Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead -10% -6.92% 10% 6.92% -10% -6.92% 10% 6.92% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the stator faults? failure of excitation Inter phase faults All of these over current failure of excitation Inter phase faults All of these over current ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive sequence reactance will be equal to negative sequence if the equipment is none of these. transformer and transmission lines. generator. motor. none of these. transformer and transmission lines. generator. motor. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a generator of 250 MVA rating has an inertia constant of 6 MJ/MVA, its inertia constant on 100 MVA base is 2.5 MJ/MVA 6 MJ/MVA 10.5 MJ/MVA 15 MJ/MVA 2.5 MJ/MVA 6 MJ/MVA 10.5 MJ/MVA 15 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Resistance switching in normally employed in air blast circuit breaker. minimum oil breakers. all breakers. bulk oil breakers. air blast circuit breaker. minimum oil breakers. all breakers. bulk oil breakers. ANSWER DOWNLOAD EXAMIANS APP
Power Systems India’s largest thermal power station is located at Sarni. Neyveli. Kota. Chandrapur. Sarni. Neyveli. Kota. Chandrapur. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS