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Question: question 120 marks a state the necessary conditions for the...

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Question 1(20 marks) a) State the necessary conditions for the solution to economic dispatch with capacity constraints. (3 marks) b) Three plants of total capacity 500 MW are scheduled for operation to supply a total load of 310 MW. Incremental Cost and generator limitations of the three units are given by: ds 30+0.12P 30 S P s 150 MW 20 S P S 100 MW 50 S PI S 250 MW C-40+0.2P2 dP dC-10+0.16P dP Determine: i. the incremental cost of each unit and (11 marks) ii. the distribution of loads between the three units for optimal operation (6 marks)
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