MVnex 10KV开关柜技术规范

筑龙网:Yourref./Votreref.:10kVMnvextechnicalspecificationDate/Date:05-1-24sc1/1MVnex开关柜技术规范(配装EVolis断路器)TechnicalspecificationforMvnexswitchboard(withEvolisCircuitBreaker)1概述GeneralintroductionMVnex设备用于户内安装,由下列主要部分组成:TheMvnexswitchboardisindoorinstalled10kVswitchboardwithMERLINGERINbrand,integratedbythefollowingcomponents:„金属铠装型柜体Mentelcladcubicle„可抽出式EVolis真空断路器WithdrawabletypeEvolisvaccumcircuitbreaker„电流/电压互感器,接地开关等元器件PT/CT,earthingswitchect.2设备清单SwitchboardlistSwitchboard开关柜Typeoffunctionalunit功能单元Qty数量Rating额定电流进出线柜(IF柜型)Incomingcubicle母线分段柜(C柜型)Busbarcouplinglinkcubicle母线升高柜(R柜型)BusrisercubicleVT柜(VT柜型)VTcubicle所用变柜(AT柜型)AuxilarytransformercubicleTotal合计3适用标准Standards本开关设备根据下列IEC标准，中国GB及DL标准设计,制造和试验:Theswitchboardisdesigned,manufacturedandtestedaccordingthefollowingstandards:„高压开关柜通用条款筑龙网:Yourref./Votreref.:10kVMnvextechnicalspecificationDate/Date:05-1-24sc2/2Commonspecificationsforhigh-voltageswitchgearandcontrolgearstandardsIEC694,GB11022,DL593„金属封闭高压开关柜A.C.metal-enclosedswitchgearforratedvoltagesof3-35kVIEC298,GB3906,DL404„高压交流断路器Alternatingcurrenthigh-voltagecircuitbreakerIEC56,GB1984,DL4024技术性能Technicalcharacteristic4.1正常使用条件Nominalserviceconditions正常使用条件Normonalserviceconditions正常运行条件Nominalservicecontidion户内型设备Indoorinstalledequipment环境温度Averagedailyambienttemperature-5oC~+40oC海拔高度Altitude=1000m相对湿度Humidity-日平均-Dailyaverage=95%-月平均-Monthlyaverage=90%4.2电气特性Electriccharacteristic开关柜Switchboard工作/额定电压Service/ratedvoltageKV10/12绝缘水平Insulatinglevel筑龙网:Yourref./Votreref.:10kVMnvextechnicalspecificationDate/Date:05-1-24sc3/3-工频耐压（相对地及相间/隔离断口间）-Ratedshort-durationpower-frequencywithstandvoltage(phase-phase,phaseearth/acrossisolatingdistance)KVrms42/48-冲击耐压（相对地及相间/隔离断口间）-Ratedlightingimpulsewithstandvoltage(phase-phase,phaseearth/acrossisolatingdistance)KVpeak75/85额定频率RatedfrequencyHz50短时耐受电流（4秒）Ratedshort-durationwithstandcurrent(4sec)KA25-31.5-40峰值耐受电流RatedimpulsewithstandcurrentKApeak63-80-100母排额定电流RatedcurrentforBusbarA630-1250-2500-3150断路器型号CircuitbreakerEVolis额定开断电流RatedbreakingcurrentKArms25-31.5-40短时耐受电流（4秒）Ratedshort-durationwithstandcurrent(4sec)KA25-31.5-40峰值耐受电流RatedimpulsewithstandcurrentKApeak63-80-1004.3二次辅助电源Auxiliaryvoltage部件Components二次辅助电压Auxiliaryvoltage断路器储能马达Chargingmotor48/110/220Vdc/ac断路器分闸线圈Openingcoils48/110/220Vdc/ac断路器合闸线圈Closingcoils48/110/220Vdc/ac加热器Heater220Vac筑龙网:Yourref./Votreref.:10kVMnvextechnicalspecificationDate/Date:05-1-24sc4/44.4外形尺寸及重量Overalldimensionandweight1250A2500A3150A宽(mm)Width(mm)8009001000高(mm)High(mm)230023002300深(mm)*Deep(mm)159515951595开关柜总重量(kg)SwitchboardWeight(kg)475525550断路器重量(kg)CBweight(kg)100125125*注：此为标准深度，若有后附柜配置则另计。Note:forstandardoption,notincludeadditionalcompartment.4.5性能参数Parameter4.5.1型式：金属铠装式开关柜，中置移开式断路器，断路器手车具有良好的互换性。Type:Mentalcladeswitchboard,middlemountedwithdrawabletypeCB,easilyexchangeoftheCBtruck.4.5.2防护等级：柜体IP3X,隔室间IP2XIPdegree:ForthecubicleisIP3X,betweencomparmentinsidecubicleisIP2X.4.5.3柜体温升：运行人员易触及部位≤30K,可触及但操作时无需触及部位≤40K，运行人员不易触及个别部位≤65K。Temperaturerise:≤30Kforthepartseasilytouchedbytheoperator,≤40Kforthepartscanbetouchedbutnotnecessaryduringoperating,≤65Kforthepartscan’tbetouchedbytheoperator4.5.4开关柜内裸导体相间及相对地空气净距≥125mm。≥125mmclearancedistancebetweenbareconductorphasetophaseandphasetoearthinsidecubicle.4.5.5开关柜的绝缘件最小爬电距离为240mm。Theminimumcreepageofalltheinsulatingcomponentsinsidecubicleis240mm.4.5.6电缆室的底板采用开孔的钢板，并有橡胶护套防护。每相最多可连接接3根240mm2的三芯电缆或3根630mm2的单芯电缆。电缆接线端距地高度为650mm。Thebaseplateofthecablecompartmentuseassteelandhavethecableenterslotandinsulatingsleeve.Eachphasecanbeconnectedwith3x240mm2tri-corecableor3x630mm2single-corecableinmaximum.Thedetancebetweencableconnectionterminalandgroundis650mm.4.5.7接地母排截面分别为400mm2(31.5kA柜)和200mm2(25kA柜)。筑龙网:Yourref./Votreref.:10kVMnvextechnicalspecificationDate/Date:05-1-24sc5/5Thecrosssectionofearthingbasbaris:400mm2(for31.5kAcubicle)and200mm2(for25kAcubicle)4.6联锁InterlockMVnex开关柜提供下列标准机械联锁：ThestandardinterlockofMvnexswitchboardare:4.6.1通过位置选择开关保证断路器手车无法强行推入和抽出。Bymeansoftheselectortopreventillegalrackingin/outCB.4.6.2断路器手车在运行位时，禁止接地开关关合。反之，接地开关处于闭合位置时，断路器手车禁止推入至运行位。Theearthingswitchcan’tbeclosedduringCBonserviceposition.AndtheCBcan’tberackinginwhentheearthingswitchisclosedaslo.4.6.3断路器手车在推入及抽出行程中，禁止断路器合闸及关合接地开关。（如断路器已合闸则自动分断。）DuringtheCBtruckisrackingin/out,preventtocloseCBandearthingswitch.(automaticlyopentheCBifitisclosedbeforeracking)4.6.4断路器转移小车未到位时，防止抽出断路器手车。Preventtodraw-outCBfromcubicleifthetransmittableisnotontheposition.4.6.5断路器低压插头未插好时，禁止推入断路器手车。断路器手车在运行位时，禁止拔下断路器低压插头。PreventtorackinginCBiftheLV-plugisnotwellconnected.PreventtodisconnecteLVplugwhentheCBisonserviceposition.4.6.6接地开关闭合后，才能打开电缆室前后门。OnlytheearthingswitchisclosedThefrontandreardoorofcablecompartmentcanbeopenedaftertheearthingswitchisclosedonly.超出本范围的联锁，电气联锁及柜间联锁需依具体工程要求而定。Theinterlockwhichisnotdescripedasaboveshouldbespecialdesignedaccordingtheprojectrequir