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9. Assuming we found the neutral to line capacitance per phase of a three phase line...
Homework 24: Use the ALCOA conductor table from Glover, Sarma, Power System Analysis and Design, for this assignment A 12 kV 60 Hz three-phase three-wire overhead line has Drake ACSR conductors space...
Homework 24: Use the ALCOA conductor table from Glover, Sarma, Power System Analysis and Design, for this assignment A 12 kV 60 Hz three-phase three-wire overhead line has Drake ACSR conductors spaced 4 ft apart in an equilateral triangle. It is operating at 50 degrees C. a. Calculate resistance (0.1288 ohms/mile) of one phase of the line b. Calculate series inductance of the line (0.93 uH/m) c. Calculate shunt capacitance of the line. (12.47 pF/m) The line is 20 km...
A 60-Hz three-phase, three-wire overhead line has solid cylindrical conductors arranged in the fo...
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A 60-Hz three-phase, three-wire overhead line has solid cylindrical conductors arranged in the form of an equilateral triangle with 4 ft conductor spacing. Conductor diameter is 0.5 in a) Calculate the positive-sequence inductance in H/m and the positive-sequence inductive reactance in 2/km. b) Calculate the capacitance-to-neutral in F/m and the admittance-to-neutral in S/km for the three-phase line stated above. Neglect the effect of the earth plane. c) Rework b) if the phase spacing is i)...
Problem 2 (10 points) A bundled 60 Hz three-phase line has three conductors per bundle. The...
Problem 2 (10 points) A bundled 60 Hz three-phase line has three conductors per bundle. The conductors of the bundle have equal spacing of 45 cm. The spacing between bundle centers of the three phase line is 10,. 10 and 20 m. It is also known that the radius of each conductor is 0.015 m. The equation for calculating the per phase capacitance to neutral is given as: C.D In(?) DA sC Calculate: (1) the D, in the equation (5...
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.
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...
PROBLEM: A 230-kV, 50 Hz, three-phase transmission line is 120 km long. The line has a per phase ...
PROBLEM: A 230-kV, 50 Hz, three-phase transmission line is 120 km long. The line has a per phase series impedance of z-0.05 +j0.45 Ω per km, and a per phase shunt admittance of y 3.4x10-6 Siemens per km. The line delivers (at the receiving end) 200 MVA, 0.8 lagging power factor at 220 kV. Now consider two cases: A- Assume that shunt parameters of the transmission line are ignored (i.e. even if this is a medium length transmission line, under...
Problem 4 (10 points) A three-phase, 60 Hz, completely transposed overhead transmission line has one Redwing...
Problem 4 (10 points) A three-phase, 60 Hz, completely transposed overhead transmission line has one Redwing ACSR conductor per phase. The conductors are oriented in a flat, horizontal configuration with 5 meter spacings between A and B, 5 meter spacing between B and C, and 10 meters between A and C. What is the inductive reactance for a 10 mile length of this transmission line? Problem 5 (10 points) a.) Calculate the capacitance-to-neutral (F/m) for the transmission line of problem...
A 230-kV, three-phase transmission line has a per phase series impedance of z = 0.05j0.45 2...
A 230-kV, three-phase transmission line has a per phase series impedance of z = 0.05j0.45 2 per km and a per phase shunt admittance ofy = j3.4 x 10-6 siemens per km. The line is 80 km long. Using the nominal r model, determine (a) The transmission line ABCD constants. Find the sending end voltage and current, voltage regulation, the sending end power and the transmission efficiency when the line delivers (b) 200 MVA, 0.8 lagging power factor at 220...
Problem 5.11 A three-phase, 60 Hz transmission line with a length of 180 miles consists of...
Problem 5.11 A three-phase, 60 Hz transmission line with a length of 180 miles consists of three Cardinal conductors per bundle with equilateral spacing of 35 cm between conductors. The bundles are arranged vertically with spacing between centers, as sketched in Figure 5.94 (x = 5 m, y = 6.5 m). A 500 kV network supplies the line. The supply short circuit current is 22 kA. (a) Determine the total resistance, inductive reactance, and capacitive admittance of the transmission line....
Problem 2: A 345 kV, 60 Hz, three-phase characteristic parameters of the transmission line are: transmission...
Problem 2: A 345 kV, 60 Hz, three-phase characteristic parameters of the transmission line are: transmission line is 130 km long. The r= 0.036 ?/km L = 0.8 x 10-3 H/km C = 0.0112 x 10-6 F/km The receiving end load is 270 MVA with 0.8 PF lagging at 325 kV. (k) What is the total series impedance of this transmission line? (5 points) () What is the total shunt admittance of this transmission line? (5 points) (m) Calculate the...
Homework 24: Use the ALCOA conductor table from Glover, Sarma, Power System Analysis and Design, for this assignment A 12 kV 60 Hz three-phase three-wire overhead line has Drake ACSR conductors spaced 4 ft apart in an equilateral triangle. It is operating at 50 degrees C. a. Calculate resistance (0.1288 ohms/mile) of one phase of the line b. Calculate series inductance of the line (0.93 uH/m) c. Calculate shunt capacitance of the line. (12.47 pF/m) The line is 20 km...
Please show all the steps
A 60-Hz three-phase, three-wire overhead line has solid cylindrical conductors arranged in the form of an equilateral triangle with 4 ft conductor spacing. Conductor diameter is 0.5 in a) Calculate the positive-sequence inductance in H/m and the positive-sequence inductive reactance in 2/km. b) Calculate the capacitance-to-neutral in F/m and the admittance-to-neutral in S/km for the three-phase line stated above. Neglect the effect of the earth plane. c) Rework b) if the phase spacing is i)...
Problem 2 (10 points) A bundled 60 Hz three-phase line has three conductors per bundle. The conductors of the bundle have equal spacing of 45 cm. The spacing between bundle centers of the three phase line is 10,. 10 and 20 m. It is also known that the radius of each conductor is 0.015 m. The equation for calculating the per phase capacitance to neutral is given as: C.D In(?) DA sC Calculate: (1) the D, in the equation (5...
PROBLEM: A 230-kV, 50 Hz, three-phase transmission line is 120 km long. The line has a per phase series impedance of z-0.05 +j0.45 Ω per km, and a per phase shunt admittance of y 3.4x10-6 Siemens per km. The line delivers (at the receiving end) 200 MVA, 0.8 lagging power factor at 220 kV. Now consider two cases: A- Assume that shunt parameters of the transmission line are ignored (i.e. even if this is a medium length transmission line, under...
Problem 4 (10 points) A three-phase, 60 Hz, completely transposed overhead transmission line has one Redwing ACSR conductor per phase. The conductors are oriented in a flat, horizontal configuration with 5 meter spacings between A and B, 5 meter spacing between B and C, and 10 meters between A and C. What is the inductive reactance for a 10 mile length of this transmission line? Problem 5 (10 points) a.) Calculate the capacitance-to-neutral (F/m) for the transmission line of problem...
A 230-kV, three-phase transmission line has a per phase series impedance of z = 0.05j0.45 2 per km and a per phase shunt admittance ofy = j3.4 x 10-6 siemens per km. The line is 80 km long. Using the nominal r model, determine (a) The transmission line ABCD constants. Find the sending end voltage and current, voltage regulation, the sending end power and the transmission efficiency when the line delivers (b) 200 MVA, 0.8 lagging power factor at 220...
Problem 5.11 A three-phase, 60 Hz transmission line with a length of 180 miles consists of three Cardinal conductors per bundle with equilateral spacing of 35 cm between conductors. The bundles are arranged vertically with spacing between centers, as sketched in Figure 5.94 (x = 5 m, y = 6.5 m). A 500 kV network supplies the line. The supply short circuit current is 22 kA. (a) Determine the total resistance, inductive reactance, and capacitive admittance of the transmission line....
Problem 2: A 345 kV, 60 Hz, three-phase characteristic parameters of the transmission line are: transmission line is 130 km long. The r= 0.036 ?/km L = 0.8 x 10-3 H/km C = 0.0112 x 10-6 F/km The receiving end load is 270 MVA with 0.8 PF lagging at 325 kV. (k) What is the total series impedance of this transmission line? (5 points) () What is the total shunt admittance of this transmission line? (5 points) (m) Calculate the...
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