u77ed\u65f6\u5de5\u9891\u8010\u53d7\u7535\u6d41\u3001\u52a8\u7a33\u5b9a\u7535\u6d41\u548c\u6807\u51c6\u5316\u5b89\u88c5\u5c3a\u5bf8\u7684\u8981\u6c42\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8eSGCC\u6807\u51c6\u7684\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\u548c\u5f00\u5173\u7ad9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u53d8\u538b\u5668\u4e3a\u6807\u51c610\u5343\u4f0f\u914d\u7535\u7cfb\u7edf\u63d0\u4f9b\u9ad8\u7cbe\u5ea6\u7535\u6d41\u6d4b\u91cf\u3001\u7535\u80fd\u8ba1\u91cf\u3001\u7ee7\u7535\u4fdd\u62a4\u548c\u7535\u6d41\u4fe1\u53f7\u91c7\u96c6\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\">\u56fd\u7f51\u6807\u51c6\u7535\u6c14\u6027\u80fd<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9ad8\u7cbe\u5ea6\u8ba1\u91cf\u7ed5\u7ec4<\/strong><br>\u8ba1\u91cf\u7ed5\u7ec4\u63d0\u4f9b\u7a33\u5b9a\u4e14\u7cbe\u786e\u7684\u8bef\u5dee\u7279\u6027\uff0c\u7b26\u54080.2S\u7ea7\u548c0.5\u7ea7\u7535\u80fd\u8ba1\u91cf\u8981\u6c42\u3002\u5b83\u652f\u6301SGCC\u6807\u51c6\u8ba1\u91cf\u7cfb\u7edf\u4e2d\u51c6\u786e\u53ef\u9760\u7684\u7535\u80fd\u6d4b\u91cf\u3002<\/li>\n\n\n\n<li><strong>\u53ef\u9760\u7684\u9632\u62a4\u7279\u6027\uff1a<\/strong><br>\u4fdd\u62a4\u7ed5\u7ec4\u63d0\u4f9b\u4e86\u8db3\u591f\u7684\u51c6\u786e\u9650\u503c\u7cfb\u6570\uff0c\u5305\u62ec 5P20 \u548c 10P20\uff0c\u4ee5\u786e\u4fdd\u5728\u7cfb\u7edf\u77ed\u8def\u6545\u969c\u671f\u95f4\u7ee7\u7535\u4fdd\u62a4\u7684\u53ef\u9760\u8fd0\u884c\u3002\u8fd9\u6709\u52a9\u4e8e\u9632\u6b62\u8bef\u52a8\u4f5c\u548c\u62d2\u52a8\u3002<\/li>\n\n\n\n<li><strong>\u9ad8\u77ed\u65f6\u70ed\u7a33\u5b9a\u548c\u52a8\u7a33\u5b9a\u7535\u6d41\u627f\u53d7\u80fd\u529b<\/strong><br>\u77ed\u65f6\u70ed\u7535\u6d41\u548c\u52a8\u8f7d\u7535\u6d41\u53c2\u6570\u6309\u7167SGCC\u8981\u6c42\u8bbe\u8ba1\u3002\u53d8\u538b\u5668\u80fd\u591f\u627f\u53d7\u7cfb\u7edf\u77ed\u8def\u6545\u969c\u5f15\u8d77\u7684\u7535\u6d41\u5e94\u529b\uff0c\u9002\u7528\u4e8e\u77ed\u8def\u5bb9\u91cf\u9ad8\u7684\u914d\u7535\u7cfb\u7edf\u3002<\/li>\n\n\n\n<li><strong>Low partial discharge:<\/strong><br>\u5148\u8fdb\u7684\u6d47\u6ce8\u5de5\u827a\u5c06\u5c40\u90e8\u653e\u7535\u9650\u5236\u572810 pC\u4ee5\u5185\u3002\u8fd9\u6ee1\u8db3\u4e86SGCC\u7684\u7edd\u7f18\u6027\u80fd\u8981\u6c42\uff0c\u5e76\u6709\u52a9\u4e8e\u51cf\u5c11\u7edd\u7f18\u7684\u957f\u671f\u8001\u5316\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u9694\u70ed\u4e0e\u7ed3\u6784\u7279\u70b9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Epoxy resin cast insulation:<\/strong><br>\u53d8\u538b\u5668\u91c7\u7528\u4f18\u8d28\u73af\u6c27\u6811\u8102\u771f\u7a7a\u6d47\u6ce8\u800c\u6210\u3002\u56fa\u4f53\u7edd\u7f18\u4e0d\u542b\u5185\u90e8\u6c14\u9699\uff0c\u5177\u6709\u4f18\u5f02\u7684\u4ecb\u7535\u6027\u80fd\u3002<\/li>\n\n\n\n<li><strong>Suitable for 12 kV systems:<\/strong><br>\u8be5\u53d8\u538b\u5668\u53ef\u6ee1\u8db3 10 kV \u7cfb\u7edf\u5728\u6700\u5927\u7cfb\u7edf\u7535\u538b\u4e3a 12 kV \u65f6\u5bf9\u8fd0\u884c\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>Fully enclosed post-type structure:<\/strong><br>\u521d\u7ea7\u548c\u6b21\u7ea7\u7ed5\u7ec4\u5c01\u88c5\u5728\u6574\u4f53\u6d47\u6ce8\u6811\u8102\u4f53\u5185\uff0c\u5185\u90e8\u65e0\u88f8\u9732\u5e26\u7535\u90e8\u4ef6\u3002<\/li>\n\n\n\n<li><strong>IP20 protection rating:<\/strong><br>\u8be5\u4ea7\u54c1\u63d0\u4f9b IP20 \u9632\u62a4\u7b49\u7ea7\uff0c\u9002\u7528\u4e8e\u5b89\u88c5\u5728\u5ba4\u5185\u5f00\u5173\u67dc\u5185\uff0c\u6709\u52a9\u4e8e\u51cf\u5c11\u7070\u5c18\u548c\u6e7f\u6c14\u7684\u4fb5\u5165\u3002<\/li>\n\n\n\n<li><strong>\u56fd\u7f51\u6807\u51c6\u5b89\u88c5\u5c3a\u5bf8\uff1a<\/strong><br>\u5176\u7d27\u51d1\u7684\u7ed3\u6784\u548c\u5b89\u88c5\u5c3a\u5bf8\u4e0eSGCC\u6807\u51c6\u5f00\u5173\u8bbe\u5907\u517c\u5bb9\uff0c\u5305\u62ecKYN28\u94e0\u88c5\u5f00\u5173\u8bbe\u5907\u7684SGCC\u7248\u672c\u3002<\/li>\n\n\n\n<li><strong>\u5b89\u88c5\u548c\u66f4\u6362\u65b9\u4fbf<\/strong><br>\u6807\u51c6\u5316\u5c3a\u5bf8\u652f\u6301\u6279\u91cf\u5b89\u88c5\u3001\u76f4\u63a5\u66ff\u6362\u3001\u8bbe\u5907\u9a8c\u6536\u548c\u65e5\u5e38\u7ef4\u62a4\u3002<\/li>\n\n\n\n<li><strong>\u6807\u51c6\u5316\u4e8c\u7ea7\u7aef\u5b50<\/strong><br>\u4e8c\u6b21\u63a5\u7ebf\u7aef\u5b50\u7531\u900f\u660e\u76d6\u677f\u4fdd\u62a4\uff0c\u5e76\u6839\u636e SGCC \u4e8c\u6b21\u56de\u8def\u63a5\u7ebf\u8981\u6c42\u6e05\u6670\u6807\u8bb0\u3002<\/li>\n\n\n\n<li><strong>\u964d\u4f4e\u5e03\u7ebf\u98ce\u9669<\/strong><br>\u63a5\u7ebf\u7aef\u5b50\u5e03\u5c40\u6709\u52a9\u4e8e\u9632\u6b62\u63a5\u7ebf\u9519\u8bef\u548c\u77ed\u8def\uff0c\u540c\u65f6\u964d\u4f4e\u610f\u5916\u65ad\u5f00\u4e8c\u6b21\u56de\u8def\u7684\u98ce\u9669\u3002<\/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>\u73af\u6c27\u6811\u8102\u4e3b\u4f53\u63d0\u4f9b\u9ad8\u673a\u68b0\u5f3a\u5ea6\u3001\u6297\u51b2\u51fb\u6027\u548c\u8010\u8001\u5316\u6027\u3002\u5176\u65e0\u6cb9\u7ed3\u6784\u6d88\u9664\u4e86\u6cc4\u6f0f\u548c\u5e38\u89c4\u7edd\u7f18\u6cb9\u7ef4\u62a4\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 without becoming brittle or deformed.<\/li>\n\n\n\n<li><strong>\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u533a\u57df\u73af\u5883<\/strong><br>\u5bbd\u6e29\u5ea6\u8303\u56f4\u6ee1\u8db3SGCC\u5728\u4e0d\u540c\u6c14\u5019\u5730\u533a\u4f7f\u7528\u7684\u8bbe\u5907\u7684\u73af\u5883\u9002\u5e94\u6027\u8981\u6c42\u3002<\/li>\n\n\n\n<li><strong>\u53ef\u8ffd\u6eaf\u7684\u8d28\u91cf\u63a7\u5236<\/strong><br>\u751f\u4ea7\u3001\u6d4b\u8bd5\u548c\u5de5\u5382\u68c0\u67e5\u5747\u5728\u6807\u51c6\u5316\u8d28\u91cf\u63a7\u5236\u7a0b\u5e8f\u4e0b\u8fdb\u884c\u3002<\/li>\n\n\n\n<li><strong>\u5b8c\u6210\u8d28\u91cf\u6587\u6863\uff1a<\/strong><br>\u53ef\u63d0\u4f9b\u4ea7\u54c1\u8bc1\u4e66\u3001\u5de5\u5382\u6d4b\u8bd5\u62a5\u544a\u548cSGCC\u5e76\u7f51\u68c0\u9a8c\u6587\u4ef6\uff0c\u7528\u4e8e\u8bbe\u5907\u9a8c\u6536\u548c\u8d44\u4ea7\u7ba1\u7406\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>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 Current<\/td><td>10\u20132,000 \u5b89\u57f9\uff0cSGCC \u6807\u51c6\u989d\u5b9a\u503c<\/td><\/tr><tr><td>Rated Secondary Current<\/td><td>5A\u62161A\uff0cSGCC\u6807\u51c6\u9009\u9879<\/td><\/tr><tr><td>Metering Accuracy Class<\/td><td>0.2\u79d2\/0.5<\/td><\/tr><tr><td>Protection Accuracy Class<\/td><td>5P10 \/ 10P10 \/ 5P20 \/ 10P20<\/td><\/tr><tr><td>\u5de5\u9891\u8010\u538b<\/td><td>42\u5343\u4f0f\uff0c\u6301\u7eed1\u5206\u949f\uff0c\u76f8\u95f4\u53ca\u76f8\u5bf9\u5730\uff0c\u65e0\u51fb\u7a7f<\/td><\/tr><tr><td>\u96f7\u7535\u51b2\u51fb\u8010\u53d7\u7535\u538b<\/td><td>75 kV peak, without breakdown<\/td><\/tr><tr><td>\u5c40\u90e8\u653e\u7535<\/td><td>\u226410 pC<\/td><\/tr><tr><td>Short-Time Thermal Current (Ith)<\/td><td>\u989d\u5b9a\u7535\u6d41\u768420\u500d\uff0c\u6301\u7eed1\u79d2<\/td><\/tr><tr><td>Dynamic Current (Idyn)<\/td><td>2.5\u500d\u7684Ith<\/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>Cast epoxy resin<\/td><\/tr><tr><td>\u9632\u62a4\u7b49\u7ea7<\/td><td>IP20<\/td><\/tr><tr><td>Installation Type<\/td><td>\u5ba4\u5185\u7acb\u67f1\u5f0f\u87ba\u6813\u5b89\u88c5\uff0c\u7b26\u5408SGCC\u6807\u51c6\u5c3a\u5bf8<\/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>Category<\/th><th>Standard<\/th><\/tr><\/thead><tbody><tr><td>\u56fd\u5bb6\u6807\u51c6<\/td><td>GB 1208, <em>Current Transformers<\/em><\/td><\/tr><tr><td>\u56fd\u5bb6\u6807\u51c6<\/td><td>GB\/T 20840.1, <em>Instrument Transformers\u2014Part 1: General Requirements<\/em><\/td><\/tr><tr><td>\u56fd\u5bb6\u7535\u7f51\u8981\u6c42<\/td><td>\u56fd\u5bb6\u7535\u7f51\u516c\u53f8\u7535\u6d41\u4e92\u611f\u5668\u6280\u672f\u89c4\u8303<\/td><\/tr><tr><td>\u56fd\u5bb6\u7535\u7f51\u8981\u6c42<\/td><td>\u56fd\u5bb6\u7535\u7f51\u516c\u53f8\u5e76\u7f51\u9a8c\u6536\u89c4\u7a0b<\/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\">LJZN1(2)-10 \u578b\u7535\u6d41\u4e92\u611f\u5668\u9002\u7528\u4e8e 10 kV \u4ea4\u6d41\u7535\u529b\u7cfb\u7edf\uff0c\u6700\u9ad8\u7cfb\u7edf\u7535\u538b\u4e3a 12 kV\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9002\u7528\u7cfb\u7edf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u4ea7\u54c1\u4e13\u4e3a\u4e2d\u56fd\u56fd\u5bb6\u7535\u7f51\u516c\u53f8\u89c4\u5b9a\u6216\u8981\u6c42\u7684\u6807\u51c6\u531610\u5343\u4f0f\u914d\u7535\u7cfb\u7edf\u8bbe\u8ba1\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>\u56fd\u7f51\u6807\u51c6KYN28\u6237\u5185\u4e2d\u538b\u5f00\u5173\u67dc\u7684\u7535\u6d41\u6d4b\u91cf\u3001\u7535\u80fd\u8ba1\u91cf\u548c\u7ee7\u7535\u4fdd\u62a4<\/li>\n\n\n\n<li>\u56fd\u7f51\u6807\u51c6\u7bb1\u5f0f\u53d8\u7535\u7ad9<\/li>\n\n\n\n<li>Distribution stations and switching stations<\/li>\n\n\n\n<li>\u5de5\u4e1a\u4e0e\u77ff\u5c71\u4f01\u4e1a\u6807\u51c6\u531610\u5343\u4f0f\u914d\u7535\u7cfb\u7edf<\/li>\n\n\n\n<li>Commercial buildings and industrial parks<\/li>\n\n\n\n<li>Current monitoring and control in power automation systems<\/li>\n\n\n\n<li>\u9700\u8981\u4e0eSGCC\u81ea\u52a8\u5316\u63a5\u53e3\u517c\u5bb9\u7684\u5e94\u7528<\/li>\n\n\n\n<li>\u6807\u51c6\u5316\u4e2d\u538b\u5f00\u5173\u67dc\u4e2d\u7684\u8fdb\u7ebf\u3001\u51fa\u7ebf\u3001\u8ba1\u91cf\u548c\u4fdd\u62a4 panel<\/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\">\u7535\u6d41\u4e92\u611f\u5668\u5c06\u7535\u529b\u7cfb\u7edf\u4e2d\u7684\u9ad8\u4e00\u6b21\u7535\u6d41\u6309\u89c4\u5b9a\u6bd4\u4f8b\u8f6c\u6362\u4e3a\u6807\u51c6\u5316\u7684\u4e8c\u6b21\u7535\u6d41\uff0c\u53735A\u62161A\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It supplies current 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>Power automation equipment<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u53d8\u538b\u5668\u8fd8\u4e3a\u4e3b\u7535\u6e90\u7535\u8def\u4e0e\u4e8c\u6b21\u8ba1\u91cf\u548c\u4fdd\u62a4\u7535\u8def\u4e4b\u95f4\u63d0\u4f9b\u4e86\u7535\u6c14\u9694\u79bb\uff0c\u6709\u52a9\u4e8e\u4fdd\u62a4\u8fde\u63a5\u7684\u8bbe\u5907\u548c\u64cd\u4f5c\u4eba\u5458\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u6807\u51c6\u5316\u7684\u7535\u6c14\u548c\u673a\u68b0\u8bbe\u8ba1\u652f\u6301\u56fd\u7f51\u6807\u51c6\u914d\u7535\u7cfb\u7edf\u7684\u8fd0\u884c\u3001\u9a8c\u6536\u548c\u7ef4\u62a4\u8981\u6c42\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\n\n\n<li>\u5b89\u88c5\u5fc5\u987b\u7b26\u5408SGCC\u5173\u4e8e\u4e2d\u538b\u5f00\u5173\u67dc\u5185\u8bbe\u5907\u7684\u89c4\u5b9a\u3002<\/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 current 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\u6d41\u4e92\u611f\u5668\uff0c\u786e\u8ba4\u73af\u6c27\u6811\u8102\u672c\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\u6e05\u6670\uff0c\u9644\u4ef6\u9f50\u5168\u3002\u6838\u5b9e\u578b\u53f7\u3001\u89c4\u683c\u3001\u7535\u6d41\u6bd4\u548c\u7cbe\u5ea6\u7b49\u7ea7\u7b26\u5408\u7cfb\u7edf\u8bbe\u8ba1\u53ca\u9002\u7528\u7684SGCC\u8981\u6c42\u3002\u786e\u8ba4\u6240\u9700\u7684SGCC\u5e76\u7f51\u68c0\u9a8c\u62a5\u544a\u53ca\u76f8\u5173\u8d28\u91cf\u8bc1\u660e\u6587\u4ef6\u9f50\u5168\u3002<\/li>\n\n\n\n<li><strong>Mounting:<\/strong><br>\u5c06\u53d8\u538b\u5668\u653e\u7f6e\u5728\u5f00\u5173\u67dc\u5185\u6307\u5b9a\u4f4d\u7f6e\uff0c\u5e76\u901a\u8fc7\u5e95\u5ea7\u4e0a\u7684\u5b89\u88c5\u5b54\u7528\u87ba\u6813\u56fa\u5b9a\u3002\u786e\u4fdd\u53d8\u538b\u5668\u5b89\u88c5\u7262\u56fa\uff0c\u65e0\u677e\u52a8\u6216\u79fb\u4f4d\u3002\u5b89\u88c5\u8868\u9762\u5e94\u6c34\u5e73\uff0c\u4ee5\u9632\u6b62\u673a\u68b0\u5e94\u529b\u4e0d\u5747\u3002\u5b89\u88c5\u5fc5\u987b\u7b26\u5408SGCC\u5173\u4e8e\u5f00\u5173\u67dc\u5185\u8bbe\u5907\u5b9a\u4f4d\u548c\u5b89\u88c5\u7684\u8981\u6c42\u3002<\/li>\n\n\n\n<li><strong>Primary-side connection:<\/strong><br>\u6309\u7167\u7cfb\u7edf\u8bbe\u8ba1\u8fde\u63a5\u4e3b\u6bcd\u7ebf\u3002\u786e\u4fdd\u6bcd\u7ebf\u4e0e\u53d8\u538b\u5668\u4e00\u6b21\u4fa7\u7aef\u5b50\u7d27\u5bc6\u63a5\u89e6\u3002\u7262\u56fa\u62e7\u7d27\u6240\u6709\u87ba\u6813\uff0c\u4ee5\u9632\u6b62\u56e0\u7535\u6c14\u63a5\u89e6\u4e0d\u826f\u800c\u5bfc\u81f4\u8fc7\u70ed\u3002\u4e00\u6b21\u4fa7\u8fde\u63a5\u5fc5\u987b\u7b26\u5408\u9002\u7528\u7684 SGCC \u4e00\u6b21\u4fa7\u7535\u8def\u63a5\u7ebf\u8981\u6c42\u3002<\/li>\n\n\n\n<li><strong>Secondary-side connection:<\/strong><br>\u6839\u636e\u6807\u8bb0\u8fde\u63a5\u4e8c\u6b21\u4fa7\u7aef\u5b50\u3002\u8ba1\u91cf\u548c\u4fdd\u62a4\u7ed5\u7ec4\u5fc5\u987b\u6309\u7167\u56fd\u5bb6\u7535\u7f51\u516c\u53f8\u4e8c\u6b21\u56de\u8def\u63a5\u7ebf\u8981\u6c42\u5206\u5f00\u6b63\u786e\u63a5\u7ebf\u3002\u4e00\u6b21\u4fa7\u5e26\u7535\u65f6\uff0c\u4e8c\u6b21\u56de\u8def\u4e25\u7981\u5f00\u8def\u3002\u6bcf\u4e2a\u8981\u6c42\u7684\u4e8c\u6b21\u56de\u8def\u5fc5\u987b\u53ef\u9760\u63a5\u5730\u4e00\u70b9\uff0c\u4ee5\u9632\u6b62\u5371\u9669\u7684\u8fc7\u7535\u538b\u3002<\/li>\n\n\n\n<li><strong>Insulation inspection:<\/strong><br>After installation, measure the insulation resistance between:<ul><li>\u521d\u7ea7\u7ed5\u7ec4\u548c\u63a5\u5730<\/li><li>\u6b21\u7ea7\u7ed5\u7ec4\u548c\u63a5\u5730<\/li><li>\u521d\u7ea7\u7ed5\u7ec4\u548c\u6b21\u7ea7\u7ed5\u7ec4<\/li><\/ul>\u786e\u8ba4\u7edd\u7f18\u6027\u80fd\u7b26\u5408\u89c4\u5b9a\u8981\u6c42\u53ca\u9002\u7528\u7684\u9884\u8c03\u8bd5\u6d4b\u8bd5\u6807\u51c6\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>\u68c0\u67e5\u63a5\u7ebf\u7aef\u5b50\u662f\u5426\u6709\u677e\u52a8\u3001\u6c27\u5316\u548c\u5f02\u5e38\u53d1\u70ed\u3002<\/li>\n\n\n\n<li>\u6309\u7167\u9002\u7528\u7684SGCC\u8bbe\u5907\u68c0\u67e5\u8981\u6c42\u8fdb\u884c\u4f8b\u884c\u68c0\u67e5\u3002<\/li>\n\n\n\n<li>\u5b9a\u671f\u68c0\u67e5\u4e3b\u6bcd\u7ebf\u548c\u4e8c\u6b21\u63a5\u7ebf\uff0c\u786e\u4fdd\u6240\u6709\u8fde\u63a5\u7262\u56fa\u3002<\/li>\n\n\n\n<li>\u68c0\u67e5\u8fc7\u70ed\u3001\u53d8\u8272\u3001\u610f\u5916\u5f00\u8def\u548c\u77ed\u8def\u98ce\u9669\u3002<\/li>\n\n\n\n<li>Confirm that the secondary-circuit earthing remains reliable.<\/li>\n\n\n\n<li>\u5b9a\u671f\u6d4b\u8bd5\u7edd\u7f18\u7535\u963b\u548c\u7535\u6d41\u6bd4\u8bef\u5dee\u3002<\/li>\n\n\n\n<li>\u9a8c\u8bc1\u8ba1\u91cf\u548c\u4fdd\u62a4\u7cbe\u5ea6\u662f\u5426\u4fdd\u6301\u5728\u89c4\u5b9a\u8303\u56f4\u5185\u3002<\/li>\n\n\n\n<li>\u6839\u636e\u9002\u7528\u7684SGCC\u68c0\u67e5\u8981\u6c42\u8fdb\u884c\u8ba1\u91cf\u548c\u4fdd\u62a4\u6821\u9a8c\u3002<\/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>\u4fdd\u6301\u8bbe\u5907\u6e05\u6d01\u5e72\u71e5\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u68c0\u6d4b\u5230\u7834\u88c2\u3001\u653e\u7535\u3001\u8fc7\u70ed\u6216\u6d4b\u91cf\u8bef\u5dee\u8fc7\u5927\uff0c\u8bf7\u7acb\u5373\u65ad\u7535\u5e76\u68c0\u67e5\u8bbe\u5907\u3002<\/li>\n\n\n\n<li>\u5fc5\u8981\u65f6\uff0c\u6839\u636e\u9002\u7528\u7684\u8bbe\u5907\u7f3a\u9677\u7ba1\u7406\u7a0b\u5e8f\u66f4\u6362\u6709\u7f3a\u9677\u7684\u8bbe\u5907\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>\u4e8c\u6b21\u7ed5\u7ec4\u5728\u521d\u7ea7\u7535\u8def\u901a\u7535\u65f6\u7edd\u4e0d\u80fd\u5f00\u8def\u3002\u5f00\u8def\u7684\u4e8c\u6b21\u7535\u8def\u53ef\u80fd\u4f1a\u4ea7\u751f\u6570\u5343\u4f0f\u7684\u5371\u9669\u8fc7\u7535\u538b\uff0c\u5bf9\u8bbe\u5907\u548c\u4eba\u5458\u9020\u6210\u4e25\u91cd\u98ce\u9669\u3002<\/li>\n\n\n\n<li>\u5728\u7ef4\u62a4\u671f\u95f4\uff0c\u6839\u636e\u9002\u7528\u7684\u4e8c\u6b21\u56de\u8def\u5b89\u5168\u89c4\u7a0b\uff0c\u4e8c\u6b21\u7ed5\u7ec4\u5728\u65ad\u5f00\u524d\u5fc5\u987b\u7262\u56fa\u77ed\u8def\u5e76\u63a5\u5730\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\u3002\u673a\u68b0\u635f\u4f24\u53ef\u80fd\u5bfc\u81f4\u7edd\u7f18\u5c42\u5f00\u88c2\uff0c\u5f71\u54cd\u8bbe\u5907\u9a8c\u6536\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>\u5b89\u88c5\u3001\u8c03\u8bd5\u548c\u7ef4\u62a4\u5fc5\u987b\u7531\u5408\u683c\u7684\u7535\u6c14\u4eba\u5458\uff0c\u6309\u7167\u9002\u7528\u7684\u7535\u6c14\u5b89\u5168\u89c4\u7a0b\u548cSGCC\u8fd0\u884c\u7ef4\u62a4\u8981\u6c42\u8fdb\u884c\u3002<\/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>LJZN1(2)-10 SGCC-\u6807\u51c6\u7535\u6d41\u4e92\u611f\u5668<\/td><td>\u7528\u4e8e\u7535\u6d41\u53d8\u6362\u548c\u7535\u6c14\u9694\u79bb\u7684\u4e3b\u8bbe\u5907\uff0c\u7b26\u5408SGCC\u8981\u6c42<\/td><\/tr><tr><td>2<\/td><td>\u5b89\u88c5\u87ba\u6813\u548c\u57ab\u5708<\/td><td>\u7528\u4e8e\u56fa\u5b9a\u53d8\u538b\u5668\u5e76\u5339\u914d\u56fd\u5bb6\u7535\u7f51\u6807\u51c6\u5b89\u88c5\u5c3a\u5bf8<\/td><\/tr><tr><td>3<\/td><td>\u900f\u660e\u526f\u7aef\u5b50\u76d6<\/td><td>\u4fdd\u62a4\u4e8c\u6b21\u63a5\u7ebf\u7aef\u5b50\u514d\u53d7\u63a5\u7ebf\u9519\u8bef\u548c\u77ed\u8def\u7684\u5f71\u54cd\uff0c\u5e76\u652f\u6301\u6807\u51c6\u5316\u7684\u4e8c\u6b21\u56de\u8def\u4fdd\u62a4\u3002<\/td><\/tr><tr><td>4<\/td><td>Product Instruction Manual<\/td><td>\u63d0\u4f9b\u5b89\u88c5\u3001\u64cd\u4f5c\u3001\u7ef4\u62a4\u548c\u56fd\u7f51\u6807\u51c6\u5b89\u88c5\u6307\u5357<\/td><\/tr><tr><td>5<\/td><td>\u4ea7\u54c1\u5408\u683c\u8bc1\u3001\u5de5\u5382\u6d4b\u8bd5\u62a5\u544a\u548cSGCC\u5e76\u7f51\u68c0\u9a8c\u62a5\u544a<\/td><td>SGCC \u8bbe\u5907\u9a8c\u6536\u4ea7\u54c1\u8d28\u91cf\u548c\u6027\u80fd\u6587\u4ef6<\/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\">\u672c\u4ea7\u54c1\u7b26\u5408\u4ee5\u4e0b\u6807\u51c6\u548c\u6280\u672f\u8981\u6c42\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GB 1208, <em>Current 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>\u56fd\u5bb6\u7535\u7f51\u516c\u53f8\u7535\u6d41\u4e92\u611f\u5668\u6280\u672f\u89c4\u8303<\/li>\n\n\n\n<li>\u56fd\u5bb6\u7535\u7f51\u516c\u53f8\u5e76\u7f51\u9a8c\u6536\u53ca\u8bbe\u5907\u9a8c\u6536\u8981\u6c42<\/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\u548cSGCC\u5e76\u7f51\u68c0\u9a8c\u3002\u5176\u6027\u80fd\u6ee1\u8db3SGCC\u6807\u51c6\u531610\u5343\u4f0f\u914d\u7535\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=\"948\" height=\"855\" src=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LJZN12-10-Current-Transformer\uff081\uff09.webp\" alt=\"LJZN1(2)-10 \u7535\u6d41\u4e92\u611f\u5668\uff081\uff09\" class=\"wp-image-2602\" srcset=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LJZN12-10-Current-Transformer\uff081\uff09.webp 948w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LJZN12-10-Current-Transformer\uff081\uff09-300x271.webp 300w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LJZN12-10-Current-Transformer\uff081\uff09-768x693.webp 768w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LJZN12-10-Current-Transformer\uff081\uff09-13x12.webp 13w\" sizes=\"(max-width: 948px) 100vw, 948px\" \/><\/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 LJZN1(2)-10 Current Transformer is an SGCC-standard, fully enclosed, post-type cast-resin current transformer designed for indoor 10 kV [&hellip;]<\/p>\n","protected":false},"featured_media":2601,"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\/1632","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\/2601"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/media\/2601"}],"wp:attachment":[{"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/media?parent=1632"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/product_category?post=1632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}