Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 1250 MW 750 MW 1500 MW 1000 MW 1250 MW 750 MW 1500 MW 1000 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as long transmission line any of the above medium transmission line shunt capacitor long transmission line any of the above medium transmission line shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems In case of failure of prime mover of the generator, which type of relay is used? reverse power relay impedance relay distance relays offset mho relay reverse power relay impedance relay distance relays offset mho relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of star- delta connected 3-phase transformer? delta-delta star-star delta-star star-delta delta-delta star-star delta-star star-delta ANSWER DOWNLOAD EXAMIANS APP
Power Systems Buchholz relay is used for protection of transformer. bus bar. none of these. alternator. transformer. bus bar. none of these. alternator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If all the sequence voltages at the fault point in a power system are equal, then the fault point is a LL LLL LLG LG LL LLL LLG LG ANSWER DOWNLOAD EXAMIANS APP