基于SDM混合反馈线性化H_∞方法的STATCOM系统鲁棒控制器设计  

Nonlinear Robust Controller Design for STATCOM Machine Infinite System Based on SDM Hybrid Feedback Linearization H_∞ Method

作　　者：胡益[1] 王奔[1] 马明智[1] 

机构地区：[1]西南交通大学电气工程学院,四川成都610031

出　　处：《现代电力》2014年第5期37-42,共6页Modern Electric Power

摘　　要：根据具有静止同步补偿器(STATCOM)的单机无穷大电力系统的特点,提出一种新的非线性控制器的设计方法。首先构建了系统的四阶仿射非线性系统数学模型,在鲁棒H∞控制方法的基础上,使用SDM混合反馈线性H∞方法设计出系统的非线性控制器;然后利用MATLAB鲁棒控制工具箱,通过解得Riccati方程得到控制器的具体控制参数;最后通过系统的对比仿真结果,验证了该控制器在提高系统暂态稳定性上的有效性和优越性。According to the characteristics of single-machine infinite power system with static synchronous compensator （STATCOM）, a new nonlinear controller design method is proposed in this paper. Firstly, the fourth-order affine non- linear mathematical model of this system is built, and the nonlinear controller is designed by using of SDM hybrid feedback linearization H∞ method based on robust H∞ con- trol method. Then detail control parameters of controller are obtained by solving Riccati equations that are established by MATLAB Robust Control Toolboxes. In the end, it can be seen from comparison of simulation results that the con- troller has effectiveness and superiority on improving system transient stability.

关 键 词：静止同步补偿器 单机无穷大系统 SDM混合反馈线性化H∞方法 RICCATI方程 

分 类 号：TM761.1[电气工程—电力系统及自动化]