电网无功分区域优化（毕业论文）

密级：

XXXXXX 大学

xxxxxxxxxxxxx UNIVERSITY

本科毕业论文（设计）

题目 电网无功优化分区的研究

学 院 XXXXXX 专 业 电气工程及其自动化 班 级 电气本（1）班 学 号 XXXXXXXX 姓 名 XXX 指导教师 XXX 起讫时间 XXXXX-XXXXX

电网无功优化分区的研究

XXX

（XXX大学 XX学院，XX XX XXXXX）

指导老师：xxxx

摘要

电网无功优化是电能稳定的重要内容，主要涉及电压稳定。本文主要讨论电网无功分区域优化以及与电压稳定的关系，各种实例分析，简单介绍各种优化算法，基本无功潮流的计算与分析，各种补偿设备的介绍，运用及经济运行。各种模型在电力系统分区域研究中的使用，借助模型解决实际问题，对各个分块的无功及部分有功的静态稳定分析和暂态稳定分析，对电网无功分区域优化的各种相关数据量的计算方法，运用相关概念结合实例分析

关键词：无功优化 电压稳定 最优潮流 无功补偿 稳定性分析

Power grid reactive power optimization research of

partition

XXX XXXX

XXXXXXXXXXXXXXXXXXXXXXXXXXX province XXXXXX

The instructor: XXXXX XXXX

Abstrack

Power grid reactive power optimization is an important part of the stable electricity, mainly related to voltage stability. With power grid reactive power optimization areas were discussed in this paper, the relationship between the voltage stability and the, all kinds of case analysis, introduces various kinds of optimization algorithm, the calculation and analysis of fundamental reactive power tide, various compensation equipment introduction, use and economic operation.Various models used in electric power systems research areas, with the help of a model to solve practical problems, for each block of the reactive power and some active static stability analysis and transient stability analysis, the power grid of reactive power optimization areas of various related data calculation method, using the relevant concepts combined with example analysis

Key words: reactive power optimization of reactive power compensation for voltage stability optimal power flow stability analysis

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1 绪论 .............................................................................................................................................. 4

引言........................................................................................................................................... 4 2 电力系统稳定的基本概念 ......................................................................................................... 5

2.1 电力系统稳定研究的内容 .............................................................................................. 5 2.2电力系统稳定性的定义及稳定性分析 ............................................................................. 5 2.3电力系统稳定分类 ............................................................................................................. 6

2.3.1 功角稳定 ................................................................................................................. 7 2.3.2 频率稳定 ................................................................................................................. 8 2.3.3 电压稳定 ................................................................................................................. 9 2.4 电力系统的可靠性、安全性和稳定性及其关系 .......................................................... 10 3 无功功率分配与系统电压稳定的关系 ................................................................................... 11

3.1无功功率平衡综述 ........................................................................................................... 11 3.2电压偏差对电力系统稳定的影响 ................................................................................... 12

3.2.1 对同步运行稳定的影响 ....................................................................................... 12 3.2.2对电压稳定的影响 ................................................................................................ 13 3.3 对电网经济运行的影响 .................................................................................................. 13 4 电力系统的无功功率平衡 ....................................................................................................... 14

4.1无功功率负荷和无功功率损耗 ....................................................................................... 14 4.2无功功率电源 ................................................................................................................... 14 4.3 无功功率的平衡 .............................................................................................................. 17 5 电力系统电压调整 ................................................................................................................... 18

5.1电压调整基本概念 ........................................................................................................... 18 5.2电压调整的基本原理 ....................................................................................................... 20 5.3 电力系统的几种调压方式 .............................................................................................. 21

5.3.1改变发电机机端电压调压 .................................................................................... 21 5.3.2 改变变压器变比调压 ........................................................................................... 21 5.3.3 利用无功功率补偿调压 ....................................................................................... 24 5.3.4 改变输电线路的参数进行调压（线路串联电容补偿） ................................... 26 5.3.5各种调压措施的合理应用 .................................................................................... 28 5.4 小结 ................... …… 此处隐藏：6777字，全部文档内容请下载后查看。喜欢就下载吧 ……