内蒙古科技大学电力系统稳态分析课程设计 题 目:两机五节点网络潮流计算 —牛拉法 姓 名:朱润民 学 号:1167130230 学 院:信息工程学院 专 业:电气工程及其自动化 班 级:11 级电气 2 班 指导教师:刘景霞目录 摘 要潮流计算的目的在于:确定电力系统的运行方式;检查系统中各元件是否过电压或过载;为电力系统继电保护的整定提供依据;为电力系统的稳定计算提供初值,为电力系统规划和经济运行提供分析基础。牛顿迭代法(Newton's method)又称为牛顿-拉夫逊方法(Newton-Raphson method),牛顿--拉夫逊法(简称牛顿法)在数学上是求解非线性代数方程式的有效方法。其要点是把非线性方程式的求解过程变成反复地对相应的线性方程式进行求解的过程。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.采用迭代法,通过建立矩阵的修正方程来依次迭代,逐步逼近真值来计算出电力网的电压,功率分布。采用迭代法,通过建立矩阵的修正方程来依次迭代,逐步逼近真值来计算出电力网的电压,功率分布。本文采用牛顿-拉夫逊法解算电力稳态潮流,用手算和计算机算法对其进行设计。 关键词: 电力系统潮流计算;牛顿—拉夫逊法潮流计算;程序;ABSTRACT The Power Flow computation's goal lies in: Definite electrical power system's movement way; In checkout system various parts whether overvoltage or overload; Provides the basis for the electrical power system relay protection's installation; Provides the starting value for electrical power system's stable computation, is the electrical power system plan and the economical movement provides the analysis foundation. The Newton iteration method (Newton's method) is called Newton - Rough to abdicate the method (Newton - Rough method), Newton--Rough abdicates the law (i.e. Newton law) is solves the misalignment algebraic equation in mathematics the efficacious device. Its main point is turns the misalignment equation solution process carries on repeatedly to the corresponding linear equation the solution the process. MATLAB is one kin...