A 4-pole induction motor supplied from 50 Hz line has a 5% slip while supplying 10 kW power to a load. What is the rotor speed, wm? What is the torque, t, produced by the motor? If the load reduces to 5 kW, what will be the new rotor sip, Snew and the new torque, new, produced by the motor? (approximately)

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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A 4-pole induction motor supplied from 50 Hz line has a 5% slip while supplying 10 kW power to a
load. What is the rotor speed, wm? What is the torque, t, produced by the motor? If the load
reduces to 5 kW, what will be the new rotor sip, Snew and the new torque, new, produced by the
motor? (approximately)
Transcribed Image Text:A 4-pole induction motor supplied from 50 Hz line has a 5% slip while supplying 10 kW power to a load. What is the rotor speed, wm? What is the torque, t, produced by the motor? If the load reduces to 5 kW, what will be the new rotor sip, Snew and the new torque, new, produced by the motor? (approximately)
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