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Space charge distribution and leakage current pulses for contaminated glass insulator strings in power transmission lines

Othman, Nordiana Azlin and Mohamed Piah , Mohamed Afendi and Adzis, Zuraimy (2016) Space charge distribution and leakage current pulses for contaminated glass insulator strings in power transmission lines. IET Generation, Transmission & Distribution. pp. 1-7. ISSN 17518687

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Abstract

This study reports an investigation on space charge distribution and leakage current (LC) pulses of four units of glass insulators recently removed from service. Simulation works were conducted using finite element software and validated by laboratory experiments. The simulation and experimental results were found to be in good agreement when studying the space charge distribution pattern along the glass insulator string. It is evident that the LC waveform can be used to characterise the types of partial discharge according to their occurrence with respect to the AC supply. Thus, the proposed method is viable and reliable to be applied in an online measurement system.

Item Type: Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK3001-3521 Distribution or transmission of electric power
Divisions: Faculty of Electrical and Electronic Engineering > Department of Electrical Power Engineering
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 13 Aug 2018 03:24
Last Modified: 13 Aug 2018 03:24
URI: http://eprints.uthm.edu.my/id/eprint/8906
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