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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
reactive elements. If V V
rms
φ
v
and I I
rms
φ
i
are the voltage phasor and current phasor
at load terminals as per the passive sign convention, then the Q delivered to the load circuit
is V
rms
I
rms
sin (
φ
v
φ
i
) VAr. The other expressions are relevant when the voltage phasor and/or
current phasor across a pure reactive element is known. In this case (
φ
v
φ
i
) is assured to
be 90° if the element is an inductor and –90° if the element is a capacitor. Then, the reactive
power delivered to that element, i.e., Q is given by , where V
rms
is the rms value of the voltage across the element, I
rms
is the rms value of current through
the element and X is the reactance ...
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Publisher Resources

ISBN: 9781299447028