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

Guoqing Weng, Feiteng Huang, Jun Yan, Xiaodong Yang, Youbing Zhang and Haibo He
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Guoqing Weng: College of Information Engineering, Zhejiang University of Technology, Hangzhou 310023, China
Feiteng Huang: College of Information Engineering, Zhejiang University of Technology, Hangzhou 310023, China
Jun Yan: Department of Electrical, Computer, and Biomedical Engineering, University of Rhode Island, Kingston, RI 02881, USA
Xiaodong Yang: College of Information Engineering, Zhejiang University of Technology, Hangzhou 310023, China
Youbing Zhang: College of Information Engineering, Zhejiang University of Technology, Hangzhou 310023, China
Haibo He: Department of Electrical, Computer, and Biomedical Engineering, University of Rhode Island, Kingston, RI 02881, USA

Energies, 2016, vol. 9, issue 12, 1-23

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.

Keywords: transient voltage disturbance source; automatic location; direction-judgment; fault tolerance; DG integration; information fusion (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
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