Mathematics · Induction Motors
A 3-phase, 4-pole, 400 V, 50 Hz induction motor has an equivalent rotor resistance and reactance at standstill of 0.15 Ω and 0.8 Ω per phase, respectively. The stator impedance is negligible. If the motor is fed from a 200 V, 25 Hz source, what is the ratio of the starting torque to the maximum torque?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.9250
- 20.6550✓
- 30.3540
- 40.1875
Correct answer
0.6550
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