河海住宅小区电气设计（二）计算书.doc

1、目 录摘要IAbstractII引言11 设计概况1 1.1 小区概况1 1.2 设计依据1 1.3 设计要求1 1.4 设计成果22 设计计算书2 2.1 负荷分析2 2.2 负荷统计计算2 2.3 无功功率计算及补偿3 2.3.1 电力电容接线方式3 2.3.2 无功补偿方式3 2.3.3 无功补偿容量4 2.3.4 并联电容器的选择43 变电所位置和形式的选择5 3.1 概述5 3.2 小区变配电所的布置及结构方案5 3.2.1 配电室的结构5 3.2.2 值班室的结构6 3.3 变电所位置的确定74 主变压器台数和容量的确定7 4.1 变压器主变台数的选择7 4.2 变电所主变压器容量

2、的选择85 变电所主接线方案的选择8 5.1 变电所主接线方案的评价8 5.2 变电所主接线方案的确定96 短路电流计算9 6.1 短路计算的意义和内容9 6.2 短路电流计算方法9 6.3 短路计算点的选取97 变压器一次设备的选择与校验13 7.1 概述13 7.2 高压一次设备的选择和校验13 7.3 低压一次设备的选择和校验158 变电所高、低压线路的选择17 8.1 高压侧线路的选择与校验18 8.2 低压侧线路的选择与校验199 照明系统21 9.1 电气照明21 9.2 电源进线设计23 9.3 照明线路的控制与保护2410 弱电系统设计24 10.1 概述24 10.2 有线电

3、视系统24 10.3 电话系统25 10.4 网络布线系统25 10.5 访客对讲系统2511 防雷和接地装置的确定25 11.1 概述25 11.2 变电所防雷系统设计25 11.3 单体楼的防雷接地系统设计25参考文献26致谢27附录28 ContentsIntroductionIAbstractIIPreface11 Design general situation1 1.1 Small zone general situation1 1.2 The design gist1 1.3 The design require1 1.4 Design result22 Design state

4、ment of account2 2.1 Load Analysis2 2.2 Carry the statistics reckoning2 2.3 Reckon and commute without the rate of work3 2.3.1 The electric power electric capacity connects line method3 2.3.2 Without the work offset method3 2.3.3 Without the work offset capacity measure4 2.3.4 Merge the select of th

5、e capacitor43 Change an electricity the position with the modal select5 3.1 Sum5 3.2 The small zone changes to go together with an electricity of the layout and the structure scheme5 3.2.1 Change an electricity the certainty of the position5 3.2.2 Change an electricity the type scheme select6 3.3 De

6、termine position of substation74 The main transformer pedestal number and the certainty of the capacity measure7 4.1 The transformer lord changes the select of the pedestal number7 4.2 Change an electricity the select of the main transformer capacity measure85 Change the select that the electricity

7、connects the line scheme the lord8 5.1 Change the appraisal that the electricity connects the line scheme the lord8 5.2 Change the certainty that the electricity cinnects the line scheme the lord96 The short-circuit electric current calculation9 6.1 The senses and the contents of the short-circuit r

8、eckoning9 6.2 Short-circuit electric current computational method9 6.3 The short-circuit reckons the selection of the point97 Change an electricity to check a select of facility and the schoo13 7.1 Sum13 7.2 The high pressure a select of facility and school check13 7.3 Low-pressure select of facilit

9、y and school check158 Change an electricity the select of the high and low-pressure circuit17 8.1 The select and school of the high pressure side circuit check18 8.2 The select and school of the low-pressure side circuit check199 The electricity light,heat and water expense design21 9.1 The light so

10、urce21 9.2 The power supply enters the line design23 9.3 Illuminate the regulate and the safeguard of the circuit2410 The weak electricity system design24 10.1 Sum24 10.2 Cabled TV system24 10.3 Telephone system25 10.4 Network cloth line system25 10.5 Visitor vs. speak system2511 Defend thunder and

11、connect the certainty of the solemn installation25 11.1 Sum25 11.2 Change the thunder that electricity defend connects the solemn system design25 11.3 The single corpus building defends thunder to connect the solemn system design25Reference26Acknowledgement27Appendix28IV河海住宅小区电气设计摘要：随着社会的发展与进步, 以信息技

12、术与建筑技术相结合的智能小区迅速地发展起来。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；单体建筑电气设计是根据国家有关规范完成一栋多层住宅楼的电气施工图设计，主要包括照明配电，防雷

13、与接地，综合系统布线等内容。关键词：负荷计算 弱电系统 供配电设计The Garden of Hehai Electrical DesignAbstract Along with the social shape and the advancement, is combining together with the information technique and the structure technique of brain the small zone develops quickly. The shape of the brain small zone is for people t

14、ender more conveniently, elegant and easy living condition, it not only includes a service, the space stretch, the electronics infrastructure, the cable supervision etc. serves generally, more important take structure as terrace, gather structure, serve, manage, the electricity automation and correspond by letter the optimization of combination of the network system, tender a safety toward people, efficiently, amenity, facilitation of living condition. This electrical engineering design with the latest brain the shape of the smal