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晶闸管导通和关断的条件是什么？

2025-04-01 01:50:14

推荐回答（1个）

回答1：

晶闸管导通条件：门极G加触发信号，主端子A、K之间加正向电压，且使得主端子间的正向电流大于擎住电流，。

关断的条件：使主端子间的正向电流小于维持电流。

晶闸管的关断方法：减小主端子A、K之间之间的正向电压，直至为零，或加反向电压；也可以利用储能电路强迫关断。

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