Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 200 MVA 100 MVA 400 MVA 500 MVA 200 MVA 100 MVA 400 MVA 500 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following buses is/are not PV buses? voltage control buses fixed shunt capacitor buses reactive power support buses both 1 and 2 voltage control buses fixed shunt capacitor buses reactive power support buses both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power stations is mainly used to cover peak load on the system? coal based thermal power plant nuclear plant pumped storage hydro power plant gas based thermal power plant coal based thermal power plant nuclear plant pumped storage hydro power plant gas based thermal power plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Directly proportional to square root of its length. Directly proportional to its length. Inversely proportional to its length. Independent of its length. Directly proportional to square root of its length. Directly proportional to its length. Inversely proportional to its length. Independent of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for the station is 0.5 0.75 1 0.6 0.5 0.75 1 0.6 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? 3000 Ω 2000 Ω 500 Ω 1500 Ω 3000 Ω 2000 Ω 500 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
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