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Shipboard Electrical Power Systems
book

Shipboard Electrical Power Systems

by Mukund R. Patel
December 2011
Intermediate to advanced content levelIntermediate to advanced
370 pages
12h 24m
English
CRC Press
Content preview from Shipboard Electrical Power Systems
55
3
Common Aspects
ofPower Equipment
All electrical machines have two sets of coils: one set (eld coil in generator and
motor, and primary coil in transformer) produces the working magnetic ux φ and
the other set (armature coil in generator and motor, and secondary coil in trans-
former) reacts to ux φ and produces an electromotive force (voltage) in the gen-
erator and transformer, and a mechanical force (torque) in the motor. Both sets of
coils are embedded in magnetic steel to produce the required ux with a minimum
magnetizing (eld excitation) current. The electromagnetic interaction between two
sets of coils is governed by the ...
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Publisher Resources

ISBN: 9781439828175