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现代电力系统仿真控制与绿色电能新技术教育部重点实验室(东北电力大学),吉林省吉林市 132012
张儒峰(1990—),男,通信作者,博士,教授,博士生导师,主要研究方向:综合能源系统建模、分析与优化运行。E-mail:zhangrufeng@neepu.edu.cn
张玉岳(1999—),男,硕士研究生,主要研究方向:微电网能量管理与交易。E-mail:zhangyuyue0822@aliyun.com
姜 涛(1983—),男,博士,教授,博士生导师,主要研究方向:电力系统安全性与稳定性、可再生能源联网运行、综合能源系统。E-mail:tjiang@neepu.edu.cn
收稿:2024-10-14,
修回:2025-01-17,
网络出版:2025-02-26,
纸质出版:2025-06-25
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张儒峰,张玉岳,姜涛等.基于等效投影的多微电网柔性配电系统协同优化运行方法[J].电力系统自动化,2025,49(12):121-130.
ZHANG Rufeng,ZHANG Yuyue,JIANG Tao,et al.Equivalent Projection Based Cooperative Optimal Operation Method for Multi-microgrid Flexible Distribution System[J].Automation of Electric Power Systems,2025,49(12):121-130.
张儒峰,张玉岳,姜涛等.基于等效投影的多微电网柔性配电系统协同优化运行方法[J].电力系统自动化,2025,49(12):121-130. DOI: 10.7500/AEPS20241014004.
ZHANG Rufeng,ZHANG Yuyue,JIANG Tao,et al.Equivalent Projection Based Cooperative Optimal Operation Method for Multi-microgrid Flexible Distribution System[J].Automation of Electric Power Systems,2025,49(12):121-130. DOI: 10.7500/AEPS20241014004.
微电网与柔性配电系统(FDS)协同优化运行可提高运行经济性和灵活性,但现有的求解方法难以兼顾多主体信息隐私保护和模型求解效率。针对上述问题,提出了一种基于等效投影(EP)的多微电网柔性配电系统(MFDS)协同优化运行方法。首先,提出了一种基于EP的MFDS双层优化运行框架,深度挖掘FDS和微电网的灵活性资源,并构建考虑智能软开关的MFDS优化运行模型。其次,基于改进傅里叶-莫茨金消元法和高斯消元法,计算下层微电网的低维投影可行域,通过投影可行域的方式保证下层微电网的信息私密性。然后,提出一种基于EP的非迭代求解方法,对MFDS双层优化运行模型进行转化,在保证各主体信息私密性的前提下,实现双层问题的高效求解。最后,基于改进的IEEE 33节点配电系统验证所提方法的有效性。
The cooperative optimal operation of microgrids and flexible distribution system (FDS) can improve operation economy and flexibility. However
the existing solution methods have difficulties in balancing the privacy protection of multi-agent information and the efficiency of model solution. In response to the above problems
an equivalent projection (EP) based cooperative optimal operation method for multi-microgrid flexible distribution system (MFDS) is proposed. Firstly
a two-layer EP-based optimal operation framework of MFDS is proposed
which deeply explores the flexibility resources of FDS and microgrids
and constructs an optimal operation model of MFDS considering intelligent soft open points. Secondly
based on the improved Fourier-Motzkin elimination method and Gaussian elimination method
the low-dimensional projection feasible region of the lower microgrid is calculated. The information privacy of the lower microgrid is guaranteed through the projection feasible region. Then
an EP-based non-iterative solution method is proposed to transform the two-layer optimal operation model of MFDS. On the premise of ensuring the information privacy of each agent
the efficient solution of the two-layer problem is achieved. Finally
the effectiveness of the proposed method is verified based on the improved IEEE 33-bus distribution system.
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