水电站电气主接线设计.doc

Southwestuniversityofscienceandtechnology本科毕业设计(论文)学院:年级:专业:电气工程及其自动化姓名:学号:指导教师:某水电站电气主接线系统设计二〇一三年六月某水电站电气主接线系统设计摘要:该水电站以发电为主,兼顾拦沙、防洪等综合利用效益。,为小型水电站。小型水电站设计需要遵循国家相关设计标准,力求做到经济,安全,实用。本设计设计从原始资料入手,根据所给发电机装机容量与相关参数,剖析比较了电气主接线基本方式,确定35KV母线主接线方式,然后进行主变压器选择。通过短路电流计算结果,选择了最终电气设备,如断路器,隔离开关,电流互感器、电压互感器等,并进行了选型与校验,完成该水电站一次设备装置配置,最后论文对电站常用继电保护以及防雷保护做了基本阐述。关键字:小型水电站;电气主接线;变压器;电气设备;ThedesignofthemainelectricalsystemoftheHydropowerStationAbstract:Themainpurposeofpowerbalanceofthehydropowerstation,prehensiveutilizationbenefitofsediment,,forsmallhydropowerstation!Needtofollowthedesignstandard,economy,safetydesignofsmallhydropowerstation,utility!Thedesignbeginswithprimitivedata,accordingtotheinstalledcapacityofgenerators,choiceofthemainelectricalwiringbasicway,hemainwiringofmaintransformerselection,inthechoiceofmainwiringandmaintransformer,calculationofshortcircuitcurrent,aftershort-circuitcurrentcalculation,accordingtoshort-circuitcurrentcalculationtheresultsofthefinalselection,electricalequipment,suchascircuitbreaker,isolatingswitch,pleteanequipmentarea,andfinallytotwoprotectioncalculationoptions!AllselectedelectricalequipmenttoCAD,andmarkout!Throughthisdesigncanimprovethedesignofhydropowerstationmaster,toraiseawarenessandunderstandingeachpartofhydropowerstation,:Smallhydropowerstation;themainelectricalwiring;transformer;theelectricalequipment目录第一章概述 1前言 2第二章电气主接线设计 8第三章主变压器的选择 14第四章短路电流计算 22第五章电气设备的选择与效验 32第六章继电保护与防雷