Article(id=1320165863085424730, tenantId=1146029695717560320, journalId=1306274063662022745, issueId=1320165840046117035, articleNumber=null, orderNo=null, doi=10.20168/j.1009-0029.2026.05.0034.11, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1755014400000, receivedDateStr=2025-08-13, revisedDate=1765728000000, revisedDateStr=2025-12-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1792681669255, onlineDateStr=2026-10-22, pubDate=1778774400000, pubDateStr=2026-05-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792681669255, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792681669255, creator=13701087609, updateTime=1792681669255, updator=13701087609, issue=Issue{id=1320165840046117035, tenantId=1146029695717560320, journalId=1306274063662022745, year='2026', volume='45', issue='5', pageStart='1', pageEnd='148', issueExtLink='null', onlineDate='null', pubDate='1778774400000', pubDateStr='2026-05-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792681663762, creator='13701087609', updateTime=1792681663762, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=34, endPage=44, ext={EN=ArticleExt(id=1320165863299334235, articleId=1320165863085424730, tenantId=1146029695717560320, journalId=1306274063662022745, language=EN, title=The risk of damage to adjacent cables under the condition of arc ignition of the outer sheath of 110 kV flame retardant cable, columnId=1307033097116086459, journalTitle=Fire Science and Technology, columnName=Fire theory study, runingTitle=null, highlight=null, articleAbstract=
This paper explores the damage risk of adjacent cables when arc ignition occurs in the outer sheath of high voltage cables. Firstly, a high-voltage cable arc ignition test platform was built, the 110 kV flame retardant cable was used as the test material. The typical arc fault conditions were selected to carry out the arc ignition test, and the ignition characteristics of the cable outer sheath were analyzed. Then, the equivalent fire source simulation model was established according to the ignition test data, and the temperature rise characteristics of the sheath combustion were verified. Finally, taking a typical cable tunnel as an example, the temperature distribution simulation and the risk assessment of adjacent cable damage were carried out. The results show that the maximum flame temperature under 4~10 A typical arc condition is 310~725 ℃, and the equivalent fire source power is about 128~275 W. When the fault arc current is less than 8 A, there is no risk of damage to the cables in each layer of the tunnel; when the arc current is 8 A and above, the surface temperature of the upper laying cable on the same side of the fault cable exceeds the safety limit 30 s after the arc fault occurs, and there is a risk of damage.
, authors=Ziheng Pu
1, Xun Guo
1, Zhigang Ren
2, Shuai Wang
2, Wei Guo
2, authorsList=Ziheng Pu, Xun Guo, Zhigang Ren, Shuai Wang, Wei Guo, authorCompany=null, correspAuthors=Xun Guo, 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, fund=null), CN=ArticleExt(id=1320165869020364928, articleId=1320165863085424730, tenantId=1146029695717560320, journalId=1306274063662022745, language=CN, title=110 kV阻燃电缆外护套电弧引燃情况下邻近电缆的损伤风险, columnId=1307033099062243517, journalTitle=消防科学与技术, columnName=消防理论研究, runingTitle=null, highlight=null, articleAbstract=
探究高压电缆外护套发生电弧引燃时邻近电缆的损伤风险。首先,搭建高压电缆电弧引燃试验平台,采用110 kV阻燃电缆作为试验材料,选取典型故障电弧工况,开展电弧引燃试验,分析电缆外护套的引燃特性;然后,根据引燃试验数据建立等效火源仿真模型,利用护套燃烧的温升特性进行验证;最后,以典型电缆隧道为例,进行温度分布仿真和邻近电缆损伤风险评估。结果表明,4~10 A典型电弧工况下,火焰最高温度为310~725 ℃,等效火源功率约为128~275 W。故障电弧电流小于8 A时,隧道各层电缆无损伤风险;电弧电流在8 A及以上时,在电弧故障发生30 s后,故障电缆同侧的上层敷设电缆表面温度超过安全限值,存在损伤风险。
, authors=普子恒
1, 郭讯
1, 任志刚
2, 王帅
2, 郭卫
2, authorsList=普子恒, 郭讯, 任志刚, 王帅, 郭卫, authorCompany=null, correspAuthors=郭讯, authorNote=
普子恒,三峡大学电气与新能源学院副教授,博士,主要研究方向为电网防灾减灾、输电线路智能运维,湖北省宜昌市西陵区,443002。
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1College of Electrical Engineering & New Energy, China Three Gorges University, Yichang Hubei 443002, China), AuthorCompanyExt(id=1320165869276217475, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, companyId=1320165869251051649, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1三峡大学 电气与新能源学院,湖北 宜昌 443002)]), AuthorCompany(id=1320165869360103556, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, xref=2, ext=[AuthorCompanyExt(id=1320165869368492165, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, companyId=1320165869360103556, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2Beijing Electric Power Research Institute, State Grid, Beijing 100075, China), AuthorCompanyExt(id=1320165869381075078, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, companyId=1320165869360103556, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2国网北京市电力公司电力科学研究院,北京 100075)])], figs=[ArticleFig(id=1320165873051091112, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.1, caption=
The 110 kV single-core cable structure diagram, figureFileSmall=TfYlEj/I0UMxWGBK7cGbrw==, figureFileBig=xggxAET3b9wXqtXRxdUKhQ==, tableContent=null), ArticleFig(id=1320165873134977193, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图1, caption=
110 kV单芯电缆结构图, figureFileSmall=TfYlEj/I0UMxWGBK7cGbrw==, figureFileBig=xggxAET3b9wXqtXRxdUKhQ==, tableContent=null), ArticleFig(id=1320165873348886698, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.2, caption=
Schematic diagram of metal sheath cross-connection wiring, figureFileSmall=rfFp0M7mOaCs1ehKlosG9A==, figureFileBig=UXkPWKNlQMCVTVJkC1NfTA==, tableContent=null), ArticleFig(id=1320165873411801259, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图2, caption=
金属护层交叉互联接线示意图, figureFileSmall=rfFp0M7mOaCs1ehKlosG9A==, figureFileBig=UXkPWKNlQMCVTVJkC1NfTA==, tableContent=null), ArticleFig(id=1320165873483104428, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.3, caption=
Schematic diagram of the simulated arc ignitiontest platform, figureFileSmall=4cQOf+Vv6OwthuvxTwXbXg==, figureFileBig=wu1G3IJE9SqPl/SNAF/beg==, tableContent=null), ArticleFig(id=1320165873558601901, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图3, caption=
模拟电弧引燃试验平台示意图, figureFileSmall=4cQOf+Vv6OwthuvxTwXbXg==, figureFileBig=wu1G3IJE9SqPl/SNAF/beg==, tableContent=null), ArticleFig(id=1320165873629905070, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.4, caption=
Arc ignition device layout, figureFileSmall=ZOuliiAr6kWeXcse/3Ebow==, figureFileBig=00odiApmCZEYgIYsmL4J3w==, tableContent=null), ArticleFig(id=1320165873697013935, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图4, caption=
引弧装置布置图, figureFileSmall=ZOuliiAr6kWeXcse/3Ebow==, figureFileBig=00odiApmCZEYgIYsmL4J3w==, tableContent=null), ArticleFig(id=1320165873772511408, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.5, caption=
The gap voltage waveform at the moment the solder wire melts under 10 A arc conditions, figureFileSmall=rU28Mqv8Pn0ptwadgL1PFA==, figureFileBig=qMQq21+zRLFIn8cbZgrtTA==, tableContent=null), ArticleFig(id=1320165873860591793, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图5, caption=
10 A电流工况下焊锡丝熔断瞬间间隙电压波形, figureFileSmall=rU28Mqv8Pn0ptwadgL1PFA==, figureFileBig=qMQq21+zRLFIn8cbZgrtTA==, tableContent=null), ArticleFig(id=1320165873952866482, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.6, caption=
Ignition process of cable outer sheath under, figureFileSmall=tmQ+xLIUIuWC0v5mgAOFkg==, figureFileBig=HXpYstpgywsCr6ZsM3dSuA==, tableContent=null), ArticleFig(id=1320165874036752563, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图6, caption=
单次燃弧下电缆外护套引燃过程single arc
, figureFileSmall=tmQ+xLIUIuWC0v5mgAOFkg==, figureFileBig=HXpYstpgywsCr6ZsM3dSuA==, tableContent=null), ArticleFig(id=1320165874112250036, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.7, caption=
The outer sheath burns to form a carbonized channel, figureFileSmall=aMZf02I4DpfxkoVKrn+xVg==, figureFileBig=TVDRZ7MiRMB/x0PcEWiFFw==, tableContent=null), ArticleFig(id=1320165874175164597, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图7, caption=
外护套燃烧形成炭化通道, figureFileSmall=aMZf02I4DpfxkoVKrn+xVg==, figureFileBig=TVDRZ7MiRMB/x0PcEWiFFw==, tableContent=null), ArticleFig(id=1320165874233884854, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.8, caption=
Temperature curves at each measuring point under single arc, figureFileSmall=5xROaumzinTxofxQo8eF6A==, figureFileBig=WXz62V7X4Y+NnLaf9DO9Ag==, tableContent=null), ArticleFig(id=1320165874292605111, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图8, caption=
单次燃弧下各测温点处温度曲线, figureFileSmall=5xROaumzinTxofxQo8eF6A==, figureFileBig=WXz62V7X4Y+NnLaf9DO9Ag==, tableContent=null), ArticleFig(id=1320165874347131064, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.9, caption=
Cable ablation appearance under various arc conditions, figureFileSmall=O8xkHNrFuF0BpH7OGPReHQ==, figureFileBig=jN+zrcfAicPHL5KYqiBVFA==, tableContent=null), ArticleFig(id=1320165874410045625, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图9, caption=
不同电弧工况下的电缆烧蚀样貌, figureFileSmall=O8xkHNrFuF0BpH7OGPReHQ==, figureFileBig=jN+zrcfAicPHL5KYqiBVFA==, tableContent=null), ArticleFig(id=1320165874468765882, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.10, caption=
Ignition process of cable outer sheath under multiple arc, figureFileSmall=oMNeZTfcrMssMyOR+FJDrA==, figureFileBig=Fbz3A/HJ3CMuEuuhZGT78g==, tableContent=null), ArticleFig(id=1320165874540069051, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图10, caption=
多次燃弧下电缆外护套引燃过程, figureFileSmall=oMNeZTfcrMssMyOR+FJDrA==, figureFileBig=Fbz3A/HJ3CMuEuuhZGT78g==, tableContent=null), ArticleFig(id=1320165874640732348, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.11, caption=
Temperature curves at each measuring point under multiple arc, figureFileSmall=Te9nT5Vcuk/3mYd+c1ViXg==, figureFileBig=bH+fonPM0yeeVXV4SBXzbQ==, tableContent=null), ArticleFig(id=1320165878168142013, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图11, caption=
多次燃弧下各测温点处温度曲线, figureFileSmall=Te9nT5Vcuk/3mYd+c1ViXg==, figureFileBig=bH+fonPM0yeeVXV4SBXzbQ==, tableContent=null), ArticleFig(id=1320165878243639486, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.12, caption=
Cable burning appearance under multiple arc, figureFileSmall=1vM9BTYMjbgqjBnwmdfwYA==, figureFileBig=ES4BVAoDdaq+Gje+h+IVcA==, tableContent=null), ArticleFig(id=1320165878348497087, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图12, caption=
多次燃弧下的电缆燃烧样貌, figureFileSmall=1vM9BTYMjbgqjBnwmdfwYA==, figureFileBig=ES4BVAoDdaq+Gje+h+IVcA==, tableContent=null), ArticleFig(id=1320165878444966080, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.13, caption=
Cable tunnel layout, figureFileSmall=2HGrE+KNnK1w4ycUmT+xPw==, figureFileBig=OJ7rLNUbke3aBxCylvfu2A==, tableContent=null), ArticleFig(id=1320165878507880641, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图13, caption=
电缆隧道布置图, figureFileSmall=2HGrE+KNnK1w4ycUmT+xPw==, figureFileBig=OJ7rLNUbke3aBxCylvfu2A==, tableContent=null), ArticleFig(id=1320165878591766722, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.14, caption=
Cable tunnel simulation model, figureFileSmall=f9/XdAp18b70ojmyqWgRpQ==, figureFileBig=7VpCoSy8PyPgN20eTHF49g==, tableContent=null), ArticleFig(id=1320165878663069891, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图14, caption=
电缆隧道仿真模型, figureFileSmall=f9/XdAp18b70ojmyqWgRpQ==, figureFileBig=7VpCoSy8PyPgN20eTHF49g==, tableContent=null), ArticleFig(id=1320165878734373060, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.15, caption=
Arc characteristic waveform under 10 A condition, figureFileSmall=EajRWyLMk4gjqWRFaG/lrQ==, figureFileBig=tx4gZ+JTg/Out2v+TspEKA==, tableContent=null), ArticleFig(id=1320165878809870533, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图15, caption=
10 A工况下的电弧特征波形, figureFileSmall=EajRWyLMk4gjqWRFaG/lrQ==, figureFileBig=tx4gZ+JTg/Out2v+TspEKA==, tableContent=null), ArticleFig(id=1320165878906339526, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.16, caption=
Comparative verification between simulation and experiment, figureFileSmall=PZBBASiX3+rUwb2SK4BIaw==, figureFileBig=re0YFKnGtBck5Z2BpFTNCQ==, tableContent=null), ArticleFig(id=1320165879019585735, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图16, caption=
仿真与试验对比验证, figureFileSmall=PZBBASiX3+rUwb2SK4BIaw==, figureFileBig=re0YFKnGtBck5Z2BpFTNCQ==, tableContent=null), ArticleFig(id=1320165879271243976, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.17, caption=
110 kV cable equivalent fire source power verification and heat release rate curve, figureFileSmall=RTD/+oJu1VAnQo+Tk7XG5A==, figureFileBig=9IW6mB8Ec8R8Jng+cSFlEQ==, tableContent=null), ArticleFig(id=1320165879741006025, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图17, caption=
110 kV电缆等效火源功率验证及热释放速率曲线, figureFileSmall=RTD/+oJu1VAnQo+Tk7XG5A==, figureFileBig=9IW6mB8Ec8R8Jng+cSFlEQ==, tableContent=null), ArticleFig(id=1320165880122687690, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Fig.18, caption=
Temperature curve of the outer sheath of the upper cable at the fault point, figureFileSmall=caFRygpTAj5u3Ih1+7MO2A==, figureFileBig=g49xq9p6aQanY0toLj3OVw==, tableContent=null), ArticleFig(id=1320165881557139659, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=CN, label=图18, caption=
故障点上层电缆外护套温度曲线, figureFileSmall=caFRygpTAj5u3Ih1+7MO2A==, figureFileBig=g49xq9p6aQanY0toLj3OVw==, tableContent=null), ArticleFig(id=1320165881641025740, tenantId=1146029695717560320, journalId=1306274063662022745, articleId=1320165863085424730, language=EN, label=Table 1, caption=
Fusing time of solder wires of different specifications under different current conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 焊锡丝规格/mm | 0.2 | 0.4 | 0.6 | 0.8 |
|---|
| 4 A熔断时间/s | 3 | 34 | 65 | >300 |
| 6 A熔断时间/s | - | 7 | 28 | >300 |
| 8 A熔断时间/s | - | - | - | 45 |
| 10 A熔断时间/s | - | - | - | 37 |
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各电流工况下不同规格焊锡丝熔断时间
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| 焊锡丝规格/mm | 0.2 | 0.4 | 0.6 | 0.8 |
|---|
| 4 A熔断时间/s | 3 | 34 | 65 | >300 |
| 6 A熔断时间/s | - | 7 | 28 | >300 |
| 8 A熔断时间/s | - | - | - | 45 |
| 10 A熔断时间/s | - | - | - | 37 |
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Maximum arcing distance under various current conditions
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| 电流/A | 4 | 6 | 8 | 10 |
|---|
| 间距长度/mm | 7.0 | 8.0 | 9.5 | 12.5 |
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不同电流工况下的最大燃弧间距
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| 电流/A | 4 | 6 | 8 | 10 |
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| 间距长度/mm | 7.0 | 8.0 | 9.5 | 12.5 |
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Cable quality loss under single arc
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| 电流/A | 4 | 6 | 8 | 10 |
|---|
| 烧蚀量/g | 1.3 | 2.2 | 1.8 | 2.0 |
| 质量损失 | 0.17% | 0.30% | 0.24% | 0.26% |
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单次燃弧下的电缆质量损失
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| 电流/A | 4 | 6 | 8 | 10 |
|---|
| 烧蚀量/g | 1.3 | 2.2 | 1.8 | 2.0 |
| 质量损失 | 0.17% | 0.30% | 0.24% | 0.26% |
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Electrode speed range under different current conditions
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| 电流/A | 4 | 6 | 8 | 10 |
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| 速度范围/mm/s | 0.04~0.19 | 0.11~0.73 | 0.46~1.28 | 0.61~1.55 |
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不同电流工况下的电极速度范围
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| 电流/A | 4 | 6 | 8 | 10 |
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| 速度范围/mm/s | 0.04~0.19 | 0.11~0.73 | 0.46~1.28 | 0.61~1.55 |
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Cable quality loss under multiple arc
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| 电流/A | 4 | 6 | 8 | 10 |
|---|
| 烧蚀量/g | 7.5 | 8.2 | 8.6 | 13.2 |
| 质量损失 | 1.00% | 1.05% | 1.15% | 1.73% |
| 炭化深度/mm | 3.2 | 4.0 | 4.8 | 5.0 |
| 炭化速率/mm/s | 0.027 | 0.033 | 0.040 | 0.042 |
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多次燃弧下的电缆质量损失
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| 电流/A | 4 | 6 | 8 | 10 |
|---|
| 烧蚀量/g | 7.5 | 8.2 | 8.6 | 13.2 |
| 质量损失 | 1.00% | 1.05% | 1.15% | 1.73% |
| 炭化深度/mm | 3.2 | 4.0 | 4.8 | 5.0 |
| 炭化速率/mm/s | 0.027 | 0.033 | 0.040 | 0.042 |
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Cable material parameters
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| 材料名称 | PVC | XLPE | 铜导体 |
|---|
| 比热容/kJ·(kg·K)-1 | 1.5 | 2.2 | 0.38 |
| 热导率/W·(m·K)-1 | 0.5 | 0.43 | 387 |
| 密度/kg/m3 | 1 500 | 920 | 8 940 |
| 110 kV各层厚度/mm | 5 | 16 | 19 |
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电缆各层材料参数
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| 材料名称 | PVC | XLPE | 铜导体 |
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| 比热容/kJ·(kg·K)-1 | 1.5 | 2.2 | 0.38 |
| 热导率/W·(m·K)-1 | 0.5 | 0.43 | 387 |
| 密度/kg/m3 | 1 500 | 920 | 8 940 |
| 110 kV各层厚度/mm | 5 | 16 | 19 |
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Arc power and initial equivalent fire source power
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| 电流/A | 4 | 6 | 8 | 10 |
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| 电弧功率/W | 440 | 535 | 669 | 907 |
| 初始火源功率/W | 176 | 214 | 268 | 363 |
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电弧功率及初始等效火源功率
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| 电流/A | 4 | 6 | 8 | 10 |
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| 电弧功率/W | 440 | 535 | 669 | 907 |
| 初始火源功率/W | 176 | 214 | 268 | 363 |
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110 kV cable arc heat conversion coefficient and equivalent fire source power
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| 电流/A | 4 | 6 | 8 | 10 |
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| 热转换系数 | 0.29 | 0.28 | 0.31 | 0.30 |
| 等效火源功率/W | 128 | 150 | 205 | 275 |
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110 kV电缆电弧热转换系数和等效火源功率
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| 电流/A | 4 | 6 | 8 | 10 |
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| 热转换系数 | 0.29 | 0.28 | 0.31 | 0.30 |
| 等效火源功率/W | 128 | 150 | 205 | 275 |
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