1、 本科毕业论文（20 届）曙光小区电气设计所在学院专业班级 电气工程及其自动化学生姓名指导教师完成日期目 录 摘要 .1Abstract： .2引言 .31 设计概况 .31.1 小区概况 .31.2 设计依据 .31.3 设计要求 .41.4 设计成果 .42 设计计算书 .42.1 一般设计原则 .42.2 负荷分析 .42.3 负荷计算分析 .52.2 负荷统计计算 .52.3 主变压器选择的规范及原则 .72.4 主变压器型号的确定 .82.5 电气主接线方案的设计 .82.5.1 电气主接线的基本形式 .92.5.2 各接线的适用范围 .92.6 无功功率计算及补偿 .92.6.1
2、电力电容接线方式 .92.7 无功补偿容量 .102.8 并联电容器的选择 .103 短路电流计算 .113.1.1 短路电流计算的目的 .113.1.2 短路电流计算的一般规定 .123.1.3 短路电流的计算步骤 .123.2 低压一次设备的选择和校验 .134 电气设备选择的一般条件 .144.1 按正常工作条件选择 .144.2 按短路情况校验 .155.变压器一次设备的选择与校验 .155.1 概述 .155.2 高压一次设备的选择和校验 .155.3 低压一次设备的选择和校验 .175.4 设备选择汇总 .186 变电所继电保护设计 .196.1 概述 .196.2 变压器保护设置
3、 .196.3 变电所 10KV 母线保护 .207.照明系统 .207.1 电气照明概述 .207.2 确定合适的光源 .217.3 照明灯具的选择与布置 .217.4 照度计算 .228 弱电系统设计 .318.1 概述 .318.2 有线电视系统 .318.3 电话系统 .318.4 网络布线系统 .328.5 访客对讲系统 .329 防雷和接地装置的确定 .329.1 概述 .329.2 变电所防雷接地系统设计 .329.3 单体楼的防雷接地系统设计 .33参考文献 .35致谢 .36Contentsdigest .1Abstract： .21 Design overview .31.
4、1 Community profile.31.2 Design basis .31.3The design requirements .41.4 Design results.42 Design calculation.42.1General design principles.42.2Load analysis.42.3Load calculation analysis .52.2Load statistical computing .52.3The main transformer choice of norms and principles.72.4The determination o
5、f the main transformer model .82.5The main electrical wiring scheme design.82.5.1The basic form of the main electrical wiring .92.5.2 All wiring of the scope of application.92.6Reactive power calculation and compensation .92.6.1Electric power capacitor connection mode .92.7Reactive power compensatio
6、n capacity .102.8The choice of the parallel capacitor .103Short circuit current calculation.113.1.1The purpose of short-circuit current calculation .113.1.2 The general provisions of short-circuit current calculation .123.1.3 The calculation of short-circuit current step .123.2Low voltage equipment
7、selection and calibration at a time.134. Electrical equipment selection of general conditions .144.1According to the normal working conditions to choose .144.2According to the check short circuit situation .155Transformer equipment selection and calibration at a time. .155.1 Abstract .155.2 High vol
8、tage equipment selection and calibration at a time .155.3 Low voltage equipment selection and calibration at a time .175.4Equipment selection summary .186 Substation relay protection design .196.1 Abstract .196.2The transformer protection setting .196.3 10 kv substation busbar protection.207Lighting
9、 system.207.1Summary of electric lighting.207.2Determine appropriate light source.217.3The choice of lighting lamps and lanterns and arrangements.217.4Intensity of illumination computation.228Weak current system design .318.1 Abstract .318.2Cable TV system .318.3 The telephone system.318.4 Network w
10、iring system .328.5 Visitors intercom.329The determination of lightning protection and grounding device.329.1 Abstract .329.2 Substation grounding system design.329.3 Monomer building lightningproof grounding system design .33reference.35Thank you .36曙光商业小区电气设计摘要：随着社会的发展与进步, 以信息技术与建筑技术相结合的智能小区迅速地发展起
11、来。智能小区的发展为人们提供更为便捷、高雅、舒适的居住环境，它不仅包括服务,空间展开,电子基础设施,缆线管理等一般服务, 更重要的是以建筑为平台，集结构，服务,管理，电气自动化及通信网络系统之间的最优化组合,向人们提供一个安全,高效,舒适,便利的居住环境。本次设计的变电站主要服务于一个新建商业办公区部分住宅。其供电的用户主要为区内的照明、动力、消防、风机等。用电区内有五层办公建筑四栋，二单元小高层两栋（共 25 层，设有电梯），本设计为变电站典型设计方案。本变电站共有两台变压器，两台互为备用。共有两个电压等级：10KV 和 0.4KV。所处地理位置优越，能够充分保证用电的可靠性。变电站所在的气
12、候状况、地质情况、海拔高度均属正常情况。小区附近无严重污染。故该变电站设计时不需要考虑特殊情况。关键词：负荷计算 继电保护 电气照明设计 弱电系统 供配电设计Light commercial residential electrical designAbstract：With the development and progress of the society, with the combination of information technology and building intelligent village developed rapidly. Intelligent villa
13、ge development provide people with more convenient, elegant and comfortable living environment, it not only include services, space, electronic infrastructure, cable management, and other general service, more important is building platform, collection structure, service, management, optimization combination between electrical automation system and communication network, to provide a safe, efficient, comfortable and convenient living environment. The design of substation main service in a new co
