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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
Therefore, we state the following conclusion.
The three-phase complex power delivered by a three-phase source is given by
where
θ
is the angle by which the current phasor delivered by a phase-source lags behind
its voltage phasor. This relationship is independent of whether the source is Y-connected or
Δ-connected. It should be noted that
θ
is not the angle between line voltage phasor and
line current phasor.
Electrical Power Engineering adopts a convention to specify a three-phase source
by specifying its line-to-line voltage in r.m.s value. We follow this convention unless
stated otherwise in the remaining portions of this chapter. Thus a 400 V, 50 ...
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Publisher Resources

ISBN: 9781299447028