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primary topic: In-Service Transformer Oil Regeneration Based on Laboratory-Scale Process

In-Service Transformer Oil Regeneration Based on Laboratory-Scale Process
type: AcademicArticle
type: Article
abstract: This paper described in-laboratory oil regeneration process of aged transformer oil using adsorbent; Fuller’s earth. The niche of this paper is the usage of real aged transformer oil taken from an 11kV/433V in-service power transformer made by ACEC Transformer in 1986. The regeneration process is achieved by forcing a mixture of aged transformer oil and Fuller’s earth through a filter paper with the aid of a vacuum pump, hence producing reclaimed transformer oil. This oil was then inserted in an amber glass bottle, blanketed with nitrogen, tightly sealed, and labelled. To test the effectiveness of Fuller’s earth as adsorbent, parameters of Dissolved Decay Product (DDP) were measured using UV-Visible Spectrophotometer (UV-Vis) by referring to ASTM D6802. In addition, Total Acid Number (TAN) and Breakdown Voltage (BdV) measurement were carried out complying the ASTM D974 and ASTM D1816 respectively. Results of UV-Vis indicated that Fuller’s earth can adsorbed 25.24 of DDP in aged transformer oil. As the DDP decreased, TAN is 84.62 reduced while BdV increased 50. These findings are parallel with the breakdown voltage mechanism due to acidity emergence. It is proved that Fuller’s earth is effective adsorbent for oil regeneration process. © 2021. PENERBIT AKADEMIA BARU - All rights reserved.
date: 2020
volume: 79
issue: 1
is part of: Journal of Advanced Research in Fluid Mechanics and Thermal Sciences
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository

Penerbit Akademia Baru
type: Organization

Journal of Advanced Research in Fluid Mechanics and Thermal Sciences
type: Collection
issn: 22897879

Asimi Ana Ahmad
type: Person
given name: Asimi Ana
family name: Ahmad

Mohd Shahril Ahmad Khiar
type: Person
given name: Mohd Shahril Ahmad
family name: Khiar

Norazhar Abu Bakar
type: Person
given name: Norazhar Abu
family name: Bakar

Aminur Hazieq Zulkefli
type: Person
given name: Aminur Hazieq
family name: Zulkefli

Imran Sutan Chairul
type: Person
given name: Imran Sutan
family name: Chairul

Sharin Ab Ghani
type: Person
given name: Sharin Ab
family name: Ghani

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primary topic: In-Service Transformer Oil Regeneration Based on Laboratory-Scale Process