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To address the core problems of difficult evaluation of photovoltaic (PV) absorption and the poor alignment between energy storage (ES) configuration and life-cycle benefit maximization after integrating PV-storage hybrid systems into urban rail transit, this study first simulates the dynamic fluctuation characteristics of traction loads and the hourly PV power output characteristics throughout the year. On this basis, a multi-dimensional mathematical model incorporating PV characteristics, ES operation strategies, and life-cycle benefits is constructed. The model is then used to systematically analyze the annual PV absorption level, optimal ES capacity configuration, and ES charging and discharging strategy design, and proposes an optimal configuration scheme for urban rail transit PV-storage hybrid systems that accounts for time-of-use (TOU) electricity prices. The results indicate the following: Accurate assessment of PV absorption requires analyzing annual PV generation characteristics and load variation patterns; ES capacity selection should integrate PV absorption rate, investment payback period, and annual average benefits to minimize the static investment payback period while improving PV absorption, thereby achieving full-life-cycle profitability; the design of ES charging and discharging strategies needs to fully consider annual TOU electricity price differences, maximizing the use of peak-to-off-peak price spreads to enhance benefits. This research method provides a reference for the scientific planning and implementation of PV-ES integrated projects in urban rail transit.

, authors=Dan SHI, authorsList=Dan SHI, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1308453980267373160, articleId=1308453979655004774, tenantId=1146029695717560320, journalId=1146123302524792850, language=CN, title=计及峰谷电价的城轨光储一体化设备优化配置研究, columnId=1152669334955536763, journalTitle=都市快轨交通, columnName=机电工程, runingTitle=null, highlight=null, articleAbstract=

针对光储一体化设备接入城市轨道交通后，光伏消纳水平评估困难、储能配置与全生命周期收益最大化适配性不足的核心问题，首先通过仿真模拟牵引负荷的动态波动特性与光伏发电全年逐时功率特性，进而构建考虑光伏特性、储能运行策略以及全生命周期收益的多维度数学模型，系统剖析全年光伏消纳水平，储能容量的最优配置以及储能充放电策略设计，提出一种计及峰谷电价的城轨光储一体化设备优化配置方案。研究结果表明，光伏消纳水平需结合全年时段的光伏发电特性及负荷变化规律进行分析；储能容量的选择需结合光伏消纳率、投资回收期和年均收益，在提升光伏消纳率的同时，取得最小的静态投资回收期，实现全生命周期内的盈利；储能充放电策略的设计需要充分考虑全年时段峰谷电价的差异，最大化利用峰谷价差提升收益。该研究方法可为城市轨道交通光储一体化工程项目的科学规划与落地实施提供参考。

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史丹，女，硕士，高级工程师，注册电气工程师，注册咨询师，主要从事城市轨道交通供配电系统设计与研究，986249023@qq.com

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史丹，女，硕士，高级工程师，注册电气工程师，注册咨询师，主要从事城市轨道交通供配电系统设计与研究，986249023@qq.com

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