标题: 为什么有些规定耐压测试器必须有500VA变压器？ [打印本页] 作者: jennyzou 时间: 2009-3-2 15:30 标题: 为什么有些规定耐压测试器必须有500VA变压器？ 如标题..作者: wwnw_007 时间: 2009-3-2 16:01
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!作者: 雨花石 时间: 2009-3-2 16:06
楼上的正解！ 作者: 无间 时间: 2009-4-3 11:03
原来如此！！作者: 小鸭的天空 时间: 2009-4-4 22:46
学习了！作者: peter1715 时间: 2009-4-6 11:46
那家电里有 P# ?2 m7 g+ p2 T# QThe high-voltage source used for the test is to be capable of supplying a short circuit current 9 N0 J8 }8 u9 a6 LIs between the output terminals after the output voltage has been adjusted to the appropriate0 g- R+ p5 L1 U$ Q7 C/ f
test voltage. The overload release of the circuit is not to be operated by any current below the0 K) f3 L/ g! G5 T
tripping current Ir. The values of Is and Ir are given in Table 5 for various high-voltage ( W. g' F/ ]' V2 V* Y0 rsources." / M+ E* |3 {" o' t. K$ o( FIs有要求20mA怎么解释作者: peter1715 时间: 2009-4-6 11:47
不好意思刚少写了个0, o1 V8 z i. g; o9 L8 o
那家电里有5 q) ?; ^: g1 C8 F$ z8 m* @
The high-voltage source used for the test is to be capable of supplying a short circuit current / T1 N2 m0 v% G0 X* V# \# AIs between the output terminals after the output voltage has been adjusted to the appropriate 3 P: q {- n; U6 |# g- U& s7 ]test voltage. The overload release of the circuit is not to be operated by any current below the 6 `1 b% h, ^: M# o9 i& j5 Gtripping current Ir. The values of Is and Ir are given in Table 5 for various high-voltage+ W5 ?2 w# O' e! U0 L, J+ ?
sources." ! T1 V5 m$ a* ^- a5 P" k* zIs有要求200mA怎么解释作者: 小鸭的天空 时间: 2009-4-6 12:38
参考论坛上的:) u' s6 t, G' V# R6 t* I http://www.angui.org/bbs/read.php?tid-33678.html
