Article(id=1195437524651914084, tenantId=1146029695717560320, journalId=1190306094246359042, issueId=1195437520126260033, articleNumber=null, orderNo=null, doi=10.19595/j.cnki.1000-6753.tces.L11056, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1721836800000, receivedDateStr=2024-07-25, revisedDate=1723046400000, revisedDateStr=2024-08-08, acceptedDate=null, acceptedDateStr=null, onlineDate=1762944116032, onlineDateStr=2025-11-12, pubDate=1748102400000, pubDateStr=2025-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1762944116032, onlineIssueDateStr=2025-11-12, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1762944116032, creator=13701087609, updateTime=1762944116032, updator=13701087609, issue=Issue{id=1195437520126260033, tenantId=1146029695717560320, journalId=1190306094246359042, year='2025', volume='40', issue='10', pageStart='3013', pageEnd='3338', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1762944114953, creator=13701087609, updateTime=1764237254519, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1200861340710596791, tenantId=1146029695717560320, journalId=1190306094246359042, issueId=1195437520126260033, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1200861340710596792, tenantId=1146029695717560320, journalId=1190306094246359042, issueId=1195437520126260033, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=3170, endPage=3180, ext={EN=ArticleExt(id=1195437525100704616, articleId=1195437524651914084, tenantId=1146029695717560320, journalId=1190306094246359042, language=EN, title=Electric Field Distribution and Insulation Characteristics of High-Frequency Current-Transformer-Based Isolated Power Supply for High-Voltage SiC Equipment, columnId=null, journalTitle=Transactions of China Electrotechnical Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Developing high-voltage silicon carbide (SiC) devices has enabled breakthroughs in voltage levels, power density, and efficiency in power electronic systems. Research institutions and manufacturers have recently created high-voltage SiC devices with ratings over 10 kV and 15 kV. These devices can increase the voltage level of large-capacity converters to 10 kV or higher and achieve megawatt power levels using only two- or three-level topologies. However, as voltage levels rise, the isolated power supplies for the SiC device drive circuits face greater challenges in voltage-withstand capability. These isolated power supplies draw power from the low-voltage side to supply the high-potential drive circuits. While they only need a few watts, they must withstand isolation voltages from several kilovolts to tens of kilovolts because they connect to the main circuit of the converter.
The high-frequency current transformer (HCT) is a promising isolated power supply structure known for its strong resistance to dv/dt. This advantage comes from the high integration of ultrahigh-frequency electromagnetic coupling and the low coupling capacitance of single-turn coils on the primary side. However, current research on HCT-isolated power supply mainly targets optimizing transmission efficiency, power, and coupling capacitance. There has been little systematic study of its unique insulation characteristics. As a result, the optimization design methods are unclear, and assessing insulation voltage capacity is challenging.
This paper investigates the insulation characteristics of the HCT-isolated power supply for high-voltage SiC devices. It examines six key structural factors: the inner diameter, height, and thickness of the magnetic core, as well as the winding method and wire diameter for both primary and secondary windings. This paper proposes an electric field optimization design method under compact size constraints. Additionally, a high voltage experimental platform was established to clarify the relationship between key structural parameters and the initiation voltage and discharge magnitude of partial discharges. The voltage withstand characteristics of the HCT isolated power supply were also verified. Simulation and experimental results indicate that using concentrated winding for the secondary winding results in a more uniform electric field within the structure. The inner diameter and height of the magnetic core, as well as the turns and diameter of the secondary winding, have significant effects on the electric field and partial discharge. However, the thickness of the magnetic core has a relatively weak influence on insulation capability. This study provides a theoretical basis for the design and optimization of the HCT-isolated power supply and experimentally verifies the specific effects of key structural parameters on insulation performance.
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高频电流互感器(HCT)型隔离取能电源具有优异的低寄生电容和强隔离能力,在高压碳化硅(SiC)器件及装备应用中具有良好的应用前景。然而,该装置的复杂结构带来了绝缘特性不明和高效耐压提升方法不清等问题。因此,该文首先构建HCT型隔离电源的三维等效仿真模型,系统探究了磁心尺寸、绕组匝数、隔离距离等7个关键结构参数对取能电源高压电场分布的影响特性,提出多因素耦合下的优化设计方法。然后搭建HCT型隔离取能电源高压实验平台,通过实验探究了关键结构因素对局部放电量形成和发展的关联规律,明晰了不同结构尺寸下的HCT型电源耐压强度,最终为HCT型隔离取能电源的绝缘优化设计奠定了理论基础。
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, authorsList=唐海博, 潘建宇, 姜怡, 闫升, 田鸿昌)}, authors=[Author(id=1200881536729051238, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=tanghaibo@cqu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1200881536846491759, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, authorId=1200881536729051238, language=EN, stringName=Haibo Tang, firstName=Haibo, middleName=null, lastName=Tang, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 State Key Laboratory of Power Transmission Equipment Technology Chongqing University Chongqing 400044 China
2 National Innovation Center for Industry-Education Integration of Energy Storage Technology Chongqing University Chongqing 400044 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1200881536980709499, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, authorId=1200881536729051238, language=CN, stringName=唐海博, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 输变电装备技术全国重点实验室(重庆大学) 重庆 400044
2 重庆大学国家储能技术产教融合创新平台 重庆 400044, bio={"content":"
唐海博 男,1998年生,博士研究生,研究方向为碳化硅器件应用。E-mail: tanghaibo@cqu.edu.cn
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唐海博 男,1998年生,博士研究生,研究方向为碳化硅器件应用。E-mail: tanghaibo@cqu.edu.cn
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1 State Key Laboratory of Power Transmission Equipment Technology Chongqing University Chongqing 400044 China
2 National Innovation Center for Industry-Education Integration of Energy Storage Technology Chongqing University Chongqing 400044 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1200881537450471583, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, authorId=1200881537135898761, language=CN, stringName=潘建宇, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 输变电装备技术全国重点实验室(重庆大学) 重庆 400044
2 重庆大学国家储能技术产教融合创新平台 重庆 400044, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1200881535286210626, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, xref=1, ext=[AuthorCompanyExt(id=1200881535328153668, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881535286210626, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 State Key Laboratory of Power Transmission Equipment Technology Chongqing University Chongqing 400044 China), AuthorCompanyExt(id=1200881535340736582, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881535286210626, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 输变电装备技术全国重点实验室(重庆大学) 重庆 400044)]), AuthorCompany(id=1200881536448032845, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, xref=2, ext=[AuthorCompanyExt(id=1200881536464810062, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881536448032845, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 National Innovation Center for Industry-Education Integration of Energy Storage Technology Chongqing University Chongqing 400044 China), AuthorCompanyExt(id=1200881536473198671, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881536448032845, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 重庆大学国家储能技术产教融合创新平台 重庆 400044)])]), Author(id=1200881537651798182, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1200881537895067831, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, authorId=1200881537651798182, language=EN, stringName=Yi Jiang, firstName=Yi, middleName=null, lastName=Jiang, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1 State Key Laboratory of Power Transmission Equipment Technology Chongqing University Chongqing 400044 China
2 National Innovation Center for Industry-Education Integration of Energy Storage Technology Chongqing University Chongqing 400044 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1200881538067034303, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, authorId=1200881537651798182, language=CN, stringName=姜怡, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1 输变电装备技术全国重点实验室(重庆大学) 重庆 400044
2 重庆大学国家储能技术产教融合创新平台 重庆 400044, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1200881535286210626, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, xref=1, ext=[AuthorCompanyExt(id=1200881535328153668, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881535286210626, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 State Key Laboratory of Power Transmission Equipment Technology Chongqing University Chongqing 400044 China), AuthorCompanyExt(id=1200881535340736582, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881535286210626, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 输变电装备技术全国重点实验室(重庆大学) 重庆 400044)]), AuthorCompany(id=1200881536448032845, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, xref=2, ext=[AuthorCompanyExt(id=1200881536464810062, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881536448032845, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 重庆大学国家储能技术产教融合创新平台 重庆 400044)])]), Author(id=1200881538314498250, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1200881538490659028, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, authorId=1200881538314498250, language=EN, stringName=Sheng Yan, firstName=Sheng, middleName=null, lastName=Yan, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1 State Key Laboratory of Power Transmission Equipment Technology Chongqing University Chongqing 400044 China
2 National Innovation Center for Industry-Education Integration of Energy Storage Technology Chongqing University Chongqing 400044 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1200881538620682460, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, authorId=1200881538314498250, language=CN, stringName=闫升, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1 输变电装备技术全国重点实验室(重庆大学) 重庆 400044
2 重庆大学国家储能技术产教融合创新平台 重庆 400044, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1200881535286210626, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, xref=1, ext=[AuthorCompanyExt(id=1200881535328153668, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881535286210626, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1 输变电装备技术全国重点实验室(重庆大学) 重庆 400044)]), AuthorCompany(id=1200881536448032845, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, xref=2, ext=[AuthorCompanyExt(id=1200881536464810062, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881536448032845, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 National Innovation Center for Industry-Education Integration of Energy Storage Technology Chongqing University Chongqing 400044 China), AuthorCompanyExt(id=1200881536473198671, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881536448032845, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 重庆大学国家储能技术产教融合创新平台 重庆 400044)])]), Author(id=1200881538813620451, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1200881538993975525, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, authorId=1200881538813620451, language=EN, stringName=Hongchang Tian, firstName=Hongchang, middleName=null, lastName=Tian, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3 China Electical Equipment Research Institute of Science and Technology Co. Ltd Shanghai 200040 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1200881539103027436, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, authorId=1200881538813620451, language=CN, stringName=田鸿昌, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
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37(5): 5422-5432., articleTitle=Electric- field-dominated partial discharge in medium voltage SiC power module packaging: model, mechanism, reshaping, and assessment, refAbstract=null)], funds=[Fund(id=1200881552264753849, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, awardId=CSTB2024TIAD-STX0024, language=CN, fundingSource=重庆市技术创新与应用发展重大专项(CSTB2024TIAD-STX0024), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1200881535286210626, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, xref=1, ext=[AuthorCompanyExt(id=1200881535328153668, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881535286210626, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 State Key Laboratory of Power Transmission Equipment Technology Chongqing University Chongqing 400044 China), AuthorCompanyExt(id=1200881535340736582, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881535286210626, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 输变电装备技术全国重点实验室(重庆大学) 重庆 400044)]), AuthorCompany(id=1200881536448032845, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, xref=2, ext=[AuthorCompanyExt(id=1200881536464810062, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881536448032845, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 National Innovation Center for Industry-Education Integration of Energy Storage Technology Chongqing University Chongqing 400044 China), AuthorCompanyExt(id=1200881536473198671, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881536448032845, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 重庆大学国家储能技术产教融合创新平台 重庆 400044)]), AuthorCompany(id=1200881536586444890, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, xref=3, ext=[AuthorCompanyExt(id=1200881536594833499, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881536586444890, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 China Electical Equipment Research Institute of Science and Technology Co. Ltd Shanghai 200040 China), AuthorCompanyExt(id=1200881536603222108, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, companyId=1200881536586444890, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 中国电气装备集团科学技术研究院有限公司 上海 200040)])], figs=[ArticleFig(id=1200881541485392175, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.1, caption=
Comparison of the characteristics of four power transfer structures, figureFileSmall=MoZa2/CWlSdq7qWb8BJHGw==, figureFileBig=+m8r8IOiLX43bWKvYeXAUA==, tableContent=null), ArticleFig(id=1200881541598638390, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图1, caption=
四种隔离取能结构特性对比, figureFileSmall=MoZa2/CWlSdq7qWb8BJHGw==, figureFileBig=+m8r8IOiLX43bWKvYeXAUA==, tableContent=null), ArticleFig(id=1200881541804159295, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.2, caption=
Schematic diagram of HCT isolated power transfer device, figureFileSmall=VdvdJmMEr5R37+Ji6u7Zzg==, figureFileBig=7ZgUfDU63jmFSjc5fQA5lQ==, tableContent=null), ArticleFig(id=1200881541959348552, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图2, caption=
HCT型隔离取能装置工作原理, figureFileSmall=VdvdJmMEr5R37+Ji6u7Zzg==, figureFileBig=7ZgUfDU63jmFSjc5fQA5lQ==, tableContent=null), ArticleFig(id=1200881542131315026, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.3, caption=
Electrostatic field finite element model of HCT isolated transfer, figureFileSmall=0lC4MKI5Aua3o0JCdvCQhg==, figureFileBig=DHxqyqvu65cdVPQgT7hwjQ==, tableContent=null), ArticleFig(id=1200881542328447324, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图3, caption=
HCT型隔离取能结构静电场有限元模型, figureFileSmall=0lC4MKI5Aua3o0JCdvCQhg==, figureFileBig=DHxqyqvu65cdVPQgT7hwjQ==, tableContent=null), ArticleFig(id=1200881542487830884, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.4, caption=
Method of winding the secondary windings, figureFileSmall=HfWvfweay+f88PnGvCk5Yg==, figureFileBig=Djiyo682R6IP4++q1nM66A==, tableContent=null), ArticleFig(id=1200881542588494185, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图4, caption=
二次绕组绕制方式, figureFileSmall=HfWvfweay+f88PnGvCk5Yg==, figureFileBig=Djiyo682R6IP4++q1nM66A==, tableContent=null), ArticleFig(id=1200881542835958137, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.5, caption=
Electrostatic field distribution under two winding methods, figureFileSmall=SVHApywEG08zd4MM4Z7Dmw==, figureFileBig=6q+OWzxEztPh9FfkGh4rcA==, tableContent=null), ArticleFig(id=1200881542982758786, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图5, caption=
两种绕制方式下的静电场分布, figureFileSmall=SVHApywEG08zd4MM4Z7Dmw==, figureFileBig=6q+OWzxEztPh9FfkGh4rcA==, tableContent=null), ArticleFig(id=1200881543154725262, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.6, caption=
Electrostatic field distribution diagrams with different number of turns of the secondary winding, figureFileSmall=+5J0PKmk/PUw89yPX6YRPg==, figureFileBig=giWPVKsGbWa2R3jAn6fdLw==, tableContent=null), ArticleFig(id=1200881543293137302, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图6, caption=
不同二次绕组匝数下的静电场分布, figureFileSmall=+5J0PKmk/PUw89yPX6YRPg==, figureFileBig=giWPVKsGbWa2R3jAn6fdLw==, tableContent=null), ArticleFig(id=1200881543418966431, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.7, caption=
Impact of the number of turns of the secondarsy winding on Emax, figureFileSmall=pSYMs5YCqoGqle/Z6rHF9g==, figureFileBig=bHklibgSiIDs5Na0/Mq4HA==, tableContent=null), ArticleFig(id=1200881543540601256, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图7, caption=
二次绕组匝数对Emax的影响规律, figureFileSmall=pSYMs5YCqoGqle/Z6rHF9g==, figureFileBig=bHklibgSiIDs5Na0/Mq4HA==, tableContent=null), ArticleFig(id=1200881543699984817, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.8, caption=
Electrostatic field distribution diagrams with different inner diameters, figureFileSmall=c5DS2+/UvHlQoBQEeFEXtg==, figureFileBig=xIObCjYl4uGwetRDhjQ4rg==, tableContent=null), ArticleFig(id=1200881543850979766, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图8, caption=
不同内径di下的静电场分布, figureFileSmall=c5DS2+/UvHlQoBQEeFEXtg==, figureFileBig=xIObCjYl4uGwetRDhjQ4rg==, tableContent=null), ArticleFig(id=1200881543972614588, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.9, caption=
Impact of core inner diameter on Emax, figureFileSmall=wo1q4IajePZzPCm0YjDavg==, figureFileBig=/3nLzgodKRc/obfHOBn6Sw==, tableContent=null), ArticleFig(id=1200881544173941187, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图9, caption=
磁心内径di对Emax的影响规律, figureFileSmall=wo1q4IajePZzPCm0YjDavg==, figureFileBig=/3nLzgodKRc/obfHOBn6Sw==, tableContent=null), ArticleFig(id=1200881544308158924, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.10, caption=
Electrostatic field distribution diagrams with different core thicknesses, figureFileSmall=A7hO+mEBqxtl9MRozLzmHg==, figureFileBig=fQPkEyfuErPXx71pIQF1AQ==, tableContent=null), ArticleFig(id=1200881545516118478, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图10, caption=
不同磁心厚度tc下的静电场分布, figureFileSmall=A7hO+mEBqxtl9MRozLzmHg==, figureFileBig=fQPkEyfuErPXx71pIQF1AQ==, tableContent=null), ArticleFig(id=1200881545646141908, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.11, caption=
The impact of core thickness tc on Emax, figureFileSmall=GdrhKsL+2UIIQuu+vX1yYQ==, figureFileBig=h428QYZbWVAIMANnNejSPg==, tableContent=null), ArticleFig(id=1200881545813914074, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图11, caption=
磁心厚度tc对Emax的影响规律, figureFileSmall=GdrhKsL+2UIIQuu+vX1yYQ==, figureFileBig=h428QYZbWVAIMANnNejSPg==, tableContent=null), ArticleFig(id=1200881545994269156, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.12, caption=
Electrostatic field distribution diagrams with different core heights, figureFileSmall=tS4YhIpVMwlSYLJxUO/oJA==, figureFileBig=5mMhPbh72UVbKjd5oA+h9w==, tableContent=null), ArticleFig(id=1200881546233344496, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图12, caption=
不同磁心高度hc下的静电场分布, figureFileSmall=tS4YhIpVMwlSYLJxUO/oJA==, figureFileBig=5mMhPbh72UVbKjd5oA+h9w==, tableContent=null), ArticleFig(id=1200881546392728057, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.13, caption=
The effect of core height hc on Emax, figureFileSmall=15OfOQPcpi0nENvzLrA6WA==, figureFileBig=0LxrpLlnsscwGIvIA2WTeQ==, tableContent=null), ArticleFig(id=1200881546539528703, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图13, caption=
磁心高度hc对Emax的影响规律, figureFileSmall=15OfOQPcpi0nENvzLrA6WA==, figureFileBig=0LxrpLlnsscwGIvIA2WTeQ==, tableContent=null), ArticleFig(id=1200881546690523651, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.14, caption=
Electrostatic field distribution diagram of HCT isolated power transfer under different primary winding diameters dp, figureFileSmall=v3Ph+cuSq+B/lWrYWkUGDQ==, figureFileBig=vDmW8cGLNMgSgL1ckd1Tew==, tableContent=null), ArticleFig(id=1200881546900238858, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图14, caption=
不同一次绕组直径dp下的静电场分布, figureFileSmall=v3Ph+cuSq+B/lWrYWkUGDQ==, figureFileBig=vDmW8cGLNMgSgL1ckd1Tew==, tableContent=null), ArticleFig(id=1200881547080593942, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.15, caption=
The effect of primary winding diameters dp on Emax, figureFileSmall=bpIpC7yVbR5FpSuZtKozEg==, figureFileBig=9CJ118bkMIYfDOGHYo0w2A==, tableContent=null), ArticleFig(id=1200881547193840152, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图15, caption=
一次绕组直径dp对Emax的影响规律, figureFileSmall=bpIpC7yVbR5FpSuZtKozEg==, figureFileBig=9CJ118bkMIYfDOGHYo0w2A==, tableContent=null), ArticleFig(id=1200881547332252193, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.16, caption=
Optimized design scheme of insulation capacity, figureFileSmall=RJ3oSX2hMjtSs5oLP6PG5A==, figureFileBig=CPQXvxYhKAbv3G9Up3mf/g==, tableContent=null), ArticleFig(id=1200881547462275623, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图16, caption=
绝缘能力优化设计方法流程, figureFileSmall=RJ3oSX2hMjtSs5oLP6PG5A==, figureFileBig=CPQXvxYhKAbv3G9Up3mf/g==, tableContent=null), ArticleFig(id=1200881547575521837, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.17, caption=
Schematic diagram of experimental platform, figureFileSmall=x9vAIVtXBXxkfTxnDEHgYQ==, figureFileBig=FOkLpS0fVxt2KEcGy2JNCQ==, tableContent=null), ArticleFig(id=1200881547676185138, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图17, caption=
高压测试实验平台原理, figureFileSmall=x9vAIVtXBXxkfTxnDEHgYQ==, figureFileBig=FOkLpS0fVxt2KEcGy2JNCQ==, tableContent=null), ArticleFig(id=1200881547848151612, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.18, caption=
High voltage testing experimental platform, figureFileSmall=yAqaIEqxS3eDtbrIw1Nm+w==, figureFileBig=kF+TQuj1CEFRUkXxP6XkCg==, tableContent=null), ArticleFig(id=1200881547982369342, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图18, caption=
高压实验平台, figureFileSmall=yAqaIEqxS3eDtbrIw1Nm+w==, figureFileBig=kF+TQuj1CEFRUkXxP6XkCg==, tableContent=null), ArticleFig(id=1200881548091421247, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.19, caption=
Amplitude of discharge of the product to be tested at different voltages, figureFileSmall=UWWbzrlsQJI12PKhCc38VA==, figureFileBig=YcRqa3tw1IhbAM8UItJEIA==, tableContent=null), ArticleFig(id=1200881548355662409, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图19, caption=
待测品在不同电压下的放电幅值, figureFileSmall=UWWbzrlsQJI12PKhCc38VA==, figureFileBig=YcRqa3tw1IhbAM8UItJEIA==, tableContent=null), ArticleFig(id=1200881548477297228, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.20, caption=
High voltage test results for core inner diameter dc, figureFileSmall=RxDdDyefRg5dhgAMHK6bMg==, figureFileBig=hvJzdnvgahQNSBlpKZqiQA==, tableContent=null), ArticleFig(id=1200881548682818134, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图20, caption=
不同磁心内径dc的高压测试结果, figureFileSmall=RxDdDyefRg5dhgAMHK6bMg==, figureFileBig=hvJzdnvgahQNSBlpKZqiQA==, tableContent=null), ArticleFig(id=1200881549894971997, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.21, caption=
High voltage test results for different core heights hc, figureFileSmall=zV+ULn6Fum2iDGNxh8Guyg==, figureFileBig=fXQhOI9vJwXPnh4YIn0ciQ==, tableContent=null), ArticleFig(id=1200881550096298596, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图21, caption=
不同磁心高度hc的高压测试结果, figureFileSmall=zV+ULn6Fum2iDGNxh8Guyg==, figureFileBig=fXQhOI9vJwXPnh4YIn0ciQ==, tableContent=null), ArticleFig(id=1200881550255682156, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.22, caption=
High voltage test results for core thickness tc, figureFileSmall=icUrGEbWBGKoHpx138vBcA==, figureFileBig=qB7rc67qWeEpIl8IUjIYiQ==, tableContent=null), ArticleFig(id=1200881550452814448, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图22, caption=
磁心厚度tc的高压测试结果, figureFileSmall=icUrGEbWBGKoHpx138vBcA==, figureFileBig=qB7rc67qWeEpIl8IUjIYiQ==, tableContent=null), ArticleFig(id=1200881550687695479, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.23, caption=
High voltage test results for the number of turns n of the secondary winding, figureFileSmall=D3vnFmrOIuE8OHSx3tVlzQ==, figureFileBig=L8nO5ttJtflnfrkHJtuiCg==, tableContent=null), ArticleFig(id=1200881550868050554, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图23, caption=
二次绕组匝数n的高压测试结果, figureFileSmall=D3vnFmrOIuE8OHSx3tVlzQ==, figureFileBig=L8nO5ttJtflnfrkHJtuiCg==, tableContent=null), ArticleFig(id=1200881551182623369, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Fig.24, caption=
High voltage experimental results for core thickness dc, figureFileSmall=YfDCMzbfiK85z923fMfO4Q==, figureFileBig=znfTpYMv0Y6uB4eyhO3M5A==, tableContent=null), ArticleFig(id=1200881551342006924, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=图24, caption=
不同磁心内径dc隔离电源结构的耐压实验结果, figureFileSmall=YfDCMzbfiK85z923fMfO4Q==, figureFileBig=znfTpYMv0Y6uB4eyhO3M5A==, tableContent=null), ArticleFig(id=1200881551484613270, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=EN, label=Tab.1, caption=
Simulation parameters of the FEM model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参 数 | 数 值 |
| 磁心 | 内径/mm | 30 |
| 高度/mm | 10 |
| 厚度/mm | 5 |
| 二次绕组 | 匝数 | 5 |
| 直径/mm | 1.2 |
| 一次绕组 | 直径/mm | 2 |
| 穿心位置 | 磁心中心 |
), ArticleFig(id=1200881551623025306, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437524651914084, language=CN, label=表1, caption=
有限元模型仿真参数值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参 数 | 数 值 |
| 磁心 | 内径/mm | 30 |
| 高度/mm | 10 |
| 厚度/mm | 5 |
| 二次绕组 | 匝数 | 5 |
| 直径/mm | 1.2 |
| 一次绕组 | 直径/mm | 2 |
| 穿心位置 | 磁心中心 |
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Network segmentation setup of FEM simulation
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| 对象 | 一次绕组 | 二次绕组 | 磁心 | 求解区域 |
| 最小边长/mm | 1.0 | 0.5 | 4.0 | 13.0 |
| 网格数量 | 22 852 | 109 517 | 38 444 | 214 611 |
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有限元仿真网络剖分设置
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| 对象 | 一次绕组 | 二次绕组 | 磁心 | 求解区域 |
| 最小边长/mm | 1.0 | 0.5 | 4.0 | 13.0 |
| 网格数量 | 22 852 | 109 517 | 38 444 | 214 611 |
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Impact of different winding methods on Emax
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| 绕制方式 | Emax/(kV/cm) |
| 分散绕制 | 49.4 |
| 集中绕制 | 40.4 |
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不同绕制方式对内部电场强度Emax的影响
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| 绕制方式 | Emax/(kV/cm) |
| 分散绕制 | 49.4 |
| 集中绕制 | 40.4 |
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