一种并联有源电力滤波器的复合控制方法研究  

The Research of Combined Control Method for a Shunt Active Power Filter

作　　者：伍海军[1] 申群太[1] 

机构地区：[1]中南大学信息科学与工程学院

出　　处：《变频器世界》2011年第7期105-108,共4页The World of Inverters

摘　　要：在采用并联有源电力滤波器来消除电网谐波时,由于其滤波器的检测精度、指令电流计算延时等原因,一般的控制方法很难达到理想的滤波效果。因此,本文提出了基于常规PI控制和重复控制的复合控制方法,能使系统获得很好的静态性能和动态性能。仿真实验表明,这种控制方法实现相对比较简单,在响应速度和控制精度上都具有一定的优势,且能有效地对周期变化的信号进行控制,有效地提高了系统的滤波性能、鲁棒性和抗干扰能力,能够满足高压、大容量的电力有源滤波系统的要求。The use of shunt active power filter to eliminate harmonic, due to the influences of detection accuracy, time delay of instruction current calculation and so on. The general control is very difficult to achieve the desired filtering effect. Therefore, this paper presents the combined control method which based on the conventional PI control and repetitive control can make the system get a good static and dynamic performance. Simulation results show that the proposed one is simpler and easier realization, the shorter response time and higher control precision is also the advantages of it, and can effectively control the signal cycle, enhance the system of filtering performance, robustness and anti-jamming capability, and meet the harmonic suppressing requirement of the APF controller.

关 键 词：并联有源电力滤波器 PI控制 重复控制 

分 类 号：TN713[电子电信—电路与系统]