Article(id=1199641491086868536, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1199641484963181075, articleNumber=null, orderNo=null, doi=10.16790/j.cnki.1009-9239.im.2023.07.012, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1659801600000, receivedDateStr=2022-08-07, revisedDate=1665936000000, revisedDateStr=2022-10-17, acceptedDate=null, acceptedDateStr=null, onlineDate=1763946419736, onlineDateStr=2025-11-24, pubDate=1689782400000, pubDateStr=2023-07-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1763946419736, onlineIssueDateStr=2025-11-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1763946419736, creator=13701087609, updateTime=1763946419736, updator=13701087609, issue=Issue{id=1199641484963181075, tenantId=1146029695717560320, journalId=1149653034449285133, year='2023', volume='56', issue='7', pageStart='1', pageEnd='113', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1763946418275, creator=13701087609, updateTime=1766563596176, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1210618724747440709, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1199641484963181075, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1210618724747440710, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1199641484963181075, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=74, endPage=81, ext={EN=ArticleExt(id=1199641491917340737, articleId=1199641491086868536, tenantId=1146029695717560320, journalId=1149653034449285133, language=EN, title=Water tree diagnosis of XLPE cable based on combination of macro and micro parameters, columnId=1190369198472794288, journalTitle=Insulating Materials, columnName=Insulation Technology, runingTitle=null, highlight=null, articleAbstract=
In order to solve the prediction problem of water tree density of XLPE cable, an analysis method combining the macro detection data with the micro water tree profile of aged cable was proposed. Two new parameters (carbon and oxygen index and water content index) were proposed to quantitatively describe the changes of EDS and FTIR results in the water tree region. Firstly, the polarization and depolarization current method (PDC) was used to detect the water-tree ageing cables under different experimental conditions. A series of macroscopic parameters such as cable ageing factor, DC conductivity, and 0.1 Hz dielectric loss factor were obtained. Then, the micro parameters of water tree were obtained by microscopic observation of cable slice. The water tree growth model was established to calculate the water tree density of cable, and the correlation between the macroscopic parameters of cable and the microscopic water tree density was analyzed. The results show that the longer the ageing time, the greater the carbon oxygen index and water content index, and the faster the rate of increase. Based on the correlation coefficient, a new mathematical model for predicting the growth density of water tree inside XLPE cable is established, which realize the combination of microstructure of water tree inside cable and macro test parameters.
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为解决交联聚乙烯电缆(XLPE)水树密度的预测问题,提出了将老化电缆的宏观检测数据与微观水树形貌相结合的分析方法,同时提出了两种新的参数(碳氧指数、含水指数)来定量描述水树区域的能谱分析(EDS)结果和红外光谱(FTIR)结果的变化。首先通过对不同实验条件下的水树老化电缆进行极化/去极化电流法(PDC)检测,得到电缆的老化因子、直流电导率以及0.1 Hz介质损耗因数等一系列宏观参数,再将电缆切片进行微观观测,得到水树的微观参数,建立水树生长的模型计算电缆的水树密度,对PDC测试得到的电缆的宏观参数与微观水树密度进行相关性分析。结果表明:老化时间越长,碳氧指数和含水指数越大,且增大的速率越快。根据相关系数建立了一种新的预测XLPE电缆内部水树生长密度的数学模型,实现了电缆内部水树的微观结构与宏观测试参数的结合。
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朱博(1987-),男(汉族),陕西西安人,副教授,主要从事电气设备绝缘状态监测(检测)技术的研究。
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k-nearest neighbour and Pearson's correlation coefficient techniques through computational model-based analysis, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1217475254918758687, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, xref=1, ext=[AuthorCompanyExt(id=1217475254927147297, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, companyId=1217475254918758687, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, China), AuthorCompanyExt(id=1217475254935535905, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, companyId=1217475254918758687, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1哈尔滨理工大学 电气与电子工程学院,黑龙江 哈尔滨 150080)]), AuthorCompany(id=1217475255019421993, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, xref=2, ext=[AuthorCompanyExt(id=1217475255023616297, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, companyId=1217475255019421993, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2国网山东省滨州市沾化区供电公司,山东 滨州 256600)])], figs=[ArticleFig(id=1217475259012399601, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Fig.1, caption=
Schematic diagram of water tree ageing experiment, figureFileSmall=VWrxlZMtVqI/YKEc5SswCg==, figureFileBig=w4YUK2LrXxH7dN5+j9/D0g==, tableContent=null), ArticleFig(id=1217475259100479992, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=图1, caption=
水树老化实验示意图, figureFileSmall=VWrxlZMtVqI/YKEc5SswCg==, figureFileBig=w4YUK2LrXxH7dN5+j9/D0g==, tableContent=null), ArticleFig(id=1217475259234697728, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Fig.2, caption=
PDC test circuit diagram, figureFileSmall=eMsAhEaOkVrPRE2CQ4Sgdw==, figureFileBig=Jneoba4s4o4l5KFRPLa9tw==, tableContent=null), ArticleFig(id=1217475259335361031, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=图2, caption=
PDC测试电路图, figureFileSmall=eMsAhEaOkVrPRE2CQ4Sgdw==, figureFileBig=Jneoba4s4o4l5KFRPLa9tw==, tableContent=null), ArticleFig(id=1217475259444412942, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Fig.3, caption=
Depolarization current of three-phase cable in different ageing stages, figureFileSmall=ym6Gz0NJV2I//1Lheg8NFA==, figureFileBig=Ys7ibsQzHeRHV0xXZqVvqA==, tableContent=null), ArticleFig(id=1217475259553464857, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=图3, caption=
三相电缆不同老化阶段的去极化电流, figureFileSmall=ym6Gz0NJV2I//1Lheg8NFA==, figureFileBig=Ys7ibsQzHeRHV0xXZqVvqA==, tableContent=null), ArticleFig(id=1217475259679293982, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Fig.4, caption=
Dielectric loss factor at 0.1 Hz of three-phase cables with different ageing time, figureFileSmall=2NvjxPp5dzuiyO2r2FlFHA==, figureFileBig=l8qSpZb3V+eEuyMNgXGCiQ==, tableContent=null), ArticleFig(id=1217475259758985761, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=图4, caption=
不同老化时间三相电缆的0.1 Hz介质损耗因数, figureFileSmall=2NvjxPp5dzuiyO2r2FlFHA==, figureFileBig=l8qSpZb3V+eEuyMNgXGCiQ==, tableContent=null), ArticleFig(id=1217475259847066152, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Fig.5, caption=
Water tree observation of sliced samples cables, figureFileSmall=G2LB+tNDtYPyhgRd8q8TOw==, figureFileBig=gHobvghxijdcalFq6Jfnxg==, tableContent=null), ArticleFig(id=1217475259935146542, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=图5, caption=
电缆切片样本的水树观测, figureFileSmall=G2LB+tNDtYPyhgRd8q8TOw==, figureFileBig=gHobvghxijdcalFq6Jfnxg==, tableContent=null), ArticleFig(id=1217475260023226929, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Fig.6, caption=
SEM observation results in water tree area of XLPE cable, figureFileSmall=xYnXAVx14Og23fa/33ZXuw==, figureFileBig=L2p46UkvaZ67Q+IzyreOuQ==, tableContent=null), ArticleFig(id=1217475260174221879, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=图6, caption=
XLPE电缆水树区SEM观测结果, figureFileSmall=xYnXAVx14Og23fa/33ZXuw==, figureFileBig=L2p46UkvaZ67Q+IzyreOuQ==, tableContent=null), ArticleFig(id=1217475260253913660, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Fig.7, caption=
FTIR of phase A cable with different ageing times, figureFileSmall=hOo1++V0p2nHV/xLF123XA==, figureFileBig=Eu0Am6zkpA/cbAZbzKUyHQ==, tableContent=null), ArticleFig(id=1217475260367159876, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=图7, caption=
A相电缆不同老化时间下的FTIR, figureFileSmall=hOo1++V0p2nHV/xLF123XA==, figureFileBig=Eu0Am6zkpA/cbAZbzKUyHQ==, tableContent=null), ArticleFig(id=1217475260480406092, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Fig.8, caption=
Variation trend of water content index of three-phase cable with ageing time, figureFileSmall=tP6GyGg2daT+U3MPxkIoMg==, figureFileBig=m+re/LUp5VBtDiLQh/VPCg==, tableContent=null), ArticleFig(id=1217475260585263696, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=图8, caption=
三相电缆含水指数随老化时间的变化趋势, figureFileSmall=tP6GyGg2daT+U3MPxkIoMg==, figureFileBig=m+re/LUp5VBtDiLQh/VPCg==, tableContent=null), ArticleFig(id=1217475260706898518, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Tab.1, caption=
Ageing factor criterion of German cable, figureFileSmall=null, figureFileBig=null, tableContent=
| 老化判据 | Af |
|---|
| 良好 | Af<1.75 |
| 中等 | 1.75<Af<1.90 |
| 老化明显 | 1.90<Af<2.10 |
| 老化严重 | Af>2.10 |
), ArticleFig(id=1217475260820144731, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=表1, caption=
德国电缆老化因子判据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 老化判据 | Af |
|---|
| 良好 | Af<1.75 |
| 中等 | 1.75<Af<1.90 |
| 老化明显 | 1.90<Af<2.10 |
| 老化严重 | Af>2.10 |
), ArticleFig(id=1217475260904030814, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Tab.2, caption=
Relationship between cable ageing factor and ageing time of water tree, figureFileSmall=null, figureFileBig=null, tableContent=
| 水树老化时间/d | 老化因子均值 |
|---|
| 未老化 | 1.850 |
| 30 | 2.321 |
| 60 | 2.743 |
| 90 | 3.234 |
), ArticleFig(id=1217475262216847969, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=表2, caption=
电缆老化因子与水树老化时间的关系
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水树老化时间/d | 老化因子均值 |
|---|
| 未老化 | 1.850 |
| 30 | 2.321 |
| 60 | 2.743 |
| 90 | 3.234 |
), ArticleFig(id=1217475262330094181, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Tab.3, caption=
The DC conductivity of three-phase cables with different ageing time, figureFileSmall=null, figureFileBig=null, tableContent=
| 老化时间/d | 直流电导率/(×10-15 S/m) |
|---|
| A相 | B相 | C相 | D相 |
|---|
| 未老化 | 2.8 | 4.9 | 3.6 | 3.8 |
| 30 | 98 | 270 | 190 | 190 |
| 60 | 540 | 820 | 880 | 750 |
| 90 | 980 | 1 100 | 1 200 | 1 100 |
), ArticleFig(id=1217475262434951783, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=表3, caption=
不同老化时间下三相电缆的直流电导率计算结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 老化时间/d | 直流电导率/(×10-15 S/m) |
|---|
| A相 | B相 | C相 | D相 |
|---|
| 未老化 | 2.8 | 4.9 | 3.6 | 3.8 |
| 30 | 98 | 270 | 190 | 190 |
| 60 | 540 | 820 | 880 | 750 |
| 90 | 980 | 1 100 | 1 200 | 1 100 |
), ArticleFig(id=1217475262535615083, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Tab.4, caption=
Average volume and density of water tree inside the cable at different ageing times, figureFileSmall=null, figureFileBig=null, tableContent=
| 老化时间/d | 水树平均体积/mm3 | 三相电缆水树平均体积/mm3 | 水树生长速率/(mm3/d) | 水树密度/% |
|---|
| A相 | B相 | C相 |
|---|
| 未老化 | 0 | 0 | 0 | 0 | 0 | 0 |
| 30 | 0.380 | 0.324 | 0.426 | 0.377 | 0.013 | 0.042 4 |
| 60 | 0.642 | 0.579 | 0.604 | 0.608 | 0.008 | 0.068 3 |
| 90 | 1.483 | 1.284 | 1.594 | 1.454 | 0.028 | 0.163 3 |
), ArticleFig(id=1217475262674027118, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=表4, caption=
不同老化时间电缆内部水树的平均体积和密度
, figureFileSmall=null, figureFileBig=null, tableContent=
| 老化时间/d | 水树平均体积/mm3 | 三相电缆水树平均体积/mm3 | 水树生长速率/(mm3/d) | 水树密度/% |
|---|
| A相 | B相 | C相 |
|---|
| 未老化 | 0 | 0 | 0 | 0 | 0 | 0 |
| 30 | 0.380 | 0.324 | 0.426 | 0.377 | 0.013 | 0.042 4 |
| 60 | 0.642 | 0.579 | 0.604 | 0.608 | 0.008 | 0.068 3 |
| 90 | 1.483 | 1.284 | 1.594 | 1.454 | 0.028 | 0.163 3 |
), ArticleFig(id=1217475262749524595, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Tab.5, caption=
Chemical element composition of cable EDS test at different ageing times, figureFileSmall=null, figureFileBig=null, tableContent=
| 水树老化时间/d | 化学元素 | 质量百分比/% | 原子百分比/% |
|---|
| 未老化 | C | 85.91 | 97.42 |
| O | 2.04 | 1.74 |
| 30 | C | 86.37 | 96.68 |
| O | 2.51 | 2.11 |
| 60 | C | 83.41 | 94.46 |
| O | 4.30 | 3.66 |
| 90 | C | 82.69 | 92.28 |
| O | 7.72 | 6.47 |
), ArticleFig(id=1217475262850187896, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=表5, caption=
不同老化时间电缆EDS测试化学元素成分表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水树老化时间/d | 化学元素 | 质量百分比/% | 原子百分比/% |
|---|
| 未老化 | C | 85.91 | 97.42 |
| O | 2.04 | 1.74 |
| 30 | C | 86.37 | 96.68 |
| O | 2.51 | 2.11 |
| 60 | C | 83.41 | 94.46 |
| O | 4.30 | 3.66 |
| 90 | C | 82.69 | 92.28 |
| O | 7.72 | 6.47 |
), ArticleFig(id=1217475262992794237, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Tab.6, caption=
Carbon and oxygen index of cable EDS test with different water tree aging time, figureFileSmall=null, figureFileBig=null, tableContent=
| 老化时间/d | 碳氧指数 |
|---|
| A相 | B相 | C相 |
|---|
| 未老化 | 1.79 | 1.92 | 2.05 |
| 30 | 2.18 | 2.31 | 2.22 |
| 60 | 3.87 | 3.66 | 4.04 |
| 90 | 7.01 | 7.13 | 7.55 |
), ArticleFig(id=1217475263114429059, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=表6, caption=
不同水树老化时间电缆EDS测试的碳氧指数表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 老化时间/d | 碳氧指数 |
|---|
| A相 | B相 | C相 |
|---|
| 未老化 | 1.79 | 1.92 | 2.05 |
| 30 | 2.18 | 2.31 | 2.22 |
| 60 | 3.87 | 3.66 | 4.04 |
| 90 | 7.01 | 7.13 | 7.55 |
), ArticleFig(id=1217475263206703751, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Tab.7, caption=
Pearson correlation coefficient discrimination method, figureFileSmall=null, figureFileBig=null, tableContent=
| 水树老化时间/d | 老化因子均值 |
|---|
| 0.8~1.0 | 极强相关 |
| 0.6~0.8 | 强相关 |
| 0.4~0.6 | 中等程度相关 |
| 0.2~0.4 | 较弱相关 |
| 0~0.2 | 极弱相关或无相关 |
), ArticleFig(id=1217475263290589835, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=表7, caption=
皮尔逊相关系数判别方法
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水树老化时间/d | 老化因子均值 |
|---|
| 0.8~1.0 | 极强相关 |
| 0.6~0.8 | 强相关 |
| 0.4~0.6 | 中等程度相关 |
| 0.2~0.4 | 较弱相关 |
| 0~0.2 | 极弱相关或无相关 |
), ArticleFig(id=1217475263349310094, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=EN, label=Tab.8, caption=
The results of correlation calculation between macro parameters and water tree density, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 水树密度 |
|---|
| 老化因子 | 皮尔逊相关系数 | 0.968 |
| 显著性水平 | 0.032 |
| 直流电导率 | 皮尔逊相关系数 | 0.944 |
| 显著性水平 | 0.056 |
| 0.1 Hz介质损耗因数 | 皮尔逊相关系数 | 0.957 |
| 显著性水平 | 0.043 |
), ArticleFig(id=1217475263441584786, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1199641491086868536, language=CN, label=表8, caption=
宏观参数与水树密度的相关性计算结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 水树密度 |
|---|
| 老化因子 | 皮尔逊相关系数 | 0.968 |
| 显著性水平 | 0.032 |
| 直流电导率 | 皮尔逊相关系数 | 0.944 |
| 显著性水平 | 0.056 |
| 0.1 Hz介质损耗因数 | 皮尔逊相关系数 | 0.957 |
| 显著性水平 | 0.043 |
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