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论文编号:ZD927 论文字数:13729,页数:27
摘 要
科学技术高度发展的今天,对电力工业的安全可靠运行以及自动化水平提出了更高的要求。我国幅员辽阔,每年有许多个变电站投入运行,有许多个变电站扩建、更新和改造,尤其是35KV变电站更是量大面广。35KV电压等级在我国电力网中是一个重要的电压等级,因此研究35KV变电站设计有重要的实际意义。 基于对变电站综合自动化系统的认识,本文参照了国内一些变电站自动化系统的结构形式,吸取了其中的一些优点,对毕业设计35kV变电站系统进行了设计。同时以此为实例,说明了变电站综合自动化系统在配电自动化领域
的应用
关键词:告成站、运行方式、优化设计
Abstract
Highly developed science and technology of today, the electricity industry, as well as safe and reliable operation of a higher level of automation requirements. China has a vast territory, each of the substations in operation for many, many months substation expansion, updating and transformation, in particular the volume of 35KV substation is widely different departments. 35KV voltage power grid in China is an important voltage levels, so 35KV substation design study has important practical significance. Substation automation based on an understanding of the system, this article is based on some of the substation automation system structure, drawing on some of the advantages of the design of the 35kV substation graduated system design. At the same time as the example of the substation automation system in the field of distribution automation Application
Keywords:Concluded stations, operation mode, optimizing the design
目 录
摘要 ……………………………………………………………………………………………(1)
1前言……………………………………………………………………………………………(5)
2 原始资料分析……………………………………………………………………………(6)
原始资料…………………………………………………………………………(6)
主要技术经济分析………………………………………………………………(8)
综合分析及结论…………………………………………………………………(9)
本设计完成的主要工作…………………………………………………………(9)
3 接线方式分析 …………………………………………………………………………(10)
2.1 35KV告成站系统的组成…………………………………………………………(10)
2.2 告成站系统运行方式的设计……………………………………………………(10)
2.3 主接线形式的确定………………………………………………………………(11)
4 供电系统功率损耗的研究……………………………………………………………(12)
3.1 用电设备负荷计算………………………………………………………………(12)
5 系统运行方式优析……………………………………………………………………(15)
4.1 概 述……………………………………………………………………………(15)
4.2 各种运行方式的分析 ……………………………………………………………(18)
4.3 综合分析 …………………………………………………………………………(25)
6 结论…………………………………………………………………………………………(26)
致谢……………………………………………………………………………………………(27)