Article(id=1309639371763053256, tenantId=1146029695717560320, journalId=1146119893612605453, issueId=1309639371255542472, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1721059200000, receivedDateStr=2024-07-16, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1790171958151, onlineDateStr=2026-09-23, pubDate=1763568000000, pubDateStr=2025-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790171958151, onlineIssueDateStr=2026-09-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790171958151, creator=13701087609, updateTime=1790171958151, updator=13701087609, issue=Issue{id=1309639371255542472, tenantId=1146029695717560320, journalId=1146119893612605453, year='2025', volume='43', issue='11', pageStart='1421', pageEnd='1562', issueExtLink='null', onlineDate='null', pubDate='1763568000000', pubDateStr='2025-11-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1790171958030, creator='13701087609', updateTime=1790231751141, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1309890161824063505, tenantId=1146029695717560320, journalId=1146119893612605453, issueId=1309639371255542472, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1309890161824063506, tenantId=1146029695717560320, journalId=1146119893612605453, issueId=1309639371255542472, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1450, endPage=1457, ext={EN=ArticleExt(id=1309639371914048201, articleId=1309639371763053256, tenantId=1146029695717560320, journalId=1146119893612605453, language=EN, title=Performance enhancement of power optimizers and output characteristics of photovoltaic power plants under shading effects, columnId=null, journalTitle=Renewable Energy Resources, columnName=null, runingTitle=null, highlight=null, articleAbstract=

In practical applications, photovoltaic (PV) modules often experience partial shading due to obstructions such as chimneys, trees, or bird droppings, leading to power mismatch losses in the system. To minimize the impact of shading and further enhance the power generation capacity of PV systems, this paper first derives the output characteristics of PV power stations under shaded conditions and establishes a model for improving string performance based on power optimizers. Subsequently, based on the known proportion of shading on the module surface, an experimental platform was built to analyze the deviation between measured and simulated results using three experimental schemes and to compare the power generation of the strings before and after incorporating power optimizers. Data show that the deviation in daily power generation between measured and simulated results is within 4%, and power optimizers can increase power generation by up to 16.14%. The research findings provide important guidance for enhancing the power generation capacity of PV systems under shading conditions in practical scenarios.

, authors=Liang Di1, Jie Dong1, Zhenyu Zhou1, Xinyue Yan1, Jianbo Bai2, authorsList=Liang Di, Jie Dong, Zhenyu Zhou, Xinyue Yan, Jianbo Bai, authorCompany=null, correspAuthors=Jianbo Bai, 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=1309639372127957706, articleId=1309639371763053256, tenantId=1146029695717560320, journalId=1146119893612605453, language=CN, title=光伏电站阴影下输出特性及功率优化器效能提升研究, columnId=0, journalTitle=可再生能源, columnName=, runingTitle=null, highlight=null, articleAbstract=

光伏组件在实际应用中受到烟囱、树木或其他障碍物遮挡,会出现局部阴影,进而导致系统功率失配,造成损失。为了最大限度地减少阴影的影响,提高光伏系统发电功率,文章提出了降低参数失配导致功率损失的方案。首先,推导了阴影条件下光伏电站的输出特性,并建立基于功率优化器的组串性能提升模型;然后,搭建实验平台,在已知组件表面阴影比例的基础上,运用3种实验方案分析实测数据与仿真结果的偏差,并比较接入功率优化器前、后组串的发电量。数据显示,实测与仿真的日发电量偏差均在4%以内,功率优化器最多可提高16.14%的发电量。研究结果对实际遮挡场景提升光伏系统发电功率具有重要指导意义。

, authors=邸亮1, 董杰1, 周振宇1, 闫馨月1, 白建波2, authorsList=邸亮, 董杰, 周振宇, 闫馨月, 白建波, authorCompany=null, correspAuthors=白建波, authorNote=

邸亮(1982-),男,高级工程师,研究方向为新能源电力规划。E-mail:

, correspAuthorsNote=
白建波(1974-),男,教授,博士生导师,研究方向为光伏电站建模与仿真技术。E-mail:
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邸亮(1982-),男,高级工程师,研究方向为新能源电力规划。E-mail:

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邸亮(1982-),男,高级工程师,研究方向为新能源电力规划。E-mail:

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光伏电站阴影下输出特性及功率优化器效能提升研究
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邸亮 1 , 董杰 1 , 周振宇 1 , 闫馨月 1 , 白建波 2
可再生能源 | 2025,43(11): 1450-1457
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可再生能源 | 2025 , 43 (11) : 1450 -1457
光伏电站阴影下输出特性及功率优化器效能提升研究
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邸亮1 , 董杰1, 周振宇1, 闫馨月1, 白建波2
作者信息
  • 1.龙源新能源工程设计研究院有限公司,北京 100034
  • 2.河海大学 新能源学院,江苏 常州 213200
通讯作者:
白建波(1974-),男,教授,博士生导师,研究方向为光伏电站建模与仿真技术。E-mail:
作者简介:

邸亮(1982-),男,高级工程师,研究方向为新能源电力规划。E-mail:

Performance enhancement of power optimizers and output characteristics of photovoltaic power plants under shading effects
Liang Di1 , Jie Dong1, Zhenyu Zhou1, Xinyue Yan1, Jianbo Bai2
Affiliations
  • 1.Longyuan New Energy Engineering Design and Research Institute Co., Ltd., Beijing 100034, China
  • 2.College of Renewable Energy, Hohai University, Changzhou 213200, China
出版时间: 2025-11-20
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光伏组件在实际应用中受到烟囱、树木或其他障碍物遮挡,会出现局部阴影,进而导致系统功率失配,造成损失。为了最大限度地减少阴影的影响,提高光伏系统发电功率,文章提出了降低参数失配导致功率损失的方案。首先,推导了阴影条件下光伏电站的输出特性,并建立基于功率优化器的组串性能提升模型;然后,搭建实验平台,在已知组件表面阴影比例的基础上,运用3种实验方案分析实测数据与仿真结果的偏差,并比较接入功率优化器前、后组串的发电量。数据显示,实测与仿真的日发电量偏差均在4%以内,功率优化器最多可提高16.14%的发电量。研究结果对实际遮挡场景提升光伏系统发电功率具有重要指导意义。

光伏电站  /  遮挡影响  /  输出特性  /  功率优化器  /  效能提升

In practical applications, photovoltaic (PV) modules often experience partial shading due to obstructions such as chimneys, trees, or bird droppings, leading to power mismatch losses in the system. To minimize the impact of shading and further enhance the power generation capacity of PV systems, this paper first derives the output characteristics of PV power stations under shaded conditions and establishes a model for improving string performance based on power optimizers. Subsequently, based on the known proportion of shading on the module surface, an experimental platform was built to analyze the deviation between measured and simulated results using three experimental schemes and to compare the power generation of the strings before and after incorporating power optimizers. Data show that the deviation in daily power generation between measured and simulated results is within 4%, and power optimizers can increase power generation by up to 16.14%. The research findings provide important guidance for enhancing the power generation capacity of PV systems under shading conditions in practical scenarios.

photovoltaic power station  /  shading effects  /  output characteristics  /  power optimizer  /  efficiency improvement
邸亮, 董杰, 周振宇, 闫馨月, 白建波. 光伏电站阴影下输出特性及功率优化器效能提升研究. 可再生能源, 2025 , 43 (11) : 1450 -1457 .
Liang Di, Jie Dong, Zhenyu Zhou, Xinyue Yan, Jianbo Bai. Performance enhancement of power optimizers and output characteristics of photovoltaic power plants under shading effects[J]. Renewable Energy Resources, 2025 , 43 (11) : 1450 -1457 .
  • 国家重点研发计划(2022YFB4201000)
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  • 接收时间:2024-07-16
  • 首发时间:2026-09-23
  • 出版时间:2025-11-20
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  • 收稿日期:2024-07-16
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国家重点研发计划(2022YFB4201000)
作者信息
    1.龙源新能源工程设计研究院有限公司,北京 100034
    2.河海大学 新能源学院,江苏 常州 213200

通讯作者:

白建波(1974-),男,教授,博士生导师,研究方向为光伏电站建模与仿真技术。E-mail:
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2种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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