Power Systems The main objectives of electrical power transmission is/are nether 1 nor 2 both 1 and 2 Transmission system must be more efficient with minimum line losses Voltage regulation of the transmission line must be zero or minimum nether 1 nor 2 both 1 and 2 Transmission system must be more efficient with minimum line losses Voltage regulation of the transmission line must be zero or minimum ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is operating under no load has ABCD parameters B = 100∠90° has a phase shift of 0.2 rad, how much shunt reactor is required for compensation of ferranti effect? 2 mH 2 H 15.9 H 15.9 mH 2 mH 2 H 15.9 H 15.9 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making current is a------------ value? RMS peak value average any of the above RMS peak value average any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflection coefficient of voltage is Rv (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Over voltage Failure of excitation Failure of prime mover of the generator All of these Over voltage Failure of excitation Failure of prime mover of the generator All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is a reaction turbines Pelton turbine and Francis turbine. None of these. Francis turbine and Kaplan turbine. Kaplan and Pelton turbine. Pelton turbine and Francis turbine. None of these. Francis turbine and Kaplan turbine. Kaplan and Pelton turbine. ANSWER DOWNLOAD EXAMIANS APP