Power Systems Condition for zero voltage regulation is tanφ = R/X cosφ = X/R tanφ = X/R cosφ = R/X tanφ = R/X cosφ = X/R tanφ = X/R cosφ = R/X 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? LLLG. LLG. LG. LL. LLLG. LLG. LG. LL. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of modern EHV is designed based on switching voltage. RI. lightning voltage. corona. switching voltage. RI. lightning voltage. corona. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against over currents due to lightning stroke. over voltages due to indirect lightning stroke. power frequency of over voltages. direct strokes of lightning. over currents due to lightning stroke. over voltages due to indirect lightning stroke. power frequency of over voltages. direct strokes of lightning. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the breakdown voltage of the insulator is high, the thickness of the insulator is None of these it does not related to breakdown voltage high less None of these it does not related to breakdown voltage high less ANSWER DOWNLOAD EXAMIANS APP
Power Systems For transmission line which one of the following relation is true? AD - BC = 0 AD - BC = 1 AD - BC = -1 AD + BC = 0 AD - BC = 0 AD - BC = 1 AD - BC = -1 AD + BC = 0 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS