基于扩张状态观测器的SVC非线性变结构控制  

Nonlinear variable structure SVC control based on extended-states-observer

作　　者：康忠健[1] 孟繁玉[2] 

机构地区：[1]中国石油大学(华东)电气工程系,山东东营257061 [2]山东理工大学电气工程系,山东淄博255049

出　　处：《继电器》2007年第22期10-13,共4页Relay

摘　　要：针对电力系统的强非线性和不确定性,将自抗扰控制技术引入变结构控制器的设计,设计了能同时改善电力系统功角稳定和装设点电压动态特性的静止无功补偿(SVC)控制器,所得的控制规律与系统运行点和网络结构完全无关。仿真结果表明所提出的非线性变结构SVC控制器能有效地改善系统的动态稳定性。As for the strong nonlinear and uncertain characteristic of the power system, based on the Extended-States-Observer and the variable structure control a nonlinear robust variable structure controller for Static Var Compensator（SVC）, which can improve power angle stability ofpower system and local voltage characteristics of SVC, is proposed in the paper. The controller is robust to the change of network parameters and working point of system, The simulation suggests that the nonlinear robust variable structure controller can improve dynamic stability of power system effectively.

关 键 词：静止秀功补偿器 变结构控制 扩张状态观测器 

分 类 号：TM761.1[电气工程—电力系统及自动化]