A (200-mathrm{km}, 230-mathrm{kV}, 60-mathrm{Hz}), three-phase line has a positive-sequence series impedance (z=0.08+j 0.48 Omega / mathrm{km}) and
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A \(200-\mathrm{km}, 230-\mathrm{kV}, 60-\mathrm{Hz}\), three-phase line has a positive-sequence series impedance \(z=0.08+j 0.48 \Omega / \mathrm{km}\) and a positive-sequence shunt admittance \(y=j 3.33 \times 10^{-6} \mathrm{~S} / \mathrm{km}\). At full load, the line delivers \(250 \mathrm{MW}\) at 0.99 p.f. lagging and at \(220 \mathrm{kV}\). Using the nominal \(\pi\) circuit, calculate:
(a) the \(A B C D\) parameters,
(b) the sending-end voltage and current,
(c) the percent voltage regulation.
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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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