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a 270-mile transmission line has 220KV, 3 phase, 60 cps, between conductors at the supply station...

a 270-mile transmission line has 220KV, 3 phase, 60 cps, between conductors at the supply station end. The impedance, z = 0.18+j0.842 ohms per mile. The admittance, y = j5.01x10^-6 ohms per miles. Find the following:

a. Find the ABCD constant of the line
b. What is the voltage at the load end when the line has no load and the charging current.
c. What is the Vs and Is for a load of 125 MW at 200KV and 0.866 lagging P.F.

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