Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? -0.56 0.92 -0.92 0.56 -0.56 0.92 -0.92 0.56 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of re-striking voltage is dependent upon inductance of the system only resistance of the system only capacitance of the system only both 1 and 2 inductance of the system only resistance of the system only capacitance of the system only both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a two plant system, the load is connected to plant number 2. The loss coefficients are B11 is non zero,B22 = B12 = 0 B11,B12 are non zero ,B22 = 0 B11,B22,B12 are non zeros B11,B22 are non zero,B12 = 0 B11 is non zero,B22 = B12 = 0 B11,B12 are non zero ,B22 = 0 B11,B22,B12 are non zeros B11,B22 are non zero,B12 = 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is unity. lagging. zero. leading. unity. lagging. zero. leading. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is 0.025 mH/Km 0.1 mH/Km 0 mH/Km 0.05 mH/Km 0.025 mH/Km 0.1 mH/Km 0 mH/Km 0.05 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for the protection of no length criterion. long transmission lines. short length lines. medium length lines. no length criterion. long transmission lines. short length lines. medium length lines. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS