如何解决干扰问题呢？对变频器干扰处理方法有常用的以下三点。
1、变频器要采用单点接地，最好是短而粗的线进行接地；
2、传感器的信号线，采用双绞屏蔽线，并将屏蔽层用电缆夹进行接地。
3、在传感器的电源上加装电源滤波器、滤波磁环，或者是隔离器等进行隔离。
对变频器产生的谐波进行抑制处理，可选的滤波产品有：变频器输入滤波器、变频器输出滤波器、变频器输入电抗器、变频器输出电抗器等。在输入电路内串入电抗器是抑制较低谐波电流的有效方法。
为防止变频器干扰信号和控制回路，需要给控制器、仪表和工控机采用单独的隔离电源进行供电
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