A 50 Hz transmission line 300 km long has total series impedance of 40+j125 ohms and a total shunt admittance of 10^-3 mho. The receiving end load is 50 MW at 220 kV with 0.8 lagging power factor. Find the sending end voltage, current, power and power factor using, (a) short line approximation, (b) nominal-π method, (c) exact transmission line equation, (d) approximation. Compare the results and comments.
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) A 50 Hz transmission line 300 km long has a series impedance of 40 j125 ohms and a total shunt admittance of 103 S. The load draws 500 MW at 220 kV with 0.8 pf lagging. Find the sending end voltage using (a) Short line approximation and (b) Nominal π method.
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