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All Journal International Journal of Electrical and Computer Engineering Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Indonesian Journal of Electrical Engineering and Computer Science CORD
Shafiq, Muhammad
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Agriculture, Biological Sciences & Forestry Computer Science & IT Earth & Planetary Sciences Electrical & Electronics Engineering Library & Information Science

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Journal : International Journal of Electrical and Computer Engineering

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Flashover of a polluted high voltage insulator under electric field distribution Abdullah, Zainab; Zainal Abidin, Izham; Osman, Miszaina; Abd. Rahman, Nurulazmi; Shafiq, Muhammad
International Journal of Electrical and Computer Engineering (IJECE) Vol 16, No 3: June 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v16i3.pp1097-1106

Abstract

This study investigates the effect of surface pollution on a single-unit 11 kV glass suspension insulator using two-dimensional (2D) axisymmetric simulations in COMSOL Multiphysics. The developed model incorporates the electrical properties of glass, cement, steel electrodes, surrounding air, and a uniform pollution layer, with an applied AC voltage of 11 kV under quasi-static conditions. Simulation results demonstrate pronounced electric field intensification in the polluted configuration, particularly at the air–glass–cap triple junction region, where localized electrical stress is significantly higher compared to the clean condition. While the clean insulator operates within IEC 60383 recommended limits, the polluted model exhibits elevated peak electric field magnitudes, indicating increased flashover vulnerability. The findings highlight the strong influence of surface contamination, material permittivity, and geometric configuration on electric field distribution along the creepage path. This study establishes a reliable and computationally efficient predictive framework for optimizing insulator design, improving maintenance strategies, and enhancing the long-term reliability of high-voltage transmission systems, especially in pollution-prone environments.
Co-Authors Abd. Rahman, Nurulazmi Abdullah, Zainab Ahmad, Israr Ali, Zulfiqar Ghaffar, Abid Iqbal, M. Z. Manickam, Geethalakshmi MUHAMMAD HARIS Osman, Miszaina Rusliadi Rusliadi Solangi, Abdul Hameed Zainal Abidin, Izham