Insulation Characteristics of GFRP Crossarm Subjected to Lightning Impulse Testing

19 Oct 2022
09:00
Munich Conference Room

Insulation Characteristics of GFRP Crossarm Subjected to Lightning Impulse Testing

Worldwide application of glass fibre-reinforced plastic composite crossarms requires further understanding and improvement in this material, which is exposed to local climate and pollution. Attention has focused on lightning and impact of resulting transient overvoltages. This presentation presents results of lightning impulse testing on GFRP crossarm samples that show external insulation strength reduces gradually with length. Observation post-breakdown shows that mechanical strength of the material can be jeopardized.

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