220KV变电站电气二次部分设计

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xxxx学院本科毕业设计(论文)摘要I摘要变电站保护配置方案设计和整定计算是变电站继电保护工作的重要内容,合理的方案设计和整定计算对保证变电站,乃至整个电力系统的安全稳定运行具有非常重要的作用。本论文根据220kV变电所一次侧的配置要求,进行变电站设备保护方案设计和整定计算工作。根据变电站的工程实际,对变电站主要设备(设备),包括变压器、母线等的保护特点和要求进行了分析,结合所采用的许继设备保护的功能特点,提出了一套完整的设备保护设计方案。论文阐述了保护方案的设计原则和保护功能配置情况。设备保护的整定计算与所采用的保护原理密切相关,论文针对所选用保护装置的构成特点,对其保护原理和整定方法进行了研究分析,以充分发挥保护装置的总体性能。论文介绍了设备保护的基本原理,并对其整定计算方法进行了论述。根据所提出的变电站设备保护的设计方案以及保护整定计算的基本原则和方法,论文阐述了整定计算的基本过程和主要结果,完成了变电站设备保护的整定计算,并经校验合格。论文的最后对本课题的研究工作与研究成果进行了总结。关键词:变电站,保护设计,保护整定计算,变压器保护,母线保护xxxx学院本科毕业设计(论文)ABSTRACTIIABSTRACTResearchofconfigurationdesignandsettingcalculationforsubstationelementprotectionisaveryimportantpartofsubstationrelayprotection.Areasonableconfigurationdesignandsettingcalculationplaysaveryimportantroleinasubstationandeventhewholepowersystem.Elementprotectioninvolvingmanydevice-levelsettingvalues,whichisdifferentfromlineprotection.Andthesettingvaluesisdirectlyrelatedtotheprotectionprinciplesandtechnologies.Thepaperstartsconfigurationdesignandsettingcalculationforsubstationelementprotectionbasesontheapplicationrequirementofasubstation.Atfirst,thepaperbeginswithaoverviewandaanalysisontheresearchandpresentsituationanddevelopmentofthesubstationelementprotection,onthisbasis,thepaperstartaresearchontheprotectionofsubstationelement,includingtransformerandbus-barandsoon.Andthenproposedacompleteconfigurationdesignofelementprotectioncombinedwiththecharacteristicsoftheforeigngeneralelementprotection.Andthepaperalsodescribesthedesignprincipleoftheprotectionschemeandtheconfigurationsituationoftheprotectionfunctions.Basedonthedesignschemeandbasicprincipleandmethodofprotectionsettingcalculationofthesubstationelementprotection,thepaperdiscussesthebasicprocessandtheprimaryresultsofthesettingcalculation,andthencompletesthesettingcalculationoftheforeignsubstation.Nowthesettingshavebeenusedinthesubstationandhaveobtainedagoodresult.Thelastpartofthepapermakesasummarytotheresearchworkandachievementoftheproject.Keywords:ElementProtection,ProtectionDesign,ProtectionSettingCalculation,TransformerProtection,Bus-barProtectionxxxx学院本科毕业设计(论文)目录目录摘要...................................................................................................................................................IABSTRACT..........................................................................................................................................II1绪论.............................................................................................................................................11.1概述..................................................................................................................................11.2变压器保护的研究现状和发展.......................................................................................11.3母线保护的研究现状和发展...........................................................................................22变压器微机保护设计.................................................................................................................42.1变电站一次部分设计基本数据.......................................................................................42.2变压器故障类型及相应保护...........................................................................................62.3主变压器保护配置方案与选型.......................................................................................72.3.1主变压器保护配置方案.........................................................................................72.3.2主变压器保护配置选型.........................................................................................82.4主变压器主保护..............................................................................................................92.4.1电流差动保护原理.................................................................................................92.4.2装置原理...............................................................................................................102.4.3主变压器各主保护动作关系...............................................................................162.4.4主变压器后备保护...............................................................................................162.4.5装置原理...............................................................................................................162.5主变压器非电气量保护.................................................................................................202.6电气量保护装置硬件介绍及接线.................................................................................212.6.1装置介绍...............................................................................................................212.6.2装置背视示意图...................................................................................................222.6.3与综合自动化监控系统接口说明.......................................................................232.7非电气量保护装置硬件介绍及接线.............................................................................252.7.1装置介绍...............................................................................................................252.7.2装置背视示意图...............................................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