A wound rotor induction motor runs with a ___

A wound rotor induction motor runs with a slip of 0.03 when developing full-load torque.

Its rotor resistance is 0.25 Ω per phase.

If an external resistance of 0.5 Ω per phase is connected across slip rings, what is the slip for full load torque?

A. 0.03.
B. 0.06.
C. 0.09.
D. 0.1.

Show Answer

Answer: C

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