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Electric Motors and Drives
book

Electric Motors and Drives

by Austin Hughes
October 2013
Beginner to intermediate content levelBeginner to intermediate
316 pages
13h 14m
English
Newnes
Content preview from Electric Motors and Drives
Operating Characteristics of Induction Motors 177
b
Figure 6.2 (a) Thyristor soft-starter, (b) typical motor current waveforms
able so that each pair conducts for a varying proportion of a
cycle. Typical current waveforms are shown in Figure 6.2(b):
they are clearly not sinusoidal but the motor will tolerate
them quite happily.
a
Synchronising
& Firing
Circuits
High
Firing Angle Delay
Low
178 Electric Motors and Drives
A wide variety of control philosophies can be found, with
the degree of complexity and sophistication being reflected in
the
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Publisher Resources

ISBN: 9781483105277