Electrical Breakdown Analysis of Emerging Oil–Paper Insulation Systems

Yue Xu; Soori Tejaswi; Kent Davey; Qian Zhang; Vaibhav Bahadur; Junyong Zhu; Robert Hebner; Zhedong Han; Felix Lin; Liangbing Hu

doi:10.1049/hve2.70181

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Electrical Breakdown Analysis of Emerging Oil–Paper Insulation Systems

更新时间：2026-10-08

- Electrical Breakdown Analysis of Emerging Oil–Paper Insulation Systems
- High Voltage Vol. 11, Issue 4, (2026)
- 作者机构：
  
  1. Center for Electromechanics, The University of Texas at Austin,Texas,Austin,USA
  2. Walker Department of Mechanical Engineering, University of Texas at Austin,Texas,Austin,USA
  3. Department of Electrical and Computer Engineering, Yale University,Connecticut,New Haven,USA
  4. .S. Department of Agriculture (USDA) Forest Products Laboratory, Madison,Wisconsin,U,USA
  5. Department of Materials Science and Engineering, University of Maryland, College Park,Maryland,USA
- 作者简介：
- 基金信息：
- DOI：10.1049/hve2.70181
  CLC：
- Published：2026
- 稿件说明：
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Yue Xu, Soori Tejaswi, Kent Davey, et al. Electrical Breakdown Analysis of Emerging Oil–Paper Insulation Systems[J]. High Voltage, 2026, 11(4).
DOI：

Yue Xu, Soori Tejaswi, Kent Davey, et al. Electrical Breakdown Analysis of Emerging Oil–Paper Insulation Systems[J]. High Voltage, 2026, 11(4). DOI： 10.1049/hve2.70181.

摘要

Abstract

This investigation addresses the effect of particulate additives on the electrical breakdown strength of the oil impregnated insulation paper system. The morphological complexity is addressed by converting data from scanning electron microscope images to a data set suitable for numerical simulation analysis. Then

by using the conventional oil-triggered breakdown assumption

the breakdown strength of the proposed hybrid insulation system was calculated. As a result

it demonstrates that the introduction of particles can redefine the electric field distribution in the hybrid insulation system under study. Consequently

a higher applied voltage is needed for the electrical breakdown to occur in the hybrid system with proper selection and addition of particles. This analysis method builds on the existing understanding of the electrical breakdown phenomena for oil impregnated insulation paper system

explains recent experimental data and supports improvements of material design in the future.

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