Power Systems In which of the following given faults, all the sequence currents are equal? LG LLG LLL LL LG LLG LLL LL ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is usually employed for protection of medium transmission lines only any line long transmission lines only short transmission lines only medium transmission lines only any line long transmission lines only short transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjust vanes is Pelton. Francis. Kaplan. Impeller. Pelton. Francis. Kaplan. Impeller. 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 4.28 pu 7.25 pu 3.75 pu 2.5 pu 4.28 pu 7.25 pu 3.75 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is j6 pu j3 pu j9 pu j1 pu j6 pu j3 pu j9 pu j1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of over head lines same in both cases power cables None of these over head lines same in both cases power cables None of these ANSWER DOWNLOAD EXAMIANS APP