Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 750 MW 1000 MW 1250 MW 1500 MW 750 MW 1000 MW 1250 MW 1500 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of short transmission line is up to any of the above 40 km 150 km 80 km any of the above 40 km 150 km 80 km ANSWER DOWNLOAD EXAMIANS APP
Power Systems Merze price current scheme protection is used in bus bars. transformer. both A and B. alternator. bus bars. transformer. both A and B. alternator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer? delta-star star-star delta-delta star-delta delta-star star-star delta-delta star-delta ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most commonly used material for insulators of overhead lines is mica PVC porcelain glass mica PVC porcelain glass 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 0.76 Hz -0.85 Hz 0.85 Hz -0.76 Hz 0.76 Hz -0.85 Hz 0.85 Hz ANSWER DOWNLOAD EXAMIANS APP
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