电气工程自动化毕业论文

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1、湖南科技大学毕业论文基于Matlab的电力系统潮流仿真计算 作者：系别：成教　 专业：电气工程自动化　　　　学号：　　　　　　　　　指导老师：　　　 时间：2011年2月13日　　  32目录摘　要····································································1第一章电力系统潮流计算简介·············································2第二章电力网络的数学模型-节点电压方程···································42.1电力网络的节点电压方程

2、·················································22.2节点导纳矩阵··························································22.2.1自导纳和互导纳的确定方法···········································22.2.2节点导纳矩阵的性质和意义···········································42.2.3非标准变比变压器等值电路·······································

3、····5第三章潮流计算的数学模型-潮流方程······································73.1潮流计算的基本方程····················································7323.2电力系统节点分类·····················································103.3潮流计算的约束条件···················································11第四章牛顿-拉夫逊法潮流计算·······················

4、·····················124.1牛顿-拉夫逊法基本原理·················································124.2牛顿-拉夫逊法潮流计算方法·············································144.2.1以直角坐标形式表示················································144.2.2牛顿-拉夫逊法程序框图·············································174.2.3牛顿-拉夫逊法求解过程··

5、···········································184.2.4程序需要输入数据·················································19总结·····································································2032参考文献·································································21附录牛顿—拉夫逊法潮流计算程序及其结果分析····················

6、··········2232　基于Matlab的电力系统潮流仿真计算学员姓名：　　　单位：摘要：Matlab是一种交互式、面向对象的程序设计语言，广泛应用于工业界与学术界，主要用于矩阵运算，同时在数值分析、自动控制模拟、数字信号处理、动态分析、绘图等方面也具有强大的功能。通过M语言，可以用类似数学公式的方式来编写算法，大大降低了程序的难度并节省了时间，从而可把主要的精力集中在算法的构思而不是编程上。传统的潮流计算程序缺乏图形用户界面，结果显示不直观，难于与其他分析功能集成，网络原始数据输入工作量大且易于出错。Matlab潮流计算研究近年来得到了长足的发展。针对这一现状结合电力系统的基本

7、特点，以牛顿—拉夫逊法潮流计算方法为例，对IEEE-6BUS标准试验系统的潮流计算进行仿真,提出了基于Matlab的电力系统潮流仿真计算。它大大提高了计算速度，占用内存少；计算结果有良好的可靠性和可信性；适应性好，即能处理变压器变比调整，系统元件的不同描述和与其它程序配合的能力强。关键词：电力系统潮流计算;　MATLAB仿真;　牛顿—拉夫逊法潮流计算;　面向对象AbstractTheMATLABisakindofhandingoverwithe