Physics, asked by mugenzipody, 5 months ago

Q2.(b) A 12-pole, 3-phase alternator driven at a speed of 500 r.p.m. supplies power to an 8-pole, 3-phase induction motor. If the slip of the motor, at full-load is 3%, calculate the full load speed of the motor.

Answers

Answered by BaapJi001

Explanation:

By formula: ((Synchronous Speed – Rated Full Load Speed) / (Synchronous Speed)) * 100% = Slip Rating. ((1800RPM-1750RPM) / 1800RPM) * 100%= (50RPM/ 1800RPM) * 100%

...

So full loadRPMof this motor at 45 Hz will be calculated as such:

Full LoadRPM=RPM–RPMSlip.

Full LoadRPM= 1350RPM– 27.7RPM.

Full LoadRPM= 1322.3RPM

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