A Constraint Handling Method for Economic Dispatch
A technology of economic scheduling and processing methods, applied in the field of economic scheduling of power systems, can solve problems affecting solution efficiency and convergence, and equality constraints cannot be satisfied, so as to improve solution efficiency and solution accuracy, promote solution efficiency, and achieve superiority Effect
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[0058] The present invention will be further described below in conjunction with accompanying drawing:
[0059] The constraint processing method of the economic scheduling described in the present invention, such as figure 2 shown, including the following steps:
[0060] Step 1, establish an economic dispatch model, including its objective function and constraints;
[0061] a. Establish the objective function
[0062] In the case of satisfying the constraint conditions, the objective function is to minimize the total power generation cost of the generator set, and its mathematical expression is as follows:
[0063]
[0064] (1) In the formula, P i is the output power of unit i; a i ,b i ,c i is the cost coefficient of unit i; N is the total number of units;
[0065] b. Set the constraint conditions of the model, which include system power balance constraints and conventional unit output upper and lower limits;
[0066] The specific constraints are:
[0067] 1) Sys...
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