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Show transcribed image text A 345 kV 60 Hz transposed transmission line has the following characteristics

Show transcribed image text A 345 kV, 60 Hz transposed transmission line has the following characteristics: ? 2 -954 KCM ACSR conductors per phase and 18 inch bundle spacing ? Phases have flat spacing with 25 feet separation ? The average height of the phase conductors above ground is 48 feet ? There are two OHGW of Alumoweld 7 no. 8 located 23 feet above the phase conductors and 10 feet inside the outside phase conductors. ? The conductor for the OHGW has as resistance of 1.52 ohm/lam, a gmr = 0.0636 cm, and an outside diameter = 0.978 cm. ? The line is built in dry soil ? The right-of-way width is 150 feet a) Find the positive, negative and zero sequence series impedance for the line in ohms per Ian using the method of Sections 4.7 and 8.4 of the textbook. b) Find the positive and negative shunt admittance for the line in Siemens per km. (No zero sequence) A 345 kV, 60 Hz transposed transmission line has the following characteristics: ? 2 -954 KCM ACSR conductors per phase and 18 inch bundle spacing ? Phases have flat spacing with 25 feet separation ? The average height of the phase conductors above ground is 48 feet ? There are two OHGW of Alumoweld 7 no. 8 located 23 feet above the phase conductors and 10 feet inside the outside phase conductors. ? The conductor for the OHGW has as resistance of 1.52 ohm/lam, a gmr = 0.0636 cm, and an outside diameter = 0.978 cm. ? The line is built in dry soil ? The right-of-way width is 150 feet a) Find the positive, negative and zero sequence series impedance for the line in ohms per Ian using the method of Sections 4.7 and 8.4 of the textbook. b) Find the positive and negative shunt admittance for the line in Siemens per km. (No zero sequence)

 

Jul 31 2020 View more View Less

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