Power Systems The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is 5. 55.1. 20. 10. 5. 55.1. 20. 10. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 750 MW 500 MW 1250 MW 250 MW 750 MW 500 MW 1250 MW 250 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 15% 85% 11.8% 88.2% 15% 85% 11.8% 88.2% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against over currents due to lightning stroke. over voltages due to indirect lightning stroke. direct strokes of lightning. power frequency of over voltages. over currents due to lightning stroke. over voltages due to indirect lightning stroke. direct strokes of lightning. power frequency of over voltages. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Radio interference occur in telecommunication line due to electro static induction nether 1 nor 2 electro magnetic induction both 1 and 2 electro static induction nether 1 nor 2 electro magnetic induction both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Units of incremental cost is Rs/hr Rs/MWhr RsMW/hr MWhr/Rs Rs/hr Rs/MWhr RsMW/hr MWhr/Rs ANSWER DOWNLOAD EXAMIANS APP
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