Q4: a) In the experiment of performance study of three-phase wound rotor induction motor, what are the effects of adding an external rotor resistance on the following? 1. Motor Slip 2. Motor efficiency 3. Motor starting torque

Q4: a) In the experiment of performance study of three-phase wound rotor induction motor, what are the effects of adding an external rotor resistance on the following? 1. Motor Slip 2. Motor efficiency 3. Motor starting torque

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 19RQ: Why is the starting torque per A of starting current of a wound-rotor motor higher than that of a...

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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

Q4:
a) In the experiment of performance study of three-phase wound rotor induction motor, what
are the effects of adding an external rotor resistance on the following?
1. Motor Slip
2. Motor efficiency
3. Motor starting torque
4. Motor starting current
5. Input power factor
6. Magnetizing current
7. Developed torque
8. Maximum torque

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