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All Journal International Journal of Electrical and Computer Engineering TELKOMNIKA (Telecommunication Computing Electronics and Control) Proceeding of the Electrical Engineering Computer Science and Informatics
Z. Adzis
Universiti Teknologi Malaysia
Computer Science & IT Electrical & Electronics Engineering

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Journal : International Journal of Electrical and Computer Engineering

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Partial Discharge Characterization based on Leakage Current Pulses Waveform for Contaminated Glass Insulator String N. A. Othman; M. A. M. Piah; Z. Adzis; Nasir A. Al-geelani
International Journal of Electrical and Computer Engineering (IJECE) Vol 6, No 2: April 2016
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (16.951 KB) | DOI: 10.11591/ijece.v6i2.pp835-843

Abstract

This paper deals with the analysis of partial discharge (PD) occurrences based on leakage current (LC) pulses distribution under different level of contamination. In this work, laboratory based contamination performance tests are conducted on four units of glass insulator string stacked in I-position. Results show that PD can be characterized (according to their occurrence with respect to the AC supply) as follows: corona discharge occurring dominantly in lightly contaminated insulators, surface discharge occurring dominantly in medium contaminated insulators and finally internal discharge occurring dominantly in heavily contaminated insulators. The ability to distinguish the type of PDs from the LC waveform could be used to monitor and predict the condition of the insulator. The outcome can be incorporated in a conditioning monitoring system.
Co-Authors M. A. B Sidik M. A. B. Sidik M. A. M. Azmi M. A. M. Piah M. I. Jambak M. W. Mustafa N. A. Muhamad N. A. Othman Nasir A. Al-geelani S. S. Abd Wahid Y. Z. Arief Z. Nawawi