1、 I 摘摘 要要 本文分别对 4 节点电力网络,5 节点电力网络和 30 节点的电力网络进行简单的 电力网络的潮流计算,采用 C+软件平台编制潮流程序,分别采用牛拉法和 PQ 快 速解耦法编制了两个程序,通过对比两种算法的计算结果、迭代精度和迭代次数, 进而分析得出两种潮流计算机方法的特点。 电力系统的潮流计算是用来监测和研究有关于电力系统稳态运行状况的基本计 算,是电力系统规划设计、运行与分析的基本工具。为提高电力网络系统自动化操 作的快速性及准确性,而且让系统可以进行安全、系统地进行实时分析,电力网络 的潮流变化信息是一项重要的资源,所以对于电力网络进行潮流计算是现在潮流计 算的发展的一个
2、方面。 本文的主要内容就是基于简单电力网络地潮流计算设计,结合牛顿-拉夫逊法潮 流计算,采用 PQ 快速解耦发潮流计算程序,完成基于 C 语言的电力系统潮流计算 程序的设计。在电力系统在正常运行的情况下,通过对电力系统的潮流(功率、电 压、相角等)来对电力系统网络的某一个特定时间点的运行状态进行描述。本文基 于以上的基础知识对于电力系统网络潮流计算进行了设计、仿真,并且分析了在不 同场景两种计算方法的结果精确度。 关键词:C+编程;潮流计算;牛顿-拉夫逊算法;PQ 快速解耦法;迭代比较 II ABSTRACT Electric power network, this article respe
3、ctively to four node 5 node power network with 30 nodes of power network to carry on the simple electric network power flow calculation, using c + + software platform trend program, with rafa and PQ fast decoupling method created two programs, by comparing the calculation results of two algorithms,
4、iterative precision and the number of iterations, then analysis the characteristics of the two methods of trend of the computer。 Flow calculation of power system is used for monitoring and research on the condition of power system steady state operation basic computing, is the analysis of power syst
5、em planning and design, operation and basic tools.In order to improve the rapidity and accuracy of electric power network automation system, and make the system can real-time security, system analysis, the trend of the power network change is an important information resources, so the power flow cal
6、culation for power network is now an aspect of the development of the power flow calculation. The main content of this article is based on simple network power flow calculation of design, combined with the Newton - Ralph method flow calculation, the PQ fast decoupled power flow calculation program, complete the power system flow calculation based on the C language program design.In the case of a power system in normal operation, through to the trend of the power system (power, voltage, p