35KV变电所设计配置方案

广州华立科技职业学院

毕业设计（论文）

中文题目： 35KV变电所设计配置方案

英文题目：35KV substation design configuration program

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内容摘要

变电所即改变电压的场所。是介于发电与用电的环节，对于电力系统的稳定性、安全性和效率有着极为重要的作用。35kV相比于110kV以及220kV来说，35kV属于小型容量的变电所。这种小型的变电所在诸如北上广深等用电量大、经济发达的一线城市已不再进行建设，但在二、三、四线城市以及农村等依旧仍将长期存在。本文依据总体情况，就县、乡（镇）以及农村35kV提出合理的设计解决方案以及适用范围。

关键字：小型化 35kV变电所设计方案

ABSTRACT

The place where the voltage changes. Is between the power generation and electricity links, for the stability of the power system, safety and efficiency has a very important role. 35kV compared to 110kV and 220kV, 35kV is a small capacity of the substation. This small substation, such as Beijing , Shanghai, Guangzhou and Shenzhen and other large electricity consumption, economically developed first-tier cities are no longer construction, but in the second, third and fourth tier cities and rural areas will still exist for a long time. Based on the general situation, this paper puts forward reasonable design solution and scope of application to county, township (town) and rural 35kV.

Keywords: miniaturization 35kV substation design

目录

内容摘要························································· ABSTRACT ······················································· I 第一章绪论 ················································ - 0 -

一、 35kv变电所概述······································ - 0 -

二、国内外发展情况 ······································· - 0 -

(一) 数字化变电所技术·································· - 0 -

(二) 继电保护的未来发展 ································ - 0 -

(三) 防雷的发展前景···································· - 0 -

第二章设计方案············································· - 1 -

一、设计目标 ············································ - 1 -

二、设计方案 ············································ - 1 -

(一) 变电所选址原则和作用······························· - 1 -

1. 变电所的选择原则 ································ - 1 -

2. 电力系统供电要求 ································ - 1 -

3. 电力系统的额定电压······························· - 2 -

(二) 主接线设计······································· - 2 -

1. 单母线分段接线方案······························· - 2 -

2. 单母线接线方案·································· - 3 -

3. 外桥接线方案···································· - 4 -

4. 分析比较······································· - 4 -

(三) 负荷计算········································· - 6 -

(四) 短路电流的计算···································· - 7 -

(五) 配电装置的平面设计 ································ - 9 -第三章结论 ··············································· - 11 -参考文献··················································· - 12 -