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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
e
j
θ
e
j
ω
t
, (ii) solve for the zero-state response for e
j
ω
t
, (iii) multiply the response by e
j
θ
(we
apply the principle of homogeneity there) and (iv) take the imaginary part. We skip all that
basic algebra and give the result below:
(10.9-11)
By substituting
θ
90°, we get the solution for v
S
(t) cos
ω
tu(t) as
(10.9-12)
Equation 10.9-11 indicates that it is possible to switch on an AC voltage to an initially
relaxed series RL circuit in such a way that there is no transient response and the circuit
immediately goes to a steady-state – the switching instant must be such that
θ
φ
. This
principle is used sometimes in switching of heavily inductive power equipment. ...
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Publisher Resources

ISBN: 9781299447028