PD characteristics and degradation in PET insulation with vented and unvented internal voids

Dipasree Adhikari; Donald Hepburn; Brian Stewart

doi:10.1016/j.epsr.2013.02.012

PD characteristics and degradation in PET insulation with vented and unvented internal voids

Dipasree Adhikari, Donald Hepburn, Brian Stewart

Research output: Contribution to journal › Article

Abstract

Voids in solid insulation give rise to partial discharge (PD). Factors affecting PD activity in internal voids include the type of gas contained, gas pressure and surface properties of the void. Identifying the presence of PD and understanding the measurable parameters may allow improved management of industrial assets. This paper reports on quantifiable and measurable differences in PD activity and material degradation among voids which have vented and unvented channels. To investigate changes in PD activity with void characteristics experiments are carried out using artificial voids created from layered sections of poly(ethylene terephthalate) (PET) polymer.

Original language	English
Pages (from-to)	65-72
Number of pages	8
Journal	Electric Power Systems Research
Volume	100
DOIs	https://doi.org/10.1016/j.epsr.2013.02.012
Publication status	Published - Jul 2013

Keywords

partial discharge (PD)
polymeric insulation
solid insulation
voids

Documents and Links

10.1016/j.epsr.2013.02.012

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Adhikari, D., Hepburn, D., & Stewart, B. (2013). PD characteristics and degradation in PET insulation with vented and unvented internal voids. Electric Power Systems Research, 100, 65-72. https://doi.org/10.1016/j.epsr.2013.02.012

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abstract = "Voids in solid insulation give rise to partial discharge (PD). Factors affecting PD activity in internal voids include the type of gas contained, gas pressure and surface properties of the void. Identifying the presence of PD and understanding the measurable parameters may allow improved management of industrial assets. This paper reports on quantifiable and measurable differences in PD activity and material degradation among voids which have vented and unvented channels. To investigate changes in PD activity with void characteristics experiments are carried out using artificial voids created from layered sections of poly(ethylene terephthalate) (PET) polymer.",

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AB - Voids in solid insulation give rise to partial discharge (PD). Factors affecting PD activity in internal voids include the type of gas contained, gas pressure and surface properties of the void. Identifying the presence of PD and understanding the measurable parameters may allow improved management of industrial assets. This paper reports on quantifiable and measurable differences in PD activity and material degradation among voids which have vented and unvented channels. To investigate changes in PD activity with void characteristics experiments are carried out using artificial voids created from layered sections of poly(ethylene terephthalate) (PET) polymer.

KW - partial discharge (PD)

KW - polymeric insulation

KW - solid insulation

KW - voids

U2 - 10.1016/j.epsr.2013.02.012

DO - 10.1016/j.epsr.2013.02.012

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JF - Electric Power Systems Research

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