The effects of nonstandard lightning voltage waveshapes on the impulse strength of short air gaps
Journal Article
·
· IEEE Transactions on Power Delivery (Institute of Electrical and Electronics Engineers); (United States)
- Tennessee Technological Univ., Cookeville, TN (United States)
- Oak Ridge National Lab., TN (United States)
Sphere-sphere, rod-rod and rod-plane air gaps, each 5-cm long, were tested with lightning surges of eight voltage waves of both polarities. The critical breakdown voltage levels of the tested air gaps attained a minimum plateau within specific range of wavefronts of the lightning surges. Long time delays of breakdown for the fast-front and short time delays for the slow-front waves were observed. These phenomena would significantly affect the insulation coordination of the power apparatus and systems.
- OSTI ID:
- 6868507
- Journal Information:
- IEEE Transactions on Power Delivery (Institute of Electrical and Electronics Engineers); (United States), Journal Name: IEEE Transactions on Power Delivery (Institute of Electrical and Electronics Engineers); (United States) Vol. 9:4; ISSN 0885-8977; ISSN ITPDE5
- Country of Publication:
- United States
- Language:
- English
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