Model Predictive Control of PWM Rectifiers Based on Dynamic Component Optimization of Input-port Voltage

Wenjing XIA; Bi LIU; Song WANG; Xiaoyun FENG

doi:10.7500/AEPS20190315005

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Model Predictive Control of PWM Rectifiers Based on Dynamic Component Optimization of Input-port Voltage

Application Research | 更新时间：2020-07-14

- Model Predictive Control of PWM Rectifiers Based on Dynamic Component Optimization of Input-port Voltage
- Automation of Electric Power Systems Vol. 44, Issue 1, Pages: 200-207(2020)
- 作者机构：
  
  西南交通大学电气工程学院，四川省成都市 610031
- 作者简介：
- 基金信息：
- DOI：10.7500/AEPS20190315005
  CLC：
- Received：15 March 2019，
  
  Revised：2019-06-14，
  
  Published Online：21 October 2019，
  
  Published：10 January 2020
- 稿件说明：
移动端阅览
夏文婧,刘碧,王嵩等.基于输入端电压动态分量优化的PWM整流器模型预测控制[J].电力系统自动化,2020,44(01):200-207.

XIA Wenjing,LIU Bi,WANG Song,et al.Model Predictive Control of PWM Rectifiers Based on Dynamic Component Optimization of Input-port Voltage[J].Automation of Electric Power Systems,2020,44(01):200-207.
夏文婧,刘碧,王嵩等.基于输入端电压动态分量优化的PWM整流器模型预测控制[J].电力系统自动化,2020,44(01):200-207. DOI： 10.7500/AEPS20190315005.

XIA Wenjing,LIU Bi,WANG Song,et al.Model Predictive Control of PWM Rectifiers Based on Dynamic Component Optimization of Input-port Voltage[J].Automation of Electric Power Systems,2020,44(01):200-207. DOI： 10.7500/AEPS20190315005.

摘要

为了提高三相电压型脉宽调制（PWM）整流器的动态响应速度和控制精度，提出了一种基于整流桥输入端电压动态分量优化的模型预测功率控制算法。首先，建立了三相PWM整流器

旋转坐标系下的功率数学模型，分析了传统基于比例-积分(PI)控制器的直接功率控制算法的工作原理。然后，针对传统基于PI控制器的直接功率控制算法的内环功率PI控制器参数设计复杂及动态响应速度慢等缺点，从整流桥输入端电压动态分量优化的角度出发，借鉴模型预测控制思想，通过评价函数预测最优动态分量，在取消了功率内环PI控制器的同时提高了系统的动态响应速度和控制精度。最后，对所提模型预测功率控制和传统基于PI控制器的直接功率控制算法分别进行半实物实验对比研究，实验结果证明了所提算法的正确性和有效性。

Abstract

In order to improve the dynamic response speed and control accuracy of three-phase voltage source pulse width modulation (PWM) rectifiers

this paper proposes a model predictive power control (MPPC) algorithm based on dynamic component optimization of input-port voltage. Firstly

a power mathematical model of three-phase PWM rectifiers is built in

rotating frame

and the working principle of the conventional direct power control (DPC) based on proportional-integral (PI) controller is analyzed. Then

from the perspective of dynamic component optimization of input-port voltage

this paper uses the model predictive control idea to predict the optimal dynamic component through the evaluation function

to overcome the drawbacks of the inner-loop power-based PI controllers in PI-DPC

such as complicated parameter design and slow dynamic response. The proposed MPPC scheme can achieve fast dynamic response and high control precision

while avoiding the use of the inner-loop power-based PI controllers. Finally

the proposed MPPC and PI-DPC schemes are compared in hardware-in-loop experiment platform

and the experimental results have verified the validity and effectiveness of the proposed algorithm.

关键词

Keywords

references

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