The per-phase impedance of a short transmission line is (0.3+j0.4) Ω. The sending end line-to-line voltage is 3300V, and the load at the receiving end is 300 kiloWatts per phase at 0.8 power factor la...
The per-phase impedance of a short transmission line is (0.3+j0.4) Ω. The sending end line-to-line voltage is 3300V, and the load at the receiving end is 300 kiloWatts per phase at 0.8 power factor lagging. Calculate:
(a) The receiving end voltage
(b) The line current
(c) The sending end power factor
(d) The power loss.
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The per-phase impedance of a short transmission line is (0.3+j0.4) Ω. The sending end line-to-line voltage is 3300V, and the load at the receiving end is 300 kiloWatts per phase at 0.8 power factor la...
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A 230kV three phase transmission line has a per phase series impedance of z=0.05+j0.45ohms per km...
A 230kV three phase transmission line has a per phase series impedance of z=0.05+j0.45ohms per km and a per phase shunt admittance of y= j3.4x10^-6 siemens per km. The line is 80km long. Using the medium line pi model: (a) Determine the transmission line model constants A, B, C, and D (b) Find the sending end (generating) voltage, current and power when the line delivers to a load of 1. 200 MVA with 0.8 lagging power factor at 220 kV...
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A 4200-V, three-phase transmission line has an impedance of 4+j10 22 per phase. If it supplies a load of 1 MVA at 0.75 power factor (lagging), find: (a) the complex power (b) the power loss in the line (c) the voltage at the sending end
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...
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A three-phase transmission line is 200 km long. lt has a total series impedance of 25+j110)Ω Per Phase and a total shunt admittance ofj5x 10 Ω. It delivers 180 MW at 275 kV and 0.8 power factor lagging to a load connected at the receiving end. Using the medium π model of the line, determine the voltage, current, real power, reactive power and power factor at the sending end of the line.
kV/phase, 60 Hz, lossless short transmission line has a short-circuit power of 500 MVA/phase. Consider 7. A a unity power factor load connected at the receiving end. Assume that the sending end voltage is equal to the nominal voltage. a. Determine the maximum active power this line can transmit (5 points) b. Determine the reactance of the line (5 points) c. Using basic equations of circuit analysis, show that the magnitude of the receiving end voltage (VR) is approximately 71%...
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