Running single phase motor using VFD - CNCzone.com-The Largest Machinist Community on the net!

triag · #1 01-11-2010, 10:18 PM

I plan to buy 1-phase to 3-phase VFD for spindle speed control for upcoming 3-phase motor.

Before that I would like to know is it possible to get 60 Hz single phase out from that VFD. I'm living in 50 Hz world but I have one single phase motor which requires 60 Hz to run correctly. Any specific wiring for this?

Al_The_Man · #2 01-11-2010, 11:07 PM

You should be able to run the motor on 50hz if you can live with the reduction in rpm.
Al.

wdumay · #3 01-12-2010, 12:56 AM

A VFD is a Variable Frequency Drive , so the output can vary between 0 and a maximum frequency, generally 400Hz on a three phase motor,not on a one phase.

triag · #4 01-12-2010, 08:42 AM

Originally Posted by Al_The_Man

You should be able to run the motor on 50hz if you can live with the reduction in rpm.
Al.

Actually I can run the motor with 50Hz but it gets very hot. I read about this before in this forum. It is because of something I didn't exactly understand, related to magnetism.

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