3: A 200-km, 230-kV, 60-Hz three-phase line has a positive-sequence series impedance z = 0.08 +j0.48 2/km and a positive-sequence shunt admittance y =j3.33 x 10-6 S/ km. At full load, the line delivers 250 MW at 0.99 p.f. lagging and at 220 kV. Using the nominal circuit, calculate: (a) the ABCD parameters, (b) the sending-end voltage and current, and (c) the percent voltage regulation.

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Author:Robert L. Boylestad
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Q3:
A 200-km, 230-kV, 60-Hz three-phase line has a positive-sequence series impedance
z = 0.08 +j0.48 2/km and a positive-sequence shunt admittance y =j3.33 x 10-6 S/
km. At full load, the line delivers 250 MW at 0.99 p.f. lagging and at 220 kV. Using
the nominal circuit, calculate: (a) the ABCD parameters, (b) the sending-end voltage
and current, and (c) the percent voltage regulation.
Transcribed Image Text:Q3: A 200-km, 230-kV, 60-Hz three-phase line has a positive-sequence series impedance z = 0.08 +j0.48 2/km and a positive-sequence shunt admittance y =j3.33 x 10-6 S/ km. At full load, the line delivers 250 MW at 0.99 p.f. lagging and at 220 kV. Using the nominal circuit, calculate: (a) the ABCD parameters, (b) the sending-end voltage and current, and (c) the percent voltage regulation.
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