含模型协同补偿的微电网变换器自抗扰稳压控制

周雪松; 景亚楠; 赵浛宇; 赵明; 王博; 杨清

doi:10.19912/j.0254-0096.tynxb.2023-0408

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (7) : 323-332. DOI: 10.19912/j.0254-0096.tynxb.2023-0408

含模型协同补偿的微电网变换器自抗扰稳压控制

周雪松¹, 景亚楠¹, 赵浛宇¹, 赵明², 王博¹, 杨清¹

作者信息 +

ACTIVE DISTURBANCE REJECTION VOLTAGE STABILIZING CONTROL FOR CONVERTER OF MICROGRID WITH MODEL COLLABORATIVE COMPENSATION

Zhou Xuesong¹, Jing Ya'nan¹, Zhao Hanyu¹, Zhao Ming², Wang Bo¹, Yang Qing¹

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文章历史 +

摘要

针对直流微电网中双向DC-DC变换器输出端口电压受扰不稳定的问题,提出一种含已知扰动模型描述和未知扰动二阶描述协同补偿的线性自抗扰控制策略,以减小线性扩张状态观测的观测负担、提高其观测精度,并进一步改善自抗扰控制系统的抗扰性能。通过对系统性能的理论分析,说明了该控制策略能改善电压受扰波动的原因。最后,通过仿真和实验对比说明改进型自抗扰控制系统在抗扰性、鲁棒性上均优于电压外环电流内环的PI控制以及传统自抗扰控制。

Abstract

Aiming at the problem of voltage instability at the output port of Bi-directional DC-DC Converter in DC microgrid, a linear active disturbance rejection control strategy with known disturbance model description and unknown disturbance second-order description coordinated compensation is proposed to reduce the observation burden of linear expansion state observation and improve its observation accuracy, And further improves the anti-interference performance of the auto disturbance rejection control system. Through theoretical analysis of the system performance, the reason why this control strategy can improve voltage disturbance fluctuations is explained. Finally,through simulation and experimental comparison, it is shown that the improved ADR control system is better than the PI control of the outer loop of voltage and the inner loop of current and the traditional ADR control in terms of immunity and robustness.

导出引用

周雪松, 景亚楠, 赵浛宇, 赵明, 王博, 杨清. 含模型协同补偿的微电网变换器自抗扰稳压控制[J]. 太阳能学报. 2024, 45(7): 323-332 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0408

Zhou Xuesong, Jing Ya'nan, Zhao Hanyu, Zhao Ming, Wang Bo, Yang Qing. ACTIVE DISTURBANCE REJECTION VOLTAGE STABILIZING CONTROL FOR CONVERTER OF MICROGRID WITH MODEL COLLABORATIVE COMPENSATION[J]. Acta Energiae Solaris Sinica. 2024, 45(7): 323-332 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0408

中图分类号： TM615

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