Power Systems A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency? 15 MW 10 MW 5 MW 20 MW 15 MW 10 MW 5 MW 20 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Due to proximity effect, the increase in conductor resistance is not negligible in underground cable communication lines overhead transmission lines All of these underground cable communication lines overhead transmission lines All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? current transformer circuit breaker CVT lightning arrester current transformer circuit breaker CVT lightning arrester ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for protection of medium lines. short lines. long lines. none of these. medium lines. short lines. long lines. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earth fault relay uses the which of the following sequence currents? negative sequence zero sequence positive sequence any of the above negative sequence zero sequence positive sequence any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as shunt capacitor any of the above medium transmission line long transmission line shunt capacitor any of the above medium transmission line long transmission line ANSWER DOWNLOAD EXAMIANS APP
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