Supposed a three-phase transmission

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(b) Supposed a three-phase transmission line is having following parameters.
Sending End Voltage, Vs= 355 kV
Distance, l =
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
145 km
%3D
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(19)
(iv) Formulate the sending end line voltage, VsL-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:(b) Supposed a three-phase transmission line is having following parameters. Sending End Voltage, Vs= 355 kV Distance, l = 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 145 km %3D 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(19) (iv) Formulate the sending end line voltage, VsL-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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