Power Systems Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively? 2 and 5 pu 3 and 1 pu 2 and 2 pu 1 and 3 pu 2 and 5 pu 3 and 1 pu 2 and 2 pu 1 and 3 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading (SIL) is represented by Vph²/Zs both 1 and 2 Vl²/Zs Vl²*√(C/L) Vph²/Zs both 1 and 2 Vl²/Zs Vl²*√(C/L) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce proximity effect skin effect radio interference ferranti effect proximity effect skin effect radio interference ferranti effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 100, 10 100, 0.4 4, 0.4 4, 10 100, 10 100, 0.4 4, 0.4 4, 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are made up of which material? silver silicon oxide any of the above copper silver silicon oxide any of the above copper ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power station that does not requier any moving part is Tidal power generation. Solar power generation. Wind power generation. Thermonic convertor. Tidal power generation. Solar power generation. Wind power generation. Thermonic convertor. ANSWER DOWNLOAD EXAMIANS APP
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