电器与能效管理技术 ›› 2024, Vol. 0 ›› Issue (3): 53-59.doi: 10.16628/j.cnki.2095-8188.2024.03.009

• 电器设计与探讨 • 上一篇    下一篇

基于前馈自抗扰控制的动态电压恢复器

邵帅, 黄再, 杨寿平, 卢民   

  1. 国网江西省电力有限公司 鹰潭市月湖区供电分公司, 江西 鹰潭 335000
  • 收稿日期:2023-12-23 出版日期:2024-03-30 发布日期:2024-04-22
  • 作者简介:邵帅(1994—),男,工程师,主要从事电能质量分析与电力电子变流技术研究。|黄再(1988—),男,高级工程师,主要从事电能质量及其评估相关技术研究。|杨寿平(1988—),男,工程师,主要从事电能质量及其测量相关技术研究。

Dynamic Voltage Restorer Based on Feedforward Active Disturbance Rejection Control

SHAO Shuai, HUANG Zai, YANG Shouping, LU Min   

  1. State grid Yingtan City Yuehu District Power Supply Company, Yingtan 335000, China
  • Received:2023-12-23 Online:2024-03-30 Published:2024-04-22

摘要:

针对动态电压恢复器(DVR)在传统比例-积分(PI)控制中补偿速度与补偿超调量之间的矛盾,提出了一种基于前馈补偿的自抗扰控制(FC-ADRC)策略。通过ADRC策略改进传统PI控制所存在的补偿超调问题,并引入LC滤波器的电压电流作为前馈量对DVR控制器进行补偿,实现对用户侧电压暂降进行快速电压补偿,保证用户侧电压的安全稳定。仿真实验结果表明,所提策略既保持DVR装置的高动态响应性,又保证装置应对不确定扰动的适应性。

关键词: 动态电压恢复器, 电压暂降, 前馈补偿, 自抗扰控制器

Abstract:

A feedforward compensation based active disturbance rejection control (FC-ADRC) strategy is proposed to address the contradiction between compensating speed and compensating overshoot in the traditional proportional integral (PI) control for dynamic voltage restorer (DVR).By improving the compensation overshoot problem of traditional PI control through ADRC strategy,and introducing the voltage and current of LC filter as feedforward to compensate the DVR controller,the fast voltage compensation is achieved for user side voltage sag to ensure the safety and stability of user side voltage.The simulation experiment results show that the proposed strategy maintains the high dynamic responsiveness of the DVR device while ensuring its adaptability to uncertain disturbances.

Key words: dynamic voltage restorer (DVR), voltage sag, feed forward compensation, active disturbance rejection controller

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