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UTORIAL PROBLEMS 1 A 150 km 34, 110 kV, 50 Hz transmission line transmits a load...
• Q3//A transmission line 200 km long has the following constant: Resistance per km=0.150 Reactance per...
• Q3//A transmission line 200 km long has the following constant: Resistance per km=0.150 Reactance per km=0.500 Susceptance per Km=2.0x10-6 mho • Voltage at the receiving end is 132 Kv. The transmission line is delivering 50MVA at 0.85 lagging at the receiving end. calculate (i) sending end voltage (ii)sending-end current (iii)voltage regulation (iv)efficiency. 3
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...
• Q3//A transmission line 200 km long has the following constant: • Resistance per km=0.152 •...
• Q3//A transmission line 200 km long has the following constant: • Resistance per km=0.152 • Reactance per km=0.500 • Susceptance per Km=2.0x10-6 mho • Voltage at the receiving end is 132 Ky. The transmission line is delivering 50MVA at 0.85 lagging at the receiving end. calculate (i) sending end voltage (ii)sending-end current (iii)voltage regulation (iv)efficiency.
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.
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 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. Calculate the ABCD constants of this transmission line. 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. What is the efficiency of the...
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...
#2. The A B C D parameters of a 180 km transmission line are: A D-0.853 + j 0.016, B = (31.4 + j1...
#2. The A B C D parameters of a 180 km transmission line are: A D-0.853 + j 0.016, B = (31.4 + j137.0) Ω, C = (-5.00 + j855) x 10-6 S. The load at the receiving end is 100 MVA at 220 kV line to line and o.80 pf lagging. Compute (i) the sending end voltage, Vs (ii) Voltage Regulation (VR) of the line and (ii) the efficiency, n, of the line.
#2. The A B C D...
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...
• Q3//A transmission line 200 km long has the following constant: Resistance per km=0.150 Reactance per km=0.500 Susceptance per Km=2.0x10-6 mho • Voltage at the receiving end is 132 Kv. The transmission line is delivering 50MVA at 0.85 lagging at the receiving end. calculate (i) sending end voltage (ii)sending-end current (iii)voltage regulation (iv)efficiency. 3
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...
• Q3//A transmission line 200 km long has the following constant: • Resistance per km=0.152 • Reactance per km=0.500 • Susceptance per Km=2.0x10-6 mho • Voltage at the receiving end is 132 Ky. The transmission line is delivering 50MVA at 0.85 lagging at the receiving end. calculate (i) sending end voltage (ii)sending-end current (iii)voltage regulation (iv)efficiency.
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.
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 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. Calculate the ABCD constants of this transmission line. 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. What is the efficiency of the...
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...
#2. The A B C D parameters of a 180 km transmission line are: A D-0.853 + j 0.016, B = (31.4 + j137.0) Ω, C = (-5.00 + j855) x 10-6 S. The load at the receiving end is 100 MVA at 220 kV line to line and o.80 pf lagging. Compute (i) the sending end voltage, Vs (ii) Voltage Regulation (VR) of the line and (ii) the efficiency, n, of the line.
#2. The A B C D...
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