Power Systems Capacitance voltage transformer ( CVT ) is used to reduce losses in a transmission line. connect instruments on the LT side. improve the power factor of the transmission. none of these. reduce losses in a transmission line. connect instruments on the LT side. improve the power factor of the transmission. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1.13 1 1.25 0.89 1.13 1 1.25 0.89 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is 555×555 553×553 554×554 540×540 555×555 553×553 554×554 540×540 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 132 kV system, the reactance and capacitance up to the location of the CB is 3 Ω and 0.015 μF respectively. The maximum value of RRRV is 10.01 kV / μs. 12.2 kV / μs. 9.01 kV / μs. 2.0 kV / μs. 10.01 kV / μs. 12.2 kV / μs. 9.01 kV / μs. 2.0 kV / μs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona loss is ----------------- on hilly areas than as plain areas. more remain same None of these less more remain same None of these less ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed ( NS ) of turbine is given by none of these. N√( P ) / H1.25. P√( N ) / H3/2. N√( P ) / H2/3. none of these. N√( P ) / H1.25. P√( N ) / H3/2. N√( P ) / H2/3. ANSWER DOWNLOAD EXAMIANS APP