The power input to a 500 V, 50 Hz, 6 pole, 3 phase induction motorrunning at 975 rpm is 40 KW. The stator losses are 1 KW and thefriction and windage losses total 2 KW. Calculate: (i) Slip (ii) Rotorcopper loss (iii) Shaft power and (iv) Efficiency

In this question we will find slip , rotor cu loss , shaft power and efficiency.....

The power input to a 500 V, 50 Hz, 6 pole, 3 phase induction mote running at 975 rpm is 40 KW. The stator losses are 1 KW and th friction and windage losses total 2 KW. Calculate: (i) Slip (ii) Rote copper loss (iii) Shaft power and (iv) Efficiency

The power input to a 500 V, 50 Hz, 6 pole, 3 phase induction mote running at 975 rpm is 40 KW. The stator losses are 1 KW and th friction and windage losses total 2 KW. Calculate: (i) Slip (ii) Rote copper loss (iii) Shaft power and (iv) Efficiency

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 6RQ: Name three factors that determine the torque produced by an induction motor.

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Concept explainers

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.

Question

The power input to a 500 V, 50 Hz, 6 pole, 3 phase induction motor
running at 975 rpm is 40 KW. The stator losses are 1 KW and the
friction and windage losses total 2 KW. Calculate: (i) Slip (ii) Rotor
copper loss (iii) Shaft power and (iv) Efficiency

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