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Solution
? 方案(an)滿(man)足IEC61000-4-5、GBT17626.5等(deng)浪涌(yong)測(ce)試(shi)標準(zhun); ? 在(zai)差模(mo)(mo)防護中,采用鉗位(wei)器(qi)件壓(ya)(ya)(ya)(ya)敏(min)(min)電阻(zu)MOV,響(xiang)應速(su)度快,降低L與(yu)N線之間的(de)浪涌(yong)電壓(ya)(ya)(ya)(ya); ? 在(zai)共模(mo)(mo)防護中,采用壓(ya)(ya)(ya)(ya)敏(min)(min)電阻(zu)MOV和陶(tao)瓷氣體放(fang)電管GDT串聯到PCB地(di)或者設備外殼,阻(zu)止壓(ya)(ya)(ya)(ya)敏(min)(min)電阻(zu)MOV的(de)漏電流,滿(man)足安規(gui)要(yao)求; ? 電源方案(an)可通過1.2/50-8/20μS組(zu)合波差模(mo)(mo)、共模(mo)(mo)6.0KV浪涌(yong)測(ce)試(shi); PS:在(zai)有絕緣等(deng)級耐壓(ya)(ya)(ya)(ya)測(ce)試(shi)AC1500V要(yao)求時(shi),陶(tao)瓷氣體放(fang)電管GDT建議選用DC3500V電壓(ya)(ya)(ya)(ya);
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