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额定电压0.6/1kV聚氯乙烯绝缘电力电缆PVCinsulatedpowercableswithratedvoltages0.6/1kV一、产品用途Productsapplication本产品适用于配电网、工业装置等领域，用于固定敷设在交流50Hz、额定电压0.6/1kV的电力输配电线路上，主要功能是输送电能。本产品为通常条件下使用的产品，不适用一些特殊条件的场合，如架空、水下、船用、海底、核电站等。阻燃聚氯乙烯绝缘电缆适用于具有阻燃要求的场合。耐火聚氯乙烯绝缘电缆适用于地下铁道、地下商场、大型购物中心、高层建筑等人口稠密、通风受限的场合。Thisproductisapplicabletobeingfixedlylaidonthetransmissionanddistributionlineofalternativecurrentrating50Hzandratedvoltageupto0.6/1.0Kvwiththeuseforpowertransmission,whichisappliedtotherangeofdistributionnetwork,industrialequipments,etc.Thisproductisthenomalusedcable,notsuitableforsomespecialplaces,suchasunderwater,ship,nuclearstation,etc.二、产品主要技术特点Techniquefeatures本产品电缆除具有可靠的电气性能外，还具有较强的防止化学腐蚀性，耐酸、碱和有机溶剂，电缆不受敷设落差的限制，可在任何落差甚至垂直的场合敷设。Theproducthasgoodperformanceonelectricalcharacteristic,chemicalresistance,suchasacidresistance,alkaliresistanceandorganicsolventresistance.Theproductcanbelaidonanyheaddropconditionevenverticallyinanyplace,thatistosay,thecablecanbelaidwithoutlimitonheaddrop.三、产品执行标准Standards7GB/T12706.1-2002额定电压1kV(Um=1.2kV)到35kV(Um=40.5kV)挤包绝缘电力电缆及附件第1部分：额定电压1kV(Um=1.2kV)和3kV(Um=3.6kV)电缆Powercableswithextrudedinsulationandtheirforratedvoltagesfrom1kV(Um=1.2kV)upto35kV(Um=40.5kV)Part1:Cablesforratedvoltagesof1kV(Um=1.2kV)and3kV（Um=3.6kV）IEC60502-1:1997额定电压1kV(Um=1.2kV)到30kV(Um=36kV)挤包绝缘电力电缆及附件第2部分：额定电压1kV(Um=1.2kV)和3kV(Um=3.6kV)电缆Powercableswithextrudedinsulationandtheirforratedvoltagesfrom1kV(Um=1.2kV)upto35kV(Um=40.5kV)Part1:Cablesforratedvoltagesof1kV(Um=1.2kV)and3kV（Um=3.6kV）Q/12BJ4973-2002额定电压0.6/1kV五芯塑料绝缘电力电缆Q/12BJ4973-2002Fivecoresextrudedplasticinsulatedpowercableswithratedvoltages0.6/1kVGB/T3956-1997电缆的导体GB/T3956-1997ConductorofCablesGB/T19666-2005阻燃耐火电线电缆通则GB/T19666-2005GeneralRulesofflame-retardingandfireproofcables四、使用特性Operatingcharacteristics1、额定电压RatedVoltage电缆额定电压U0/U(Um)为：0.6/1(1.2)kVRatedVoltageofcableU0/U(Um)：0.6/1(1.2)kV其中：Notes：U0：电缆设计用的导体对地或金属屏蔽之间的额定工频电压；RatedA.C.Voltagebetweenconductorandground/metalscreen;U：电缆设计用的导体间的额定工频电压；RatedA.C.VoltagebetweenconductorsUm：设备可承受的“最高系统电压“的最大值。Themaximumsystemvoltagewhichtheequipmentscanbebeared电缆的额定电压应适合电缆所在系统的运行条件。为了便于选择电缆，将系统划分为下列三类：Theratedvoltageofcableshallbeapplicabletosystemoperationconditionwherethecablelainin.Accordingtocableselecting,thesystemwillbedescribedas3typesasfollow:——A类：任一相导体与地或接地导体接触时，能在1min内与系统隔离。SystemcategoryA—Whenanyphaseofcableconductoriscontactingwithearthconductor,thecablewillbeisolatedwiththesystem.——B类：可在单相接地故障时作短时运行，但任何情况下不宜超过8h，每年接地故障总持续时间不宜超过125h。SystemcategoryB─Thesystemisallowedtorunfor8hours,whenthesingle-phaseearthfaultisexisting.Andthetotalearth-faulttimeof1yearwon'tbeabove125hours.——C类：包括不属于A类和B类的系统。SystemcategoryC─TheyareincludingallsystemsbesidesAandB.注：在系统接地故障不能立即自动解除时，故障期间加在电缆绝缘上过高的电场强度，会在一定程度上缩短电缆寿命。如系统预期会经常地运行在持久的接地故障状态下，该系统应划为C类。Whenthesystemearthfaultcan'tberemovedautomatically,thelifeofcablewillbeshortenedinsomedegreebecauseoftheover-highelectricstessbearedbycableinsulation.用于三项系统的电缆，U0的推荐值见表1。TherecommendedfigureofU0seethetable1,whicharesuitalbeforthethreesystems.表1额定电压U0推荐值Table1TherecommendedfigureofU0系统最高电压Um/kVThemaximumsystemvoltageUm/kV额定电压/kVRatedVoltage/kVA类、B类SystemcategoriesAandBC类SystemscategoriesC1.20.61.22、导体额定工作温度Theratedtemperatureofconductor电缆导体的最高额定工作温度为70℃。Themaximumassignedtemperatureofthecableconductoris70℃。短路时（最长持续时间不超过5s）电缆导体的最高温度不超过160℃。Duringhavingashortcircuit,lastinglessthan5seconds,themaximumtemperatureofthecableconductorshallnotbeabove160℃.3、敷设环境温度Ambienttemperatureforlaying电缆敷设时的环境温度应不低于0℃，否则需要事先预热。Theambienttemperatureforlayingshallbeabove0℃,ifnotthecableneedbepreheated.4、安装弯曲半径Thebendradius安装时电缆最小弯曲半径见表2。Theminimunbendradiusofthecableseethetable2表2电缆安装时最小弯曲半径Table2Theminimunbendradiusofthecable项目Item单芯电缆Single-core三芯电缆Three-core无铠装Unarmored有铠装Armored无铠装Unarmored有铠装Armored安装时的电缆最小弯曲半径Minimunbendradiusofthecableincourseofinstallation20D15D15D12D靠近连接盒和终端的电缆的最小弯曲半径Theminimunbendradiusofthecableclosetothejunctionboxandterminal15D12D12D10D注：D为电缆外径（mm）。Note:Disouterdiameterofthecable5、敷设方式电缆没有敷设落差限制。Thereisnolimitofheaddropduringthecablelaying.电缆允许敷设在室内、室外、空气中和土壤中，允许局部有积水。Thecablemaybelaidinindoor,outdoor,airandsoil.Thecablemaybeimmersedinwaterlocally.电缆敷设方式可以是隧道、管道、电缆沟、桥架、排管，铠装电缆允许直埋地下，钢丝铠装电缆允许垂直敷设。Thecablemaybelaidintunnel,pipe,trench,conduitandoncablebridge.Theamouredcablecanbelaidundergroud,andthewire-amouredcablecanbelaidvertically.单芯电缆不允许敷设在磁性金属管内。Thesinglecorecablemustn'tbelaidinthemagneticmetalpipes.电缆敷设环境应有良好的散热条件。Theenviromentofcablelayingshallbeingoodheatdissipationcondition.6、电缆敷设时导体最大允许牵引力和电缆最大允许侧压力Themaxiumallowedhaul-offforceandlateralpressureofcable导体最大允许牵引力计算方法：hecalculatingmethodofthemaxiumallowedhaul-offforce——铜导体：F=70×S（N/mm2）。——铝导体：F=40×S（N/mm2）。侧压力计算方法：P=F÷R（N/m），最大允许侧压力不超过3000N/m。式中：F－牵引力，N；lateralpressureS－导体截面，mm2；conductorsectionP－侧压力，N/m；lateralpressureR－电缆弯曲半径，m；Bendradius7、电缆运输和保管要求Therequirementsontransportationandstorage:电缆盘不允许平放。Thecablereelsshallnotbedeliveredandstoredinflatstate运输中严禁从高处扔下装有电缆的电缆盘，严禁机械损伤电缆。Itisstrictlyforbiddentopushthecablereelfromthehighlevelinorde