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Solution
? 方案滿足IEC61000-4-5、GBT17626.5等浪涌(yong)測(ce)試標準; ? 在(zai)(zai)(zai)差(cha)模(mo)防(fang)護中(zhong)(zhong),采用(yong)鉗(qian)位器(qi)件壓(ya)(ya)敏電(dian)阻(zu)MOV,響(xiang)應速度快(kuai),降低L與N線之間的浪涌(yong)電(dian)壓(ya)(ya); ? 在(zai)(zai)(zai)共模(mo)防(fang)護中(zhong)(zhong),采用(yong)壓(ya)(ya)敏電(dian)阻(zu)MOV和陶(tao)(tao)瓷氣體(ti)放電(dian)管GDT串聯(lian)到PCB地或者設(she)備(bei)外殼(ke),阻(zu)止壓(ya)(ya)敏電(dian)阻(zu)MOV的漏電(dian)流,滿足安規要求; ? 電(dian)源方案可通過1.2/50-8/20μS組合波差(cha)模(mo)、共模(mo)6.0KV浪涌(yong)測(ce)試; PS:在(zai)(zai)(zai)有(you)絕(jue)緣等級(ji)耐壓(ya)(ya)測(ce)試AC1500V要求時,陶(tao)(tao)瓷氣體(ti)放電(dian)管GDT建議選用(yong)DC3500V電(dian)壓(ya)(ya);
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