Power Systems The rate of rise of re-striking voltage is dependent upon resistance of the system only both 1 and 2 inductance of the system only capacitance of the system only resistance of the system only both 1 and 2 inductance of the system only capacitance of the system only ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 2.5 pu 3.75 pu 7.25 pu 4.28 pu 2.5 pu 3.75 pu 7.25 pu 4.28 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 500 ohms 50 ohms 5 ohms 0.5 ohm 500 ohms 50 ohms 5 ohms 0.5 ohm ANSWER DOWNLOAD EXAMIANS APP
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 15. 25. 10. 50. 15. 25. 10. 50. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following effects are associated with transmission line corona effect skin effect ferranti effect All of these corona effect skin effect ferranti effect All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5200 MVA. 5000 MVA. 5100 MVA. 5500 MVA. 5200 MVA. 5000 MVA. 5100 MVA. 5500 MVA. ANSWER DOWNLOAD EXAMIANS APP
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