Power Systems Condition for maximum voltage regulation cosφ = R/X tanφ = R/X cosφ = X/R tanφ = X/R cosφ = R/X tanφ = R/X cosφ = X/R tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 29 MHz 2.9 kHz 290 kHz 29 kHz 29 MHz 2.9 kHz 290 kHz 29 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Switchgear equipment include fuses. relays and CB. all of these. switches. fuses. relays and CB. all of these. switches. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are All of these Transmission line losses are reduced Area of cross section and volume of the conductor is reduced Power transfer capability of the transmission line is increased All of these Transmission line losses are reduced Area of cross section and volume of the conductor is reduced Power transfer capability of the transmission line is increased ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission line positive sequence reactance Xs +2 Xm Xs - Xm 2Xs + Xm Xm - Xs Xs +2 Xm Xs - Xm 2Xs + Xm Xm - Xs ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed of water turbine is the speed at which the turbine develops maximum horse power. unit horse power at all heads. unit horse power at unit head. a minimum horse power. maximum horse power. unit horse power at all heads. unit horse power at unit head. a minimum horse power. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS