Power Systems If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be 25. 10. 50. 15. 25. 10. 50. 15. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead -6.92% 10% -10% 6.92% -6.92% 10% -10% 6.92% ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 5 MJ 10 MJ 50 MJ 500 MJ 5 MJ 10 MJ 50 MJ 500 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are two one three six two one three six ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation any of the above Z1 = Z2 = Z0 (Z1 = Z2) < Z0 (Z1 = Z2) > Z0 any of the above Z1 = Z2 = Z0 (Z1 = Z2) < Z0 (Z1 = Z2) > Z0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 66 kV lines the number of insulator discs of each 11 kV used are 12 6 5 3 12 6 5 3 ANSWER DOWNLOAD EXAMIANS APP
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