摘要现代电力系统对其经济与稳定运行的要求越来越高，从而在现在的电力电子学科中产生了一个比较新的研究领域，即通过静止无功补偿装置来实现动态无功补偿。本文对静止无功发生器做了一定程度的研究和分析。64380

  本文介绍了一些有关SVG的课题背景，比如无功功率的产生及其作用，还有无功补偿的概念及其作用，以及一些现有的无功补偿装置，并对比了它们的性能，通过比较得出SVG的一些优点。

  本文介绍了与SVG相关的理论，包括功率因数的计算，无功补偿的原理，三相电路瞬时无功功率理论，详细分析了SVG的工作原理，并着重讨论了对SVG进行控制的策略和方法。

  本文使用MATLAB软件对SVG进行了仿真分析，通过SIMULINK模块搭建了仿真模型，而且通过对仿真结果的分析，应证了静止无功发生器的无功补偿性能。并分析讨论了它的工作过程，进而得出理论分析和控制策略的正确性。

毕业论文关键词  静止无功发生器  无功功率  无功功率补偿  MATLAB仿真分析

毕业设计说明书（论文）外文摘要

Title     Simulation and Analysis of Static Var Generator                    

Abstract

The economies and stability of modern power system operation is becoming more and more important.So the research on compensating reactive power using static compensation device is one of the most active areas in power electronics subject. In this thesis, Static Var Generator is studies and analyzed deeply. 

The paper first introduces the background of SVG, such as the generation of reactive power and its role,as well as the concept of reactive power compensation and its role,and some existing reactive power compensation device,and compared them,and derived some advantages of SVG.

The paper describes the theoretical foundation about SVG.Such as the calculation of the power factor,reactive power compensation principle, three-phase circuit instantaneous reactive power theory , a detailed analysis of the working principle of SVG and discussed the strategies and methods of the control for SVG.

The paper use MATLAB software to have a simulation for the SVG system.setting up simulation models by SIMULINK module,and through the analysis of the simulation results , show the reactive power compensation performance of SVG. And then discussed its work processes, come to the conclusion that the theoretical analysis and control strategy is correct.

Keywords:Static var generator;Reactive power;Reactive power compensation;  MATLAB Simulation Analysis

目  录

1 引言 1

1.1 课题的研究背景 1

1.2 国内外研究现状分析 2

1.3 本文研究的主要内容 5

2 SVG基本原理 6

2.1 无功功率和功率因数 6

2.2 无功功率补偿 8

2.3 瞬时无功功率理论 9

2.4 静止无功发生器（SVG）的原理 11

3 静止无功发生器（SVG）控制策略 18

3.1 间接控制 19

3.2 直接控制 21

4 SVG的仿真分析 24

4.1 仿真模型的搭建