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In this paper, an economic power dispatch problem is considered for smart grids. Firstly, the power dispatch problem is described by a constrained optimization problem, which is solved by Lagrange multiplier and Karush-Kuhn-Tucker condition. The incremental costs of generators are shown to reach consensus when the optimization problem is solved. Secondly, a new dynamic dispatch strategy is proposed...
Microgrid plays an important role in the connection of distributed generation (DG) and power grid. Optimized operation of microgrid is an important aspect of in the research and development of microgrid. And an improved gravitational search algorithm (IGSA) is proposed to settle this problem. Gravitational search algorithm (GSA) is a new intelligent optimization algorithm, which has powerful global...
This paper proposed a new approach combining priority list (PL) with binary particle swarm optimization (BPSO) to solve unit commitment (UC) problem. At first, PL method was used to determine the initial UC, and then the optimization window was determined according to the results, at last the BPSO method was adopted to solve the UC problem within the window. The window is to reduce the computing time...
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