Power Systems If the time of operation of a relay for unity TMS is 10 sec. the time of operation of 0.5 TMS will be _______________ secs. 7. 5. 20. 3. 7. 5. 20. 3. ANSWER DOWNLOAD EXAMIANS APP
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? 102.5 95.5 85.5 105.2 102.5 95.5 85.5 105.2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For distortion less line which of following relation are true None of above. R/L = C/G. R/L = G/C. R = O, G = O. None of above. R/L = C/G. R/L = G/C. R = O, G = O. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulator thickness on the conductor, in cables depends upon reactive power current power factor voltage reactive power current power factor voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used to reduce the vibrations at the point of support reduce the tension All of these increase the sag reduce the vibrations at the point of support reduce the tension All of these increase the sag ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 0.8 pu 0.5 pu 0.4 pu 1 pu 0.8 pu 0.5 pu 0.4 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP