含风光发电的互联电力系统自动发电控制

Automatic generation control of interconnected power system including photovoltaic and wind power generation

建立了一种两区域互联电力系统的自动发电控制模型,该系统由光伏发电系统、风力发电系统和火力发电系统构成。采用引导烟花算法优化控制器参数,各区域均设计比例积分微分控制器、遗传算法比例积分微分控制器、引导烟花算法比例积分微分控制器,调节火电输出功率,保持发电功率与负荷功率平衡。在阶跃负荷扰动、新能源发电波动和参数变化扰动情况下对系统进行仿真分析,所设计的基于烟花算法的比例积分微分控制器表现出了良好的控制效果,且在标称条件下得到的控制器参数具有足够的鲁棒性。

An automatic generation control model of two-area interconnected power system is established,which is composed of photovoltaic power generation system,wind power generation system and thermal power generation system.Guided firework algorithm is used to optimize the controller parameters.Proportional integral differential controller,genetic algorithm proportional integral differential controller and guided firework algorithm proportional integral differential controller are designed in each region to adjust the output power of thermal power and maintain the balance between power generation and load power.In the case of step load disturbance,new energy generation fluctuation and parameter variation disturbance,simulation analysis of the system is carried out.The proposed guided firework algorithm proportional integral differential controller shows good control effect,and the controller parameters obtained under nominal conditions are robust enough.