论文总字数：27958字

摘 要

论文主要内容是开封大学行政办公楼的各系统电气设计的设计依据、原则和方法以及设计的结论。本论文有四个部分：绪论、配电系统设计、照明系统设计、防雷接地系统设计。

绪论包括：本设计内容及设计原则等；

配电系统包括：供配电方案确定，电气设备选择，线管选择与布置，负荷的计算等等；

照明系统包括：光源、灯具、照明方式选择和照度计算；

防雷接地系统包括：建筑物防雷措施，防雷接地原则与方案等等。

本次设计中，供配电系统设计采用TN-C-S系统，由380V/220V电源供电，室外变电所提供电源。用荧光灯和普通吸顶灯进行照明，单位容量法照度计算来确定房间所需要的灯具数量，并且对灯具进行合理的设置与选择。采用需要系数法进行负荷计算，电缆导线型号及用电设备由负荷计算选取。避雷带作为本建筑的防雷系统，并对整个电气工程进行概预算。

关键字：电气设计 配电 照度 光源 负荷

A Comprehensive Administrative Office Building Architecture Electrical Design

Abstract

With the increasing variety of electrical equipment in office buildings，people's demand for electrical equipment in office buildings is also getting higher and higher, and the demand is becoming more and more diversified.In order to meet the needs of intellectualized development of integrated office buildings，in this paper, I will demonstrate a comprehensive, rational and intelligent electrical design scheme.We can carry out two electric parts,one is strong,another is weak,which is based on the basis and principles.

This paper mainly elaborates the design basis, principles, methods and conclusions of the electrical design of the administrative office buildings of Kaifeng University.This paper consists of four chapters, which can be divided into four parts: intro, the design of distribute, the design of light, the design of grounding and protection of lightning.

The introduction part includes the general condition of building electricity, the principles of this design, etc.

The design of distribute system includes: distribution scheme determination, electrical equipment selection, pipeline selection and layout, load calculation,the accomodation of power etc.

The lighting system design includes: light source selection, lighting fixture selection, lighting mode selection and illumination calculation, etc.

The design of grounding and protection of lightning includes： buildings measurement of protection, principles and schemes, etc.

On the basis of meeting the daily electricity load and lighting requirements of office building reconstruction and expansion, the electrical design of comprehensive building is carried out around energy saving, environmental protection, beauty, comfort and other factors.

The design of power supply and distribution system adopts TN-C-S system, which is powered by 380V/220V power supply, which is directly buried by outdoor substations.

The lighting source mainly uses fluorescent lamp, and the ordinary ceiling lamp determines the number of lamps needed by the room by calculating the illumination of the unit capacity method, and makes reasonable settings and choices of lamps and lanterns.

We use coefficient demand to work out office buildings’load. From the value of counting of load, we can choose the type of conductor and electrical device.

The lightning protection belt is selected as the lightning protection system of the building, and the whole electrical engineering budget is estimated.

The design completed with 30 drawings, including 30 strong electric parts, using AUTOCAD software to finish my design.

We need to set higher standards for the safety of the building electrical, also reliability should be counted, it is included in the electrical plan, and can adapt to the office environment of the administrative office building in the university,with higher standards for the safety and reliability of building electrical, and can better reflect the intelligence of contemporary office environment.

The electrical engineering design of this administrative office building is a graduation project. Its purpose is to apply the knowledge learned synthetically and integrate theory with practice through design practice,exercising the ability to independently analyze and solve Architectural Electrical Design problems,and finally lay a solid foundation for my future work.

Key words:Electrical design;Distribution;illumination;light source;load

目录

第一章 系统概述 1

1.1工程概述 1

1.2设计概述 1

第二章 照明系统 3

2.1总则 3

2.2照明光源选择 3

2.3照明方式选择 3

2.4照明灯具的选择 4

2.3照明负荷计算 15

第三章 供配电系统设计 19

3.1负荷等级及供电要求 19

3.2按需要系数法确定计算负荷 20

3.3线路电压损失较验 24

3.4本工程配电系统说明 26

3.5导线选择 27

第四章 防雷接地系统 28

4.1建筑物的防雷措施 28

4.2防雷接地方案论证 30

结语 31

致谢 32

参考文献 33

第一章 系统概述

1.1工程概述

本次设计，是对开封大学行政办公大楼的建筑电气设计。

本工程概况：开封大学行政办公楼，高22.8米，地上六层，第一层有大会议厅、校史馆、老干部活动中心、文印室、接待室和办公室；第二、三层有会议室、接待室、领导办公室、主任办公室和办公室；第四层有领导办公室、办公室、会议室、接待室；第五层有办公室、职工之家、会议室、接待室；第六层有办公室、会议室、接待室。该建筑符合建筑划分标准中的“高规”一档，是高层建筑中的一类建筑。

1.2设计概述

本次设计对象是开封大学行政办公楼的电气设计。设计内容：

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