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Solution
? 方(fang)案(an)滿足IEC61000-4-5、GBT17626.5等浪涌測試(shi)(shi)標準; ? 在(zai)(zai)差(cha)(cha)模防護中(zhong),采用鉗位(wei)器件壓(ya)敏(min)電(dian)阻(zu)MOV,響(xiang)應(ying)速度(du)快,降低L與(yu)N線(xian)之(zhi)間的浪涌電(dian)壓(ya); ? 在(zai)(zai)共(gong)模防護中(zhong),采用壓(ya)敏(min)電(dian)阻(zu)MOV和(he)陶(tao)瓷氣體(ti)放電(dian)管GDT串聯(lian)到PCB地(di)或者設備外殼,阻(zu)止(zhi)壓(ya)敏(min)電(dian)阻(zu)MOV的漏(lou)電(dian)流,滿足安規要(yao)求; ? 電(dian)源方(fang)案(an)可(ke)通過1.2/50-8/20μS組合波差(cha)(cha)模、共(gong)模6.0KV浪涌測試(shi)(shi); PS:在(zai)(zai)有絕緣等級耐(nai)壓(ya)測試(shi)(shi)AC1500V要(yao)求時,陶(tao)瓷氣體(ti)放電(dian)管GDT建議(yi)選用DC3500V電(dian)壓(ya);
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