Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (1 + j2 ) pu (0.5 + j1 ) pu (2 + j4 ) pu (4 + j8 ) pu (1 + j2 ) pu (0.5 + j1 ) pu (2 + j4 ) pu (4 + j8 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? switching over voltage lighting voltage radio interference skin effect switching over voltage lighting voltage radio interference skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power station that does not requier any moving part is Wind power generation. Solar power generation. Tidal power generation. Thermonic convertor. Wind power generation. Solar power generation. Tidal power generation. Thermonic convertor. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most commonly used material for insulators of overhead lines is glass porcelain mica PVC glass porcelain mica PVC ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect depends on relative permeability frequency All of these distance between the conductors relative permeability frequency All of these distance between the conductors ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation? 0.8 lag and 0.6 lead 0.8 lag and 0.8 lead 0.6 lag and 0.6 lead 0.6 lag and 0.8 lead 0.8 lag and 0.6 lead 0.8 lag and 0.8 lead 0.6 lag and 0.6 lead 0.6 lag and 0.8 lead ANSWER DOWNLOAD EXAMIANS APP
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