Power Systems Which of the following relays is/are unit protection relays? Differential relays over current relays Buccholz relays both 1 and 2 Differential relays over current relays Buccholz relays both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of a surge tank is to none of above. produce surge in the pipeline. supply water at constant pressure. relieve water hammer pressure in the penstock. none of above. produce surge in the pipeline. supply water at constant pressure. relieve water hammer pressure in the penstock. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is usually employed for protection of medium transmission lines only long transmission lines only short transmission lines only any line medium transmission lines only long transmission lines only short transmission lines only any line ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs shunt capacitor at receiving end All of these shunt resistance at receiving end shunt reactor at receiving end shunt capacitor at receiving end All of these shunt resistance at receiving end shunt reactor at receiving end ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main advantage of the Decoupled Load Flow (DLF) as compared to the NR method is All of these reduced memory requirements in storing the Jacobian elements accuracy is more number of iterations are less All of these reduced memory requirements in storing the Jacobian elements accuracy is more number of iterations are less ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be 1 + j 4 A 5 + j 7 A -2 - j 1 A 1 + j 2 A 1 + j 4 A 5 + j 7 A -2 - j 1 A 1 + j 2 A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS