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The infrared thermography diagnostic technique of high-voltage electrical equipments with internal faults

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1 Author(s)
Niancang Hou ; Thermal Power Res. Inst., Minist. of Electr. Power Ind., Shaanxi, China

Infrared thermography techniques have become an effective way of diagnosing electrical equipment faults. As far as the location of these faults is concerned, they can be divided into internal and external faults. Generally speaking, external faults are simple and internal faults are complex. Therefore, external faults are easily discernible and internal faults are difficult to pinpoint. To find internal faults by means of infrared thermography, one must know the law of internal fault attributes in relation to their infrared thermography characteristics. This paper aims to discuss techniques of diagnosing electrical equipment with internal faults by way of infrared thermography, and to show some typical examples thermographs of electrical equipment with internal faults

Published in:

Power System Technology, 1998. Proceedings. POWERCON '98. 1998 International Conference on  (Volume:1 )

Date of Conference:

18-21 Aug 1998