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(Solved): A three-phase 50 Hz transmission line with a length of 30 km supplies a load connected to the receiv ...



A three-phase 50 Hz transmission line with a length of 30 km supplies a load connected to the receiving end. The line resistance is

0.07??km?

per phase and the line inductance is

1.0m(H)/(k)m

per phase. Load data is given as:

4MVA,34.5

kV , and 0.9 power factor lagging. Using the short line model, compute the followings: a) ABCD parameters ( 5 p ) b) The sending voltage and current (10 p) c) The sending end complex power and power factor (5 p) d) Total real and reactive power loss in the line ( 5 p ) e) Voltage regulation and the efficiency of the line (5 p)

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