(b) Supposed a three-phase transmission line is having following parameters. Sending End Voltage, Vs= 355 kV Distance, l = 145 km Resistance, R = 0.041 Q/km Inductance, L = 0.75 mH/km Receiving End Voltage, VR = 335 kV Receiving End Power, Sr = 265MVA Power Factor, p.f = 0.8 lagging Shunt Capacitance, c = 0.0123 µF/km By taking frequency as 60 Hz, (i) Draw the nominal a model of above transmission line.

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter5: Transmission Lines: Steady-state Operation
Section: Chapter Questions
Problem 5.25P
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(b) Supposed a three-phase transmission line is having following parameters.
Sending End Voltage, Vs= 355 kV
Distance, l = 145 km
Resistance, R = 0.041 Q/km
Inductance, L = 0.75 mH/km
Receiving End Voltage, VR = 335 kV
Receiving End Power, Sr = 265MVA
Power Factor, p.f=0.8 lagging
Shunt Capacitance, C = 0.0123 µF/km
By taking frequency as 60 Hz,
(i) Draw the nominal a model of above transmission line.
Transcribed Image Text:(b) Supposed a three-phase transmission line is having following parameters. Sending End Voltage, Vs= 355 kV Distance, l = 145 km Resistance, R = 0.041 Q/km Inductance, L = 0.75 mH/km Receiving End Voltage, VR = 335 kV Receiving End Power, Sr = 265MVA Power Factor, p.f=0.8 lagging Shunt Capacitance, C = 0.0123 µF/km By taking frequency as 60 Hz, (i) Draw the nominal a model of above transmission line.
(ii) Determine constant A, B, C and D of two-port network representation.
(iii) Examine the per phase sending current, Is(1q)
(iv) Formulate the sending end line voltage, Vs(L.-L)
(v) Calculate the three-phase sending end total power, Ss(39)
(vi) Analyse the voltage regulation of the entire system, % VR
Transcribed Image Text:(ii) Determine constant A, B, C and D of two-port network representation. (iii) Examine the per phase sending current, Is(1q) (iv) Formulate the sending end line voltage, Vs(L.-L) (v) Calculate the three-phase sending end total power, Ss(39) (vi) Analyse the voltage regulation of the entire system, % VR
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