精品文档---下载后可任意编辑本科毕业设计(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:指导老师:年月日【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【Abstract】The for a 2 * 660MW power plant electrical part of the design, completed the plant electrical system design, plant types of transformers for SFF9-50000/24, factory voltage grade for 6kV; determine the connection of different voltage levels, main transformer model FPZ-800000/500; through the short-circuit check to ensure that the equipment safety; select and check the reasonable electrical equipment; determine the selection of 500kV Outdoor Switchgear 6kV selection and distribution of complete sets of equipment; calculate the lightning rod and the scope of protection configuration, select FCZ-550 magnetic blowout valve type lightning arrester; reasonable relay protection device is configured.Key words: power plant, main wiring, electrical equipment,Short circuit current, lightning protection目录摘要---------------------------------------------------2Abstract-----------------------------------------------3第一章.前言--------------------------------------------6第二--------------------------------72.1 概述-----------------------------------------------72.2 厂用负荷的统计-------------------------------------72.3 厂用电电压等级-------------------------------------9精品文档---下载后可任意编辑2.4 厂用电的供电电源-----------------------------------102....