Answered: A three-phase, 60 Hz induction motor…

A three-phase, 60 Hz induction motor operates at a slip of 2.5% and a speed of 1170 RPM. a. What is the synchronous speed of this motor? b. How many poles does this motor have?

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

A three-phase, 60 Hz induction motor operates
at a slip of 2.5% and a speed of 1170 RPM.
a. What is the synchronous speed of this
motor?
b. How many poles does this motor have?

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