Power Systems If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage 200 kV. 400 kV. 100 kV. 50 kV. 200 kV. 400 kV. 100 kV. 50 kV. 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 10. 50. 25. 15. 10. 50. 25. 15. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Differential relay Buchholz relay Over current relay Over fluxing relay Differential relay Buchholz relay Over current relay Over fluxing relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? nether 1 nor 2 Bus impedance matrix is a full matrix Bus admittance matrix is a sparse matrix both 1 and 2 nether 1 nor 2 Bus impedance matrix is a full matrix Bus admittance matrix is a sparse matrix both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 100 MVA 200 MVA 400 MVA 500 MVA 100 MVA 200 MVA 400 MVA 500 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? CVT current transformer lightning arrester circuit breaker CVT current transformer lightning arrester circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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