罗星阁高层宾馆写字楼电气设计计算书.doc

1、目 录摘要IAbstractII引言11 设计概况11.1工程概况11.2 设计依据11.3 设计要求21.4 设计成果22 设计计算书22.1 负荷分析22.2 负荷统计计算22.3 无功功率计算及补偿82.3.1 电力电容接线方式82.3.2 无功补偿方式92.3.3 无功补偿容量93电线、电缆及设备选型103.1常用电线和电缆型号的选择103.2常用电线和电缆截面积的选择方法104 主变压器台数和容量的确定124.1 变压器主变台数的选择124.2 主变压器容量的选择124.3 变电间主接线方案的选择135 短路电流计算135.1 短路计算的意义和内容135.2 短路电流计算方法135.

2、3 短路计算点的选取136开关型号选择176.1高压一次设备的选择和校验176.2 低压一次设备的选择和校验187 火灾报警系统217.1简介217.2火灾报警内容217.3火灾探测器的配置部位217.4探测器数目的确定227.5感烟感温探测器计算228 照明系统238.1 光源照度计算238.2 照明线路的控制与保护279 弱电系统设计279.1 概述279.2 有线电视系统279.3 电话系统289.4 网络布线系统2810 防雷和接地装置的确定2810.1 概述2810.2 措施2810.3 其他安装规定28参考文献30致谢31附录32Contents IntructionIAbstra

3、ctIIPerface11 Design general situation11.1 Small zone general situation11.2 The design gist11.3 The design require21.4 Design result22 Design statement of account22.1 Load Analysis22.2 Carry the statistics reckoning22.3 Reckon and commute without the rate of work82.3.1 The electric power electric ca

4、pacity connects line method82.3.2 Without the work offset method92.3.3 Without the work offset capacity measure93 Wire, cable, and equipment selection103.1 The choice of commonly used wire and cable type103.2 The methods of selection of wire and cable sectional area104 The main transformer pedestal

5、number and the certainty of the capacity measure124.1 The transformer lord changes the select of the pedestal number124.2 Change an electricity the select of the main transformer capacity measure124.3 Change the certainty that the electricity connects the line scheme the lord135 The short-circuit el

6、ectric current calculation135.1 The senses and the contents of the short-circuit reckoning135.2 Short-circuit electric current computational method135.3 The short circuit reckons the selection of the point136 Switch model selection176.1 The select and school of the high pressure side circuit check17

7、6.2 The select and school of the low-pressure side circuit check187 Fire alarm system217.1 Sum217.2 Fire alarm content217.3 The number of detector217.4 The number of detector227.5 Feeling smoke temperature detector is calculated228 The electricity light, heat and water expense design238.1 The light

8、source luminance check238.2 Illuminate the regulate and the safeguard of the circuit279 The weak electricity system design279.1 Sum279.2 Cabled T.V. system279.3 Telephone system289.4 Network cloth line system2810 Defend thunder and connect the certainty of the solemn installation2810.1 Sum2810.2 Mea

9、sures2810.3 Other installation regulations28Reference30Acknowledgement31Appendix32罗星阁高层宾馆写字楼电气设计摘要：建筑电气技术的发展，电气科技的发展而同步的。尤其以及现代通信技术的发展，使建筑电气技术实现了飞跃性的发展。自从改革开放以来，与国际上进行广泛的技术交流，国际上许多先进的新产品、新技术不断进入中国建筑市场，使建筑电气行业迈出了新的一步。本次设计正是从满足人们日益增长的物质文化需要的原则出发，充分符合智能建筑发展特点的要求，利用较为先进的科学技术进行电话通讯系统、火灾报警及消防系统、智能网络系统等各相弱

10、电设计，并严格遵守国家建筑方面的相关规定而完成的。本次设计建筑属一类建筑。主要对其进行供配电系统、照明系统、插座系统等强电设计，以及消防系统、综合布线系统等弱电设计，以满足现代智能建筑的各方面要求。该工程首先对供配电系统进行设计，在供电系统中涉及到建筑供配电的负荷分级和智能建筑对供电的要求以及如何减少电能损耗。在低压配电系统设计中主要考虑配电系统的原则，配电系统配电方式以及配电设计的质量。最后利用需用系数法对系统的负荷进行计算。照明系统的设计是在照度要素和要求的基础上，满足照度均匀度，亮度均匀度，眩光的限制与利用，颜色对比，阴影的处理，照度的稳定性等的要求，利用单位容量法对光源和灯具进行选择和

11、布置。然后根据各回路的计算电流来选择使用的开关，插座，导线，断路器等器件。弱电部分的设计主要是消防和综合布线系统的设计，综合布线是采取标准化的统一材料、统一设计、统一布线、统一安装施工做到结构清晰，使用方便，便于集中管理和维护。关键词：负荷计算 电气照明设计 弱电系统 供配电设计High-rise building electrical designAbstract Building the development of electrical technology, the development of electrical technology and synchronous. Especi

12、ally, and the development of modern communication technology, make building electrical technology has realized the leap development. Since reform and opening up, with extensive international technology exchange, many international advanced new products, new technologies continue to come into China c

13、onstruction market, make the building electric industry took a new step. From this design is to meet peoples growing material and cultural needs principle, fully meet the requirements of the development of intelligent building characteristics, the use of more advanced science and technology for tele

14、phone communication system, fire alarm and fire control system, intelligent network systems such as the weak current design, and strictly abide by the national related regulations in the field of architecture. The design belongs to the type of buildings. Mainly on the power supply and distribution s

15、ystem, lighting system, outlet system of high-voltage electrical design, and the fire protection system, integrated wiring system, such as weak current design, to meet the requirements of the various aspects of modern intelligent building. On the power supply and distribution system design in the first place, the project involves the construction of power supply and distribution in the power system load classification and intelligent