基于辩识模型的自动电压调节器  

AN AUTOMATIC VOLTAGE REGULATOR USING IDENTIFIED MODELS

作　　者：陈干平[1] 秦翼鸿[1] 徐国禹[1] 

机构地区：[1]重庆大学电气工程系

出　　处：《重庆大学学报（自然科学版）》1989年第4期55-62,共8页Journal of Chongqing University

基　　金：国家自然科学基金资助项目

摘　　要：本文利用参数辩识的思想对一单机无穷大电力系统进行辩识以获得其数学模型,同时在辩识过程中考虑了噪声的影响,从而使得到的模型更能准确地反映实际系统。在辩识模型的基础上按最小方差控制原理设计了一离散型自动电压调节器。为避免出现静态偏差,采用了离散最小方差控制与连续积分控制相结合的方式,收到了良好的效果。这种控制方式实现非常简单。仿真结果表明,在各种情况下其性能均优于常规PI调节器,因此具有较高的实用价值。This paper obtains the mathematical model of a single machine infinite bus power system using the idea of parameter identifications. Because the noise is considered in parameter identification process, the model reflects the real system more exactly. On the base of the identified model this paper also presents a discrete automatic voltage regulator by minimum variance control principles. In order to avoid the static error, we combine discrete minimum variance control with continuous integral control and get very satisfactory effects. This proposed control strategy is very easy to realize. The simulation results show that in every case the dynamic qualities of the proposed control strategy are incomparably superior to that of the conventional PI regulator, which means the proposed control strategy has great practical values.

关 键 词：电力系统 自动 电压 调节器 模型 

分 类 号：TM761[电气工程—电力系统及自动化]