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A 230-kV, 100-km, 60-Hz three-phase overhead transmission line with a rated current of 900 A/phase has a series impedance z = 0.088 +j0.465 2/km and a shunt admit- tance y =j3.524 µS/km. (a) Obtain the nominal equivalent circuit in normal units and in per unit on a base of 100 MVA (three phase) and 230 kV (line-to-line). (b) De- termine the three-phase rated MVA of the line. (c) Compute the ABCD parameters. (d) Calculate the SIL.

A 230-kV, 100-km, 60-Hz three-phase overhead transmission line with a rated current of 900 A/phase has a series impedance z = 0.088 +j0.465 2/km and a shunt admit- tance y =j3.524 µS/km. (a) Obtain the nominal equivalent circuit in normal units and in per unit on a base of 100 MVA (three phase) and 230 kV (line-to-line). (b) De- termine the three-phase rated MVA of the line. (c) Compute the ABCD parameters. (d) Calculate the SIL.

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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oretical loading. 5.41 A 230-kV, 100-km, 60-Hz three-phase overhead transmission line with a rated current of 900 A/phase has a series impedance z = 0.088 + j0.465 2/km and a shunt admit- tance y =j3.524 µS/km. (a) Obtain the nominal equivalent circuit in normal units and in per unit on a base of 100 MVA (three phase) and 230 kV (line-to-line). (b) De- termine the three-phase rated MVA of the line. (c) Compute the ABCD parameters. (d) Calculate the SIL. CALL MW in to the transmitted to a substation located 500 1
Transcribed Image Text:oretical loading. 5.41 A 230-kV, 100-km, 60-Hz three-phase overhead transmission line with a rated current of 900 A/phase has a series impedance z = 0.088 + j0.465 2/km and a shunt admit- tance y =j3.524 µS/km. (a) Obtain the nominal equivalent circuit in normal units and in per unit on a base of 100 MVA (three phase) and 230 kV (line-to-line). (b) De- termine the three-phase rated MVA of the line. (c) Compute the ABCD parameters. (d) Calculate the SIL. CALL MW in to the transmitted to a substation located 500 1
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