Electrical Engineering · AC Drives and Motors
Why is the voltage-to-frequency (V/f) ratio maintained constant during speed control of a 3-phase induction motor?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To maintain a constant air-gap magnetic flux density✓
- 2To minimize electromagnetic noise
- 3To completely eliminate rotor slip
- 4To eliminate harmonic distortion
Correct answer
To maintain a constant air-gap magnetic flux density
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