简介:摘要本文通过对哈尔滨第三发电厂二期220kV开关场各线路电测量数据的测量、计算,得出哈三B厂二期220kV开关场电量损耗的原因所在,通过分析电量损耗,有的放矢的进行设备改造,降低哈三B厂电量损耗之后提高企业经济型。
简介:AUniqueFault-TolerantDesignforFlyingCapacitorMultilevelInverters,Aircleanerbyusinghighvoltageelectrostatic,Alps'TactSwitch,ContactSheetFollowMiniaturizationTrend,Anefficientpedagogicalapproachforintegratingpowerelectronics,drivesandthePMDCmotorintothetraditionalenergyconversioncourse,AnimprovedDTCstrategyassociatedtoanewaveragedinvertermodelforelectricvehicleapplication,AnalyticalinvestigationofaninductionmotorfedfromB4inverterwithanewspace-vectormodulationstrategy,ApplicationofdigitalgaugingsystemforROPStest。
简介:2Axesopticalswitchwithholdingmechanism;ADirectAC/ACConverterBasedonCurrent-SomeConverterModules;Ahighpowervacuumrotary'ARCgapclosingswitchforpulsedpowerapplications;Amicro-controller-basedvoltagebalancerinaelectricaldistributionsystem;Amulti-agentapproachtooutageworkschedulingforelectricpowersystem;Amulti-agentapproachtopowersystemnormaloperation;
简介:[摘 要] 金属封闭箱式开关柜在变电站广泛应用,该开关柜的隔离开关和接地开关配置非电动操作机构,采用一轴0-2700旋转和盘式900旋转两种操作方式,带动断路器两侧隔离开关及接地开关动作,实现分、合闸操作,在分、合闸操作过程中,操作人员站立在开关柜的正面进行操作,如断路器故障易引起带负荷拉合隔离开关的I类误操作事件而引发设备爆炸造成人生伤害的安全事故。为解决这一难题,研制一套操作工具用于现场,操作人员站立在相邻开关柜操作,预防因设备故障的人身伤害的安全问题,降低现场作业安全风险。
简介:Criticalseparationanddielectricrecoveryofphasingvacuumswitcheswhensynchronizedbreakingshort-circuitcurrent,Experimentalanalysisofionparametersduringtheforcedvacuumarcinterruption,Investigationsoncontroltacticsphasingvacuumswitcheswhensynchronizedclosingcapacitorbanks,OverseadistributionautomationsystembasedonJapaneseexperience,Transientcurrentinterruptioncapabilityofvacuumswitchesduringcapacitanceswitching。