1. A short, 230 kV transmission line has an impedance of 5 cis 78 ohms. The load at the receiving end is 100 MW at 230 kV, 85% lagging power factor. What is the voltage at the sending end?
a. 235.43 kV b. 226.3 kV c. 231.78 kV d. 238.21 kV
2. A 66 kV medium length transmission line delivers a load of 10 MW at 66 kV and 80% lagging P.F. The line impedance is 10+20j per phase and its shunt admittance is 4x10^-4 S/phase to neutral. Using the nominal pi method, determine the constant A of the transmission line.
3. What is the constant B of problem #2?