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电力系统连锁故障的关联模型

, PP. 204-209

Keywords: 电力系统,连锁故障,关联度函数,隐性故障,潮流转移

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Abstract:

分析了目前电力系统连锁故障模型的不足,并根据连锁故障的特征,提出了连锁故障的关联模型。该模型通过定义连锁故障环节和环节之间的关联度函数,来描述连锁故障过程中各故障元件之间的相关性,并通过分析关联度函数的影响因素,确定不同因素组合下,关联度函数的具体形式。电力系统连锁故障关联模型不仅能实时反映连锁故障环节之间的相关性,而且能快速预测连锁故障的发展方向,并提供故障过程中的影响因素分析,为连锁故障的预防和控制决策提供参考依据。最后,以IEEE39节点系统和实际电网为例,验证了该模型对电力系统连锁故障分析的正确性和有效性。

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