当变频器的输入电源进线与电动机负载出线接反,变频器上电后会出现什么现象?

我们是要考试的,尽量回答具体哦!呵呵
2024-12-03 01:21:43
推荐回答(5个)
回答1:

我们的机柜被人为破坏时 ,出现过这种现象。上电后,1:频率上升到7HZ时,变频器停止输出,并显示加速中过流。2:将加速时间延长后,再次上电启动,频率上升到7HZ,停止输出,并显示加速中过电压,查母线电压598V。3:再次清除故障上电启动,频率上升7HZ,停止输出,并显示过载。卸下打开检查,1:逆变部分损坏,2:整流部分损坏,3:驱动模块损坏,4:IGBT模块烧毁。变频器报废。

回答2:

当变频器的输入电源进线与电动机负载出线接反送电会引起严重后果,变频器烧坏,短路等。反正我没试过。

回答3:

我就遇到这样的徒弟!
当然是硅控制模块短路 控制板部分元件烧毁
电源短路

回答4:

一般情况变频器烧毁

回答5:

1掉闸
2短路

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