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RCA method for fault diagnosis in digital substations of power systems

Peng , Piao, Liao, Zhiwei, Wen, Fushuan, & Huang, Jiansheng (2011) RCA method for fault diagnosis in digital substations of power systems. In Proceedings of the International Conference on Evolutionary Computation Theory and Applications and the Proceedings of the International Conference on Fuzzy Computation Theory and Applications, SciTePress, Paris, pp. 370-378.

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Abstract

The authors present a Cause-Effect fault diagnosis model, which utilises the Root Cause Analysis approach and takes into account the technical features of a digital substation. The Dempster/Shafer evidence theory is used to integrate different types of fault information in the diagnosis model so as to implement a hierarchical, systematic and comprehensive diagnosis based on the logic relationship between the parent and child nodes such as transformer/circuit-breaker/transmission-line, and between the root and child causes. A real fault scenario is investigated in the case study to demonstrate the developed approach in diagnosing malfunction of protective relays and/or circuit breakers, miss or false alarms, and other commonly encountered faults at a modern digital substation.

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ID Code: 51307
Item Type: Conference Paper
Additional URLs:
ISBN: 9789898425836
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600)
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 02 Jul 2012 08:41
Last Modified: 13 Jun 2013 00:53

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