False True The speed of d.c shunt motor is decreased if the field current is increased Wave windings are used in d.c machine designed for High voltage high current d-c generator The main disadvantage of series generators, Output voltage varies as the load varies

False True The speed of d.c shunt motor is decreased if the field current is increased Wave windings are used in d.c machine designed for High voltage high current d-c generator The main disadvantage of series generators, Output voltage varies as the load varies

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter39: Synchronous Motor Operation

Section: Chapter Questions

Problem 14SQ: Induction motors and welding transformers require magnetizing current, which causes a. lagging power...

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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

False
True
The speed of d.c shunt motor
is decreased if the field
current is increased
Wave windings are used in
d.c machine designed for
High voltage high current d-c
generator
The main disadvantage of
series generators, Output
voltage varies as the load
varies

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