VFD PANEL - AN OVERVIEW

But, if we decrease the frequency to 30Hz, then we have to also lessen the voltage to 240V as a way to retain the V/Hz ratio. How are we intending to lessen the voltage if the sole voltage We've is 650VDC?VFD unit converts AC energy to DC using rectifier, inverts again to AC with variable frequency and voltage. This variable AC electric power is th