A 6-pole, 50 Hz wound rotor induction motor when supplied at the rated voltage and frequency with slip-rings open circuited, developed a voltage of 100 V between any two slip rings.
If the rotor is driven by an external means at 1,000 rpm opposite to the
direction of stator field, the frequency of voltage across slip rings will be
A. zero.
B. 50 Hz
C. 100 Hz
D. 200 Hz
Show Answer
Answer: C
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