Journal of South China University of Technology (Natural Science Edition) ›› 2005, Vol. 33 ›› Issue (7): 74-77.

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Prediction Control Technology for Active Power Filters Based on Gray Prediction

Zhang Miao  Wu Jie   

  1. College of Electric Power,South China Univ.of Tech.,Guangzhou 510640,Guangdong,China
  • Received:2004-12-21 Online:2005-07-25 Published:2005-07-25
  • Contact: 张淼(1968-)，男，在职博士生，现任广东工业大学自动化学院副教授，主要从事电力电子技术、可再生能源应用技术的研究． E-mail:bezhangm@gdut.edu.cn
  • About author:张淼(1968-)，男，在职博士生，现任广东工业大学自动化学院副教授，主要从事电力电子技术、可再生能源应用技术的研究．
  • Supported by:

    广东省“十五”科技重大专项(A1050401)

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Abstract:

According to the inherent delay characteristic of digital active power filter(APF),a prediction control method for APF is presented based on the gray prediction,with the aim of effectively compensating the harmonic currents in nonlinear loads.Moreover,a gray prediction model for the harmonic currents is established by means of the gray system theory,which is then applied to a harm onic-compensated device for APF. As compared with the popular non-forecasting control method via simulated experiments,the proposed method is feasible.

Key words: gray system, prediction control, active power filter, harm onic