Abstract

Corona discharge is always a sign of failure processes of high-voltage electrical apparatus, including those utilized in electric railway systems. Solar-blind ultraviolet (UV) cameras are effective tools for corona inspection. In this work, we present an automatic railway corona-discharge detection system based on solar-blind ultraviolet detection. The UV camera, mounted on top of a train, inspects the electrical apparatus, including transmission lines and insulators, along the railway during fast cruising of the train. An algorithm based on the Hough transform is proposed for distinguishing the emitting objects (corona discharge) from the noise. The detection system can report the suspected corona discharge in real time during fast cruises. An experiment was carried out during a routine inspection of railway apparatus in Xinjiang Province, China. Several corona-discharge points were found along the railway. The false-alarm rate was controlled to less than one time per hour during this inspection.

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  1. V. M. Moreno and R. S. GorurEffect of long-term corona on non-ceramic outdoor insulator housing materialsIEEE Transactions on Dielectrics and Electrical Insulation200181117128
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  6. EPRIGuide to corona and arcing inspection of substations2002
  7. EPRIGuide to corona and arcing inspection of overhead transmission lines2002
  8. X. Li, C. Zhu, X. Zhu, Z. Xu, X. Zhuang, X. Ji, and F. YanBackground limited ultraviolet photodetectors of solar-blind ultraviolet detectionApplied Physics Letters201310317171110
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  12. Steve W. Yankowich and M. FarooqHough transform based multisensor, multitarget, track initiation techniqueOptical Engineering199837720642077
  13. L. R. Moyer, J. Spak, and P. LamannaA Multi-dimensional hough transform-based track-before-detect technique for detecting weak targets in strong clutter backgroundsIEEE Transactions on Aerospace and Electronic Systems201147430623068
  14. B. R. Sandel and A. L. BroadfootStatistical performance of the intensified charged coupled deviceAppl. Opt.1986252241354140
  15. M. A. SartorCharacterization and modeling of microchannel plate intensified charge coupled device signal to noise ratio variations with image sizeThe University of Arizona1992

Other (15)

V. M. Moreno and R. S. GorurEffect of long-term corona on non-ceramic outdoor insulator housing materialsIEEE Transactions on Dielectrics and Electrical Insulation200181117128

A. J. Phillips, D. J. Childs, and H. M. SchneiderAging of nonceramic insulators due to corona from water dropsIEEE Transactions on Power Delivery199914310811089

B. Pinnangudi, R. S. Gorur, and A. J. KroeseQuantification of corona discharges on nonceramic insulatorsIEEE Transactions on Dielectrics and Electrical Insulation2005123513523

M. Lindner, S. Elstein, P. Lindner, J. M. Topaz, and A. J. PhillipsDaylight corona discharge imagerHigh Voltage Engineering, 1999. Eleventh International Symposium on1999344349352Conf. Publ. No. 467

M. B. Lindner, S. Elstein, and P. LindnerSolar blind and bispectral imaging with ICCD, BCCD, and EBCCD camerasSpies International Symposium on Optical Science199834342231

EPRIGuide to corona and arcing inspection of substations2002

EPRIGuide to corona and arcing inspection of overhead transmission lines2002

X. Li, C. Zhu, X. Zhu, Z. Xu, X. Zhuang, X. Ji, and F. YanBackground limited ultraviolet photodetectors of solar-blind ultraviolet detectionApplied Physics Letters201310317171110

P. V. C H.Method and means for recognizing complex patternsGoogle Patents1962

R. O. Duda and P. E. HartUse of the hough transformation to detect lines and curves in picturesCommun. ACM19721511115

B. D. Carlson, E. D. Evans, and S. L. WilsonSearch radar detection and track with the Hough transform. III. Detection performance with binary integrationIEEE Transactions on Aerospace and Electronic Systems1994301116125

Steve W. Yankowich and M. FarooqHough transform based multisensor, multitarget, track initiation techniqueOptical Engineering199837720642077

L. R. Moyer, J. Spak, and P. LamannaA Multi-dimensional hough transform-based track-before-detect technique for detecting weak targets in strong clutter backgroundsIEEE Transactions on Aerospace and Electronic Systems201147430623068

B. R. Sandel and A. L. BroadfootStatistical performance of the intensified charged coupled deviceAppl. Opt.1986252241354140

M. A. SartorCharacterization and modeling of microchannel plate intensified charge coupled device signal to noise ratio variations with image sizeThe University of Arizona1992

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