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基于分布式策略的直流微电网下垂控制器设计

卢自宝 钟尚鹏 郭戈

卢自宝, 钟尚鹏, 郭戈. 基于分布式策略的直流微电网下垂控制器设计. 自动化学报, 2021, 47(10): 2472−2483 doi: 10.16383/j.aas.c190628
引用本文: 卢自宝, 钟尚鹏, 郭戈. 基于分布式策略的直流微电网下垂控制器设计. 自动化学报, 2021, 47(10): 2472−2483 doi: 10.16383/j.aas.c190628
Lu Zi-Bao, Zhong Shang-Peng, Guo Ge. Design of droop controller for DC microgrid based on distributed strategy. Acta Automatica Sinica, 2021, 47(10): 2472−2483 doi: 10.16383/j.aas.c190628
Citation: Lu Zi-Bao, Zhong Shang-Peng, Guo Ge. Design of droop controller for DC microgrid based on distributed strategy. Acta Automatica Sinica, 2021, 47(10): 2472−2483 doi: 10.16383/j.aas.c190628

基于分布式策略的直流微电网下垂控制器设计

doi: 10.16383/j.aas.c190628
基金项目: 国家自然科学基金(61503003, U1808205),安徽省自然科学基金(2008085MF199)资助
详细信息
    作者简介:

    卢自宝:安徽师范大学物理与电子信息学院副教授. 2013年获得大连海事大学博士学位. 主要研究方向为网络控制系统,微电网控制. 本文通信作者. E-mail: luzibao@163.com

    钟尚鹏:安徽师范大学物理与电子信息学院硕士研究生. 主要研究方向为微电网分布式控制, 网络控制系统. E-mail: zhongshangpeng@163.com

    郭戈:东北大学教授. 1998年获得东北大学博士学位. 主要研究方向为智能交通系统, 运动目标检测跟踪网络. E-mail: geguo@yeah.net

Design of Droop Controller for DC Microgrid Based on Distributed Strategy

Funds: Supported by National Natural Science Foundation of China (61503003, U1808205) and Natural Science Foundation of Anhui Province (2008085MF199)
More Information
    Author Bio:

    LU Zi-Bao Ph.D., associate professor at the College of Physics and Electronic Imformation, Anhui Normal University. He received his Ph. D. degree from Dalian Maritime University in 2013. His research interest covers networked control system and microgrids control. Corresponding author of this paper

    ZHONG Shang-Peng Master student at the College of Physics and Electronic Imformation, Anhui Normal University. His research interest covers distributed control of microgrids, networked control system

    GUO Ge Professor at Northeastern University. He received his Ph. D. degree from Northeastern University in 1998. His research interest covers intelligent transportation system, moving target detection and tracking with network

  • 摘要: 本文研究了分布式控制策略下直流微电网的负荷分配和电压平衡问题. 给出一种新的基于分布式策略的下垂控制器设计方法, 能够在统一的框架下实现直流微电网负载共享和电压平衡. 首先,将直流微电网的负载共享和电压平衡问题转化为多目标优化问题, 其性能指标与微源的容量密切相关. 然后, 通过求解多目标优化问题获得实现负载共享和电压平衡的集中式控制策略, 并给出下垂控制器的设计方法. 为了降低系统的通信负担, 给出一种新的只需与邻居节点交换信息的分布式控制策略, 通过理论分析可知该分布式控制策略能够收敛到多目标优化问题的最优解. 最后, 通过对新能源汽车充换电站系统的仿真验证了本文提出的方法的有效性.
  • 图  1  用户级直流微电网的典型结构

    Fig.  1  Typical structure of user-level DC microgrid

    图  3  用户级微电网i的等效电路模型

    Fig.  3  Equivalent circuit model of user-level microgrid i

    图  2  系统级直流微电网的典型结构

    Fig.  2  Typical structure of system-level dc microgrid

    图  4  系统级微电网的等效电路模型

    Fig.  4  Equivalent circuit model of system-level microgrid

    图  5  新能源汽车充换电站

    Fig.  5  New energy vehicle charging and changing station

    图  6  改进的直流微电网充换电站

    Fig.  6  An improved dc microgrid changing and changing station

    图  7  基于分布式方案的$k, V, I_s $的演化曲线$a = 0.5$

    Fig.  7  When $a = 0.5$, the evolution curve of $k, V, I_s $ based on the distributed scheme

    图  8  $a = 0.1, 0.5, 0.9$$k, V, I_s/m$的演化曲线

    Fig.  8  When $a = 0.1, 0.5, 0.9$, the evolution curve of $k, V, I_s/m$

    图  9  负载变化对$k, V, I_s $的影响$a = 0.5$

    Fig.  9  When $a = 0.5$, effect of load change on $k, V, I_s $

    图  10  节点7接入和退出对$k, V, I_s $的影响$a = 0.5$

    Fig.  10  When $a = 0.5$, influence of node 7 access and exit on $k, V, I_s $

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出版历程
  • 收稿日期:  2019-09-04
  • 录用日期:  2019-11-25
  • 网络出版日期:  2019-12-24
  • 刊出日期:  2021-10-20

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