Power Systems For n bus power system size of Y bus matrix is (n-1)×(n-1) n×n (n-1)×(n-2) (n-2)×(n-2) (n-1)×(n-1) n×n (n-1)×(n-2) (n-2)×(n-2) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the disadvantages of phase modifiers? It requires more maintenance because of running equipment It consumes both active and reactive power Initial cost of synchronous phase modifier is higher All of these It requires more maintenance because of running equipment It consumes both active and reactive power Initial cost of synchronous phase modifier is higher All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed of water turbine is the speed at which the turbine develops maximum horse power. a minimum horse power. unit horse power at unit head. unit horse power at all heads. maximum horse power. a minimum horse power. unit horse power at unit head. unit horse power at all heads. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The water from a catchment is 60*106 cu m annually and hydro station has head of 40 m. Assuming ideal generator and turbine, the power that can be theoretically generated is 500 kW 250 kW 750 kW 300 kW 500 kW 250 kW 750 kW 300 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plant, which of its following components needs maximum maintenance attention Boiler. Condenser. Super heater. Steam turbine. Boiler. Condenser. Super heater. Steam turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is 400 MW 800 MW 200 MW 1600 MW 400 MW 800 MW 200 MW 1600 MW ANSWER DOWNLOAD EXAMIANS APP