基于拓扑扩展和矩阵增广的复杂配电网络三相不对称系统快速潮流算法TOPOLOGICAL EXTENSION AND AUGMENTED MATRIX BASED METHOD FOR SOLUTION OF COMPLICATED DISTRIBUTION LOAD FLOW
廖怀庆,单渊达,吴杰
摘要(Abstract):
提出了一种解决复杂配电网络 (大 R/ X比值、辐射或弱环结构、含 PV节点等 )三相不对称系统的快速潮流算法。该算法基于配电网通常情况下的辐射 (开环 )结构运行特性 ,利用“降阶的节点—支路关联矩阵”An 建立单相辐射网络的拓扑约束和元件约束方程 ,根据 An 是稀疏矩阵且主对角元素为 1的上三角阵的特点 ,潮流方程就能快速求解。当配电网弱环运行时 ,在系统解环后的断点处补偿电压和电流的边界条件 ,形成网络增广矩阵方程 ,并综合戴维南多端口等值电路迭代求解潮流。此外 ,本算法还采用了高斯 -赛德尔恒电压幅值迭代补偿技术解决 PV节点问题。实验结果说明了本文算法 (简称 3DL F算法 )的正确、稳定、快速、实用性
关键词(KeyWords): 配电网络;三相不对称系统;辐射网络;弱环;PV节点;潮流
基金项目(Foundation):
作者(Author): 廖怀庆,单渊达,吴杰
Email:
DOI: 10.13335/j.1000-3673.pst.2001.07.010
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