Power Systems T...

A 400 KV transmission line having line having line capacitance of 12.68 nF/km and line inductance 1.2 mH/km ignoring the length of the line, its ideal power transfer capability in MW is

The per unit impedance of a short transmission line is j 0.04. The line has a load current of (1 + j0.8) pu with a receiving end voltage of 1∠0°pu. The average reactive power flow over the line is _

A load of 15 MW at a power factor of 0.8 lagging can be delivered by a three-phase transmission line having conductors each of resistance 1 Ω per kilometer. The voltage at the receiving end is to be 132 kV and the loss in the transmission is to be 5%. The length of the transmission line is _____ (in km)

A three phase, 50 Hz, 16 km long overhead line supplies 1000 kW at 11 kV, 0.8 pf lagging. The line resistance is 0.03 Ω per phase per km and line inductance is 0.7 mH per phase per km. The percentage voltage regulation is _______

An 11 kV ( Receiving end) , 3 - phase transmission line has resistance of 4 Ω per phase. The efficiency of the line when supplying the load of 4MW at 0.8 lagging power factor, is nearly