电气工程及其自动化毕业设计-怡馨园小区电气设计.doc

1、.装订线.毕 业 设 计 计 算 书怡馨园小区电气设计 院 部 机械与电子工程学院 专业班级 电气工程及其自动化 3 班届 次 2015 届 学生姓名 学 号 指导教师 二 O 一五 年 五 月 二十九 日目录摘要 .IAbstract.II前言 .11 设计概况 .21.1 小区概况 .21.2 设计依据 .21.3 设计要求 .22 设计计算书 .22.1 负荷分析 .22.2 负荷统计计算 .32.3 无功功率计算及补偿 .42.3.1 电力电容接线方式 .42.3.2 无功补偿方式 .52.3.3 无功补偿容量 .53 变电所位置和形式的选择 .63.1 概述 .63.2 小区变配电所

2、的布置及结构方案 .63.3 配电室的结构 .64 主变压器台数和容量的确定 .74.1 变压器主变台数的选择 .74.2 变电所主变压器容量的选择 .75 变电所主接线方案的选择 .85.1 变电所主接线方案的评价 .85.2 变电所主接线方案的确定 .86 短路电流计算 .96.1 短路计算的意义和内容 .96.2 短路电流计算方法 .96.3 短路计算点的选取 .97 变压器一次设备的选择与校验 .137.1 概述 .137.2 高压一次设备的选择和校验 .137.3 低压一次设备的选择和校验 .148 照明系统 .178.1 电气照明概述 .178.2 照度计算 .189 弱电系统设计

3、 .229.1 概述 .229.2 有线电视系统 .229.3 电话系统 .239.4 网络布线系统 .239.5 访客对讲系统 .2310 防雷和接地装置的确定 .2310.1 概述 .2310.2 变电所防雷接地系统设计 .2310.3 单体楼的防雷接地系统设计 .24参考文献 .25致谢 .26附录 .27ContentsIntroduction .IAbstract .IIPreface.11 Design general situation.21.1 Community general situation.21.2 The design gist .21.3 The design r

4、equire.22 Design statement of account .22.1 Load Analysis .22.2 Load statistical analysis .32.3 Reactive power calculation and compensation .42.3.1 Power capacitor connection mode .42.3.2 Reactive power compensation method .52.3.3 Reactive power compensation capacity .53 Selection of position and fo

5、rm of Substation.63.1 Summary.63.2 The layout and structure scheme of substation substation.63.3 Distribution room structure.64 Determine the number and capacity of main transformer .74.1 Transformer number selection .74.2 Selection of main transformer capacity for Substation.75 Selection of main wi

6、ring scheme for Substation .85.1 The evaluation of substation main wiring scheme.85.2 Determination of main wiring scheme of Substation .86 Calculation of short-circuit current.96.1 The significance and contents of short-circuit calculation .96.2 Short-circuit current calculation method .96.3 Select

7、ion of short-circuit calculation points .97 Selection and verification of primary equipment for transformer .137.1 Summary.137.2 Selection and verification of HV equipment .137.3 Selection and verification of low voltage primary equipment.148 Lighting.178.1 Overview of electrical lighting .178.2 Ill

8、umination calculation .189 Weak system design.229.1 Summary.229.2 Cable TV system.229.3 Telephone system.239.4 Network cabling system.239.5 Visitor intercom system .2310 Determination of lightning protection and grounding device.2310.1 Summary.2310.2 Lightning protection and grounding system design

9、of Substation.2310.3 Lightning protection and grounding system design of single building.24References.25Acknowledgement .26Appendix.27I怡馨园小区电气设计【摘要】 本次电气工程设计以最新智能小区的发展为背景，涉及小区的供配电设计，弱电系统设计，单体楼电气照明设计等几部分内容。小区供配电设计是根据小区规模及建筑分布情况规划变电所的位置、类型，主要包括负荷计算和相关设备的选择。本设计主要阐述了怡馨园小区各系统电气设计的设计依据、原则和方法及设计选择的结论。本设计共主

10、要包括强电部分设计、弱电部分部分设计及安防部分设计。开发小区的特点是占地面积大、人口集中、楼房之间有较大的空间。加之绿地、曲径、花园、水泵、以及灯饰等，丰富了小区的内涵，体现环境、建筑及人居的和谐统一。根据以上特点它的供电特点与一般的乡村、工厂不同，必须采取新的配电思路和方式来满足其功能的需要。在供配电设计中，力求做到小区特点及环境的要求。关键词：负荷计算 电气照明设计 弱电系统 供配电设计IIThe Garden of Yixin Electrical DesignAbstract：The electrical engineering design with the latest devel

11、opment of intelligent residential area as the background, involving the community power supply design, weak current system design, parts of monomer building electric lighting design content. District power supply is designed according to the area size and distribution of construction planning and th

12、e location of the substation, types, mainly including the selection of load calculation and related equipment. This design mainly elaborated the yi xin garden residential electrical design of each system design principle, basis and method and the conclusion of design choices. This design mainly includes the high-voltage ele