Power Systems Offset mho relay is used for the protection of equipment when loss of excitation of the generator either 1 or 2 failure of prime mover of the generator None of these loss of excitation of the generator either 1 or 2 failure of prime mover of the generator None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1 1.13 1.25 0.89 1 1.13 1.25 0.89 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. After shunt compensation surge impedance loading will None of these decreases increases remains unaffected None of these decreases increases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems Differential relays does not used for which of the following faults? faults within a transformer through faults both 1 and 2 faults within a generator faults within a transformer through faults both 1 and 2 faults within a generator ANSWER DOWNLOAD EXAMIANS APP
Power Systems In kaplan runner, the number of blades is generally of the order of 16 - 24. 1 - 2. 3 - 6. 12 - 16. 16 - 24. 1 - 2. 3 - 6. 12 - 16. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 1.375 pu 3.975 pu 2.4 pu 0.2 pu 1.375 pu 3.975 pu 2.4 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP