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1、哈尔滨理工大学学士学位论文真空断路器的机构及其特性摘要真空断路器以高真空作为灭弧和绝缘介质，其触头与灭弧系统简单，具有使用寿命长、检修间隔时间长、易于维护、适合频繁操作、体积小，质量轻等优点，已经在中低压领域有了广泛的应用。随着制造技术以及理论研究水平的不断提高，已经朝着高电压、大容量的方向发展。为了研制更高压等级的真空断路器，许多研究机构和学者已经开始在多个方面做了广泛的探讨和研究，包括寻找新的触头材料、开发新的灭弧技术、采用新的绝缘措施，以及使用新的制造工艺等等。本文对真空断路器做了详尽系统的介绍，包括：真空断路器的发展历史、现状及发展趋势；发展真空
2、断路器的重要性；真空断路器的结构、性能、用途、触头材料和绝缘特性等；真空断路器的操作机构，分为电磁、弹簧和永磁三种操纵机构。同时，细致的介绍了真空断路器真空度的检测方法。还根据真空断路器的应用电压等级，对多断口真空断路器的理论优势进行分析，也对多段口真空断路器的开段能力进行探讨。最后，对高压真空断路器的发展进行了展望。关键词真空断路器；真空灭弧室；绝缘-III-哈尔滨理工大学学士学位论文TheStructureandcharacteristicsofVacuumCircuitBeakerAbstractVacuumcircuitbreakerwithhi
3、ghvacuumasarcingandinsulatingmedium,anditscontactswitharcingsystemsimple,withlongservicelifeandwithmaintenanceintervaltimelong,easymaintenance,suitableforfrequentoperation,smallvolume,lightqualityetc,andhasbeeninlowvoltageareainawiderangeofapplications.Asmanufacturingtechnologyan
4、dtheoryresearchlevelsrising,hashighvoltage,largecapacitytowardsthedirectionofdevelopment.Inordertodevelopmorehighpressurelevelofvacuumcircuitbreaker,manyresearchinstitutesandscholarsstartedmorethaninthebroaddiscussionandresearch,includinglookingfornewcontactormaterial,thedevelopm
5、entofnewtechnology,thenewarcinginsulationmeasures,andtheuseofnewmanufacturingprocessandsoon.Inthiscontribution,thevacuumcircuitbreakerindetailthesystemisintroduced,including:thevacuumcircuitbreakerthedevelopmenthistory,presentsituationanddevelopmenttrend.Developmentoftheimportanc
6、eofvacuumcircuitbreaker;Vacuumbreakerstructure,performance,use,contactormaterialandinsulatingproperties,etc.;Theoperatingmechanismofvacuumcircuitbreaker,dividedintoelectromagnetic,springandpermanentmagnetthreekindsofoperation.Atthesametime,thedetailedintroducesthevacuumdegreeofva
7、cuumcircuitbreakertestmethods.Accordingtotheapplicationofvacuumcircuitbreakervoltagegradeoffractureofvacuumcircuitbreakeradvantage-III-哈尔滨理工大学学士学位论文theoryanalysis,butalsotomoreparagraphsmouthopensectionofvacuumcircuitbreakerabilityisdiscussedinthispaper.Finally,thehighvoltagevacu
8、umcircuitbreakerprospect.Keywords Vacuum
