Influence of metal particles shape on direct current voltage electric properties of nanofluids

Daniar Fahmi*, Muhammad Fadlan Akbar, I. Made Yulistya Negara, I. Gusti Ngurah Satriyadi Hernanda, Dimas Anton Asfani, Risyad Alauddin Zaidan, Arkan Fadhilah

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

It is widely recognized that the application of nanoparticles has the potential to improve the dielectric properties of transformer oil. Nevertheless, there is a scarcity of studies that have utilized pure nanofluids, and in practical applications, it is inevitable for transformer oil to become contaminated. Therefore, this study conducted tests to investigate how the shape and size of metal contaminants impact the dielectric performance of Fe3O4 nanofluids. The findings from the levitation voltage test indicate that as the size and diameter of the particle increase, the levitation voltage value measured also increases, and conversely. Moreover, a higher concentration of nanoparticles leads to a higher measured levitation voltage value. On the other hand, the breakdown voltage test results demonstrate that larger and sharper particles result in lower measured breakdown voltage values, and vice versa.

Original languageEnglish
Pages (from-to)56-66
Number of pages11
JournalInternational Journal of Electrical and Computer Engineering
Volume15
Issue number1
DOIs
Publication statusPublished - Feb 2025

Keywords

  • Breakdown voltage
  • Direct current voltage
  • Fe3O4 Nanofluid
  • Levitation voltage
  • Metal particle contamination

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