Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 3 × 106 kV / sec. 3.5 × 106 kV / sec. 1 × 106 kV / sec. 2 × 106 kV / sec. 3 × 106 kV / sec. 3.5 × 106 kV / sec. 1 × 106 kV / sec. 2 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an interconnected power system, the most suitable power plant to meet the peak load condition is thermal plant hydro power plant pumped storage plant nuclear plant thermal plant hydro power plant pumped storage plant nuclear plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following effects are associated with transmission line All of these ferranti effect corona effect skin effect All of these ferranti effect corona effect skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is 554×554 540×540 553×553 555×555 554×554 540×540 553×553 555×555 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are made up of which material? any of the above silicon oxide copper silver any of the above silicon oxide copper silver ANSWER DOWNLOAD EXAMIANS APP
Power Systems The unit protection scheme provides simultaneous protection. primary protection. remote protection. back up protection. simultaneous protection. primary protection. remote protection. back up protection. ANSWER DOWNLOAD EXAMIANS APP