Article(id=1146828032993525907, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1146828028623066093, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2025.1.84, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1654876800000, receivedDateStr=2022-06-11, revisedDate=1660233600000, revisedDateStr=2022-08-12, acceptedDate=1664208000000, acceptedDateStr=2022-09-27, onlineDate=1751354710099, onlineDateStr=2025-07-01, pubDate=1738166400000, pubDateStr=2025-01-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751354710099, onlineIssueDateStr=2025-07-01, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=1752073867440, onlineFirstDateStr=2025-07-09, sourceXml=null, magXml=null, createTime=1751354710099, creator=13701087609, updateTime=1751354710099, updator=13701087609, issue=Issue{id=1146828028623066093, tenantId=1146029695717560320, journalId=1146031654075715584, year='2025', volume='23', issue='1', pageStart='1', pageEnd='258', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1751354709057, creator=13701087609, updateTime=1765499536223, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1206155733847044492, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1146828028623066093, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1206155733847044493, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1146828028623066093, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=84, endPage=92, ext={EN=ArticleExt(id=1149844398021804552, articleId=1146828032993525907, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Transient Instability Boundary of PLL-synchronous VSC in Multiple Scenarios, columnId=1152281492550987902, journalTitle=Journal of Power Supply, columnName=Renewable Energy System, runingTitle=null, highlight=null, articleAbstract=
Aimed at the transient instability of a voltage source converter (VSC) based on phase locked loop (PLL) under weak network conditions and considering the influences of power grid line impedance, VSC reactive power injection and PLL filtering, the transient instability boundary of VSC is comprehensively studied based on the critical voltage in a variety of fault scenarios such as grid voltage sag, frequency fluctuation and three-phase asymmetric fault. Through the analysis of the VSC grid-connected vector diagram in different operation scenarios, the mathematical models of relationships between the grid voltage of VSC grid-connected system and factors (e.g., line impedance and impedance angle, VSC operation power and its power factor, PLL phase-locked error, and grid frequency) in multiple scenarios are established. Then, the transient instability boundary of VSC is indicated based on the critical voltage. Results show that both the line resistance and reactive power injection can directly reduce the critical voltage and improve the stability of the system. The increase or decrease in grid-side frequency will directly lead to the phase lag or lead of PLL and an increase or decrease in line reactance, thus indirectly affecting the critical voltage and further affecting the transient stability of VSC. The PLL pre-filter may cause errors in the phase-locked result, and its phase lag or lead will reduce or increase the critical instability voltage of the system, respectively.
, correspAuthors=Pengfei HU, 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, authorCompany=null, fund=null, authors=null, authorsList=Zheng CHEN, Pengfei HU, Zaixin YANG, Yanxue YU, Chongxi JIANG), CN=ArticleExt(id=1146828039620526853, articleId=1146828032993525907, tenantId=1146029695717560320, journalId=1146031654075715584, language=CN, title=多场景下锁相环同步VSC暂态失稳边界研究, columnId=1149829992055595012, journalTitle=电源学报, columnName=新能源系统, runingTitle=null, highlight=null, articleAbstract=
针对弱网状态下基于锁相环PLL(phase locked loop)电压源换流器VSC(voltage source converter)的暂态失稳问题,综合考虑电网线路阻抗、VSC无功注入、PLL滤波的影响,并针对电网电压跌落、频率波动、三相不对称故障等多种故障场景,基于临界失稳电压对VSC的暂态失稳边界进行全面研究。通过分析不同运行场景下VSC并网向量图,建立多场景下VSC并网系统电网电压与线路阻抗及其阻抗角、VSC运行功率及其功率因数、PLL锁相误差和电网频率等因素之间的数学模型,进而基于临界失稳电压指明VSC的暂态失稳边界。实验结果表明:线路电阻和无功注入均会直接降低临界失稳电压,提高系统的稳定性;网侧频率增加或降低会直接导致锁相环产生相位滞后或超前、线路电抗增大或降低,间接影响临界失稳电压,进而影响VSC的暂态稳定性;锁相环前级滤波器可能导致锁相结果产生误差,其相位滞后或超前会分别降低或提高系统的临界失稳电压。
, correspAuthors=胡鹏飞, authorNote=null, correspAuthorsNote=
胡鹏飞(1988— ),男,博士。研究方向:柔性交直流输配电技术、新能源并网与主动配电网、电力电子化电力系统分析与控制。E-mail:
zjuhpf@163.com。
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1 College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1205931304021984240, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, authorId=1205931303845823458, language=CN, stringName=陈征, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 浙江大学电气工程学院,杭州 310027, bio={"img":"4KKrX37Ft9aIwQMrmku9dQ==","content":"
陈征(1999— ),男,中国电源学会学生会员,硕士。研究方向:新能源并网与主动配网。E-mail:22010038@zju.edu.cn。
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陈征(1999— ),男,中国电源学会学生会员,硕士。研究方向:新能源并网与主动配网。E-mail:22010038@zju.edu.cn。
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1 浙江大学电气工程学院,杭州 310027)])]), Author(id=1205931304105870328, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zjuhpf@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1205931304210727931, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, authorId=1205931304105870328, language=EN, stringName=Pengfei HU, firstName=Pengfei, middleName=null, lastName=HU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 Inner Mongolia Electric Power Research Institute, Hohhot 010020, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1205931305691316251, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, authorId=1205931304407859211, language=CN, stringName=杨再欣, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 内蒙古电力科学研究院, 呼和浩特 010020, bio={"content":"
杨再欣(1993— ),男,硕士。研究方向:电力系统控制保护。E-mail:zaixin.yang@foxmail.com。
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杨再欣(1993— ),男,硕士。研究方向:电力系统控制保护。E-mail:zaixin.yang@foxmail.com。
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2 内蒙古电力科学研究院, 呼和浩特 010020)])]), Author(id=1205931305859088422, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=yuyanxueppkz@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1205931305972334641, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, authorId=1205931305859088422, language=EN, stringName=Yanxue YU, firstName=Yanxue, middleName=null, lastName=YU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1205931306077192250, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, authorId=1205931305859088422, language=CN, stringName=于彦雪, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 浙江大学电气工程学院,杭州 310027, bio={"content":"
于彦雪(1991— ),女,博士。研究方向:弱电网下并网逆变器建模及稳定性。E-mail:yuyanxueppkz@163.com。
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于彦雪(1991— ),女,博士。研究方向:弱电网下并网逆变器建模及稳定性。E-mail:yuyanxueppkz@163.com。
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3 Hangzhou Power Supply Company, State Grid Zhejiang Electric Power Co., Ltd., Hangzhou 310001, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1205931306341433425, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, authorId=1205931306148495425, language=CN, stringName=江崇熙, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3 国网浙江省电力有限公司杭州供电公司,杭州 310001, bio={"content":"
江崇熙(1992— ),男,博士。研究方向:电力系统稳定分析与控制。 E-mail:jiangchongxi@zju.edu.cn。
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江崇熙(1992— ),男,博士。研究方向:电力系统稳定分析与控制。 E-mail:jiangchongxi@zju.edu.cn。
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3 国网浙江省电力有限公司杭州供电公司,杭州 310001)])])], keywords=[Keyword(id=1205931306559537251, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, orderNo=1, keyword=Voltage source converter (VSC)), Keyword(id=1205931306660200557, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, orderNo=2, keyword=transient stability), Keyword(id=1205931306769252466, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, orderNo=3, keyword=multiple scenarios), Keyword(id=1205931306886692986, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, orderNo=4, keyword=phase locked loop (PLL)), Keyword(id=1205931307004133507, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, orderNo=1, keyword=电压源变流器), Keyword(id=1205931307113185415, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, orderNo=2, keyword=暂态稳定性), Keyword(id=1205931307239014545, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, orderNo=3, keyword=多场景), Keyword(id=1205931307369037976, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, orderNo=4, keyword=锁相环)], refs=[Reference(id=1205931315002671471, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, doi=null, pmid=null, pmcid=null, year=2016, volume=36, issue=14, pageStart=3758, pageEnd=3770, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=迟永宁, 梁伟, 张占奎, journalName=中国电机工程学报, refType=null, unstructuredReference=迟永宁, 梁伟, 张占奎, 等. 大规模海上风电输电与并网关键技术研究综述[J].
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Schematic of PLL-synchronous VSC grid-connection, figureFileSmall=iYLKk1yz3zGvBFnVAqY4uw==, figureFileBig=l1yjOA1JgQsrBMY4LF/P1Q==, tableContent=null), ArticleFig(id=1205931307742331048, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图1, caption=
锁相环同步VSC并网示意, figureFileSmall=iYLKk1yz3zGvBFnVAqY4uw==, figureFileBig=l1yjOA1JgQsrBMY4LF/P1Q==, tableContent=null), ArticleFig(id=1205931307943657651, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 2, caption=
Block diagram of closed-loop power control of VSC, figureFileSmall=1uOe70g7bQkyj59LkSQpQw==, figureFileBig=Dg4KUZqh/l3y7ITmWhy8eA==, tableContent=null), ArticleFig(id=1205931308044320952, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图2, caption=
VSC的功率闭环控制框图, figureFileSmall=1uOe70g7bQkyj59LkSQpQw==, figureFileBig=Dg4KUZqh/l3y7ITmWhy8eA==, tableContent=null), ArticleFig(id=1205931308157567168, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 3, caption=
Equivalent circuit of grid-connected VSC, figureFileSmall=MM7ZTUIMbtE21C6zvPjXNg==, figureFileBig=5oonehQrqZrPnxyaoj09YA==, tableContent=null), ArticleFig(id=1205931308275007684, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图3, caption=
并网VSC等效电路, figureFileSmall=MM7ZTUIMbtE21C6zvPjXNg==, figureFileBig=5oonehQrqZrPnxyaoj09YA==, tableContent=null), ArticleFig(id=1205931308346310855, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 4, caption=
${V}_{gmin}$curves$({V}_{\text{gmin}}-\phi )$, figureFileSmall=726KDGUW6g9MsQT89dpwnw==, figureFileBig=hIQgbfQFtp+r2lrDurG40A==, tableContent=null), ArticleFig(id=1205931308472139982, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图4, caption=
${V}_{gmin}$曲线$({V}_{\text{gmin}}-\phi )$, figureFileSmall=726KDGUW6g9MsQT89dpwnw==, figureFileBig=hIQgbfQFtp+r2lrDurG40A==, tableContent=null), ArticleFig(id=1205931308585386198, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 5, caption=
Vectors of grid-connected VSC considering reactive power injection, figureFileSmall=DWIXuUc+ZiauV4M0TL2xrQ==, figureFileBig=Ln4uBl9/ItUQUFmZKwypcQ==, tableContent=null), ArticleFig(id=1205931308711215324, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图5, caption=
无功注入后并网VSC向量, figureFileSmall=DWIXuUc+ZiauV4M0TL2xrQ==, figureFileBig=Ln4uBl9/ItUQUFmZKwypcQ==, tableContent=null), ArticleFig(id=1205931308845433057, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 6, caption=
${V}_{gmin}$curves$({V}_{\text{gmin}}-\delta )$, figureFileSmall=GcRGlTopFshf90p5RUnadA==, figureFileBig=pn3fOP0M+DjtRLV5nJ0GVA==, tableContent=null), ArticleFig(id=1205931308950290664, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图6, caption=
${V}_{gmin}$曲线$({V}_{\text{gmin}}-\delta )$, figureFileSmall=GcRGlTopFshf90p5RUnadA==, figureFileBig=pn3fOP0M+DjtRLV5nJ0GVA==, tableContent=null), ArticleFig(id=1205931309080314094, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 7, caption=
Control block diagram of PLL with pre-filter, figureFileSmall=ERxVJeUsaeaETPhyUCZilw==, figureFileBig=UfvtOHJwwFyAeyIM2OxfUg==, tableContent=null), ArticleFig(id=1205931310288273651, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图7, caption=
带前级滤波器的PLL控制框图, figureFileSmall=ERxVJeUsaeaETPhyUCZilw==, figureFileBig=UfvtOHJwwFyAeyIM2OxfUg==, tableContent=null), ArticleFig(id=1205931310418297076, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 8, caption=
Vector of grid-connected VSC considering PLL phase-locked error, figureFileSmall=pPlobeG0wqMlART4uc+4ng==, figureFileBig=6zP2QFgEtM6/TGjO4SBK0A==, tableContent=null), ArticleFig(id=1205931310523154681, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图8, caption=
考虑锁相环锁相误差的并网VSC矢量, figureFileSmall=pPlobeG0wqMlART4uc+4ng==, figureFileBig=6zP2QFgEtM6/TGjO4SBK0A==, tableContent=null), ArticleFig(id=1205931310619623677, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 9, caption=
${V}_{gmin}$curve$({V}_{\text{gmin}}-\theta )$, figureFileSmall=vYxKe+V512TFMpy6SABKBQ==, figureFileBig=nG66EjgeP9dZUxhraSB1qQ==, tableContent=null), ArticleFig(id=1205931310741258499, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图9, caption=
${V}_{gmin}$曲线$({V}_{\text{gmin}}-\theta )$, figureFileSmall=vYxKe+V512TFMpy6SABKBQ==, figureFileBig=nG66EjgeP9dZUxhraSB1qQ==, tableContent=null), ArticleFig(id=1205931310833533193, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 10, caption=
Frequency characteristic curves of SOGI, figureFileSmall=mTV1wZ92VTVOy2WJlm9mbQ==, figureFileBig=ch35WJ5Lakke7+3rVSqYgg==, tableContent=null), ArticleFig(id=1205931310946779403, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图10, caption=
SOGI的频率特性曲线, figureFileSmall=mTV1wZ92VTVOy2WJlm9mbQ==, figureFileBig=ch35WJ5Lakke7+3rVSqYgg==, tableContent=null), ArticleFig(id=1205931311060025617, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 11, caption=
${V}_{gmin}$curve$({V}_{\text{gmin}}-f)$, figureFileSmall=YZrGFTkli7GCaRalv6y9+Q==, figureFileBig=h6Zm6pzYs2D1JnyQ4SUOQg==, tableContent=null), ArticleFig(id=1205931311156494615, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图11, caption=
${V}_{gmin}$曲线$({V}_{\text{gmin}}-f)$, figureFileSmall=YZrGFTkli7GCaRalv6y9+Q==, figureFileBig=h6Zm6pzYs2D1JnyQ4SUOQg==, tableContent=null), ArticleFig(id=1205931311282323739, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 12, caption=
Experimental setup, figureFileSmall=BaTvMnOEH+CQT6/rf4T8yw==, figureFileBig=G7gmVoX6794hHG3AKBDthQ==, tableContent=null), ArticleFig(id=1205931311391375650, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图12, caption=
实验设备, figureFileSmall=BaTvMnOEH+CQT6/rf4T8yw==, figureFileBig=G7gmVoX6794hHG3AKBDthQ==, tableContent=null), ArticleFig(id=1205931311496233248, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 13, caption=
Experimental waveforms with $L=0.025\text{ }H$, figureFileSmall=GdUCPRToW7JAum2yjVAK4g==, figureFileBig=IQYP5+qH0TUbZK4v2sLpVA==, tableContent=null), ArticleFig(id=1205931311617868068, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图13, caption=
$L=0.025\text{ }H$时的实验波形, figureFileSmall=GdUCPRToW7JAum2yjVAK4g==, figureFileBig=IQYP5+qH0TUbZK4v2sLpVA==, tableContent=null), ArticleFig(id=1205931311756280107, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 14, caption=
Experimental waveforms with $L=0.050\text{ }H$, figureFileSmall=mha414+j1wCbYEmTcen5mA==, figureFileBig=YA4y05CatAlhsdgpXOLldA==, tableContent=null), ArticleFig(id=1205931311848554797, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图14, caption=
$L=0.050\text{ }H$时的实验波形, figureFileSmall=mha414+j1wCbYEmTcen5mA==, figureFileBig=YA4y05CatAlhsdgpXOLldA==, tableContent=null), ArticleFig(id=1205931312007938359, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 15, caption=
Experimental waveforms with reactive power injection, figureFileSmall=Lp44PfrXnvBssjibT3GZrA==, figureFileBig=T3ktT08ScmTf9e6nJ2qtjw==, tableContent=null), ArticleFig(id=1205931312209264955, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图15, caption=
无功功率注入后的实验波形, figureFileSmall=Lp44PfrXnvBssjibT3GZrA==, figureFileBig=T3ktT08ScmTf9e6nJ2qtjw==, tableContent=null), ArticleFig(id=1205931312297345344, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 16, caption=
Experimental waveforms with pre-filter, figureFileSmall=MXATma0N3XIXpaWFWH4cDw==, figureFileBig=7SSxRKY+TnUx30C8pYGs0Q==, tableContent=null), ArticleFig(id=1205931312393814338, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图16, caption=
引入前级滤波器后的实验波形, figureFileSmall=MXATma0N3XIXpaWFWH4cDw==, figureFileBig=7SSxRKY+TnUx30C8pYGs0Q==, tableContent=null), ArticleFig(id=1205931312502866245, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 17, caption=
Experimental waveforms with phase delay, figureFileSmall=e0stDFJMPQflhtwoPXtWrQ==, figureFileBig=ttu2yJev5Uud3DJYV+dK8A==, tableContent=null), ArticleFig(id=1205931312620306761, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图17, caption=
相位延迟实验波形, figureFileSmall=e0stDFJMPQflhtwoPXtWrQ==, figureFileBig=ttu2yJev5Uud3DJYV+dK8A==, tableContent=null), ArticleFig(id=1205931312729358668, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Fig. 18, caption=
Experimental waveforms with grid-side frequency fluctuations, figureFileSmall=M27e9fQ944lMBrWDhWVXxQ==, figureFileBig=C+YRAHYIR7jYlviFG3iQ+g==, tableContent=null), ArticleFig(id=1205931312825827665, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=图18, caption=
网侧频率波动的实验波形, figureFileSmall=M27e9fQ944lMBrWDhWVXxQ==, figureFileBig=C+YRAHYIR7jYlviFG3iQ+g==, tableContent=null), ArticleFig(id=1205931312930685265, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=EN, label=Tab. 1, caption=
Parameters of grid-connected VSC system
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 线路电感$L$/$L$ | $0.025$ |
| 线路阻抗角$\phi $/ rad | $0.1$ |
| 电网基准频率${f}_{\text{g}}$/${f}_{\text{g}}$ | $50$ |
| 电网电压额定值(幅值)$V$/$V$ | $220\sqrt{2}$ |
| 有功功率额定值$P$/$P$ | $5$ |
| 无功电流额定值${I}_{q\text{ref}}$/ A | $0$ |
| 开关频率${f}_{\text{s}}$/${f}_{\text{s}}$ | $2$ |
| 采样频率${f}_{\text{c}}$/${f}_{\text{c}}$ | $10$ |
| PLL比例系数${k}_{\text{p}\_\text{PLL}}$ | $1$ |
| PLL积分系数${k}_{\text{i}\_\text{PLL}}$ | $50$ |
| 电流内环比例系数${k}_{\text{p}\_\text{c}}$ | $0.000\text{ }1$ |
| 电流内环积分系数${k}_{\text{i}\_\text{c}}$ | $0.01$ |
| 功率环比例系数${k}_{\text{p}\_\text{p}}$ | $15$ |
| 功率环电压系数${k}_{\text{i}\_\text{p}}$ | $500$ |
| 直流侧电压额定值${V}_{\text{dc}}$/${V}_{\text{dc}}$ | $700$ |
), ArticleFig(id=1205931313048125783, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828032993525907, language=CN, label=表1, caption=
VSC并网系统参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 线路电感$L$/$L$ | $0.025$ |
| 线路阻抗角$\phi $/ rad | $0.1$ |
| 电网基准频率${f}_{\text{g}}$/${f}_{\text{g}}$ | $50$ |
| 电网电压额定值(幅值)$V$/$V$ | $220\sqrt{2}$ |
| 有功功率额定值$P$/$P$ | $5$ |
| 无功电流额定值${I}_{q\text{ref}}$/ A | $0$ |
| 开关频率${f}_{\text{s}}$/${f}_{\text{s}}$ | $2$ |
| 采样频率${f}_{\text{c}}$/${f}_{\text{c}}$ | $10$ |
| PLL比例系数${k}_{\text{p}\_\text{PLL}}$ | $1$ |
| PLL积分系数${k}_{\text{i}\_\text{PLL}}$ | $50$ |
| 电流内环比例系数${k}_{\text{p}\_\text{c}}$ | $0.000\text{ }1$ |
| 电流内环积分系数${k}_{\text{i}\_\text{c}}$ | $0.01$ |
| 功率环比例系数${k}_{\text{p}\_\text{p}}$ | $15$ |
| 功率环电压系数${k}_{\text{i}\_\text{p}}$ | $500$ |
| 直流侧电压额定值${V}_{\text{dc}}$/${V}_{\text{dc}}$ | $700$ |
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