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In a constant V/f control of induction motor, the ratio V/f is maintained constant from 0 to base frequency, where V is the voltage applied to the motor at fundamental frequency f. Which of the following statements relating to low frequency operation of the motor is TRUE?
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- At low frequency, the stator flux increases from its rated value
- At low frequency, the stator flux decreases from its rated value
- At low frequency, the motor saturates
- At low frequency, the stator flux remains unchanged at its rated value
Correct Option: B
NA
