Partial Discharge Behaviour and the Movement of Two Different Shapes of Metal Particle in Mineral Oil

  • Kiasatina Azmi
  • Dahaman Ishak
  • Ahmad Zuhairi
  • Mohamad Kamarol Mohd JamilEmail author
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 547)


Partial discharge (PD) due to different shapes of free metal particle in mineral oil has been measured in order to study the PD behaviour induce by metal particle in mineral oil. PD under influence of spherical metal particle has been compared with cylindrical metal particle under AC applied voltage in various gaps. Partial discharge inception voltage (PDIV) for both shapes of metal particle appeared to increase with increasing of gaps. PDIV of cylindrical metal particle demonstrate a lower value compared to spherical metal particle with increasing gaps. PD due to sphere shape metal particle revealed to be less compared to PD due to cylinder shape metal particle. The observation on spherical and cylindrical metal particle movement revealed that there were different stages of motion process involved. The electric field distribution analysis shows a consistency with PDIV results. Shape of metal particle revealed to influence the PD behaviour in mineral oil.


Partial discharge Spherical metal particle Cylindrical metal particle Mineral oil Transformer 



The author is deeply indebted to Malaysia Ministry of Higher Education and Universiti Sains Malaysia for financially support this work under MyPhD scholarship and Research University Grant (1001/PELECT/814232).


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Kiasatina Azmi
    • 1
  • Dahaman Ishak
    • 1
  • Ahmad Zuhairi
    • 2
  • Mohamad Kamarol Mohd Jamil
    • 1
    Email author
  1. 1.School of Electrical and Electronic EngineeringUniversiti Sains MalaysiaNibong TebalMalaysia
  2. 2.School of Chemical EngineeringUniversiti Sains MalaysiaNibong TebalMalaysia

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