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? 0.6 lag and 0.6 lead 0.8 lag and 0.8 lead 0.6 lag and 0.8 lead 0.8 lag and 0.6 lead 0.6 lag and 0.6 lead 0.8 lag and 0.8 lead 0.6 lag and 0.8 lead 0.8 lag and 0.6 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line parameters of the short transmission line are 1,Z,Y,1 Z,0,Y,1 1,0,Y,1 1,Z,0,1 1,Z,Y,1 Z,0,Y,1 1,0,Y,1 1,Z,0,1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of modern EHV is designed based on corona. switching voltage. RI. lightning voltage. corona. switching voltage. RI. lightning voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pickup value of relay is 6.5 Amp and fault current in relay coil is 39 Amp. Its plug setting multiplier is 6 A. 7 A. 8 A. 10 A. 6 A. 7 A. 8 A. 10 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 500 MW 250 MW 1250 MW 750 MW 500 MW 250 MW 1250 MW 750 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of a surge tank is to supply water at constant pressure. relieve water hammer pressure in the penstock. produce surge in the pipeline. none of above. supply water at constant pressure. relieve water hammer pressure in the penstock. produce surge in the pipeline. none of above. ANSWER DOWNLOAD EXAMIANS APP
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