Distribution system fault identification by mapping of characteristic vectors

D.T. W. Chan; C.Z. Lu

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Distribution system fault identification by mapping of characteristic vectors

机译：通过特征向量映射识别配电系统故障

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摘要

A new fault-locating scheme using the concept of characteristic vector is proposed. Utilizing digital overcurrent (O/C) relays, the proposed scheme can locate either a bus fault or a feeder fault by mapping corresponding fault current vector with the characteristic vectors in a pre-built database. By updating the characteristic vector database, the proposed scheme can be applied to the changed system as well, thereby achieving adaptive feature. No complex optimization technique is required. A simplified distribution system is employed to test the proposed scheme and its adaptive aspect. Test results show that the scheme has very good performance.

机译：提出了一种利用特征向量的概念进行故障定位的新方案。利用数字过流（O / C）继电器，通过将对应的故障电流向量与特征向量映射到预先建立的数据库中，提出的方案可以定位总线故障或馈线故障。通过更新特征向量数据库，所提出的方案也可以应用于改变后的系统，从而实现自适应特征。不需要复杂的优化技术。采用简化的分配系统来测试所提出的方案及其自适应方面。测试结果表明该方案具有很好的性能。

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来源
《Electric power systems research》 |2001年第1期|p.15-23|共9页
作者
D.T. W. Chan; C.Z. Lu;
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作者单位

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类理论与分析;发电、发电厂;
关键词
Digital overcurrent relay; Fault identification; Characteristic vectors;

机译：数字式过电流继电器;故障识别;特征向量;

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Distribution system fault identification by mapping of characteristic vectors

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