Power Systems Surge impedance loading of a transmission line can be increased by increasing its voltage level both 1 and 3 addition of lumped inductance in parallel addition of lumped capacitance in series increasing its voltage level both 1 and 3 addition of lumped inductance in parallel addition of lumped capacitance in series ANSWER DOWNLOAD EXAMIANS APP
Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 5 2000 0.22 0.4 5 2000 0.22 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The shape of the disc of an induction disc relay is elliptical. circular. spiral. none of these. elliptical. circular. spiral. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reheat cycle in thermal power plant is used to reduce loss of heat. utilize heat of flue gases. increase thermal efficiency. improve condenser performance. reduce loss of heat. utilize heat of flue gases. increase thermal efficiency. improve condenser performance. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° ℧. Find the shunt reactor required for compensating ferranti effect? 2000 Ω 500 Ω 3000 Ω 1500 Ω 2000 Ω 500 Ω 3000 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 750 MW 1250 MW 1000 MW 1500 MW 750 MW 1250 MW 1000 MW 1500 MW ANSWER DOWNLOAD EXAMIANS APP
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