wound for 6 polcs and is supplicd from Q)A3 phase induction motor 50-Hz system. Calculate 1. the synchronous speed 2. the rotor speed, when slip is 2% and 3. the frequency of the rotor currents at standstill

wound for 6 polcs and is supplicd from Q)A3 phase induction motor 50-Hz system. Calculate 1. the synchronous speed 2. the rotor speed, when slip is 2% and 3. the frequency of the rotor currents at standstill

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

Single Phase Induction Motor

The single-phase induction motor or engine consists of a single rotating phase in the stator and a rotating cage in the rotor. When phase one supply is connected to the stator winding, a magnetic field is generated. In the pulsating field, the rotor does not rotate due to inertia. So, a single-phase import motor does not start and requires some initial methods.

Question

Q1)A3 phase induction motor is wound for 6 poles and is supplicd from
50-Hz system. Calculate
1. the synchronous speed
2. the rotor speed, when slip is 2% and
3. the frequency of the rotor currents at standstill

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