配电系统毕业设计说明书.doc

本科毕业设计说明书 题 目： 供配电系统设计 院 （部）：信息与电气工程学院 专 业： 电气工程与自动化 班 级： 姓 名： 学 号： 指导教师： 完成日期： 目 录 摘 要····································································Ⅲ ABSTRACT·······························································Ⅳ 1 前 言 1.1 建筑电气概况···························································1 1.2 工程概况·······························································1 1.3 设计内容·······························································1 2 电气照明系统 2.1 设计原则·······························································3 2.1.1 光源和灯具的选择····················································3 2.1.2 灯具布置方案及开关类型·············································3 2.2 照度计算·······························································4 2.2.1九层的左下方制作室为例计算平均照度··································5 2.2.2九层内走廊为例计算平均照度··········································7 2.3插座选型与布置·························································9 2.4 应急照明设计··························································9 2.4.1应急照明分类·······················································9 2.4.2 应急照明灯具选择及布置············································10 2.4.3应急灯具供电方式···················································10 2.5 照明配电箱中电气设备的选择············································10 2.5.1 出线导线与断路器的选择以9AL为例说明······························11 2.5.2 进线截面和断路器的选择············································13 2.6应急配电箱电气元件的选择··············································14 2.6.1 应急照明配电箱负荷计算及导线、断路器的选择························14 2.6.2 卷帘门控制箱回路负荷计算及导线、断路器的选择······················14 2.6.3 应急照明配电箱总负荷计算及导线、断路器选型························14 2.6.4导线敷设方式·······················································15 3 动力配电系统 3.1负荷等级分类·························································16 3.2供电要求·····························································16 3.3 动力配电箱负荷确定及导线、电气元件的选择·····························16 3.3.1 AT-WY动力配电箱负荷计算及导线、断路器的选择·····················16 3.3.2