重庆理工大学学报(自然科学版)2017,Vol.31Issue(5):148-155,8.DOI:10.3969/j.issn.1674-8425(z).2017.05.025
模糊PI控制的三相四桥臂有源电力滤波器
Three-Phase Four-Leg Active Power Filter Based on Fuzzy PI Controller
摘要
Abstract
Aiming at the problem that PI parameters of active power filter (APF) are difficult to adjust, a design method of PI controller based on fuzzy theory is proposed.The fuzzy PI controller applies a fuzzy control algorithm to traditional PI controller, which reduces the difficulty of adjusting the PI parameters.Theoretical analysis and simulation results show that the fuzzy PI controller has the following advantages.Firstly, it has easy access to the PI parameters.Secondly, compared with a traditional PI controller, it has better dynamic and static performance.Thirdly, it can make APF obtain better performance in harmonics and reactive current compensation.Fourthly, it can track the capacitive voltage without steady-state error when grid voltage changes.关键词
三相四桥臂/有源电力滤波器/模糊理论/模糊PI控制器/PI参数Key words
three-phase four-leg/active power filter/fuzzy theory/fuzzy PI controller/PI parameters分类
信息技术与安全科学引用本文复制引用
李晓,李山..模糊PI控制的三相四桥臂有源电力滤波器[J].重庆理工大学学报(自然科学版),2017,31(5):148-155,8.基金项目
重庆市科委基础科学与前沿技术研究一般资助项目(cstc2016jcyjA0324,cstc2015jcyjA70013) (cstc2016jcyjA0324,cstc2015jcyjA70013)