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阿Q吧 > 在求戴维南或诺顿等效电路时,做短路试验,测的条件是什么?在本实验中可否直接做负载短路实验？

在求戴维南或诺顿等效电路时,做短路试验,测的条件是什么?在本实验中可否直接做负载短路实验？

2025-04-01 00:56:35

推荐回答（1个）

回答1：

1: 求Isc必须先知道开口电压和戴维南等效电阻。
2：可以直接测量，可以求戴维南等效电压，都可以，方便就直接测，不方便就求等效电压。求内阻一般是用等效法，电压源用短线代替，电流源用断路代替，求戴维南电阻就可以了，比较方便。

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