Article(id=1321491301497950642, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321491279368794534, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2025.6.190, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1672243200000, receivedDateStr=2022-12-29, revisedDate=1676736000000, revisedDateStr=2023-02-19, acceptedDate=1679328000000, acceptedDateStr=2023-03-21, onlineDate=1792997678397, onlineDateStr=2026-10-26, pubDate=1761753600000, pubDateStr=2025-10-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792997678397, onlineIssueDateStr=2026-10-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792997678397, creator=13701087609, updateTime=1792997678397, updator=13701087609, issue=Issue{id=1321491279368794534, tenantId=1146029695717560320, journalId=1146031654075715584, year='2025', volume='23', issue='6', pageStart='1', pageEnd='352', issueExtLink='null', onlineDate='null', pubDate='1761753600000', pubDateStr='2025-10-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792997673122, creator='13701087609', updateTime=1792997908848, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321492268125631431, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321491279368794534, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321492268125631432, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321491279368794534, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=190, endPage=198, ext={EN=ArticleExt(id=1321491302609441203, articleId=1321491301497950642, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Equivalent Mechanism and Simulation Analysis of Current-Internal Voltage and Terminal Voltage-Current Excitation-response Characteristics of Grid-connected Converter, columnId=1152281492153004911, journalTitle=Journal of Power Supply, columnName=Modeling and Control, runingTitle=null, highlight=null, articleAbstract=

During the dynamic process of a system, the current control of a converter realizes a balance between current and reference by adjusting the output voltage when the grid-side current changes, which is represented as voltage response under the current excitation. Since the AC voltage of the converter is generated by controlling the amplitude/frequency and the amplitude/frequency of voltage is required to be maintained during the system operation, the current control should be described as the internal voltage amplitude/frequency response under active/reactive current excitation when a power imbalance occurs. At the same time, from the perspective of a grid-connected converter's influence on the grid, the active/reactive current response under the terminal voltage amplitude/frequency excitation is another perspective for understanding the characteristics of the grid-connected converter. Therefore, for the current control of the converter, the active/reactive current-internal voltage characteristics used in the dynamic analysis of large systems and the terminal voltage-active/reactive current characteristics from the perspective of the influence of equipment (e.g., single machine) on the grid are presented. On this basis, it is determined that the two kinds of characteristics are essentially equivalent by explaining the redundant relationship between current and terminal voltage under the current control. Finally, the equivalence is verified by simulations, and the influence of phase-locked control parameters on current control characteristics is preliminarily explored.

, authors=Tianzhao FU, Xiaoming YUAN, Xuan GONG, authorsList=Tianzhao FU, Xiaoming YUAN, Xuan GONG, authorCompany=null, correspAuthors=Xiaoming YUAN, 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=1321491305117634999, articleId=1321491301497950642, tenantId=1146029695717560320, journalId=1146031654075715584, language=CN, title=并网变换器电流-内电势与端电压-电流激励-响应特性的等效机制及仿真分析, columnId=1149829942550200325, journalTitle=电源学报, columnName=建模与控制, runingTitle=null, highlight=null, articleAbstract=

系统动态过程中,当网侧电流变化时变换器电流控制将通过调节输出的电压来实现电流与指令的平衡,表现为电流激励下的电压响应。由于变换器交流电压通过控制幅值和频率产生且系统运行需要维持电压的幅值和频率水平,因此当发生功率不平衡时,电流控制应被描述为有功/无功电流激励下的内电势幅值和频率响应。与此同时,从变换器对所并入电网影响的角度看,端电压幅值和频率激励下的有功/无功电流响应也是认识并网变换器特性的另一视角。因此对于变换器电流控制,提出了服务于大系统动态分析的有功/无功电流-内电势特性以及从单机视角认识设备对电网影响的端电压-有功/无功电流特性。在此基础上,通过说明电流控制中电流和端电压间的冗余关系,解释了2种特性在本质上是等效的。最后,通过仿真验证了2种特性间的等效性,并初步探究了锁相控制参数对电流控制特性的影响。

, authors=付天照, 袁小明中国电源学会高级会员, 龚轩, authorsList=付天照, 袁小明中国电源学会高级会员, 龚轩, authorCompany=null, correspAuthors=袁小明中国电源学会高级会员, authorNote=

付天照(1997— ),男,硕士研究生。研究方向:电力电子化电力系统运行与控制。E-mail:。

龚轩(1995— ),男,博士研究生。研究方向:电力电子化电力系统运行与控制。E-mail:。

, correspAuthorsNote=
袁小明(1966— ),男,中国电源学会高级会员,通信作者,博士,教授。研究方向:可再生能源发电设备及其控制,直流输电系统及其控制,电力电子化电力系统安全稳定行分析及其控制。E-mail:。
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付天照(1997— ),男,硕士研究生。研究方向:电力电子化电力系统运行与控制。E-mail:。

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付天照(1997— ),男,硕士研究生。研究方向:电力电子化电力系统运行与控制。E-mail:。

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龚轩(1995— ),男,博士研究生。研究方向:电力电子化电力系统运行与控制。E-mail:。

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龚轩(1995— ),男,博士研究生。研究方向:电力电子化电力系统运行与控制。E-mail:。

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并网变换器电流-内电势与端电压-电流激励-响应特性的等效机制及仿真分析
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付天照 , 袁小明中国电源学会高级会员 , 龚轩
电源学报 | 建模与控制 2025,23(6): 190-198
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电源学报 |建模与控制 2025 , 23 (6) : 190 -198
并网变换器电流-内电势与端电压-电流激励-响应特性的等效机制及仿真分析
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付天照 , 袁小明中国电源学会高级会员 , 龚轩
作者信息
  • 华中科技大学电气与电子工程学院,武汉 430074
通讯作者:
袁小明(1966— ),男,中国电源学会高级会员,通信作者,博士,教授。研究方向:可再生能源发电设备及其控制,直流输电系统及其控制,电力电子化电力系统安全稳定行分析及其控制。E-mail:。
作者简介:

付天照(1997— ),男,硕士研究生。研究方向:电力电子化电力系统运行与控制。E-mail:。

龚轩(1995— ),男,博士研究生。研究方向:电力电子化电力系统运行与控制。E-mail:。

Equivalent Mechanism and Simulation Analysis of Current-Internal Voltage and Terminal Voltage-Current Excitation-response Characteristics of Grid-connected Converter
Tianzhao FU , Xiaoming YUAN Senior Member, CPSS , Xuan GONG
Affiliations
  • School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
出版时间: 2025-10-30 doi: 10.13234/j.issn.2095-2805.2025.6.190
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系统动态过程中,当网侧电流变化时变换器电流控制将通过调节输出的电压来实现电流与指令的平衡,表现为电流激励下的电压响应。由于变换器交流电压通过控制幅值和频率产生且系统运行需要维持电压的幅值和频率水平,因此当发生功率不平衡时,电流控制应被描述为有功/无功电流激励下的内电势幅值和频率响应。与此同时,从变换器对所并入电网影响的角度看,端电压幅值和频率激励下的有功/无功电流响应也是认识并网变换器特性的另一视角。因此对于变换器电流控制,提出了服务于大系统动态分析的有功/无功电流-内电势特性以及从单机视角认识设备对电网影响的端电压-有功/无功电流特性。在此基础上,通过说明电流控制中电流和端电压间的冗余关系,解释了2种特性在本质上是等效的。最后,通过仿真验证了2种特性间的等效性,并初步探究了锁相控制参数对电流控制特性的影响。

并网变换器  /  电流控制  /  激励-响应特性  /  有功/无功电流  /  内电势  /  端电压  /  幅值和频率

During the dynamic process of a system, the current control of a converter realizes a balance between current and reference by adjusting the output voltage when the grid-side current changes, which is represented as voltage response under the current excitation. Since the AC voltage of the converter is generated by controlling the amplitude/frequency and the amplitude/frequency of voltage is required to be maintained during the system operation, the current control should be described as the internal voltage amplitude/frequency response under active/reactive current excitation when a power imbalance occurs. At the same time, from the perspective of a grid-connected converter's influence on the grid, the active/reactive current response under the terminal voltage amplitude/frequency excitation is another perspective for understanding the characteristics of the grid-connected converter. Therefore, for the current control of the converter, the active/reactive current-internal voltage characteristics used in the dynamic analysis of large systems and the terminal voltage-active/reactive current characteristics from the perspective of the influence of equipment (e.g., single machine) on the grid are presented. On this basis, it is determined that the two kinds of characteristics are essentially equivalent by explaining the redundant relationship between current and terminal voltage under the current control. Finally, the equivalence is verified by simulations, and the influence of phase-locked control parameters on current control characteristics is preliminarily explored.

Grid-connected converter  /  current control  /  excitation-response characteristic  /  active/reactive current  /  internal voltage  /  terminal voltage  /  amplitude/frequency
付天照, 袁小明中国电源学会高级会员, 龚轩. 并网变换器电流-内电势与端电压-电流激励-响应特性的等效机制及仿真分析. 电源学报, 2025 , 23 (6) : 190 -198 . DOI: 10.13234/j.issn.2095-2805.2025.6.190
Tianzhao FU, Xiaoming YUAN, Xuan GONG. Equivalent Mechanism and Simulation Analysis of Current-Internal Voltage and Terminal Voltage-Current Excitation-response Characteristics of Grid-connected Converter[J]. Journal of Power Supply, 2025 , 23 (6) : 190 -198 . DOI: 10.13234/j.issn.2095-2805.2025.6.190
  • 国家重点研发计划资助项目(2022YFB2402700)
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2025年第23卷第6期
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doi: 10.13234/j.issn.2095-2805.2025.6.190
  • 接收时间:2022-12-29
  • 首发时间:2026-10-26
  • 出版时间:2025-10-30
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  • 收稿日期:2022-12-29
  • 修回日期:2023-02-19
  • 录用日期:2023-03-21
基金
National Key R&D Program of China(2022YFB2402700)
国家重点研发计划资助项目(2022YFB2402700)
作者信息
    华中科技大学电气与电子工程学院,武汉 430074

通讯作者:

袁小明(1966— ),男,中国电源学会高级会员,通信作者,博士,教授。研究方向:可再生能源发电设备及其控制,直流输电系统及其控制,电力电子化电力系统安全稳定行分析及其控制。E-mail:。
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