7.5HP Three Phase Motor Conversion

Author	Message
Janne Senior Member Joined: 20/06/2008 Location: Finland Posts: 121	Posted: 01:40pm 20 Jan 2009       johnj, you can get the number of poles your original winding has by looking into rater RPM's. Because where you live the grid frequyncy is 50Hz, it means that a 2 pole motor is rated at 3000rpm, 4pole at 1500rpm, 6 pole at 1000rpm, 8 pole at 750rpm etc.. the link you posted to another forum doesn't work, at least for me.Edited by Janne 2009-01-21 If at first you don't succeed, try again. My projects