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引用第6楼minglei于2008-10-22 20:24发表的 :
& I. m! i; ]/ S: V1 X( x$ Z! w0 qIEC60335-1与IEC61000-4-5的脉冲应该不是一样的。 % N2 ?$ f1 B+ P. t
完全是一样的,
# ~9 ?8 J i9 A+ A, g! k3 W3 cIEC 60335-1 clause 14:# [+ k7 `8 r$ R0 `
“The impulse test voltage has a no-load waveshape corresponding to the 1,2/50 μs standard% h. I+ ? @5 j& ], ^% y u
impulse specified in IEC 61180-1. It is supplied from a generator having a conventional2 m( t; u9 h i$ p' a u1 |8 [5 L
impedance not exceeding 42 . The impulse test voltage is applied three times for each
( \+ o7 D' }$ o( ~polarity with intervals of at least 1 s.”# u+ z4 p8 O( }8 R, s, m0 O
标准 waveform 来自 IEC 61180-1, 而 61180-1 的 waveform 就是与 61000-4-5 一样!. w& Q( o# s3 L4 K
只是 60335 定义输出阻抗最大 42Ω. |
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