Power Systems The equation of area control error(ACE) is ACE = ΔPtie - b.Δf ACE = ΔPtie + b.Δf ACE = ΔPtie +1/ b.Δf ACE = ΔPtie - 1/b.Δf ACE = ΔPtie - b.Δf ACE = ΔPtie + b.Δf ACE = ΔPtie +1/ b.Δf ACE = ΔPtie - 1/b.Δf ANSWER DOWNLOAD EXAMIANS APP
Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 750 Ω 1500 Ω 3000 Ω 2000 Ω 750 Ω 1500 Ω 3000 Ω 2000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following insulator is practically used for railway crossings? string insulator strain insulator All of these pin insulator string insulator strain insulator All of these pin insulator ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deflectors are provided in Francis turbine. Kaplan turbine. propeller turbine. Pelton wheel. Francis turbine. Kaplan turbine. propeller turbine. Pelton wheel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a biased differential relay the bias is defined as the ratio of number of turns of restraining and operating coil. fault current and operating coil current. fault current and restraining coil current. operating coil current and restraining coil current. number of turns of restraining and operating coil. fault current and operating coil current. fault current and restraining coil current. operating coil current and restraining coil current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The shape of the disc of an induction disc relay is circular. elliptical. none of these. spiral. circular. elliptical. none of these. spiral. ANSWER DOWNLOAD EXAMIANS APP