345 kV, 50 Hz, 3-phase transmission line is 100 km long. The resistance is 0.048 Ω/km...

345 kV, 50 Hz, 3-phase transmission line is 100 km long. The resistance is 0.048 Ω/km and the inductance is 1,24 mH/km. The shunt capacitance is 0.0174 μF/km. The receiving end load is 216 MW with 0.8 power factor lagging at 325 kV.

(a) Compute ABCD parameters using π equivalent circuit

(b) Sending end voltage VS,

(c) Sending end current IS,

(d) Efficiency

Expert Solution

(a) A=0.989 ; B=39.1 ohm ; C= j0.000544 Siemens D=0.989 (only magnitude mentioned)

(b) Vs=344.75 kV ; (c) Is=421.23 amp

(d) efficiency =95.22%

Manojponduru answered 2 years ago

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