Fundamental study on application of the nanocomposite to an electrical rotating machine

Kotaro Mura, Toshihiro Tsuda, Tetsuo Yoshimitsu, Takuya Onishi, Shuichiro Hashimoto, Takanobu Watanabe

Research output: Contribution to journalArticlepeer-review

Abstract

Nano composite (NC) materials have a great potential to improve characteristics of electrical rotating machinery insulation systems. In order to understand the contribution of the NC materials on the insulation characteristics, a fundamental study which used semi-conductor field technologies is shown in this paper. The thin NC film is formed on a silicon substrate by a spin coating method. The silica particle dispersion in epoxy is analyzed by SEM. Furthermore, the insulation breakdown is measured and the nanoscale breakdown spots are investigated by STM. The results show that a NC which has a potential of actual application is developed and that the nanoscale method seems to be effective for evaluating NC materials.

Original languageEnglish
Pages (from-to)645-651
Number of pages7
JournalIEEJ Transactions on Fundamentals and Materials
Volume137
Issue number11
DOIs
Publication statusPublished - 2017

Keywords

  • Electrical treeing
  • Nano composite
  • Rotating electrical machine
  • STM
  • Sem

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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