Chuck Yung
EASA Technical Support Specialist
If you have ever tried to figure out the field resistance from the information on a DC motor nameplate, you probably wonder what in the heck the manufacturer was thinking! You know Ohms Law, but the nameplate information just doesn’t seem to follow it.
Ohm’s Law: R = E/I
I = E/R
RI = E
Where R = resistance E= voltage I= current
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