The frequency of the inverter fluctuates from time to time
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The frequency of the Shandong Xingfengguang JD-BP series inverters fluctuates from time to time. When no power is supplied to the motor, it doesn’t rotate; only the frequency converter cabinet is powered, and the frequency displayed on the screen also fluctuates. Does anyone know why this happens?
When the frequency conversion cabinet is powered on, the display screen fluctuates. . . . Is there any external control? If not, power on the inverter and set a fixed frequency; if the output fluctuates, then there is a problem with the inverter. Consider again whether there is any interference!