Power Systems In a biased differential relay the bias is defined as the ratio of fault current and operating coil current. operating coil current and restraining coil current. number of turns of restraining and operating coil. fault current and restraining coil current. fault current and operating coil current. operating coil current and restraining coil current. number of turns of restraining and operating coil. fault current and restraining coil current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as long transmission line medium transmission line shunt capacitor any of the above long transmission line medium transmission line shunt capacitor any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 5 MW 10 MW 18 MW 9 MW 5 MW 10 MW 18 MW 9 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 -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
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 1.0. 1.35. 0.99. 0.75. 1.0. 1.35. 0.99. 0.75. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following configuration power transferability is higher? triangular configuration same in both configuration horizontal configuration None of these triangular configuration same in both configuration horizontal configuration None of these ANSWER DOWNLOAD EXAMIANS APP
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