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? 1.13 1 0.89 1.25 1.13 1 0.89 1.25 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 2 pu 4 pu 0.5 pu 0.2 pu 2 pu 4 pu 0.5 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona power loss decreases All of these interference decreases charging current increases power loss decreases All of these interference decreases charging current increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if the shunt admittances at the buses are ignored if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent always if the shunt admittances at the buses are ignored if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent always ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantage/s of per unit system as compare to absolute system? memory required is less All of these only one equation is required calculation time is less memory required is less All of these only one equation is required calculation time is less ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rating of CB is in terms of current. volt - ampere. VAR. voltage. current. volt - ampere. VAR. voltage. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS