上海电力学院本科毕业设计（论文）题目：某2×660MW火力发电厂电气部分设计院部：电气工程学院专业年级：学生姓名：学号：指导教师：年月日1【摘要】本文为某2×660MW发电厂的电气部分设计，完成了厂用电系统的设计，厂用变压器的型号为SFF9-50000/24，厂用电压等级为6KV；确定了电压等级不同的地方的接线，主变压器的型号FPZ-800000/500；通过短路校验确保了设备的安全性；选取并校验了合理的电气一次设备；确定了500KV选用屋外配电装置，6KV选用成套配电装置；进行了避雷针的配置和保护范围的计算，选取FCZ-550磁吹阀型避雷器；配置了合理的继电保护装置。关键词：发电厂、主接线、电气设备、短路电流、防雷保护2【Abstract】Thefora2*660MWpowerplantelectricalpartofthedesign,completedtheplantelectricalsystemdesign,planttypesoftransformersforSFF9-50000/24,factoryvoltagegradefor6kV;determinetheconnectionofdifferentvoltageainlevels,transformermmodelFPZ-800000/500;throughtheshort-circuitchecktoensurethattheequipmentsafety;selectandcheckthereasonableelectricalequipment;determinetheselectionof500kVOutdoorSwitchgear6kVselectionanddistributionofcompletesetsofequipment;calculatethelightningrodandthescopeofprotectionconfiguration,-550selectFCZmagneticblowoutvalvetypelightningarrester;reasonablerelayprotectiondeviceisconfigured.Keywords:powerplant,mainwiring,electricalequipment，Shortcircuitcurrent,lightningprotection3目录摘要---------------------------------------------------2Abstract-----------------------------------------------3第一章.前言--------------------------------------------6第二章.厂用电系统的设计--------------------------------72.1概述-----------------------------------------------72.2厂用负荷的统计-------------------------------------72.3厂用电电压等级-------------------------------------92.4厂用电的供电电源-----------------------------------102.5厂用变压器的选择-----------------------------------102.6厂用电接线-----------------------------------------112.7自启动校验------------------------------------------12第三章.电气主接线--------------------------------------143.1概述-----------------------------------------------143.2主接线的选择---------------------------------------143.3主变压器的确定-------------------------------------16第四章.短路电流计算-----------------------------------184.1短路计算