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2. A 150-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 *10" S/km. At full load, the line delivers 250 MW at 0.99 p.f. lagging and at 220 kV. Using the nominal pi circuit, calculate: (a) the ABCD parameters, (b) the sending-end voltage and current, and (c) the percent voltage regulation.

2. A 150-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 *10" S/km. At full load, the line delivers 250 MW at 0.99 p.f. lagging and at 220 kV. Using the nominal pi circuit, calculate: (a) the ABCD parameters, (b) the sending-end voltage and current, and (c) the percent voltage regulation.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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2. A 150-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 *10" S/km. At full load, the line delivers 250 MW at 0.99 p.f. lagging and at 220 kV. Using the nominal pi circuit, calculate: (a) the ABCD parameters, (b) the sending-end voltage and current, and (c) the percent voltage regulation.
Transcribed Image Text:2. A 150-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 *10" S/km. At full load, the line delivers 250 MW at 0.99 p.f. lagging and at 220 kV. Using the nominal pi circuit, calculate: (a) the ABCD parameters, (b) the sending-end voltage and current, and (c) the percent voltage regulation.
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