A06B-6088-H222#H500/H520

A06B-6088-H222#H500/H520

A06B-6088-H222#H500/H520 

请问变频器过电流应该如何调节？

答：变频器报过流有很多种类，有加速的时候报过电流，有恒速的时候报过电流，有减速的时候报过电流，报过电流需要去查马达的原因还是变频器的原因。假设变频器通电就报过电流，可能这个电流互感器输出引脚电压特别高，所以通电就报过电流，已经超越了变频器能修正的范围，假设变频器合闸，马上就报过电流，这里面有两个原因，一个IGBT，一个是变频器的三组电流互感器里有一组电压特别高，这就是通电的时候报过电流；还有一按运行，能走到3Hz~5Hz，再报过电流，有可能是参数设定的问题，参数设定的时候是不是输出扭矩太小，电机电流设置不准确，高频率设置不准确，电机电压设置不准确。

A06B-6088-H222#H500/H520 

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