Terminal滑模变结构励磁控制设计及仿真研究  

Design and simulation study on Terminal sliding mode variable structure excitation control

作　　者：曾正[1,2] 刘涤尘[2] 廖清芬[2] 向农[2] 袁荣湘[2] 

机构地区：[1]浙江大学电气工程学院,浙江杭州310027 [2]武汉大学电气工程学院,湖北武汉430072

出　　处：《电力系统保护与控制》2010年第23期1-5,59,共6页Power System Protection and Control

基　　金：国家自然科学基金资助项目(50677046);国家电网公司特高压适应性科技项目(2008-416)~~

摘　　要：基于Terminal滑模变结构控制,提出了一种新的励磁控制器设计策略。给出了其设计过程,计算了其到达时间,证明了其稳定性。该励磁控制策略以微分几何精确反馈线性化为理论基础,可以推广到多机系统的分散励磁控制中。以线性最优励磁控制器为参照,利用一典型单机无穷大系统,进行了多种扰动下的仿真校验。仿真结果验证了所提励磁控制策略的稳定性和鲁棒性,此外,还发现该控制策略能明显提高系统的电压、功角、频率稳定性。A novel design strategy for excitation controller is proposed based on Terminal sliding mode variable structure control. The design process is presented, the arrival time is calculated, in addition, the stability of the controller is proved. Because its theoretical foundation is differential geometry, it can be extended to separate excitation control of multi-machine system easily according to exact feedback linearization method in diffet＇ential geometry. Compared with linear optimal excitation control, the simulation with a variety of disturbance is done based on a typical single machine to infinite-bus system. The simulation results verify the stability and robustness of the control strategy proposed. The results also show that it can improve the stability of system in voltage, power angle, and frequency aspects. l

关 键 词：Terminal滑模变结构控制 励磁控制 微分几何 精确反馈线性化 线性最优控制 

分 类 号：TM571[电气工程—电器]