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EN61010 3.5.7中对保护阻抗定义:: J- O6 v4 N! }" t9 }
component, assembly of components or the combination of BASIC INSULATION and a current or- \# R5 |2 V5 j9 a9 s: ^
voltage-limiting device, whose impedance, construction and reliability are such that, when
2 t! G0 J }0 W5 [ k! fconnected between ACCESSIBLE conductive parts and parts which are HAZARDOUS LIVE, it/ R8 t: h; B9 Y/ E. v! |
provides protection to the extent required by this standard in NORMAL CONDITION and SINGLE
7 I4 f$ I6 v% Q. t% K" QFAULT CONDITION
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保护阻抗具体是指哪些呢?如果仅仅是防止可接触导电部件危险带电,那如果次级SELV电路不可接触,Y电容还算不算保护阻抗?I类产品的金属外壳和危险带电部件之间算the combination of BASIC INSULATION and a current or voltage-limiting device吗? |
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