Optimal Planning of Multi-Microgrid System With Shared Energy Storage Based on Capacity Leasing and Energy Sharing

IF 9.8 1区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Smart Grid Pub Date : 2024-08-30 DOI:10.1109/TSG.2024.3452064

Jianpei Han;Yuchen Fang;Yaowang Li;Ershun Du;Ning Zhang

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Abstract

Microgrids (MGs) are important forms of supporting the efficient utilization of distributed renewable energy resources (RES). To achieve high proportion penetration of distributed RES and improve the system efficiency, this paper focuses on the multi-microgrid (MMG) system with shared energy storage (SES) and an optimal planning method of MMG system with capacity leasing and energy sharing for PV carrying capability enhancement is proposed. Firstly, a collaborative optimization framework between the multi-microgrid operator (MMGO) and the shared energy storage operator (SESO) is proposed. Secondly, the PV carrying capability index is proposed from two dimensions: the hosting capability and the accommodation capability, and the capacity planning model of the MMG system considering PV carrying capability index is established. Then, the capacity leasing and energy sharing model among MGs as well as between MMG systems and SES system is established. Based on this, a collaborative capacity planning model of MMGO and SESO with the Nash Bargaining game is developed and a distributed solution algorithm is designed. Finally, through a comprehensive case study we can draw that, the proposed planning method with capacity leasing and energy sharing can enhance PV carrying capability of the MMG system while improving economics of MMGO and SESO.

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基于容量租赁和能量共享的带共享储能的多微网系统优化规划

微电网是支持分布式可再生能源（RES）高效利用的重要形式。为了实现分布式可再生能源的高比例渗透，提高系统效率，本文以具有共享储能的多微网（MMG）系统为研究对象，提出了一种容量租赁和能量共享的MMG系统优化规划方法，以增强光伏承载能力。首先，提出了多微网运营商（MMGO）和共享储能运营商（SESO）之间的协同优化框架；其次，从承载能力和容纳能力两个维度提出光伏承载能力指标，并建立考虑光伏承载能力指标的MMG系统容量规划模型；然后，建立了MMG系统之间以及MMG系统与SES系统之间的容量租赁和能量共享模型。在此基础上，建立了基于纳什议价博弈的MMGO和SESO协同容量规划模型，并设计了分布式求解算法。最后，通过综合案例分析得出，所提出的容量租赁和能量共享的规划方法可以提高MMG系统的光伏承载能力，同时提高MMGO和SESO的经济性。

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来源期刊

IEEE Transactions on Smart Grid ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

22.10

自引率

9.40%

发文量

526

审稿时长

6 months

期刊介绍： The IEEE Transactions on Smart Grid is a multidisciplinary journal that focuses on research and development in the field of smart grid technology. It covers various aspects of the smart grid, including energy networks, prosumers (consumers who also produce energy), electric transportation, distributed energy resources, and communications. The journal also addresses the integration of microgrids and active distribution networks with transmission systems. It publishes original research on smart grid theories and principles, including technologies and systems for demand response, Advance Metering Infrastructure, cyber-physical systems, multi-energy systems, transactive energy, data analytics, and electric vehicle integration. Additionally, the journal considers surveys of existing work on the smart grid that propose new perspectives on the history and future of intelligent and active grids.