Q4/A three-phase. 60-Hz, completely transposed 345-kV, 200-km line has two 795,000-cmil 26/2 ACSR conductors per bundle and the following positive sequence line-constants: z=0.032+j0.35 Q2/km y=j4.210 S/km Full load at the receiving end of the line is 700 MW at 0.99 p.f. leading and at 95% of rated voltage. Assuming a medium-length line, determine the following: a. ABCD parameters of the nominal circuit b. Sending-end voltage VS, current IS, and real power PS c. Percent voltage regulation d. Transmission-line efficiency at full load

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Q4/A three-phase. 60-Hz, completely transposed 345-kV, 200-km line has two
795,000-cmil 26/2 ACSR conductors per bundle and the following positive sequence
line-constants:
z = 0,032 + j0.35 Ω/km
y=j4.2*10 S/km
Full load at the receiving end of the line is 700 MW at 0.99 p.f. leading and at
95% of rated voltage. Assuming a medium-length line, determine the following:
a. ABCD parameters of the nominal # circuit
b. Sending-end voltage VS. current IS, and real power PS
c. Percent voltage regulation
d. Transmission-line efficiency at full load
Transcribed Image Text:Q4/A three-phase. 60-Hz, completely transposed 345-kV, 200-km line has two 795,000-cmil 26/2 ACSR conductors per bundle and the following positive sequence line-constants: z = 0,032 + j0.35 Ω/km y=j4.2*10 S/km Full load at the receiving end of the line is 700 MW at 0.99 p.f. leading and at 95% of rated voltage. Assuming a medium-length line, determine the following: a. ABCD parameters of the nominal # circuit b. Sending-end voltage VS. current IS, and real power PS c. Percent voltage regulation d. Transmission-line efficiency at full load
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