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? 2.9 kHz 29 MHz 290 kHz 29 kHz 2.9 kHz 29 MHz 290 kHz 29 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Oxide film arrestor has which of the following properties? It is expensive. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. Both A and B. It is expensive. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The factor affecting run off are the topography and nature of soil in the catchment area. rain fall pattern, shape and size of catchment area. amount of vegetation and weather condition in the catchment area. all of above. the topography and nature of soil in the catchment area. rain fall pattern, shape and size of catchment area. amount of vegetation and weather condition in the catchment area. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Example of base load stations are both A and B. thermal. gas turbine. hydro. both A and B. thermal. gas turbine. hydro. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used in case hill areas to over come the which problem? increase power factor All of these increase string efficiency unequal ice loading increase power factor All of these increase string efficiency unequal ice loading ANSWER DOWNLOAD EXAMIANS APP
Power Systems Specified quantities of slack bus are P and V P and Q P and δ V and δ P and V P and Q P and δ V and δ ANSWER DOWNLOAD EXAMIANS APP