October 2013
Beginner to intermediate
352 pages
15h 8m
English
Content preview from Electric Motors and Drives, 2nd Edition
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310 Electric Motors and Drives
position detector. This causes the behaviour of the SR motor to
resemble that of a d.c. motor, in the same way as we saw above
in the case of the rotor position controlled synchronous motor.
Power converter
An important difference between the SR motor and all other
self-synchronous motors is that its full torque capability can be
achieved without having to provide for both positive and
negative currents in the phases. This welcome simplification
arises because the direction of torque in a reluctance motor is
independent of the direction of the current, and it means that
the power converter can have fewer main
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