节能技术与应用55NO.052023节能ENERGYCONSERVATION海上油气田开发工程电缆选型设计王维高孙亚东安晓龙王家乐（海洋石油工程股份有限公司，天津300450）摘要：随着海上油气田数量日益增加，海上油气田规模不断扩大，电缆工程用量与日俱增。为了确保电缆安全可靠运行，结合海上油气田开发工程实际，从电缆规格选型、电缆截面积选择、电缆电压降计算共3个方面进行电缆选型设计，进一步规范和完善设计思路。针对电缆规格选型，着重讨论工程中常见的电缆结构及类型；针对电缆截面积选择，概括推导设备额定电流和电缆载流量的计算方法；针对电缆电压降计算，理论分析线路电压降超过允许值时应采取的措施。关键词：海上油气田开发工程；电缆选型设计；电缆规格；电缆截面积；电缆电压降中图分类号：TM246文献标识码：A文章编号：1004-7948（2023）05-0055-03doi：10.3969/j.issn.1004-7948.2023.05.014DesignofcableselectionforoffshoreoilandgasfielddevelopmentprojectWANGWei-gaoSUNYa-dongANXiao-longWANGJia-leAbstract：Withtheincreasingnumberofoffshoreoilandgasfields,thescaleofoffshoreoilandgasfieldscontinuestoexpand,andtheamountofcableengineeringisincreasingdaybyday.Inordertoensurethesafeandreliableoperationofcables,basedontheactualsituationofoffshoreoilandgasfielddevelopmentproject,cableselectiondesigniscarriedoutfromthreeaspects:cablespecificationselection,cablecross-sectionalareaselectionandcablevoltagedropcalculation,furtherstandardizingandimprovingthedesignideas.Regardingtheselectionofcablespecifications,thecommoncablestructuresandtypesinengineeringweremainlydiscussed.Basedontheselectionofcablecross-sectionalarea,thecalculationmethodsforequipmentratedcurrentandcablecurrentcarryingcapacityweresummarizedandderived.Forthecalculationofcablevoltagedrop,themeasuresthatshouldbetakenwhenthelinevoltagedropexceedstheallowablevalueweretheoreticallyanalyzed.Keywords:offshoreoilandgasfielddevelopmentproject;cableselectiondesign;cablespecification;cablecross-sectionalarea;cablevoltagedrop引言近年来，我国逐渐加大海上油气田勘探开发力度，海上油气田数量日益增加。开采一个完整的海上油气田需建造若干个海上结构物，如固定平台或浮式生产储卸油装置(FPSO)。电缆...
