Power Systems A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation? 0.8 lag and 0.6 lead 0.8 lag and 0.8 lead 0.6 lag and 0.6 lead 0.6 lag and 0.8 lead 0.8 lag and 0.6 lead 0.8 lag and 0.8 lead 0.6 lag and 0.6 lead 0.6 lag and 0.8 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following plants is/are base load plants run off river nuclear both 1 and 2 pump storage run off river nuclear both 1 and 2 pump storage ANSWER DOWNLOAD EXAMIANS APP
Power Systems Under over excitation synchronous phase modifier works as series capacitor shunt capacitor any of the above shunt reactor series capacitor shunt capacitor any of the above shunt reactor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Water hamming process in pen-stocks results in noise increases, pressure increases, velocity decreases. pressure increases. None of these noise increases. noise increases, pressure increases, velocity decreases. pressure increases. None of these noise increases. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load? 0.98 pu 1.098 pu 1 pu 0.098 pu 0.98 pu 1.098 pu 1 pu 0.098 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 31.7 23.9 38.6 35.45 31.7 23.9 38.6 35.45 ANSWER DOWNLOAD EXAMIANS APP