Analysis of impact for PV-BES strategies in low-voltage distribution system

IF 1.6 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Electrical Engineering Pub Date : 2024-07-26 DOI:10.1007/s00202-024-02620-4

Lucas López, Iraide López, Julen Gomez-Cornejo, Itxaso Aranzabal, Pablo Eguia

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Abstract

This paper proposes a new approach for interconnecting Distributed Energy Resources (DERs) in low-voltage distribution networks, focusing on integrating photovoltaic (PV) generation systems and Battery Energy Storage (BES). To optimize the integration of DERs into distribution energy systems, distinct voltage profiles of customer’s nodes and energy losses along the grid have been analyzed. The applied methodology utilizes the load flow study module of the PSS/E software, in conjunction with developed Python algorithms to study several studies over 24-h periods. The main parameters analyzed include: the number of clients with a connected PV system, customer-installed power, and load profiles of all clients connected to the same source. Furthermore, two battery energy storage strategies have been examined: centralized energy storage and distributed energy storage. An independent voltage control has been implemented to assess the benefits of PV systems. The obtained results contribute to ongoing efforts toward more sustainable and efficient distribution energy systems and provide valuable insights to overcome barriers to DER penetration in low-voltage distribution networks.

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低压配电系统中 PV-BES 策略的影响分析

本文提出了一种在低压配电网络中实现分布式能源资源（DER）互联的新方法，重点关注光伏发电系统与电池储能系统（BES）的集成。为了优化将 DERs 集成到配电能源系统中，分析了客户节点的不同电压曲线和电网沿线的能量损失。应用的方法是利用 PSS/E 软件的负载流研究模块，结合开发的 Python 算法，对 24 小时内的多项研究进行分析。分析的主要参数包括：连接光伏系统的客户数量、客户安装功率以及连接到同一电源的所有客户的负载曲线。此外，还研究了两种电池储能策略：集中式储能和分布式储能。还实施了独立电压控制，以评估光伏系统的优势。所取得的成果有助于不断努力实现更可持续、更高效的配电能源系统，并为克服 DER 在低压配电网络中的渗透障碍提供了宝贵的见解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Electrical Engineering 工程技术-工程：电子与电气

CiteScore

3.60

自引率

16.70%

发文量

审稿时长

>12 weeks

期刊介绍： The journal “Electrical Engineering” following the long tradition of Archiv für Elektrotechnik publishes original papers of archival value in electrical engineering with a strong focus on electric power systems, smart grid approaches to power transmission and distribution, power system planning, operation and control, electricity markets, renewable power generation, microgrids, power electronics, electrical machines and drives, electric vehicles, railway electrification systems and electric transportation infrastructures, energy storage in electric power systems and vehicles, high voltage engineering, electromagnetic transients in power networks, lightning protection, electrical safety, electrical insulation systems, apparatus, devices, and components. Manuscripts describing theoretical, computer application and experimental research results are welcomed. Electrical Engineering - Archiv für Elektrotechnik is published in agreement with Verband der Elektrotechnik Elektronik Informationstechnik eV (VDE).