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Energies, Vol. 11, Pages 1583: Physiochemical and Electrical Properties of Refined, Bleached and Deodorized Palm Oil under High Temperature Ageing for Application in Transformers

Energies, Vol. 11, Pages 1583: Physiochemical and Electrical Properties of Refined, Bleached and Deodorized Palm Oil under High Temperature Ageing for Application in Transformers

Energies doi: 10.3390/en11061583

Authors: Nur Aqilah Mohamad Norhafiz Azis Jasronita Jasni Mohd Zainal Abidin Ab Kadir Robiah Yunus Zaini Yaakub

This paper presents a high temperature ageing study of refined, bleached, and deodorized palm oil (RBDPO) olein at 170 °C in the presence of air. In total, two types of RBDPO were examined. The physiochemical and dielectric properties of RBDPO were measured and analysed. We found that the moisture and viscosities for both RBDPO increased as the ageing progressed, whereas the acidities fluctuated at very low levels at less than 0.005 mg KOH/g. The ageing on the AC breakdown voltages of both RBDPO were not affected throughout the ageing processes. The dielectric dissipation factors and relative permittivities for both RBDPO increased as the resistivities decreased with the ageing time.

Authors:   Mohamad, Nur Aqilah; Azis, Norhafiz ; Jasni, Jasronita ; Ab Kadir, Mohd Zainal Abidin; Yunus, Robiah ; Yaakub, Zaini
Journal:   Energies
Volume:   11
edition:   6
Year:   2018
Pages:   1583
DOI:   10.3390/en11061583
Publication date:   16-Jun-2018
Facts, background information, dossiers
  • temperature
  • paper
  • moisture
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