Fault Diagnosis of MOVA Based on Evidence Theory

Ai Hua Zhou; Hong Song; Yu Fang; Zheng Wei Chang

doi:10.4028/www.scientific.net/AMM.556-562.2685

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 556-562Fault Diagnosis of MOVA Based on Evidence Theory

Fault Diagnosis of MOVA Based on Evidence Theory

Abstract:

The health of MOVA is very important for power system reliability and insulation coordination studies.MOVA is subjected to different kinds of stresses in services, which will cause degradation at early stage or in the long run.This paper present evidence theory for fault diagnosis of MOVA. Evidence theory can simultaneously analyze information from different sources,draw comprehensive conclusions,reduce single information misjudgment. In this paper, resistive leakage current and infrared imaging make up two types of evidence body for judge. Analysis of experimental data shows that this method can effectively detect early fault of the MOVA.

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Periodical:

Applied Mechanics and Materials (Volumes 556-562)

Pages:

2685-2688

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.556-562.2685

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Online since:

May 2014

Authors:

Ai Hua Zhou*, Hong Song, Yu Fang, Zheng Wei Chang

Keywords:

Evidence Combination, Evidence Theory, Fault Diagnosis, MOVA

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