电网技术Issue(5)：1317-1321,5.DOI:10.13335/j.1000-3673.pst.2014.05.029
基于滞环SVPWM的有源电力滤波器故障容错方法
A Fault-Tolerance Method for Hysteresis SVPWM Based Active Power Filter
摘要
Abstract
To improve the fault tolerance ability of active power filter (APF), a hysteresis space vector pulse width modulation (SVPWM) strategy based fault tolerance method is proposed, that is, when inverter failure happens, the resultant vector of available voltage vector under fault condition is used to equivalently substitute the voltage vector selected by original control algorithm to ensure APF enable to keep working under fault condition. The essence of the proposed method is to perform tolerant control on the basis of original control algorithm, so the spare tolerant algorithm is not needed, thus the calculated amount is reduced. Besides, the values of voltage reference and impedance parameter are not to be estimated accurately, therefore the affect due to parameter estimation error can be overcome and the decoupling control of parameters can be implemented to enhance operational reliability of APF obviously. The effectiveness of the proposed method is validated by results of simulation and experiments.关键词
有源电力滤波器/故障/容错/滞环/空间矢量脉宽调制Key words
APF/fault/tolerance/hysteresis/SVPWM分类
信息技术与安全科学引用本文复制引用
李国华,汪玉凤,高小朋,宋雪萍,刘阳..基于滞环SVPWM的有源电力滤波器故障容错方法[J].电网技术,2014,(5):1317-1321,5.基金项目
国家自然科学基金项目(51307076)。Project Supported by National Natural Science Foundation of China(51307076)． （51307076）
