Investigation on Equipment Failure Mode and Causes Using Infra-Red Thermovision Camera Images for High Voltage Electrical Connection

Amir Hamzah Osman; Zuraimy Adzis; Yanuar Z. Arief; Nor Asiah Muhamad

doi:10.4028/www.scientific.net/AMM.818.86

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 818Investigation on Equipment Failure Mode and Causes...

Investigation on Equipment Failure Mode and Causes Using Infra-Red Thermovision Camera Images for High Voltage Electrical Connection

Abstract:

High voltage (HV) electrical connection hot spot scanning and monitoring is important to ensure the availability, continuity and reliability of electrical supply. The aim of this research work is to investigate HV electrical connection apparatus using infra-red thermovision camera. A database of hot spot images from infra-red thermovision scanning is needed to perform an analysis to ascertain the mode and causes of the hot spot. Eight numbers of Tenaga Nasional Berhad’s (TNB) main intakes (PMU) with different location, environment type, and load were selected to get various data to be formed a hot spot database. The database consist of HV electrical apparatus scanning image using infra-red thermovision camera to investigate the hot spot temperature reading, location and bay in dedicated PMU. The data collected from year 2010 until 2013 were analyzed to ascertain the failure modes of the HV electrical connection apparatus according to TNB condition monitoring unit standards. All objectives were achieved by performing the database, equipment failure mode and causes were ascertained are related to the load (MW) and bad workmanship during erection process. Connection apparatus with high hot spot reading were investigated, repaired or taken out from services if damage, and replaced. Solutions were proposed on the damage electrical HV electrical connection apparatus depends on the source of the problem.

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Periodical:

Applied Mechanics and Materials (Volume 818)

Pages:

86-90

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.818.86

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Online since:

January 2016

Authors:

Amir Hamzah Osman, Zuraimy Adzis, Yanuar Z. Arief*, Nor Asiah Muhamad

Keywords:

Equipment Failure Mode, High Voltage Electrical Connection, Hot Spot Scanning, Infra-Red Thermovision Camera

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* - Corresponding Author

References

[1] TNB Transmission CMU (Condition Monitoring Unit) guideline Rev 3. 0. (September 2013).

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[2] IEEE Std C57. 134-2000. Guide for Determination of Hottest-Spot Temperature in Dry-Type Transformers byTransformers Committee of the IEEE Power Engineering Society.

DOI: 10.1109/ieeestd.2014.6712026

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[3] FLIR System, Infra-red thermo scanning, operation and manual, FLIR Systems Co. Ltd., (2000).

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