{"id":1626,"date":"2026-05-08T00:00:00","date_gmt":"2026-05-08T00:00:00","guid":{"rendered":"http:\/\/yieou.com\/?post_type=products&#038;p=1626"},"modified":"2026-09-15T02:42:12","modified_gmt":"2026-09-15T02:42:12","slug":"jlszvw-10-combined-metering-transformer","status":"publish","type":"products","link":"https:\/\/yieou.com\/zh\/product\/jlszvw-10-combined-metering-transformer\/","title":{"rendered":"JLSZVW-10 Combined Metering 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\/\">JLSZVW-10 \u7ec4\u5408\u5f0f\u8ba1\u91cf\u4e92\u611f\u5668<\/a> \u8fd9\u662f\u4e00\u79cd\u6237\u5916\u73af\u6c27\u6811\u8102\u6d47\u6ce8\u5f0f\u7535\u80fd\u8ba1\u91cf\u88c5\u7f6e\uff0c\u4e13\u4e3a 10 \u5343\u4f0f\u4e09\u76f8\u4e09\u7ebf\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\">\u57fa\u4e8e\u53cc\u5143\u4ef6\u8ba1\u91cf\u65b9\u6848\uff0c\u8be5\u5355\u5143\u96c6\u6210\u4e86\u7535\u538b\u4e92\u611f\u5668\u548c\u7535\u6d41\u4e92\u611f\u5668\u529f\u80fd\uff0c\u53ef\u5728\u5355\u4e2a\u8bbe\u5907\u4e2d\u5b9e\u73b0\u4e09\u76f8\u7535\u538b\u6d4b\u91cf\u3001\u4e24\u76f8\u7535\u6d41\u91c7\u96c6\u548c\u7535\u80fd\u8ba1\u91cf\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u5e7f\u6cdb\u7528\u4e8e10\u5343\u4f0f\u6237\u5916\u914d\u7535\u7ebf\u8def\u7684\u6746\u4e0a\u8ba1\u91cf\uff0c\u662f\u4e09\u76f8\u4e09\u7ebf\u5236\u7535\u529b\u7cfb\u7edf\u7684\u5173\u952e\u8ba1\u91cf\u88c5\u7f6e\u4e4b\u4e00\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>Outdoor epoxy resin cast insulation:<\/strong><br>The complete unit is vacuum-cast using outdoor-grade epoxy resin. The solid insulation contains no internal air gaps and provides excellent dielectric performance.<\/li>\n\n\n\n<li><strong>Suitable for 12 kV systems:<\/strong><br>\u8be5\u88c5\u7f6e\u80fd\u591f\u627f\u53d7 10 kV \u7cfb\u7edf\uff08\u6700\u9ad8\u7cfb\u7edf\u7535\u538b\u4e3a 12 kV\uff09\u7684\u5de5\u4f5c\u7535\u538b\u3001\u5de5\u9891\u8010\u53d7\u7535\u538b\u548c\u96f7\u7535\u51b2\u51fb\u8010\u53d7\u7535\u538b\u8981\u6c42\u3002<\/li>\n\n\n\n<li><strong>Low partial discharge:<\/strong><br>\u5c40\u90e8\u653e\u7535\u9650\u5236\u572810\u76ae\u5e93\u5e93\u4ed1\uff08pC\uff09\u4ee5\u5185\uff0c\u6709\u52a9\u4e8e\u51cf\u7f13\u7edd\u7f18\u8001\u5316\uff0c\u63d0\u9ad8\u957f\u671f\u8fd0\u884c\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n<li><strong>Oil-free outdoor construction:<\/strong><br>\u8be5\u4ea7\u54c1\u4e0d\u542b\u7edd\u7f18\u6cb9\uff0c\u6d88\u9664\u4e86\u6f0f\u6cb9\u3001\u6cb9\u6c61\u67d3\u548c\u4e0e\u6cb9\u76f8\u5173\u7684\u706b\u707e\u9690\u60a3\u3002\u9002\u7528\u4e8e\u66b4\u9732\u5728\u9633\u5149\u3001\u96e8\u6c34\u3001\u6f6e\u6e7f\u548c\u6b63\u5e38\u6c61\u67d3\u4e0b\u7684\u6237\u5916\u73af\u5883\u3002<\/li>\n\n\n\n<li><strong>\u96c6\u6210\u5f0f\u53cc\u5143\u4ef6\u8ba1\u91cf\u88c5\u7f6e<\/strong><br>\u8be5\u5355\u5143\u4e13\u4e3a\u4e09\u76f8\u4e09\u7ebf\u5236\u7cfb\u7edf\u8bbe\u8ba1\uff0c\u96c6\u6210\u4e86\u4e24\u4e2a\u7535\u6d41\u4e92\u611f\u5668\u5143\u4ef6\u548c\u4e00\u4e2a\u7535\u538b\u4e92\u611f\u5668\u5143\u4ef6\u3002<\/li>\n\n\n\n<li><strong>\u540c\u6b65\u4fe1\u53f7\u91c7\u96c6<\/strong><br>\u5b83\u65e0\u9700\u989d\u5916\u7684\u5916\u90e8\u4eea\u5668\u53d8\u538b\u5668\u5373\u53ef\u83b7\u53d6\u4e09\u76f8\u7535\u538b\u548c\u4e24\u76f8\u7535\u6d41\u4fe1\u53f7\uff0c\u7528\u4e8e\u7535\u80fd\u8ba1\u91cf\u3001\u529f\u7387\u8ba1\u7b97\u548c\u8d1f\u8f7d\u76d1\u6d4b\u3002<\/li>\n\n\n\n<li><strong>Wide ratio range:<\/strong><br>\u53ef\u63d0\u4f9b10\/0.1\u5343\u4f0f\u7684\u6807\u51c6\u7535\u538b\u6bd4\uff0c\u800c\u7535\u6d41\u6bd4\u53ef\u6839\u636e\u8fde\u63a5\u7684\u8d1f\u8f7d\u4ece5\/5\u5b89\u57f9\u914d\u7f6e\u52302000\/5\u5b89\u57f9\u3002<\/li>\n\n\n\n<li><strong>High metering accuracy:<\/strong><br>\u7535\u6d41\u4e92\u611f\u5668\u7cbe\u5ea6\u7b49\u7ea7\u6700\u9ad8\u53ef\u8fbe0.2S\uff0c\u7535\u538b\u4e92\u611f\u5668\u7cbe\u5ea6\u7b49\u7ea7\u6700\u9ad8\u53ef\u8fbe0.2\u3002\u6839\u636e\u9879\u76ee\u9700\u6c42\uff0c\u4e5f\u53ef\u63d0\u4f9b0.5\u548c1\u7ea7\u3002<\/li>\n\n\n\n<li><strong>High pollution-flashover resistance:<\/strong><br>\u9ad8\u538b\u4fa7\u91c7\u7528\u591a\u4f1e\u88d9\u7edd\u7f18\u7ed3\u6784\uff0c\u5177\u6709\u66f4\u957f\u7684\u722c\u7535\u8ddd\u79bb\uff0c\u5728\u6f6e\u6e7f\u548c\u6c61\u67d3\u7684\u5ba4\u5916\u6761\u4ef6\u4e0b\u80fd\u53ef\u9760\u5730\u62b5\u6297\u8868\u9762\u95ea\u7edc\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 outdoor dry-type structure:<\/strong><br>\u6574\u4e2a\u5355\u5143\u7531\u6574\u4f53\u6d47\u6ce8\u6811\u8102\u6784\u6210\uff0c\u5185\u90e8\u65e0\u88f8\u9732\u5e26\u7535\u90e8\u4ef6\u3002<\/li>\n\n\n\n<li><strong>IP65\u9632\u62a4\u7b49\u7ea7<\/strong><br>\u6237\u5916\u56f4\u680f\u63d0\u4f9b IP65 \u9632\u62a4\u7b49\u7ea7\uff0c\u6709\u52a9\u4e8e\u9632\u6b62\u96e8\u6c34\u3001\u7070\u5c18\u548c\u6e7f\u6c14\u4fb5\u5165\u3002<\/li>\n\n\n\n<li><strong>Compact integrated design:<\/strong><br>\u7535\u538b\u548c\u7535\u6d41\u4e92\u611f\u5668\u529f\u80fd\u96c6\u6210\u4e8e\u4e00\u4f53\uff0c\u51cf\u5c11\u4e86\u5b89\u88c5\u7a7a\u95f4\uff0c\u7b80\u5316\u4e86\u73b0\u573a\u63a5\u7ebf\uff0c\u5e76\u964d\u4f4e\u4e86\u6240\u9700\u72ec\u7acb\u7ec4\u4ef6\u7684\u6570\u91cf\u3002<\/li>\n\n\n\n<li><strong>\u6cb9\u6d78\u5f0f\u8ba1\u91cf\u88c5\u7f6e\u7684\u66ff\u4ee3\u65b9\u6848\uff1a<\/strong><br>\u5e72\u5f0f\u7ed3\u6784\u5728\u9002\u7528\u573a\u5408\u53ef\u66ff\u4ee3\u4f20\u7edf\u7684\u6cb9\u6d78\u5f0f\u8ba1\u91cf\u7bb1\uff0c\u540c\u65f6\u65e0\u9700\u8fdb\u884c\u6cb9\u7ef4\u62a4\u3002<\/li>\n\n\n\n<li><strong>Outdoor high-voltage terminals:<\/strong><br>The high-voltage side uses copper busbar-type terminals for convenient connection to outdoor distribution conductors.<\/li>\n\n\n\n<li><strong>\u9540\u9521\u7aef\u5b50\u8868\u9762<\/strong><br>\u9ad8\u538b\u7aef\u5b50\u63a5\u89e6\u9762\u8fdb\u884c\u9540\u9521\u5904\u7406\uff0c\u4ee5\u63d0\u9ad8\u5728\u6237\u5916\u73af\u5883\u4e2d\u7684\u6297\u6c27\u5316\u548c\u8010\u8150\u8680\u6027\u80fd\u3002<\/li>\n\n\n\n<li><strong>Waterproof secondary terminal box:<\/strong><br>\u4f4e\u538b\u7aef\u5b50\u5b89\u88c5\u5728IP65\u9632\u6c34\u63a5\u7ebf\u76d2\u5185\uff0c\u4ee5\u4fdd\u62a4\u4e8c\u6b21\u56de\u8def\u514d\u53d7\u96e8\u6c34\u548c\u6e7f\u6c14\u7684\u4fb5\u8680\u3002<\/li>\n\n\n\n<li><strong>Clear terminal identification:<\/strong><br>\u9ad8\u538b\u7aef\u5b50\u4ee5\u53ca\u4e8c\u6b21\u7535\u538b\u548c\u7535\u6d41\u56de\u8def\u5747\u6e05\u6670\u6807\u8bb0\u5e76\u5206\u5f00\u5206\u7ec4\uff0c\u4ee5\u964d\u4f4e\u63a5\u7ebf\u9519\u8bef\u7684\u98ce\u9669\u3002<\/li>\n\n\n\n<li><strong>Flexible installation:<\/strong><br>\u8be5\u5355\u5143\u652f\u6301\u5ba4\u5916\u7535\u7ebf\u6746\u5b89\u88c5\u6a2a\u62c5\u548c\u5ba4\u5185 <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>\u5b89\u88c5<\/li>\n\n\n\n<li><strong>High mechanical stability:<\/strong><br>\u5b89\u88c5\u7ed3\u6784\u63d0\u4f9b\u53ef\u9760\u7684\u6297\u9707\u52a8\u548c\u6297\u98ce\u6027\u80fd\uff0c\u5728\u6b63\u786e\u5b89\u88c5\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u627f\u53d7\u6b63\u5e38\u7684\u6237\u5916\u98ce\u3001\u96e8\u3001\u96ea\u8f7d\u8377\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\u3001\u6362\u6cb9\u548c\u4e0e\u6cb9\u76f8\u5173\u7684\u706b\u707e\u98ce\u9669\u3002<\/li>\n\n\n\n<li><strong>High mechanical strength:<\/strong><br>The outdoor epoxy resin body provides reliable impact resistance, ageing resistance, and corrosion resistance.<\/li>\n\n\n\n<li><strong>Wide operating temperature range:<\/strong><br>The unit can operate at ambient temperatures from -40\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\u6237\u5916\u6e29\u5ea6\u53d8\u5316<\/strong><br>The product can withstand significant day-to-night and seasonal temperature changes.<\/li>\n\n\n\n<li><strong>High operational reliability:<\/strong><br>\u7535\u538b\u548c\u7535\u6d41\u4e92\u611f\u5668\u7ec4\u4ef6\u91c7\u7528\u4f18\u8d28\u78c1\u82af\u548c\u7ed5\u7ec4\u6750\u6599\uff0c\u5177\u6709\u4f4e\u8fd0\u884c\u635f\u8017\u548c\u6709\u9650\u7684\u6e29\u5347\u3002<\/li>\n\n\n\n<li><strong>Stable long-term accuracy:<\/strong><br>\u8be5\u88c5\u7f6e\u8bbe\u8ba1\u7528\u4e8e\u5728\u957f\u671f\u8fd0\u884c\u4e2d\u4fdd\u6301\u7a33\u5b9a\u7684\u8ba1\u91cf\u7cbe\u5ea6\uff0c\u5e76\u5c06\u8bef\u5dee\u6f02\u79fb\u964d\u81f3\u6700\u4f4e\u3002<\/li>\n\n\n\n<li><strong>Overvoltage withstand capability:<\/strong><br>The product can withstand switching and lightning overvoltages within its specified insulation level.<\/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>Voltage Ratio<\/td><td>10\/0.1 kV, customizable<\/td><\/tr><tr><td>Current Ratio<\/td><td>5\/5 A to 2,000\/5 A, customizable<\/td><\/tr><tr><td>Voltage Transformer Accuracy Class<\/td><td>0.2 \/ 0.5 \/ 1 \u7b49\u7ea7<\/td><\/tr><tr><td>Current Transformer Accuracy Class<\/td><td>0.2S \/ 0.5S \/ 0.5 \u7ea7<\/td><\/tr><tr><td>\u5de5\u9891\u8010\u538b<\/td><td>42 kV for 1 minute at the high-voltage terminal, 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 high voltage, low voltage, and earth<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ed3\u6784\u548c\u6750\u6599\u53c2\u6570<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u53c2\u6570<\/th><th>\u89c4\u683c<\/th><\/tr><\/thead><tbody><tr><td>\u7edd\u7f18\u4ecb\u8d28<\/td><td>Fully cast outdoor-grade epoxy resin<\/td><\/tr><tr><td>\u9632\u62a4\u7b49\u7ea7<\/td><td>IP65<\/td><\/tr><tr><td>Installation Type<\/td><td>Outdoor pole-mounted crossarm installation or indoor switchgear 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>-40\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 1208<\/td><td>Current Transformers<\/td><\/tr><tr><td>GB\/T 17215<\/td><td>Electricity Metering Equipment<\/td><\/tr><tr><td>DL\/T 448<\/td><td>Technical Administrative Code for Electric Energy Metering<\/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 Power System<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">JLSZVW-10\u7ec4\u5408\u5f0f\u8ba1\u91cf\u4e92\u611f\u5668\u9002\u7528\u4e8e\u6700\u9ad8\u7cfb\u7edf\u7535\u538b\u4e3a12kV\u768410kV\u4e09\u76f8\u4e09\u7ebf\u5236\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>Pole-mounted energy metering on outdoor 10 kV distribution lines<\/li>\n\n\n\n<li>Energy metering and load monitoring in indoor medium-voltage switchgear<\/li>\n\n\n\n<li>Box-type substations<\/li>\n\n\n\n<li>Switching and distribution stations<\/li>\n\n\n\n<li>10 kV distribution systems in industrial and mining enterprises<\/li>\n\n\n\n<li>Commercial buildings and industrial parks<\/li>\n\n\n\n<li>Energy data acquisition in power automation systems<\/li>\n\n\n\n<li>Power monitoring, control, and load management systems<\/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 combined metering transformer converts the system high voltage and primary current into standardized secondary signals:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Secondary voltage: 100 V<\/li>\n\n\n\n<li>Secondary current: 5 A<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u4fe1\u53f7\u53ef\u63d0\u4f9b\u7ed9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e09\u76f8\u4e09\u7ebf\u7535\u80fd\u8868<\/li>\n\n\n\n<li>Metering instruments<\/li>\n\n\n\n<li>Load-monitoring equipment<\/li>\n\n\n\n<li>Power data acquisition devices<\/li>\n\n\n\n<li>Energy management systems<\/li>\n\n\n\n<li>Power automation equipment<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The unit supports:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u80fd\u6e90\u8ba1\u91cf<\/li>\n\n\n\n<li>\u529f\u7387\u8ba1\u7b97<\/li>\n\n\n\n<li>Load monitoring<\/li>\n\n\n\n<li>Electrical parameter acquisition<\/li>\n\n\n\n<li>\u80fd\u6e90\u6d88\u8017\u7ba1\u7406<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u8fd8\u4e3a\u4e3b\u7535\u6e90\u7cfb\u7edf\u548c\u4e8c\u6b21\u8ba1\u91cf\u7535\u8def\u63d0\u4f9b\u4e86\u7535\u6c14\u9694\u79bb\uff0c\u6709\u52a9\u4e8e\u786e\u4fdd\u8fde\u63a5\u7684\u8ba1\u91cf\u8bbe\u5907\u5b89\u5168\u8fd0\u884c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u64cd\u4f5c\u6761\u4ef6<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b63\u5e38\u8fd0\u884c\u6761\u4ef6<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Installation altitude: no more than 2,000 m<\/li>\n\n\n\n<li>Ambient temperature: -40\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>\u6237\u5916\u6a21\u578b\u53ef\u627f\u53d7\u6b63\u5e38\u7684\u65e5\u6652\u3001\u96e8\u6dcb\u3001\u971c\u51bb\u548c\u98ce\u8680\u3002<\/li>\n\n\n\n<li>Outdoor pole-mounted crossarm or indoor switchgear installation<\/li>\n\n\n\n<li>Severe corrosion, salt spray, and heavy sand or dust conditions should be avoided unless a customized version is used<\/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 -40\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>Strong wind or severe sand and dust conditions<\/li>\n\n\n\n<li>High-intensity ultraviolet exposure<\/li>\n\n\n\n<li>Non-standard voltage ratios<\/li>\n\n\n\n<li>Non-standard current ratios<\/li>\n\n\n\n<li>Special 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 combined metering transformer and confirm that the epoxy resin 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, current ratio, and metering accuracy classes match the system design requirements.<\/li>\n\n\n\n<li><strong>Mounting:<\/strong><br>Select a suitable crossarm and mounting bracket according to the installation arrangement. Secure the metering transformer in the specified position and confirm that there is no looseness, displacement, or uneven mechanical loading. The mounting surface should be level. Outdoor pole-mounted installations must meet the applicable wind-load and anti-overturning requirements.<\/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\u90fd\u5df2\u7262\u56fa\u62e7\u7d27\u5e76\u63d0\u4f9b\u53ef\u9760\u7684\u7535\u6c14\u63a5\u89e6\u3002\u4fdd\u6301\u9ad8\u538b\u5bfc\u4f53\u3001\u63a5\u5730\u5143\u4ef6\u548c\u5176\u4ed6\u5e26\u7535\u90e8\u4ef6\u4e4b\u95f4\u6709\u8db3\u591f\u7684\u7535\u6c14\u95f4\u9699\u3002\u6237\u5916\u8fde\u63a5\u5fc5\u987b\u9632\u6b62\u6c34\u5206\u4fb5\u5165\u548c\u8150\u8680\u3002\u5728\u9700\u8981\u7684\u5730\u65b9\uff0c\u5e94\u5728\u7aef\u5b50\u63a5\u89e6\u9762\u4e0a\u6d82\u62b9\u5bfc\u7535\u818f\uff0c\u4ee5\u51cf\u5c11\u6c27\u5316\u3002<\/li>\n\n\n\n<li><strong>Secondary-side connection:<\/strong><br>\u5c06\u7535\u538b\u548c\u7535\u6d41\u4e8c\u6b21\u7aef\u5b50\u6309\u7167\u5176\u6807\u8bb0\u8fde\u63a5\u5230\u7535\u80fd\u8868\u3002\u4e00\u6b21\u4fa7\u5e26\u7535\u65f6\uff0c\u7535\u6d41\u4e92\u611f\u5668\u4e8c\u6b21\u4fa7\u56de\u8def\u7edd\u4e0d\u5141\u8bb8\u5f00\u8def\u3002\u7535\u538b\u4e92\u611f\u5668\u4e8c\u6b21\u4fa7\u56de\u8def\u7edd\u4e0d\u5141\u8bb8\u77ed\u8def\u3002\u7535\u6d41\u4e8c\u6b21\u56de\u8def\u5fc5\u987b\u6309\u7167\u7cfb\u7edf\u8bbe\u8ba1\u548c\u9002\u7528\u7684\u7535\u6c14\u5b89\u5168\u8981\u6c42\uff0c\u5728\u4e00\u70b9\u53ef\u9760\u63a5\u5730\u3002\u63a5\u7ebf\u5b8c\u6210\u540e\uff0c\u786e\u4fdd\u9632\u6c34\u4e8c\u6b21\u7aef\u5b50\u76d2\u6b63\u786e\u5173\u95ed\u5e76\u5bc6\u5c01\u3002<\/li>\n\n\n\n<li><strong>Insulation inspection:<\/strong><br>After installation, measure the insulation resistance between:<ul><li>High voltage and low voltage<\/li><li>High voltage and earth<\/li><li>Low voltage and earth<\/li><\/ul>Confirm that all secondary circuits are correctly connected and free from unintended open circuits or short circuits. Verify the energy meter connections and phase sequence before energizing the system.<\/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, corrosion, and abnormal heating.<\/li>\n\n\n\n<li>\u68c0\u67e5\u6240\u6709\u6237\u5916\u8fde\u63a5\u5904\u7684\u9632\u6c34\u548c\u9632\u8150\u8680\u4fdd\u62a4\u3002<\/li>\n\n\n\n<li>Confirm that the secondary terminal box remains properly sealed.<\/li>\n\n\n\n<li>Regularly inspect high-voltage and low-voltage connections for looseness, overheating, and discoloration.<\/li>\n\n\n\n<li>\u786e\u8ba4\u5f53\u524d\u4e8c\u6b21\u56de\u8def\u8fde\u63a5\u6b63\u786e\u4e14\u63a5\u5730\u53ef\u9760\u3002<\/li>\n\n\n\n<li>\u5b9a\u671f\u6821\u9a8c\u8ba1\u91cf\u51c6\u786e\u5ea6\uff0c\u5e76\u5c06\u4eea\u8868\u8bfb\u6570\u4e0e\u7ec4\u5408\u5f0f\u8ba1\u91cf\u53d8\u538b\u5668\u7684\u89c4\u5b9a\u8bef\u5dee\u9650\u503c\u8fdb\u884c\u6bd4\u8f83\u3002<\/li>\n\n\n\n<li>Periodically test the insulation resistance and confirm that the insulation performance remains within the specified requirements.<\/li>\n\n\n\n<li>Clean dust and contamination from the product surface.<\/li>\n\n\n\n<li>Regularly clean the insulating sheds to reduce the risk of pollution flashover.<\/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, electrical discharge, overheating, or excessive metering error is detected, immediately de-energize and inspect the equipment. Replace the unit 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\u4e8c\u6b21\u56de\u8def\u5728\u4e00\u6b21\u7cfb\u7edf\u5e26\u7535\u65f6\u7edd\u4e0d\u80fd\u5f00\u8def\u3002\u7535\u538b\u4e92\u611f\u5668\u4e8c\u6b21\u56de\u8def\u7edd\u4e0d\u80fd\u77ed\u8def\u3002\u4efb\u4f55\u4e00\u79cd\u60c5\u51b5\u90fd\u53ef\u80fd\u4ea7\u751f\u5371\u9669\u7684\u8fc7\u7535\u538b\u6216\u8fc7\u7535\u6d41\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\u5fc5\u987b\u5728\u65ad\u5f00\u524d\u7262\u56fa\u77ed\u8def\u63a5\u5730\u3002\u5de5\u4f5c\u5f00\u59cb\u524d\uff0c\u7535\u538b\u4e8c\u6b21\u56de\u8def\u5fc5\u987b\u5b89\u5168\u9694\u79bb\u3002<\/li>\n\n\n\n<li>Avoid impact or collision with the epoxy resin body and high-voltage terminals during transportation and installation. Mechanical damage may reduce insulation performance and pollution-flashover resistance.<\/li>\n\n\n\n<li>Use suitable insulated conductors for high-voltage connections. Maintain adequate electrical clearance from earthed components and other live parts to prevent phase-to-phase or phase-to-earth discharge.<\/li>\n\n\n\n<li>Confirm the correct phase sequence during three-phase wiring. Incorrect phase connections may affect metering accuracy.<\/li>\n\n\n\n<li>The equipment must be reliably earthed. The grounding terminal on the base must be securely connected to the grounding busbar.<\/li>\n\n\n\n<li>Outdoor installations must comply with the applicable lightning protection and earthing requirements.<\/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\n\n\n<li>Outdoor connections must be properly protected against rainwater ingress and corrosion.<\/li>\n\n\n\n<li>The metering transformer must pass verification by the relevant local metrology authority before being put into service where such verification is required.<\/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>JLSZVW-10\u6237\u5916\u53cc\u7ec4\u5408\u5f0f\u8ba1\u91cf\u4e92\u611f\u5668<\/td><td>\u7535\u538b\u548c\u7535\u6d41\u53d8\u6362\u3001\u7535\u6c14\u9694\u79bb\u548c\u7535\u80fd\u8ba1\u91cf\u7684\u4e3b\u8bbe\u5907<\/td><\/tr><tr><td>2<\/td><td>Mounting Brackets, Bolts, and Washers<\/td><td>Used to secure the metering transformer during installation<\/td><\/tr><tr><td>3<\/td><td>Secondary Terminal Box and Terminal Cover<\/td><td>Protect the low-voltage terminals against incorrect connection, short circuits, and water ingress<\/td><\/tr><tr><td>4<\/td><td>Product Instruction Manual<\/td><td>Provides installation, operation, maintenance, wiring, and outdoor mounting guidance<\/td><\/tr><tr><td>5<\/td><td>Product Certificate, Factory Test Report, and Metrological Verification Certificate<\/td><td>Provide product quality and performance documentation, including voltage-ratio, current-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 1208, <em>Current Transformers<\/em><\/li>\n\n\n\n<li>GB\/T 17215, <em>Electricity Metering Equipment<\/em><\/li>\n\n\n\n<li>DL\/T 448, <em>Technical Administrative Code for Electric Energy Metering<\/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\u548c\u8ba1\u91cf\u68c0\u5b9a\uff0c\u5176\u6027\u80fd\u6ee1\u8db310\u5343\u4f0f\u4e09\u76f8\u4e09\u7ebf\u5236\u7535\u529b\u7cfb\u7edf\u7684\u7535\u80fd\u8ba1\u91cf\u8981\u6c42\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"989\" height=\"653\" src=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JLSZVW-10-Combined-Metering-Transformer.webp\" alt=\"JLSZVW-10 Combined Metering Transformer\" class=\"wp-image-2588\" srcset=\"https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JLSZVW-10-Combined-Metering-Transformer.webp 989w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JLSZVW-10-Combined-Metering-Transformer-300x198.webp 300w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JLSZVW-10-Combined-Metering-Transformer-768x507.webp 768w, https:\/\/yieou.com\/wp-content\/uploads\/2026\/05\/JLSZVW-10-Combined-Metering-Transformer-18x12.webp 18w\" sizes=\"(max-width: 989px) 100vw, 989px\" \/><\/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 JLSZVW-10 Combined Metering Transformer is an outdoor epoxy resin cast energy-metering unit designed for 10 kV three-phase [&hellip;]<\/p>\n","protected":false},"featured_media":2588,"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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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\/1626","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\/2588"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/media\/2588"}],"wp:attachment":[{"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/media?parent=1626"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/yieou.com\/zh\/wp-json\/wp\/v2\/product_category?post=1626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}