品牌:如高 | 是否进口:否 | 产地:陕西 |
型号:LW8-40.5KV/1250A | 极数:3P | 额定频率:50HzHz |
额定绝缘电压:35VV | 产品认证:ISO9001 | 物料编号:RG2021053 |
最小包装数:1 | 产品特性:*** | 加工定制:是 |
灭弧方式:六氟化硫断路器 | 机械寿命:20000万次 |
产品简介
□LW8-40.5户外交流高压六氟化硫断路器是三相交流50Hz的户外高压电器,以SF6气体作为灭弧和绝缘介质,采用压气式灭弧结构,开断能力特强,可***用于额定电压40.5kV的电力系统中,作为变电站,发电厂开合额定电流、短路电流、并可作联络断路器及切合电容器组用。内附电流互感器供测量与保护用,是油断路器的理想更新换代产品
□TheLW8-40.5ACHVSF6breakerisakindof3phaseAC50Hzoutdoortypebreakers.ThegasoftheSF6isemployedasthearc-extinguishingmediumandthedielectricmaterial.Itusesthestructureofpneumaticarc.extinguishingchamber,nnectthebreaker
andcutthecurrentincapacitorbanksThecurrenttransformersinsideareusedformeasuringandprotectingthebreaker.TheLW8-40.5breakeristheregeneratetypeofoiltypebreaker.
结构特点
□断路器为户外小型落地罐式结构,配用CT14弹簧操动机构;机构与本体连体安装,安装简单,调试方便,动作可靠,适用于频繁操作;机构寿命次数3000次以上;
□采用压气式灭弧结构,开断能力特强,40kA累计开断达12次,创国内之***;
□密封***。采用进口密封胶垫,动密封采用“V”型密封圈带弹簧压力补偿结构,互感器二次接线板由合资企业配套,确保年漏气率<05%;
□内附电流互感器采用微晶合金高导磁性能的材料,准确级次可达0.2级或0.2s级,根据用户需要,可内附12只互感器。切合空载长线50公里无重燃。
Thebreakerhasthecharacteristicsofsmall,outdoortypeandwiththeconsolepotstructure.ItcanmatchwithCT14springoperationmechanism.Thespring
operationmechanismassociateswiththemainbody,sotheinstallationanddebuggingareconvenient.Alsoitcanbeoperatedfrequentlyandthemechanical
lifeisnotlessthan3000times.
□Thebreakerusespneumaticarc-extinguishingchamber,sothebreakingperformanceisexcellent.The40kAaccumulativebreakingtimescanreachto12.
□Thesealperformanceisreliable.Thebreakerusesimportedsealedrubberinsert.ThedynamicsealusesstructureofVshapegrommetwithspringpressure.
ThesecondaryterminalblockisofferedbythemanufacturerasasetwiththebreakertomakesurethattheannualleakrateofSF6<0.5%.
□Theironcoreoftheinnercurrenttransformerismadeofmaterialswiththeperformanceofcrystallite(alloy)highconductionmagnetic.Sotheaccuracyclasscan
reachupto0.2or0.2S.12piecesofcurrenttransformerscanbeusedinsideastheclients&#39;requirement.Anditwillnotre-burnwhenswitchzeroloadfor50kms
订货须知
□断路器型号、规格;
□额定电气参数(电压、电流、开断电流等);
□使用环境条件(环境温度、海拔高度、环境污秽等级);
□操动机构操作电压及电机电压;
□内附或外附电流互感器的数量、电流比、级次组合、二次负载;
□备品备件及***工具、设备的名称与数量(需另行订货)。
□Thetypeandthespecificationofthecircuitbreaker.
□Ratedelectricparameter(voltage,current,ratedshort-circuitbreakingcurrentandsoon).
□Environmentalcondition(temperature,altitude,filthlevelandsoon).
□Operatingvoltageandmotorvoltageofoperationmechanism.
□Quantity,currentratio,classcombination,secondaryloadofinneroroutercurrenttransformer.
□Nameandquantityoftheaccessoriesandtoolsifrequired.(dealseparatedwithbreaker)