电力系统潮流计算的计算机仿真-电气工程及其自动化毕业设计.doc

毕业设计〔论文〕材料之二〔1〕
xxx工程大学本科
毕业设计〔论文〕
专 业： 电气工程及其自动化
题 目： 电力系统潮流计算的
Calculation for Power System
Abstract
Power flow calculation is the foundation of power system is not only an important analysis function for power system, but also a tool for fault calculation, identification of relay protection and security analysis. Power flow calculation is the basic calculation of dynamic and static stabilization. In the research of power system planning and the existing operation mode, it is based on power flow calculation to quantificationally compare rationality, reliability and economy of power supply scheme or operation mode.
First of all,this paper introduces the manual calculation of simple power flow and the mathematical model of complex power flow calculation, including load flow calculation of simple branches, radial network and closed loop network, the basic concept of power network equation, power equation, as well as the classification of variable and node. Then this paper introduces popular computer algorithm for complex power flow at present, which focus on the details of the basic theory of Gauss - Seidel method, Newton - Raphson method and PQ decomposition method. Finally, this paper uses a power network equivalence of five nodes to carry on the example analysis, which has drawn the flow diagram of load flow calculation, using MATLAB software applications for computer analysis. Its operation contains the nodal injection power, nodal injection current, node voltage, line flow power, network power loss and the number of iterations. And the calculation results show that the algorithm has good convergence and practicability.
Keywords: Load flow calculation; Complex power system; MATLAB; Newton - Raphson method
目 录
(每章和每节标题按要求设置好后，目录最后能自动生成)
引 言 1
第1章 绪论 2
课题的学术背景与研究意义 2
潮流计算的国内外开展概况 2
课题研究的主要内容 3
第2章 简单电力网络潮流的手工计算 4
简单辐射网络的潮流计算 4
简单支路的潮流分布 4
辐射型