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Improved Valve-Point Optimization Algorithm for Economic Load Dispatch Problem with Non-convex Fuel Cost Function
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 Title & Authors
Improved Valve-Point Optimization Algorithm for Economic Load Dispatch Problem with Non-convex Fuel Cost Function
Lee, Sang-Un;
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 Abstract
There is no polynomial-time algorithm that can be obtain the optimal solution for economic load dispatch problem with non-convex fuel cost functions. Therefore, electrical field uses quadratic fuel cost function unavoidably. This paper proposes a valve-point optimization (VPO) algorithm for economic load dispatch problem with non-convex fuel cost functions. This algorithm sets the initial values to maximum powers for each generator. It then reduces the generation power of generator i with an average power cost of to a valve point power . The proposed algorithm has been found to perform better than the extant heuristic methods when applied to 13 and 40-generator benchmark data. This paper consequently proves that the optimal solution to economic load dispatch problem with non-convex fuel cost functions converges to the valve-point power of each generator.
 Keywords
Economic Dispatch;Optimization;Valve-effect;Valve-point;
 Language
Korean
 Cited by
1.
밸브지점 균형과 교환 최적화 방법을 적용한 동적경제급전문제,이상운;

한국인터넷방송통신학회논문지, 2016. vol.16. 1, pp.253-262 crossref(new window)
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