发布时间:2025-02-07 01:56:23
桥式整流器,原理上是用4个二极管以电桥的方式连接,利用二极管的单向导电性,把交流电转换成直流电。从电流方向上讲,桥式整流器使交流电中反向的电流转化成正向的电流,而原本的电流强度不变,从而达到交流变直流的目的,具体上图。那个电阻表示用电器。希望能帮助理解。
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