|本期目录/Table of Contents|

[1]赖钧杰,文小玲*,张 淇.风光储直流微电网分层协调控制策略[J].武汉工程大学学报,2022,44(06):675-682.[doi:10.19843/j.cnki.CN42-1779/TQ.202208006]
 LAI Junjie,WEN Xiaoling*,ZHANG Qi.Hierarchical Coordination Control Strategy for Wind-Solar-Storage DC Microgrid[J].Journal of Wuhan Institute of Technology,2022,44(06):675-682.[doi:10.19843/j.cnki.CN42-1779/TQ.202208006]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
44
期数:
2022年06期
页码:
675-682
栏目:
机电与信息工程
出版日期:
2022-12-31

文章信息/Info

Title:
Hierarchical Coordination Control Strategy for Wind-Solar-Storage DC Microgrid
文章编号:
1674 - 2869(2022)06 - 0675 - 08
作者:
赖钧杰文小玲*张 淇
武汉工程大学电气信息学院,湖北 武汉 430205
Author(s):
LAI Junjie WEN Xiaoling* ZHANG Qi
School of Electrical and Information Engineering, Wuhan Institute of Technology, Wuhan 430205, China
关键词:
直流微电网分层协调控制下垂控制直流母线电压控制
Keywords:
DC microgridhierarchical coordinated controldroop controlDC bus voltage control
分类号:
TM732
DOI:
10.19843/j.cnki.CN42-1779/TQ.202208006
文献标志码:
A
摘要:
针对风光储直流(DC)微电网存在源荷的不确定性而导致系统功率不平衡的问题,提出一种分层协调控制策略。第一层控制风机、光伏、混合储能和并网变换器独立运行。第二层采用无需互联通信的直流母线电压控制策略,实现可再生能源的优先利用和各单元不同工作模式的平滑切换。第三层根据实时电价与交流电网故障情况进行并、离网运行状态的切换,以提高直流微电网运行经济性和可靠性。最后,在MATLAB/Simulink中进行直流微电网系统的仿真建模分析。结果表明,在4种不同的工况下,所提控制策略均能维持直流母线电压在380 V附近。

Abstract:
Aimed at the problem of system power imbalance caused by the uncertainty of source and load in the wind-solar-storage direct current(DC) microgrid, a hierarchical coordinated control strategy was proposed. The first layer controls the independent operation of the wind turbine, photovoltaic, hybrid energy storage and grid connected converter. The second layer adopts the DC bus voltage control strategy without interconnection communication to realize the priority utilization of renewable energy and smooth switching between different working modes of each unit. The third layer switches between on-grid and off-grid operation modes according to the real-time electricity prices and alternating current grid fault conditions to improve the economy and reliability of DC microgrid operations. Finally, the simulation modeling analysis of DC microgrid system is carried out in MATLAB/Simulink. The results show that the proposed control strategy can maintain the DC bus voltage near 380 V in four different operating conditions.

参考文献/References:

[1] LI J, TAN G Q, ZHOU Q, et al. Literature review of DC microgrid operation control[J]. International Core Journal of Engineering, 2021,7(6):181-188.

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备注/Memo

备注/Memo:
收稿日期:2022-08-08
基金项目:武汉工程大学研究生教育创新基金(CX2021086)
作者简介:赖钧杰,硕士研究生。E-mail:[email protected]
*通讯作者:文小玲,硕士,教授。E-mail:[email protected]
引文格式:赖钧杰,文小玲,张淇. 风光储直流微电网分层协调控制策略[J]. 武汉工程大学学报,2022,44(6):675-682.

更新日期/Last Update: 2023-01-09