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The external rotor resistance is ____________

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The external rotor resistance is ____________

(a) gradually cut out as motor picks up the speed

(b) fixed for a stable point

(c) removed instantalLy as the motor is started

(d) added or reduced as per the efficiency requirement

The question was asked during an internship interview.

The question is from Determination of Equivalent Circuit Parameters in division Induction Machines of Electrical Machines

1 Answer

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Best answer
The correct answer is (a) gradually cut out as motor picks up the speed

Explanation: External resistance is gradually cut out after picking up the speed.

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