《真空有载开关》PPT课件.ppt

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1、TechnicalBackgroundofVacuumSwitchingTechnologyforOLTCs真空有载分接开关的技术背景Overviewofcontents简介Introductionofvacuumswitchingtechnology真空开关技术介绍Keydesignconception设计理念Basiccharacteristicsofvacuuminterrupters真空开关管的基本特性HighperformancesofvacuumOLTCs真空有载分接开关的优异性能Summaryofadvantages优势小结Perform

2、anceverification性能的验证Whynosignificantovervoltagecanbecaused!为什么不会引起过电压!18.04.20072MR/EVA/Dr.ShenInnovativeVacuumSwitchingTechnologyinOLTCs真空开关技术对有载分接开关的革新VacuumSwitchingtechnologyMRVacuuminterrupters真空开关技术=MR真空开关管ConventionaltechnologyTungsten-copperarcingcontactsinmineraltra

3、nsformeroil传统开关技术=油中灭弧的钨铜触头replacedby替代18.04.20073MR/EVA/Dr.ShenVacuumTechnologyinMRMR真空技术Over20yearsofexperiencewithvacuumtechnologyinOLTCs拥有20多年在有载分接开关中采用真空技术的经验Worldwidemorethan40,000vacuuminterruptersinMROLTCsinservice全球有4万多支真空开关管在MR有载分接开关中运行Vacuuminterruptersinstate-of-the-

4、artdesignandproductionspeciallyforOLTCapplications专为有载分接开关的应用而特制的真空开关管具有最新的设计和工艺Highreliabilitywithbestoperationrecords优异的运行业绩证明高可靠性Highlifespan:maintenance-freeforpowertransformersapplications超长的运行寿命实现在电力变压器中终身免维护Sharing75yearsMRexperiencewithOLTCmanufacturing分享MR75年生产有载分接开关的经验

5、18.04.20074MR/EVA/Dr.ShenPrinciplestructureofavacuuminterrupter真空开关管的原理结构18.04.20075MR/EVA/Dr.ShenKeyDesign-Conception真空开关管的设计理念intransformeroil适用变压器油othergiveninsulatingmedium适用其他绝缘介质operatingtemperaturerange适用变压器运行温度范围expectedlifespanoftheOLTC超过有载分接开关的寿命期望Contactlifespan超长触头寿命

6、Physicaldimension不增大外形尺寸Switchingperformance优异的开关性能Mechanicallifespan高机械寿命18.04.20076MR/EVA/Dr.ShenHighlightoftechnicalfeatures技术特征Thevacuuminterrupterisahermeticallysealedsystem真空开关管是一全封闭的系统Thearc(drop)voltageinvacuumisconsiderablylowerthaninoilorSF6真空中的电弧电压比油和SF6中低Eliminationo

7、ftheinsulatingmediumasthearcquenchingagent绝缘介质免去了灭弧重担Noagingofthequenchingmedium灭弧介质无老化现象Nointeraction/oxidationduringswitching开关中无交互或氧化Extraordinaryfastdielectricrecoveryofupto10kV/µs真空中超高速介电恢复达10kV/µs18.04.20077MR/EVA/Dr.Shen(1).Vacuuminterrupterisahermeticallysealedsystem真空开关

8、管是一全封闭的系统thereisnointeractionwiththesurrounding