基于变异粒子群算法的微网群能量管理策略

Microgrid Group Energy Management Strategy Based on Variant Particle Swarm Opimization

微网群是未来微网并网的发展方向。对此,文章提出了一种基于功率交换单元和能量池的微网群结构并研究其能量优化管理问题,首先对该拓扑结构及其中的功率交换单元与能量池进行了说明。接着,推导了微网群优化的数学模型。然后,考虑经济和安全运行等指标选取了运行成本最小化为优化目标,并采用基于变异粒子群算法的优化方法求解所建立的优化模型。最后,以三个微网组成的微网群为例,对所构建的优化模型和采用的求解方法进行说明,并分析了该优化策略的应用对微网群经济性和可靠性的影响。

Microgrid group is the development direction of future microgrid integration.To this end,this paper proposes a microgrid group topology basedon power exchange unit and energy pool and researches its optimal scheduling problem.First,the topology,its power exchange unit and energy pool are explained.Then,the mathematical model of the optimization of the microgrid group is derived.Next,considering the economic and safe operation,the minimum operating cost is selected as the optimization goal,and the variant particle swarm opimization is used to solve the optimized model.Finally,the microgrid group consisting of three microgrids is taken as an example to illustrate the optimized model and the solution method used,and the effects of the application of the variant particle swarm opimization on the economy and reliability of the microgrid grooup are analyzed.