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? -0.92 -0.56 0.56 0.92 -0.92 -0.56 0.56 0.92 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For transmission line which one of the following relation is true? AD - BC = 0 AD + BC = 0 AD - BC = 1 AD - BC = -1 AD - BC = 0 AD + BC = 0 AD - BC = 1 AD - BC = -1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Objectives of power system is/are both 1 and 2 nether 1 nor 2 Cost of electrical energy per KWh is to be minimum Rated voltage and frequency has to be supplied to the consumers both 1 and 2 nether 1 nor 2 Cost of electrical energy per KWh is to be minimum Rated voltage and frequency has to be supplied to the consumers ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 2500 A 100 A 200 A 250 A 2500 A 100 A 200 A 250 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems The internal flux linkage due to internal flux of a conductor is I/4*10-7 wb-T/m All of these I/6*10-7 wb-T/m I/2*10-7 wb-T/m I/4*10-7 wb-T/m All of these I/6*10-7 wb-T/m I/2*10-7 wb-T/m ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power output of a nuclear power station is proportional to square root of the rate at which fission reaction occurs. none of above. the rate at which fission reaction occurs. square of the rate at which fission reaction occurs. square root of the rate at which fission reaction occurs. none of above. the rate at which fission reaction occurs. square of the rate at which fission reaction occurs. ANSWER DOWNLOAD EXAMIANS APP
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