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针对风电机组、光伏单元及电力负荷的动态随机特性,将随机特性分为规律变化部分和随机扰动部分,构建了储能系统的充放电模型、微网系统的随机模拟优化控制模型(包括并网运行模型和孤岛运行模型),通过案例分析获得了随机的风光出力曲线和负荷曲线,并进行了并网和孤岛运行两种优化控制的模拟控制仿真,优化效果很好,验证了控制策略的可行性。
According to the dynamic random characteristics of wind turbine, photovoltaic unit and power load, the random characteristics are divided into regular changes and stochastic disturbances, and the charge-discharge model of energy storage system is constructed. The stochastic simulation optimization control model of micro-grid system Operation model and islanding operation model). Through the case analysis, the random scenery output curve and load curve are obtained, and the simulation control simulation of two kinds of optimal control such as grid connection and islanding operation are carried out. The optimization effect is very good and the feasibility of the control strategy is verified Sex.