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核聚变与等离子体物理 ›› 2015, Vol. 35 ›› Issue (1): 57-62.

• 核聚变工程技术 • 上一篇    下一篇

基于PSO 实现的级联H 桥七电平APF 在外超导电源中的研究

刘 嘉,李 俊,周海峰,刘小宁   

  1. (1. 南京工业大学自动化与电气工程学院,南京 211816;2. 中国科学院强磁场科学中心,合肥 230031)
  • 收稿日期:2014-01-09 修回日期:2014-08-04 出版日期:2015-03-15 发布日期:2015-03-13
  • 作者简介:刘嘉(1989-),男,江苏南京人,硕士研究生,研究方向为谐波抑制与无功补偿。
  • 基金资助:

    国家自然科学基金资助项目(50977086);江苏省科技支撑(工业)计划项目(BE2009166)

A cascaded H-bridge seven-level APF research in outer superconducting power based on PSO

LIU Jia, LI Jun, ZHOU Hai-feng, LIU Xiao-ning   

  1. (1. School of Automation and Electrical Engineering, Nanjing University of Technology, Nanjing 211816 2. High Magnetic Field Laboratory,Chinese Academy of Sciences, Hefei 230031)
  • Received:2014-01-09 Revised:2014-08-04 Online:2015-03-15 Published:2015-03-13

摘要:

针对强磁场实验装置(SHMFF)的链式高压有源电力滤波方案规划,基于有源滤波系统的非线性特性, 采用分数阶值。PI 控制器替代普通PI 控制器,在此基础上引入粒子群算法优化指令电流PI 控制器参数,并通过 实验对比分析了人工整定的PI 控制器与PSO 整定的PI 控制器的运行效果。经样机实验表明,采用的PSO 算法 整定的电流内环控制器是正确的,且具有一定的参考价值。

关键词: 超导磁体电源, 谐波抑制, 有源滤波, 分数群算法阶, 粒子群

Abstract:

According to the scheme of SHMFF chain-type high voltage active power filter (APF), considering the non-linear characteristics of APF, fractional order PI controller was used to instead of ordinary PI controller. On this basis, the introduction of particle swarm optimization command adjusts current PI controller parameters to achieve optimal control of harmonic compensation. Finally, the working effect of PI controller parameter setting by artificial and PI controller parameter setting by PSO is comparative analyzed through simulation and experimental results. The results show that the strategy is correct, and it has a certain reference value.

Key words: Superconducting magnet power supply, Harmonic suppression, Active filtering, Fractional PI, PSO

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