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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。本论文根据首山矿35KV变电站工程项目的应用要求，重点开展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，结合所采用的南瑞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-barProtection目录III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.....................................42.3主变压器保护配置方案与选型...................................52.3.1变压器保护配置方案......................................52.3.2主保护配置选型.........................................62.4变压器主保护.................................................62.4.1基本配置及规格.........................................62.4.2电流差动保护原理........................................72.4.3装置原理...............................................82.4.4保护总体流程............................................92.4.5跳闸逻辑矩阵..........................................122.5后备保护配置方案设计........................................132.6非电气量保护配置方案设计....................................132.7变压器比率制动差动保护的整定计算............................172.7.1主保护整定计算.........................................172.7.2变压器后备保护的整定计算...............................183母线微机保护设计..................................................193.1母线保护的配置原则与规范....................................193.2母线保护配置方案设计与选型..................................193.3母线保护....................................................203.3.1保护配置..............................................203.3.2母线差动保护原理说明..................................243.3.3母线运行方式识别.....................................263.3.4系统参数定值...........................................293.410kV母线比率差动保护的整定计算............................30目录IV4断路器、隔离开关的控制及操作回路设计............................324.1断路器、隔离开关的配置原则与规范............................324.1.1断路器控制回路设计原则.................................324.1.2隔离开关控制回路设计原则...............................324.1.3智能操作箱选型.......................................334.2控制及操作回路设计..........................................334.2.1PCS-222C智能操作箱功能配置..........................334.2.2各插件简要说明.........................................344.2.3指示灯说明.............................................385互感器的接线设计.................................................415.1常规互感器与电子式互感器比较................................415.2互感器配置选型..............................................415.3远端模块和合并单元..........................................425.4传输规约、通道和同步方式的选择..............................435.5PCS-9250-LAC型电子式电流互感器.............................445.5.1装置概况.............................................445.5.2LPCT工作原理.........................................455.5.3设备现场布置...........................................455.5.4电子式互感器与就地采集模块.............................465.6电子式电压互感器............................................475.6.1应用范围...............................................476信号回路和微机保护组屏方案设计...................................506.1变电站信号回路设计..