Power Systems Which of the following methods is/are used for reactive or voltage compensation All of these series capacitor generation excitation control shunt capacitor All of these series capacitor generation excitation control shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching? Air blast CB. Vacuum CB. SF6 CB. Oil CB. Air blast CB. Vacuum CB. SF6 CB. Oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An hydro-graph indicates All of these the average run off during the period. the maximum and minimum run off during the period. the discharge at any time during the period under consideration. All of these the average run off during the period. the maximum and minimum run off during the period. the discharge at any time during the period under consideration. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? -0.76 Hz -0.85 Hz 0.76 Hz 0.85 Hz -0.76 Hz -0.85 Hz 0.76 Hz 0.85 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect occurs under no load full load half load any of the above no load full load half load any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro power plant of run off river type should be provided with pondage so that the operating head is controlled. pressure inside the turbine casing remains. kinetic energy of the running water is fully utilized. firm capacity of plant is increased. operating head is controlled. pressure inside the turbine casing remains. kinetic energy of the running water is fully utilized. firm capacity of plant is increased. ANSWER DOWNLOAD EXAMIANS APP
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