Power Systems A power station has a maximum demand of 15000 kW. The annual load factor is 50% and plant capacity factor is 40%. What is the reserve capacity of the plant? 7500 kW 6000 kW 3000 kW 3750 kW 7500 kW 6000 kW 3000 kW 3750 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical disruptive voltage is a voltage at which both 1 and 2 nether 1 nor 2 corona is visible with blue or violet colour corona is just initiated both 1 and 2 nether 1 nor 2 corona is visible with blue or violet colour corona is just initiated ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are Area of cross section and volume of the conductor is reduced All of these Power transfer capability of the transmission line is increased Transmission line losses are reduced Area of cross section and volume of the conductor is reduced All of these Power transfer capability of the transmission line is increased Transmission line losses are reduced ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power plants the size of coal after crushing 200 - 205 mm. 20 - 25 mm. 40 mm. 300 mm. 200 - 205 mm. 20 - 25 mm. 40 mm. 300 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Incremental cost of two generators Ic1 = 0.2 P1+60, Ic2 = 0.3 P2+40 and the ratings of the generator are 150 and 250 MW. Find the load sharing of each generator for a load of 200 MW? P1 = 100 MW, P2 = 100 MW P1 = 120 MW, P2 = 80 MW P1 = 80 MW, P2 = 120 MW P1 = 60 MW, P2 = 140 MW P1 = 100 MW, P2 = 100 MW P1 = 120 MW, P2 = 80 MW P1 = 80 MW, P2 = 120 MW P1 = 60 MW, P2 = 140 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (1 + j2 ) pu (2 + j4 ) pu (4 + j8 ) pu (0.5 + j1 ) pu (1 + j2 ) pu (2 + j4 ) pu (4 + j8 ) pu (0.5 + j1 ) pu ANSWER DOWNLOAD EXAMIANS APP
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