电工技术学报2017,Vol.32Issue(14):45-55,11.DOI:10.19595/j.cnki.1000-6753.tces.170632
基于傅里叶级数的多时间尺度同步旋转坐标系电流跟踪控制方案
Multi-Time Scale Synchronous Rotating Frame Using Fourier Series for Harmonic Current Control
摘要
Abstract
An active power filter (APF) can compensate harmonic currents with different orders. However, the compensating accuracy for different order harmonics varies largely based on one time scale controlling method. A novel zero steady-state error current control strategy for shunt active power filters (APF) is proposed based on Fourier series (FS) using multi-time scale synchronous rotating frame. Compared to general zero steady-state error control algorithm, such as proportional-resonant (PR) and vector PI (VPI) control, the proposed strategy weakens system frequency shift effect and enhances anti-interference ability. With a mathematical model, the open-loop and close-loop transfer functions of a control system are analysed in detail based on FS. Simulation and experimental results have verified the proposed current control strategy.关键词
傅里叶级数/同步旋转坐标系/谐波电流控制Key words
Fourier series (FS)/synchronous rotating frame/harmonic current control分类
信息技术与安全科学引用本文复制引用
任磊,姜齐荣..基于傅里叶级数的多时间尺度同步旋转坐标系电流跟踪控制方案[J].电工技术学报,2017,32(14):45-55,11.基金项目
国家自然科学基金重大项目资助(51490680,51490683). (51490680,51490683)