Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 105.2 102.5 85.5 95.5 105.2 102.5 85.5 95.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is j9 pu j3 pu j1 pu j6 pu j9 pu j3 pu j1 pu j6 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments? 25 to 35 kV any voltage above 33 kV 33 to 50 kV 31.35 to 34.65 kV 25 to 35 kV any voltage above 33 kV 33 to 50 kV 31.35 to 34.65 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines? 5 4 2 8 5 4 2 8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by Zs = 0.7 pu, Zm =0.2 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.5 pu, Zm =0.6 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? either of these squirrel cage rotor cylindrical rotor salient pole rotor either of these squirrel cage rotor cylindrical rotor salient pole rotor ANSWER DOWNLOAD EXAMIANS APP
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