电气工程自动化毕业论文

电气工程自动化毕业论文

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时间:2018-03-28

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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

2、方程·················································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

5、逊法求解过程·············································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

7、一现状结合电力系统的基本特点,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

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