为什么有些规定耐压测试器必须有500VA变压器？

jennyzou

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如标题..

wwnw_007

对于测试仪器是有功率要求的。如电压与电流的积哟!100毫安电流，3750伏特电压，功率就是375瓦特啦!

雨花石

楼上的正解！

无间

原来如此！！

小鸭的天空

学习了！

peter1715

那家电里有
The high-voltage source used for the test is to be capable of supplying a short circuit current
! k3 Q& s5 y7 e2 {  [8 }9 y) ]) vIs between the output terminals after the output voltage has been adjusted to the appropriate
+ D- W3 f! A% O% p) ?test voltage. The overload release of the circuit is not to be operated by any current below the
, x; @" \7 R6 z+ ltripping current Ir. The values of Is and Ir are given in Table 5 for various high-voltage
8 B0 t% b. r$ m( p' h( |' xsources."
' M9 \6 a0 E6 p* i: H: _5 J) s5 rIs有要求20mA怎么解释

peter1715

不好意思刚少写了个0
9 F, w2 C5 O* d' p那家电里有
The high-voltage source used for the test is to be capable of supplying a short circuit current
( K" @/ g* w- Y: ^3 SIs between the output terminals after the output voltage has been adjusted to the appropriate
test voltage. The overload release of the circuit is not to be operated by any current below the
  J$ u* V0 \6 \* X5 Q( ]* Ttripping current Ir. The values of Is and Ir are given in Table 5 for various high-voltage
% a4 y/ D# A: o( w) ^3 ?; Msources."
Is有要求200mA怎么解释

小鸭的天空

参考论坛上的:
) G/ J7 }5 z2 @) T; [+ R; mhttp://www.angui.org/bbs/read.php?tid-33678.html