Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 0.2 pu 0.5 pu 4 pu 2 pu 0.2 pu 0.5 pu 4 pu 2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer capability of transmission line can be increased by Using series capacitance Parallel transmission lines All of these Using bundled conductors Using series capacitance Parallel transmission lines All of these Using bundled conductors ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is lightly loaded The line is fully loaded The line is heavily loaded The power factor is unity The line is lightly loaded The line is fully loaded The line is heavily loaded The power factor is unity ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments? 33 to 50 kV 25 to 35 kV 31.35 to 34.65 kV any voltage above 33 kV 33 to 50 kV 25 to 35 kV 31.35 to 34.65 kV any voltage above 33 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The equation of area control error(ACE) is 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 ACE = ΔPtie + b.Δf ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 25 Ω 1000 Ω 500 Ω 250 Ω 25 Ω 1000 Ω 500 Ω 250 Ω ANSWER DOWNLOAD EXAMIANS APP
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