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Article(id=1321485251566752559, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321485129009189764, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2025.4.186, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1714406400000, receivedDateStr=2024-04-30, revisedDate=1723392000000, revisedDateStr=2024-08-12, acceptedDate=1727452800000, acceptedDateStr=2024-09-28, onlineDate=1792996235982, onlineDateStr=2026-10-26, pubDate=1753804800000, pubDateStr=2025-07-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792996235982, onlineIssueDateStr=2026-10-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792996235982, creator=13701087609, updateTime=1792996235982, updator=13701087609, issue=Issue{id=1321485129009189764, tenantId=1146029695717560320, journalId=1146031654075715584, year='2025', volume='23', issue='4', pageStart='1', pageEnd='368', issueExtLink='null', onlineDate='null', pubDate='1753804800000', pubDateStr='2025-07-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792996206762, creator='13701087609', updateTime=1792996850840, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321487830518444549, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321485129009189764, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321487830518444550, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321485129009189764, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=186, endPage=199, ext={EN=ArticleExt(id=1321485251751301936, articleId=1321485251566752559, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Power Quality Control for Grid-forming Converters Based on Unified Unbalanced/Harmonic Voltage-current Droop, columnId=1152281492550987902, journalTitle=Journal of Power Supply, columnName=Renewable Energy System, runingTitle=null, highlight=null, articleAbstract=

In power systems, unbalanced and nonlinear loads might lead to voltage and current imbalance and harmonic distortions, which will affect the operation of some critical equipment. To improve the power quality of a system consisting of multiple grid-forming (GFM) converters, it is necessary to reasonably share the load current’s fundamental negative-sequence and harmonic component while reducing the voltage imbalance and harmonics at the point of common coupling (PCC) as much as possible. To solve this problem, a power quality control strategy for GFM converters based on unified unbalanced/harmonic voltage-current droop is proposed in this paper. By establishing a unified droop relationship of fundamental negative-sequence and harmonic component between PCC voltage and output current, unbalanced and harmonic current is shared in accordance with the capacity of each converter while suppressing imbalance and harmonics of PCC voltage. The proposed method can be applied to multiple converters in both the islanded and grid-connected modes without extracting the fundamental negative-sequence or individual harmonic sequences separately. Compared with the existing control methods, this method is simpler and easy to implement in embedded controllers. The design scheme for control parameters based on closed-loop the pole analysis is discussed in detail. Moreover, through a comparison with the existing methods, it is shown that the proposed method has superior dynamic performance and less computation resources. Finally, the effectiveness of the proposed control method was verified by experimental results.

, authors=Liangli XIONG1, Li YOU1, Gang HAN1, Yixuan LI2, Jia LIU2, Jinjun LIU2, authorsList=Liangli XIONG, Li YOU, Gang HAN, Yixuan LI, Jia LIU, Jinjun LIU, authorCompany=null, correspAuthors=Jia LIU, 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=1321485252275589939, articleId=1321485251566752559, tenantId=1146029695717560320, journalId=1146031654075715584, language=CN, title=基于统一不平衡/谐波电压-电流下垂的构网型变流器电能质量控制, columnId=1149829992055595012, journalTitle=电源学报, columnName=新能源系统, runingTitle=null, highlight=null, articleAbstract=

电力系统中不平衡与非线性负载会产生电压电流不平衡与谐波，从而影响一些关键设备的正常运行。为提升多台构网型GFM（grid-forming）变流器系统的电能质量，需在合理分配负载电流基波负序与谐波分量的同时，尽可能降低公共耦合点PCC（point of common coupling）的电压不平衡与谐波。针对这一问题，提出了一种基于统一不平衡/谐波电压-电流下垂的构网型变流器电能质量控制策略。通过建立PCC电压与输出电流的基波负序及谐波分量的统一下垂关系，实现不平衡与谐波电流在各单元之间按容量分配，且同时抑制PCC电压的不平衡与谐波。该方案适用于多变流器在离网与并网2种模式，且不需对基波负序与各次谐波分别提取，相比于现有控制方法更加简单，更易于在嵌入式控制器中实现。详细讨论了该方法基于闭环极点分析的控制参数设计方案。通过与现有方法的对比分析，所提方法具有更优的动态性能与更少的计算需求。最后，实验结果验证了所提控制方案的有效性。

, authors=熊亮雳1, 游力1, 韩刚1, 李奕萱中国电源学会学生会员2, 刘佳中国电源学会高级会员2, 刘进军中国电源学会会士2, authorsList=熊亮雳, 游力, 韩刚, 李奕萱中国电源学会学生会员, 刘佳中国电源学会高级会员, 刘进军中国电源学会会士, authorCompany=null, correspAuthors=刘佳中国电源学会高级会员, authorNote=

熊亮雳（1993—　），男，博士，工程师。研究方向：新能源及储能控制、性能评价技术等。E-mail：。

游力（1987—　），男，硕士，高级工程师。研究方向：构网型储能控制、并网检测及储能电池本体等。E-mail：。

韩刚（1972—　），男，硕士，高级工程师。研究方向：电力系统运行控制、电力市场、智能配电技术等。E-mail：。

李奕萱（1999—　），女，中国电源学会学生会员，硕士研究生。研究方向：电能质量与谐波控制等。E-mail：。

刘进军（1971—　），男，中国电源学会会士，博士，教授。研究方向：电力电子技术在电能质量控制、输配电系统以及分布式发电系统中的应用、电力电子电路和系统的建模、仿真分析和控制等。E-mail：。

, correspAuthorsNote=
刘佳（1986—　），男，中国电源学会高级会员，通信作者，博士，副教授。研究方向：电力电子装置的建模、分析与控制、新能源发电并网技术、分布式发电系统与微电网技术、电能质量与谐波控制等。E-mail：。
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熊亮雳（1993—　），男，博士，工程师。研究方向：新能源及储能控制、性能评价技术等。E-mail：。

"}, bioImg=null, bioContent=

熊亮雳（1993—　），男，博士，工程师。研究方向：新能源及储能控制、性能评价技术等。E-mail：。

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游力（1987—　），男，硕士，高级工程师。研究方向：构网型储能控制、并网检测及储能电池本体等。E-mail：。

"}, bioImg=null, bioContent=

游力（1987—　），男，硕士，高级工程师。研究方向：构网型储能控制、并网检测及储能电池本体等。E-mail：。

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韩刚（1972—　），男，硕士，高级工程师。研究方向：电力系统运行控制、电力市场、智能配电技术等。E-mail：。

"}, bioImg=null, bioContent=

韩刚（1972—　），男，硕士，高级工程师。研究方向：电力系统运行控制、电力市场、智能配电技术等。E-mail：。

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李奕萱（1999—　），女，中国电源学会学生会员，硕士研究生。研究方向：电能质量与谐波控制等。E-mail：。

"}, bioImg=null, bioContent=

李奕萱（1999—　），女，中国电源学会学生会员，硕士研究生。研究方向：电能质量与谐波控制等。E-mail：。

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刘进军（1971—　），男，中国电源学会会士，博士，教授。研究方向：电力电子技术在电能质量控制、输配电系统以及分布式发电系统中的应用、电力电子电路和系统的建模、仿真分析和控制等。E-mail：。

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刘进军（1971—　），男，中国电源学会会士，博士，教授。研究方向：电力电子技术在电能质量控制、输配电系统以及分布式发电系统中的应用、电力电子电路和系统的建模、仿真分析和控制等。E-mail：。

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基于统一不平衡/谐波电压-电流下垂的构网型变流器电能质量控制
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熊亮雳 1 , 游力 1 , 韩刚 1 , 李奕萱中国电源学会学生会员 2 , 刘佳中国电源学会高级会员 2 , 刘进军中国电源学会会士 2
电源学报 | 新能源系统 2025,23(4): 186-199
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电源学报 |新能源系统 2025 , 23 (4) : 186 -199
基于统一不平衡/谐波电压-电流下垂的构网型变流器电能质量控制
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熊亮雳（1993—　），男，博士，工程师。研究方向：新能源及储能控制、性能评价技术等。E-mail：。

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熊亮雳（1993—　），男，博士，工程师。研究方向：新能源及储能控制、性能评价技术等。E-mail：。

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游力（1987—　），男，硕士，高级工程师。研究方向：构网型储能控制、并网检测及储能电池本体等。E-mail：。

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游力（1987—　），男，硕士，高级工程师。研究方向：构网型储能控制、并网检测及储能电池本体等。E-mail：。

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韩刚（1972—　），男，硕士，高级工程师。研究方向：电力系统运行控制、电力市场、智能配电技术等。E-mail：。

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韩刚（1972—　），男，硕士，高级工程师。研究方向：电力系统运行控制、电力市场、智能配电技术等。E-mail：。

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李奕萱（1999—　），女，中国电源学会学生会员，硕士研究生。研究方向：电能质量与谐波控制等。E-mail：。

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李奕萱（1999—　），女，中国电源学会学生会员，硕士研究生。研究方向：电能质量与谐波控制等。E-mail：。

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刘进军（1971—　），男，中国电源学会会士，博士，教授。研究方向：电力电子技术在电能质量控制、输配电系统以及分布式发电系统中的应用、电力电子电路和系统的建模、仿真分析和控制等。E-mail：。

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刘进军（1971—　），男，中国电源学会会士，博士，教授。研究方向：电力电子技术在电能质量控制、输配电系统以及分布式发电系统中的应用、电力电子电路和系统的建模、仿真分析和控制等。E-mail：。

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熊亮雳1 , 游力1 , 韩刚1 , 李奕萱中国电源学会学生会员2 , 刘佳中国电源学会高级会员2 , 刘进军中国电源学会会士2
作者信息
  • 1.国网湖北省电力有限公司电力科学研究院，武汉　430077
  • 2.西安交通大学电气工程学院，西安　710049
通讯作者:
刘佳（1986—　），男，中国电源学会高级会员，通信作者，博士，副教授。研究方向：电力电子装置的建模、分析与控制、新能源发电并网技术、分布式发电系统与微电网技术、电能质量与谐波控制等。E-mail：。
作者简介:

熊亮雳（1993—　），男，博士，工程师。研究方向：新能源及储能控制、性能评价技术等。E-mail：。

游力（1987—　），男，硕士，高级工程师。研究方向：构网型储能控制、并网检测及储能电池本体等。E-mail：。

韩刚（1972—　），男，硕士，高级工程师。研究方向：电力系统运行控制、电力市场、智能配电技术等。E-mail：。

李奕萱（1999—　），女，中国电源学会学生会员，硕士研究生。研究方向：电能质量与谐波控制等。E-mail：。

刘进军（1971—　），男，中国电源学会会士，博士，教授。研究方向：电力电子技术在电能质量控制、输配电系统以及分布式发电系统中的应用、电力电子电路和系统的建模、仿真分析和控制等。E-mail：。

Power Quality Control for Grid-forming Converters Based on Unified Unbalanced/Harmonic Voltage-current Droop
Liangli XIONG1 , Li YOU1 , Gang HAN1 , Yixuan LI Student Member, CPSS2 , Jia LIU Senior Member, CPSS2 , Jinjun LIU Fellow, CPSS2
Affiliations
  • 1.Electric Power Research Institute, State Grid Hubei Electric Power Co., Ltd., Wuhan 430077, China
  • 2.School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
出版时间: 2025-07-30 doi: 10.13234/j.issn.2095-2805.2025.4.186
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摘要
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电力系统中不平衡与非线性负载会产生电压电流不平衡与谐波，从而影响一些关键设备的正常运行。为提升多台构网型GFM（grid-forming）变流器系统的电能质量，需在合理分配负载电流基波负序与谐波分量的同时，尽可能降低公共耦合点PCC（point of common coupling）的电压不平衡与谐波。针对这一问题，提出了一种基于统一不平衡/谐波电压-电流下垂的构网型变流器电能质量控制策略。通过建立PCC电压与输出电流的基波负序及谐波分量的统一下垂关系，实现不平衡与谐波电流在各单元之间按容量分配，且同时抑制PCC电压的不平衡与谐波。该方案适用于多变流器在离网与并网2种模式，且不需对基波负序与各次谐波分别提取，相比于现有控制方法更加简单，更易于在嵌入式控制器中实现。详细讨论了该方法基于闭环极点分析的控制参数设计方案。通过与现有方法的对比分析，所提方法具有更优的动态性能与更少的计算需求。最后，实验结果验证了所提控制方案的有效性。

构网型变流器  /  电能质量  /  三相不平衡  /  谐波补偿  /  电流分配  /  下垂控制  /  微电网

In power systems, unbalanced and nonlinear loads might lead to voltage and current imbalance and harmonic distortions, which will affect the operation of some critical equipment. To improve the power quality of a system consisting of multiple grid-forming (GFM) converters, it is necessary to reasonably share the load current’s fundamental negative-sequence and harmonic component while reducing the voltage imbalance and harmonics at the point of common coupling (PCC) as much as possible. To solve this problem, a power quality control strategy for GFM converters based on unified unbalanced/harmonic voltage-current droop is proposed in this paper. By establishing a unified droop relationship of fundamental negative-sequence and harmonic component between PCC voltage and output current, unbalanced and harmonic current is shared in accordance with the capacity of each converter while suppressing imbalance and harmonics of PCC voltage. The proposed method can be applied to multiple converters in both the islanded and grid-connected modes without extracting the fundamental negative-sequence or individual harmonic sequences separately. Compared with the existing control methods, this method is simpler and easy to implement in embedded controllers. The design scheme for control parameters based on closed-loop the pole analysis is discussed in detail. Moreover, through a comparison with the existing methods, it is shown that the proposed method has superior dynamic performance and less computation resources. Finally, the effectiveness of the proposed control method was verified by experimental results.

Grid-forming (GFM) converter  /  power quality  /  three-phase imbalance  /  harmonic compensation  /  current sharing  /  droop control  /  micro-grid
熊亮雳, 游力, 韩刚, 李奕萱中国电源学会学生会员, 刘佳中国电源学会高级会员, 刘进军中国电源学会会士. 基于统一不平衡/谐波电压-电流下垂的构网型变流器电能质量控制. 电源学报, 2025 , 23 (4) : 186 -199 . DOI: 10.13234/j.issn.2095-2805.2025.4.186
Liangli XIONG, Li YOU, Gang HAN, Yixuan LI, Jia LIU, Jinjun LIU. Power Quality Control for Grid-forming Converters Based on Unified Unbalanced/Harmonic Voltage-current Droop[J]. Journal of Power Supply, 2025 , 23 (4) : 186 -199 . DOI: 10.13234/j.issn.2095-2805.2025.4.186
基金
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  • 国家电网有限公司科技项目(5108-202218280A-2-311-XG)
文献
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参考文献 引证文献
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2025年第23卷第4期
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doi: 10.13234/j.issn.2095-2805.2025.4.186
  • 接收时间：2024-04-30
  • 首发时间：2026-10-26
  • 出版时间：2025-07-30
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  • 收稿日期：2024-04-30
  • 修回日期：2024-08-12
  • 录用日期：2024-09-28
基金
Science and Technology Project of State Grid Corporation of China(5108-202218280A-2-311-XG)
国家电网有限公司科技项目(5108-202218280A-2-311-XG)
作者信息
    1.国网湖北省电力有限公司电力科学研究院，武汉　430077
    2.西安交通大学电气工程学院，西安　710049

通讯作者:

刘佳（1986—　），男，中国电源学会高级会员，通信作者，博士，副教授。研究方向：电力电子装置的建模、分析与控制、新能源发电并网技术、分布式发电系统与微电网技术、电能质量与谐波控制等。E-mail：。
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https://castjournals.cast.org.cn/joweb/dyxb/CN/10.13234/j.issn.2095-2805.2025.4.186
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2种不同金属材料的力学参数
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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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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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