Fast Harmonic Current Composite Control Strategy Based on Deadbeat Control Feedforward

JI Xiaochun; HONG Wendie; ZHAO Jun; LIU Zhaoqing; WANG Shunyu

doi:10.14044/j.1674-1757.pcrpc.2020.03.003

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Fast Harmonic Current Composite Control Strategy Based on Deadbeat Control Feedforward

更新时间：2024-09-14

- Fast Harmonic Current Composite Control Strategy Based on Deadbeat Control Feedforward
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 3, Pages: 13-19(2020)
- 作者机构：
  
  1. 安科瑞电气股份有限公司
  2. 江苏安科瑞电器制造有限公司
  3. 东南大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.03.003
  CLC： TM761
- Published：2020，
- 稿件说明：
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[1]季晓春,洪文瓞,赵军,刘照清,汪舜羽.基于无差拍控制前馈的快速谐波电流复合控制策略[J].电力电容器与无功补偿,2020,41(03):13-19.

JI XIAOCHUN, HONG WENDIE, ZHAO JUN, et al. Fast Harmonic Current Composite Control Strategy Based on Deadbeat Control Feedforward. [J]. Power capacitor & reactive power compensation, 2020, 41(3): 13-19.
[1]季晓春,洪文瓞,赵军,刘照清,汪舜羽.基于无差拍控制前馈的快速谐波电流复合控制策略[J].电力电容器与无功补偿,2020,41(03):13-19. DOI： 10.14044/j.1674-1757.pcrpc.2020.03.003.

JI XIAOCHUN, HONG WENDIE, ZHAO JUN, et al. Fast Harmonic Current Composite Control Strategy Based on Deadbeat Control Feedforward. [J]. Power capacitor & reactive power compensation, 2020, 41(3): 13-19. DOI： 10.14044/j.1674-1757.pcrpc.2020.03.003.

摘要

针对传统闭环控制在面向非线性冲击负荷谐波源时

存在动态响应慢的问题

提出了一种改进的快速谐波电流控制策略。该方法将基于电流预测的无差拍控制器嵌入比例谐振控制

结合无差拍控制和比例谐振控制优势

弥补传统闭环控制响应速度慢的固有缺陷

实现谐波电流快速精确跟踪。本文首先介绍三相三线制有源电力滤波器的连续时间数学模型

并通过后向差分的方法推导出相应离散化数学模型

得到应用于前馈的电流预测控制算法。在此基础之上

分析了基于无差拍控制前馈的快速谐波电流复合控制的设计过程。最后

通过仿真对所提控制策略进行分析

验证了所提方法的有效性和优越性。

Abstract

In view of such problem as slow dynamic response when the traditional closed-loop control faces the nonlinear shock load harmonic source

a kind of improved fast harmonic current control strategy is proposed.In this method

the inherent defect of slow response speed of traditional closed-loop control is made up by way of embedding current prediction-based deadbeat controller in the proportional resonant（PR） control with combination of the advantage of deadbeat control and proportional resonance control so to achieve fast and accurate tracking of harmonic current.In this paper

the continuous-time mathematical model of the three-phase three-wire active power filter is introduced firstly and the corresponding discretization mathematical model is derived by the backward difference method so to obtain current prediction control algorithm for the feedforward.On that basis

the design process of fast harmonic current composite control based on the feedforward control of deadbeat control is analyzed.Finally

the proposed control strategy is analyzed based on the Matlab/Simulink

and the effectiveness and superiority of the proposed method are verified.

关键词

动态响应无差拍控制电流预测比例谐振控制

Keywords

dynamic responsedeadbeat controlcurrent predictionproportional resonant control

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