A voltmeter gives 120 oscillations per minute when connected to the rotor. The stator frequency is 50 Hz. The slip of the motor is: (a) 2% (b) 4% (c) 5% (d) 2.5%.
A voltmeter gives 120 oscillations per minute when connected to the rotor. The stator frequency is 50 Hz. The slip of the motor is: (a) 2% (b) 4% (c) 5% (d) 2.5%.
Chapter37: Automatic Speed Control For Wound Rotor Motors
Section: Chapter Questions
Problem 1SQ
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Transcribed Image Text:A voltmeter gives 120 oscillations per minute when connected to the rotor. The stator
frequency is 50 Hz. The slip of the motor is:
(a) 2%
(b) 4%
(c) 5%
(d) 2.5%.
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