基于无源系统理论的励磁系统非线性最优控制  

NONLINEAR OPTIMAL CONTROL OF EXCITATION SYSTEMS BASED ON THE PASSIVATION SYSTEM THEORY

作　　者：王智涛[1] 梅生伟[1] 

机构地区：[1]清华大学电机系,北京100084

出　　处：《电力系统自动化》2000年第22期5-8,共4页Automation of Electric Power Systems

基　　金：国家重点基础研究专项经费资助项目! (G1 9980 2 0 30 9);国家自然科学基金资助项目! (598372 70 )

摘　　要：简要介绍了无源系统理论及无源最优控制方法。针对具有励磁控制的单机无穷大输电系统 ,求出其存储函数 ,并根据输出反馈无源定理 ,构造了系统关于一类二次性能指标下的非线性最优控制规律。仿真结果证明了该控制器的有效性。由于在控制器设计过程中未用到任何线性化方法 ,因而能够完整地保留系统的非线性特性。因此 。The paper briefly introduces the passivation system theory and the passive optimal control approach.Then,the storage function for one- machine infinite bus system with the excitation system is constructed.By use of the output feedback passive theory,the nonlinear optimal control law under a type of quadric- performance is obtained.Simulation results show the effectiveness of the proposed control law.Further,the system design process completely keeps the system's nonlinear characteristics as no linearization technique is used here.Therefore,a new way has been found to get the optimal control for a nonlinear power system in terms of the passivation system theory and the passivation control.

关 键 词：最优控制 无源系统理论 电力系统 励磁系统 

分 类 号：TM76[电气工程—电力系统及自动化]