文档介绍：摘要
随着国民经济的不断提高,城市化的步伐正在加快。不仅是目前的城市,还是社会主义新农村,由经过专业人士设计的居民小区环境优美,公共设施齐全,各地小区的建设可谓是蒸蒸日上,如火如荼。。
本次针对电力系统的末端,小区配电方面进行了模拟学习。首先应该对小区的负荷进行统计,在统计的时候应全面考虑,包括近几年来当地小区的一户平均用电水平,以及逐年的变化趋势。还与一些大城市的户平均用电水平进行了比较,以及已经建设好的小区的变压器的负荷情况来综合考虑每户应该规划的负荷,以免造成电能的浪费和投资的增多。确定好负荷之后,确定变压器的容量。要紧跟变压器的发展,采用性价比比较高的变压器。考虑到居民小区本身的特点,以及箱式变压器的蓬勃发展,宜把小区分成若干供电团组来供电,由总控制室来管理。其中总控制室配备无功补偿,并且安装一台或两台油式变压器来给附近的住宅楼供电。在变压器的选址方面,严格遵守电力安全规定,绝对不能影响居民日常生活。在主接线方面充分结合了小区的负荷分布情况和道路的走向,本着高效,节约的原则确定了方案。在电缆的选择和铺设方面,严格遵照《电力工程电缆敷设规范》等相关的国家行业标准来选择和铺设。进行了短路电流的计算,主要设备的选择和校验,及接地防雷的设计。
在本论文的正文里配备有说明、计算和图纸。
关键词:居民小区配电系统变电所
Abstract
With the national economy continued to increase,The pace of the Urbanization is speeding up. Not only the present city,and a new socialist surroundings of the residential area is beautiful with a professional design. Public facilities plete.
This is works for the end of the power system , to domestic load for small residential area . First Statistics Load of small residential,we must think many things. Including the electricity consumption of the local residential in recent years, and the trend of changes year by year. I also contrast with the electricity consumption of the developed city ,and the Situation of transformers that have constructed. These work is to avoid the waste of the power of electricity and the waste of investment . After the confirmition of lode, I ensure the capacity of the transformer. With the evelopment of the transformer,I choose the transformer that have a good price quality. Considering the characteristic of district and the greate development of box-type electric substation ,It is good to divide the district to several zones. Every zone’s power is supplied by a box-type electric substation. mand is equiped by parallel capacitor,and one or two transformers that offer electric power to buildings nearby. In the field of address of transformer ,I follow electricity ordinanceand e
lectrical safety mustn’t affect the normal life. W