Physics · Induction Motors

In a three-phase induction motor, the starting torque will be maximum when: (where R2 = rotor resistance and X2 = rotor standstill reactance)

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1R2X2 = 1
2R2 / X2 = 1✓
3R2 = X22
4R2 = √X2

Correct answer

R2 / X2 = 1

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In a three-phase induction motor, the starting torque will be maximum when: (where R2 = rotor resistance and X2 = rotor standstill reactance)

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In a three-phase induction motor, the starting torque will be maximum when: (where R2 = rotor resistance and X2 = rotor standstill reactance)

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