Change in partial discharge characteristics by tree propagation from an artificial-simulated tree channel

M Nishizaka,H Kawabata,C.-S Kim,T Mizutani

doi:10.1109/icpadm.2003.1218564

Change in partial discharge characteristics by tree propagation from an artificial-simulated tree channel

M Nishizaka, H Kawabata + Show 2 more

https://doi.org/10.1109/icpadm.2003.1218564

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Publication Date: Jun 1, 2003

Citations: 1

Affiliation: Nagoya University

#Partial Discharge #Partial Discharge Characteristics + Show 8 more

Abstract
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Abstract

In order to clarify the mechanisms of partial discharge (PD) and tree degradation, PD characteristics of an artificially-simulated tree channel in a low-density polyethylene (LDPE) were investigated. PD characteristics of an artificial channel remarkably changed after the inception of very small trees from its tip. This indicates the change in PD mechanism by the tree inception. The PD characteristics of an artificial channel with diameter of 30 /spl mu/m were similar to those of a tree. On the other hand, an artificial channel with diameter of 100 /spl mu/m showed PD characteristics similar to a void. PD characteristics strongly depended on channel diameter. From these results, the mechanisms of PD in a tree channel and tree propagation were discussed.

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