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Power Electronics and Motor Drives
book

Power Electronics and Motor Drives

by Bogdan M. Wilamowski, J. David Irwin
October 2018
Intermediate to advanced content levelIntermediate to advanced
1015 pages
40h 24m
English
CRC Press
Content preview from Power Electronics and Motor Drives
Switched-Reluctance Machines 7-11
7.4.1.4 A Control Strategy for Regulation of the Phase Current at Low Speeds
At low speeds where the induced EMF is small, a method for control of the phase current is necessary.
In the absence of such routines, the phase current will increase exponentially, possibly damaging the
semiconductor devices or motor windings. Hysteresis and PWM control strategies are commonly used
for regulating the phase current at low speeds. At higher speeds, the presence of a signicantly larger
back-EMF limits the growth of the phase current and there is no need for such regulation schemes. e
prole of the regulated current ...
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Publisher Resources

ISBN: 9781439802861