Article today on EE&T on GM's EV motor designs

[JohnOver]

Contains some details on motor (stator) wiring http://eetweb.com/motors-drives/GM-EV-motors-12-15-11/index.html

 

[LTLFTcomposite]

They are particularly trying to design out the high-frequency "buzz" associated with motor operation. This sound comes from "stator windings jumping around the end turns," says Savagian. "It is cool for awhile but after about 100 miles of it, you would prefer to hear nothing.

+1

 

[GaslessInSeattle]

cool, it doesn't bother me, but why not make it better if there is an easy way!