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 3 j; i. k/ K) j% f0 k- \The high-voltage source used for the test is to be capable of supplying a short circuit current 5 s' k( h! h% ^4 b9 AIs between the output terminals after the output voltage has been adjusted to the appropriate 8 j" D0 e& x$ F; M/ n( h! {test voltage. The overload release of the circuit is not to be operated by any current below the 7 a7 S/ J, u, |- r7 X' _tripping current Ir. The values of Is and Ir are given in Table 5 for various high-voltage ( w F! a/ S' u" Y0 Csources." 3 H7 w" q4 ^4 T6 L ~. OIs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 ' l B; [ t& z. ] j8 |8 L那家电里有3 f7 m: j0 ]+ K m! ?/ L$ i
The high-voltage source used for the test is to be capable of supplying a short circuit current 3 L& t) u9 v/ s/ jIs between the output terminals after the output voltage has been adjusted to the appropriate; G3 E" l* p0 l( ]+ n
test voltage. The overload release of the circuit is not to be operated by any current below the , L0 i' m8 T9 S# p8 T0 Mtripping current Ir. The values of Is and Ir are given in Table 5 for various high-voltage Y& ], h1 t* |: Y- r8 Ssources." ) d- B5 I# {$ L' l5 A+ Y0 s0 uIs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: 8 n3 E; q: _, p3 o! _" V5 j6 _http://www.angui.org/bbs/read.php?tid-33678.html
