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Article(id=1321491369982542846, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1321491279368794534, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2025.6.32, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1662307200000, receivedDateStr=2022-09-05, revisedDate=1676822400000, revisedDateStr=2023-02-20, acceptedDate=1678118400000, acceptedDateStr=2023-03-07, onlineDate=1792997694726, onlineDateStr=2026-10-26, pubDate=1761753600000, pubDateStr=2025-10-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792997694726, onlineIssueDateStr=2026-10-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792997694726, creator=13701087609, updateTime=1792997694726, 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=32, endPage=44, ext={EN=ArticleExt(id=1321491370200646655, articleId=1321491369982542846, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Optimization Method for Backflow Power of Half-bridge CLL Resonant Converter Based on Equivalent Resonant Cavity, columnId=1152281491305755501, journalTitle=Journal of Power Supply, columnName=DC-DC Converters, runingTitle=null, highlight=null, articleAbstract=

Aimed at the problem of backflow power generated by a half-bridge CLL resonant converter, a parameter design method based on the equivalent resonant cavity is proposed to optimize the backflow power and improve the conversion efficiency. First, according to the operating characteristics of an LLC converter, it is concluded that the value of backflow power can be characterized by the zero-crossing time of resonant current. Under the conditions of satisfying the voltage gain and zero-voltage switching of a switch on the primary side, the optimal resonant cavity parameters are selected according to the function curve representing the backflow power. Second, through the quantitative relationship between the CLL and the LLC resonant cavity, the resonant cavity is adjusted to be equivalent, so that the CLL has the same backflow power characteristics as the LLC. Finally, two sets of resonant cavity parameters meeting the design conditions were used for comparison and verification through simulations and experiments. Results show that under the condition of equivalent resonant cavity, both converters had the same zero-crossing time of resonance current, and the conversion efficiency was improved by about 1.3% under the conditions of quasi-resonance and full load, thus verifying the correctness and feasibility of theoretical analysis.

, authors=Hewei HUANG1, Taiqiang CAO1, Wei LI2, Junhong GUO1, authorsList=Hewei HUANG, Taiqiang CAO, Wei LI, Junhong GUO, authorCompany=null, correspAuthors=Taiqiang CAO, 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=1321491372163579905, articleId=1321491369982542846, tenantId=1146029695717560320, journalId=1146031654075715584, language=CN, title=基于等效谐振腔的半桥CLL谐振变换器回流功率优化方法, columnId=1149829799759339522, journalTitle=电源学报, columnName=DC-DC变换器, runingTitle=null, highlight=null, articleAbstract=

针对半桥CLL谐振变换器产生回流功率的问题，提出1种基于等效谐振腔的参数设计方法，以优化回流功率，提高转换效率。首先，根据LLC变换器工作特性得出可以用谐振电流过零点时间t'表征回流功率大小，在满足电压增益要求和一次侧开关管零电压开通ZVS（zero-voltage switching）的条件下，根据表征回流功率的函数曲线选取最优谐振腔参数；然后，通过CLL与LLC谐振腔之间的定量关系式，使两者谐振腔等效，从而使CLL变换器具备与LLC变换器相同的回流功率特性；最后，采用2组满足设计条件的谐振腔参数通过仿真及实验进行对比验证，结果显示在基于谐振腔等效的条件下，2种变换器有相同的谐振电流过零点时间，并且在准谐振模式、满载情况下，转换效率提高了约1.3%，验证了理论分析的正确性和可行性。

, authors=黄何伟中国电源学会学生会员1, 曹太强1, 李蔚2, 郭军宏1, authorsList=黄何伟中国电源学会学生会员, 曹太强, 李蔚, 郭军宏, authorCompany=null, correspAuthors=曹太强, authorNote=

黄何伟（1997—　），男，中国电源学会学生会员，硕士研究生。研究方向：谐振变换器拓扑及转化效率优化。E-mail：。

李蔚（1973—　），女，博士。高级工程师。研究方向：伺服控制系统科研与管理。E-mail：。

郭军宏（1995—　），男，硕士研究生。研究方向：电子电子与电力传动。E-mail：。

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曹太强（1969—　），男，通信作者，博士，教授。研究方向：电力电子与电力传动，新能源发电。E-mail：。
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黄何伟（1997—　），男，中国电源学会学生会员，硕士研究生。研究方向：谐振变换器拓扑及转化效率优化。E-mail：。

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黄何伟（1997—　），男，中国电源学会学生会员，硕士研究生。研究方向：谐振变换器拓扑及转化效率优化。E-mail：。

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李蔚（1973—　），女，博士。高级工程师。研究方向：伺服控制系统科研与管理。E-mail：。

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李蔚（1973—　），女，博士。高级工程师。研究方向：伺服控制系统科研与管理。E-mail：。

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郭军宏（1995—　），男，硕士研究生。研究方向：电子电子与电力传动。E-mail：。

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基于等效谐振腔的半桥CLL谐振变换器回流功率优化方法
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黄何伟中国电源学会学生会员 1 , 曹太强 1 , 李蔚 2 , 郭军宏 1
电源学报 | DC-DC变换器 2025,23(6): 32-44
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电源学报 |DC-DC变换器 2025 , 23 (6) : 32 -44
基于等效谐振腔的半桥CLL谐振变换器回流功率优化方法
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黄何伟中国电源学会学生会员1 , 曹太强1 , 李蔚2 , 郭军宏1
作者信息
  • 1.西华大学电气与电子信息学院，成都　610039
  • 2.四川航天烽火伺服控制技术有限公司，成都　611130
通讯作者:
曹太强（1969—　），男，通信作者，博士，教授。研究方向：电力电子与电力传动，新能源发电。E-mail：。
作者简介:

黄何伟（1997—　），男，中国电源学会学生会员，硕士研究生。研究方向：谐振变换器拓扑及转化效率优化。E-mail：。

李蔚（1973—　），女，博士。高级工程师。研究方向：伺服控制系统科研与管理。E-mail：。

郭军宏（1995—　），男，硕士研究生。研究方向：电子电子与电力传动。E-mail：。

Optimization Method for Backflow Power of Half-bridge CLL Resonant Converter Based on Equivalent Resonant Cavity
Hewei HUANG Student Member, CPSS1 , Taiqiang CAO1 , Wei LI2 , Junhong GUO1
Affiliations
  • 1.School of Electrical Engineering and Electronic Information, Xihua University, Chengdu 610039, China
  • 2.Sichuan Aerospace Fiberhome Servo Control Technology Co., Ltd., Chengdu 611130, China
出版时间: 2025-10-30 doi: 10.13234/j.issn.2095-2805.2025.6.32
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摘要
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针对半桥CLL谐振变换器产生回流功率的问题，提出1种基于等效谐振腔的参数设计方法，以优化回流功率，提高转换效率。首先，根据LLC变换器工作特性得出可以用谐振电流过零点时间t'表征回流功率大小，在满足电压增益要求和一次侧开关管零电压开通ZVS（zero-voltage switching）的条件下，根据表征回流功率的函数曲线选取最优谐振腔参数；然后，通过CLL与LLC谐振腔之间的定量关系式，使两者谐振腔等效，从而使CLL变换器具备与LLC变换器相同的回流功率特性；最后，采用2组满足设计条件的谐振腔参数通过仿真及实验进行对比验证，结果显示在基于谐振腔等效的条件下，2种变换器有相同的谐振电流过零点时间，并且在准谐振模式、满载情况下，转换效率提高了约1.3%，验证了理论分析的正确性和可行性。

半桥谐振变换器  /  回流功率  /  转换效率  /  等效谐振腔  /  电压增益  /  软开关

Aimed at the problem of backflow power generated by a half-bridge CLL resonant converter, a parameter design method based on the equivalent resonant cavity is proposed to optimize the backflow power and improve the conversion efficiency. First, according to the operating characteristics of an LLC converter, it is concluded that the value of backflow power can be characterized by the zero-crossing time of resonant current. Under the conditions of satisfying the voltage gain and zero-voltage switching of a switch on the primary side, the optimal resonant cavity parameters are selected according to the function curve representing the backflow power. Second, through the quantitative relationship between the CLL and the LLC resonant cavity, the resonant cavity is adjusted to be equivalent, so that the CLL has the same backflow power characteristics as the LLC. Finally, two sets of resonant cavity parameters meeting the design conditions were used for comparison and verification through simulations and experiments. Results show that under the condition of equivalent resonant cavity, both converters had the same zero-crossing time of resonance current, and the conversion efficiency was improved by about 1.3% under the conditions of quasi-resonance and full load, thus verifying the correctness and feasibility of theoretical analysis.

Half-bridge resonant converter  /  backflow power  /  conversion efficiency  /  equivalent resonant cavity  /  voltage gain  /  soft switch
黄何伟中国电源学会学生会员, 曹太强, 李蔚, 郭军宏. 基于等效谐振腔的半桥CLL谐振变换器回流功率优化方法. 电源学报, 2025 , 23 (6) : 32 -44 . DOI: 10.13234/j.issn.2095-2805.2025.6.32
Hewei HUANG, Taiqiang CAO, Wei LI, Junhong GUO. Optimization Method for Backflow Power of Half-bridge CLL Resonant Converter Based on Equivalent Resonant Cavity[J]. Journal of Power Supply, 2025 , 23 (6) : 32 -44 . DOI: 10.13234/j.issn.2095-2805.2025.6.32
基金
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  • 四川省科技计划资助项目(2023YFG0338; 2024ZYD0250)
  • 成都市科技资助项目(2024-YF08-00033-GX; 2024-YF08-00016-GX; 2024-YF08-00136-GX; 2024-YF08-00082-GX)
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2025年第23卷第6期
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doi: 10.13234/j.issn.2095-2805.2025.6.32
  • 接收时间：2022-09-05
  • 首发时间：2026-10-26
  • 出版时间：2025-10-30
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  • 收稿日期：2022-09-05
  • 修回日期：2023-02-20
  • 录用日期：2023-03-07
基金
Sichuan Science and Technology Program(2023YFG0338; 2024ZYD0250)
四川省科技计划资助项目(2023YFG0338; 2024ZYD0250)
Science and Technology Projects in Chengdu(2024-YF08-00033-GX; 2024-YF08-00016-GX; 2024-YF08-00136-GX; 2024-YF08-00082-GX)
成都市科技资助项目(2024-YF08-00033-GX; 2024-YF08-00016-GX; 2024-YF08-00136-GX; 2024-YF08-00082-GX)
作者信息
    1.西华大学电气与电子信息学院，成都　610039
    2.四川航天烽火伺服控制技术有限公司，成都　611130

通讯作者:

曹太强（1969—　），男，通信作者，博士，教授。研究方向：电力电子与电力传动，新能源发电。E-mail：。
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https://castjournals.cast.org.cn/joweb/dyxb/CN/10.13234/j.issn.2095-2805.2025.6.32
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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
Number of
species		 占总种数比例
Percentage of total
species (%)
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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