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Electric Circuits and Networks, Ist Edition by Pearson
book

Electric Circuits and Networks, Ist Edition by Pearson

by K. S. Suresh Kumar
May 2024
Intermediate to advanced content levelIntermediate to advanced
840 pages
45h 20m
English
Pearson India
Content preview from Electric Circuits and Networks, Ist Edition by Pearson
9.4 ANALYSIS OF UNBALANCED THREE-PHASE CIRCUITS
An unbalanced three-phase circuit is one that contains at least one source or load that does
not possess three-phase symmetry. A source with the three source-function magnitudes
unequal and/or the successive phase displacements different from 120º can make a circuit
unbalanced. Similarly, a three-phase load with unequal phase impedance values can make
a circuit unbalanced.
The single-phase equivalent circuit technique of analysis does not work for
unbalanced three-phase circuits. General circuit analysis techniques like mesh analysis or
nodal analysis will have to be employed for analysing such circuits. ...
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Publisher Resources

ISBN: 9781299447028