海底复合电缆的故障定位及修复

顾伟伟1，张华1，葛扬志1，黄铁军1，孙建生2，李春刚21．2000302．200093东海某平台海底复合电缆发生故障，无法实施供电。介绍了复合海缆故障点确认和单接头修复方案。修复方案的实施取得了良好效果，缩短了海上施工时间，节约了施工费用。海底复合电缆修复;密封件抽拉;电缆接头盒连接TM247．1TN818A1672-6901201304-0038-03TheRecoveryandBreakdown-PointLocationofSubseaPowerandCommunicationCompositeCableGUWei-wei1ZHANGHua1GEYang-zhi1HUANGTie-jun1SUNJian-sheng2LIChun-gang21．CNOOCChinaCo．Ltd．ShanghaiBranchShanghai200030China2．ShanghaiElectricCableResearchInstituteShanghai200093ChinaAbstractAsubseacompositecableinEastSeawasbreakdownandpowercannotbesupplied．Thispaperde-scribesthediscoveryofthebreakdownpointandarepairschemewithajoint．Therecoveryhasgotanexcellentre-sultshortenedtheoffshoreexecutiontimesavedthecost．Keywordsthesubseacompositecableredemptionthesealcomponentpulloutthecablejoin-boxconnection2013-01-111982－．5832717200030．0/。20115。。。。11.112.7/22kV18350mm2XLPE19.45km。1。20051117.033km18.561km。1.21.2.1绝缘测试2500V1。1/MΩ·km20051120096201152.1×105500254.3×10550004.0×105500251.2.2故障点测试17.032km1。2.38km2。1.3。、20134No．42013ElectricWire＆Cable20138Aug．20131SCC-YJA4112.7/22kV3×50+18SM1－2－3－XLPE4－HDPE5－6－7－8－9－10－11－12－13－PP14－15－PP12。17.03217.07km。110mL=6×10×T×槡HLmTdHm。1.9km3.8km。。22.1。JB013。。32。22.52334、“”。2.2“”。JB012.38mJB0134.4km。6km。33.14。110m·93·20134No．42013ElectricWire＆Cable20138Aug．2013。410t5m。ROV5。5。1dDP。。120m。1t20min。3.2300kg。JB02。20h。。ROV6。6JB013h6h。3.3。60%1234。。105MΩ。41。。2。。3。JB01。4。JB011km4。5。·04·20134No．42013ElectricWire＆Cable20138Aug．2013