基于模糊PID的混合储能技术在微电网中的应用

基于成本和控制效果考虑，单一的储能元件无法抑制全频段的功率波动，普通的协控制策略又无法实现实时调节参数以适应微电网随环境的变化，本文提出将基于模糊PID的混合储能的技术应用到微电网中，先从系统的构成和工作原理出发，分析混合储能技术在微电网中的应用，而后根据系统的构成和数学模型提出基于模糊PID的协调控制策略，并将此策略应用到光伏系统的仿真中，根据仿真结果的对比分析，系统的输出功率波动得到更好的抑制，储能元件有更好的运行特性，体现了该种方法的优越性。

The Study of Fuzzy PID Hybrid Energy Storage Technology

Consideration the cost and control effect, a single energy storage element cannot suppress the full-band power fluctuations and a common control strategy is unable to achieve real-time tuning parameters to accommodate changes in the environment with micro-grid. This article proposes a hybrid energy storage technology based on fuzzy PID which is applied to the micro-grid. According to the system＇s structure and working principle, the application of hybrid energy storage tech- nology in micro-grid is analyzed. Then based on system configuration and mathematical model, a coordinated control strategy based on fuzzy PID is proposed and applied to the simulation of photovoltaic systems. According to the simulation results of the comparative analysis, the system output power fluctuations have been better suppression, energy storage element has a better operating characteristics, which reflects the superiority of this method.