Power Systems In a two plant system, the load is connected to plant number 2. The loss coefficients are B11,B22,B12 are non zeros B11,B12 are non zero ,B22 = 0 B11 is non zero,B22 = B12 = 0 B11,B22 are non zero,B12 = 0 B11,B22,B12 are non zeros B11,B12 are non zero ,B22 = 0 B11 is non zero,B22 = B12 = 0 B11,B22 are non zero,B12 = 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An impulse turbine always operates submerged. is most suited for low head and high discharge power plants. operates by initial complete conversion to kinetic energy. makes use of a draft tube. always operates submerged. is most suited for low head and high discharge power plants. operates by initial complete conversion to kinetic energy. makes use of a draft tube. 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 -0.85 Hz 0.76 Hz -0.76 Hz 0.85 Hz -0.85 Hz 0.76 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? Bus impedance matrix is a full matrix both 1 and 2 nether 1 nor 2 Bus admittance matrix is a sparse matrix Bus impedance matrix is a full matrix both 1 and 2 nether 1 nor 2 Bus admittance matrix is a sparse matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems Consider a three phase, 50 Hz, 11 kV distribution system. Each of the conductors is suspended by an insulator string having two identical porcelain insulators. The self capacitance of the insulators is 5 times the shunt capacitance between the link and ground. Find the voltage across the two insulators V1 and V2? (V1 = Voltage of disc nearest to the conductor) V1 = 5 kV and V2 = 6 kV V1 = 2.89 kV and V2 = 3.46 kV V1 = 3.46 kV and V2 = 2.89 kV V1 = 6 kV and V2 = 5 kV V1 = 5 kV and V2 = 6 kV V1 = 2.89 kV and V2 = 3.46 kV V1 = 3.46 kV and V2 = 2.89 kV V1 = 6 kV and V2 = 5 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of None of these same in both cases power cables over head lines None of these same in both cases power cables over head lines ANSWER DOWNLOAD EXAMIANS APP
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