Power Systems A generating station has a maximum demand of 100 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 20 MW 80 MW 15 MW 10 MW 20 MW 80 MW 15 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 20 kV 52.84 kV 83.76 kV 48.36 kV 20 kV 52.84 kV 83.76 kV 48.36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 13 10 21 20 13 10 21 20 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Differential relays does not used for which of the following faults? faults within a generator faults within a transformer through faults both 1 and 2 faults within a generator faults within a transformer through faults both 1 and 2 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 40 Ω 33 Ω 52 Ω 28 Ω 40 Ω 33 Ω 52 Ω 28 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following quantities are to be calculated for generator bus? P and V P and Q Q and δ δ and V P and V P and Q Q and δ δ and V ANSWER DOWNLOAD EXAMIANS APP
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