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IEC60335-1 14.1 Ed4.1和Ed4.2同一段分别为:
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/ f8 b6 _6 Z7 b9 d- h2 zThe impulse test voltage has a no-load waveshape corresponding to the 1,2/50 μs standard2 j( ?& r" y u; D% `* \
impulse specified in IEC 61180-1. It is supplied from a generator having a virtual impedance( }5 Q" c) w3 e. u: ^' T
of 12 Ω. The impulse test voltage is applied three times for each polarity with intervals of at
; @4 K& i# d6 S5 rleast 1 s.( C# Z2 o/ G( P
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The impulse test voltage has a no-load waveshape corresponding to the 1,2/50 μs standard- a# G5 ~0 ?9 c+ v1 o4 ~8 v
impulse specified in IEC 61180-1. It is supplied from a generator having a conventional( a" U& F6 H/ T' Z! J
impedance not exceeding 42 Ω. The impulse test voltage is applied three times for each6 e* |: {8 K1 [( Z3 N, Q& H2 V
polarity with intervals of at least 1 s.: I8 u, M1 Y) U3 b
+ }+ |3 r! v0 p7 i* ~
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请问其中:“virtual impedance”和“conventional impedance”的翻译和定义 |
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