{"id":793,"date":"2022-02-25T15:15:59","date_gmt":"2022-02-25T07:15:59","guid":{"rendered":"https:\/\/www.ah-snchain.cn\/?p=793"},"modified":"2025-08-15T16:55:39","modified_gmt":"2025-08-15T08:55:39","slug":"%e7%94%b5%e7%a3%81%e5%85%bc%e5%ae%b9%ef%bc%88emc%ef%bc%89-%e8%b0%90%e6%b3%a2%e7%94%b5%e6%b5%81%e4%b8%8e%e7%94%b5%e5%8e%8b%e6%b3%a2%e5%8a%a8%e5%92%8c%e9%97%aa%e7%83%81%e9%99%90%e5%80%bc","status":"publish","type":"post","link":"https:\/\/www.ah-snchain.cn\/?p=793","title":{"rendered":"\u7535\u78c1\u517c\u5bb9\uff08EMC\uff09\u2014\u8c10\u6ce2\u7535\u6d41\u4e0e\u7535\u538b\u6ce2\u52a8\u548c\u95ea\u70c1\u9650\u503c"},"content":{"rendered":"<div id=\"pl-793\"  class=\"panel-layout\" ><div id=\"pg-793-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-793-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-793-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p>IEC 61000-3-2:2018+AMD1:2020 CSV Electromagnetic compatibility(EMC)-Part 3-2:Limits-Limits for harmonic current emissions (equipment input current \u2264 16 A per phase)<br \/>\nGB 17625.1-2012 \u7535\u78c1\u517c\u5bb9 \u9650\u503c \u8c10\u6ce2\u7535\u6d41\u53d1\u5c04\u9650\u503c\uff08\u8bbe\u5907\u6bcf\u76f8\u8f93\u5165\u7535\u6d41\u226416A\uff09<\/p>\n<p>THC\u603b\u8c10\u6ce2\u7535\u6d41\uff08total harmonic current\uff09\uff1a2-40\u6b21\u8c10\u6ce2\u7535\u6d41\u5206\u91cf\u603b\u6709\u6548\u503c\u3002<br \/>\nTHD\u603b\u8c10\u6ce2\u7578\u53d8\u7387\uff08total harmonic distortion\uff09\uff1a\u6240\u6709\u8c10\u6ce2\u5206\u91cf\u6709\u6548\u503c\uff082-40\u6b21\u8c10\u6ce2\u7535\u6d41\u5206\u91cf\uff09\u4e0e\u57fa\u6ce2\u7535\u6d41\u6709\u6548\u503c\u4e4b\u6bd4\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-794\" src=\"https:\/\/www.ah-snchain.cn\/wp-content\/uploads\/2022\/02\/\u8c10\u6ce2\u7535\u6d41-1024x688.jpg\" alt=\"\" width=\"720\" height=\"484\" srcset=\"https:\/\/www.ah-snchain.cn\/wp-content\/uploads\/2022\/02\/\u8c10\u6ce2\u7535\u6d41-1024x688.jpg 1024w, https:\/\/www.ah-snchain.cn\/wp-content\/uploads\/2022\/02\/\u8c10\u6ce2\u7535\u6d41-300x201.jpg 300w, https:\/\/www.ah-snchain.cn\/wp-content\/uploads\/2022\/02\/\u8c10\u6ce2\u7535\u6d41-768x516.jpg 768w, https:\/\/www.ah-snchain.cn\/wp-content\/uploads\/2022\/02\/\u8c10\u6ce2\u7535\u6d41-272x182.jpg 272w, https:\/\/www.ah-snchain.cn\/wp-content\/uploads\/2022\/02\/\u8c10\u6ce2\u7535\u6d41.jpg 1090w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>IEC 61000-3-3:2013+AMD1:2017+AMD2:2021 CSV Electromagnetic compatibility (EMC) - Part 3-3: Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current \u226416 A per phase and not subject to conditional connection<br \/>\nGB\/T 17625.2-2007 \u7535\u78c1\u517c\u5bb9 \u9650\u503c \u5bf9\u6bcf\u76f8\u989d\u5b9a\u7535\u6d41\u226416A\u4e14\u65e0\u6761\u4ef6\u63a5\u5165\u7684\u8bbe\u5907\u5728\u516c\u7528\u4f4e\u538b\u4f9b\u7535\u7cfb\u7edf\u4e2d\u4ea7\u751f\u7684\u7535\u538b\u53d8\u5316\u3001\u7535\u538b\u6ce2\u52a8\u548c\u95ea\u70c1\u7684\u9650\u503c<\/p>\n<p>Pst\u77ed\u671f\u95ea\u70c1\u6307\u793a\u503c\uff08short-term flicker indicator\uff09\uff1a\u8bc4\u5b9a\u77ed\u65f6\u95f4\uff08\u51e0\u5206\u949f\uff09\u95ea\u70c1\u7684\u4e25\u9177\u7a0b\u5ea6\u3002<br \/>\nPlt\u957f\u671f\u95ea\u70c1\u6307\u793a\u503c\uff08long-term flicker indicator\uff09\uff1a\u7528\u8fde\u7eedPst\u503c\u8bc4\u5b9a\u957f\u65f6\u95f4\uff08\u51e0\u5c0f\u65f6\uff09\u5185\u95ea\u70c1\u7684\u4e25\u9177\u7a0b\u5ea6\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-795\" src=\"https:\/\/www.ah-snchain.cn\/wp-content\/uploads\/2022\/02\/\u7535\u538b\u6ce2\u52a8\u4e0e\u95ea\u70c1-1024x625.jpg\" alt=\"\" width=\"720\" height=\"439\" srcset=\"https:\/\/www.ah-snchain.cn\/wp-content\/uploads\/2022\/02\/\u7535\u538b\u6ce2\u52a8\u4e0e\u95ea\u70c1-1024x625.jpg 1024w, https:\/\/www.ah-snchain.cn\/wp-content\/uploads\/2022\/02\/\u7535\u538b\u6ce2\u52a8\u4e0e\u95ea\u70c1-300x183.jpg 300w, https:\/\/www.ah-snchain.cn\/wp-content\/uploads\/2022\/02\/\u7535\u538b\u6ce2\u52a8\u4e0e\u95ea\u70c1-768x469.jpg 768w, https:\/\/www.ah-snchain.cn\/wp-content\/uploads\/2022\/02\/\u7535\u538b\u6ce2\u52a8\u4e0e\u95ea\u70c1.jpg 1091w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>IEC 61000-3-2:2018+AMD1:2020 CSV Electromagnetic compat [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1017,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[22],"_links":{"self":[{"href":"https:\/\/www.ah-snchain.cn\/index.php?rest_route=\/wp\/v2\/posts\/793"}],"collection":[{"href":"https:\/\/www.ah-snchain.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ah-snchain.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ah-snchain.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ah-snchain.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=793"}],"version-history":[{"count":3,"href":"https:\/\/www.ah-snchain.cn\/index.php?rest_route=\/wp\/v2\/posts\/793\/revisions"}],"predecessor-version":[{"id":1030,"href":"https:\/\/www.ah-snchain.cn\/index.php?rest_route=\/wp\/v2\/posts\/793\/revisions\/1030"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ah-snchain.cn\/index.php?rest_route=\/wp\/v2\/media\/1017"}],"wp:attachment":[{"href":"https:\/\/www.ah-snchain.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ah-snchain.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ah-snchain.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}