Power Systems The daily energy produced in thermal power station is 720 MWh at a load factor of 0.6. What is the maximum demand of the station? 30 MW 72 MW 50 MW 720 MW 30 MW 72 MW 50 MW 720 MW 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 1 + j 2 A -2 - j 1 A 1 + j 4 A 5 + j 7 A 1 + j 2 A -2 - j 1 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? By increasing of temperature, tension decrease both 1 and 2 sag increase neither 1 nor 2 tension decrease both 1 and 2 sag increase neither 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An hydro-graph indicates the average run off during the period. the discharge at any time during the period under consideration. the maximum and minimum run off during the period. All of these the average run off during the period. the discharge at any time during the period under consideration. the maximum and minimum run off during the period. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? shunt reactor shunt capacitor series capacitor both 1 and 2 shunt reactor shunt capacitor series capacitor both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 10.936 pu 8.936 pu 7.936 pu 9.936 pu 10.936 pu 8.936 pu 7.936 pu 9.936 pu ANSWER DOWNLOAD EXAMIANS APP