Article(id=1222482905289449948, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1222482900604408161, articleNumber=null, orderNo=null, doi=10.16790/j.cnki.1009-9239.im.2021.03.003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1589212800000, receivedDateStr=2020-05-12, revisedDate=1593619200000, revisedDateStr=2020-07-02, acceptedDate=null, acceptedDateStr=null, onlineDate=1769392237255, onlineDateStr=2026-01-26, pubDate=1613750400000, pubDateStr=2021-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769392237255, onlineIssueDateStr=2026-01-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769392237255, creator=13041195026, updateTime=1769392237255, updator=13041195026, issue=Issue{id=1222482900604408161, tenantId=1146029695717560320, journalId=1149653034449285133, year='2021', volume='54', issue='3', pageStart='1', pageEnd='107', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769392236137, creator=13041195026, updateTime=1770971768252, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1229107938527342697, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1222482900604408161, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1229107938527342698, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1222482900604408161, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=18, endPage=23, ext={EN=ArticleExt(id=1222482905637577185, articleId=1222482905289449948, tenantId=1146029695717560320, journalId=1149653034449285133, language=EN, title=Dielectric Properties and Partial Discharge Resistance of Nano Composite Polyimide Film Under Multiple Ageing, columnId=1190369066675179686, journalTitle=Insulating Materials, columnName=Material Research, runingTitle=null, highlight=null, articleAbstract=
PI nano composite films were conducted long-term multiple ageing at 270℃, 70℃ and 90%RH, and 320℃, and their thickness, dielectric spectra, conductivity, partial discharge initiation voltage, and insulation life at different ageing stages were tested. The results show that the insulating properties of the PI film has no obvious change after ageing at 270℃. The high humidity environment has a significant impact on the dielectric spectra, conductivity, and partial discharge initiation voltage of the PI film, but it does not shorten its insulation life. The internal structure of PI film would change under the high temperature of 320℃, which will shorten its insulation life by about 30%.
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在270℃、70℃及90%RH、320℃条件下对PI纳米复合薄膜进行长时间多重老化,测试了不同老化阶段PI薄膜的厚度、介电谱、电导率、局部放电起始电压及绝缘寿命。结果表明:经270℃老化后,PI薄膜的绝缘性能并未发生明显改变;而高湿度环境会对PI薄膜的介电谱、电导特性及局部放电起始电压产生明显影响但并未缩短其绝缘寿命;320℃高温会使PI薄膜内部结构发生变化,从而使其绝缘寿命缩短约30%。
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刘东超(1980-),男(汉族),河北唐山人,高级工程师,主要从事智能一次设备的研究。
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鄂士平(1979-),男(汉族),湖北当阳人,高级工程师,主要从事电网变电设备运维检修管理。
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电工技术学报,
2014,
29(6):303-310., articleTitle=局部放电作用对变频电机匝间纳米复合绝缘的损伤机理研究, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1222482910314226324, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, xref=1, ext=[AuthorCompanyExt(id=1222482910318420630, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, companyId=1222482910314226324, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2南京南瑞继保电气有限公司,江苏 南京 211102)])], figs=[ArticleFig(id=1222482912684008217, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=EN, label=Fig.1, caption=
PDIV test setup, figureFileSmall=cLbEcL30j1HMcSC1fzOALQ==, figureFileBig=7tA7K0k19VWBmMd1S6Erpw==, tableContent=null), ArticleFig(id=1222482912797254429, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=CN, label=图1, caption=
局部放电起始电压测量装置, figureFileSmall=cLbEcL30j1HMcSC1fzOALQ==, figureFileBig=7tA7K0k19VWBmMd1S6Erpw==, tableContent=null), ArticleFig(id=1222482913023746853, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=EN, label=Fig.2, caption=
Thickness of PI films at each ageing stage, figureFileSmall=bdPDlC7ZdXj7KWeeZc//og==, figureFileBig=w58xPrUE+x0RUsl18KvYtw==, tableContent=null), ArticleFig(id=1222482913174741802, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=CN, label=图2, caption=
不同老化阶段PI薄膜厚度, figureFileSmall=bdPDlC7ZdXj7KWeeZc//og==, figureFileBig=w58xPrUE+x0RUsl18KvYtw==, tableContent=null), ArticleFig(id=1222482913271210801, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=EN, label=Fig.3, caption=
Relative dielectric constant ofPI films at each ageing stage, figureFileSmall=RHoP61n9gaoNAcLY1M1zDQ==, figureFileBig=Re1FhjFNBgYatrpGTCuL1Q==, tableContent=null), ArticleFig(id=1222482913376068407, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=CN, label=图3, caption=
不同老化阶段后PI薄膜相对介电常数, figureFileSmall=RHoP61n9gaoNAcLY1M1zDQ==, figureFileBig=Re1FhjFNBgYatrpGTCuL1Q==, tableContent=null), ArticleFig(id=1222482913434788667, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=EN, label=Fig.4, caption=
Dielectric loss factor of PI films at each ageing stage, figureFileSmall=6MFGqgVldP/qsrz6biGnPQ==, figureFileBig=/QII0q4OJzkEY2aa9FRTOA==, tableContent=null), ArticleFig(id=1222482913518674749, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=CN, label=图4, caption=
不同老化阶段后PI薄膜介质损耗因数, figureFileSmall=6MFGqgVldP/qsrz6biGnPQ==, figureFileBig=/QII0q4OJzkEY2aa9FRTOA==, tableContent=null), ArticleFig(id=1222482913598366532, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=EN, label=Fig.5, caption=
Conductivity at each ageing stage, figureFileSmall=7+DuyHeyjua1GzW/M6c/Eg==, figureFileBig=qeoJ1NddzYqeKIBMCn0ljw==, tableContent=null), ArticleFig(id=1222482913690641224, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=CN, label=图5, caption=
不同老化阶段PI薄膜的电导率, figureFileSmall=7+DuyHeyjua1GzW/M6c/Eg==, figureFileBig=qeoJ1NddzYqeKIBMCn0ljw==, tableContent=null), ArticleFig(id=1222482913791304524, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=EN, label=Fig.6, caption=
PDIV of PI films at each ageing stage, figureFileSmall=5s49DlcP71r2A86UuYJhOw==, figureFileBig=KP4wLrQHaLK+/E7WEWWkxg==, tableContent=null), ArticleFig(id=1222482913887773520, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=CN, label=图6, caption=
不同老化阶段PI薄膜的局部放电起始电压, figureFileSmall=5s49DlcP71r2A86UuYJhOw==, figureFileBig=KP4wLrQHaLK+/E7WEWWkxg==, tableContent=null), ArticleFig(id=1222482913967465301, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=EN, label=Fig.7, caption=
Endurance of PI films at each ageing stage, figureFileSmall=tltn4XkQil3nRfkrsivWQw==, figureFileBig=e5dkGRi0yCz65s/OZrVsNA==, tableContent=null), ArticleFig(id=1222482914055545689, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=CN, label=图7, caption=
不同老化阶段PI薄膜的绝缘寿命, figureFileSmall=tltn4XkQil3nRfkrsivWQw==, figureFileBig=e5dkGRi0yCz65s/OZrVsNA==, tableContent=null), ArticleFig(id=1222482914152014685, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=EN, label=Fig.8, caption=
FTIR spectra of PI films at the end ofeach ageing stage, figureFileSmall=mWySxSMQGslYWLn5ieQHRg==, figureFileBig=VN9dw9R7v7TeI9pXYZZfKw==, tableContent=null), ArticleFig(id=1222482914219123553, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=CN, label=图8, caption=
各老化阶段PI薄膜的FTIR图谱, figureFileSmall=mWySxSMQGslYWLn5ieQHRg==, figureFileBig=VN9dw9R7v7TeI9pXYZZfKw==, tableContent=null), ArticleFig(id=1222482914307203941, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=EN, label=Fig.9, caption=
SEM images of PI film surface before andafter ageing, figureFileSmall=NwhUFrdpdKKY0GAmrPt1jw==, figureFileBig=Ddv/9ywYXEZLp2wjKV2RNA==, tableContent=null), ArticleFig(id=1222482914395284331, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=CN, label=图9, caption=
老化前后PI薄膜表面SEM图, figureFileSmall=NwhUFrdpdKKY0GAmrPt1jw==, figureFileBig=Ddv/9ywYXEZLp2wjKV2RNA==, tableContent=null), ArticleFig(id=1222482914470781806, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=EN, label=Fig.10, caption=
SEM images of PI film cross section before and after ageing, figureFileSmall=RYQZNayH/NyQvXbiklO6aQ==, figureFileBig=ezwUSrzfYVmYm+Kdm9J8OA==, tableContent=null), ArticleFig(id=1222482914617582455, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=CN, label=图10, caption=
老化前后PI薄膜横截面SEM图, figureFileSmall=RYQZNayH/NyQvXbiklO6aQ==, figureFileBig=ezwUSrzfYVmYm+Kdm9J8OA==, tableContent=null), ArticleFig(id=1222482914705662844, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=EN, label=Tab.1, caption=
Multiple ageing processes, figureFileSmall=null, figureFileBig=null, tableContent=
| 老化阶段 | 时间/h | 条件 |
|---|
| 1 | 900 | 270℃ |
| 2 | 300 | 70℃,90%RH |
| 3 | 500 | 320℃ |
), ArticleFig(id=1222482914781160321, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1222482905289449948, language=CN, label=表1, caption=
多重老化实验设计
, figureFileSmall=null, figureFileBig=null, tableContent=
| 老化阶段 | 时间/h | 条件 |
|---|
| 1 | 900 | 270℃ |
| 2 | 300 | 70℃,90%RH |
| 3 | 500 | 320℃ |
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