Article(id=1210620762122228280, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1210620759618220989, articleNumber=null, orderNo=null, doi=10.16790/j.cnki.1009-9239.im.2024.12.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1706371200000, receivedDateStr=2024-01-28, revisedDate=1713456000000, revisedDateStr=2024-04-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1766564081935, onlineDateStr=2025-12-24, pubDate=1734624000000, pubDateStr=2024-12-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766564081935, onlineIssueDateStr=2025-12-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766564081935, creator=13701087609, updateTime=1766564081935, updator=13701087609, issue=Issue{id=1210620759618220989, tenantId=1146029695717560320, journalId=1149653034449285133, year='2024', volume='57', issue='12', pageStart='1', pageEnd='136', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766564081339, creator=13701087609, updateTime=1766564115162, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1210620901540885345, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1210620759618220989, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1210620901540885346, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1210620759618220989, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=58, endPage=65, ext={EN=ArticleExt(id=1210620762432606783, articleId=1210620762122228280, tenantId=1146029695717560320, journalId=1149653034449285133, language=EN, title=Effect of temperature and field strength dependence characteristics of silicone rubber insulating material on electric field distribution in prefabricated joints of XLPE insulated DC cables, columnId=1190369198472794288, journalTitle=Insulating Materials, columnName=Insulation Technology, runingTitle=null, highlight=null, articleAbstract=
The electric field distribution of cable joints under DC operation is influenced by the conductivity of insulating materials, which exhibits non-linear characteristics under the effects of temperature and electric field, so the electric field distribution within the joints is exceptionally complex. In order to select or determine suitable insulating materials for joint in engineering applications and improve the electric field distribution inside the joint, we constructed a simulation model for the prefabricated joint structure of 10 kV voltage level XLPE-insulated DC cables. By changing the non-linear characteristic parameters of the conductance of silicone rubber, the influence of the conductance activation energy and conductance field strength dependence of silicone rubber on the electric field distribution inside the joint under full load operation was explored. The results show that under high load conditions, the DC steady-state field strength at the insulation interface of the joint is influenced by the conductance activation energy and the conductance field strength dependence of the insulating material, the conductance activation energy has a greater impact. From an economic perspective, the ratio of the conductance activation energy and field strength dependence coefficient of conductance between silicone rubber and XLPE insulating material should not be higher than 0.94 and not be lower than 0.50, respectively.
, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Mingwei ZHAO, Tianxiang MA, Dan LI, Tuo ZHANG), CN=ArticleExt(id=1210620767746790246, articleId=1210620762122228280, tenantId=1146029695717560320, journalId=1149653034449285133, language=CN, title=硅橡胶绝缘材料温度及场强依赖特性对XLPE绝缘直流电缆预制接头内电场分布的影响, columnId=1190369198724452531, journalTitle=绝缘材料, columnName=绝缘技术, runingTitle=null, highlight=null, articleAbstract=
由于电缆接头在直流运行下的电场分布受绝缘材料电导率影响,而电导率受温度与电场的影响并呈现非线性特性,故接头内电场分布变得异常复杂。为选择或确定适合工程应用的接头绝缘材料,改善接头内的电场分布,本文针对10 kV电压等级XLPE绝缘直流电缆预制接头结构构建仿真模型,通过改变硅橡胶的电导非线性特征参数,探究接头运行在满载运行状态下硅橡胶的电导活化能及电导场强依赖特性对接头内电场分布的影响。结果表明:高负载情况下,接头绝缘交界面处的直流稳态场强受绝缘材料电导活化能及电导场强依赖特性的影响,其中电导活化能的影响更大。从经济性角度考虑,硅橡胶与XLPE绝缘材料的电导活化能与电导场强依赖系数之比分别为应不高于0.94和不低于0.50。
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赵明伟(1997-),男(汉族),河北石家庄人,助理工程师,主要从事配电网设备检测技术的研究;
马天祥(1986-),男(汉族),辽宁喀左人,高级工程师,主要从事配网故障分析与处理技术的研究。
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赵明伟(1997-),男(汉族),河北石家庄人,助理工程师,主要从事配电网设备检测技术的研究;
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赵明伟(1997-),男(汉族),河北石家庄人,助理工程师,主要从事配电网设备检测技术的研究;
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马天祥(1986-),男(汉族),辽宁喀左人,高级工程师,主要从事配网故障分析与处理技术的研究。
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马天祥(1986-),男(汉族),辽宁喀左人,高级工程师,主要从事配网故障分析与处理技术的研究。
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Shijiazhuang 050021, China), AuthorCompanyExt(id=1218964341253132945, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, companyId=1218964341227967118, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=国网河北省电力有限公司电力科学研究院,河北 石家庄 050021)])])], keywords=[Keyword(id=1218964342733722358, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, orderNo=1, keyword=silicon rubber), Keyword(id=1218964342842774270, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, orderNo=2, keyword=cable prefabricated joint), Keyword(id=1218964343035712261, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, orderNo=3, keyword=electric field distribution), Keyword(id=1218964343111209739, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, orderNo=4, keyword=non-linear conductance), Keyword(id=1218964343174124301, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, orderNo=1, keyword=硅橡胶), Keyword(id=1218964343245427474, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, orderNo=2, keyword=电缆预制接头), Keyword(id=1218964343312536341, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, orderNo=3, keyword=电场分布), Keyword(id=1218964343400616730, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, orderNo=4, keyword=非线性电导)], refs=[Reference(id=1218964347955631025, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, doi=null, pmid=null, pmcid=null, year=2022, volume=55, issue=3, pageStart=23, pageEnd=31, url=null, language=null, 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DC conductivity measurement system, figureFileSmall=iOaJL7vYeqseWCk8QwkjQg==, figureFileBig=aHlLzOUt3ssCVCfPON2UBg==, tableContent=null), ArticleFig(id=1218964343660663586, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, label=图1, caption=
直流电导率测量系统, figureFileSmall=iOaJL7vYeqseWCk8QwkjQg==, figureFileBig=aHlLzOUt3ssCVCfPON2UBg==, tableContent=null), ArticleFig(id=1218964344969286440, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, label=Fig.2, caption=
DC conductivity distribution of XLPE and silicone rubber under different temperatures and field strength, figureFileSmall=BID4yUNK7LurqgyQVskRIQ==, figureFileBig=puMW/w5ihWfP110x5BtY6Q==, tableContent=null), ArticleFig(id=1218964345065755435, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, label=图2, caption=
不同温度和场强下XLPE和硅橡胶的直流电导率分布, figureFileSmall=BID4yUNK7LurqgyQVskRIQ==, figureFileBig=puMW/w5ihWfP110x5BtY6Q==, tableContent=null), ArticleFig(id=1218964345191584562, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, label=Fig.3, caption=
The simulation model of 10 kV cable joint, figureFileSmall=O2w1JFgEd+S66VvNQmuWxA==, figureFileBig=NSZkwlVmygqoY0KXcUGTFg==, tableContent=null), ArticleFig(id=1218964345262887737, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, label=图3, caption=
10 kV电缆接头的仿真模型, figureFileSmall=O2w1JFgEd+S66VvNQmuWxA==, figureFileBig=NSZkwlVmygqoY0KXcUGTFg==, tableContent=null), ArticleFig(id=1218964345346773823, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, label=Fig.4, caption=
Temperature distribution of 10 kV cable joint under different load conditions, figureFileSmall=JYiFOqaQMV08r8DzuA568A==, figureFileBig=DcX3o1s/a7Dz0K3X5T+v7A==, tableContent=null), ArticleFig(id=1218964345430659904, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, label=图4, caption=
不同负荷条件下10 kV接头的温度分布, figureFileSmall=JYiFOqaQMV08r8DzuA568A==, figureFileBig=DcX3o1s/a7Dz0K3X5T+v7A==, tableContent=null), ArticleFig(id=1218964345514545987, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, label=Fig.5, caption=
Electric field distribution in 10 kV cable joint under different load conditions, figureFileSmall=a0mwnvpSu9HU2auJj/Or3g==, figureFileBig=ekQKp58DtzcpXs/M3MbvIw==, tableContent=null), ArticleFig(id=1218964345598432072, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, label=图5, caption=
不同负荷条件下10 kV接头内的电场分布, figureFileSmall=a0mwnvpSu9HU2auJj/Or3g==, figureFileBig=ekQKp58DtzcpXs/M3MbvIw==, tableContent=null), ArticleFig(id=1218964345686512462, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, label=Fig.6, caption=
Simulation path in 10 kV cable joint, figureFileSmall=WS3aD+wL380tzI9CL3xhhA==, figureFileBig=Tc79JomJ9X9zqRUUMSR+aw==, tableContent=null), ArticleFig(id=1218964345774592848, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, label=图6, caption=
10 kV接头中的仿真路径, figureFileSmall=WS3aD+wL380tzI9CL3xhhA==, figureFileBig=Tc79JomJ9X9zqRUUMSR+aw==, tableContent=null), ArticleFig(id=1218964345875256149, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, label=Fig.7, caption=
The change of electric field distribution on the interface of joint insulation with φ, figureFileSmall=mxSepjncBKUXF9shhDgtMQ==, figureFileBig=dgxIhSPWpiVPiZInzRgVeA==, tableContent=null), ArticleFig(id=1218964345954947931, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, label=图7, caption=
接头绝缘交界面场强分布随φ的变化, figureFileSmall=mxSepjncBKUXF9shhDgtMQ==, figureFileBig=dgxIhSPWpiVPiZInzRgVeA==, tableContent=null), ArticleFig(id=1218964346047222627, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, label=Fig.8, caption=
The conductivity ratio of insulating material and field strength at the root of stress cone corresponding to different φ values, figureFileSmall=6TouWH6kPqZQOv29oP8+jQ==, figureFileBig=74H/bWbE/U8SSXp16/Rxag==, tableContent=null), ArticleFig(id=1218964346160468839, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, label=图8, caption=
不同φ值对应的绝缘材料电导率比值及应力锥根部场强, figureFileSmall=6TouWH6kPqZQOv29oP8+jQ==, figureFileBig=74H/bWbE/U8SSXp16/Rxag==, tableContent=null), ArticleFig(id=1218964346256937835, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, label=Fig.9, caption=
The variation of field strength distribution on the insulation interface inside the joint with the dependence coefficient of conductivity field strength, figureFileSmall=9J52v/PSjGdBIo9a+nRH7Q==, figureFileBig=rYewnNbC3f5BXHQjB3vz8w==, tableContent=null), ArticleFig(id=1218964346374378352, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, label=图9, caption=
接头内绝缘交界面处的场强分布随电导场强依赖系数的变化, figureFileSmall=9J52v/PSjGdBIo9a+nRH7Q==, figureFileBig=rYewnNbC3f5BXHQjB3vz8w==, tableContent=null), ArticleFig(id=1218964346445681523, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, label=Fig.10, caption=
The conductivity ratio of insulating material and field strength at the root of stress cone corresponding to different B values, figureFileSmall=eVsAhJn1vOZ7cuiIkzWrHA==, figureFileBig=8tzaYMPCbjv94nLbtBwohQ==, tableContent=null), ArticleFig(id=1218964346554733432, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, label=图10, caption=
不同B值对应的绝缘材料电导率比值及应力锥根部场强, figureFileSmall=eVsAhJn1vOZ7cuiIkzWrHA==, figureFileBig=8tzaYMPCbjv94nLbtBwohQ==, tableContent=null), ArticleFig(id=1218964346663785339, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, label=Table 1, caption=
Thermal conductivity of materials in the joint, figureFileSmall=null, figureFileBig=null, tableContent=
| 结构名称 | 导热系数/(W/(m·K)) |
|---|
| 铜导体 | 385 |
| XLPE绝缘 | 0.286 |
| 硅橡胶绝缘 | 0.270 |
| 半导电屏蔽层 | 0.280 |
), ArticleFig(id=1218964346768642945, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, label=表1, caption=
接头中各材料的导热系数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 结构名称 | 导热系数/(W/(m·K)) |
|---|
| 铜导体 | 385 |
| XLPE绝缘 | 0.286 |
| 硅橡胶绝缘 | 0.270 |
| 半导电屏蔽层 | 0.280 |
), ArticleFig(id=1218964346886083462, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, label=Table 2, caption=
The correlation coefficient fitting results of the conductivity of XLPE and silicone rubber, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料种类 | A/(V/(Ω·m2)) | φ/eV | B/(m/V) |
|---|
| XLPE | 4.48×104 | 0.77 | 1.20×10-7 |
| 硅橡胶 | 1.50×104 | 0.72 | 5.43×10-8 |
), ArticleFig(id=1218964346999329676, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, label=表2, caption=
XLPE和硅橡胶的电导率相关系数拟合结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料种类 | A/(V/(Ω·m2)) | φ/eV | B/(m/V) |
|---|
| XLPE | 4.48×104 | 0.77 | 1.20×10-7 |
| 硅橡胶 | 1.50×104 | 0.72 | 5.43×10-8 |
), ArticleFig(id=1218964347154518930, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, label=Table 3, caption=
Load current and conductor temperature of 10 kV joint under different load conditions, figureFileSmall=null, figureFileBig=null, tableContent=
| 负荷条件 | 负载电流/A | 导体温度/℃ |
|---|
| 低负荷 | 410 | 39.7 |
| 中等负荷 | 540 | 50.4 |
| 高负荷 | 630 | 59.6 |
| 满载 | 720 | 70.2 |
), ArticleFig(id=1218964347234210706, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, label=表3, caption=
不同负荷条件下10 kV接头的负载电流与导体温度
, figureFileSmall=null, figureFileBig=null, tableContent=
| 负荷条件 | 负载电流/A | 导体温度/℃ |
|---|
| 低负荷 | 410 | 39.7 |
| 中等负荷 | 540 | 50.4 |
| 高负荷 | 630 | 59.6 |
| 满载 | 720 | 70.2 |
), ArticleFig(id=1218964347313902486, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, label=Table 4, caption=
Field strength at the root of stress cone and conductivity ratio of XLPE and silicone rubber on both sides under different φ values, figureFileSmall=null, figureFileBig=null, tableContent=
| φ/eV | 0.70 | 0.71 | 0.72 | 0.73 | 0.74 | 0.75 | 0.76 |
|---|
| Ey/(kV/mm) | 2.45 | 2.47 | 2.72 | 3.71 | 4.97 | 6.53 | 8.35 |
| R | 0.58 | 0.83 | 1.18 | 1.69 | 2.44 | 3.57 | 5.30 |
), ArticleFig(id=1218964347422954395, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, label=表4, caption=
不同φ值下应力锥根部场强及其两侧XLPE与硅橡胶电导率比值
, figureFileSmall=null, figureFileBig=null, tableContent=
| φ/eV | 0.70 | 0.71 | 0.72 | 0.73 | 0.74 | 0.75 | 0.76 |
|---|
| Ey/(kV/mm) | 2.45 | 2.47 | 2.72 | 3.71 | 4.97 | 6.53 | 8.35 |
| R | 0.58 | 0.83 | 1.18 | 1.69 | 2.44 | 3.57 | 5.30 |
), ArticleFig(id=1218964347515229087, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=EN, label=Table 5, caption=
Field strength at the root of stress cone and conductivity ratio of insulating materials on both sides under different B values, figureFileSmall=null, figureFileBig=null, tableContent=
| B/(×10-8 m/V) | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|
| Ey/(kV/mm) | 6.38 | 4.59 | 3.58 | 2.93 | 2.49 | 2.48 | 2.47 |
| R | 3.46 | 2.19 | 1.62 | 1.28 | 1.07 | 0.91 | 0.79 |
), ArticleFig(id=1218964347582337953, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1210620762122228280, language=CN, label=表5, caption=
不同B值对应的应力锥根部场强及两侧绝缘材料的电导率比值
, figureFileSmall=null, figureFileBig=null, tableContent=
| B/(×10-8 m/V) | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|
| Ey/(kV/mm) | 6.38 | 4.59 | 3.58 | 2.93 | 2.49 | 2.48 | 2.47 |
| R | 3.46 | 2.19 | 1.62 | 1.28 | 1.07 | 0.91 | 0.79 |
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