A 3-phase, 60 Hz, 345 kV overhead transmission line has conductors placed in a specific manner as shown in fig below. The conductors are ACSR with radius of lem each. If the line length is (LAST TWO DIGITS of SAP ID*) km and in completely transposed formation then calculate the following parameters; a) Capacitance per phase (C) µF/km b) Capactive reactance (Xc) in ohm/phase for complete line 6m- 3.5m 3.5 m 8 m Capacitance per conductor, C i AF/km D. 18ln D,

Consider the 500 kV, three phase bundled conductor line as shown in the figure below. Find the line to neutral capacitance. 0.5 m 30 mm (0) (O to Ine 15 m 15 m

For transferring electrical power at 220 kV, six conductors of ACSR Drake constitute a 60Hz double circuit three phase line arranged as shown below. The vertical spacing between consecutive conductors is 14ft; the longer horizontal distance is 32ft whereas the shorter horizontal distance is 25ft. a. Find the inductance per phase per mile and the inductive reactance per phase in ohms per mile. b. Find the capacitive reactance to neutral in ohm-miles. c. Find the resistance per phase per mile in ohms per miles. d. If the length of the line is 90 miles then draw an equivalent circuit of the line and analyse the open circuit and short circuit performance of the line. e. Find the maximum power we can transmit over the line. f. If the line is delivering power to a load of 20MW at 0.8 power factor lagging then find the voltage at the receiving end of the line. Also, Determine the voltage regulation, losses and efficiency of the line. g. If a fixed shunt compensation of 3 MVAr is attached at…

The three conductors of a 3-phase, 3-wire line are arranged at the corners of a triangle, the sides of which are 1 m, 1.3 m and 2 m. Calculate the inductance and capacitance per km of the line, when the conductors are transposed. The conductors are 1.5 cm diameter. [B.T.E. A.P. Power Systems II, T & D, June 1994) (Ans. 1.0923 mH: 0.0107 µF]

2. A three-phase 60-hz transmission line has its conductors arranged in a triangular formation so that two of the distances between conductors are 20 ft and the third is 40 ft. The conductors are ACSR Rook. Determine the capacitance to neutral in microfarads per mile and the capacitive reactance to neutral in ohm-miles. If the line is 115 mi long, find the capacitance to neutral and capacitive reactance of the line.

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Q1: a) Discuss the effect of earth on the capacitance of a line : b) Derive in expression for the capacitance to neutral per phase per Km of a single phase overhead transmission line, taking into account the effect of earth. c) Derive in expression for the capacitance to neutral per phase per Km of a 3- phase overhead transmission line when conductors are of equilateral spacing.

Solve this math : A three-phase 60-hz transmission line has its conductors arranged in a triangular formation so that two of the distances between conductors are 20ft and the third is 40 ft. The conductors are ACSR Rook. Determine the capacitance to neutral in microfarads per mile and the capacitive reactance to neutral in ohm-miles. If the line is 115 mi long, find the capacitance to neutral and capacitive reactance of the line. Note: In the below i have added similer type of math and its ans.In the above math, there is just changes of values and Main Change is ACSR ROOK which is given to then question and in the below question which is solved it was ask ACSR Parakeet. So notice that. Follow This Book for help"POWER SYSTEM ANALYSISAND DESIGN;FIFTH EDITION, SI;J. DUNCAN GLOVER" Now solve the math according to the given way solve the math. "A three-phase 60-hz transmission line has its conductors arranged in a triangular formation so that two of the distances between conductors are 25…

A 3-phase 50 km long single circuit 66 kV transposed overhead line has horizontal spacing with3 m between adjacent-conductors and 6 m between outer conductors. The conductor diameter is2 cm. Find the Inductance per phase. [61.85 mh]

Q1. Figure 1 shows the conductor configuration of a completely transposed three-phase overhead transmission line with bundled phase conductors. All conductors have a radius of 0.74 cm with a 30 cm bundle spacing. a) Determine the inductance per phase in mH/km b) Find the inductive line reactance per phase in 22/mi at 60 Hz. c) Determine the line to neutral capacitance per phase in µF/km A B -30 cm -30 cm 6 m 6m Figure 1: Conductor configuration. 30 cm