基于PI控制方法的SVC电压负反馈控制策略  

Application and Analysis based on PI Control in SVC System

作　　者：陈新亮 张大庆 

机构地区：[1]平顶山市电力公司,河南平顶山467001

出　　处：《电源技术应用》2012年第8期35-38,44,共5页Power Supply Technologles and Applications

摘　　要：简要分析了动态无功补偿器的控制原理。通过电压互感器检测电网和SVC输出电压,经运算电路按给定算法计算所需的控制信号传输至SVC电压PI调节单元,以获取控制器中采用负反馈的PI控制调节等效电纳,该方法控制灵活、适应性强。MATLAB仿真实验建模表明该方法可以提高动态无功补偿设备调节电压的速度,加速系统电压稳定过程。The principle of compensation action and control of var compensator are aralyzed briefly and the PI control system are introduced.It possesses not only the flexibility of fuzzy control, good adaptabil- ity and quickness ,but also high accuracy of control system.The method can significantly speed up the pace of voltage regulation, and speed up the process of voltage stability of the system are verified by the simulation.

关 键 词：动态无功补偿器 TCR PI控制 电压调节 电力系统稳定性 

分 类 号：TM714.3[电气工程—电力系统及自动化]