A three-phase induction motor, at rated voltage and frequency, has a starting torque of 140 percent and a maximum torque of 210 percent of full-load torque. Neglect stator resistance and rotational losses and assume constant rotor resistance. Determine
a. The slip at full load.
b. The slip at maximum torque.
c. The rotor current at starting as a percentage of full-load rotor current.
Analysis:
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