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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
Electric Motors 15
We note that the first stage of evolution (Figure
1.8(b))
results in the original single gap of length g being split into
two gaps of length g/2, reflecting the requirement for the
rotor to be able to turn. At the same time the single mag-
netizing coil is split into two to preserve symmetry. (Re-
locating the magnetizing coil at a different position around
the magnetic circuit is of course in order, just as a battery can
be placed anywhere in an electric circuit.) Finally (Figure
1.8(c)),
the single magnetic path is split into two parallel
paths of half the original cross-section, each of which carries
half of the flux, an ...
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Publisher Resources

ISBN: 9781483105277