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虚拟母线技术及其应用(一):虚拟母线辨识算法

DOI: 10.13334/j.0258-8013.pcsee.2014.04.011, PP. 596-604

Keywords: 簇集网状网络,虚拟母线,母线负荷预测,辨识算法,关键断面

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Abstract:

母线负荷预测是提高电网调度精益化水平的重要环节,也是制定电网运行方式、计算线路输送能力、甄别电网安全状况的重要依据。大电网中母线数目众多,且单个母线的负荷水平低、波动性强、规律性弱,根据母线负荷预测领域面临的这些难题,提出了簇集网状网络的概念,并进一步提出了虚拟母线(virtualbus,VB)的聚合判据,证明了VB的基态特性和断态特性,并依据聚合判据提出了VB的辨识算法。基于河北南网的实例分析验证了VB辨识算法的有效性。VB技术可以在电力系统的负荷预测、潮流计算、状态估计、安全校核等领域得到广泛的应用。

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