三相电压型脉宽调制整流器的自抗扰控制

GUO Yuanbo; ZHOU Xin; ZHANG Xiaohua; CHEN Hongjun

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三相电压型脉宽调制整流器的自抗扰控制

更新时间：2025-08-13

- 三相电压型脉宽调制整流器的自抗扰控制
- Automation of Electric Power Systems Vol. 35, Issue 16, Pages: 87-93(2011)
- 作者机构：
  
  哈尔滨工业大学电气工程系,黑龙江省,哈尔滨市,150001
- 作者简介：
- 基金信息：
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- Published：2011
- 稿件说明：
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GUO Yuanbo, ZHOU Xin, ZHANG Xiaohua, et al. [J]. Automation of electric power systems, 2011, 35(16): 87-93.
DOI：

GUO Yuanbo, ZHOU Xin, ZHANG Xiaohua, et al. [J]. Automation of electric power systems, 2011, 35(16): 87-93. DOI：

摘要

针对传统电压外环控制方法存在的抗扰性能不佳等问题，提出了三相电压型脉宽调制（PWM）整流器的自抗扰控制策略。基于PWM整流器在同步旋转坐标系下的数学模型，利用反馈线性化控制，设计了电流内环控制器。通过构造新型非线性状态误差反馈函数，对传统自抗扰控制进行了改进，从理论上证明了该方法收敛速度优于线性状态误差反馈函数，同时解决了控制力抖动问题。设计了基于改进型自抗扰控制的PWM整流器电压外环控制器，并给出了该控制器参数整定方法。实验结果表明，所提出的自抗扰控制策略可确保PWM整流器获得较好的稳态和动态性能，特别是在抵抗电网电压扰动和负载扰动方面具有优越性。

Abstract

Traditional voltage-outer-loop controllers have weak disturbance rejection ability，therefore，auto-disturbance rejection control（ADRC）for three-phase voltage-type pulse-width-modulation（PWM）rectifier is proposed.Based on the PWM rectifier model in the synchronous reference frame，a current-inner-loop controller is designed with the feedback linearization control method.The traditional ADRC is improved with the new nonlinear state error feedback function.Moreover，its convergence speed is faster than the speed of the linear state error feedback function，and the chattering of the traditional ADRC is eliminated.The voltage-outer-loop controller and its parameters tuning methods are given based on the improved ADRC.Experimental results show that，the proposed PWM rectifier control system has better steady and dynamic performances，and especially has a good rejection ability of disturbances in AC voltage and DC load.

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