{"id":45273,"date":"2024-02-23T09:18:26","date_gmt":"2024-02-23T09:18:26","guid":{"rendered":"https:\/\/www.kdmsteel.com\/?p=45273"},"modified":"2024-02-23T09:18:26","modified_gmt":"2024-02-23T09:18:26","slug":"dc-circuit-breaker","status":"publish","type":"post","link":"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/","title":{"rendered":"\u76f4\u6d41\u65ad\u8def\u5668"},"content":{"rendered":"<p>\u8fd9\u4e9b\u662f\u673a\u68b0\u5f00\u5173\uff0c\u7528\u4e8e\u9632\u6b62\u76f4\u6d41\u7535\u8def\u4e2d\u7684\u77ed\u8def\u548c\u8fc7\u6d41\u3002\u5b83\u4eec\u65e8\u5728\u5728\u53d1\u751f\u6545\u969c\u65f6\u5207\u65ad\u76f4\u6d41\u7535\u6c14\u7cfb\u7edf\u4e2d\u7684\u7535\u6d41\u3002<\/p>\n<figure id=\"attachment_45274\" aria-describedby=\"caption-attachment-45274\" style=\"width: 615px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45274\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-1-DC-circuit-breaker.jpg\" alt=\"\u76f4\u6d41\u65ad\u8def\u5668\" width=\"615\" height=\"425\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-1-DC-circuit-breaker.jpg 615w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-1-DC-circuit-breaker-150x104.jpg 150w\" sizes=\"auto, (max-width: 615px) 100vw, 615px\" \/><figcaption id=\"caption-attachment-45274\" class=\"wp-caption-text\">\u76f4\u6d41\u65ad\u8def\u5668<\/figcaption><\/figure>\n<p>\u5b83\u4eec\u91c7\u7528\u9650\u5236\u7535\u6d41\u5e76\u6d88\u9664\u8fc7\u6d41\u7535\u5f27\u7684\u673a\u5236\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u7535\u8def\u7684\u5dee\u52a8\u65f6\u5e8f\u5f97\u5230\u6781\u5927\u6539\u5584\u3002<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u5207\u6362\u76ee\u5f55\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u5207\u6362<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 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\u76f4\u6d41\u65ad\u8def\u5668\u63a5\u7ebf\u56fe<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#Function_of_Circuit_Breaker_in_DC_Systems\" >\u76f4\u6d41\u7cfb\u7edf\u4e2d\u65ad\u8def\u5668\u7684\u4f5c\u7528<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#Types_of_DC_Circuit_Breakers\" >\u76f4\u6d41\u65ad\u8def\u5668\u7684\u7c7b\u578b<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#DC_Arc_Suppression_Circuit_Breakers\" >\u76f4\u6d41\u6d88\u5f27\u65ad\u8def\u5668<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#High-Speed_DC_Circuit_Breaker\" >\u9ad8\u901f\u76f4\u6d41\u65ad\u8def\u5668<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#DC_Solid_State_Circuit_Breaker\" >\u76f4\u6d41\u56fa\u6001\u65ad\u8def\u5668<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#High_Voltage_DC_Circuit_Breaker\" >\u9ad8\u538b\u76f4\u6d41\u65ad\u8def\u5668<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#Magnetic_DC_Circuit_Breaker\" >\u78c1\u5f0f\u76f4\u6d41\u65ad\u8def\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#Thermal_DC_Circuit_Breaker\" >\u70ed\u5f0f\u76f4\u6d41\u65ad\u8def\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#Thermal-Magnetic_DC_Circuit_Breaker\" >\u70ed\u78c1\u76f4\u6d41\u65ad\u8def\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#Hybrid_DC_Circuit_Breaker\" >\u6df7\u5408\u76f4\u6d41\u65ad\u8def\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#Number_of_Poles\" >\u6781\u6570<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#2_Pole_DC_Circuit_Breaker\" >2 \u6781\u76f4\u6d41\u65ad\u8def\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#4_Pole_DC_Circuit_Breaker\" >4 \u6781\u76f4\u6d41\u65ad\u8def\u5668<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#DC_Mini_Circuit_BreakerDC_Miniature_Circuit_Breaker\" >\u76f4\u6d41\u5fae\u578b\u65ad\u8def\u5668\/\u76f4\u6d41\u5fae\u578b\u65ad\u8def\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#DC_Molded_Case_Circuit_Breakers\" >\u76f4\u6d41\u5851\u58f3\u65ad\u8def\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#DC_Air_Circuit_Breaker\" >\u76f4\u6d41\u7a7a\u6c14\u65ad\u8def\u5668<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#Parts_of_Circuit_Breaker_for_Direct_Current\" >\u76f4\u6d41\u65ad\u8def\u5668\u96f6\u4ef6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#DC_Circuit_Breaker_Working_Principle\" >\u76f4\u6d41\u65ad\u8def\u5668\u5de5\u4f5c\u539f\u7406<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#DC_Circuit_Breaker_Rating\" >\u76f4\u6d41\u65ad\u8def\u5668\u989d\u5b9a\u503c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#DC_Circuit_Breaker_Sizing\" >\u76f4\u6d41\u65ad\u8def\u5668\u5c3a\u5bf8<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#80_Breaker_Rule\" >80% \u7834\u574f\u8005\u89c4\u5219<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#Calculating_Amps_from_Wattage\" >\u6839\u636e\u74e6\u6570\u8ba1\u7b97\u5b89\u57f9\u6570<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#Thermal_Magnetic_Tripping_in_Circuit_Breaker_for_DC\" >\u76f4\u6d41\u65ad\u8def\u5668\u70ed\u78c1\u8131\u6263<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#DC_MCB_Circuit_Breaker_vs_Molded_Case_Circuit_Breaker_MCCB\" >\u76f4\u6d41 MCB \u65ad\u8def\u5668\u4e0e\u5851\u58f3\u65ad\u8def\u5668 (MCCB)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#DC_Vs_AC_Circuit_Breaker\" >\u76f4\u6d41\u65ad\u8def\u5668\u4e0e\u4ea4\u6d41\u65ad\u8def\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#Applications_of_Circuit_Breaker_in_DC_Systems\" >\u65ad\u8def\u5668\u5728\u76f4\u6d41\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#%C2%B7_Circuit_Breaker_for_DC_Power_Transmission\" >\u00b7 \u76f4\u6d41\u8f93\u7535\u7528\u65ad\u8def\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#%C2%B7_DC_Motor_Circuit_Breaker\" >\u00b7 \u76f4\u6d41\u7535\u52a8\u673a\u65ad\u8def\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#%C2%B7_DC_Solar_Circuit_Breaker\" >\u00b7 \u76f4\u6d41\u592a\u9633\u80fd\u65ad\u8def\u5668<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#How_to_Choose_Circuit_Breaker_for_DC\" >\u5982\u4f55\u9009\u62e9\u76f4\u6d41\u65ad\u8def\u5668<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#FAQs\" >\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#%C2%B7_Can_AC_Circuit_Breakers_be_used_in_DC_Systems\" >\u00b7 \u4ea4\u6d41\u65ad\u8def\u5668\u53ef\u4ee5\u7528\u4e8e\u76f4\u6d41\u7cfb\u7edf\u5417\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#%C2%B7_Arcing_In_DC_Breakers_Vs_in_AC_Breakers\" >\u00b7 \u76f4\u6d41\u65ad\u8def\u5668\u4e0e\u4ea4\u6d41\u65ad\u8def\u5668\u7684\u7535\u5f27<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/www.kdmsteel.com\/zh\/\u76f4\u6d41\u65ad\u8def\u5668\/#%C2%B7_DC_circuit_Breakers_Directional\" >\u00b7 \u76f4\u6d41\u65ad\u8def\u5668\u6709\u65b9\u5411\u6027\u5417\uff1f<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Circuit_Breaker_for_DC_Basics\"><\/span>\u76f4\u6d41\u65ad\u8def\u5668\u57fa\u7840\u77e5\u8bc6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"DC_Circuit_Breaker_Symbol\"><\/span>\u76f4\u6d41\u65ad\u8def\u5668\u7b26\u53f7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u6211\u4eec\u4e3b\u8981\u5728\u4ee5\u4e0b\u573a\u5408\u4f7f\u7528\u8fd9\u4e9b\u7b26\u53f7 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Electrical_network\">\u7535\u8def<\/a>.<\/p>\n<figure id=\"attachment_45275\" aria-describedby=\"caption-attachment-45275\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45275\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/Figure-2-DC-circuit-breaker-symbol.jpg\" alt=\"\u76f4\u6d41\u65ad\u8def\u5668\u7b26\u53f7\" width=\"650\" height=\"450\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/Figure-2-DC-circuit-breaker-symbol.jpg 650w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/Figure-2-DC-circuit-breaker-symbol-150x104.jpg 150w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-45275\" class=\"wp-caption-text\">\u76f4\u6d41\u65ad\u8def\u5668\u7b26\u53f7<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_DC_Circuit_Breaker_Wiring_Diagram\"><\/span>\u00b7 \u76f4\u6d41\u65ad\u8def\u5668\u63a5\u7ebf\u56fe<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4f46\u662f\uff0c\u5bf9\u4e8e\u63a5\u7ebf\u56fe\uff0c\u60a8\u4f1a\u53d1\u73b0\u5982\u4e0b 3D \u56fe\u50cf\uff1a<\/p>\n<figure id=\"attachment_45276\" aria-describedby=\"caption-attachment-45276\" style=\"width: 621px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45276\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-3-DC-circuit-breaker-wiring.jpg\" alt=\"\u76f4\u6d41\u65ad\u8def\u5668\u63a5\u7ebf\" width=\"621\" height=\"348\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-3-DC-circuit-breaker-wiring.jpg 621w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-3-DC-circuit-breaker-wiring-150x84.jpg 150w\" sizes=\"auto, (max-width: 621px) 100vw, 621px\" \/><figcaption id=\"caption-attachment-45276\" class=\"wp-caption-text\">\u76f4\u6d41\u65ad\u8def\u5668\u63a5\u7ebf<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Function_of_Circuit_Breaker_in_DC_Systems\"><\/span>\u76f4\u6d41\u7cfb\u7edf\u4e2d\u65ad\u8def\u5668\u7684\u4f5c\u7528<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4ece\u5176\u540d\u79f0\u53ef\u4ee5\u6e05\u695a\u5730\u770b\u51fa\uff0c\u6211\u4eec\u4f7f\u7528\u6b64\u7c7b <a href=\"https:\/\/en.wikipedia.org\/wiki\/Circuit_breaker\">\u65ad\u8def\u5668<\/a> \u4fdd\u62a4\u4f7f\u7528\u76f4\u6d41\u7535\u8fd0\u884c\u7684\u7cfb\u7edf\u3002\u4e0e\u4ea4\u6d41\u7535\u7cfb\u7edf\u4e0d\u540c\uff0c\u6b64\u7c7b\u7cfb\u7edf\u5177\u6709\u6052\u5b9a\u7535\u538b\u8f93\u51fa\u3002<\/p>\n<p>\u5b83\u4eec\u4f7f\u7528\u78c1\u548c\u70ed\u539f\u7406\u7684\u7ec4\u5408\u6765\u4fdd\u62a4\u76f4\u6d41\u7cfb\u7edf\u3002\u5982\u679c\u7535\u6d41\u8d85\u8fc7\u989d\u5b9a\u503c\uff0c\u65ad\u8def\u5668\u5c06\u4f7f\u7528\u70ed\u4fdd\u62a4\u8df3\u95f8\u3002<\/p>\n<p>\u5b83\u65e8\u5728\u6682\u65f6\u963b\u6b62\u7535\u8def\u4e2d\u53d1\u751f\u7684\u4efb\u4f55\u7535\u6d41\u6545\u969c\u3002\u5b83\u8fd8\u53ef\u4ee5\u5feb\u901f\u7184\u706d\u7531\u8fc7\u7535\u538b\u5f15\u8d77\u7684\u4efb\u4f55\u7535\u5f27\u3002<\/p>\n<p>\u65ad\u8def\u5668\u70ed\u4fdd\u62a4\u662f\u9488\u5bf9\u7cfb\u7edf\u4e2d\u4efb\u4f55\u8fc7\u8f7d\u7535\u6d41\u7684\u6545\u969c\u5b89\u5168\u88c5\u7f6e\u3002\u5728\u5904\u7406\u5f3a\u6545\u969c\u7535\u6d41\u65f6\uff0c\u5feb\u901f<a href=\"https:\/\/electrical-engineering-portal.com\/how-circuit-breaker-trip-unit-works\">\u00a0\u78c1\u4fdd\u62a4\u4f7f\u65ad\u8def\u5668\u8df3\u95f8<\/a>.<\/p>\n<p>\u76f4\u6d41\u7535\u8def\u4e2d\u6d41\u8fc7\u6052\u5b9a\u7535\u6d41\u610f\u5473\u7740\u89e6\u70b9\u5fc5\u987b\u5b8c\u5168\u6253\u5f00\uff0c\u8d85\u51fa\u5176\u6781\u9650\u3002\u8fd9\u662f\u4e3a\u4e86\u786e\u4fdd\u5b8c\u5168\u5207\u65ad\u8fc7\u91cf\u7535\u6d41\u7684\u6d41\u52a8\u3002<\/p>\n<p>\u8fd9\u610f\u5473\u7740\u65ad\u8def\u5668\u53ef\u4fdd\u62a4\u76f4\u6d41\u7cfb\u7edf\u514d\u53d7\u4efb\u4f55\u6545\u969c\u6216\u77ed\u8def\u7684\u5f71\u54cd\u3002\u6b64\u7c7b\u77ed\u8def\u5f80\u5f80\u6bd4\u8fc7\u8f7d\u66f4\u4e25\u91cd\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Types_of_DC_Circuit_Breakers\"><\/span>\u76f4\u6d41\u65ad\u8def\u5668\u7684\u7c7b\u578b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"DC_Arc_Suppression_Circuit_Breakers\"><\/span>\u76f4\u6d41\u6d88\u5f27\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8bf4\u5230\u706d\u5f27\uff0c\u76f4\u6d41\u7535\u5f27\u662f\u6700\u96be\u7684\u3002\u6211\u4eec\u8fde\u7eed\u4f9b\u5e94\u76f4\u6d41\u7535\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u5728\u975e\u5e38\u5bbd\u7684\u95f4\u9699\u4e0a\u975e\u5e38\u7a33\u5b9a\u3002<\/p>\n<p>\u4e3a\u4e86\u51cf\u5c11\u7535\u5f27\u6548\u5e94\uff0c\u6211\u4eec\u5fc5\u987b\u786e\u4fdd\u5f00\u5173\u673a\u6784\u80fd\u591f\u5feb\u901f\u5206\u79bb\u89e6\u70b9\u3002\u8fd9\u6837\u53ef\u4ee5\u5f62\u6210\u4e00\u4e2a\u6c14\u9699\uff0c\u6253\u5f00\u65f6\u7535\u5f27\u5c31\u4f1a\u7184\u706d\u3002<\/p>\n<p>\u65ad\u8def\u5668\u4e0a\u7684\u89e6\u70b9\u9700\u8981\u5177\u6709\u6781\u5feb\u7684\u8fd0\u52a8\u901f\u5ea6\uff0c\u4ee5\u907f\u514d\u5728\u6253\u5f00\u65f6\u9047\u5230\u7684\u76f8\u540c\u95ee\u9898\u3002\u5236\u9020\u5546\u59cb\u7ec8\u4f1a\u5728\u65ad\u8def\u5668\u4e0a\u6807\u660e\u76f4\u6d41\u989d\u5b9a\u503c\u3002<\/p>\n<figure id=\"attachment_45277\" aria-describedby=\"caption-attachment-45277\" style=\"width: 578px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45277\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-4-Arc-suppersion-circuit-breaker.jpg\" alt=\"\u6d88\u5f27\u65ad\u8def\u5668\" width=\"578\" height=\"415\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-4-Arc-suppersion-circuit-breaker.jpg 578w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-4-Arc-suppersion-circuit-breaker-150x108.jpg 150w\" sizes=\"auto, (max-width: 578px) 100vw, 578px\" \/><figcaption id=\"caption-attachment-45277\" class=\"wp-caption-text\">\u6d88\u5f27\u65ad\u8def\u5668<\/figcaption><\/figure>\n<p>\u6b64\u65ad\u8def\u5668\u53d1\u751f\u4efb\u4f55\u77ed\u8def\uff0c\u5de5\u4f5c\u7535\u6d41\u90fd\u4f1a\u589e\u5927\uff0c\u53d8\u6210\u77ed\u8def\u7535\u6d41\u3002\u8fd9\u4e00\u5207\u90fd\u53d6\u51b3\u4e8e\u77ed\u8def\u56de\u8def\u7684\u7535\u611f\u548c\u7535\u963b\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"High-Speed_DC_Circuit_Breaker\"><\/span>\u9ad8\u901f\u76f4\u6d41\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u8be5\u65ad\u8def\u5668\u4e3b\u8981\u5e94\u7528\u4e8e\u7275\u5f15\u53d8\u7535\u7ad9\u548c\u7275\u5f15\u673a\u7ec4\uff0c\u7528\u4e8e\u5728\u7535\u6d41\u8fbe\u5230\u6700\u5927\u989d\u5b9a\u503c\u4e4b\u524d\u5207\u65ad\u7535\u6d41\u3002<\/p>\n<p>\u5f53\u53d1\u751f\u77ed\u8def\u65f6\uff0c\u8d85\u8fc7\u989d\u5b9a\u503c\u7684\u7535\u6d41\u6c34\u5e73\u4f1a\u89e6\u53d1\u65ad\u8def\u5668\uff0c\u4ece\u800c\u9650\u5236\u7535\u6d41\u5e76\u6700\u7ec8\u5207\u65ad\u3002<\/p>\n<figure id=\"attachment_45278\" aria-describedby=\"caption-attachment-45278\" style=\"width: 622px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45278\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-5-High-speed-DC-circuit-breaker.jpg\" alt=\"\u9ad8\u901f\u76f4\u6d41\u65ad\u8def\u5668\" width=\"622\" height=\"427\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-5-High-speed-DC-circuit-breaker.jpg 622w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-5-High-speed-DC-circuit-breaker-150x103.jpg 150w\" sizes=\"auto, (max-width: 622px) 100vw, 622px\" \/><figcaption id=\"caption-attachment-45278\" class=\"wp-caption-text\">\u9ad8\u901f\u76f4\u6d41\u65ad\u8def\u5668<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"DC_Solid_State_Circuit_Breaker\"><\/span>\u76f4\u6d41\u56fa\u6001\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8be5\u65ad\u8def\u5668\u662f\u673a\u7535\u65ad\u8def\u5668\u7684\u5148\u8fdb\u66ff\u4ee3\u54c1\u3002\u5b83\u7528\u7528\u4e8e\u7535\u529b\u63a7\u5236\u7684\u534a\u5bfc\u4f53\u4ee3\u66ff\u79fb\u52a8\u90e8\u4ef6\uff0c\u5177\u6709\u5feb\u901f\u7535\u6d41\u4e2d\u65ad\u529f\u80fd\u3002<\/p>\n<p>\u51ed\u501f\u5148\u8fdb\u7684\u8f6f\u4ef6\u6280\u672f\uff0c\u5b83\u4eec\u53ef\u4ee5\u5728\u6781\u5feb\u7684\u4e2d\u65ad\u540e\u6570\u79d2\u5185\u6e05\u9664\u6545\u969c\u3002\u5b83\u4eec\u4e3b\u8981\u7528\u4e8e\u5e26\u6709\u50a8\u80fd\u7cfb\u7edf\u7684\u7535\u7f51\uff0c\u4ee5\u51cf\u5c11\u56e0\u6545\u969c\u800c\u5bfc\u81f4\u7684\u505c\u673a\u5f71\u54cd\u3002<\/p>\n<figure id=\"attachment_45279\" aria-describedby=\"caption-attachment-45279\" style=\"width: 578px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45279\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-6-DC-solid-state-circuit-breaker.jpg\" alt=\"\u76f4\u6d41\u56fa\u6001\u65ad\u8def\u5668\" width=\"578\" height=\"423\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-6-DC-solid-state-circuit-breaker.jpg 578w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-6-DC-solid-state-circuit-breaker-150x110.jpg 150w\" sizes=\"auto, (max-width: 578px) 100vw, 578px\" \/><figcaption id=\"caption-attachment-45279\" class=\"wp-caption-text\">\u76f4\u6d41\u56fa\u6001\u65ad\u8def\u5668<\/figcaption><\/figure>\n<p>\u4e2d\u65ad\u671f\u95f4\u4e0d\u4f1a\u53d1\u751f\u7535\u5f27\u95ea\u5149\u3002\u8fd9\u662f\u56e0\u4e3a\u6ca1\u6709\u91ca\u653e\u4efb\u4f55\u80fd\u91cf\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"High_Voltage_DC_Circuit_Breaker\"><\/span>\u9ad8\u538b\u76f4\u6d41\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>HVDC\u65ad\u8def\u5668\u7684\u552f\u4e00\u7528\u9014\u662f\u4fdd\u62a4\u9ad8\u538b\u76f4\u6d41\u7535\u8def\u4e2d\u7684\u6545\u969c\u7535\u6d41\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u76f4\u6d41\u7535\u8def\u4e2d\u7684\u7535\u6d41\u548c\u7535\u538b\u6c38\u8fdc\u4e0d\u4f1a\u4e3a\u96f6\u3002<\/p>\n<p>\u8fd9\u610f\u5473\u7740\u5728\u89e6\u70b9\u5206\u79bb\u671f\u95f4\uff0c\u89e6\u70b9\u4e4b\u95f4\u7684\u7535\u6d41\u548c\u7535\u538b\u901a\u5e38\u975e\u5e38\u9ad8\u3002\u89e6\u70b9\u6700\u7ec8\u4f1a\u56e0\u7535\u5f27\u800c\u8fc7\u70ed\u5e76\u635f\u574f\u65ad\u8def\u5668\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u5f15\u5165\u4e86\u4e00\u4e2a\u4e0e\u8be5\u65ad\u8def\u5668\u5e76\u8054\u7684\u5c0f\u7535\u6d41\u7535\u8def\u3002\u4e3a\u4e86\u65ad\u5f00\u7535\u8def\uff0c\u5b83\u5c06\u5728\u7535\u8def\u4e2d\u4ea7\u751f\u4e00\u4e2a\u4eba\u5de5\u96f6\u7535\u6d41\u3002<\/p>\n<figure id=\"attachment_45280\" aria-describedby=\"caption-attachment-45280\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45280\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-7-High-voltage-DC-Circuit-breaker.jpg\" alt=\"\u9ad8\u538b\u76f4\u6d41\u65ad\u8def\u5668\" width=\"650\" height=\"450\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-7-High-voltage-DC-Circuit-breaker.jpg 650w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-7-High-voltage-DC-Circuit-breaker-150x104.jpg 150w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-45280\" class=\"wp-caption-text\">\u9ad8\u538b\u76f4\u6d41\u65ad\u8def\u5668<\/figcaption><\/figure>\n<p>\u7531\u4e8e\u6211\u4eec\u77e5\u9053\u7535\u6d41\u548c\u7535\u538b\u6c34\u5e73\u4e0e\u7535\u5f27\u5f3a\u5ea6\u6210\u6b63\u6bd4\uff0c\u56e0\u6b64\u6211\u4eec\u4f7f\u7528\u5916\u90e8\u7535\u8def\u3002\u8fd9\u5c06\u5728\u5c06\u6545\u969c\u7535\u6d41\u964d\u81f3\u96f6\u540e\u7acb\u5373\u65ad\u5f00\u7535\u8def\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Magnetic_DC_Circuit_Breaker\"><\/span>\u78c1\u5f0f\u76f4\u6d41\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8fd9\u662f\u4e00\u79cd\u8fc7\u6d41\u4fdd\u62a4\u88c5\u7f6e\u3002\u5176\u8bbe\u8ba1\u65b9\u5f0f\u662f\u5229\u7528\u5185\u90e8\u7684\u5fae\u578b\u78c1\u94c1\u6765\u95ed\u5408\u548c\u6253\u5f00\u89e6\u70b9\u3002<\/p>\n<p>\u5b83\u7531\u4e00\u4e2a\u5c01\u95ed\u7684\u7ebf\u5708\u7ec4\u6210\uff0c\u7ebf\u5708\u73af\u7ed5\u7740\u4e00\u4e2a\u94c1\u5236\u7684\u67f1\u585e\u3002\u67f1\u585e\u4e0a\u8fd8\u56fa\u5b9a\u6709\u89e6\u70b9\u3002<\/p>\n<p>\u5f53\u7535\u6d41\u8fdb\u5165\u7ebf\u5708\u65f6\uff0c\u89e6\u70b9\u4f1a\u88ab\u62c9\u5411\u7ebf\u5708\u3002\u87ba\u7ebf\u7ba1\u89e6\u70b9\u5c31\u662f\u901a\u8fc7\u8fd9\u79cd\u673a\u5236\u95ed\u5408\u548c\u6253\u5f00\u7684\u3002<\/p>\n<figure id=\"attachment_45281\" aria-describedby=\"caption-attachment-45281\" style=\"width: 616px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45281\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-8-magnetic-DC-circuit-breaker.jpg\" alt=\"\u78c1\u5f0f\u76f4\u6d41\u65ad\u8def\u5668\" width=\"616\" height=\"424\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-8-magnetic-DC-circuit-breaker.jpg 616w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-8-magnetic-DC-circuit-breaker-150x103.jpg 150w\" sizes=\"auto, (max-width: 616px) 100vw, 616px\" \/><figcaption id=\"caption-attachment-45281\" class=\"wp-caption-text\">\u78c1\u529b\u76f4\u6d41\u65ad\u8def\u5668<\/figcaption><\/figure>\n<p>\u5f53\u8d85\u8fc7\u989d\u5b9a\u7535\u6d41\u503c\u65f6\uff0c\u8df3\u95f8\u6746\u4f1a\u53d7\u5230\u975e\u5e38\u5f3a\u7684\u78c1\u5438\u5f15\u529b\u89e6\u53d1\u3002\u8fd9\u5c06\u65ad\u5f00\u7535\u8def\uff0c\u5728\u6d88\u9664\u8fc7\u8f7d\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u91cd\u7f6e\u8df3\u95f8\u6746\u624b\u67c4\u6765\u95ed\u5408\u7535\u8def\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Thermal_DC_Circuit_Breaker\"><\/span>\u70ed\u5f0f\u76f4\u6d41\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5b83\u4f7f\u7528\u4e00\u4e2a\u95e9\u9501\u673a\u5236\uff0c\u5176\u4e2d\u5305\u542b\u4e0e\u4e4b\u76f8\u8fde\u7684\u53cc\u91d1\u5c5e\u7247\u3002\u53cc\u91d1\u5c5e\u7247\u901a\u8fc7\u5176\u4e24\u4e2a\u4e0d\u540c\u7684\u91d1\u5c5e\u5143\u4ef6\u4ee5\u4e0d\u540c\u7684\u901f\u7387\u81a8\u80c0\u6765\u5bf9\u70ed\u4f5c\u51fa\u53cd\u5e94\u3002<\/p>\n<p>\u5f53\u53cc\u91d1\u5c5e\u7247\u5f2f\u66f2\u79bb\u5f00\u89e6\u70b9\u65f6\uff0c\u7535\u8def\u65ad\u5f00\u3002\u5176\u76f4\u63a5\u52a0\u70ed\u6765\u81ea\u7535\u8def\u7535\u6d41\uff0c\u95f4\u63a5\u52a0\u70ed\u6765\u81ea\u9ad8\u7535\u8def\u7535\u6d41\u5f15\u8d77\u7684\u6e29\u5ea6\u5347\u9ad8\u3002<\/p>\n<p>\u8981\u4f7f\u7528\u6309\u94ae\u91cd\u7f6e\u65ad\u8def\u5668\uff0c\u5fc5\u987b\u8ba9\u53cc\u91d1\u5c5e\u7247\u51b7\u5374\u4e0b\u6765\u3002\u8fd9\u5728\u6b63\u5e38\u5ba4\u6e29\u4e0b\u4f1a\u53d1\u751f\u3002<\/p>\n<figure id=\"attachment_45282\" aria-describedby=\"caption-attachment-45282\" style=\"width: 616px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45282\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-9-thermal-dc-circuit-braker.jpg\" alt=\"\u70ed\u76f4\u6d41\u65ad\u8def\u5668\" width=\"616\" height=\"424\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-9-thermal-dc-circuit-braker.jpg 616w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-9-thermal-dc-circuit-braker-150x103.jpg 150w\" sizes=\"auto, (max-width: 616px) 100vw, 616px\" \/><figcaption id=\"caption-attachment-45282\" class=\"wp-caption-text\">\u70ed\u76f4\u6d41\u65ad\u8def\u5668<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Thermal-Magnetic_DC_Circuit_Breaker\"><\/span>\u70ed\u78c1\u76f4\u6d41\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8be5\u65ad\u8def\u5668\u91c7\u7528\u4e24\u79cd\u673a\u5236\u3002\u8fc7\u8f7d\u4fdd\u62a4\u901a\u8fc7\u70ed\u8131\u6263\u5b9e\u73b0\uff0c\u800c\u78c1\u8131\u6263\u53ef\u9632\u6b62\u77ed\u8def\u3002<\/p>\n<p>\u6211\u4eec\u4e5f\u53ef\u4ee5\u5c06\u8fd9\u79cd\u65ad\u8def\u5668\u79f0\u4e3a\u53cd\u65f6\u9650\u65ad\u8def\u5668\u3002\u987e\u540d\u601d\u4e49\uff0c\u8fc7\u8f7d\u8d8a\u5927\uff0c\u65ad\u8def\u5668\u7684\u5206\u95f8\u65f6\u95f4\u8d8a\u77ed\u3002<\/p>\n<p>\u8fc7\u8f7d\u65f6\uff0c\u8fc7\u91cf\u7535\u6d41\u4f1a\u4ea7\u751f\u70ed\u91cf\u3002\u53cc\u91d1\u5c5e\u5143\u4ef6\u4f1a\u68c0\u6d4b\u51fa\u8fd9\u4e00\u60c5\u51b5\uff0c\u5f53\u8d85\u8fc7\u5176\u989d\u5b9a\u503c\u65f6\uff0c\u65ad\u8def\u5668\u5c31\u4f1a\u8df3\u95f8\u3002<\/p>\n<p>\u5982\u679c\u53d1\u751f\u77ed\u8def\uff0c\u7535\u78c1\u4f20\u611f\u5668\u4f1a\u68c0\u6d4b\u5230\u6545\u969c\u7535\u6d41\u3002\u7136\u540e\u5b83\u4f1a\u65ad\u5f00\u7535\u8def\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hybrid_DC_Circuit_Breaker\"><\/span>\u6df7\u5408\u76f4\u6d41\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8fd9\u662f\u4e00\u4e2a\u76f4\u6d41\u65ad\u8def\u5668\uff0c\u6709\u4e09\u4e2a\u72ec\u7acb\u7684\u652f\u8def\uff0c\u5e76\u8054\u914d\u7f6e\u4ee5\u6267\u884c\u4e0d\u540c\u7684\u65ad\u8def\u5668\u4efb\u52a1\u3002\u7b2c\u4e00\u4e2a\u652f\u8def\u6709\u4e00\u4e2a\u7528\u4e8e\u4f20\u8f93\u989d\u5b9a\u7535\u6d41\u7684\u673a\u68b0\u5f00\u5173\u3002<\/p>\n<p>\u5b83\u8fd8\u5177\u6709\u7531\u91d1\u5c5e\u5236\u6210\u7684\u89e6\u70b9\uff0c\u901a\u8fc7\u4f20\u5bfc\u635f\u8017\u8d77\u5230\u673a\u68b0\u65ad\u8def\u5668\u7684\u4f5c\u7528\u3002\u7b2c\u4e8c\u4e2a\u5206\u652f\u4f7f\u7528\u534a\u5bfc\u4f53\u8fdb\u884c\u9ad8\u6548\u7684\u5f00\u5173\u64cd\u4f5c\u3002<\/p>\n<p>\u7b2c\u4e09\u652f\u8def\u7684\u552f\u4e00\u76ee\u7684\u662f\u6291\u5236\u77ac\u6001\u7535\u538b\u3002\u5b83\u7531 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Varistor\">\u91d1\u5c5e\u6c27\u5316\u7269\u538b\u654f\u7535\u963b<\/a> \uff08MOV\uff09\u5e76\u4e14\u5b83\u4eec\u8fd8\u5438\u6536\u7cfb\u7edf\u7684\u78c1\u80fd\u3002<\/p>\n<figure id=\"attachment_45283\" aria-describedby=\"caption-attachment-45283\" style=\"width: 620px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45283\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-10-Hybrid-DC-circuit-breaker.jpg\" alt=\"\u6df7\u5408\u76f4\u6d41\u65ad\u8def\u5668\" width=\"620\" height=\"423\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-10-Hybrid-DC-circuit-breaker.jpg 620w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-10-Hybrid-DC-circuit-breaker-150x102.jpg 150w\" sizes=\"auto, (max-width: 620px) 100vw, 620px\" \/><figcaption id=\"caption-attachment-45283\" class=\"wp-caption-text\">\u6df7\u5408\u76f4\u6d41\u65ad\u8def\u5668<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Number_of_Poles\"><\/span>\u6781\u6570<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"2_Pole_DC_Circuit_Breaker\"><\/span>2 \u6781\u76f4\u6d41\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u5b83\u5305\u542b\u4e24\u4e2a\u6781\u70b9\uff0c\u53ef\u4fdd\u62a4\u7535\u8def\u514d\u53d7\u77ed\u8def\u5f71\u54cd\uff0c\u5e76\u5177\u6709\u9694\u79bb\u8d1f\u8f7d\u7684\u80fd\u529b\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u50a8\u80fd\uff0c\u901a\u5e38\u4f4d\u4e8e\u9006\u53d8\u5668\u548c\u7535\u6c60\u4e4b\u95f4\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"4_Pole_DC_Circuit_Breaker\"><\/span>4 \u6781\u76f4\u6d41\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u5b83\u4eec\u91c7\u7528\u72ec\u7279\u8bbe\u8ba1\uff0c\u4e00\u4e2a\u4e2d\u6027\u6781\uff0c\u800c\u5176\u4ed6\u6781\u63d0\u4f9b\u7535\u8def\u4fdd\u62a4\u3002\u5f53\u5b83\u68c0\u6d4b\u5230\u4e0d\u9002\u5f53\u7684\u7535\u6d41\u65f6\uff0c\u5b83\u4f1a\u7acb\u5373\u8df3\u95f8\u5e76\u65ad\u5f00\u6240\u6709\u6781\u3002<\/p>\n<p>\u5b83\u5bf9\u6781\u6027\u4e0d\u654f\u611f\uff0c\u9002\u7528\u4e8e\u4e09\u76f8\u548c\u56db\u76f8\u914d\u7ebf\u3002\u5b83\u5728\u4f7f\u7528\u9700\u8981\u4fdd\u62a4\u7684\u7535\u6c14\u8bbe\u5907\u7684\u5730\u65b9\uff08\u5982\u533b\u9662\uff09\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DC_Mini_Circuit_BreakerDC_Miniature_Circuit_Breaker\"><\/span>\u76f4\u6d41\u5fae\u578b\u65ad\u8def\u5668\/\u76f4\u6d41\u5fae\u578b\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DC\u7684\u8bbe\u8ba1 <a href=\"https:\/\/www.electronicsforu.com\/technology-trends\/learn-electronics\/miniature-circuit-board-mcb\">\u5c0f\u578b\u65ad\u8def\u5668<\/a> \u662f\u4f7f\u7528\u76f4\u6d41\u7535\u7684\u4e13\u7528\u65ad\u8def\u5668\u3002\u5b83\u4fdd\u62a4\u7535\u6c14\u8bbe\u5907\u514d\u53d7\u77ed\u8def\u548c\u8fc7\u7535\u6d41\u7684\u5f71\u54cd\u3002<\/p>\n<p>\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5176\u64cd\u4f5c\u548c\u529f\u80fd\u4e0e\u4ea4\u6d41\u5fae\u578b\u65ad\u8def\u5668\u7c7b\u4f3c\u3002\u4f46\u662f\uff0c\u5e94\u7528\u9886\u57df\u4e0d\u540c\u3002<\/p>\n<p>\u76f4\u6d41\u5c0f\u578b\u65ad\u8def\u5668\u4e3b\u8981\u5e94\u7528\u4e8e\u592a\u9633\u80fd\u5149\u4f0f (PV) \u7b49\u76f4\u6d41\u7cfb\u7edf\u3002\u65ad\u8def\u5668\u7684\u5de5\u4f5c\u7535\u538b\u8303\u56f4\u4e3a 12-500V\u3002<\/p>\n<p>\u65ad\u8def\u5668\u4e0a\u6807\u6709\u6b63\u6781\u548c\u8d1f\u6781\u7b26\u53f7\u3002\u6b64\u5916\uff0c\u4e0a\u9762\u8fd8\u6807\u6709\u7535\u6d41\u65b9\u5411\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DC_Molded_Case_Circuit_Breakers\"><\/span>\u76f4\u6d41\u5851\u58f3\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u6211\u4eec\u4e3b\u8981\u4f7f\u7528 DC <a href=\"https:\/\/electrical-engineering-portal.com\/download-center\/books-and-guides\/electrical-engineering\/basics-of-molded-case-circuit-breakers-mccbs\">\u5851\u58f3\u65ad\u8def\u5668<\/a> \u5728\u9700\u8981\u50a8\u5b58\u80fd\u91cf\u7684\u5e94\u7528\u4e2d\u3002\u5b83\u4eec\u4e5f\u662f\u5de5\u4e1a\u76f4\u6d41\u7535\u8def\u7684\u6700\u4f73\u9009\u62e9\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DC_Air_Circuit_Breaker\"><\/span>\u76f4\u6d41\u7a7a\u6c14\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e0e\u5176\u4ed6\u65ad\u8def\u5668\u4e00\u6837\uff0c\u5b83\u53ef\u9632\u6b62\u7535\u6c14\u8bbe\u5907\u8fc7\u6d41\u548c\u77ed\u8def\u3002\u4fdd\u62a4\u673a\u5236\u4e3b\u8981\u662f\u5229\u7528\u6c14\u6d41\u6765\u9650\u5236\u7535\u5f27\u7684\u5f71\u54cd\u3002<\/p>\n<p>\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u548c\u666e\u901a\u65ad\u8def\u5668\u4e0d\u4e00\u6837\u3002\u5f88\u5947\u602a\uff0c\u4f46\u770b\u770b\u8fd9\u4e2a\uff0c\u5b83\u5728\u4e2d\u65ad\u7535\u5f27\u65f6\u4f1a\u4ea7\u751f\u7535\u5f27\u7535\u538b\uff0c\u800c\u4e0d\u662f\u63d0\u4f9b\u7535\u6e90\u7535\u538b\u3002<\/p>\n<p>\u7535\u5f27\u7535\u538b\u662f\u7ef4\u6301\u7535\u5f27\u6240\u9700\u7684\u6700\u5c0f\u7535\u538b\u3002\u589e\u52a0\u7535\u538b\u7684\u65b9\u6cd5\u4e4b\u4e00\u662f\u5c06\u7535\u5f27\u5206\u6210\u591a\u4e2a\u7cfb\u5217\u3002<\/p>\n<p>\u5b83\u8fd8\u53ef\u4ee5\u5ef6\u957f\u7535\u5f27\u8def\u5f84\uff0c\u4ece\u800c\u589e\u52a0\u5176\u7535\u963b\u3002\u8fd9\u5c06\u9700\u8981\u5728\u6574\u4e2a\u8def\u5f84\u4e0a\u589e\u52a0\u989d\u5916\u7684\u7535\u5f27\u7535\u538b\uff0c\u56e0\u6b64\u7535\u538b\u4e5f\u4f1a\u589e\u52a0\u3002<\/p>\n<p>\u65ad\u8def\u5668\u6709\u4e24\u5bf9\u89e6\u5934\uff0c\u4e3b\u89e6\u5934\u4e3a\u94dc\u89e6\u5934\uff0c\u8f7d\u6d41\uff1b\u53e6\u4e00\u5bf9\u89e6\u5934\u7531\u78b3\u5236\u6210\u3002<\/p>\n<p>\u65ad\u8def\u5668\u5206\u95f8\u540e\uff0c\u4e3b\u89e6\u5934\u9996\u5148\u5206\u95f8\uff0c\u7535\u5f27\u89e6\u5934\u4fdd\u6301\u5b8c\u597d\uff0c\u89e6\u5934\u5206\u79bb\u540e\uff0c\u7535\u5f27\u7acb\u5373\u5f00\u59cb\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Parts_of_Circuit_Breaker_for_Direct_Current\"><\/span>\u76f4\u6d41\u65ad\u8def\u5668\u96f6\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5404\u79cd\u7c7b\u578b\u65ad\u8def\u5668\u7684\u7ec4\u6210\u90e8\u5206\u57fa\u672c\u76f8\u540c\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u8be6\u7ec6\u5730\u770b\u4e00\u4e0b\uff1a<\/p>\n<p><strong>\u6846\u67b6 <\/strong>\u2013 \u901a\u5e38\u975e\u5e38\u575a\u56fa\u548c\u521a\u6027\u3002\u5176\u4e3b\u8981\u76ee\u7684\u662f\u4fdd\u62a4\u5185\u90e8\u7ec4\u4ef6\u514d\u53d7\u6781\u7aef\u73af\u5883\u7684\u5f71\u54cd\u3002\u5b83\u8fd8\u63d0\u4f9b\u7edd\u7f18\u3002<\/p>\n<p><strong>\u62e8\u52a8\u5f00\u5173\/\u624b\u67c4<\/strong> \u2013 \u901a\u5e38\u7528\u4e8e\u5173\u95ed\u6216\u6253\u5f00\u76f4\u6d41\u65ad\u8def\u5668\u3002\u5bf9\u4e8e\u8f83\u5927\u7684\u65ad\u8def\u5668\uff0c\u64cd\u4f5c\u5458\u53ef\u4ee5\u4f7f\u7528\u4e24\u6b65\u6d41\u7a0b\u8fdb\u884c\u4fdd\u62a4\u3002<\/p>\n<p><strong>\u8054\u7cfb\u65b9\u5f0f<\/strong> \u2013 \u4e00\u65e6\u8fde\u63a5\uff0c\u5b83\u4eec\u8d1f\u8d23\u7535\u6d41\u7684\u6d41\u52a8\u3002\u5728\u4f4e\u538b\u65ad\u8def\u5668\u4e2d\uff0c\u89e6\u70b9\u4f4d\u4e8e\u5bb9\u7eb3\u7535\u5f27\u4e2d\u65ad\u7684\u8154\u5ba4\u4e2d\u3002<\/p>\n<p><strong>\u706d\u5f27\u88c5\u7f6e<\/strong> \u2013 \u5f53\u65ad\u8def\u5668\u56e0\u6545\u969c\u8df3\u95f8\u65f6\uff0c\u5b83\u4f1a\u7184\u706d\u4ea7\u751f\u7684\u7535\u5f27\u3002\u7531\u4e8e\u6211\u4eec\u65e0\u6cd5\u963b\u6b62\u7535\u5f27\u7684\u4ea7\u751f\uff0c\u65ad\u8def\u5668\u6240\u80fd\u505a\u7684\u6700\u597d\u7684\u5c31\u662f\u63a7\u5236\u5b83\u4eec\u3002<\/p>\n<p><strong>\u8df3\u95f8\u5355\u5143<\/strong> \u2013 \u77ed\u8def\u6216\u8fc7\u8f7d\u65f6\u95f4\u8f83\u957f\u65f6\uff0c\u64cd\u4f5c\u673a\u6784\u7531\u8131\u6263\u5668\u6253\u5f00\u3002\u5b83\u4eec\u53ef\u4ee5\u662f\u7535\u5b50\u7684\uff0c\u4e5f\u53ef\u4ee5\u662f\u673a\u7535\u64cd\u4f5c\u7684\u3002<\/p>\n<figure id=\"attachment_45284\" aria-describedby=\"caption-attachment-45284\" style=\"width: 618px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-45284\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-11-DC-circuit-breaker-parts.jpg\" alt=\" \u76f4\u6d41\u65ad\u8def\u5668\u96f6\u4ef6\" width=\"618\" height=\"429\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-11-DC-circuit-breaker-parts.jpg 618w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2024\/02\/figure-11-DC-circuit-breaker-parts-150x104.jpg 150w\" sizes=\"auto, (max-width: 618px) 100vw, 618px\" \/><figcaption id=\"caption-attachment-45284\" class=\"wp-caption-text\">\u76f4\u6d41\u65ad\u8def\u5668\u96f6\u4ef6<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"DC_Circuit_Breaker_Working_Principle\"><\/span>\u76f4\u6d41\u65ad\u8def\u5668\u5de5\u4f5c\u539f\u7406<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"\u65ad\u8def\u5668\u57fa\u7840\u77e5\u8bc6\u2014\u2014\u5b83\u4eec\u5982\u4f55\u5de5\u4f5c\uff1f\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/VGj32euYZ2c?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>\u76f4\u6d41\u65ad\u8def\u5668\u7684\u4e3b\u8981\u529f\u80fd\u662f\u4fdd\u62a4\u7535\u8def\u514d\u53d7\u6545\u969c\u7535\u6d41\u6216\u8fc7\u7535\u6d41\u7684\u5f71\u54cd\u3002\u5b83\u4f7f\u7528\u70ed\u4fdd\u62a4\u6216\u78c1\u4fdd\u62a4\u673a\u5236\u6765\u5b9e\u73b0\u6b64\u76ee\u7684\u3002<\/p>\n<p>\u5f53\u51fa\u73b0\u8fc7\u7535\u6d41\u65f6\uff0c\u76f4\u6d41\u65ad\u8def\u5668\u4f1a\u56e0\u70ed\u4fdd\u62a4\u800c\u8df3\u95f8\u3002\u8fd9\u610f\u5473\u7740\u7535\u6d41\u8d85\u51fa\u4e86\u65ad\u8def\u5668\u7684\u989d\u5b9a\u503c\u3002<\/p>\n<p>\u5b83\u5177\u6709\u7531\u4e24\u79cd\u4e0d\u540c\u91d1\u5c5e\u5236\u6210\u7684\u53cc\u91d1\u5c5e\u7247\uff0c\u5f53\u53d7\u70ed\u65f6\uff0c\u5b83\u4eec\u4f1a\u81a8\u80c0\u3002\u81a8\u80c0\u5dee\u5f02\u4f7f\u53cc\u91d1\u5c5e\u7247\u5f2f\u66f2\u5e76\u65ad\u5f00\u4e0e\u63a5\u89e6\u5668\u7684\u63a5\u89e6\u3002<\/p>\n<p>\u70ed\u4fdd\u62a4\u673a\u5236\u4ec5\u5bf9\u8fc7\u8f7d\u7535\u6d41\u8d77\u4f5c\u7528\u3002\u8fd9\u610f\u5473\u7740\u5b83\u8d85\u8fc7\u4e86\u5e38\u89c4\u5de5\u4f5c\u7535\u6d41\u3002<\/p>\n<p>\u5f53\u7535\u8def\u4e2d\u51fa\u73b0\u8f83\u5927\u7684\u6545\u969c\u7535\u6d41\u65f6\uff0c\u91c7\u7528\u78c1\u4fdd\u62a4\uff0c\u4f7f\u76f4\u6d41\u65ad\u8def\u5668\u8df3\u95f8\uff0c\u52a8\u4f5c\u8fc5\u901f\u3001\u5373\u65f6\u3002<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u624b\u67c4\u6216\u62e8\u52a8\u5f00\u5173\u91cd\u65b0\u6253\u5f00\u65ad\u8def\u5668\u3002\u5e94\u5728\u7ea0\u6b63\u8fc7\u8f7d\u6216\u77ed\u8def\u540e\u8fdb\u884c\u6b64\u64cd\u4f5c\u3002<\/p>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"\u5c0f\u578b\u65ad\u8def\u5668\u5982\u4f55\u5de5\u4f5c\uff1f\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Unh99Qn7CmI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<h2><span class=\"ez-toc-section\" id=\"DC_Circuit_Breaker_Rating\"><\/span>\u76f4\u6d41\u65ad\u8def\u5668\u989d\u5b9a\u503c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5f53\u60a8\u60f3\u8981\u786e\u5b9a\u5408\u9002\u7684\u76f4\u6d41\u7535\u8def\u65f6\uff0c\u60a8\u5fc5\u987b\u8003\u8651\u7535\u6c14\u7cfb\u7edf\u7684\u603b\u7535\u538b\u989d\u5b9a\u503c\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u4ece\u6240\u6709\u7aef\u53e3\u4e2d\u53d6\u6700\u9ad8\u9002\u7528\u503c\u6765\u8ba1\u7b97\u6b64\u7c7b\u989d\u5b9a\u503c\u3002<\/p>\n<p>\u8ba1\u7b97\u7535\u538b\u65f6\uff0c\u60a8\u8fd8\u9700\u8981\u8003\u8651\u5982\u4f55\u6574\u5408\u65ad\u8def\u5668\u548c\u7535\u538b\u5206\u914d\u3002\u65ad\u8def\u5668\u7684\u989d\u5b9a\u7535\u538b\u5e94\u8db3\u4ee5\u6ee1\u8db3\u6240\u6709\u6700\u7ec8\u5e94\u7528\u9700\u6c42\u3002<\/p>\n<p>\u65ad\u8def\u5668\u7684\u5b89\u57f9\u6570\u5728\u989d\u5b9a\u503c\u4e2d\u4e5f\u975e\u5e38\u91cd\u8981\u3002\u6839\u636e\u8d1f\u8f7d\u8981\u6c42\uff0c\u65ad\u8def\u5668\u5fc5\u987b\u5728 100% \u4e0b\u8fd0\u884c\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u9009\u62e9\u8d1f\u8f7d\u7535\u6d41\u4e3a 120% \u7684\u65ad\u8def\u5668\u53ef\u4ee5\u5b9e\u73b0\u6700\u5927\u8fd0\u884c\u3002\u8fd9\u5c06\u6709\u52a9\u4e8e\u7f13\u51b2\u7535\u529b\u7cfb\u7edf\u6563\u53d1\u7684\u70ed\u91cf\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"DC_Circuit_Breaker_Sizing\"><\/span>\u76f4\u6d41\u65ad\u8def\u5668\u5c3a\u5bf8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u786e\u5b9a\u76f4\u6d41\u65ad\u8def\u5668\u7684\u5c3a\u5bf8\u53ef\u80fd\u662f\u4e00\u9879\u975e\u5e38\u8270\u5de8\u7684\u4efb\u52a1\u3002\u7136\u800c\uff0c\u8fd9\u7edd\u4e0d\u662f\u4e00\u9879\u4e0d\u53ef\u80fd\u5b8c\u6210\u7684\u4efb\u52a1\u3002<\/p>\n<p>\u6211\u4eec\u5b8c\u5168\u6e05\u695a\uff0c\u65ad\u8def\u5668\u5c3a\u5bf8\u5fc5\u987b\u8db3\u591f\u5927\u624d\u80fd\u5bb9\u7eb3\u6240\u9700\u7684\u8d1f\u8f7d\u7535\u6d41\u3002\u65ad\u8def\u5668\u5c3a\u5bf8\u8fc7\u5c0f\u610f\u5473\u7740\u5b58\u5728\u5f15\u53d1\u7535\u6c14\u706b\u707e\u7684\u98ce\u9669\u3002<\/p>\n<p>\u4e0d\u7528\u62c5\u5fc3\u3002\u9075\u5faa\u51e0\u6761\u89c4\u5219\uff0c\u60a8\u5c31\u53ef\u4ee5\u8f7b\u677e\u786e\u5b9a\u76f4\u6d41\u65ad\u8def\u5668\u7684\u5c3a\u5bf8\u3002<\/p>\n<p>\u5b83\u4eec\u662f\uff1a<\/p>\n<h4><span class=\"ez-toc-section\" id=\"80_Breaker_Rule\"><\/span>80% \u7834\u574f\u8005\u89c4\u5219<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u89c4\u5219\u57fa\u672c\u4e0a\u89c4\u5b9a\uff0c\u60a8\u53ea\u80fd\u62e5\u6709\u989d\u5b9a\u7535\u6d41\u7684 80%\u3002\u6211\u4eec\u4ee5 40A \u65ad\u8def\u5668\u4e3a\u4f8b\u3002<\/p>\n<p>\u5141\u8bb8\u7684\u6700\u5b89\u5168\u6700\u5927\u7535\u6d41\u4e3a 32A\u3002\u6b64\u5b89\u5168\u63aa\u65bd\u53ef\u9632\u6b62\u65ad\u8def\u5668\u70e7\u6bc1\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Calculating_Amps_from_Wattage\"><\/span>\u6839\u636e\u74e6\u6570\u8ba1\u7b97\u5b89\u57f9\u6570<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u60a8\u4f7f\u7528\u7684\u6240\u6709\u7535\u5b50\u8bbe\u5907\u90fd\u6807\u6709\u989d\u5b9a\u529f\u7387\u3002\u6211\u4eec\u4ee5 2000W \u70e4\u9762\u5305\u673a\u4e3a\u4f8b\u3002<\/p>\n<p>\u7531\u4e8e\u65ad\u8def\u5668\u5c3a\u5bf8\u5b8c\u5168\u53d6\u51b3\u4e8e\u5b89\u57f9\uff0c\u56e0\u6b64\u60a8\u9700\u8981\u5c06\u74e6\u6570\u8f6c\u6362\u4e3a\u5b89\u57f9\u3002\u5047\u8bbe\u60a8\u7684\u7535\u6e90\u4e3a 240V\uff0c\u7535\u6d41\u4e3a 2000W\/240v\uff0c\u8f93\u51fa 8.33A\u3002<\/p>\n<p>\u5982\u679c\u60a8\u80fd\u9075\u5b88\u8fd9\u4e24\u6761\u89c4\u5219\uff0c\u90a3\u4e48\u8ba1\u7b97\u65ad\u8def\u5668\u5c3a\u5bf8\u5c31\u8f7b\u800c\u6613\u4e3e\u4e86\u3002\u73b0\u5728\u901a\u8fc7\u793a\u4f8b\u6765\u8ba1\u7b97\u65ad\u8def\u5668\u5c3a\u5bf8\u3002<\/p>\n<p>\u4ee5 2000W \u7684\u70e4\u9762\u5305\u673a\u4e3a\u4f8b\uff0c\u5176\u7535\u6d41\u4e3a 8.33A\u3002\u6839\u636e 80% \u65ad\u8def\u5668\u89c4\u5219\uff0c\u6211\u4eec\u5f97\u5230 8.33A\u3002<\/p>\n<p>\u4e3a\u4e86\u8ba1\u7b97\u51fa\u65ad\u8def\u5668\u7684\u5c3a\u5bf8\uff0c\u6211\u4eec\u53d6 1.25 \u500d\u6570\uff0c\u7136\u540e\u4e58\u4ee5\u6240\u6d88\u8017\u7684\u5b89\u57f9\u6570\u3002\u8fd9\u6837\uff0c\u65ad\u8def\u5668\u7684\u6700\u5c0f\u5c3a\u5bf8\u4e3a 8.33A \u00d7 1.25 = 10.42 \u5b89\u57f9\u3002<\/p>\n<p>\u7531\u4e8e\u65ad\u8def\u5668\u8f7d\u6d41\u91cf\u81f3\u5c11\u5e94\u4e3a 10.42\uff0c\u56e0\u6b64\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528 15 \u5b89\u57f9\u7684\u65ad\u8def\u5668\u3002\u603b\u4e4b\uff0c\u6211\u4eec\u9700\u8981\u4e3a 240V \u4f9b\u7535\u7684 2000W \u70e4\u9762\u5305\u673a\u914d\u5907 15A \u65ad\u8def\u5668\u3002<\/p>\n<p>\u8fd9\u5c31\u662f\u6211\u4eec\u624b\u52a8\u8ba1\u7b97\u65ad\u8def\u5668\u5c3a\u5bf8\u7684\u65b9\u6cd5\u3002\u4e0d\u8fc7\uff0c\u73b0\u5728\u6709\u66f4\u5feb\u901f\u3001\u66f4\u7b80\u5355\u7684\u73b0\u4ee3\u52a8\u6001\u8ba1\u7b97\u5668\u3002<\/p>\n<p>\u5982\u679c\u6700\u7ec8\u9700\u8981\u66f4\u5927\u7684\u5b89\u57f9\u6570\uff0c\u5219\u53ef\u4ee5\u5e76\u8054\u51e0\u4e2a 30 \u6216 50A \u65ad\u8def\u5668\u3002\u8fd9\u5c06\u51b3\u5b9a\u603b\u65ad\u8def\u5668\u7684\u8f7d\u6d41\u91cf\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Thermal_Magnetic_Tripping_in_Circuit_Breaker_for_DC\"><\/span>\u76f4\u6d41\u65ad\u8def\u5668\u70ed\u78c1\u8131\u6263<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5f53\u7535\u8def\u4e2d\u7684\u7535\u6d41\u8d85\u8fc7\u989d\u5b9a\u503c\u65f6\uff0c\u65ad\u8def\u5668\u4f1a\u56e0\u70ed\u4fdd\u62a4\u800c\u8df3\u95f8\u3002\u70ed\u65ad\u8def\u5668\u5177\u6709\u53cc\u91d1\u5c5e\u7247\uff0c\u5176\u4e2d\u6709\u4e24\u79cd\u91d1\u5c5e\u81a8\u80c0\u4e0d\u540c\u3002<\/p>\n<p>\u8fc7\u91cf\u7535\u6d41\u4ea7\u751f\u7684\u70ed\u91cf\u4f7f\u53cc\u91d1\u5c5e\u7247\u5f2f\u66f2\u5e76\u65ad\u5f00\u4e0e\u63a5\u89e6\u5668\u7684\u63a5\u89e6\u3002\u8fd9\u6837\u5c31\u901a\u8fc7\u5207\u65ad\u7535\u6d41\u6765\u65ad\u5f00\u7535\u8def\u3002<\/p>\n<p>\u7531\u4e8e\u7535\u6d41\u4ea7\u751f\u7684\u70ed\u91cf\u5bf9\u4e8e\u53cc\u91d1\u5c5e\u7247\u6765\u8bf4\u592a\u5927\uff0c\u6240\u4ee5\u8df3\u95f8\u5f88\u5feb\u3002\u8fd9\u662f\u65ad\u8def\u5668\u5bf9\u8d85\u8fc7\u5de5\u4f5c\u7535\u6d41\u7684\u8fc7\u8f7d\u7535\u6d41\u7684\u4fdd\u62a4\u673a\u5236\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"DC_MCB_Circuit_Breaker_vs_Molded_Case_Circuit_Breaker_MCCB\"><\/span>\u76f4\u6d41 MCB \u65ad\u8def\u5668\u4e0e\u5851\u58f3\u65ad\u8def\u5668 (MCCB)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u8fd9\u4e9b\u7f29\u5199\u53ef\u80fd\u975e\u5e38\u76f8\u4f3c\uff0c\u4f46\u4e0d\u8981\u88ab\u8bef\u5bfc\u3002\u8ba9\u6211\u4eec\u770b\u770b\u5b83\u4eec\u7684\u4e00\u4e9b\u533a\u522b\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u7684\u5e94\u7528\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5b83\u4eec\u7684\u5bb9\u91cf\u662f\u4e3b\u8981\u533a\u522b\u3002MCB \u7684\u989d\u5b9a\u7535\u6d41\u5c0f\u4e8e 100A\uff0c\u5176\u65ad\u8def\u989d\u5b9a\u503c\u4e0d\u8d85\u8fc7 1800A\u3002<\/p>\n<p>\u800c\u4e14\u6211\u4eec\u5927\u591a\u5c06\u5b83\u4eec\u5e94\u7528\u4e8e\u4f4e\u538b\u7535\u8def\uff0c\u8fd9\u4f7f\u5f97\u6211\u4eec\u65e0\u6cd5\u8c03\u6574\u5b83\u4eec\u7684\u8df3\u95f8\u7279\u6027\u3002<\/p>\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u8c03\u6574 MMCB \u7684\u8df3\u95f8\u7279\u6027\u3002\u7531\u4e8e\u6211\u4eec\u4e3b\u8981\u5728\u9ad8\u7535\u8def\u5e94\u7528\u4e2d\u4f7f\u7528\u5b83\u4eec\uff0c\u56e0\u6b64\u5b83\u4eec\u7684\u7535\u6d41\u8303\u56f4\u7ea6\u4e3a 10-2500A\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5e94\u7528\u3002<\/p>\n<p>\u5b83\u4eec\u7684\u65ad\u8def\u7535\u6d41\u8303\u56f4\u76f8\u5f53\u60ca\u4eba\uff0c\u8fbe\u5230 10000-200000A\u3002\u5b83\u4eec\u53ef\u8f7b\u677e\u54cd\u5e94\u7535\u673a\u64cd\u4f5c\u7684\u8fdc\u7a0b\u547d\u4ee4\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"DC_Vs_AC_Circuit_Breaker\"><\/span>\u76f4\u6d41\u65ad\u8def\u5668\u4e0e\u4ea4\u6d41\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u76f4\u6d41\u7535\u548c\u4ea4\u6d41\u7535\u7684\u5de5\u4f5c\u539f\u7406\u76f8\u540c\uff0c\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\u7535\u6d41\u3002\u5b83\u4eec\u90fd\u4f7f\u7528\u78c1\u4fdd\u62a4\u548c\u70ed\u4fdd\u62a4\u6280\u672f\uff0c\u4f46\u5206\u522b\u9488\u5bf9\u76f4\u6d41\u7535\u548c\u4ea4\u6d41\u7535\u3002<\/p>\n<p>\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u4ea4\u6d41\u65ad\u8def\u5668\u7684\u706d\u5f27\u70b9\u8f83\u4f4e\uff0c\u8fd9\u662f\u56e0\u4e3a\u76f4\u6d41\u65ad\u8def\u5668\u7684\u8fde\u7eed\u7535\u538b\u786e\u4fdd\u4e86\u96be\u4ee5\u4e2d\u65ad\u7684\u6052\u5b9a\u7535\u5f27\u3002<\/p>\n<p>\u540e\u679c\uff1f\u6211\u4eec\u5728\u76f4\u6d41\u65ad\u8def\u5668\u4e2d\u91c7\u7528\u4e86\u989d\u5916\u7684\u706d\u5f27\u63aa\u65bd\u3002\u7535\u5f27\u88ab\u5ef6\u957f\u5e76\u6d88\u6563\uff0c\u4f7f\u5f97\u4e2d\u65ad\u53d8\u5f97\u66f4\u5bb9\u6613\u3002<\/p>\n<p>\u76f8\u53cd\uff0c\u4ea4\u6d41\u65ad\u8def\u5668\u5f88\u5bb9\u6613\u53d1\u751f\u7535\u5f27\u4e2d\u65ad\u3002\u632f\u5e45\u632f\u52a8\u786e\u4fdd\u6bcf\u4e2a\u5468\u671f\u90fd\u5f52\u96f6\uff0c\u4ece\u800c\u5f88\u5bb9\u6613\u53d1\u751f\u4e2d\u65ad\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Applications_of_Circuit_Breaker_in_DC_Systems\"><\/span>\u65ad\u8def\u5668\u5728\u76f4\u6d41\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"\u6162\u52a8\u4f5c\u89c2\u770b\u65ad\u8def\u5668\u7684\u5de5\u4f5c\u539f\u7406 - \u626d\u66f2\u7684\u611f\u77e5 - 4K\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/wGFnooeA6Iw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Circuit_Breaker_for_DC_Power_Transmission\"><\/span>\u00b7 \u76f4\u6d41\u8f93\u7535\u7528\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u9ad8\u538b\u76f4\u6d41\u65ad\u8def\u5668\u53ef\u5728\u957f\u8ddd\u79bb\u7535\u529b\u4f20\u8f93\u65f6\u63d0\u4f9b\u4fdd\u62a4\u3002\u8f6c\u6362\u4ea4\u6d41\/\u76f4\u6d41\u6216\u76f4\u6d41\/\u4ea4\u6d41\u65f6\u6240\u9700\u7684\u7aef\u5b50\u6210\u672c\u5f88\u9ad8\uff0c\u800c\u4e14\u5fc5\u987b\u52a0\u4ee5\u4fdd\u62a4\u3002\u6545\u969c\u7535\u6d41\u53ef\u80fd\u4f1a\u635f\u574f\u4efb\u4f55\u8fde\u63a5\u7684\u8bbe\u5907\uff0c\u56e0\u6b64\u65ad\u8def\u5668\u5fc5\u4e0d\u53ef\u5c11\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_DC_Motor_Circuit_Breaker\"><\/span>\u00b7 \u76f4\u6d41\u7535\u52a8\u673a\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u65ad\u8def\u5668\u53ef\u4fdd\u62a4\u5404\u79cd\u7528\u9014\u7684\u76f4\u6d41\u7535\u52a8\u673a\u3002\u5927\u591a\u6570\u7535\u52a8\u673a\u90fd\u662f\u81ea\u52a8\u5316\u7684\uff0c\u54cd\u5e94\u65f6\u95f4\u5feb\uff0c\u63a7\u5236\u7535\u8def\u91c7\u7528\u76f4\u6d41\u3002\u6240\u6709\u8fd9\u4e9b\u90fd\u9700\u8981\u76f4\u6d41\u65ad\u8def\u5668\u8fdb\u884c\u4fdd\u62a4\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_DC_Solar_Circuit_Breaker\"><\/span>\u00b7 \u76f4\u6d41\u592a\u9633\u80fd\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u592a\u9633\u80fd\u7535\u6c60\u677f\u901a\u5e38\u7531\u591a\u4e2a\u4e32\u8054\u7535\u8def\u7ec4\u6210\u3002\u6240\u6709\u7535\u8def\u90fd\u5fc5\u987b\u6709\u76f4\u6d41\u65ad\u8def\u5668\u4fdd\u62a4\uff0c\u56e0\u4e3a\u5b83\u4eec\u5728\u6574\u4e2a\u7535\u8def\u4e2d\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Choose_Circuit_Breaker_for_DC\"><\/span>\u5982\u4f55\u9009\u62e9\u76f4\u6d41\u65ad\u8def\u5668<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u60a8\u4f1a\u53d1\u73b0\u5e02\u573a\u4e0a\u6709\u5404\u79cd\u76f4\u6d41\u65ad\u8def\u5668\u3002\u6709\u4e86\u8fd9\u4e9b\u9009\u9879\uff0c\u60a8\u53ef\u4ee5\u66f4\u8f7b\u677e\u5730\u505a\u51fa\u9009\u62e9\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5728\u9009\u62e9\u6700\u5408\u9002\u7684\u65b9\u6848\u4e4b\u524d\uff0c\u8bf7\u5148\u95ee\u81ea\u5df1\u4ee5\u4e0b\u4e00\u4e9b\u95ee\u9898\uff1a<\/p>\n<ol>\n<li>\u60a8\u60f3\u8981\u7684\u8bbe\u5907\u7684\u5f53\u524d\u989d\u5b9a\u503c\u662f\u591a\u5c11\uff1f<\/li>\n<li>\u60a8\u7684\u65ad\u8def\u5668\u9700\u8981\u591a\u5c11\u4e2a\u6781\u70b9\uff1f<\/li>\n<\/ol>\n<ul>\n<li>\u60a8\u7684\u8bbe\u5907\u7684\u7535\u538b\u8981\u6c42\u662f\u591a\u5c11\uff1f<\/li>\n<\/ul>\n<ol>\n<li>\u4f60\u7684\u7535\u8def\u603b\u7535\u6d41\u662f\u591a\u5c11\uff1f<\/li>\n<li>\u4f60\u4eec\u7684\u975e\u5178\u578b\u8fd0\u8425\u72b6\u51b5\u662f\u600e\u6837\u7684\uff1f<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Can_AC_Circuit_Breakers_be_used_in_DC_Systems\"><\/span>\u00b7 \u4ea4\u6d41\u65ad\u8def\u5668\u53ef\u4ee5\u7528\u4e8e\u76f4\u6d41\u7cfb\u7edf\u5417\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5f53\u6211\u4eec\u8003\u8651\u4ea4\u6d41\u548c\u76f4\u6d41\u7cfb\u7edf\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u51fa\u4e24\u8005\u7684\u52a0\u70ed\u6548\u679c\u76f8\u540c\u3002\u7136\u800c\uff0c\u76f8\u540c\u7684 RMS \u503c\uff0c\u4ecd\u7136\u5305\u542b\u4e0d\u540c\u7684\u53c2\u6570\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u4ee5\u4ea4\u6d41\u7535\u548c\u7535\u538b\u4e3a\u4f8b\u3002\u5b83\u4eec\u5bf9\u7535\u8def\u7684\u5f71\u54cd\u4e0e\u5177\u6709\u76f8\u540c\u7535\u538b\u7684\u76f4\u6d41\u7535\u6e90\u4e0d\u540c\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5728\u8fd9\u79cd\u7535\u8def\u4e2d\u4f7f\u7528\u4ea4\u6d41\u65ad\u8def\u5668\u662f\u4e0d\u5207\u5b9e\u9645\u7684\u3002\u540c\u6837\u7684\u539f\u7406\u4e5f\u9002\u7528\u4e8e\u5728\u4ea4\u6d41\u7535\u8def\u4e2d\u4f7f\u7528\u76f4\u6d41\u65ad\u8def\u5668\u3002<\/p>\n<p>\u73b0\u5728\u8ba9\u6211\u4eec\u6df1\u5165\u63a2\u8ba8\u4e00\u4e0b\u8fd9\u91cc\u7684\u4e8b\u5b9e\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u8003\u8651\u5230\u76f8\u540c\u7684\u7535\u538b\u4f9b\u5e94\uff0c\u4ea4\u6d41\u7cfb\u7edf\u901a\u5e38\u9700\u8981\u6bd4\u76f4\u6d41\u7cfb\u7edf\u66f4\u597d\u7684\u7edd\u7f18\u3002<\/p>\n<p>\u8fd9\u610f\u5473\u7740 - \u5728\u8bc4\u4f30\u7edd\u7f18\u6750\u6599\u65f6\u4f1a\u6709\u4e0d\u540c\u7684\u53cd\u5e94\uff0c\u5c24\u5176\u662f\u5728\u66b4\u9732\u4e8e\u989d\u5b9a\u7535\u538b\u548c\u53cd\u5411\u7535\u538b\u65f6\u3002<\/p>\n<p>\u76f4\u6d41\u65ad\u8def\u5668\u5177\u6709\u6052\u5b9a\u7684\u7535\u6d41\u503c\uff0c\u6ca1\u6709\u9891\u7387\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u65b9\u5411\u4e0d\u53d7\u7535\u6d41\u6216\u7535\u538b\u7684\u5f71\u54cd\u3002\u540e\u679c\uff1f\u5f53\u5728\u4ea4\u6d41\u7535\u8def\u4e2d\u4f7f\u7528\u76f4\u6d41\u65ad\u8def\u5668\u65f6\uff0c\u65ad\u8def\u5668\u89e6\u70b9\u4f1a\u7194\u5316\u5f97\u66f4\u5feb\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%C2%B7_Arcing_In_DC_Breakers_Vs_in_AC_Breakers\"><\/span>\u00b7 \u76f4\u6d41\u65ad\u8def\u5668\u4e0e\u4ea4\u6d41\u65ad\u8def\u5668\u7684\u7535\u5f27<span 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