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 Apart from the skin effect the non uniformity of the current distribution is also caused by All of these ferranti effect bundled conductors proximity effect All of these ferranti effect bundled conductors proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 11.8% 85% 15% 88.2% 11.8% 85% 15% 88.2% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The flow duration curve at a given head of a hydroelectric plant is used to determine diversity factor for the plant. total power available at the site. total units of energy available. load factory at the plant. diversity factor for the plant. total power available at the site. total units of energy available. load factory at the plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station supplies the peak load of 50 MW, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55 the maximum demand on the station and average load respectively will be 52 MW. 57.5 MW. 53 MW. 51.61 MW. 52 MW. 57.5 MW. 53 MW. 51.61 MW. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive sequence reactance will be equal to negative sequence if the equipment is generator. motor. none of these. transformer and transmission lines. generator. motor. none of these. transformer and transmission lines. ANSWER DOWNLOAD EXAMIANS APP
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