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Journal International Association on Electricity Generation, Transmission and Distribution
Year : 2020, Volume : 33, Issue : 1
First page : ( 20) Last page : ( 27)
Print ISSN : 2250-012X. Online ISSN : 2229-4449.

Innovative way of Understanding Test Results Obtained by DGA Test of power Transformers based on iEEE & iEC Standards

Dr. Arora Rajesh Kumar

Delhi Transco Limited

Online published on 6 February, 2020.

Abstract

The transformer, being a key element in the transmission and distribution of electrical energy, improving its reliability is of utmost importance. System abnormalities, loading, switching and ambient condition normally contributes towards accelerated aging and sudden failure. Hence, it is, all the more essential, to employ continuous monitoring techniques and on-site diagnostics followed by quality maintenance for having trouble-free and reliable operation with minimum outages. This paper provides an overview of the latest condition monitoring, diagnosis technologies and detail of DGA testing & its interpretation using innovative method as per IEEE and IEC standards.

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Keywords

Dissolved Gases Analysis (DGA), Power Transformer, Transformer Oil Sampling, TDCG (Total Dissolved Combustible Gases).

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