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Research of fault line selection method for small current grounding system based on multi-source information fusion
Author(s): 
Pages: 56-60
Year: Issue:  3
Journal: Industry and Mine Automation

Keyword:  小电流接地系统单相接地故障选线多源信息融合小波包能量选线可拓检测重合闸;
Abstract: 针对小电流接地系统故障选线难的问题,提出了一种基于多源信息融合的小电流接地系统故障选线方法.该方法以可能发生故障的线路集合、各线路故障特征集合和各线路故障特征规定的量域作为可拓融合的物元三要素,以故障角的大小为权重,把在小故障角下选线准确的能量选线法和大故障角下选线准确的小波包选线法有效融合,并结合重合闸技术实现了准确选线.仿真结果验证了该方法的有效性和合理性.
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