{"id":1641,"date":"2026-05-08T00:00:00","date_gmt":"2026-05-08T00:00:00","guid":{"rendered":"http:\/\/yieou.com\/?post_type=products&#038;p=1641"},"modified":"2026-09-16T04:40:00","modified_gmt":"2026-09-16T04:40:00","slug":"lzzbj9-12-gy-high-altitude-current-transformer","status":"publish","type":"products","link":"https:\/\/yieou.com\/zh\/product\/lzzbj9-12-gy-high-altitude-current-transformer\/","title":{"rendered":"LZZBJ9-12-GY \u9ad8\u539f\u7535\u6d41\u4e92\u611f\u5668"},"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\/\">LZZBJ9-12-GY \u9ad8\u539f\u7535\u6d41\u4e92\u611f\u5668<\/a> \u8fd9\u662f\u4e00\u6b3e\u5168\u5c01\u95ed\u3001\u67f1\u5f0f\u3001\u73af\u6c27\u6811\u8102\u6d47\u6ce8\u7684\u7535\u6d41\u4e92\u611f\u5668\uff0c\u4e13\u4e3a\u9ad8\u6d77\u62d4\u5730\u533a 10 \u5343\u4f0f\u5ba4\u5185\u4ea4\u6d41\u7535\u529b\u7cfb\u7edf\u8bbe\u8ba1\uff0c\u6700\u9ad8\u7cfb\u7edf\u7535\u538b\u4e3a 12 \u5343\u4f0f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u578b\u53f7\u5728\u6807\u51c6LZZBJ9\u7cfb\u5217\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u5f00\u53d1\uff0c\u4f18\u5316\u4e86\u7edd\u7f18\u88d5\u5ea6\u548c\u589e\u52a0\u4e86\u722c\u7535\u8ddd\u79bb\uff0c\u4ee5\u6ee1\u8db3\u6d77\u62d42000\u81f34000\u7c73\u8fd0\u884c\u7684\u8981\u6c42\u3002\u540c\u65f6\uff0c\u5b83\u4fdd\u7559\u4e86\u6807\u51c6\u578b\u53f7\u4f18\u5f02\u7684\u77ed\u65f6\u70ed\u7a33\u5b9a\u6027\u548c\u52a8\u7a33\u5b9a\u7535\u6d41\u627f\u53d7\u80fd\u529b\u4ee5\u53ca\u7a33\u5b9a\u7684\u7cbe\u5ea6\u7279\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u4ea7\u54c1\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5ba4\u5185\u4e2d\u538b <a href=\"https:\/\/en.wikipedia.org\/wiki\/Switchgear\" target=\"_blank\" rel=\"noopener\">switchgear<\/a>\u7bb1\u5f0f\u53d8\u7535\u7ad9\u3001\u914d\u7535\u7ad9\u53ca\u9ad8\u6d77\u62d4\u5730\u533a\u5176\u4ed6\u7535\u529b\u8bbe\u65bd\u3002\u4e3a\u7535\u6d41\u6d4b\u91cf\u3001\u7535\u80fd\u8ba1\u91cf\u548c\u7ee7\u7535\u4fdd\u62a4\u63d0\u4f9b\u7535\u6d41\u4fe1\u53f7\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\">\u9ad8\u6d77\u62d4\u7edd\u7f18\u6027\u80fd<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u589e\u5f3a\u7684\u7edd\u7f18\u88d5\u5ea6<\/strong> \u8be5\u53d8\u538b\u5668\u91c7\u7528\u73af\u6c27\u6811\u8102\u771f\u7a7a\u6d47\u6ce8\u5de5\u827a\u5236\u9020\u3002\u5176\u7edd\u7f18\u7ed3\u6784\u548c\u722c\u7535\u8ddd\u79bb\u9488\u5bf9\u9ad8\u6d77\u62d4\u73af\u5883\u8fdb\u884c\u4e86\u4f18\u5316\u3002\u7edd\u7f18\u6c34\u5e73\u7ecf\u8fc7\u6821\u6b63\uff0c\u4ee5\u8865\u507f\u4f4e\u5927\u6c14\u538b\u4e0b\u4ecb\u7535\u5f3a\u5ea6\u7684\u964d\u4f4e\uff0c\u6709\u52a9\u4e8e\u9632\u6b62 12 kV \u7cfb\u7edf\u53d1\u751f\u7edd\u7f18\u51fb\u7a7f\u3002<\/li>\n\n\n\n<li><strong>\u7535\u6655\u548c\u5c40\u90e8\u653e\u7535\u7535\u963b<\/strong> \u5148\u8fdb\u7684\u6d47\u6ce8\u5de5\u827a\u5c06\u5c40\u90e8\u653e\u7535\u9650\u5236\u572810 pC\u4ee5\u5185\u3002\u4f18\u5316\u7684\u7535\u573a\u5206\u5e03\u964d\u4f4e\u4e86\u9ad8\u6d77\u62d4\u5730\u533a\u53d1\u751f\u7535\u6655\u653e\u7535\u7684\u98ce\u9669\uff0c\u5e76\u63d0\u9ad8\u4e86\u957f\u671f\u8fd0\u884c\u7684\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n<li><strong>\u5bbd\u6e29\u5ea6\u8303\u56f4\u5185\u7a33\u5b9a\u7684\u7edd\u7f18\u6027\u80fd\uff1a<\/strong> \u73af\u6c27\u6811\u8102\u4e3b\u4f53\u5728-30\u00b0C\u81f3+70\u00b0C\u7684\u6e29\u5ea6\u8303\u56f4\u5185\u4fdd\u6301\u7a33\u5b9a\u7684\u7edd\u7f18\u6027\u80fd\uff0c\u4e0d\u4f1a\u53d8\u8106\u6216\u53d8\u5f62\uff0c\u56e0\u6b64\u9002\u7528\u4e8e\u9ad8\u539f\u5730\u533a\u663e\u8457\u7684\u663c\u591c\u6e29\u5dee\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5353\u8d8a\u7684\u7535\u6c14\u6027\u80fd<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Wide range of current ratios:<\/strong> \u63d0\u4f9b\u591a\u79cd\u4e00\u6b21\/\u4e8c\u6b21\u7535\u6d41\u6bd4\uff0c\u5305\u62ec 10\/5 A\u300120\/5 A\u300130\/5 A\uff0c\u4ee5\u53ca\u9ad8\u8fbe 2,000\/5 A \u7684\u6bd4\u7387\u3002\u53ef\u6839\u636e\u4e0d\u540c\u7684\u8ba1\u91cf\u548c\u4fdd\u62a4\u8981\u6c42\u5b9a\u5236 0.2S\u30010.5\u30015P \u548c 10P \u7b49\u7cbe\u5ea6\u7b49\u7ea7\u3002<\/li>\n\n\n\n<li><strong>High short-time thermal and dynamic withstand capability:<\/strong> \u8be5\u4ea7\u54c1\u80fd\u591f\u627f\u53d7\u7cfb\u7edf\u77ed\u8def\u6545\u969c\u671f\u95f4\u4ea7\u751f\u7684\u89c4\u5b9a\u77ed\u65f6\u70ed\u7535\u6d41\u548c\u52a8\u8f7d\u7535\u6d41\uff0c\u9002\u7528\u4e8e\u5927\u7535\u6d41\u3001\u9ad8\u77ed\u8def\u5bb9\u91cf\u7684\u5e94\u7528\u573a\u5408\u3002<\/li>\n\n\n\n<li><strong>\u7a33\u5b9a\u7684\u4f4e\u8bef\u5dee\u7279\u6027<\/strong> \u8ba1\u91cf\u7ed5\u7ec4\u63d0\u4f9b\u4f4e\u4e14\u7a33\u5b9a\u7684\u6d4b\u91cf\u8bef\u5dee\uff0c\u53ef\u6ee1\u8db30.2S\u7ea7\u9ad8\u7cbe\u5ea6\u7535\u80fd\u8ba1\u91cf\u8981\u6c42\u3002\u4fdd\u62a4\u7ed5\u7ec4\u63d0\u4f9b\u8db3\u591f\u7684\u51c6\u786e\u9650\u503c\u7cfb\u6570\uff0c\u4ee5\u786e\u4fdd\u7ee7\u7535\u4fdd\u62a4\u7684\u53ef\u9760\u8fd0\u884c\u5e76\u964d\u4f4e\u8bef\u8df3\u6216\u62d2\u8df3\u7684\u98ce\u9669\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 post-type structure:<\/strong> \u4e00\u4f53\u5f0f\u73af\u6c27\u6811\u8102\u6d47\u6ce8\u7ed3\u6784\u4e0d\u542b\u88f8\u9732\u5e26\u7535\u90e8\u4ef6\uff0c\u9632\u62a4\u7b49\u7ea7\u4e3aIP20\u3002\u9002\u7528\u4e8e\u5ba4\u5185\u5f00\u5173\u8bbe\u5907\u5b89\u88c5\uff0c\u6709\u52a9\u4e8e\u9632\u6b62\u7070\u5c18\u548c\u6e7f\u6c14\u4fb5\u5165\u3002\u5916\u58f3\u8bbe\u8ba1\u4e5f\u9488\u5bf9\u4f4e\u5927\u6c14\u538b\u4e0b\u7684\u6563\u70ed\u8fdb\u884c\u4e86\u4f18\u5316\u3002<\/li>\n\n\n\n<li><strong>Compact modular design:<\/strong> \u7d27\u51d1\u7684\u7ed3\u6784\u5360\u7528\u6700\u5c0f\u7684\u5b89\u88c5\u7a7a\u95f4\uff0c\u5e76\u4e0e\u5305\u62ecKYN28\u7cfb\u5217\u8bbe\u5907\u5728\u5185\u7684\u6807\u51c610 kV\u5f00\u5173\u8bbe\u5907\u517c\u5bb9\u3002\u5b83\u652f\u6301\u67dc\u5185\u65b9\u4fbf\u7684\u591a\u56de\u8def\u5e03\u7f6e\u3002<\/li>\n\n\n\n<li><strong>Clearly marked secondary terminals:<\/strong> \u6b21\u7ea7\u7aef\u5b50\u7531\u900f\u660e\u76d6\u677f\u4fdd\u62a4\uff0c\u5e76\u6e05\u6670\u6807\u8bc6\uff0c\u65b9\u4fbf\u63a5\u7ebf\u3002\u8be5\u76d6\u677f\u6709\u52a9\u4e8e\u9632\u6b62\u63a5\u7ebf\u9519\u8bef\u3001\u77ed\u8def\u4ee5\u53ca\u6b21\u7ea7\u7535\u8def\u610f\u5916\u65ad\u5f00\u3002<\/li>\n\n\n\n<li><strong>Flexible installation:<\/strong> \u91d1\u5c5e\u5b89\u88c5\u5e95\u5ea7\u8bbe\u6709\u56fa\u5b9a\u5b54\uff0c\u53ef\u8fdb\u884c\u7262\u56fa\u7684\u87ba\u6813\u5b89\u88c5\u3002\u53d8\u538b\u5668\u53ef\u6c34\u5e73\u6216\u5782\u76f4\u5b89\u88c5\u5728\u5ba4\u5185\u5f00\u5173\u8bbe\u5907\u5185\uff0c\u5e76\u63d0\u4f9b\u53ef\u9760\u7684\u6297\u632f\u6027\u80fd\uff0c\u9002\u7528\u4e8e\u9ad8\u6d77\u62d4\u5730\u533a\u7684\u8fd0\u8f93\u548c\u5b89\u88c5\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> \u73af\u6c27\u6811\u8102\u6d47\u6ce8\u4f53\u5177\u6709\u9ad8\u673a\u68b0\u5f3a\u5ea6\u3001\u6297\u51b2\u51fb\u6027\u548c\u8010\u8001\u5316\u6027\u3002\u5b83\u6ca1\u6709\u6cc4\u6f0f\u98ce\u9669\uff0c\u5728\u957f\u671f\u8fd0\u884c\u4e2d\u53ea\u9700\u6700\u5c11\u7684\u7ef4\u62a4\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u504f\u8fdc\u9ad8\u6d77\u62d4\u5730\u533a\u7684\u7ef4\u62a4\u96be\u5ea6\u548c\u6210\u672c\u3002<\/li>\n\n\n\n<li><strong>Strong environmental adaptability:<\/strong> \u8be5\u4ea7\u54c1\u9002\u7528\u4e8e-30\u00b0C\u81f3+70\u00b0C\u7684\u73af\u5883\u6e29\u5ea6\u548c\u9ad8\u8fbe95%\u7684\u76f8\u5bf9\u6e7f\u5ea6\uff08\u975e\u51b7\u51dd\uff09\u3002\u5b83\u8fd8\u5177\u6709\u6297\u7d2b\u5916\u7ebf\u8f90\u5c04\u548c\u98ce\u8680\u7684\u80fd\u529b\uff0c\u9002\u5408\u9ad8\u539f\u5730\u533a\u7684\u73af\u5883\u7279\u70b9\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 A, customizable<\/td><\/tr><tr><td>Rated Secondary Current<\/td><td>5 A or 1 A<\/td><\/tr><tr><td>Metering Accuracy Class<\/td><td>0.2\u79d2 \/ 0.2 \/ 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-\u5730\u53ca\u76f8-\u76f8\uff0c\u7ecf\u9ad8\u6d77\u62d4\u4fee\u6b63\uff0c\u65e0\u51fb\u7a7f<\/td><\/tr><tr><td>\u96f7\u7535\u51b2\u51fb\u8010\u53d7\u7535\u538b<\/td><td>75\u5343\u4f0f\u5cf0\u503c\uff0c\u7ecf\u9ad8\u6d77\u62d4\u8fd0\u884c\u4fee\u6b63\uff0c\u65e0\u51fb\u7a7f<\/td><\/tr><tr><td>\u5c40\u90e8\u653e\u7535<\/td><td>\u226410 pC<\/td><\/tr><tr><td>Short-Time Thermal Current (Ith)<\/td><td>20 times the rated current for 1 second, customizable<\/td><\/tr><tr><td>Dynamic Current (Idyn)<\/td><td>2.5 times Ith, customizable<\/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\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>\u9002\u7528\u9ad8\u5ea6<\/td><td>2000\u20134000\u7c73\uff1b\u63d0\u4f9b\u66f4\u9ad8\u6d77\u62d4\u7248\u672c<\/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 1208<\/td><td>Current Transformers<\/td><\/tr><tr><td>GB\/T 20840.1<\/td><td>Instrument Transformers\u2014Part 1: General Requirements<\/td><\/tr><tr><td>GB\/T 11022<\/td><td>Common Specifications for High-Voltage Switchgear and Controlgear Standards<\/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\">\u9002\u7528\u4e8e\u6700\u9ad8\u7cfb\u7edf\u7535\u538b\u4e3a12\u5343\u4f0f\u7684\u5ba4\u518510\u5343\u4f0f\u4ea4\u6d41\u7535\u529b\u7cfb\u7edf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9002\u7528\u9ad8\u5ea6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e13\u4e3a\u6d77\u62d42000\u81f34000\u7c73\u7684\u9ad8\u539f\u5730\u533a\u8bbe\u8ba1\u3002\u66f4\u9ad8\u6d77\u62d4\u5730\u533a\u53ef\u63d0\u4f9b\u5b9a\u5236\u7248\u672c\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>\u9ad8\u6d77\u62d4\u5730\u533a\u5ba4\u5185\u4e2d\u538b\u5f00\u5173\u67dc\uff08\u5982KYN28\u548cXGN\u7cfb\u5217\u8bbe\u5907\uff09\u7684\u7535\u6d41\u6d4b\u91cf\u3001\u7535\u80fd\u8ba1\u91cf\u548c\u7ee7\u7535\u4fdd\u62a4<\/li>\n\n\n\n<li>\u9ad8\u539f\u5730\u533a\u7bb1\u5f0f\u53d8\u7535\u7ad9\u3001\u914d\u7535\u7ad9\u548c\u5f00\u5173\u7ad9\u7684\u5f53\u524d\u4fe1\u53f7\u91c7\u96c6<\/li>\n\n\n\n<li>\u9ad8\u6d77\u62d4\u5de5\u77ff\u4f01\u4e1a10\u5343\u4f0f\u914d\u7535\u7cfb\u7edf<\/li>\n\n\n\n<li>\u9ad8\u6d77\u62d4\u5de5\u4e1a\u56ed\u533a\u548c\u57fa\u7840\u8bbe\u65bd\u9879\u76ee<\/li>\n\n\n\n<li>Current monitoring and control in power automation systems<\/li>\n\n\n\n<li>\u9ad8\u6d77\u62d4\u7535\u529b\u5206\u914d\u5e94\u7528\uff0c\u8981\u6c42\u589e\u5f3a\u7edd\u7f18\u6027\u80fd\u4ee5\u53ca\u9ad8\u77ed\u65f6\u70ed\u7a33\u5b9a\u6027\u548c\u52a8\u7a33\u5b9a\u7535\u6d41\u627f\u53d7\u80fd\u529b<\/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\u9ad8\u4e00\u6b21\u4fa7\u7535\u6d41\u6309\u89c4\u5b9a\u6bd4\u4f8b\u8f6c\u6362\u4e3a\u6807\u51c6\u76845A\u62161A\u4e8c\u6b21\u4fa7\u7535\u6d41\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<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u8fd8\u4e3a\u4e3b\u7cfb\u7edf\u548c\u6b21\u7cfb\u7edf\u63d0\u4f9b\u4e86\u7535\u6c14\u9694\u79bb\uff0c\u6709\u52a9\u4e8e\u4fdd\u62a4\u8fde\u63a5\u7684\u8bbe\u5907\u548c\u64cd\u4f5c\u4eba\u5458\uff0c\u540c\u65f6\u6ee1\u8db3\u9ad8\u6d77\u62d4\u5730\u533a\u7279\u6b8a\u73af\u5883\u7684\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>\u5b89\u88c5\u9ad8\u5ea6\uff1a2000\u20134000 \u7c73<\/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>\u5b89\u88c5\u6d77\u62d4\u9ad8\u4e8e 4000 \u7c73<\/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 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\u6d47\u6ce8\u4f53\u65e0\u88c2\u7eb9\u3001\u6c14\u6ce1\u3001\u673a\u68b0\u635f\u4f24\u53ca\u5176\u4ed6\u7f3a\u9677\u3002\u68c0\u67e5\u6240\u6709\u7aef\u5b50\u6807\u8bb0\u662f\u5426\u6e05\u6670\uff0c\u6240\u4f9b\u9644\u4ef6\u662f\u5426\u9f50\u5168\u3002\u6838\u5b9e\u578b\u53f7\u3001\u89c4\u683c\u3001\u7535\u6d41\u6bd4\u53ca\u51c6\u786e\u5ea6\u7b49\u7ea7\u662f\u5426\u7b26\u5408\u8bbe\u8ba1\u8981\u6c42\u3002\u786e\u8ba4\u4ea7\u54c1\u4e3a\u6b63\u786e\u7684\u9ad8\u539f\u578b\u3002<\/li>\n\n\n\n<li><strong>Mounting:<\/strong><br>\u5c06\u7535\u6d41\u4e92\u611f\u5668\u5b89\u88c5\u5728\u5f00\u5173\u67dc\u5185\u6307\u5b9a\u4f4d\u7f6e\uff0c\u5e76\u7528\u87ba\u6813\u7a7f\u8fc7\u5e95\u5ea7\u4e0a\u7684\u5b89\u88c5\u5b54\u5c06\u5176\u56fa\u5b9a\u3002\u786e\u4fdd\u4e92\u611f\u5668\u5b89\u88c5\u7262\u56fa\uff0c\u65e0\u677e\u52a8\u6216\u79fb\u4f4d\u3002\u5b89\u88c5\u8868\u9762\u5e94\u6c34\u5e73\uff0c\u4ee5\u907f\u514d\u673a\u68b0\u5e94\u529b\u4e0d\u5747\uff0c\u5e76\u80fd\u9002\u5e94\u9ad8\u6d77\u62d4\u5730\u533a\u7684\u8fd0\u8f93\u548c\u5b89\u88c5\u6761\u4ef6\u3002<\/li>\n\n\n\n<li><strong>Primary-side connection:<\/strong><br>Connect the primary busbar according to the electrical design. Ensure close contact between the busbar and the primary terminals and tighten all bolts securely to prevent overheating caused by poor contact.<\/li>\n\n\n\n<li><strong>Secondary-side connection:<\/strong><br>\u6309\u7167\u6807\u8bb0\u8fde\u63a5\u4e8c\u6b21\u7ed5\u7ec4\u7aef\u5b50\u3002\u8ba1\u91cf\u7ed5\u7ec4\u548c\u4fdd\u62a4\u7ed5\u7ec4\u5fc5\u987b\u5206\u5f00\u6b63\u786e\u63a5\u7ebf\u3002\u4e00\u6b21\u4fa7\u5e26\u7535\u65f6\uff0c\u4e8c\u6b21\u4fa7\u56de\u8def\u7edd\u4e0d\u5141\u8bb8\u5f00\u8def\u3002\u4e8c\u6b21\u4fa7\u56de\u8def\u7684\u4e00\u70b9\u5fc5\u987b\u53ef\u9760\u63a5\u5730\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>Primary and earth<\/li><li>Secondary and earth<\/li><li>Primary and secondary<\/li><\/ul>\u5f53\u524d\u53d8\u538b\u5668\u53ea\u6709\u5728\u786e\u8ba4\u5176\u7edd\u7f18\u6027\u80fd\u6ee1\u8db3\u9ad8\u6d77\u62d4\u73af\u5883\u8fd0\u884c\u8981\u6c42\u540e\uff0c\u65b9\u53ef\u6295\u5165\u4f7f\u7528\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>\u5b9a\u671f\u68c0\u67e5\u73af\u6c27\u6811\u8102\u4e3b\u4f53\u662f\u5426\u6709\u88c2\u7eb9\u3001\u673a\u68b0\u635f\u4f24\u548c\u653e\u7535\u75d5\u8ff9\u3002<\/li>\n\n\n\n<li>\u68c0\u67e5\u63a5\u7ebf\u7aef\u5b50\u662f\u5426\u6709\u677e\u52a8\u3001\u6c27\u5316\u548c\u8fc7\u70ed\u73b0\u8c61\u3002<\/li>\n\n\n\n<li>\u8bf7\u7279\u522b\u6ce8\u610f\u722c\u7535\u8868\u9762\u7684\u6c61\u67d3\u7269\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\uff0c\u6ca1\u6709\u8fc7\u70ed\u6216\u53d8\u8272\u7684\u8ff9\u8c61\u3002<\/li>\n\n\n\n<li>\u786e\u4fdd\u4e8c\u6b21\u56de\u8def\u4e0d\u4f1a\u610f\u5916\u5f00\u8def\u6216\u9519\u8bef\u77ed\u8def\u3002<\/li>\n\n\n\n<li>Periodically test the insulation resistance and current-ratio error to confirm that metering and protection accuracy remain within the specified limits.<\/li>\n\n\n\n<li>\u68c0\u67e5\u5c40\u90e8\u653e\u7535\u6c34\u5e73\u662f\u5426\u6b63\u5e38\u3002<\/li>\n\n\n\n<li>\u6e05\u6d01\u7535\u6d41\u4e92\u611f\u5668\u8868\u9762\u7684\u7070\u5c18\u548c\u6c61\u67d3\u7269\uff0c\u5c24\u5176\u662f\u5728\u591a\u98ce\u3001\u591a\u5c18\u7684\u9ad8\u6d77\u62d4\u73af\u5883\u4e2d\u3002<\/li>\n\n\n\n<li>\u9632\u6b62\u6cb9\u6c61\u548c\u8150\u8680\u6027\u7269\u8d28\u63a5\u89e6\u94f8\u4ef6\u672c\u4f53\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u68c0\u6d4b\u5230\u5f00\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\u5fc5\u8981\u65f6\u66f4\u6362\u7535\u6d41\u4e92\u611f\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>The secondary winding must never be left open while the primary circuit is energized. An open secondary circuit may generate a hazardous overvoltage of several thousand volts, creating a serious risk to equipment and personnel. During maintenance, the secondary winding must be securely short-circuited and grounded.<\/li>\n\n\n\n<li>\u8fd0\u8f93\u548c\u5b89\u88c5\u8fc7\u7a0b\u4e2d\uff0c\u907f\u514d\u649e\u51fb\u6216\u78b0\u649e\u94f8\u4ef6\u672c\u4f53\u3002\u673a\u68b0\u635f\u4f24\u53ef\u80fd\u5bfc\u81f4\u73af\u6c27\u6811\u8102\u5f00\u88c2\uff0c\u5e76\u964d\u4f4e\u9ad8\u6d77\u62d4\u73af\u5883\u4e0b\u7684\u7edd\u7f18\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u8bbe\u5907\u5fc5\u987b\u53ef\u9760\u63a5\u5730\u3002\u5e95\u5ea7\u4e0a\u7684\u63a5\u5730\u7aef\u5b50\u5fc5\u987b\u7262\u56fa\u8fde\u63a5\u5230\u5f00\u5173\u67dc\u63a5\u5730\u6bcd\u7ebf\u4e0a\uff0c\u5e76\u7b26\u5408\u5b89\u88c5\u5730\u70b9\u9002\u7528\u7684\u63a5\u5730\u8981\u6c42\u3002<\/li>\n\n\n\n<li>\u8bf7\u5c06\u4ea7\u54c1\u5b58\u653e\u5728\u5e72\u71e5\u3001\u901a\u98ce\u3001\u9634\u51c9\u7684\u73af\u5883\u4e2d\u3002\u907f\u514d\u9633\u5149\u76f4\u5c04\u3001\u9ad8\u6e29\u3001\u6f6e\u6e7f\u3001\u6324\u538b\u4ee5\u53ca\u957f\u65f6\u95f4\u66b4\u9732\u5728\u5f3a\u7d2b\u5916\u7ebf\u4e0b\u3002<\/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\u548c\u9ad8\u6d77\u62d4\u5730\u533a\u7684\u7279\u6b8a\u5de5\u4f5c\u6761\u4ef6\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>LZZBJ9-12-GY \u9ad8\u539f\u7535\u6d41\u4e92\u611f\u5668<\/td><td>\u9ad8\u6d77\u62d4\u5e94\u7528\u4e2d\u7535\u6d41\u53d8\u6362\u548c\u7535\u6c14\u9694\u79bb\u7684\u4e3b\u8bbe\u5907<\/td><\/tr><tr><td>2<\/td><td>\u5b89\u88c5\u87ba\u6813\u548c\u57ab\u5708<\/td><td>\u7528\u4e8e\u5728\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u56fa\u5b9a\u7535\u6d41\u4e92\u611f\u5668<\/td><\/tr><tr><td>3<\/td><td>\u900f\u660e\u526f\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>\u63d0\u4f9b\u5b89\u88c5\u3001\u64cd\u4f5c\u548c\u7ef4\u62a4\u6307\u5357\uff0c\u5305\u62ec\u9ad8\u6d77\u62d4\u64cd\u4f5c\u8bf4\u660e<\/td><\/tr><tr><td>5<\/td><td>Product Certificate and Factory Test Report<\/td><td>\u63d0\u4f9b\u4ea7\u54c1\u8d28\u91cf\u548c\u6027\u80fd\u7684\u8bc1\u636e\uff0c\u5305\u62ec\u9ad8\u6d77\u62d4\u7edd\u7f18\u6821\u6b63\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 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>GB\/T 11022, <em>Common Specifications for High-Voltage Switchgear and Controlgear Standards<\/em><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u4ea7\u54c1\u5df2\u9488\u5bf9\u9ad8\u6d77\u62d4\u73af\u5883\u8fdb\u884c\u7edd\u7f18\u6821\u6b63\u548c\u578b\u5f0f\u8bd5\u9a8c\uff0c\u5176\u6027\u80fd\u6ee1\u8db3\u9ad8\u539f\u5730\u533a\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=\"848\" src=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LZZBJ9-12-GY-High-Altitude-Current-Transformer\uff081\uff09-1024x848.webp\" alt=\"LZZBJ9-12-GY \u9ad8\u538b\u7535\u6d41\u4e92\u611f\u5668\uff081\uff09\" class=\"wp-image-2547\" srcset=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LZZBJ9-12-GY-High-Altitude-Current-Transformer\uff081\uff09-1024x848.webp 1024w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LZZBJ9-12-GY-High-Altitude-Current-Transformer\uff081\uff09-300x248.webp 300w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LZZBJ9-12-GY-High-Altitude-Current-Transformer\uff081\uff09-768x636.webp 768w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LZZBJ9-12-GY-High-Altitude-Current-Transformer\uff081\uff09-14x12.webp 14w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LZZBJ9-12-GY-High-Altitude-Current-Transformer\uff081\uff09.webp 1047w\" 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 LZZBJ9-12-GY High-Altitude Current Transformer is a fully enclosed, post-type, epoxy resin cast current transformer designed for 10 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regions.<\/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\/1641","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\/2546"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/media\/2546"}],"wp:attachment":[{"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/media?parent=1641"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/product_category?post=1641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}