Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 20160 J. 23060 J. 25060 J. 20060 J. 20160 J. 23060 J. 25060 J. 20060 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation shunt capacitor All of these series capacitor generation excitation control shunt capacitor All of these series capacitor generation excitation control ANSWER DOWNLOAD EXAMIANS APP
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 conductor of a 10 Km long single phase, two wire line are separated by a distance of 1.5 m the diameter of each conductor the inductance of the circuit is 23.8 mH. 21.2 mH. 25.8 mH. 23.33 mH. 23.8 mH. 21.2 mH. 25.8 mH. 23.33 mH. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reheat cycle in thermal power plant is used to improve condenser performance. increase thermal efficiency. utilize heat of flue gases. reduce loss of heat. improve condenser performance. increase thermal efficiency. utilize heat of flue gases. reduce loss of heat. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are advantages of N-R method? Applicable for large power system network Number of iterations are less both 1 and 2 Time taken for each iteration is less Applicable for large power system network Number of iterations are less both 1 and 2 Time taken for each iteration is less ANSWER DOWNLOAD EXAMIANS APP
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