广东工业大学学报 ›› 2023, Vol. 40 ›› Issue (01): 100-106.doi: 10.12052/gdutxb.210144

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一种拓扑不对称的三相电力有源滤波器研究

王江奇, 张淼, 李悦, 苏腾   

  1. 广东工业大学 自动化学院，广东 广州 510006
  • 收稿日期:2021-10-09 出版日期:2023-01-25 发布日期:2023-01-12
  • 通信作者: 张淼(1968-),男,教授,主要研究方向为电力电子与电力传动及可再生能源发电控制技术,E-mail:bezhangm@gdut.edu.cn
  • 作者简介:王江奇(1996-),男,硕士研究生,主要研究方向为电力电子与电能质量
  • 基金资助:
    广东省自然科学基金资助项目(2015A030313478)

An Asymmetric Topology of Three-phase Active Power Filter

Wang Jiang-qi, Zhang Miao, Li Yue, Su Teng   

  1. School of Automation, Guangdong University of Technology, Guangzhou 510006, China
  • Received:2021-10-09 Online:2023-01-25 Published:2023-01-12

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摘要： 提出了一种适用于三相有源电力滤波器的不对称拓扑，该拓扑结构将无源滤波器与低功率有源滤波器结合以降低电压型逆变器(Voltage Source Inverter,VSI) 的容量，减少系统损耗。该拓扑包含一个三相桥、两相双谐振LC无源滤波器和一相耦合电感。所设计的拓扑方案通过减少器件数量，探讨器件参数差异对有源滤波器(Active Power Filter, APF) 补偿效果的影响。并提出了一种基于虚拟电容电压的补偿控制策略，实现对系统的有效控制，仿真和实验表明本文所提出的拓扑和控制策略是可行的。该拓扑及其控制策略方案在减少器件数量的同时，也便于结合传统对称控制策略使用，易于工程实现。

关键词: 有源滤波器, 不对称拓扑, 谐波补偿, 特定次谐波, 虚拟电容

Abstract: An asymmetric topology suitable for three-phase active power filter is proposed. The topology combines a passive filter with a low-power active filter to decrease the capacity and system losses of the voltage inverter (VSI) . It consists of a three-phase bridge, a two-phase dual-resonant LC passive filter and a phase coupled inductor. By reducing the number of devices, the topology design scheme explores the impact of the changes of APF device parameters, which will affect the compensation effect of APF. Finally, a control strategy based on virtual capacitor voltage compensation is proposed to control the system effectively. Simulation and experiments show that the topology and control strategy proposed are feasible.The scheme of this topology and its control strategy can reduce the number of devices and be used in combination with traditional symmetric control strategies, which is easy to be implemented in engineering.

Key words: active power filter, asymmetric topological structure, harmonic compensation, specific subharmonic, virtual capacitor

中图分类号: 

  • TM761
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