Article(id=1199642729669034002, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1199642729207660562, articleNumber=null, orderNo=null, doi=10.16790/j.cnki.1009-9239.im.2023.11.016, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1668614400000, receivedDateStr=2022-11-17, revisedDate=1676822400000, revisedDateStr=2023-02-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1763946715037, onlineDateStr=2025-11-24, pubDate=1700409600000, pubDateStr=2023-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1763946715037, onlineIssueDateStr=2025-11-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1763946715037, creator=13701087609, updateTime=1763946715037, updator=13701087609, issue=Issue{id=1199642729207660562, tenantId=1146029695717560320, journalId=1149653034449285133, year='2023', volume='56', issue='11', pageStart='1', pageEnd='116', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1763946714927, creator=13701087609, updateTime=1766563708953, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1210619197772657229, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1199642729207660562, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1210619197772657230, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1199642729207660562, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=101, endPage=109, ext={EN=ArticleExt(id=1199642729937469459, articleId=1199642729669034002, tenantId=1146029695717560320, journalId=1149653034449285133, language=EN, title=Analysis on resistive current harmonic components of metal spike defect in XLPE, columnId=1192878364340924664, journalTitle=Insulating Materials, columnName=Test and Analysis, runingTitle=null, highlight=null, articleAbstract=
In order to develop an on-line monitoring technology for cable insulation status, we analyzed the harmonic components of resistive current by simulating the metal spike in XLPE cable insulation, which provided theoretical and experimental support for cable insulation diagnosis based on the harmonic components of resistive current. Firstly, the conductivity characteristics of XLPE were simulated and theoretically analyzed based on the jump conductivity model of polymer. Then, a simulation model of metal spike defect in XLPE was established, and the harmonic components of resistive current density under different needle curvature radius and needle plate spacing were simulated and analyzed. Finally, three kinds of XLPE metal spike defect samples with different specifications were made, and confirmatory experiments were conducted under the conditions of 30 μm of needle tip curvature radius and 2 mm of needle plate spacing, 90 μm of needle tip curvature radius and 3 mm of needle plate spacing, and 30 μm of needle tip curvature radius and 3 mm of needle plate spacing. The results show that there is metal spike defect in XLPE insulation, due to the sharp increase of local electric field strength, the conductivity characteristics of the insulation material will repeat between the Ohmic and non Ohmic regions with the change of AC voltage waveform, resulting in the distortion of resistive current waveform and the addition of higher-order harmonic components. When there is metal spike defect in XLPE insulation, there are obvious 3rd and 5th harmonic components in the resistive current, which constitutes the main components of resistive current harmonic component. As the severity of metal spike defect increases, the harmonic distortion rate of resistive current and conductivity distortion rate increase significantly, and the harmonic distortion rate can be used as a characteristic quantity to judge the severity of defect.
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为开发一种能实时掌握电缆绝缘状态的监测技术,本文通过模拟XLPE电缆绝缘中出现金属尖刺缺陷,对其阻性电流的谐波成分进行分析,从理论和实验两方面为实现基于阻性电流谐波成分的电缆绝缘诊断提供支撑。首先,基于聚合物的跳跃电导模型,对XLPE的电导特性进行了仿真与理论分析。而后建立了XLPE金属尖刺缺陷仿真模型,对不同针尖曲率半径以及针板间距下阻性电流密度的谐波成分进行了仿真分析。最后制作了3种不同规格的XLPE金属尖刺缺陷试样,在针尖曲率半径为30 μm、针板间距为2 mm,针尖曲率半径为90 μm、针板间距为3 mm以及针尖曲率半径为30 μm、针板间距为3 mm条件下进行了验证实验。结果表明:当XLPE绝缘中存在导体尖刺缺陷时,由于局部电场强度的急剧增大,导致绝缘材料的电导特性随着交流电压波形的变化而在欧姆区与非欧姆区之间反复,使得阻性电流的波形发生畸变,叠加了高次谐波分量;当XLPE绝缘中存在导体尖刺缺陷时,其阻性电流中会存在明显的3次与5次谐波分量,二者构成了阻性电流谐波分量的主要组成部分;随着导体尖刺缺陷的严重程度增加,阻性电流的谐波畸变率以及电导率畸变率均有明显的上升,可以谐波畸变率作为判断缺陷严重程度的特征量。
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林奕夫(1992-),男(汉族),福建莆田人,工程师,主要从事电力设备管理的工作;
郑书生(1979-),男(汉族),山西临汾人,博士,正高级实验师,主要从事高电压与绝缘技术的研究。
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1State Grid Fujian Electric Power Co., Ltd., Fuzhou 350007, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1217475512381915629, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, authorId=1217475512209949153, language=CN, stringName=林奕夫, firstName=奕夫, middleName=null, lastName=林, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1国网福建省电力有限公司,福建 福州 350007, bio={"content":"
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林奕夫(1992-),男(汉族),福建莆田人,工程师,主要从事电力设备管理的工作;
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2State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1217475513120113165, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, authorId=1217475512839094786, language=CN, stringName=赵岩, firstName=岩, middleName=null, lastName=赵, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2华北电力大学 新能源电力系统国家重点实验室,北京 102206, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1217475512105091547, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, xref=2, ext=[AuthorCompanyExt(id=1217475512109285852, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, companyId=1217475512105091547, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2华北电力大学 新能源电力系统国家重点实验室,北京 102206)])]), Author(id=1217475513241747990, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, 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=1217475513350799903, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, authorId=1217475513241747990, language=EN, stringName=Junwei ZHU, firstName=Junwei, middleName=null, lastName=ZHU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1217475513770230324, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, authorId=1217475513589875244, language=CN, stringName=郑书生, firstName=书生, middleName=null, lastName=郑, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2华北电力大学 新能源电力系统国家重点实验室,北京 102206, bio={"content":"
郑书生(1979-),男(汉族),山西临汾人,博士,正高级实验师,主要从事高电压与绝缘技术的研究。
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郑书生(1979-),男(汉族),山西临汾人,博士,正高级实验师,主要从事高电压与绝缘技术的研究。
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2华北电力大学 新能源电力系统国家重点实验室,北京 102206)])])], keywords=[Keyword(id=1217475513946391100, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, orderNo=1, keyword=XLPE cable), Keyword(id=1217475514080608833, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, orderNo=2, keyword=AC resistive current), Keyword(id=1217475514164494916, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, orderNo=3, keyword=conductivity), Keyword(id=1217475514265158218, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, orderNo=4, keyword=harmonic analysis), Keyword(id=1217475514357432910, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, orderNo=1, keyword=XLPE电缆), Keyword(id=1217475514428736082, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, orderNo=2, keyword=交流阻性电流), Keyword(id=1217475514504233559, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, orderNo=3, keyword=电导率), Keyword(id=1217475514604896860, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, orderNo=4, keyword=谐波分析)], refs=[Reference(id=1217475519323489151, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, doi=null, pmid=null, pmcid=null, year=2017, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=赵世纯, 凌标灿, 朱希安, journalName=HDS电气设备带电状态诊断技术及应用, refType=null, unstructuredReference=赵世纯,凌标灿,朱希安,等.
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2017(34):26-27., articleTitle=高压电缆典型绝缘缺陷模拟试验研究, refAbstract=null)], funds=[Fund(id=1217475519088608115, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, awardId=5213202100A5, language=CN, fundingSource=国家电网有限公司科技项目(5213202100A5), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1217475512021205460, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, xref=1, ext=[AuthorCompanyExt(id=1217475512029594069, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, companyId=1217475512021205460, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1State Grid Fujian Electric Power Co., Ltd., Fuzhou 350007, China), AuthorCompanyExt(id=1217475512042176982, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, companyId=1217475512021205460, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1国网福建省电力有限公司,福建 福州 350007)]), AuthorCompany(id=1217475512105091547, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, xref=2, ext=[AuthorCompanyExt(id=1217475512109285852, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, companyId=1217475512105091547, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China), AuthorCompanyExt(id=1217475512117674462, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, companyId=1217475512105091547, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2华北电力大学 新能源电力系统国家重点实验室,北京 102206)])], figs=[ArticleFig(id=1217475514894303848, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, label=Fig.1, caption=
Simulation and fitting curves of XLPE conductivity under different electric fields, figureFileSmall=W7mb1cCcuCNwZytfu6uGBA==, figureFileBig=NPgTAmVttawQ0AaKvO03Og==, tableContent=null), ArticleFig(id=1217475514990772846, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=图1, caption=
不同电场下XLPE的电导率仿真与拟合曲线, figureFileSmall=W7mb1cCcuCNwZytfu6uGBA==, figureFileBig=NPgTAmVttawQ0AaKvO03Og==, tableContent=null), ArticleFig(id=1217475515087241843, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, label=Fig.2, caption=
Geometric structure of spick defect sample, figureFileSmall=G7MKjAOedC56JXgih20U+Q==, figureFileBig=knsXS2d+oAhkMnzQsGME0g==, tableContent=null), ArticleFig(id=1217475515150156410, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=图2, caption=
尖刺缺陷试样几何结构, figureFileSmall=G7MKjAOedC56JXgih20U+Q==, figureFileBig=knsXS2d+oAhkMnzQsGME0g==, tableContent=null), ArticleFig(id=1217475515267596924, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, label=Fig.3, caption=
Resistive current density of different tip curvature radius, figureFileSmall=QpMu3FKxSSgJyjf86pLx9Q==, figureFileBig=dr3imw5qf3c+wIWTXdzhrQ==, tableContent=null), ArticleFig(id=1217475515343094403, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=图3, caption=
不同针尖曲率半径的阻性电流密度, figureFileSmall=QpMu3FKxSSgJyjf86pLx9Q==, figureFileBig=dr3imw5qf3c+wIWTXdzhrQ==, tableContent=null), ArticleFig(id=1217475515397620360, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, label=Fig.4, caption=
Spectrum of resistive current density under different tip curvature radius, figureFileSmall=nhvj0qjqc9cAwh+R2FIklg==, figureFileBig=qAaTxg7dpvex2HLH8GQtQA==, tableContent=null), ArticleFig(id=1217475515498283664, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=图4, caption=
不同针尖曲率半径的阻性电流密度频谱, figureFileSmall=nhvj0qjqc9cAwh+R2FIklg==, figureFileBig=qAaTxg7dpvex2HLH8GQtQA==, tableContent=null), ArticleFig(id=1217475515586364054, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, label=Fig.5, caption=
Average conductivity under different tip radius curvature radius, figureFileSmall=bbQhqDVTwKF4Lv7AEcOp+g==, figureFileBig=XIPiRXhUIUA8O59p90Y5yw==, tableContent=null), ArticleFig(id=1217475515674444442, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=图5, caption=
不同针尖曲率半径下的平均电导率, figureFileSmall=bbQhqDVTwKF4Lv7AEcOp+g==, figureFileBig=XIPiRXhUIUA8O59p90Y5yw==, tableContent=null), ArticleFig(id=1217475515787690657, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, label=Fig.6, caption=
Resistive current density under with time different needle plate spacing, figureFileSmall=7YHGPT5gPLjbAYmowwMKMA==, figureFileBig=s5PsO6NRxmoj8i2j+g0riA==, tableContent=null), ArticleFig(id=1217475515884159657, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=图6, caption=
不同针板间距下的阻性电流密度随时间变化规律, figureFileSmall=7YHGPT5gPLjbAYmowwMKMA==, figureFileBig=s5PsO6NRxmoj8i2j+g0riA==, tableContent=null), ArticleFig(id=1217475515963851440, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, label=Fig.7, caption=
Spectrum of resistive current density under different needle plate spacing, figureFileSmall=Q6wk8Z8ayh+7gcWVfIk1eg==, figureFileBig=tvwXfAmMNoxUvanZ0Fm7Xg==, tableContent=null), ArticleFig(id=1217475516060320444, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=图7, caption=
不同针板间距下的阻性电流密度频谱, figureFileSmall=Q6wk8Z8ayh+7gcWVfIk1eg==, figureFileBig=tvwXfAmMNoxUvanZ0Fm7Xg==, tableContent=null), ArticleFig(id=1217475516140012225, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, label=Fig.8, caption=
Average conductivity under different needle plate spacing, figureFileSmall=nX0SrvJi5iA4fTRncu5LWA==, figureFileBig=jGXqKW8EDfdLIb/EcgTH2w==, tableContent=null), ArticleFig(id=1217475516278424263, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=图8, caption=
不同针板间距下的平均电导率, figureFileSmall=nX0SrvJi5iA4fTRncu5LWA==, figureFileBig=jGXqKW8EDfdLIb/EcgTH2w==, tableContent=null), ArticleFig(id=1217475516425224912, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, label=Fig.9, caption=
Metal spike defect model, figureFileSmall=5K9ExLv48fAu7eEvR1VVHA==, figureFileBig=FHvRdUFuXXQRdpM1PUWnkg==, tableContent=null), ArticleFig(id=1217475516513305303, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=图9, caption=
导体尖刺缺陷模型, figureFileSmall=5K9ExLv48fAu7eEvR1VVHA==, figureFileBig=FHvRdUFuXXQRdpM1PUWnkg==, tableContent=null), ArticleFig(id=1217475516609774304, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, label=Fig.10, caption=
Experimental wiring diagram, figureFileSmall=REcNZqC8nOlDjmcZT6mklg==, figureFileBig=SrfRKqPjNRt9mFJ1vOO5eQ==, tableContent=null), ArticleFig(id=1217475516764963558, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=图10, caption=
实验接线图, figureFileSmall=REcNZqC8nOlDjmcZT6mklg==, figureFileBig=SrfRKqPjNRt9mFJ1vOO5eQ==, tableContent=null), ArticleFig(id=1217475516882404075, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, label=Fig.11, caption=
Withstand voltage and leakage current of metal spike defect sample, figureFileSmall=UFbfwsjfyzIbAfiV8/y6ug==, figureFileBig=F/ypIpbLaxl+ZcMqdOZLSA==, tableContent=null), ArticleFig(id=1217475516983067378, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=图11, caption=
导体尖刺缺陷试样承受电压与泄漏电流, figureFileSmall=UFbfwsjfyzIbAfiV8/y6ug==, figureFileBig=F/ypIpbLaxl+ZcMqdOZLSA==, tableContent=null), ArticleFig(id=1217475517100507895, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, label=Fig.12, caption=
Comparison of harmonic contribution rates between simulation and experiment, figureFileSmall=D3v3G9j+Q0MVbA1VhYrFvw==, figureFileBig=qMP8Ntz/JU5/W0QFnfjT/g==, tableContent=null), ArticleFig(id=1217475517222142716, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=图12, caption=
仿真与实验各次谐波贡献率对比, figureFileSmall=D3v3G9j+Q0MVbA1VhYrFvw==, figureFileBig=qMP8Ntz/JU5/W0QFnfjT/g==, tableContent=null), ArticleFig(id=1217475517314417413, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, label=Tab.1, caption=
High field nonlinear conductivity model of polymer medium, figureFileSmall=null, figureFileBig=null, tableContent=
| 类型 | 名称 | 表达式 |
|---|
| 电极限制 | Schottky效应 | J=J0exp() |
| Fowler-Nordheim效应 | J=AF2exp(-B/F) |
| 体限制 | Poole-Frenkel效应 | J=J0exp() |
| 跳跃电导 | J=J0sinh(eEλ/2KT) |
| 空间电荷限制电流 | |
), ArticleFig(id=1217475517440246540, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=表1, caption=
聚合物介质的高场非线性电导模型
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类型 | 名称 | 表达式 |
|---|
| 电极限制 | Schottky效应 | J=J0exp() |
| Fowler-Nordheim效应 | J=AF2exp(-B/F) |
| 体限制 | Poole-Frenkel效应 | J=J0exp() |
| 跳跃电导 | J=J0sinh(eEλ/2KT) |
| 空间电荷限制电流 | |
), ArticleFig(id=1217475517536715539, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, label=Tab.2, caption=
The maximum electric field strength under different tip curvature radius, figureFileSmall=null, figureFileBig=null, tableContent=
| 针尖曲率半径/μm | 电场强度/(V/m) |
|---|
| 30 | 7.89×107 |
| 90 | 2.89×107 |
| 270 | 1.25×107 |
| 810 | 7.13×106 |
), ArticleFig(id=1217475517628990233, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=表2, caption=
不同针尖曲率半径下的电场强度最大值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 针尖曲率半径/μm | 电场强度/(V/m) |
|---|
| 30 | 7.89×107 |
| 90 | 2.89×107 |
| 270 | 1.25×107 |
| 810 | 7.13×106 |
), ArticleFig(id=1217475517704487712, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=EN, label=Tab.3, caption=
Harmonic distortion rate of resistive current under different tip curvature radius, figureFileSmall=null, figureFileBig=null, tableContent=
| 针尖曲率半径/μm | 30 | 90 | 270 | 810 |
|---|
| 谐波畸变率 | 0.486 8 | 0.092 8 | 0.036 3 | 0.020 8 |
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不同针尖曲率半径下的阻性电流密度谐波畸变率
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| 针尖曲率半径/μm | 30 | 90 | 270 | 810 |
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| 谐波畸变率 | 0.486 8 | 0.092 8 | 0.036 3 | 0.020 8 |
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Conductivity distortion rate under different tip curvature radius, figureFileSmall=null, figureFileBig=null, tableContent=
| 针尖曲率半径/μm | 30 | 90 | 270 | 810 |
|---|
| 电导率畸变率 | 0.429 6 | 0.106 3 | 0.085 4 | 0.032 3 |
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不同针尖曲率半径下的电导率畸变率
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| 针尖曲率半径/μm | 30 | 90 | 270 | 810 |
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| 电导率畸变率 | 0.429 6 | 0.106 3 | 0.085 4 | 0.032 3 |
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The maximum value of electric field strength under different needle plate spacing, figureFileSmall=null, figureFileBig=null, tableContent=
| 针板间距/mm | 电场强度/(V/m) |
|---|
| 1 | 1.49×108 |
| 2 | 1.25×108 |
| 3 | 7.89×107 |
| 4 | 5.71×107 |
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不同针板间距下电场强度最大值
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| 针板间距/mm | 电场强度/(V/m) |
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| 1 | 1.49×108 |
| 2 | 1.25×108 |
| 3 | 7.89×107 |
| 4 | 5.71×107 |
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Harmonic distortion rate of resistive current density under different needle plate spacing, figureFileSmall=null, figureFileBig=null, tableContent=
| 针板间距/mm | 1 | 2 | 3 | 4 |
|---|
| 谐波畸变率 | 0.848 5 | 0.759 8 | 0.486 8 | 0.274 6 |
), ArticleFig(id=1217475518417519441, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=表6, caption=
不同针板间距下的阻性电流密度谐波畸变率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 针板间距/mm | 1 | 2 | 3 | 4 |
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| 谐波畸变率 | 0.848 5 | 0.759 8 | 0.486 8 | 0.274 6 |
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Conductivity distortion rate under different needle plate spacing, figureFileSmall=null, figureFileBig=null, tableContent=
| 针板间距/mm | 1 | 2 | 3 | 4 |
|---|
| 电导率畸变率 | 0.998 8 | 0.964 1 | 0.429 6 | 0.164 2 |
), ArticleFig(id=1217475518677566301, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=表7, caption=
不同针板间距下的电导率畸变率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 针板间距/mm | 1 | 2 | 3 | 4 |
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| 电导率畸变率 | 0.998 8 | 0.964 1 | 0.429 6 | 0.164 2 |
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Effective value of resistive current and harmonic distortion rate, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 30-2 | 30-3 | 90-3 |
|---|
| 有效值/nA | 9 416.35 | 226.03 | 103.75 |
| 谐波畸变率 | 0.375 3 | 0.234 1 | 0.053 8 |
), ArticleFig(id=1217475518883087207, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199642729669034002, language=CN, label=表8, caption=
阻性电流有效值与谐波畸变率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 30-2 | 30-3 | 90-3 |
|---|
| 有效值/nA | 9 416.35 | 226.03 | 103.75 |
| 谐波畸变率 | 0.375 3 | 0.234 1 | 0.053 8 |
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