An induction motor is a double-fed motor. Therefore, it does not require a commutator, slip-rings, or brushes. True False At 1170 rpm, a three-phase IM generates 4 kilowatt. It is a 6 pole, 60 Hz transformer. Friction and windage losses aren't taken into account. If the stator losses are 250 w, the stator input power will be? * 4352 4 w The gross power of a single phase induction motor absorbed by the backward and the forward fields are 30 w and 160 w respectively. the motor runs at speed of 950 rpm. the no-load frictional losses are 70 w. If the number of poles are ó and the supply frequency is 50 Hz, the shaft torque will be: 0.564 none of the mentioned O0,578 0.538 0.835 0.583

An induction motor is a double-fed motor. Therefore, it does not require a commutator, slip-rings, or brushes. True False At 1170 rpm, a three-phase IM generates 4 kilowatt. It is a 6 pole, 60 Hz transformer. Friction and windage losses aren't taken into account. If the stator losses are 250 w, the stator input power will be? * 4352 4 w The gross power of a single phase induction motor absorbed by the backward and the forward fields are 30 w and 160 w respectively. the motor runs at speed of 950 rpm. the no-load frictional losses are 70 w. If the number of poles are ó and the supply frequency is 50 Hz, the shaft torque will be: 0.564 none of the mentioned O0,578 0.538 0.835 0.583

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 2PA: You have been given the task of connecting a nine-lead three-phase dual-voltage motor to a 240-V...

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