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引用第2楼caballo3157于2010-03-24 07:02发表的 :7 S4 z5 D4 K% i
同样,对于该条款试验:2 m# s0 {, R1 z4 d, Z
Compliance is checked by the following test.
7 L9 _ o) b5 V3 m; ], z7 IThe appliance is supplied at rated voltage. Any switch is then placed in the off position and& y. @- I$ @1 z2 |
the appliance is disconnected from the supply mains at the instant of voltage peak. One' z9 b" m5 l" R! y+ K
second after disconnection, the voltage between the pins of the plug is measured with an8 u( v- U7 U0 Q+ x* K5 a
....... 个人理解是只要电容处于开关后则不需要检测。这是基于对电路原理的分析可知。但是也有机构持不同意见,因为标准没有说可以不检测,虽然此时检测的结果必然合格。我个人认为这种做法没有意义。% U! k: B" w& A: h) I. C
关于如何保证在峰值断开,估计很难,可能只能通过示波器观察,多试几次,找到比较接近的点。 |
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