VFD THINGS TO KNOW BEFORE YOU BUY

The oscilloscope in the 3 period provide will see 3 sine waves for your AC electrical energy. However the oscilloscope to the load will see this rough DC electric power with some ripples in it.The IGBTs here act like switches that when speedily switched on and off, generate the heartbeat-Width Modulation (PWM) That may be a key to permitting a VFD