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? LLG. LG. LL. LLLG. LLG. LG. LL. LLLG. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of off diagonal elements is which is connected between bus i and bus j with negative sign which is connected between bus i and bus j with positive sign sum of admittances connected at bus j sum of admittances connected at bus i which is connected between bus i and bus j with negative sign which is connected between bus i and bus j with positive sign sum of admittances connected at bus j sum of admittances connected at bus i ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is usually employed for protection of short transmission lines only medium transmission lines only long transmission lines only any line short transmission lines only medium transmission lines only long transmission lines only any line ANSWER DOWNLOAD EXAMIANS APP
Power Systems On which one of the following cycles does a modern steam power plat work Carnot cycle. Rankine cycle. Bell - Coleman cycle. Otto cycle. Carnot cycle. Rankine cycle. Bell - Coleman cycle. Otto cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fault occurring at the terminals of an unloaded synchronous generator operating at its rated voltage has resulted in the following values of currents and voltages. IR0 = j 2.37 pu IR1 = -j 3.05 pu IR2 = j 0.68 pu VR0 = VR1 = VR2 = 0.237 pu. Which of the following faults has occurred? LL LLG LLL LG LL LLG LLL LG ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 6 5 8 2 6 5 8 2 ANSWER DOWNLOAD EXAMIANS APP
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