Discharge characteristics to insulated material

Lightning strikes not only metallic objects such as transmission towers and lightning rods but also insulated material such as blades of wind turbines. The discharge characteristics of insulated material are, however, not clarified till now. In this paper, discharge characterisitics of insulated mat...

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Bibliographic Details
Published in:IEEJ transactions on electrical and electronic engineering 2007-11, Vol.2 (6), p.660-661
Main Authors: Shindo, Takatoshi, Asakawa, Akira, Matsu-ura, Susumu, Miki, Megumu
Format: Article
Language:English
Subjects:
Electric potential
insulating material
Insulation
lightning
Lightning strikes
Polarity
Pollution abatement
sparkover
Transmission towers
Voltage
wind turbine
Wind turbines
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Summary:Lightning strikes not only metallic objects such as transmission towers and lightning rods but also insulated material such as blades of wind turbines. The discharge characteristics of insulated material are, however, not clarified till now. In this paper, discharge characterisitics of insulated material have been investigated experimentally using a 12‐MV impulse generator. The effects of polarities of the applied voltages and surface conditions of the insulation material are also studied and it is found that pollution on the surface decreases the sparkover voltage drastically. Copyright © 2007 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
ISSN:1931-4973
1931-4981
DOI:10.1002/tee.20223