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电网技术  2011 

基于VST的电压稳定分岔分析

, PP. 81-86

Keywords: Matlab,电压稳定分析工具包,牛顿–拉夫逊法,牛顿–拉夫逊–塞德尔法,分岔分析

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Abstract:

介绍了一种新颖的基于Matlab的电压稳定分岔分析工具包—电压稳定工具包(voltagestabilitytoolbox,VST)。详述了该工具包用户友好图形接口界面和源代码开放的特点。基于数值和符号计算,该工具包采用Newton-Raphson和Newton-Raphson-Seydel的组合算法,旨在研究电力系统中的电压稳定和分岔问题,其主要功能包括潮流计算、分岔分析、奇异性和特征根分析、动态时域仿真等。VST非常有助于理解电力系统的电压稳定和非线性分岔现象,使用该工具对一个3机5节点系统和IEEE30节点系统进行仿真,结果验证了该工具包用于电压稳定分析的实用性和有效性。

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