Pulse sequence analysis on PD data from electrical trees in flexible epoxy resins

Chalashkanov, N. M., Dodd, S. J., Dissado, L. A. & Fothergill, J. (2011). Pulse sequence analysis on PD data from electrical trees in flexible epoxy resins. 2011 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), pp. 776-779. doi: 10.1109/CEIDP.2011.6232771

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Abstract

Pulse Sequence Analysis (PSA) was carried on PD data from electrical trees grown in flexible epoxy resins. The samples used for the electrical tree experiments were conditioned in environments with different relative humidities in the range 15-100% prior to the electrical tests with the corresponding moisture content in the samples between 0.1 and 6.9%. The electrical treeing experiments were carried out at different temperatures in the range 20-70°C. The details of PD dynamics during the electrical tree growth have been found to change significantly with temperature and absorbed moisture. In this paper, it is shown that PSA could be successfully used to discriminate between PD data from electrical trees with different shapes and runaway tree growth.

Item Type: Article
Additional Information: © 2011 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Vice-Chancellor's Portfolio
URI: http://openaccess.city.ac.uk/id/eprint/7072

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