Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.60 0.0060 0.0030 0.30 0.60 0.0060 0.0030 0.30 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 53 MW. 51.61 MW. 52 MW. 57.5 MW. 53 MW. 51.61 MW. 52 MW. 57.5 MW. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For n bus power system size of Y bus matrix is (n-1)×(n-2) (n-1)×(n-1) n×n (n-2)×(n-2) (n-1)×(n-2) (n-1)×(n-1) n×n (n-2)×(n-2) ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is All of these N-R method Decoupled method G-S method All of these N-R method Decoupled method G-S method ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which corona is just initiated corona is visible with blue or violet colour None of these both 1 and 2 corona is just initiated corona is visible with blue or violet colour None of these both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power and the transmission line is compensated with a series capacitance of 0.5 Pu. Find the load angle with series capacitance compensation ? 35.5° 14.5° 29° 10.5° 35.5° 14.5° 29° 10.5° ANSWER DOWNLOAD EXAMIANS APP
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