发电厂主接线的初步设计水电站毕业设计名师资料合集（完整版）资料(可以直接使用，可编辑优秀版资料，欢迎下载）摘要本次毕业设计的主要任务是根据原始资料进行一个发电厂主接线的初步设计，并对其一次设备进行选择,进而对继电保护进行规划和对配电装置进行规划。设计主要内容包括：电气主接线设计、短路电流计算、主要电气设备选择、校验及配电装置初步设计和继电保护的规划等。主要的电气设备选择有：主变压器、高压厂用变压器、高压断路器、隔离开关、电流互感器、电压互感器、避雷器及母线等的选择。电气主接线是发电厂的主要环节，故本文对数个电气主接线方案进行了技术经济综合比较，确定了一个较佳方案，并根据此方案对全厂电气设备的选择、配电装置的布置、继电保护的规划等，进行了详细的设计和说明。本设计包括六部分：电气主接线选择，电气设备选择，短路电流计算，配电装置规划，继电保护规划及其整定。关键词：发电厂；主接线；短路电流；电气设备；配电装置；继电保护ABSTRACTThisgraduationprojecttopicissaccordingtothefirsthandinformationdesignsaelectricpowerplant,andmainlycarriesonthedesigntoitsequipment.Thendesignthepowerdistributionequipmentandrelayprotectionplanning.Designsthemaincontenttoinclude:Theelectricalhostwiringdesign,thewiringdesign,theshort-circuitcurrentcomputation,themainelectricalequipmentchoice,theverificationandthepowerdistributionequipmentpreliminarydesignandrelayprotectionplanningandsoon.Themainchoiceelectricalequipmentincludes:Themaintransformer,thehigh-pressuredfactoryusethetransformer,thehigh-pressuredcircuitbreaker,theisolator,thecurrenttransformer,thevoltagetransformer,thearresterandthegeneratrixandsoon.Mainelectricalschemeisthemainpartofsubstation,sothisthesissyntheticallycomparesseveralmainelectricalschemesfromtechnicalandeconomicaspectsandpicksuponepreferablescheme.Accordingtothechosenscheme,detaileddesignandinstructionarecarriedoutabouttheelectricapparatusselection,distributionequipmentarrangement,relayprotection,andsoforth.Thisthesisconsistofsixparts：mainelectricalschemeselect，mainchoiceelectricalequipment，short-circuitcurrentcalculation，distributionequipmentarrangement,relayprotectionandverificationontheselectionshortdot.Keywords:electricpowerplant;electricalmainwiring;short-circuitcurrent;electricalequipment;thepowerdistributionequipment;relayprotection目录TOC\o"1-2"\h\z\uHYPERLINK\l"_Toc327001641"1前言PAGEREF_Toc327001641\h1HYPERLINK\l"_Toc327001642"1.1设计要求PAGEREF_Toc327001642\h1HYPERLINK\l"_Toc327001643"1.2设计依据PAGEREF_Toc327001643\h1HYPERLINK\l"_Toc