Power Systems Buchholz relay is used for protection of bus bar. none of these. transformer. alternator. bus bar. none of these. transformer. alternator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Tidal power plant is a example of which of the following plant? None of these peak load plant either 1 or 2 base load plant None of these peak load plant either 1 or 2 base load plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 88.2% 85% 11.8% 15% 88.2% 85% 11.8% 15% 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? 102.5 105.2 85.5 95.5 102.5 105.2 85.5 95.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for protection of short lines. medium lines. none of these. long lines. short lines. medium lines. none of these. long lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 90° 45° 36° 42° 90° 45° 36° 42° ANSWER DOWNLOAD EXAMIANS APP
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