3Phase motor, is it good.

[Alan T.]

Anyone here that can tell me how to test a three phase motor to tell if it is good. I got one surplus to use with a rotary phase converter panel as the Idler motor.

It has 9 leads, two sets of three wires are connected and there are three loose wires.

Any help?

Thanks,

Alan T.

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[HuFlungDung]

Try this, Alan. Its more than I ever knew about them.

http://www.usmotors.com/Service/faq9.htm

[pack rat]

You could use a megger but ohmmeter could do. One lead to one of the wires and other to the frame should read infinity. There should be a tag that is showing the wiring setup. I t might be wired for 460 V. I have seen an article written on the very thing that you are trying to do. It was in "Fine Woodworking" magazine book.It is a collection of articles from the magazine and sold in small book form. I remember it had two articles in detail how to set up three phase from household 220 lines. I think it was in book about the machines.