Physics · Electrical Machines
In the case of a squirrel-cage induction motor controlled by a three-phase bridge inverter, which of the following statements is correct for speed control?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1If frequency increases, then starting torque remains unaffected with a constant supply voltage.
- 2If frequency increases, then starting torque increases with a constant supply voltage.
- 3If frequency increases, then starting torque decreases with a constant supply voltage.✓
- 4If frequency decreases, then starting torque decreases with a constant supply voltage.
Correct answer
If frequency increases, then starting torque decreases with a constant supply voltage.
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