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Energies 2016, 9(12), 1092; doi:10.3390/en9121092

A Fault-Tolerant Location Approach for Transient Voltage Disturbance Source Based on Information Fusion

1
College of Information Engineering, Zhejiang University of Technology, Hangzhou 310023, China
2
Department of Electrical, Computer, and Biomedical Engineering, University of Rhode Island, Kingston, RI 02881, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Silvio Simani
Received: 15 July 2016 / Revised: 15 November 2016 / Accepted: 14 December 2016 / Published: 20 December 2016
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Abstract

This paper proposed a fault-tolerant approach based on information fusion (IF) to automatically locate the transient voltage disturbance source (TVDS) in smart distribution grids. We first defined three credibility factors that will influence the reliability of the direction-judgments at each power quality monitor (PQM). Then we proposed two rules of influence and a verification factor for the distributed generation (DG) integration. Based on the two sets of direction-judgment criteria, a novel decision-making method with fault tolerance based on the IF theory is proposed for automatic location of the TVDS. Three critical schemes, including credibility fusion, conflict weakening, and correction for DG integration, have been integrated in the proposed fusion method, followed by a reliability evaluation of the location results. The proposed approach was validated on the IEEE 13-node test feeder, and the TVDS location results demonstrated the effectiveness and fault tolerance of the IF based approach. View Full-Text
Keywords: transient voltage disturbance source; automatic location; direction-judgment; fault tolerance; DG integration; information fusion transient voltage disturbance source; automatic location; direction-judgment; fault tolerance; DG integration; information fusion
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Weng, G.; Huang, F.; Yan, J.; Yang, X.; Zhang, Y.; He, H. A Fault-Tolerant Location Approach for Transient Voltage Disturbance Source Based on Information Fusion. Energies 2016, 9, 1092.

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