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A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters...
A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters...
A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters of r = 0.09 ohm/km, x = 0.88 ohm/km, y = 4.1 * 10^-6 S/km. 10. Calculate the ABCD constants of this transmission line. 11. What is the sending end voltage if the line is supplying rated voltage and apparent power at 0.85 PF lagging? 12. What is the voltage regulation of the transmission line for the conditions in question 11. 13. What is...
A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters...
A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters of r = 0.09 Ohm/km, x = 0.88 Ohm/km, y = 4.1*10^-6 S/km. What is the sending end voltage if the line is supplying rated voltage and apparent power at 0.85 PF lagging? What is the voltage regulation of the transmission line for the conditions in question 11.
Just need number 12 answer to number 11 (magnitude) is 272.305 kV C. A 220-kV, 150...
Just need number 12
answer to number 11 (magnitude) is 272.305 kV
C. A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters of r-0.09 ?/km, x-0.88 ?/km, y-4.1*10-6 S/km. 10. Calculate the ABCD constants of this transmission line. 11. What is the sending end voltage if the line is supplying rated voltage and apparent power at 0.85 PF lagging? 12. What is the voltage regulation of the transmission line for the conditions in...
A 220-kv, 150 MVA, 60-Hz three phase transmission line is 50 km long. The characteristic parameters...
A 220-kv, 150 MVA, 60-Hz three phase transmission line is 50 km long. The characteristic parameters of the transmission line are r-0.05 2/km x-0.88 /km 1. The voltag at the reeioransmisson line is215 kV What is the suppling end voltage if the line is supplying rated voltage at unity PF? What is the voltage regulation of the transmission line? What is the efficiency of the transmission line? a. b. c.
A single-circuit, 50-Hz, 3-phase transmission line is 150 km long. The line is connected to supply...
A single-circuit, 50-Hz, 3-phase transmission line is 150 km long. The line is connected to supply a load of 30 MVA at 0.85 pf lag and 138 kV. The line constants are : R = 0.186 ohm/km, L = 2.60 mH/km, and C = 0.012 μF/km. Using nominal π representation calculate : (a) the ABCD constants of the line. (b) the sending end voltage when supplying (i) no load, and (ii) the above load at the receiving end at the...
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...
A 3-phase, 50 Hz, long 300 Km transmission line delivers 60 MVA at 124 kV and...
A 3-phase, 50 Hz, long 300 Km transmission line delivers 60 MVA at 124 kV and 0-8 p.f. lagging. The total resistance 25.3 ohm and total reactance is 66.5 ohm and the admittance due to capacitance is 0.442*10-3 mho. Determine: (i) (ii) (iii) A,B, C and D constants of long T.L Sending end voltage, current and power factor Transmission efficiency, Voltage regulation
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 #1: A single-circuit, 500 kV, 60 Hz, three-phase transmission line is 250 km long. The...
Problem #1: A single-circuit, 500 kV, 60 Hz, three-phase transmission line is 250 km long. The characteristic parameters of the transmission line are: x0.4 0/km At full load, the line delivers 1000 MVA at 500 kV with 0.80 PF lagging y j4 x 10 S/km r0.045 /km a. Assume that identical shunt reactors (inductors) are connected from each phase conductor to neutral at both ends of the line during light-load conditions, providing 50% total shunt compensation. The reactors are removed...
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...
A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters of r = 0.09 ohm/km, x = 0.88 ohm/km, y = 4.1 * 10^-6 S/km. 10. Calculate the ABCD constants of this transmission line. 11. What is the sending end voltage if the line is supplying rated voltage and apparent power at 0.85 PF lagging? 12. What is the voltage regulation of the transmission line for the conditions in question 11. 13. What is...
A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters of r = 0.09 Ohm/km, x = 0.88 Ohm/km, y = 4.1*10^-6 S/km. What is the sending end voltage if the line is supplying rated voltage and apparent power at 0.85 PF lagging? What is the voltage regulation of the transmission line for the conditions in question 11.
Just need number 12
answer to number 11 (magnitude) is 272.305 kV
C. A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters of r-0.09 ?/km, x-0.88 ?/km, y-4.1*10-6 S/km. 10. Calculate the ABCD constants of this transmission line. 11. What is the sending end voltage if the line is supplying rated voltage and apparent power at 0.85 PF lagging? 12. What is the voltage regulation of the transmission line for the conditions in...
A 220-kv, 150 MVA, 60-Hz three phase transmission line is 50 km long. The characteristic parameters of the transmission line are r-0.05 2/km x-0.88 /km 1. The voltag at the reeioransmisson line is215 kV What is the suppling end voltage if the line is supplying rated voltage at unity PF? What is the voltage regulation of the transmission line? What is the efficiency of the transmission line? a. b. c.
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...
A 3-phase, 50 Hz, long 300 Km transmission line delivers 60 MVA at 124 kV and 0-8 p.f. lagging. The total resistance 25.3 ohm and total reactance is 66.5 ohm and the admittance due to capacitance is 0.442*10-3 mho. Determine: (i) (ii) (iii) A,B, C and D constants of long T.L Sending end voltage, current and power factor Transmission efficiency, Voltage regulation
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 #1: A single-circuit, 500 kV, 60 Hz, three-phase transmission line is 250 km long. The characteristic parameters of the transmission line are: x0.4 0/km At full load, the line delivers 1000 MVA at 500 kV with 0.80 PF lagging y j4 x 10 S/km r0.045 /km a. Assume that identical shunt reactors (inductors) are connected from each phase conductor to neutral at both ends of the line during light-load conditions, providing 50% total shunt compensation. The reactors are removed...
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...
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