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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。
: y( h7 _2 v) r- w$ v在60065里10.3.2有规定; b( J/ Z% i+ I; _0 N& T8 F
The test voltages shall be obtained from a suitable source so designed that, when the output TERMINALS are
" b: D* e# V" s, ]% fshort-circuited after the test voltage has been adjusted to the appropriate level, the output current is at( Y( z! u5 ]3 I8 x% M1 ~$ `) O
least 200 mA.
! [% J" m6 j3 M" m. cAn over-current device shall not trip when the output current is less than 100 mA.
* G/ F" {, w4 D7 C8 t( [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.
& Q) o1 k3 n: Y; u. s# S1 S当输出电流小于100mA时,过流装置不应该打开。' q" |0 E& q0 z
" y0 V7 O2 D& C! a5 c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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