Article(id=1209927010055491721, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1209927008822366333, articleNumber=null, orderNo=null, doi=10.16790/j.cnki.1009-9239.im.2024.02.013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1670515200000, receivedDateStr=2022-12-09, revisedDate=1673020800000, revisedDateStr=2023-01-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1766398678553, onlineDateStr=2025-12-22, pubDate=1708358400000, pubDateStr=2024-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766398678553, onlineIssueDateStr=2025-12-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766398678553, creator=13701087609, updateTime=1766398678553, updator=13701087609, issue=Issue{id=1209927008822366333, tenantId=1146029695717560320, journalId=1149653034449285133, year='2024', volume='57', issue='2', pageStart='1', pageEnd='128', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766398678260, creator=13701087609, updateTime=1766563829065, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1210619701554705052, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1209927008822366333, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1210619701554705053, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1209927008822366333, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=92, endPage=99, ext={EN=ArticleExt(id=1209927010365870222, articleId=1209927010055491721, tenantId=1146029695717560320, journalId=1149653034449285133, language=EN, title=DC breakdown characteristics of LDPE in vegetable insulating oil and mineral insulating oil, columnId=1192878364340924664, journalTitle=Insulating Materials, columnName=Test and Analysis, runingTitle=null, highlight=null, articleAbstract=
With the large-scale construction of UHV long-distance power transmission, vegetable insulating oil instead of mineral insulating oil may become the future development trend. In order to analyze the differences and reasons of DC breakdown characteristics of LDPE (low density Polyethylene) under different environments, the DC breakdown experiments of LDPE were conducted in vegetable insulating oil and mineral insulating oil, and the impacts of insulating oil discharge process on the breakdown of LDPE samples were analyzed through simulation. The results show that the electric strength of LDPE in vegetable insulating oil is significantly higher than that in mineral insulating oil. The surface flashover characteristics and breakdown points of the two insulating oils are also different. The field intensity generated by discharge of vegetable insulating oil is small, so the breakdown field of LDPE in vegetable insulating oil is higher. The difference of discharge process of insulating oil is also the reason for the difference of flashover characteristics and breakdown point.
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随着特高压远距离输电的大规模建设,植物绝缘油取代矿物绝缘油可能成为未来的发展趋势。为了分析不同环境下低密度聚乙烯(LDPE)在不同绝缘油中的直流击穿特性的差异及原因,分别在植物绝缘油和矿物绝缘油中进行了LDPE的直流击穿实验,并通过仿真分析绝缘油放电过程对于LDPE试样击穿的影响。结果表明:LDPE在植物绝缘油中的电气强度明显高于在矿物绝缘油中的击穿强度;两种绝缘油中,试样的沿面闪络特性及击穿点位置也有不同。植物绝缘油放电产生的场强较小,因而植物绝缘油中的LDPE电气强度更高;绝缘油放电过程的差异也是沿面闪络特性及击穿点位置产生差异的原因。
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赵孝磊(1993-),男(汉族),黑龙江牡丹江人,博士,主要从事纳米绝缘材料的研究。
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张立彤(1998-),男(汉族),吉林长春人,硕士生,主要从事聚烯烃电介质直流击穿特性的研究。
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张立彤(1998-),男(汉族),吉林长春人,硕士生,主要从事聚烯烃电介质直流击穿特性的研究。
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张立彤(1998-),男(汉族),吉林长春人,硕士生,主要从事聚烯烃电介质直流击穿特性的研究。
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Keyword(id=1217475345645752958, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, orderNo=2, keyword=discharge process), Keyword(id=1217475345733833344, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, orderNo=3, keyword=LDPE), Keyword(id=1217475345834496644, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, orderNo=4, keyword=insulating oil), Keyword(id=1217475345922577035, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, orderNo=1, keyword=直流击穿), Keyword(id=1217475346006463121, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, orderNo=2, keyword=放电过程), Keyword(id=1217475346136486555, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, orderNo=3, keyword=低密度聚乙烯), Keyword(id=1217475347415749277, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, orderNo=4, keyword=绝缘油)], refs=[Reference(id=1217475352557966132, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, doi=null, pmid=null, pmcid=null, year=2016, volume=49, issue=11, pageStart=1, pageEnd=8, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=马人凤, 朱永华, 吴建东, journalName=绝缘材料, refType=null, unstructuredReference=马人凤,朱永华,吴建东,等.超高压直流电缆的国产化研究进展[J].
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Schematic diagram of the breakdown test, figureFileSmall=xW7RKpunZk4kepohAEeM/g==, figureFileBig=qCGby+9ZTFVxrHIoYBTTTw==, tableContent=null), ArticleFig(id=1217475347801625260, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图1, caption=
击穿实验装置图, figureFileSmall=xW7RKpunZk4kepohAEeM/g==, figureFileBig=qCGby+9ZTFVxrHIoYBTTTw==, tableContent=null), ArticleFig(id=1217475347956814513, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Fig.2, caption=
Two-position fluid simulation model of the ball electrode-sample-ball electrode, figureFileSmall=v0dusc8drl78vubkcxpIRw==, figureFileBig=2syEvTrkDmhm0nWyYILm/Q==, tableContent=null), ArticleFig(id=1217475348023923380, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图2, caption=
球-试样-球二维轴对称流体仿真模型, figureFileSmall=v0dusc8drl78vubkcxpIRw==, figureFileBig=2syEvTrkDmhm0nWyYILm/Q==, tableContent=null), ArticleFig(id=1217475348124586680, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Fig.3, caption=
The breakdown sample picture, figureFileSmall=6Y74mVeQkJN1Evy6lUamLw==, figureFileBig=xtNzN0xN4AtwpASiXAc0Eg==, tableContent=null), ArticleFig(id=1217475348225249980, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图3, caption=
样品击穿后的图片, figureFileSmall=6Y74mVeQkJN1Evy6lUamLw==, figureFileBig=xtNzN0xN4AtwpASiXAc0Eg==, tableContent=null), ArticleFig(id=1217475348338496192, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Fig.4, caption=
Weibull distribution of the electric strength for LDPE in the two insulating oils, figureFileSmall=zkmvdEAjfO1IUkqP5/MToA==, figureFileBig=RpgVOOXb+ejs1YH8kWganQ==, tableContent=null), ArticleFig(id=1217475348439159493, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图4, caption=
LDPE在两种绝缘油中电气强度的Weibull分布, figureFileSmall=zkmvdEAjfO1IUkqP5/MToA==, figureFileBig=RpgVOOXb+ejs1YH8kWganQ==, tableContent=null), ArticleFig(id=1217475348581765835, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Fig.5, caption=
Photograph of a sample with surface flashover in mineral insulating oil, figureFileSmall=0/25469xj2thmvCjSygEWQ==, figureFileBig=GRV1BSKcmu4jojQWgZ1Nhw==, tableContent=null), ArticleFig(id=1217475348724372177, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图5, caption=
矿物绝缘油中试样的沿面闪络现象, figureFileSmall=0/25469xj2thmvCjSygEWQ==, figureFileBig=GRV1BSKcmu4jojQWgZ1Nhw==, tableContent=null), ArticleFig(id=1217475348799869654, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Fig.6, caption=
Schematic diagram of the breakdown point distribution of the samples in the two insulating oils, figureFileSmall=bQCBMiBYI1jzKlJp80G87g==, figureFileBig=097dO2xAdXn1s/rli5vM4A==, tableContent=null), ArticleFig(id=1217475348896338649, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图6, caption=
在两种油中试样击穿点分布示意图, figureFileSmall=bQCBMiBYI1jzKlJp80G87g==, figureFileBig=097dO2xAdXn1s/rli5vM4A==, tableContent=null), ArticleFig(id=1217475348992807646, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Fig.7, caption=
Distribution of electric field intensity around the electrodes, figureFileSmall=qXu76gC3KuAuh6qj77MmlQ==, figureFileBig=1IqmxpJcW0VqncZKg6xLww==, tableContent=null), ArticleFig(id=1217475349101859554, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图7, caption=
电极附近的电场强度分布, figureFileSmall=qXu76gC3KuAuh6qj77MmlQ==, figureFileBig=1IqmxpJcW0VqncZKg6xLww==, tableContent=null), ArticleFig(id=1217475349185745636, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Fig.8, caption=
Schematic diagram of the space charge density on the electric field line, figureFileSmall=S4PLDnuRV1uV/gR8khiivA==, figureFileBig=xtauPvSTFJ6bKqu2ZZI1pQ==, tableContent=null), ArticleFig(id=1217475349278020330, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图8, caption=
选定电场线上的空间电荷密度示意图, figureFileSmall=S4PLDnuRV1uV/gR8khiivA==, figureFileBig=xtauPvSTFJ6bKqu2ZZI1pQ==, tableContent=null), ArticleFig(id=1217475349395460843, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Fig.9, caption=
Schematic diagram of the space charge density on the electric field line, figureFileSmall=Ajx4djIoHxUit+TFCbj0VA==, figureFileBig=o1XPtHam9dJ7v1/9gLy3Vw==, tableContent=null), ArticleFig(id=1217475349487735536, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图9, caption=
电场线上的空间电荷密度, figureFileSmall=Ajx4djIoHxUit+TFCbj0VA==, figureFileBig=o1XPtHam9dJ7v1/9gLy3Vw==, tableContent=null), ArticleFig(id=1217475349575815924, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Fig.10, caption=
Schematic diagram of the space charge enhanced electric field, figureFileSmall=AoNadYeRw94DrsQ/yaDhhw==, figureFileBig=c05a7DuSg5uxYrCHsKZsiQ==, tableContent=null), ArticleFig(id=1217475349668090616, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图10, caption=
空间电荷对电场的增强作用, figureFileSmall=AoNadYeRw94DrsQ/yaDhhw==, figureFileBig=c05a7DuSg5uxYrCHsKZsiQ==, tableContent=null), ArticleFig(id=1217475349747782393, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Fig.11, caption=
Influence of homopolar charges on the electric field distribution, figureFileSmall=0FLRPL/YdepYlcCcZT8dZQ==, figureFileBig=Q9noddYOJTq0H2ZbA+U/ug==, tableContent=null), ArticleFig(id=1217475349882000123, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图11, caption=
同极性电荷对电场分布的影响, figureFileSmall=0FLRPL/YdepYlcCcZT8dZQ==, figureFileBig=Q9noddYOJTq0H2ZbA+U/ug==, tableContent=null), ArticleFig(id=1217475349974274815, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Fig.12, caption=
Inhibition effect of homopolar charges on the electric field distribution., figureFileSmall=/bYgTgphFZYrabpX04Vgtg==, figureFileBig=kKL/+qE5qZCK5OzpgbKU0Q==, tableContent=null), ArticleFig(id=1217475350062355203, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图12, caption=
同极性电荷对电场的削弱作用, figureFileSmall=/bYgTgphFZYrabpX04Vgtg==, figureFileBig=kKL/+qE5qZCK5OzpgbKU0Q==, tableContent=null), ArticleFig(id=1217475350146241286, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Fig.13, caption=
The 2D flat map of space charge distribution, figureFileSmall=ohPq+weMVQZU3hZXJ8zXFw==, figureFileBig=vP2qcRweqiUn2fhAtj/kow==, tableContent=null), ArticleFig(id=1217475350230127368, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图13, caption=
二维空间电荷时空分布图, figureFileSmall=ohPq+weMVQZU3hZXJ8zXFw==, figureFileBig=vP2qcRweqiUn2fhAtj/kow==, tableContent=null), ArticleFig(id=1217475350355956491, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Fig.14, caption=
Space charge density accumulated on the surface of sample, figureFileSmall=SlY+tzUyfVhXMsT37XEYIQ==, figureFileBig=SpKnhntBxFr1Q2+KFfPyhA==, tableContent=null), ArticleFig(id=1217475350460814092, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图14, caption=
试样表面的空间电荷密度, figureFileSmall=SlY+tzUyfVhXMsT37XEYIQ==, figureFileBig=SpKnhntBxFr1Q2+KFfPyhA==, tableContent=null), ArticleFig(id=1217475350578254608, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Fig.15, caption=
Tangential field strength along the surface of sample in the two insulating oils, figureFileSmall=LzhjclkvYn/fLaS6kruHow==, figureFileBig=++K64xrR2FN7jGKWt4FtLg==, tableContent=null), ArticleFig(id=1217475351433892625, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图15, caption=
两种绝缘油沿样品表面的切向场强, figureFileSmall=LzhjclkvYn/fLaS6kruHow==, figureFileBig=++K64xrR2FN7jGKWt4FtLg==, tableContent=null), ArticleFig(id=1217475351509390099, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Fig.16, caption=
Vertical component of the electric field intensity on the sample surface in the two insulating oils, figureFileSmall=dtTzlMI1Cq1AE1gkotj1/A==, figureFileBig=hxnp5ufMnPu9tbnqtaV4+w==, tableContent=null), ArticleFig(id=1217475351584887575, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=图16, caption=
两种绝缘油在试样表面的电场强度垂直分量, figureFileSmall=dtTzlMI1Cq1AE1gkotj1/A==, figureFileBig=hxnp5ufMnPu9tbnqtaV4+w==, tableContent=null), ArticleFig(id=1217475351656190746, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Tab.1, caption=
The parameters of two insulating oils, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 矿物油 | 植物油 |
|---|
| 可被电离分子群的数量密度n0 | 1025 m-3 | 1025 m-3 |
| 分子距离a | 10-10 m | 10-10 m |
| 有效电子质量m* | 3×10-10 m | 3×10-10 m |
| 电离势参数Δγ | 1.312×10-18 J 1.118×10-23 J⋅cm0.5⋅V0.5 | 1.008×10-18 J 1.118×10-23 J⋅cm0.5⋅V0.5 |
离子-离子和 离子-电子复合率 | 1.64×10-17 m3⋅S-1 | 1.64×10-17 m3⋅S-1 |
| 离子迁移速度 | 1.7×10-9 m2⋅V-1⋅S-1 | 3.6×10-9 m2⋅V-1⋅S-1 |
| 电子迁移速度μe | 10-4 m2⋅V-1⋅S-1 | 10-4 m2⋅V-1⋅S-1 |
| 电子吸附时间τa | 200 ns | 200 ns |
| 元电荷电量e | 1.602×10-19C | 1.602×10-19C |
| 普朗克常数h | 6.626 028×10-34m2⋅kg⋅s-1 | 6.626 028×10-34m2⋅kg⋅s-1 |
| 相对介电常数εr | 2.2 | 3.2 |
), ArticleFig(id=1217475351756854044, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=表1, caption=
两种绝缘油参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 矿物油 | 植物油 |
|---|
| 可被电离分子群的数量密度n0 | 1025 m-3 | 1025 m-3 |
| 分子距离a | 10-10 m | 10-10 m |
| 有效电子质量m* | 3×10-10 m | 3×10-10 m |
| 电离势参数Δγ | 1.312×10-18 J 1.118×10-23 J⋅cm0.5⋅V0.5 | 1.008×10-18 J 1.118×10-23 J⋅cm0.5⋅V0.5 |
离子-离子和 离子-电子复合率 | 1.64×10-17 m3⋅S-1 | 1.64×10-17 m3⋅S-1 |
| 离子迁移速度 | 1.7×10-9 m2⋅V-1⋅S-1 | 3.6×10-9 m2⋅V-1⋅S-1 |
| 电子迁移速度μe | 10-4 m2⋅V-1⋅S-1 | 10-4 m2⋅V-1⋅S-1 |
| 电子吸附时间τa | 200 ns | 200 ns |
| 元电荷电量e | 1.602×10-19C | 1.602×10-19C |
| 普朗克常数h | 6.626 028×10-34m2⋅kg⋅s-1 | 6.626 028×10-34m2⋅kg⋅s-1 |
| 相对介电常数εr | 2.2 | 3.2 |
), ArticleFig(id=1217475351861711645, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Tab.2, caption=
Electric strength of insulating oils, figureFileSmall=null, figureFileBig=null, tableContent=
| 间距/mm | 电气强度/(kV/mm) |
|---|
| 矿物油 | 植物油 |
|---|
| 50 | 831 | 867 |
| 100 | 1 215 | 1 203 |
| 125 | 1 193 | 1 221 |
| 150 | 1 346 | 1 256 |
), ArticleFig(id=1217475351953986337, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=表2, caption=
绝缘油电气强度
, figureFileSmall=null, figureFileBig=null, tableContent=
| 间距/mm | 电气强度/(kV/mm) |
|---|
| 矿物油 | 植物油 |
|---|
| 50 | 831 | 867 |
| 100 | 1 215 | 1 203 |
| 125 | 1 193 | 1 221 |
| 150 | 1 346 | 1 256 |
), ArticleFig(id=1217475352050455332, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=EN, label=Tab.3, caption=
Flashover occurrences in the two insulation oils, figureFileSmall=null, figureFileBig=null, tableContent=
), ArticleFig(id=1217475352163701543, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1209927010055491721, language=CN, label=表3, caption=
两种绝缘油的沿面闪络次数
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