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A Slip-Ring (Wound Rotor) Induction Motor is preferred over a Squirrel Cage motor when the application requires:

AMaximum speed exceeding synchronous speed
BMaintenance-free operation
CZero speed regulation
DHigh starting torque with low starting current

Explanation

External resistance inserted into the rotor circuit via slip rings increases starting torque while limiting starting current.

Submitted by: mcqstutor Team More Electrical Engineering MCQs →

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