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The field diverter resistance for a DC series motor is kept ________(a) High(b) Low(c) zero(d) oneI had been asked this question in a national level competition.This interesting question is from Dynamic Braking of DC Series Motors in section Braking of DC Motors & Induction Motors of Electric Drives

Answer»

Right choice is (B) Low

For explanation: The field diverter resistance for a DC SERIES motor is kept low in order to INCREASE the speed of the motor. This will REDUCE the field FLUX and increase the armature current.



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