Article(id=1223210587149156725, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223210584024400210, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20221534, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1658851200000, receivedDateStr=2022-07-27, revisedDate=1661702400000, revisedDateStr=2022-08-29, acceptedDate=null, acceptedDateStr=null, onlineDate=1769565730130, onlineDateStr=2026-01-28, pubDate=1687622400000, pubDateStr=2023-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769565730130, onlineIssueDateStr=2026-01-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769565730130, creator=13701087609, updateTime=1769565730130, updator=13701087609, issue=Issue{id=1223210584024400210, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='6', pageStart='1', pageEnd='220', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769565729385, creator=13701087609, updateTime=1769593153259, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223325608164348105, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223210584024400210, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223325608164348106, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1223210584024400210, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=206, endPage=210, ext={EN=ArticleExt(id=1223210589074342307, articleId=1223210587149156725, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Active Power Decoupling Control Strategy of Single-phase Inverter Based on Buck Converter, columnId=1222940986234364233, journalTitle=Water Resources and Power, columnName=ELECTRICAL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

The power imbalance between DC side and AC side of single-phase grid-connected photovoltaic inverter leads to double frequency power pulsation on DC side. The additional active power decoupling circuit can effectively suppress the secondary ripple, but due to the additional components, the system efficiency of single-phase inverter will be reduced. Aiming at the above problems, this paper proposes a control strategy based on Buck converter that can reduce the power loss of decoupling circuit. By calculating the power loss of the decoupling circuit and analyzing the working constraints, the relationship between the power loss and the average voltage of the decoupling capacitor was obtained, and then a control strategy to directly control the average voltage of the decoupling capacitor was proposed. Simulation results show that the proposed control strategy can effectively suppress the DC side voltage ripple and reduce the power loss of the decoupled circuit.

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单相光伏并网逆变器直流侧与交流侧功率不平衡会导致直流侧产生二倍频功率脉动,附加有源功率解耦(APD)电路虽可以有效抑制二次纹波,但由于附加了额外的元件,必然会导致单相逆变器的系统工作效率降低。对此,提出了一种基于Buck变换器的可以降低解耦电路功率损耗的控制策略,通过对解耦电路功率损耗的计算及其工作约束条件的分析,得到功率损耗与解耦电容平均电压值之间的关系,进而提出一种直接控制解耦电容平均电压的控制策略。仿真验证表明,所提控制策略有效抑制了直流侧电压纹波,并降低了解耦电路的功率损耗。

, correspAuthors=null, authorNote=null, correspAuthorsNote=
边敦新(1971-),男,博士、副教授、硕导,研究方向为新能源发电与电力电子技术,E-mail:
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罗晓阳(1997-),男,硕士研究生,研究方向为新能源发电与电力电子技术,E-mail:

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罗晓阳(1997-),男,硕士研究生,研究方向为新能源发电与电力电子技术,E-mail:

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罗晓阳(1997-),男,硕士研究生,研究方向为新能源发电与电力电子技术,E-mail:

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基于Buck变换器的单相逆变器有源功率解耦控制策略
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罗晓阳 , 边敦新 , 赵晓英
水电能源科学 | 电气工程 2023,41(6): 206-210
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水电能源科学 | 电气工程 2023, 41(6): 206-210
基于Buck变换器的单相逆变器有源功率解耦控制策略
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罗晓阳 , 边敦新 , 赵晓英
作者信息
  • 山东理工大学电气与电子工程学院,山东 淄博 255000
  • 罗晓阳(1997-),男,硕士研究生,研究方向为新能源发电与电力电子技术,E-mail:

通讯作者:

边敦新(1971-),男,博士、副教授、硕导,研究方向为新能源发电与电力电子技术,E-mail:
Active Power Decoupling Control Strategy of Single-phase Inverter Based on Buck Converter
Xiao-yang LUO , Dun-xin BIAN , Xiao-ying ZHAO
Affiliations
  • School of Electrical and Electronic Engineering, Shandong University of Technology, Zibo 255000, China
出版时间: 2023-06-25 doi: 10.20040/j.cnki.1000-7709.2023.20221534
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单相光伏并网逆变器直流侧与交流侧功率不平衡会导致直流侧产生二倍频功率脉动,附加有源功率解耦(APD)电路虽可以有效抑制二次纹波,但由于附加了额外的元件,必然会导致单相逆变器的系统工作效率降低。对此,提出了一种基于Buck变换器的可以降低解耦电路功率损耗的控制策略,通过对解耦电路功率损耗的计算及其工作约束条件的分析,得到功率损耗与解耦电容平均电压值之间的关系,进而提出一种直接控制解耦电容平均电压的控制策略。仿真验证表明,所提控制策略有效抑制了直流侧电压纹波,并降低了解耦电路的功率损耗。

单相逆变器  /  二倍频功率脉动  /  有源功率解耦  /  功率损耗

The power imbalance between DC side and AC side of single-phase grid-connected photovoltaic inverter leads to double frequency power pulsation on DC side. The additional active power decoupling circuit can effectively suppress the secondary ripple, but due to the additional components, the system efficiency of single-phase inverter will be reduced. Aiming at the above problems, this paper proposes a control strategy based on Buck converter that can reduce the power loss of decoupling circuit. By calculating the power loss of the decoupling circuit and analyzing the working constraints, the relationship between the power loss and the average voltage of the decoupling capacitor was obtained, and then a control strategy to directly control the average voltage of the decoupling capacitor was proposed. Simulation results show that the proposed control strategy can effectively suppress the DC side voltage ripple and reduce the power loss of the decoupled circuit.

single-phase inverter  /  double frequency power pulsation  /  active power decoupling  /  power loss
罗晓阳, 边敦新, 赵晓英. 基于Buck变换器的单相逆变器有源功率解耦控制策略. 水电能源科学, 2023 , 41 (6) : 206 -210 . DOI: 10.20040/j.cnki.1000-7709.2023.20221534
Xiao-yang LUO, Dun-xin BIAN, Xiao-ying ZHAO. Active Power Decoupling Control Strategy of Single-phase Inverter Based on Buck Converter[J]. Water Resources and Power, 2023 , 41 (6) : 206 -210 . DOI: 10.20040/j.cnki.1000-7709.2023.20221534
2023年第41卷第6期
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doi: 10.20040/j.cnki.1000-7709.2023.20221534
  • 接收时间:2022-07-27
  • 首发时间:2026-01-28
  • 出版时间:2023-06-25
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  • 收稿日期:2022-07-27
  • 修回日期:2022-08-29
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    山东理工大学电气与电子工程学院,山东 淄博 255000

通讯作者:

边敦新(1971-),男,博士、副教授、硕导,研究方向为新能源发电与电力电子技术,E-mail:
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2种不同金属材料的力学参数

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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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