AE-JE Foundation EE : Power Systems Quiz - 2

Two generator supplying a load of 1000 MW. In ore mental cost causes are shown in figure with limits. For economic load dispatch generation schedule is

Per unit energy cost

Two power plants interconnected by a tie-line as shown in the below figure have loss formula coefficient B₁₁ = 10^–3 MW^–1. Power is being dispatched economically with plant ‘1’ as 100 MW and plant ‘2’ as 125 MW. The penality factor for plants 1 and 2 are respectively.

The power generated by two plants are:

P_a1 = 50 MW, P_a2 = 40 MW

If the loss coefficients are B₁₁ = 0.001, B₂₂ = 0.0025 and B₁₂ = – 0.0005 then the power loss will be

If the penalty factor of a plant is 2, its incremented transmission loss will be

Statement I: Unit commitment problem must be solved by doing economic load dispatch

Statement II: Economic scheduling involves only those generating units are allotted by unit commitment problem during the problem.

Two plants are supplying a load of 200 MW. The fuel inputs per hours of plant land plant 2 are given as

F₁ = 0.25 P₁²+35 P₁+100 Rs/hr

F₂ = 0.3 P₂² +25 P₂+120 Rs/hr

The cost of generation corresponding to economic operating schedule is