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

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Three-Phase Transformers

Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.

Transformer

Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.

Question

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

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