Constant Power AC motors
John Horgan

Europe

#1 Feb 2, 2013
Hi All

Can anyone give me the formula to calculate the fall off in Torque with respect to the increase in supply frequency of an AC motor when operating in the Constant power region??

Thanks in advance.
John

Saint Paul, MN

#2 Feb 13, 2013
Hmmm that's a tough one. This STP calculator might give you a step in the right direction...
http://www.groschopp.com/about-stp-calculator...

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