花园小区电气设计说明书计算书.doc

1、目 录摘要IAbstract1 前言12 工程概述13 小区变电站的电气设计33.1电气主接线的设计23.1.1电气主接线设计的重要性23.1.2电气主接线设计的步骤23.2配电室位置和数量的设计33.2.1变电站主变压器的选择33.2.2主变压器容量的确定33.2.3主变台数的确定43.2.4主变压器型号的确定43.2.5 电气主接线方案的设计63.2.6 供电系统主接线方案的设计63.3短路电流计算73.3.1 短路计算的目的及步骤73.3.2短路电流的计算83.4电气设备的选择93.4.1 电气设备选择的一般条件93.4.2各电气设备选择的原则123.5 10kV侧设备的选择133.6

2、380V侧设备的选择153.6.1 热稳定校验 153.6.2 动稳定校验153.7无功补偿方案设计163.7.1 提高功率因数的意义163.7.2 补偿装置的确定163.7.3无功补偿容量计算173.7.4无功补偿的接线图173.8 备用电源自动投入173.8.1备用电源自动投入装置173.8.2 自动投入装置的运行184 照明和插座系统设计194.1照明系统的概述194.1.1照明系统的发展现状194.1.2照明计量单位204.2照度方式和种类204.2.1照明方式204.2.2照明种类204.3光源和灯具214.3.1光源种类214.3.2灯具选择和布置214.4照度计算224.4.1利

3、用系数法224.4.2单位容量法234.5本工程的电气照明设计254.5.1电气照明设计的基本原则254.6 插座系统294.6.1插座系统的概述294.6.2一般规定（规范）294.6.3 插座的安装294.6.4本工程的插座系统设计315 单体楼低压配电系统设计315.1配电的设计概述315.1.1设计要求325.1.2设计原则325.1.3 设计一般规定325.1.4负荷分级及供电要求345.1.5各负荷等级的供电措施345.2低压配电系统线路的选择355.2.1 低压线路接线方式355.2.2导线和电缆的选择365.3低压配电系统电气设备的选择375.3.1 基本要求375.3.2漏电

4、保护375.4单体楼负荷计算的方法375.5本工程1#楼的负荷计算和导线选择386 防雷接地系统设计426.1防雷与接地系统概述426.1.1 防雷系统概述426.1.2 建筑物的防雷等级426.1.3第三级防雷建筑物的防雷措施426.1.4一般的防雷措施436.2建筑物的防雷装置436.2.1引下线43 6.2.2 接地装置43 6.2.3 接地系统概述446.3防雷设计456.4接地设计457 弱电系统设计467.1有线电视系统467.1.1系统概述467.1.2有线电视系统设计477.1.3有线电视系统的计算487.2电话通信系统517.2.1系统概述517.2.2本工程电话通信系统的设

5、计517.3宽带网络系统517.3.1系统概述 517.3.2系统设计方案517.3.3本工程宽带网络系统设计528 消防及火灾报警系统说明528.1设计依据528.2供电设计528.3消防报警及联动系统528.4.消防线路539 技术经济分析5310 结论54参考文献55致谢56ContentsAbstract1 Introduction12 Project overview13 The substation electrical design33.1The main electrical wiring design23.1.1The importance of the main elect

6、rical wiring design23.1.2The main electrical wiring design steps23.2Substation location and quantity of design33.2.1The choice of main transformer substation33.2.2The determination of the main transformer capacity33.2.3The determination of main transformer stations43.2.4The determination of the main

7、 transformer model43.2.5 The main electrical wiring scheme design63.2.6 The main power supply system wiring scheme design63.3Short circuit current calculation73.3.1 Short circuit calculation of purpose and steps73.3.2The calculation of short-circuit current83.4The choice of electrical equipment93.4.

8、1 Electrical equipment selection of general conditions93.4.2The principle of the electrical equipment selection123.5 The choice of 10 kV side equipment133.6 The choice of 380 v side equipment153.6.1 The thermal stability of check 153.6.2 Dynamic stability check153.7Reactive power compensation scheme

9、 design163.7.1 The meaning of raising power factor163.7.2 The determination of compensation device163.7.3Reactive power compensation capacity calculation173.7.4The wiring diagram of reactive poWer compensation173.8 Standby power supply automatically173.8.1Standby poWer automatic input device173.8.2

10、The operation of the automatic input device184 Sockets and lighting system design194.1An overview of the lighting system194.1.1The development status of lighting system194.1.2Lighting unit of measurement204.2Illumination way and species204.2.1Lighting system204.2.2Types of lighting204.3The light sou

11、rce and lamps and lanterns214.3.1Light source type214.3.2Lamps and lanterns choice and layout214.4Intensity of illumination computation224.4.1Using the method of coefficient of224.4.2The unit capacity method234.5This projects electric lighting 254.5.1The basic principles of electric lighting design2

12、54.6 The socket system294.6.1An overview of the socket system294.6.2General provisions (specification)294.6.3 The installation of the socket294.6.4The socket system design of this project315 Monomer building low-voltage distribution system design315.1Design overview of the distribution315.1.1The des

13、ign requirements325.1.2Design principles325.1.3 Design of general provisions325.1.4Load rating and poWer requirements345.1.5The load level of poWer supply345.2The choice of low voltage poWer distribution system line355.2.1 LoW voltage line connection mode355.2.2The choice of Wires and cables365.3The choice of electrical equipment of loW voltage power distribution system375.3.1 The basic requirements375.3.2Electric leakage protection375.4Monomer building load calculation method375.51 # building project, load calculation and selection conductor386 Lightningproof ground