向阳小区电气设计计算书.doc

1、目 录摘要IAbstractII引言11 设计概况11.1 小区概况11.2 设计依据11.3 设计要求12 供电系统的负荷计算23. 照明设计23.1 确定照明设计标准23.2 选择光源和灯具23.3 照度计算24. 负荷计算需要系数法54.1 对于照明回路5 4.1.1 导线选择5 4.1.2 断路器选择54.2 对于普通插座回路:5 4.2.1 导线选择5 4.2.2 断路器选择5 4.2.3 脱扣器电流整定5 4.2.4 配电箱进线负荷计算65. 系统无功补偿计算66. 高低压设备选择及要求66.1 变压器选择66.2 高压开关柜的选择76.3 高压断路器的选择76.4 低压开关柜选择

2、76.5 低压断路器选择77 短路电流计算87.1 短路计算的意义和内容87.2 短路电流计算方法87.3 短路计算点的选取88.电缆的选择119. 变配电所设计119.1 变配电室设计的要求119.2 变电所位置选择的要求11i9.3 变配电所的布置14 9.3.1 局压柜平面布置15 9.3.2 变压器平面布置16 9.3.3 低压开关柜平面布置1610. 防雷接地保护1710.1 雷电的形成1710.2 雷电的危害1810.3 防雷措施18 10.3.1避雷针19 10.3.2 避雷器1910.4 防雷保护19 10.4.1 变配电所的防雷保护20 10.4.2 高压电机的防雷保护21

3、10.4.3 建筑物的防雷保护21参考文献22致 谢23iiContentsIntroductionIAbstractIIPreface11 Design general situation11.1 Small zone general situation11.2 The design gist21.3 The design require22 The load calculation of the power supply system23. Lighting design53.1 Determine lighting design standards53.2 Choose the ligh

4、t source and lamps and lanterns53.3 Illumination calculation65 Load calculation, need coefficient method64.1 For lighting circuit64.1.1 Conductor choice74.1.2 Circuit breaker choose74.2 For ordinary socket circuit7 4.2.1 Wires choose74.2.2 Circuit breaker choose74.2.3 Trip current setting requires84

5、.2.4 Load calculation distribution box into the line85. System reactive power compensation calculation86. High and low voltage equipment selection and requirements96.1 The transformer choose96.2 The choice of high voltage switch cabinet96.3 The choice of high voltage circuit breaker96.4 Low voltage

6、switchgear choose106.5Low voltage circuit breaker selected107. The choice of transformer157.1 The choice of current transformer157.2 The choice of voltage transformer158. The choice of cable159. Design Substation179.1 Power distribution room design requirements179.2 Requirements substation location

7、of your choice189.3 The substation layout18iii9.3.1 Cabinet press office layout189.3.2 Transformer layout189.3.3 Low-voltage switchgear layout1710. Lightning grounding protection1810.1 The formation of lightning1810.2 Lightning hazards1810.3 Lightning Protection1810.3.1 Lightning rod1810.3.2 Lightni

8、ng arrester1910.4 Lightning Protection1910.4.1 Lightning Protection of substatio2010.4.2 Lightning protection of high-voltage motors2010.4.3 Lightning protection of buildings20References22Acknowledgements23 iv佳苑小区电气设计摘要：随着我国全面建设小康社会步伐的加快和城市化建设的快速发展，中小城镇居民住宅小区(包括别墅)的建设如雨后春笋般地发展起来，这是党的改革开放政策的巨大成果。中小城镇

9、居民小区的出现，说明了我国改革开放以来，人们生活得到了极大改善。同时，也为电力企业实现可持续发展营造了一个大好的发展机遇。抓住这一机遇，搞好居民住宅小区的供配电设计，更好地满足人们不断增长的物质文化生活的需要，无疑是摆在各地电力管理部门面前的一个急需很好解决的重大课题。本次设计是以小区配电为背景，涉及小区的10KV变配电室设计、电气照明系统设计、低压配电系统设计、弱电系统设计。关键词：10KV变配电室设计 电气照明系统设计 低压配电系统设计 弱电系统设计IHaiyun Residential electrical designAbstract With the development and

10、progress of the society,with the combination of information technology and building intelligent village developed rapidly.Intelligent village development provide people with more convenient,elegant and comfortable living environment,it not only include services,space, electronic infrastructure,cable

11、 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 electrical engin

12、eering design with the latest development 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

13、 of construction planning and the location of the substation,types,mainly including the selection of load calculation and related equipment;Monomer building electrical design is done according to the national relevant specification of a multi-storey buildings electrical construction drawing design,m

14、ainly including lighting distribution,lightning protection and grounding,integrated wiring system,etc. Keywords: 10 kv substation design, electrical lighting system, design of low-voltage distribution system, design weak current system design ;II引言本设计为小区供配电的设计，设计以“电气工程专业毕业设计任务书与指导书”所提供的设计要求，设计任务为依据，结合国家近年来颁布的建筑标准规范和供电技术的最新发展，依托工厂供电电气照明继电保护的授课内容，并查阅有关的图书资料进行的。本设计的主要内容包括：负荷计算,功率因数计算及无功功率因数补偿,变配电所的位置和型式选择,短路电流计算,变压器的选择及连接方案,主接线的方案的选择,高低压一次设备的选择,各线路的计算电流及设备的选择,电气照明设计,单体楼线路及设备的选择,继电保护的整定弱电系统设计,防雷接地保护等。本设计是在专业老师的指导和同学的帮助下完成的，由于时间仓促和限于本人的水平，设计中难免出现疏漏，敬请各位老师和同学批评指正，本人不胜感激。