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补充楼上:标准里面的100mA,200mA是对于设备的要求,并非判断测试结果的判据。& V- ^( ?1 M M+ }: M
在60065里10.3.2有规定( K! T4 T1 Q$ ^& J& ^
The test voltages shall be obtained from a suitable source so designed that, when the output TERMINALS are
- ^5 |& x$ d: q2 f4 S8 ^4 Eshort-circuited after the test voltage has been adjusted to the appropriate level, the output current is at
0 X, E: L1 j5 v* B {8 d J% Wleast 200 mA.
+ m5 a. ?& B2 h6 @7 jAn over-current device shall not trip when the output current is less than 100 mA.
6 m7 N- Z2 N( L) |( D. e" \试验电压应该由合适的电源提供,该电源的设计应保证当试验电压调节到相应的等级后,短路输出端子时,输出电流至少为200 mA.6 Z1 Z) x. s5 T
当输出电流小于100mA时,过流装置不应该打开。' i$ G$ I. D1 e; P+ P. `' [
; w2 u, L0 O& p* w所以一般来说,如果是65的规章,耐压测试机不能直接接到市电上, 必需用隔离变压器的source提供power. |
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