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 of a 3-phase line are arranged at the corners of a triangle of sides 4, 5 and 6 metres. Calculate inductance per km of the each conductor when conductors are regularly transposed. The diameter of each line conductor is 2 cm. [1·285 mH]
6. The three conductors of 3-phase overhead line are arranged in a horizontal plane with a spacing of 4 m between adjacent conductors. The diameter of each conductor is 2 cm. Determine the inductance per km per phase of the line assuming that the lines are transposed. [1·3 mH]
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THESE QUESTIONS ARE FROM THE SUBJECT POWER SYSTEM FUNDAMENTALS
AND THE CHAPTER IS DESIGNING OF OVER...
Task 1 Criteria 1.1 A 20 km single phase line has two parallel conductors separated by...
Task 1 Criteria 1.1 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 Q/km, find the loop impedance of this line at 50 Hz. 1.
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...
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...
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 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...
Q2) A 1-phase, 50 Hz, 400 KV overhead transmission lines are arranged in a horizontal plane,...
Q2) A 1-phase, 50 Hz, 400 KV overhead transmission lines are arranged in a horizontal plane, each phase is 3 - stranded bundle conductors, and the distance between strands is 100 mm each. The diameter of each conductor is 5 mm. Find the inductance and capacitance per km for each phase. 100 mm
THESE ARE THE QUESTIONS FROM THE SUBJECT POWER SYSTEM FUNDAMENTALS AND THE CHAPTER IS MECHANICAL DESIGN...
THESE ARE THE QUESTIONS FROM THE SUBJECT POWER SYSTEM FUNDAMENTALS AND THE CHAPTER IS MECHANICAL DESIGN OF TRANSMISSION LINES . THE ANSWERS ARE GIVEN WITH THE QUESTION PLEASE DO ALL THE QUESTIONS PROPERLY ..DONOT SKIP ANY STEP AND DO YOUR BEST 5. A string of 4 insulators has self-capacitance equal to 4 times the pin-to-earth capacitance. Calculate (i) the voltage distribution across various units as a percentage of total voltage across the string and (ii) string efficiency. [(i) 14·5%, 18·1%,...
Power Engineering
220KV, 50HZ, 150Km three phase transposed line is composed of three conductors per phase as shown in below figure. The bundle spacing is 30cm. the diameter of each conductor is 2cm. find the inductance per phase. capacitance per phase, the total inductive reactance per phase, the total capacitive reactance per phase, the charging current, and capacitive reactive power.Then, Analyze the following OHTL system considering that, The receiving-end line-to-line voltage is 220 kV and the current is 200A, at a power...
THESE QUESTIONS ARE FROM THE SUBJECT POWER SYSTEM FUNDAMENTALS 1. Name the important components of an...
THESE QUESTIONS ARE FROM THE SUBJECT POWER SYSTEM FUNDAMENTALS 1. Name the important components of an overhead transmission line. 2. Discuss the various conductor materials used for overhead lines. What are their relative advantages and disadvantages ? 3. Discuss the various types of line supports. 4. Why are insulators used with overhead lines ? Discuss the desirable properties of insulators. 5. Discuss the advantages and disadvantages of (i) pin-type insulators (ii) suspension type insulators. 6. Explain how the electrical breakdown...
power system A single-circuit 60-Hz high voltage power transmission line is 370 km (230 mi) long....
power system
A single-circuit 60-Hz high voltage power transmission line is 370 km (230 mi) long. The conductors are Rook with flat horizontal configuration and 7.25 ms=(23.8 ft.) conductor spacing. The load on the line is 125 MW at 100% power factor. Use attached Tables A3 to A3to determine; The sending end voltage Vs The sending end current Is The sending end power Ps The percentage voltage regulation The transmission efficiency Given that Ds for the Rook conductor is 0.0327...
Task 1 Criteria 1.1 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 Q/km, find the loop impedance of this line at 50 Hz. 1.
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...
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...
Q2) A 1-phase, 50 Hz, 400 KV overhead transmission lines are arranged in a horizontal plane, each phase is 3 - stranded bundle conductors, and the distance between strands is 100 mm each. The diameter of each conductor is 5 mm. Find the inductance and capacitance per km for each phase. 100 mm
power system
A single-circuit 60-Hz high voltage power transmission line is 370 km (230 mi) long. The conductors are Rook with flat horizontal configuration and 7.25 ms=(23.8 ft.) conductor spacing. The load on the line is 125 MW at 100% power factor. Use attached Tables A3 to A3to determine; The sending end voltage Vs The sending end current Is The sending end power Ps The percentage voltage regulation The transmission efficiency Given that Ds for the Rook conductor is 0.0327...
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