Oil-Immersed Power Transformer Condition Monitoring Methodologies: A Review

Lan Jin, Dowon Kim, Ahmed Abu-Siada and Shantanu Kumar
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Lan Jin: School of Electrical Engineering, Computing, Mathematical Sciences, Curtin University, Perth, WA 6845, Australia
Dowon Kim: School of Electrical Engineering, Computing, Mathematical Sciences, Curtin University, Perth, WA 6845, Australia
Ahmed Abu-Siada: School of Electrical Engineering, Computing, Mathematical Sciences, Curtin University, Perth, WA 6845, Australia
Shantanu Kumar: BHP, Perth, WA 6000, Australia

Energies, 2022, vol. 15, issue 9, 1-32

Abstract: A power transformer is one of the most critical and expensive assets in electric power systems. Failure of a power transformer would not only result in a downtime to the entire transmission and distribution networks but may also cause personnel and environmental hazards due to oil leak and fire. Hence, to enhance a transformer’s reliability and extend its lifespan, a cost-effective and reliable condition monitoring technique should be adopted from day one of its installation. This will help detect incipient faults, extend a transformer’s operational life, and avoid potential consequences. With the global trend to establish digital substation automation systems, transformer online condition monitoring has been given much attention by utilities and researchers alike. Several online and offline condition monitoring techniques have been recently proposed for oil-immersed power transformers. This paper is aimed at providing a state-of-the-art review for the various condition monitoring technologies used for oil-immersed power transformers. Concept of measurements and analysis of the results along with the future trend of condition monitoring techniques are presented.

Keywords: oil-immersed power transformer; condition monitoring; asset management; transformer failure; operational life estimation (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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