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The response of a high voltage transformer with various geometries of core joint design

Alyozbaky, Omar Sh. and Mohd Isa, Maryam and Ab Kadir, Mohd Zainal Abidin and Izadi, Mahdi (2017) The response of a high voltage transformer with various geometries of core joint design. Pertanika Journal of Science & Technology, 25 (spec. Feb.). pp. 21-28. ISSN 0128-7680; ESSN: 2231-8526

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Abstract

The core losses in a three phase transformer can be significantly reduced by improving the core joint geometry. The researchers were applied numerous types of T-joint designs in order to reach the optimum design that can be used in three phase transformer to reduction the losses. Two types of T-joint design are presented in this paper; T-joint with 90° butt-lap design and T-joint with 45° mitered design. A 3-phase distribution transformer was simulated in 3D using Ansys Maxwell software. The core loss for a three-leg three phase transformer rated 1000 KVA and the flux density distribution are investigated. The simulation results show the core losses were increased up to 3% and the flux density was increased to reach more than 22% flux density become higher when using T-joint with 90° butt-lap design as compared with T-joint with 45° mitered design.

Item Type:Article
Keyword:Core loss; Power transformer; Joints design; Flux distribution
Faculty or Institute:Faculty of Engineering
Publisher:Universiti Putra Malaysia Press
ID Code:55884
Deposited By: Nabilah Mustapa
Deposited On:30 Jun 2017 17:50
Last Modified:05 Jul 2017 11:36

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