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Development of palm - based neopentyl glycol diester as dielectric fluid and its thermal aging performance

Abdul Raof, Nurliyana and Rashid, Umer and Yunus, Robiah and Azis, Norhafiz and Yaakub, Zaini (2016) Development of palm - based neopentyl glycol diester as dielectric fluid and its thermal aging performance. IEEE Transactions on Dielectrics and Electrical Insulation, 23 (4). pp. 2051-2058. ISSN 1070-9878; ESSN: 1558-4135

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Abstract

The potential of palm-based neopentyl glycol diester as dielectric insulating fluid was investigated. The details of the transesterification of high oleic palm oil methyl ester (POME) with neopentyl glycol (NPG) with the final product yield of more than 90 wt% of NPG diester were discussed. The thermal aging performance of NPG diester was compared with conventional mineral insulating oil at 90, 110 and 130 °C. This paper focused mainly in the effects of aging to chemical, physical and electrical properties of NPG diester. Apart from being fully biodegradable and non-toxic, the synthesized diesters exhibited high flashpoint and the breakdown voltage was comparable to mineral oil. The result indicated that throughout the aging period, NPG diester exhibited lower acid value than mineral oil and no significant change in viscosity was observed. The study on mechanical properties of insulating paper aged in NPG diester shows higher tensile strength than paper aged in mineral oil. The synthesized esters have shown great potential to be used as transformer oil.

Item Type:Article
Keyword:Breakdown voltage; Insulating oil; Transformers; Thermal aging; Kraft paper; Palmbased ester; Mineral oil
Faculty or Institute:Faculty of Engineering
Institute of Advanced Technology
Publisher:Institute of Electrical and Electronics Engineers
DOI Number:10.1109/TDEI.2016.7556478
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1109/TDEI.2016.7556478
ID Code:55501
Deposited By: Mohd Hafiz Che Mahasan
Deposited On:13 Sep 2017 18:23
Last Modified:13 Sep 2017 18:23

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