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继电器断开电压过高是什么意思?

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  • 发布时间：2013/8/17 0:27:10
  • 作者：银河电气

两个电压都可能过高：
第一是继电器控制线圈两端电压，由于线圈是感性负载，突然断开，电压会快速升高。
第二是继电器触点两端的电压，如果是感性负载，突然断开，电压会快速升高。
两者都可通过采用续流二极管加以抑制。

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