基于改进自抗扰的光伏并网逆变器直流母线电压控制

doi:10.19912/j.0254-0096.tynxb.2021-0394

太阳能学报 ›› 2022, Vol. 43 ›› Issue (10): 65-72.DOI: 10.19912/j.0254-0096.tynxb.2021-0394

基于改进自抗扰的光伏并网逆变器直流母线电压控制

周雪松, 刘乾, 马幼捷, 谢冰杰

天津理工大学电气电子工程学院天津市复杂系统控制理论及应用重点实验室,天津 300384

收稿日期:2021-04-14 出版日期:2022-10-28 发布日期:2023-04-28
通讯作者: 周雪松（1964——）,男,博士、教授,主要从事新能源以及电力电子器件控制方面的研究。zxsmyj@126.com
基金资助:
国家自然科学基金（51877152）; 天津市自然科学基金（18JCZDJC97300）

DC-LINK VOLTAGE CONTROL OF PHOTOVOLTAIC GRID-CONNECTED INVERTER BASED ON IMPROVED ACTIVE DISTURBANCE REJECTION

Zhou Xuesong, Liu Qian, Ma Youjie, Xie Bingjie

College of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin Key Laboratory for Control Theory and Application in Complicated Systems, Tianjin 300384, China

Received:2021-04-14 Online:2022-10-28 Published:2023-04-28

摘要/Abstract

摘要： 针对直流母线电压的控制性能受到各种不确定干扰因素负面影响的问题,提出一种改进型自抗扰控制策略以增强直流母线电压的控制稳定性。该策略采用级联扩张状态观测器来补充传统方法下未估计的剩余扰动,进而提升扰动估计抑制能力。最后,通过理论分析和仿真结果验证所提策略的有效性和可行性。

关键词: 光伏并网逆变器, 直流母线电压, 自抗扰控制, 稳定性, 扩张状态观测器, 扰动估计

Abstract: Aiming at the problem that the control performance of the DC bus voltage is negatively affected, an improved active disturbance rejection control （ADRC） strategy is proposed to enhance the control stability of the DC-link voltage. The cascaded extended state observer is employed to supple the residual disturbance that is not estimated under the traditional method, thereby improving the disturbance estimation ability. Finally, the effectiveness and feasibility of the proposed strategy are verified by theoretical analysis and simulation results.

中图分类号:

TM74

周雪松, 刘乾, 马幼捷, 谢冰杰. 基于改进自抗扰的光伏并网逆变器直流母线电压控制[J]. 太阳能学报, 2022, 43(10): 65-72.

Zhou Xuesong, Liu Qian, Ma Youjie, Xie Bingjie. DC-LINK VOLTAGE CONTROL OF PHOTOVOLTAIC GRID-CONNECTED INVERTER BASED ON IMPROVED ACTIVE DISTURBANCE REJECTION[J]. Acta Energiae Solaris Sinica, 2022, 43(10): 65-72.

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基于改进自抗扰的光伏并网逆变器直流母线电压控制

DC-LINK VOLTAGE CONTROL OF PHOTOVOLTAIC GRID-CONNECTED INVERTER BASED ON IMPROVED ACTIVE DISTURBANCE REJECTION

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