电气自动化专业毕业论文---小区建筑电气设计精选.doc

电气自动化专业毕业论文---小区建筑电气设计 设计总说明 本次毕业设计题目是小区建筑电气设计本工程为地上20层地下一层其中一层为商铺二到四层为办公楼五到二十层为住宅楼工程用电有一级负荷和三级负荷供电电源引自小区变电站电源电压为380V220V依据相关规范对工程的照明系统插座系统供配电系统防雷接地系统有线电视系统及电话通信系统进行设计 照明系统设计包括照度计算照明干线导线截面积的选择以及导线的敷设方式插座系统设计包括插座布置插座选择以及插座的正确安装高度插座回路与照明回路由不同支路供电空调插座为单独回路建筑物为第三类防雷建筑防雷系统设计是在屋面上装设避雷针与避雷带相结合的接闪器接地形式采用TNCS系统有线电视系统采用分配分支方式用户输出口信号电平为68±4dB信号引自市内有线电视网电话和网络系统线路敷设在同一根管道内 关键词照明系统配电系统防雷接地电视系统电话通信 Building electrical design Design Description This graduation design project is a sunny plot 1 story building electrical design this project is 20 floors above ground ground floor one level for shops two to four-story office building five to 20 floors for residential buildings Project electricity there is a load and three load power supply cited in the district substation the power supply voltage 380V220V In accordance with the relevant norms on lighting systems outlet systems for power distribution systems lightning protection and grounding systems cable television system and telephone communication system designThe lighting system design including illumination calculations lighting Linkthe choice of conductor cross-sectional area and wire laying method The socket system design including socket layout socket selection and correct installation height the outlet circuit and lighting back routing slip-powered air-conditioning outlet socket for a separate circuit Building for the third class of mine buildings the design of lightning protection system is provided with lightning and lightning on the roof with a combination of air-termination system grounded in the form of TN-C-S systemCable television system distribution branch user output signal level of 68 ± 4dB signal to quote from the citys cable television network Line laying of telephone and network systems with a pipeline Key Words lighting systemsdistribution systemslightning protection and groundingtelevision systemstelephone communication 目 录 1绪论 1 11建筑电气设计概况 1 12工程概述 1 2动力配电系统设计 3 21配电系统 3