(b) A three-phase, 50 Hz, four poles induction motor runs at a no-load speed of 1350 r/min and full-load speed is 1200 r/min. (1) Calculate the slip of the rotor at no-load and full-load conditions. Based on Q1(b)(i) results, calculate the electrical frequency of the rotor at no-load and full-load conditions. (iii) Calculate the speed regulation of this motor.

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Chapter35: Harmonics 916
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(b)
A three-phase, 50 Hz, four poles induction motor runs at a no-load speed of 1350 r/min and
full-load speed is 1200 r/min.
(1) Calculate the slip of the rotor at no-load and full-load conditions.
Based on Q1(b)(i) results, calculate the electrical frequency of the rotor at no-load
and full-load conditions.
(iii) Calculate the speed regulation of this motor.
Transcribed Image Text:(b) A three-phase, 50 Hz, four poles induction motor runs at a no-load speed of 1350 r/min and full-load speed is 1200 r/min. (1) Calculate the slip of the rotor at no-load and full-load conditions. Based on Q1(b)(i) results, calculate the electrical frequency of the rotor at no-load and full-load conditions. (iii) Calculate the speed regulation of this motor.
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