110KV变电所电气二次部分设计

xxxxx学院本科毕业设计（论文）摘要I摘要随着经济高速发展，我国电网规模不断扩大，110KV变电站数量的不断增加，并且成为保障国内电力安全、平稳输送的重要部分。为了保证电网安全、稳定运行，需要以信息化推动生产自动化和管理现代化，在110KV变电站的建设和运行管理中，对变电站综合自动化程度的要求增加，在此微机型继电保护装置具有重要的作用和意义，微机型继电保护装置能够及时对变电站出现的故障采取有效的处理方式。变电站的继电保护和二次回路设计是变电站设计的重要组成部分。本次毕业设计根据原始资料数据和一次部分提供的数据及供电系统图，对110KV变电站一次部分进行相应的继电保护设计和二次回路初步设计。内容主要包括主变压器的保护方案设计及整定计算，母线保护的配置与整定计算，断路器、隔离开关的控制及其操作回路设计，电压互感器、电流互感器的配置与接线设计，信号回路设计。关键词：继电保护装置，微机型，二次回路，互感器xxxx学院本科毕业设计（论文）AbstractIIAbstractAlongwiththerapideconomicdevelopment,Chinapowergridcontinuestoexpandthescaleof110KVsubstationrisingnumberof,andbecomethedomesticpowersecurityofsecurity,stabilityoftheimportantpartoftransport.Inordertoensuresecureandstableoperationofthegrid,needtopromoteproductioninformationautomationandmanagementmodernization,in110KVsubstationconstructionandoperationmanagementofsubstationintegratedautomationdegreeofdemandincreased,inthistypeofmicrocomputerrelayprotectiondeviceplaysanimportantroleandsignificance,themicrocomputerrelayprotectiondevicecantypeinsubstationfailurestoadopteffectivetreatment.Transformersubstationofrelayprotectionandthesecondcircuitdesignisanimportantpartofthesubstationdesign.Thegraduationdesignaccordingtotheoriginaldataandaparttoprovidethedataandpowersupplysystemdiagram110KVsubstationsisapartforthecorrespondingrelayprotectiondesignandthesecondarycircuitpreliminarydesign.Contentmainlyincludesthemaintransformerprotectionschemedesignandsettingcalculation,thebusprotectionconfigurationandsettingcalculation,circuitbreakers,isolatingswitchcontrolanditsoperatingcircuitdesign,voltagetransformer,currenttransformerconfigurationandwiringdesign,signalcircuitdesign.Keywords:relayprotectiondevice,themicrocomputertype,thesecondarycircuit,transformerxxxx学院本科毕业设计（论文）目录III目录1绪论..............................................................12主变压器微机保护设计.............................................22.1变压器保护的发展及现状.......................................22.2变压器的故障类型及保护配置...................................32.2.1变压器故障类型及其不正常运行状态.......................32.2.2变压器保护配置原则.....................................32.3变压器的保护的配置方案确定...................................42.4变压器主保护测控装置.........................................52.4.1RCS-9671变压器主保护的基本配置及规格...................52.4.2电流差动保护原理.......................................72.4.3RCS-9671变压器主保护的装置原理.........................72.4.4RCS-9671变压器主保护软件说明...........................82.4.5RCS-9671变压器主保护装置端子说明......................112.5变压器后备保护测控装置......................................122.5.1基本配置及规格........................................122.5.2保护测控装置原理说明..................................132.5.3RCS-9681后备保护测控装置软件说明......................142.5.4RCS-9682后备保护测控装置软件说明......................162.5.5保护测控装置端子说明..................................182.5.6主保护装置和后备保护装置配合分析......................182.5.7变压器过负荷闭锁有载调压..............................232.6变压器非电量保护装置........................................242.6.1RCS-9661保护基本配置及规格............................242.6.2RCS-9661装置工作原理..................................242.6.3RCS-9661装置硬件原理..................................252.6.4装置的运行说明........................................282.7主变压器保护的整定计算......................................292.7.1变压器主保护整定计算..................................292.7.2变压器后备保护整定计算................................313母线微机保护设计................................................343.1母线保护的重要性............................................343.2母线保护的装设原则..........................................343.3母线保护配置的选型和方案设计................................353.4RCS-915AB型母线保护硬件配置................................353.5RCS-915AB母线保护装置的原理说明............................383.6RCS-915AB装置对母线运行方式的识别与断线检查................423.7装置运行说明................................................443.8母线保护的整定计算..........................................454断路器、隔离开关的控制及操作回路设计...........................484.1断路器、隔离开关的配置原则与规范............................484.1.1断路器控制回路的设计原则..............................48xxxx学院本科毕业设计（论文）目录IV4.1.2隔离开关控制回路的设计原则............................484.2断路器、隔离开关的控制及操作回路设计........................494.2.1智能操作箱的选择......................................494.2.2PCS-222智能操作箱功能及特点..........................504.2.3PCS-222装置的硬件构成................................504.2.4显示说明..............................................544.3微机保护、测控与操作箱的联系................................565互感器的配置与接线设计..........................................575.1互感器的配置原则............................................575.1.1电流互感器的配置......................................575.1.2电压互感器的配置......................................575.2互感器的接线形式............................................585.2.1电流互感器的接线形式..................................585.2.2电压互感器的接线形式..................................595.3互感器与保护装置的接线......................................616中央信号系统设计................................................666.1中央信号的作用..............................................666.2中央信号回路基本要求及设备装置的选型........................666.2.1中央信号回路的基本要求................................666.2.2中央设备装置的选型....................................666.2.3装置的主要功能......................................