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Article(id=1321482007834644560, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321481963769287353, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2025.3.116, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1732032000000, receivedDateStr=2024-11-20, revisedDate=1738425600000, revisedDateStr=2025-02-02, acceptedDate=1740672000000, acceptedDateStr=2025-02-28, onlineDate=1792995462615, onlineDateStr=2026-10-26, pubDate=1748534400000, pubDateStr=2025-05-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792995462615, onlineIssueDateStr=2026-10-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792995462615, creator=13701087609, updateTime=1792995462615, updator=13701087609, issue=Issue{id=1321481963769287353, tenantId=1146029695717560320, journalId=1146031654075715584, year='2025', volume='23', issue='3', pageStart='1', pageEnd='372', issueExtLink='null', onlineDate='null', pubDate='1748534400000', pubDateStr='2025-05-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792995452109, creator='13701087609', updateTime=1792995578032, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321482491983147168, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321481963769287353, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321482491983147169, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321481963769287353, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=116, endPage=125, ext={EN=ArticleExt(id=1321482008048554065, articleId=1321482007834644560, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Mechanism Analysis of DC-side Voltage Dip of PV Inverters After Fault Recovery at Sending End of Large-scale PV Base Transmission via VSC-HVDC, columnId=1321481964440375995, journalTitle=Journal of Power Supply, columnName=Special Issue on Analysis and Control of Power Quality in New Power Systems, runingTitle=null, highlight=null, articleAbstract=

There are extensive ranges and long electrical distances in the sending-end system of the large-scale photovoltaic (PV) base transmission by VSC-HVDC. A voltage dip will occur on the DC side of PV inverters after the short-circuit fault recovery at the sending-end, which is a new power quality problem the new power system faces. Aimed at this issue, the impact of the balance between output powers from PV arrays and inverters on the DC-side voltage is analyzed at first, and the voltage-power characteristics of PV arrays and the output power characteristics of inverters under different control strategies are mainly taken into consideration. Second, four kinds of operating conditions for inverters are formulated according to the operating point of PV arrays and the control strategies for PV inverters, and the evolution characteristics of DC-side voltage of inverters under each operating condition are also analyzed. It is revealed the mechanism is combined effects of movements of the operation point of PV arrays and the changes of control strategies of the inverter because of the power imbalance during the fault recovery. Finally, simulations are performed, and results verify the correctness of the mechanism analysis.

, authors=Shuhao SHEN1, Qing ZHONG1, Junjie FENG2, 3, Haifeng LI1, Longjun WANG1, Gang WANG1, authorsList=Shuhao SHEN, Qing ZHONG, Junjie FENG, Haifeng LI, Longjun WANG, Gang WANG, authorCompany=null, correspAuthors=Qing ZHONG, 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=1321482008564453460, articleId=1321482007834644560, tenantId=1146029695717560320, journalId=1146031654075715584, language=CN, title=大规模光伏基地柔直外送系统送端故障恢复后光伏逆变器直流侧电压跌落机理分析, columnId=1149829646675607555, journalTitle=电源学报, columnName=新型电力系统电能质量分析与控制专辑, runingTitle=null, highlight=null, articleAbstract=

大规模光伏基地柔直外送系统范围广，电气距离长，送端短路故障恢复后，光伏逆变器直流侧会出现电压跌落现象，该现象是新型电力系统面临的1种新的电能质量问题。针对该问题，首先分析光伏阵列输出功率与逆变器输出功率间平衡状态对逆变器直流侧电压的影响，主要考虑了光伏阵列的电压功率特性和逆变器在不同控制策略下的输出功率特性；然后根据光伏阵列运行点位置和光伏逆变器的控制策略，构建了逆变器的4种运行工况，并分别分析了不同工况下逆变器直流侧电压的演化特性，从而分析得出系统故障恢复过程中，逆变器功率不平衡导致的光伏阵列运行点变化与逆变器控制策略切换是造成逆变器直流侧电压跌落的根本原因；最后通过仿真验证了机理分析的正确性。

, authors=沈枢昊1, 钟庆中国电源学会会员1, 冯俊杰2, 3, 李海锋1, 汪隆君1, 王钢1, authorsList=沈枢昊, 钟庆中国电源学会会员, 冯俊杰, 李海锋, 汪隆君, 王钢, authorCompany=null, correspAuthors=钟庆中国电源学会会员, authorNote=

沈枢昊（2000—　），男，硕士研究生。研究方向：电能质量分析与控制。E-mail：。

冯俊杰（1994—　），男，博士研究生，工程师。研究方向：柔性直流输电技术。E-mail：。

李海锋（1976—　），男，博士，教授。研究方向：电力系统故障分析与继电保护。E-mail：。

汪隆君（1982—　），男，博士，讲师。研究方向：电力系统可靠性与规划。E-mail：。

王钢（1966—　），男，博士，教授。研究方向：电力系统保护，控制与自动化。E-mail：。

, correspAuthorsNote=
钟庆（1978—　），男，中国电源学会会员，通信作者，博士，教授。研究方向：电能质量分析与控制。E-mail：。
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沈枢昊（2000—　），男，硕士研究生。研究方向：电能质量分析与控制。E-mail：。

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沈枢昊（2000—　），男，硕士研究生。研究方向：电能质量分析与控制。E-mail：。

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3.State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan 430074, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1321482009688526957, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1321482007834644560, authorId=1321482009499783273, language=CN, stringName=冯俊杰, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=2, 3, address=2.直流输电技术全国重点实验室（南方电网科学研究院），广州　510663
3.强电磁技术全国重点实验室（华中科技大学），武汉　430074, bio={"content":"

冯俊杰（1994—　），男，博士研究生，工程师。研究方向：柔性直流输电技术。E-mail：。

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冯俊杰（1994—　），男，博士研究生，工程师。研究方向：柔性直流输电技术。E-mail：。

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李海锋（1976—　），男，博士，教授。研究方向：电力系统故障分析与继电保护。E-mail：。

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李海锋（1976—　），男，博士，教授。研究方向：电力系统故障分析与继电保护。E-mail：。

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汪隆君（1982—　），男，博士，讲师。研究方向：电力系统可靠性与规划。E-mail：。

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汪隆君（1982—　），男，博士，讲师。研究方向：电力系统可靠性与规划。E-mail：。

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王钢（1966—　），男，博士，教授。研究方向：电力系统保护，控制与自动化。E-mail：。

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王钢（1966—　），男，博士，教授。研究方向：电力系统保护，控制与自动化。E-mail：。

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大规模光伏基地柔直外送系统送端故障恢复后光伏逆变器直流侧电压跌落机理分析
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沈枢昊 1 , 钟庆中国电源学会会员 1 , 冯俊杰 2, 3 , 李海锋 1 , 汪隆君 1 , 王钢 1
电源学报 | 新型电力系统电能质量分析与控制专辑 2025,23(3): 116-125
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电源学报 |新型电力系统电能质量分析与控制专辑 2025 , 23 (3) : 116 -125
大规模光伏基地柔直外送系统送端故障恢复后光伏逆变器直流侧电压跌落机理分析
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冯俊杰（1994—　），男，博士研究生，工程师。研究方向：柔性直流输电技术。E-mail：。

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李海锋（1976—　），男，博士，教授。研究方向：电力系统故障分析与继电保护。E-mail：。

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李海锋（1976—　），男，博士，教授。研究方向：电力系统故障分析与继电保护。E-mail：。

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汪隆君（1982—　），男，博士，讲师。研究方向：电力系统可靠性与规划。E-mail：。

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汪隆君（1982—　），男，博士，讲师。研究方向：电力系统可靠性与规划。E-mail：。

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王钢（1966—　），男，博士，教授。研究方向：电力系统保护，控制与自动化。E-mail：。

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沈枢昊1 , 钟庆中国电源学会会员1 , 冯俊杰2, 3 , 李海锋1 , 汪隆君1 , 王钢1
作者信息
  • 1.华南理工大学电力学院，广州　510641
  • 2.直流输电技术全国重点实验室（南方电网科学研究院），广州　510663
  • 3.强电磁技术全国重点实验室（华中科技大学），武汉　430074
通讯作者:
钟庆（1978—　），男，中国电源学会会员，通信作者，博士，教授。研究方向：电能质量分析与控制。E-mail：。
作者简介:

沈枢昊（2000—　），男，硕士研究生。研究方向：电能质量分析与控制。E-mail：。

冯俊杰（1994—　），男，博士研究生，工程师。研究方向：柔性直流输电技术。E-mail：。

李海锋（1976—　），男，博士，教授。研究方向：电力系统故障分析与继电保护。E-mail：。

汪隆君（1982—　），男，博士，讲师。研究方向：电力系统可靠性与规划。E-mail：。

王钢（1966—　），男，博士，教授。研究方向：电力系统保护，控制与自动化。E-mail：。

Mechanism Analysis of DC-side Voltage Dip of PV Inverters After Fault Recovery at Sending End of Large-scale PV Base Transmission via VSC-HVDC
Shuhao SHEN1 , Qing ZHONG Member, CPSS1 , Junjie FENG2, 3 , Haifeng LI1 , Longjun WANG1 , Gang WANG1
Affiliations
  • 1.School of Electric Power Engineering, South China University of Technology, Guangzhou 510641, China
  • 2.State Key Laboratory of HVDC, Electric Power Research Institute, China Southern Power Grid Co., Ltd., Guangzhou 510663, China
  • 3.State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan 430074, China
出版时间: 2025-05-30 doi: 10.13234/j.issn.2095-2805.2025.3.116
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摘要
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大规模光伏基地柔直外送系统范围广，电气距离长，送端短路故障恢复后，光伏逆变器直流侧会出现电压跌落现象，该现象是新型电力系统面临的1种新的电能质量问题。针对该问题，首先分析光伏阵列输出功率与逆变器输出功率间平衡状态对逆变器直流侧电压的影响，主要考虑了光伏阵列的电压功率特性和逆变器在不同控制策略下的输出功率特性；然后根据光伏阵列运行点位置和光伏逆变器的控制策略，构建了逆变器的4种运行工况，并分别分析了不同工况下逆变器直流侧电压的演化特性，从而分析得出系统故障恢复过程中，逆变器功率不平衡导致的光伏阵列运行点变化与逆变器控制策略切换是造成逆变器直流侧电压跌落的根本原因；最后通过仿真验证了机理分析的正确性。

电能质量  /  直流侧电压跌落  /  大规模光伏基地  /  柔直外送系统

There are extensive ranges and long electrical distances in the sending-end system of the large-scale photovoltaic (PV) base transmission by VSC-HVDC. A voltage dip will occur on the DC side of PV inverters after the short-circuit fault recovery at the sending-end, which is a new power quality problem the new power system faces. Aimed at this issue, the impact of the balance between output powers from PV arrays and inverters on the DC-side voltage is analyzed at first, and the voltage-power characteristics of PV arrays and the output power characteristics of inverters under different control strategies are mainly taken into consideration. Second, four kinds of operating conditions for inverters are formulated according to the operating point of PV arrays and the control strategies for PV inverters, and the evolution characteristics of DC-side voltage of inverters under each operating condition are also analyzed. It is revealed the mechanism is combined effects of movements of the operation point of PV arrays and the changes of control strategies of the inverter because of the power imbalance during the fault recovery. Finally, simulations are performed, and results verify the correctness of the mechanism analysis.

Power quality  /  DC-side voltage dip  /  large-scale photovoltaic (PV) base  /  VSC-HVDC transmission system
沈枢昊, 钟庆中国电源学会会员, 冯俊杰, 李海锋, 汪隆君, 王钢. 大规模光伏基地柔直外送系统送端故障恢复后光伏逆变器直流侧电压跌落机理分析. 电源学报, 2025 , 23 (3) : 116 -125 . DOI: 10.13234/j.issn.2095-2805.2025.3.116
Shuhao SHEN, Qing ZHONG, Junjie FENG, Haifeng LI, Longjun WANG, Gang WANG. Mechanism Analysis of DC-side Voltage Dip of PV Inverters After Fault Recovery at Sending End of Large-scale PV Base Transmission via VSC-HVDC[J]. Journal of Power Supply, 2025 , 23 (3) : 116 -125 . DOI: 10.13234/j.issn.2095-2805.2025.3.116
基金
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  • 国家自然科学基金资助项目(52077082)
  • 南方电网公司科技资助项目(YNKJXM20222288)
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2025年第23卷第3期
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doi: 10.13234/j.issn.2095-2805.2025.3.116
  • 接收时间：2024-11-20
  • 首发时间：2026-10-26
  • 出版时间：2025-05-30
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  • 收稿日期：2024-11-20
  • 修回日期：2025-02-02
  • 录用日期：2025-02-28
基金
National Natural Science Foundation of China(52077082)
国家自然科学基金资助项目(52077082)
Science and Technical Project of China Southern Power Grid Co., Ltd.(YNKJXM20222288)
南方电网公司科技资助项目(YNKJXM20222288)
作者信息
    1.华南理工大学电力学院，广州　510641
    2.直流输电技术全国重点实验室（南方电网科学研究院），广州　510663
    3.强电磁技术全国重点实验室（华中科技大学），武汉　430074

通讯作者:

钟庆（1978—　），男，中国电源学会会员，通信作者，博士，教授。研究方向：电能质量分析与控制。E-mail：。
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https://castjournals.cast.org.cn/joweb/dyxb/CN/10.13234/j.issn.2095-2805.2025.3.116
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2种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
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species		 占总种数比例
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
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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