Electrical Engineering · Induction Machines
For a slip ring induction motor, what is the specific condition regarding rotor resistance that must be met to achieve maximum torque at the moment of starting?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Rotor resistance is zero
- 2Rotor resistance is much smaller than the rotor leakage reactance
- 3Rotor resistance is equal to twice the rotor leakage reactance
- 4Rotor resistance is equal to the rotor leakage reactance✓
Correct answer
Rotor resistance is equal to the rotor leakage reactance
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