Article(id=1146828035023569214, tenantId=1146029695717560320, journalId=1146031654075715584, issueId=1146828028623066093, articleNumber=null, orderNo=null, doi=10.13234/j.issn.2095-2805.2025.1.32, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1703779200000, receivedDateStr=2023-12-29, revisedDate=1709827200000, revisedDateStr=2024-03-08, acceptedDate=1713283200000, acceptedDateStr=2024-04-17, onlineDate=1751354710584, onlineDateStr=2025-07-01, pubDate=1738166400000, pubDateStr=2025-01-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751354710584, onlineIssueDateStr=2025-07-01, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=1752073866974, onlineFirstDateStr=2025-07-09, sourceXml=null, magXml=null, createTime=1751354710584, creator=13701087609, updateTime=1751354710584, 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=32, endPage=43, ext={EN=ArticleExt(id=1149844396050444922, articleId=1146828035023569214, tenantId=1146029695717560320, journalId=1146031654075715584, language=EN, title=Phase-shifted Full-bridge ZVZCS Converter with Low Duty Cycle Loss, columnId=1152281491305755501, journalTitle=Journal of Power Supply, columnName=DC-DC Converters, runingTitle=null, highlight=null, articleAbstract=
Phase-shifted full-bridge zero-voltage zero-current switching(ZVZCS) converters are favored in high- power DC conversion applications owing to their advantages such as simple structures and high efficiency. However, high-power phase-shifted full-bridge ZVZCS converters still face problems including difficulty in the current reset and severe duty cycle loss. In response to the above issues, a novel phase-shifted full-bridge ZVZCS converter is put forward, which ensures that it can realize zero-current switching over a wide load range by introducing an auxiliary circuit on the primary side to reset the current to zero before the turn-on of lagging-leg switches. At the same time, it can accelerate the commutation speed on the primary side, reduce the duty cycle loss and realize an optimized design of power supply. Based on the analysis of the circuit structure, working principle and characteristics of the proposed converter, a 1 kW experimental prototype was designed to verify its correctness.
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移相全桥零电压零电流开关ZVZCS(zero-voltage zero-current switching)变换器因结构简单、效率高等优点,在大功率直流变换应用场合备受青睐。目前,大功率移相全桥ZVZCS变换器仍存在电流复位困难、占空比丢失严重等问题。针对上述问题,提出1种新型移相全桥ZVZCS变换器,通过在一次侧引入辅助电路,在滞后桥臂开通前将电流复位至0,保证其可以在宽负载范围内实现零电流开关;与此同时,还可以加速一次侧续流换流速度,减少占空比丢失,实现电源的优化设计。在分析了变换器的电路结构、工作原理和特性的基础上,设计1台1 kW实验样机,验证了其正确性。
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封泽龙(2000— ),男,硕士研究生。研究方向:电力电子及其应用。E-mail:220611002@sust.edu.cn。
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王宇婷(1997— ),女,硕士研究生。研究方向:电力电子及其应用。E-mail:210611001@sust.edu.cn。
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徐可心(1998— ),女,硕士研究生。研究方向:电力电子及其应用。E-mail:210611011@sust.edu.cn。
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ZVZCS converter with low duty cycle loss, figureFileSmall=SBk1sE5pJqTf99h0INg1jA==, figureFileBig=2o/kEIDovGDWTihzOiSufw==, tableContent=null), ArticleFig(id=1205931308547633743, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=CN, label=图1, caption=
低占空比丢失的ZVZCS变换器, figureFileSmall=SBk1sE5pJqTf99h0INg1jA==, figureFileBig=2o/kEIDovGDWTihzOiSufw==, tableContent=null), ArticleFig(id=1205931308765737566, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=EN, label=Fig. 2, caption=
Operation modes of converter and its key operation waveforms, figureFileSmall=IO8z3LZlwwVXInKOzTQl6Q==, figureFileBig=mgGGz15faZP3dY/dPaKzIA==, tableContent=null), ArticleFig(id=1205931308862206562, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=CN, label=图2, caption=
变换器的工作模式及其主要工作波形, figureFileSmall=IO8z3LZlwwVXInKOzTQl6Q==, figureFileBig=mgGGz15faZP3dY/dPaKzIA==, tableContent=null), ArticleFig(id=1205931308962869864, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=EN, label=Fig. 3, caption=
Modes over one half of switching cycle, figureFileSmall=tZKs+FIMiQCumZqqvtYUXQ==, figureFileBig=xqAVjS43SWyECnEY/mcjCQ==, tableContent=null), ArticleFig(id=1205931309055144559, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=CN, label=图3, caption=
半个开关周期的模态, figureFileSmall=tZKs+FIMiQCumZqqvtYUXQ==, figureFileBig=xqAVjS43SWyECnEY/mcjCQ==, tableContent=null), ArticleFig(id=1205931310279881334, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=EN, label=Fig. 4, caption=
Determination of effective duty cycle, figureFileSmall=TPu43Z1n2l4L6hrE/2gvJA==, figureFileBig=ROEc2kd1da1Fk4UXb8FKCA==, tableContent=null), ArticleFig(id=1205931310422487679, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=CN, label=图4, caption=
有效占空比的确定, figureFileSmall=TPu43Z1n2l4L6hrE/2gvJA==, figureFileBig=ROEc2kd1da1Fk4UXb8FKCA==, tableContent=null), ArticleFig(id=1205931310518956676, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=EN, label=Fig. 5, caption=
Control block diagram, figureFileSmall=n4mtTrWmOHtBVWAnzg7K3Q==, figureFileBig=lxFZZYNg3V5TBwsUegINWQ==, tableContent=null), ArticleFig(id=1205931310619619980, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=CN, label=图5, caption=
控制框图, figureFileSmall=n4mtTrWmOHtBVWAnzg7K3Q==, figureFileBig=lxFZZYNg3V5TBwsUegINWQ==, tableContent=null), ArticleFig(id=1205931310724477585, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=EN, label=Fig. 6, caption=
ZVS load range of leading leg, figureFileSmall=Obg0UXg0Ut1LUPS84Jnsdw==, figureFileBig=nGRVJkpA7PhaLczJOPShEA==, tableContent=null), ArticleFig(id=1205931310825140886, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=CN, label=图6, caption=
超前桥臂ZVS的负载范围, figureFileSmall=Obg0UXg0Ut1LUPS84Jnsdw==, figureFileBig=nGRVJkpA7PhaLczJOPShEA==, tableContent=null), ArticleFig(id=1205931310879666841, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=EN, label=Fig. 7, caption=
Relationship among reset voltage, output current and leakage inductance, figureFileSmall=OTScj1na/90uBtBAh4bQ4A==, figureFileBig=YTIsPGCcNA7VbiHS9Hgd3w==, tableContent=null), ArticleFig(id=1205931310963552927, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=CN, label=图7, caption=
复位电压与输出电流和漏感的关系, figureFileSmall=OTScj1na/90uBtBAh4bQ4A==, figureFileBig=YTIsPGCcNA7VbiHS9Hgd3w==, tableContent=null), ArticleFig(id=1205931311055827619, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=EN, label=Fig. 8, caption=
Comparison of duty cycle loss, figureFileSmall=nmBcwGfarGHHzPQWt1xNuA==, figureFileBig=yESePUgd0aqHkbNyoPeMtA==, tableContent=null), ArticleFig(id=1205931311152296621, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=CN, label=图8, caption=
占空比丢失比较, figureFileSmall=nmBcwGfarGHHzPQWt1xNuA==, figureFileBig=yESePUgd0aqHkbNyoPeMtA==, tableContent=null), ArticleFig(id=1205931311282320050, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=EN, label=Fig. 9, caption=
Comparison of converter loss before and after adding auxiliary circuit, figureFileSmall=nNhQVjXMUK22qLVc5rTFqw==, figureFileBig=20uqzmgAmwFp6kdIbir60w==, tableContent=null), ArticleFig(id=1205931311395566263, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=CN, label=图9, caption=
加入辅助电路前、后的变换器损耗对比, figureFileSmall=nNhQVjXMUK22qLVc5rTFqw==, figureFileBig=20uqzmgAmwFp6kdIbir60w==, tableContent=null), ArticleFig(id=1205931311517201084, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=EN, label=Fig. 10, caption=
Power loss cause by additional devices, figureFileSmall=kIcxjv/f1n5xSqwGGlwzzg==, figureFileBig=OfCjZRFlwutd0ca1aQFU/g==, tableContent=null), ArticleFig(id=1205931311617864387, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=CN, label=图10, caption=
附加器件引起的功率损耗, figureFileSmall=kIcxjv/f1n5xSqwGGlwzzg==, figureFileBig=OfCjZRFlwutd0ca1aQFU/g==, tableContent=null), ArticleFig(id=1205931311739499207, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=EN, label=Fig. 11, caption=
Experimental prototype, figureFileSmall=sAUtPsLopaPqZ0fmTQOIYg==, figureFileBig=gb5X5dkDFDygzx91unebdQ==, tableContent=null), ArticleFig(id=1205931311848551120, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=CN, label=图11, caption=
实验样机, figureFileSmall=sAUtPsLopaPqZ0fmTQOIYg==, figureFileBig=gb5X5dkDFDygzx91unebdQ==, tableContent=null), ArticleFig(id=1205931311986963158, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=EN, label=Fig. 12, caption=
Experimental waveforms, figureFileSmall=WF2HKWmtXooJDcIOk8L/fg==, figureFileBig=/SvjeemVVDfAKCIsT+Q8Xw==, tableContent=null), ArticleFig(id=1205931312192484062, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=CN, label=图12, caption=
实验波形, figureFileSmall=WF2HKWmtXooJDcIOk8L/fg==, figureFileBig=/SvjeemVVDfAKCIsT+Q8Xw==, tableContent=null), ArticleFig(id=1205931312276370147, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=EN, label=Fig. 13, caption=
Efficiency curves, figureFileSmall=tasxsmu9VblpbOci8QPnnA==, figureFileBig=1FL/F+92CjWRBRWhQz8tzQ==, tableContent=null), ArticleFig(id=1205931312402199274, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=CN, label=图13, caption=
效率曲线, figureFileSmall=tasxsmu9VblpbOci8QPnnA==, figureFileBig=1FL/F+92CjWRBRWhQz8tzQ==, tableContent=null), ArticleFig(id=1205931312511251182, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=EN, label=Tab. 1, caption=
Comparison results of performance
, figureFileSmall=null, figureFileBig=null, tableContent=
| 文献 | 增加器件数量 | 变压器数量 | 滞后桥臂ZCS负载 范围 | 二次侧整流二极管 电压应力 | 一次侧开关管 电压应力 | 占空比丢失 | 复位电流能力 | 额定功率限制 |
| 本文 | 5 | 2 | 宽 | ${V}_{\text{in}}/{k}_{{\text{T}}_{1}}$ | Vin | ${L}_{\text{lk}}{L}_{\text{o}}/{k}_{{\text{T}}_{\text{1}}}({V}_{\text{in}}+{V}_{\text{res}})$ | 最优 | 无 |
| 文献[10] | 3 | 1 | 一般 | $({V}_{\text{in}}+{V}_{{C}_{\text{b}}})/{k}_{\text{T}}$ | ${V}_{\text{in}}+{V}_{{C}_{\text{bp}}}$ | ${L}_{\text{lk}}{L}_{\text{o}}/{k}_{\text{T}}({V}_{\text{in}}+{V}_{{C}_{\text{bp}}})$ | 一般 | 有 |
| 文献[16] | 2 | 1 | 一般 | $({V}_{\text{in}}+{V}_{{C}_{\text{b}}})/{k}_{\text{T}}$ | ${V}_{\text{in}}+{V}_{{C}_{\text{bp}}}$ | ${L}_{\text{lk}}{L}_{\text{o}}/{k}_{\text{T}}({V}_{\text{in}}+{V}_{{C}_{\text{bp}}})$ | 大 | 有 |
| 文献[17] | 2 | 1 | 一般 | VC | Vin | ${L}_{\text{lk}}{L}_{\text{o}}/{k}_{\text{T}}{V}_{\text{in}}$ | 一般 | 有 |
| 文献[18] | 4 | 1 | 一般 | Vin(2-D)/kT | Vin | ${L}_{\text{lk}}{L}_{\text{o}}/{k}_{\text{T}}{V}_{\text{in}}$ | 一般 | 有 |
| 文献[19] | 3 | 1 | 一般 | $\begin{array}{l}({V}_{\text{in}}/2+\Delta {V}_{{C}_{\text{BL}}})/{k}_{{\text{T}}_{\text{1}}}\hfill \end{array}$ | ${V}_{\text{in}}/2+\Delta {V}_{{C}_{\text{BL}}}$ | ${L}_{\text{lk}}{L}_{\text{o}}/{k}_{\text{T}}{V}_{{C}_{\text{BLmax}}}$ | 一般 | 有 |
), ArticleFig(id=1205931312616108786, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=CN, label=表1, caption=
性能比较结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 文献 | 增加器件数量 | 变压器数量 | 滞后桥臂ZCS负载 范围 | 二次侧整流二极管 电压应力 | 一次侧开关管 电压应力 | 占空比丢失 | 复位电流能力 | 额定功率限制 |
| 本文 | 5 | 2 | 宽 | ${V}_{\text{in}}/{k}_{{\text{T}}_{1}}$ | Vin | ${L}_{\text{lk}}{L}_{\text{o}}/{k}_{{\text{T}}_{\text{1}}}({V}_{\text{in}}+{V}_{\text{res}})$ | 最优 | 无 |
| 文献[10] | 3 | 1 | 一般 | $({V}_{\text{in}}+{V}_{{C}_{\text{b}}})/{k}_{\text{T}}$ | ${V}_{\text{in}}+{V}_{{C}_{\text{bp}}}$ | ${L}_{\text{lk}}{L}_{\text{o}}/{k}_{\text{T}}({V}_{\text{in}}+{V}_{{C}_{\text{bp}}})$ | 一般 | 有 |
| 文献[16] | 2 | 1 | 一般 | $({V}_{\text{in}}+{V}_{{C}_{\text{b}}})/{k}_{\text{T}}$ | ${V}_{\text{in}}+{V}_{{C}_{\text{bp}}}$ | ${L}_{\text{lk}}{L}_{\text{o}}/{k}_{\text{T}}({V}_{\text{in}}+{V}_{{C}_{\text{bp}}})$ | 大 | 有 |
| 文献[17] | 2 | 1 | 一般 | VC | Vin | ${L}_{\text{lk}}{L}_{\text{o}}/{k}_{\text{T}}{V}_{\text{in}}$ | 一般 | 有 |
| 文献[18] | 4 | 1 | 一般 | Vin(2-D)/kT | Vin | ${L}_{\text{lk}}{L}_{\text{o}}/{k}_{\text{T}}{V}_{\text{in}}$ | 一般 | 有 |
| 文献[19] | 3 | 1 | 一般 | $\begin{array}{l}({V}_{\text{in}}/2+\Delta {V}_{{C}_{\text{BL}}})/{k}_{{\text{T}}_{\text{1}}}\hfill \end{array}$ | ${V}_{\text{in}}/2+\Delta {V}_{{C}_{\text{BL}}}$ | ${L}_{\text{lk}}{L}_{\text{o}}/{k}_{\text{T}}{V}_{{C}_{\text{BLmax}}}$ | 一般 | 有 |
), ArticleFig(id=1205931312725160694, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=EN, label=Tab. 2, caption=
Detailed circuit parameters
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| 参数 | 数值 |
| 直流输入电压Vin/V | 500 |
| 输出电压Vo/V | 20 |
| 输出电流Io/A | 50 |
| 开关频率f/kHz | 20 |
| 主变压器变比${k}_{{\text{T}}_{\text{1}}}$ | 15:1 |
| 辅助变压器变比${k}_{{\text{T}}_{\text{2}}}$ | 2:1 |
| 滤波电感Lo/μH | 80 |
| 滤波电容Co/μF | 2 000 |
), ArticleFig(id=1205931312846795516, tenantId=1146029695717560320, journalId=1146031654075715584, articleId=1146828035023569214, language=CN, label=表2, caption=
具体电路参数
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| 参数 | 数值 |
| 直流输入电压Vin/V | 500 |
| 输出电压Vo/V | 20 |
| 输出电流Io/A | 50 |
| 开关频率f/kHz | 20 |
| 主变压器变比${k}_{{\text{T}}_{\text{1}}}$ | 15:1 |
| 辅助变压器变比${k}_{{\text{T}}_{\text{2}}}$ | 2:1 |
| 滤波电感Lo/μH | 80 |
| 滤波电容Co/μF | 2 000 |
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