5. A three-phase tranmission line is 300 Km long and serves a load of 400 MVA, 0.8 lagging power factor at 345 kV. The ABCD constants of the line are A = D= 0.8180/1.3° B = 172.2/84.2° S C = 0.001933/90.4° S (a) Determine the sending-end line-to-neutral voltage, the sending-end current and the percent voltage drop at full load. (b) Determine the receiving-end line-to-neutral voltage at no load, the sending- end current at no load and the voltage regulation.

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Answered: 5. A three-phase tranmission line is 300 Km long and serves a load of 400 MVA, 0.8 lagging power factor at 345 kV. The ABCD constants of the line are A = D=…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN: 9780133923605

Author: Robert L. Boylestad

Publisher: PEARSON

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Question

5.
A three-phase tranmission line is 300 Km long and serves a load of 400 MVA,
0.8 lagging power factor at 345 kV. The ABCD constants of the line are
(a)
(b)
A = D = 0.8180/1.3°
B =
C =
172.2/84.2°
0.001933/90.4° S
Determine the sending-end line-to-neutral voltage, the sending-end current
and the percent voltage drop at full load.
Determine the receiving-end line-to-neutral voltage at no load, the sending-
end current at no load and the voltage regulation.

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