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This paper develops an economic dispatch algorithm for the determination of the global or near global optimum dispatch solution. The algorithm is based on the simulated annealing technique. In the algorithm, the load balance constraint and the operating limit constraints of the generators are fully accounted for. In the development of the algorithm, transmission losses are first discounted and they are subsequently incorporated in the algorithm through the use of the B-matrix loss formula. The algorithm is demonstrated by its application to a test system. The results determined by the new algorithm are compared to those found by dynamic programming with a zoom feature.
Inspec keywords: power system analysis computing; power system control; matrix algebra; control system analysis computing; simulated annealing; load dispatching; optimal control; digital simulation; economics
Other keywords: load dispatching; power system control; operating limit constraints; global optimum dispatch; load balance constraint; transmission losses; optimal control; simulated annealing; economic dispatch; algorithm; B-matrix loss formula; digital simulation
Subjects: Control system analysis and synthesis methods; Optimisation; Algebra; Power engineering computing; Optimisation techniques; Algebra; Control system design and analysis; Optimal control; Control of electric power systems; Optimisation techniques; Power system management, operation and economics