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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。 m' p# k. A. K4 Y3 G' o
在60065里10.3.2有规定0 M ?" d+ ^% _4 r$ a/ |
The test voltages shall be obtained from a suitable source so designed that, when the output TERMINALS are
5 r* e- A! [* Yshort-circuited after the test voltage has been adjusted to the appropriate level, the output current is at
i) ?2 x5 Y7 }- p) _' k: wleast 200 mA.
* Y( v3 Q: r9 ^7 V$ ~( o+ j6 ZAn over-current device shall not trip when the output current is less than 100 mA.
2 A% [; ?0 Y5 `! f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.0 E' r" F' a/ v" `! C& i# Y
当输出电流小于100mA时,过流装置不应该打开。
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7 b1 Y2 y; v/ G% J' l- n4 V% 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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