Power Systems Earth fault relay uses the which of the following sequence currents? negative sequence any of the above zero sequence positive sequence negative sequence any of the above zero sequence positive sequence ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? resistance grounding isolated grounding reactance grounding All of these resistance grounding isolated grounding reactance grounding All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by Zs = 0.2 pu, Zm =0.7 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.6 pu, Zm =0.5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following given faults, all the sequence currents are equal? LG LLL LLG LL LG LLL LLG LL ANSWER DOWNLOAD EXAMIANS APP
Power Systems If all the sequence voltages at the fault point in a power system are equal, then the fault point is a LLG LLL LL LG LLG LLL LL LG ANSWER DOWNLOAD EXAMIANS APP
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