{"id":1635,"date":"2026-05-08T00:00:00","date_gmt":"2026-05-08T00:00:00","guid":{"rendered":"http:\/\/yieou.com\/?post_type=products&#038;p=1635"},"modified":"2026-09-16T04:48:16","modified_gmt":"2026-09-16T04:48:16","slug":"lsy-10-three-phase-current-transformer","status":"publish","type":"products","link":"https:\/\/yieou.com\/zh\/product\/lsy-10-three-phase-current-transformer\/","title":{"rendered":"LSY-10 Three-Phase 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\/\" data-type=\"link\" data-id=\"https:\/\/yieou.com\/products\/\">LSY-10 \u4e09\u76f8\u7535\u6d41\u4e92\u611f\u5668<\/a> \u8fd9\u662f\u4e00\u6b3e\u96c6\u6210\u73af\u6c27\u6811\u8102\u6d47\u6ce8\u5f0f\u7535\u6d41\u4e92\u611f\u5668\uff0c\u4e13\u4e3a\u5ba4\u5185 10 \u5343\u4f0f\u73af\u7f51\u67dc\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\u4ea7\u54c1\u5c06A\u3001B\u3001C\u4e09\u76f8\u7684\u7535\u6d41\u68c0\u6d4b\u529f\u80fd\u96c6\u6210\u5728\u5355\u4e00\u7684\u94f8\u9020\u4f53\u5185\u3002\u4e3b\u8981\u7528\u4e8e\u73af\u7f51\u67dc\u548c\u7bb1\u5f0f\u53d8\u7535\u7ad9\u7684\u7535\u6d41\u6d4b\u91cf\u3001\u7535\u80fd\u8ba1\u91cf\u3001\u7ee7\u7535\u4fdd\u62a4\u53ca\u8fc7\u6d41\u76d1\u6d4b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u7d27\u51d1\u7684\u96c6\u6210\u5f0f\u7ed3\u6784\u9002\u7528\u4e8e10\u5343\u4f0f\u914d\u7535\u7cfb\u7edf\u3001\u5f00\u5173\u7ad9\u3001\u5de5\u77ff\u4f01\u4e1a\u3001\u5546\u4e1a\u5efa\u7b51\u4ee5\u53ca\u5176\u4ed6\u9700\u8981\u8282\u7701\u7a7a\u95f4\u7684\u73af\u7f51\u67dc\u8bbe\u8ba1\u7684\u573a\u6240\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>\u4e09\u76f8\u6574\u4f53\u6d47\u6ce8\u7edd\u7f18<\/strong><br>\u4e09\u76f8\u7ed5\u7ec4\u88ab\u5c01\u88c5\u5728\u7531\u73af\u6c27\u6811\u8102\u771f\u7a7a\u6d47\u94f8\u5de5\u827a\u5236\u6210\u7684\u4e00\u4e2a\u6574\u4f53\u4e2d\u3002\u56fa\u4f53\u7edd\u7f18\u5c42\u4e0d\u542b\u5185\u90e8\u6c14\u9699\uff0c\u5e76\u63d0\u4f9b\u51fa\u8272\u7684\u4ecb\u7535\u6027\u80fd\u3002<\/li>\n\n\n\n<li><strong>Suitable for 12 kV systems:<\/strong><br>The transformer can withstand the specified power-frequency and lightning impulse withstand voltage requirements of 10 kV systems with a maximum system voltage of 12 kV.<\/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<\/li>\n\n\n\n<li><strong>Wide range of current ratios:<\/strong><br>\u6807\u51c6\u7535\u6d41\u6bd4\u6709 50\/5 A \u81f3 2,000\/5 A \u53ef\u4f9b\u9009\u62e9\u3002\u5176\u4ed6\u7535\u6d41\u6bd4\u53ef\u6839\u636e\u7cfb\u7edf\u8bbe\u8ba1\u5b9a\u5236\u3002<\/li>\n\n\n\n<li><strong>\u9ad8\u7cbe\u5ea6\u8ba1\u91cf<\/strong><br>\u9ad8\u7cbe\u5ea6\u7535\u80fd\u8ba1\u91cf\u63d0\u4f9b0.2S\u30010.5S\u548c0.5\u7b49\u7cbe\u5ea6\u7b49\u7ea7\u3002<\/li>\n\n\n\n<li><strong>Reliable protection performance:<\/strong><br>\u8fc7\u6d41\u4fdd\u62a4\u3001\u77ed\u8def\u4fdd\u62a4\u548c\u7ee7\u7535\u4fdd\u62a4\u5e94\u7528\u53ef\u914d\u7f6e5P\u548c10P\u7b49\u4fdd\u62a4\u51c6\u786e\u5ea6\u7b49\u7ea7\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>\u8be5\u53d8\u538b\u5668\u91c7\u7528\u4f18\u8d28\u7845\u94a2\u7247\u94c1\u82af\u548c\u9ad8\u5f3a\u5ea6\u7ed5\u7ec4\u6750\u6599\u3002\u5b83\u80fd\u591f\u627f\u53d7\u7cfb\u7edf\u77ed\u8def\u7535\u6d41\u4ea7\u751f\u7684\u70ed\u6548\u5e94\u548c\u7535\u52a8\u6548\u5e94\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>\u96c6\u6210\u4e09\u76f8\u5e72\u5f0f\u7ed3\u6784<\/strong><br>\u4e09\u76f8\u4f20\u611f\u5355\u5143\u94f8\u6210\u4e00\u4f53\uff0c\u5168\u5c01\u95ed\u7ed3\u6784\uff0c\u9632\u62a4\u7b49\u7ea7\u4e3aIP20\u3002<\/li>\n\n\n\n<li><strong>\u8282\u7701\u7a7a\u95f4\u7684\u8bbe\u8ba1<\/strong><br>\u4e0e\u4e09\u4e2a\u72ec\u7acb\u7684\u5355\u76f8\u7535\u6d41\u4e92\u611f\u5668\u76f8\u6bd4\uff0c\u96c6\u6210\u7ed3\u6784\u53ef\u4ee5\u51cf\u5c11\u6240\u9700\u7684 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Switchgear\" target=\"_blank\" rel=\"noopener\">switchgear <\/a>\u5b89\u88c5\u7a7a\u95f4\u51cf\u5c11\u7ea6 40%\u3002<\/li>\n\n\n\n<li><strong>\u4e13\u4e3a\u7d27\u51d1\u578b\u73af\u7f51\u5f00\u5173\u67dc\u8bbe\u8ba1\uff1a<\/strong><br>\u7d27\u51d1\u7684\u5c3a\u5bf8\u9002\u5408\u7a7a\u95f4\u53d7\u9650\u7684\u73af\u7f51\u67dc\u9694\u5ba4\u548c\u96c6\u6210\u914d\u7535\u8bbe\u5907\u3002<\/li>\n\n\n\n<li><strong>\u4e09\u76f8\u8d2f\u901a\u5b54\u8bbe\u8ba1<\/strong><br>A\u76f8\u3001B\u76f8\u548cC\u76f8\u6bcd\u7ebf\u76f4\u63a5\u7a7f\u8fc7\u5404\u81ea\u7684\u5b54\uff0c\u65e0\u9700\u989d\u5916\u7684\u521d\u7ea7\u7ed5\u7ec4\u8fde\u63a5\u5373\u53ef\u5b9e\u73b0\u7535\u6d41\u68c0\u6d4b\u3002<\/li>\n\n\n\n<li><strong>\u7b80\u5316\u4e3b\u7535\u8def<\/strong><br>\u8d2f\u901a\u5f0f\u7ed3\u6784\u7b80\u5316\u4e86\u4e3b\u7535\u8def\u5e03\u5c40\uff0c\u51cf\u5c11\u4e86\u5b89\u88c5\u6b65\u9aa4\uff0c\u5e76\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u4e86\u6f5c\u5728\u7684\u8fde\u63a5\u70b9\u6570\u91cf\u3002<\/li>\n\n\n\n<li><strong>\u6e05\u6670\u6807\u8bb0\u7684\u76f8\u4f4d\u5b54\u5f84\uff1a<\/strong><br>\u4e09\u4e2a\u5b54\u6d1e\u6e05\u6670\u5730\u6807\u8bc6\u4e3aA\u3001B\u548cC\u76f8\uff0c\u4ee5\u4fbf\u4e8e\u6b63\u786e\u7684\u6bcd\u7ebf\u5b89\u88c5\u3002<\/li>\n\n\n\n<li><strong>Clearly identified secondary terminals:<\/strong><br>\u4e8c\u6b21\u7aef\u5b50\u5206\u7ec4\u6e05\u6670\u6807\u8bb0\uff0c\u4fbf\u4e8e\u8fde\u63a5\u7535\u80fd\u8868\u3001\u4fdd\u62a4\u7ee7\u7535\u5668\u3001\u76d1\u6d4b\u88c5\u7f6e\u548c\u63a7\u5236\u8bbe\u5907\u3002<\/li>\n\n\n\n<li><strong>Secure bolt mounting:<\/strong><br>\u96c6\u6210\u5f0f\u673a\u4f53\u91c7\u7528\u6807\u51c6\u5b89\u88c5\u5b54\u548c\u87ba\u6813\u8fdb\u884c\u5b89\u88c5\uff0c\u63d0\u4f9b\u53ef\u9760\u7684\u673a\u68b0\u7a33\u5b9a\u6027\u548c\u6297\u632f\u6027\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>\u5e72\u5f0f\u65e0\u6cb9\u7ed3\u6784\u6d88\u9664\u4e86\u6f0f\u6cb9\u548c\u6362\u6cb9\u7684\u9700\u6c42\u3002\u73af\u6c27\u6811\u8102\u4e3b\u4f53\u63d0\u4f9b\u9ad8\u673a\u68b0\u5f3a\u5ea6\u3001\u6297\u51b2\u51fb\u6027\u548c\u8010\u8001\u5316\u6027\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>\u7a33\u5b9a\u51c6\u786e<\/strong><br>\u4f18\u8d28\u7684\u53e0\u7247\u7845\u94a2\u94c1\u82af\u548c\u6f06\u5305\u94dc\u7ebf\u5708\u53ef\u63d0\u4f9b\u4f4e\u8fd0\u884c\u635f\u8017\u3001\u6709\u9650\u7684\u6e29\u5347\u548c\u7a33\u5b9a\u7684\u8ba1\u91cf\u7cbe\u5ea6\u3002<\/li>\n\n\n\n<li><strong>Reliable protection operation:<\/strong><br>\u53d8\u538b\u5668\u5728\u5176\u989d\u5b9a\u8303\u56f4\u5185\u53ef\u627f\u53d7\u5f00\u5173\u8fc7\u7535\u538b\u548c\u77ed\u8def\u7535\u6d41\u7684\u5f71\u54cd\uff0c\u652f\u6301\u53ef\u9760\u7684\u8fc7\u6d41\u548c\u77ed\u8def\u4fdd\u62a4\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>50\u20132,000 \u5b89\u57f9\uff0c\u53ef\u5b9a\u5236<\/td><\/tr><tr><td>Rated Secondary Current<\/td><td>5 \u6807\u51c6\uff1b1 \u4e2a\u53ef\u7528<\/td><\/tr><tr><td>Metering Accuracy Class<\/td><td>0.2\u79d2\/0.5\u79d2\/0.5<\/td><\/tr><tr><td>Protection Accuracy Class<\/td><td>5P10 \/ 10P10\uff0c\u53ef\u5b9a\u5236<\/td><\/tr><tr><td>\u5de5\u9891\u8010\u538b<\/td><td>42 kV for 1 minute, without breakdown<\/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>\u7edd\u7f18\u7535\u963b<\/td><td>\u22651,000 M\u03a9 between the primary conductors, secondary circuits, and earth<\/td><\/tr><tr><td>\u77ed\u65f6\u70ed\u548c\u52a8\u6001\u7535\u6d41<\/td><td>\u6839\u636e\u7cfb\u7edf\u77ed\u8def\u989d\u5b9a\u503c\u5b9a\u5236\uff0c\u4f8b\u5982 20 kA \u6301\u7eed 2 \u79d2\u6216 31.5 kA \u6301\u7eed 2 \u79d2<\/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>\u5168\u6d47\u6ce8\u5f0f\u73af\u6c27\u6811\u8102\u96c6\u6210\u4e09\u76f8\u7ed3\u6784<\/td><\/tr><tr><td>\u9632\u62a4\u7b49\u7ea7<\/td><td>IP20<\/td><\/tr><tr><td>Installation Type<\/td><td>Indoor bolt-mounted installation<\/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 1208<\/td><td>Current 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\">LSY-10\u4e09\u76f8\u7535\u6d41\u4e92\u611f\u5668\u9002\u7528\u4e8e\u6700\u9ad8\u7cfb\u7edf\u7535\u538b\u4e3a12kV\u768410kV\u4ea4\u6d41\u7535\u529b\u7cfb\u7edf\u5ba4\u5185\u4f7f\u7528\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\u73af\u7f51\u67dc\u4e09\u76f8\u7535\u6d41\u6d4b\u91cf<\/li>\n\n\n\n<li>\u7bb1\u5f0f\u53d8\u7535\u7ad9\u7684\u7535\u80fd\u8ba1\u91cf\u4e0e\u7ee7\u7535\u4fdd\u62a4<\/li>\n\n\n\n<li>\u8fc7\u6d41\u548c\u77ed\u8def\u4fdd\u62a4<\/li>\n\n\n\n<li>10\u5343\u4f0f\u914d\u7535\u7cfb\u7edf\u5728\u5f00\u5173\u7ad9\u548c\u914d\u7535\u7ad9<\/li>\n\n\n\n<li>Industrial and mining enterprises<\/li>\n\n\n\n<li>Commercial buildings and industrial parks<\/li>\n\n\n\n<li>\u7535\u529b\u81ea\u52a8\u5316\u7cfb\u7edf\u4e2d\u7684\u4e09\u76f8\u7535\u6d41\u76d1\u6d4b\u4e0e\u63a7\u5236<\/li>\n\n\n\n<li>\u7d27\u51d1\u578b\u73af\u7f51\u67dc\uff0c\u7ec4\u4ef6\u66f4\u5c11\uff0c\u4e00\u6b21\u4fa7\u7535\u8def\u66f4\u7b80\u5316<\/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\">LSY-10 \u4ee5\u89c4\u5b9a\u7684\u6bd4\u4f8b\u5c06\u4e09\u76f8\u4e00\u6b21\u7535\u6d41\u8f6c\u6362\u4e3a\u6807\u51c6\u5316\u7684\u4e8c\u6b21\u7535\u6d41\uff0c\u901a\u5e38\u4e3a 5 A\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u5411\u4ee5\u4e0b\u8bbe\u5907\u63d0\u4f9b\u4e09\u76f8\u7535\u6d41\u4fe1\u53f7\uff1a<\/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>\u8fc7\u7535\u6d41\u4fdd\u62a4\u88c5\u7f6e<\/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\">\u53d8\u538b\u5668\u8fd8\u63d0\u4f9b\u4e86\u521d\u7ea7\u7535\u6e90\u7535\u8def\u4e0e\u6b21\u7ea7\u6d4b\u91cf\u548c\u4fdd\u62a4\u7535\u8def\u4e4b\u95f4\u7684\u7535\u6c14\u9694\u79bb\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u7528\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u80fd\u6e90\u8ba1\u91cf<\/li>\n\n\n\n<li>Load monitoring<\/li>\n\n\n\n<li>\u8fc7\u6d41\u4fdd\u62a4<\/li>\n\n\n\n<li>\u77ed\u8def\u4fdd\u62a4<\/li>\n\n\n\n<li>\u5f53\u524d\u4fe1\u53f7\u91c7\u96c6<\/li>\n\n\n\n<li>\u7535\u529b\u81ea\u52a8\u5316\u63a7\u5236<\/li>\n<\/ul>\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 fixed 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 current ratios<\/li>\n\n\n\n<li>Special accuracy classes<\/li>\n\n\n\n<li>\u7279\u6b8a\u77ed\u65f6\u70ed\u7535\u6d41\u6216\u52a8\u7535\u6d41\u627f\u53d7\u8981\u6c42<\/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\u548c\u76f8\u5e8f\u6807\u8bb0\u662f\u5426\u6e05\u6670\uff0c\u4ee5\u53ca\u6240\u4f9b\u9644\u4ef6\u662f\u5426\u9f50\u5168\u3002\u9a8c\u8bc1\u578b\u53f7\u3001\u7535\u6d41\u6bd4\u3001\u51c6\u786e\u5ea6\u7b49\u7ea7\u4ee5\u53ca\u77ed\u65f6\u70ed\u7a33\u5b9a\u548c\u52a8\u7a33\u5b9a\u7535\u6d41\u989d\u5b9a\u503c\u662f\u5426\u6ee1\u8db3\u7cfb\u7edf\u8bbe\u8ba1\u8981\u6c42\u3002<\/li>\n\n\n\n<li><strong>Mounting:<\/strong><br>\u5c06\u53d8\u538b\u5668\u653e\u7f6e\u5728\u73af\u7f51\u67dc\u5185\u6307\u5b9a\u4f4d\u7f6e\uff0c\u5e76\u7528\u87ba\u6813\u7a7f\u8fc7\u5b89\u88c5\u5b54\u5c06\u5176\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\u4fdd\u6301\u6c34\u5e73\uff0c\u4ee5\u907f\u514d\u673a\u68b0\u5e94\u529b\u4e0d\u5747\u3002<\/li>\n\n\n\n<li><strong>\u4e3b\u6bcd\u7ebf\u5b89\u88c5\uff1a<\/strong><br>\u5c06\u4e09\u6839\u9ad8\u538b\u6bcd\u7ebf\u7a7f\u8fc7\u6807\u8bb0\u4e3a A\u3001B \u548c C \u7684\u76f8\u5e94\u5b54\u3002\u786e\u4fdd\u6bcf\u6839\u6bcd\u7ebf\u90fd\u5c45\u4e2d\u5728\u5176\u5b54\u5185\uff0c\u5e76\u4e14\u4e0d\u63a5\u89e6\u5b54\u58c1\u3002\u907f\u514d\u522e\u4f24\u6216\u635f\u574f\u5b54\u5185\u7edd\u7f18\u8868\u9762\u3002<\/li>\n\n\n\n<li><strong>Secondary-side connection:<\/strong><br>\u6839\u636e\u7aef\u5b50\u6807\u8bb0\u5c06\u4e09\u76f8\u4e8c\u6b21\u4fa7\u7aef\u5b50\u8fde\u63a5\u81f3\u7535\u80fd\u8868\u3001\u7ee7\u7535\u4fdd\u62a4\u88c5\u7f6e\u6216\u76d1\u6d4b\u8bbe\u5907\u3002\u4e00\u6b21\u4fa7\u5e26\u7535\u65f6\uff0c\u4e8c\u6b21\u4fa7\u56de\u8def\u7edd\u4e0d\u5141\u8bb8\u5f00\u8def\u3002\u6bcf\u4e2a\u6240\u9700\u4e8c\u6b21\u56de\u8def\u7684\u4e00\u70b9\u5fc5\u987b\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>\u4e00\u6b21\u5bfc\u4f53\u548c\u4e8c\u6b21\u56de\u8def<\/li><li>Primary conductors and earth<\/li><li>\u4e8c\u6b21\u56de\u8def\u548c\u63a5\u5730<\/li><\/ul>\u5728\u8bbe\u5907\u6295\u5165\u8fd0\u884c\u524d\uff0c\u8bf7\u786e\u8ba4\u6240\u6709\u4e8c\u6b21\u56de\u8def\u5747\u5df2\u6b63\u786e\u8fde\u63a5\u4e14\u672a\u53d1\u751f\u65ad\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>\u68c0\u67e5\u6bcf\u4e2a\u6c47\u6d41\u6392\u5b54\u662f\u5426\u6709\u5f02\u7269\u3001\u78e8\u635f\u6216\u7edd\u7f18\u635f\u574f\u3002<\/li>\n\n\n\n<li>Inspect the secondary terminals for looseness, oxidation, or abnormal heating.<\/li>\n\n\n\n<li>\u68c0\u67e5\u6c47\u6d41\u6392\u662f\u5426\u4e0e\u5b54\u58c1\u63a5\u89e6\u6216\u6469\u64e6\u3002<\/li>\n\n\n\n<li>\u786e\u8ba4\u4e8c\u6b21\u63a5\u7ebf\u4fdd\u6301\u7262\u56fa\uff0c\u5e76\u4e14\u6ca1\u6709\u8fc7\u70ed\u6216\u53d8\u8272\u7684\u8ff9\u8c61\u3002<\/li>\n\n\n\n<li>\u786e\u4fdd\u6240\u6709\u4e8c\u6b21\u56de\u8def\u4fdd\u6301\u95ed\u5408\u4e14\u53ef\u9760\u63a5\u5730\u3002<\/li>\n\n\n\n<li>\u5b9a\u671f\u6d4b\u8bd5\u7edd\u7f18\u7535\u963b\u548c\u7535\u6d41\u6bd4\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>\u68c0\u67e5\u5df2\u8fde\u63a5\u7684\u4fdd\u62a4\u548c\u76d1\u63a7\u8bbe\u5907\u7684\u6b63\u786e\u8fd0\u884c\u3002<\/li>\n\n\n\n<li>Clean dust and contamination from the transformer surface.<\/li>\n\n\n\n<li>\u4fdd\u6301\u6240\u6709\u6c47\u6d41\u6392\u5b54\u65e0\u5f02\u7269\u3002<\/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\u8fc7\u5927\u7684\u7535\u6d41\u6bd4\u8bef\u5dee\u6216\u6b21\u7ea7\u56de\u8def\u5f00\u8def\uff0c\u5e94\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>\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>\u7ef4\u62a4\u671f\u95f4\uff0c\u4e8c\u6b21\u56de\u8def\u5728\u65ad\u5f00\u524d\u5fc5\u987b\u7262\u56fa\u77ed\u63a5\u5e76\u63a5\u5730\u3002<\/li>\n\n\n\n<li>\u8fd0\u8f93\u548c\u5b89\u88c5\u8fc7\u7a0b\u4e2d\uff0c\u907f\u514d\u4e0e\u73af\u6c27\u6811\u8102\u672c\u4f53\u53ca\u6bcd\u7ebf\u5b54\u53d1\u751f\u78b0\u649e\u6216\u63a5\u89e6\u3002<\/li>\n\n\n\n<li>\u5b89\u88c5\u9ad8\u538b\u6bcd\u7ebf\u65f6\uff0c\u8bf7\u52ff\u522e\u4f24\u5b54\u5185\u7684\u7edd\u7f18\u8868\u9762\u3002<\/li>\n\n\n\n<li>\u5c06 A\u3001B\u3001C \u76f8\u6bcd\u7ebf\u7a7f\u8fc7\u5176\u5bf9\u5e94\u7684\u6807\u8bb0\u5b54\u3002<\/li>\n\n\n\n<li>\u6bcf\u6839\u6c47\u6d41\u6392\u5e94\u540c\u5fc3\u5730\u7f6e\u4e8e\u5176\u5b54\u5185\uff0c\u4e14\u4e0d\u5f97\u63a5\u89e6\u5b54\u58c1\u3002<\/li>\n\n\n\n<li>\u9632\u6b62\u6bcd\u7ebf\u79fb\u52a8\u6216\u632f\u52a8\u5bfc\u81f4\u4e0e\u5b54\u58c1\u53cd\u590d\u63a5\u89e6\uff0c\u8fd9\u53ef\u80fd\u4f1a\u635f\u574f\u7edd\u7f18\u5e76\u9020\u6210\u653e\u7535\u6216\u77ed\u8def\u7684\u98ce\u9669\u3002<\/li>\n\n\n\n<li>\u8bbe\u5907\u5fc5\u987b\u53ef\u9760\u63a5\u5730\u3002\u63a5\u5730\u7aef\u5b50\u5fc5\u987b\u7262\u56fa\u8fde\u63a5\u5230\u73af\u7f51\u67dc\u63a5\u5730\u6c47\u6d41\u6392\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>LSY-10 Three-Phase Current Transformer<\/td><td>\u4e09\u76f8\u7535\u6d41\u53d8\u6362\u3001\u7535\u6c14\u9694\u79bb\u548c\u4fe1\u53f7\u91c7\u96c6\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>\u6b21\u7ea7\u7aef\u5b50\u76d6<\/td><td>\u4fdd\u62a4\u4f4e\u538b\u7aef\u5b50\uff0c\u5e76\u6709\u52a9\u4e8e\u9632\u6b62\u63a5\u7ebf\u9519\u8bef\u6216\u77ed\u8def\u3002<\/td><\/tr><tr><td>4<\/td><td>Product Instruction Manual<\/td><td>\u63d0\u4f9b\u5b89\u88c5\u3001\u64cd\u4f5c\u3001\u7ef4\u62a4\u548c\u6bcd\u7ebf\u5e03\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\u6d41\u52a8\u6bd4\u7387\u3001\u51c6\u786e\u5ea6\u4ee5\u53ca\u77ed\u65f6\u70ed\u7535\u6d41\u548c\u52a8\u7535\u6d41\u6d4b\u8bd5\u6570\u636e\u3002<\/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 20840.2, <em>Instrument Transformers\u2014Part 2: Additional Requirements for Current Transformers<\/em><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u4ea7\u54c1\u5df2\u901a\u8fc7\u9002\u7528\u578b\u5f0f\u8bd5\u9a8c\uff0c\u5176\u6027\u80fd\u6ee1\u8db3\u5ba4\u518510\u5343\u4f0f\u73af\u7f51\u5f00\u5173\u67dc\u52a8\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=\"987\" height=\"471\" src=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LSY-10-Three-Phase-Current-Transformer\uff081\uff09.webp\" alt=\"LSY-10 \u4e09\u76f8\u7535\u6d41\u4e92\u611f\u5668\uff081\uff09\" class=\"wp-image-2582\" srcset=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LSY-10-Three-Phase-Current-Transformer\uff081\uff09.webp 987w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LSY-10-Three-Phase-Current-Transformer\uff081\uff09-300x143.webp 300w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LSY-10-Three-Phase-Current-Transformer\uff081\uff09-768x366.webp 768w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LSY-10-Three-Phase-Current-Transformer\uff081\uff09-18x9.webp 18w\" sizes=\"(max-width: 987px) 100vw, 987px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"775\" height=\"1024\" src=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LSY-10-Three-Phase-Current-Transformer\uff082\uff09-775x1024.webp\" alt=\"LSY-10 \u4e09\u76f8\u7535\u6d41\u4e92\u611f\u5668\uff082\uff09\" class=\"wp-image-2583\" srcset=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LSY-10-Three-Phase-Current-Transformer\uff082\uff09-775x1024.webp 775w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LSY-10-Three-Phase-Current-Transformer\uff082\uff09-227x300.webp 227w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LSY-10-Three-Phase-Current-Transformer\uff082\uff09-768x1014.webp 768w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LSY-10-Three-Phase-Current-Transformer\uff082\uff09-9x12.webp 9w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/LSY-10-Three-Phase-Current-Transformer\uff082\uff09.webp 804w\" sizes=\"(max-width: 775px) 100vw, 775px\" \/><\/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 LSY-10 Three-Phase Current Transformer is an integrated epoxy resin cast current transformer designed specifically for indoor 10 [&hellip;]<\/p>\n","protected":false},"featured_media":2581,"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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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-1635","products","type-products","status-publish","has-post-thumbnail","hentry","product_category-instrument-transformer-series"],"acf":{"products_imagines":[2581],"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 LSY-10 Three-Phase Current Transformer is an integrated epoxy resin cast current transformer designed specifically for indoor 10 kV ring main units 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\/1635","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\/2581"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/media\/2581"}],"wp:attachment":[{"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/media?parent=1635"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/product_category?post=1635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}