Consider a load impedance of (Z=j omega L) connected to a voltage and (V) let the current
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Consider a load impedance of \(Z=j \omega L\) connected to a voltage and \(V\) let the current drawn be \(I\).
(a) Develop an expression for the reactive power \(\mathrm{Q}\) in terms of \(\omega, L\), and I, from complex power considerations.
(b) Let the instantaneous current be \(i(t)=\sqrt{2} \mathrm{I} \cos (\omega t+\theta)\). Obtain an expression for the instantaneous power \(p(t)\) into \(L\), and then express it in terms of \(\mathrm{Q}\).
(c) Comment on the average real power \(\mathrm{P}\) supplied to the inductor and the instantaneous power supplied.
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Related Book For
Power System Analysis And Design
ISBN: 9781305632134
6th Edition
Authors: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
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