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Evaluation only. Created with Aspose.Slides for .NET 4.0 Client Profile 17.1. Copyright 2004-2017Aspose Pty Ltd. Evaluation only.
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Copyright 2004-2017Aspose Pty Ltd. 电力系统潮流计算的计算机算法
高慧敏
专业课程设计
200997
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Copyright 2004-2017Aspose Pty Ltd. 一、电力系统潮流概述
定义
根据给定的运行条件求取给定运行条件下的节点
电压和功率分布
意义
电力系统分析计算中最基本的一种:规划、扩建
运行方式安排
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Copyright 2004-2017Aspose Pty Ltd. 概述
所需知识
(1)根据系统状况得到已知元件:网络、负荷、发电机
(2)电路理论:节点功率方程
(3)非线性方程组的列写和求解
已知条件
负荷功率a+jQ
发电机功率/电压
历史
手工计算:近似方法
计算机求解:严格方法
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Copyright 2004-2017Aspose Pty Ltd. 、电力系统潮流计算的数学模型
电路方程
回路电流方程(回路电压为零)
节点电压方程(节点电流为零)
割集电压方程
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