Power Systems Stock bridge dampers are used to reduce the vibrations at the point of support increase the sag reduce the tension All of these reduce the vibrations at the point of support increase the sag reduce the tension All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 5 MW 10 MW 18 MW 9 MW 5 MW 10 MW 18 MW 9 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 1 pu 0.4 pu 0.8 pu 0.5 pu 1 pu 0.4 pu 0.8 pu 0.5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 28 Ω 40 Ω 52 Ω 33 Ω 28 Ω 40 Ω 52 Ω 33 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.30 0.60 0.0030 0.0060 0.30 0.60 0.0030 0.0060 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? In case of parallel transmission lines both 1 and 3 fault current reduces stability increases fault current increases both 1 and 3 fault current reduces stability increases fault current increases ANSWER DOWNLOAD EXAMIANS APP
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