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Task 1 Criteria 1.1 A 20 km single phase line has two parallel conductors separated by...
THESE QUESTIONS ARE FROM THE SUBJECT POWER SYSTEM FUNDAMENTALS AND THE CHAPTER IS DESIGNING OF OVER...
THESE QUESTIONS ARE FROM THE SUBJECT POWER SYSTEM FUNDAMENTALS AND THE CHAPTER IS DESIGNING OF OVER HEAD TRANSMISSION LINES KINDLY DO ALL QUESTIONS TOMMOROW IS MY FINAL PLEASE DO YOUR BEST 4. A 20 km single phase line has two parallel conductors separated by 1·5 metres. The diameter of each conductor is 0·823 cm. If the conductor has a resistance of 0·311 Ω/km, find the loop impedance of this line at 50 Hz. [19·86 Ω ] 5. The three conductors...
Q.1 (8 marks) A two-wire, single-phase, overhead line has solid cylindrical copper conductors with diameter 1.4...
Q.1 (8 marks) A two-wire, single-phase, overhead line has solid cylindrical copper conductors with diameter 1.4 cm. The conductors are arranged in a horizontal configuration with 0.8 m spacing between phases The ac frequency is 60 Hz. Calculate: Inductance of each conductor due to internal flux linkages only, expressed in [mH/km Inductance of each conductor due to internal and external flux linkages, expressed in [mH/km] The loop inductance and loop inductive reactance of the line, respectively expressed in mH/km] and...
4.1 A 60-Hz single-phase, two-wire overhead line has solid cylindrical copper conductors with 1.5 cm diameter....
4.1 A 60-Hz single-phase, two-wire overhead line has solid cylindrical copper conductors with 1.5 cm diameter. The conductors are arranged in a horizontal configuration with 0.5 m spacing. Calculate in mH/km (a) The inductance of each conductor due to internal flux linkages only; (b) The inductance of each conductor due to both internal and external flux linkages; (c) The total inductance of the line. (40 Points) F.A. (a) Lint = 0.05 mh per conductor km (b) Ly = Ly per...
A 60-Hz three-phase, three-wire overhead line has solid cylindrical conductors arranged in the form of an...
A 60-Hz three-phase, three-wire overhead line has solid cylindrical conductors arranged in the form of an equilateral triangle with 1 m conductor spacing. Conductor diameter is 1.0 cm. Calculate the line inductance in H/m per conductor and the line inductive reactance in Ω/km per conductor.
A 50 Hz, 3 phase, 3 wire overhead line has solid cylindrical conductors arranged in the...
A 50 Hz, 3 phase, 3 wire overhead line has solid cylindrical conductors arranged in the form of an equilateral triangle with 1.22 m conductor spacing. Conductor diameter is 12.7 mm. Calculate the positive sequence inductance and reactance. (1.102 mH/km, 0.346 12/km)
A three-phase, 50Hz, 50 km transmission line uses 3 conductor bundle conductors per phase. The diameter...
A three-phase, 50Hz, 50 km transmission line uses 3 conductor bundle conductors per phase. The diameter of each conductor in a bundle is 10 mm and the conductors are placed at the vertices of an equilateral triangle with a side length of 20 cm. The three phase bundles are horizontally placed with a distance between phase A and phase B as 1.2 m and phase B and phase C as 1m. The three phase lines are completely transposed. Calculate the...
Solve the line-to-line capacitance per km of a single-phase overhead transmission line having copper conductors at...
Solve the line-to-line capacitance per km of a single-phase overhead transmission line having copper conductors at a distance of 1 m apart and diameters of 1.5 cm each.
4 A three-phase, 765-kV, 50-Hz transposed line is composed of four ACSR 1,510,500, 54/19 Parrot conductors per phas...
4 A three-phase, 765-kV, 50-Hz transposed line is composed of four ACSR 1,510,500, 54/19 Parrot conductors per phase with flat horizontal spacing of 16 m. The conductors have a diameter of 3.8252 cm and a GMR of 1.5453 cm. The bundle spacing is 40 cm. The line is Km long, and for the purpose of this problem, a lossless line is assumed (a) Determine the transmission line surge impedance Zc, phase constant p, wave surge impedance loading SIL, and the...
The answer = 14.49% ; 94.47% III. A three-phase overhead transmission line, 80 km long, delivers...
The answer = 14.49% ; 94.47%
III. A three-phase overhead transmission line, 80 km long, delivers 24 MVA at 66 kV, 50 Hz, 0.8 power factor lagging. The line conductors have a diameter of 1.5 cm and are horizontally spaced at a distance of 2.5 m. Determine the voltage regulation and efficiency of the line. The line resistance is 8.72 ohm/phase.
5. (2 point) A single phase distribution line is 25 km long and is constructed of ACSR Partridge. If the two lines are separated by 1 meter, find: a) The AC resistance at 50°C using the ACSR table. b...
5. (2 point) A single phase distribution line is 25 km long and is constructed of ACSR Partridge. If the two lines are separated by 1 meter, find: a) The AC resistance at 50°C using the ACSR table. b) The inductance and inductive reactance using the ACSR table. c) The equivalent line impedance.
5. (2 point) A single phase distribution line is 25 km long and is constructed of ACSR Partridge. If the two lines are separated by 1 meter,...
Q.1 (8 marks) A two-wire, single-phase, overhead line has solid cylindrical copper conductors with diameter 1.4 cm. The conductors are arranged in a horizontal configuration with 0.8 m spacing between phases The ac frequency is 60 Hz. Calculate: Inductance of each conductor due to internal flux linkages only, expressed in [mH/km Inductance of each conductor due to internal and external flux linkages, expressed in [mH/km] The loop inductance and loop inductive reactance of the line, respectively expressed in mH/km] and...
4.1 A 60-Hz single-phase, two-wire overhead line has solid cylindrical copper conductors with 1.5 cm diameter. The conductors are arranged in a horizontal configuration with 0.5 m spacing. Calculate in mH/km (a) The inductance of each conductor due to internal flux linkages only; (b) The inductance of each conductor due to both internal and external flux linkages; (c) The total inductance of the line. (40 Points) F.A. (a) Lint = 0.05 mh per conductor km (b) Ly = Ly per...
A 50 Hz, 3 phase, 3 wire overhead line has solid cylindrical conductors arranged in the form of an equilateral triangle with 1.22 m conductor spacing. Conductor diameter is 12.7 mm. Calculate the positive sequence inductance and reactance. (1.102 mH/km, 0.346 12/km)
4 A three-phase, 765-kV, 50-Hz transposed line is composed of four ACSR 1,510,500, 54/19 Parrot conductors per phase with flat horizontal spacing of 16 m. The conductors have a diameter of 3.8252 cm and a GMR of 1.5453 cm. The bundle spacing is 40 cm. The line is Km long, and for the purpose of this problem, a lossless line is assumed (a) Determine the transmission line surge impedance Zc, phase constant p, wave surge impedance loading SIL, and the...
The answer = 14.49% ; 94.47%
III. A three-phase overhead transmission line, 80 km long, delivers 24 MVA at 66 kV, 50 Hz, 0.8 power factor lagging. The line conductors have a diameter of 1.5 cm and are horizontally spaced at a distance of 2.5 m. Determine the voltage regulation and efficiency of the line. The line resistance is 8.72 ohm/phase.
5. (2 point) A single phase distribution line is 25 km long and is constructed of ACSR Partridge. If the two lines are separated by 1 meter, find: a) The AC resistance at 50°C using the ACSR table. b) The inductance and inductive reactance using the ACSR table. c) The equivalent line impedance.
5. (2 point) A single phase distribution line is 25 km long and is constructed of ACSR Partridge. If the two lines are separated by 1 meter,...
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