Power Systems Which of the following faults is/are treated as external faults? Failure of prime mover of the generator Over voltage All of these Failure of excitation Failure of prime mover of the generator Over voltage All of these Failure of excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this? LL. LG. LLG. LLLG. LL. LG. LLG. LLLG. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is suited for capacitor bank switching SF6. air blast. vacuum. oil. SF6. air blast. vacuum. oil. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An hydro-graph indicates All of these the average run off during the period. the discharge at any time during the period under consideration. the maximum and minimum run off during the period. All of these the average run off during the period. the discharge at any time during the period under consideration. the maximum and minimum run off during the period. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 40 Ω 28 Ω 33 Ω 52 Ω 40 Ω 28 Ω 33 Ω 52 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Differential relays does not used for which of the following faults? faults within a generator faults within a transformer through faults both 1 and 2 faults within a generator faults within a transformer through faults both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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