Optimal Co-Planning of Multi-Port Soft Open Points and Energy Storage Systems for Improving Hosting Capacity and Operation Efficiency in Distribution Networks

IF 3.8 2区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Hanbin Diao;Peiqiang Li;Chunming Tu;Liang Che
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引用次数: 0

Abstract

Soft open points (SOPs) and energy storage systems (ESSs) are seen as promising options to improve hosting capacity (HC) for renewable energy sources and the operation efficiency of distribution networks. However, there is a need for proper co-planning of multi-port SOPs (MSOPs) and ESSs to better exploit their spatial and temporal flexibility. Thus, this paper proposes a co-planning method to determine the locations, capacities, and integration forms of MSOPs and ESSs that can achieve optimal cooperative benefits in terms of HC and operation efficiency while guaranteeing cost-effective investments. A two-layer stochastic programming model is formulated with a cooperative benefits metric combining the degree of branch current's temporal even distribution and network loss sensitivity. To regulate the cost-effectiveness level, the profit constraint that accounts for stochastic electricity prices is developed in the two-layer model. Moreover, a convex MSOP-ES model, based on Kirchhoff's law and current polynomials, is embedded in the two-layer model, enabling multiple integration of MSOPs and ESSs. Then, a customized decomposition algorithm and a sequential strategy of siting and sizing solve this two-layer programming problem. Case studies on the IEEE 33-bus distribution network and a real distribution network are executed to validate the effectiveness of the proposed method.
优化多端口软开放点和储能系统的协同规划,提高配电网络的托管能力和运行效率
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来源期刊
IEEE Transactions on Power Delivery
IEEE Transactions on Power Delivery 工程技术-工程:电子与电气
CiteScore
9.00
自引率
13.60%
发文量
513
审稿时长
6 months
期刊介绍: The scope of the Society embraces planning, research, development, design, application, construction, installation and operation of apparatus, equipment, structures, materials and systems for the safe, reliable and economic generation, transmission, distribution, conversion, measurement and control of electric energy. It includes the developing of engineering standards, the providing of information and instruction to the public and to legislators, as well as technical scientific, literary, educational and other activities that contribute to the electric power discipline or utilize the techniques or products within this discipline.
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