The effects of nonstandard lightning voltage waveshapes on the impulse strength of short air gaps

Chowdhuri, P.; Mishra, A. K.; Martin, P. M.; McConnell, B. W.

doi:10.1109/61.329531

The effects of nonstandard lightning voltage waveshapes on the impulse strength of short air gaps

Conference · Sun Feb 02 04:00:00 EST 1992 · IEEE Transactions on Power Delivery

DOI:https://doi.org/10.1109/61.329531· OSTI ID:10104971

Chowdhuri, P. ^[1]; Mishra, A. K. ^[1]; Martin, P. M. ^[2]; McConnell, B. W. ^[2]

Tennessee Technological University, Cookeville, TN (United States)
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sphere-sphere, rod-rod and rod-plane air gaps, each 5-cm long, were tested with lightning surges of eight voltage waveshapes of both polarities. The critical breakdown voltage of the tested air gaps showed a minima at a certain voltage wavefront. 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 system.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-84OR21400

OSTI ID:: 10104971

Report Number(s):: CONF-920202--2; ON: DE92003530

Conference Information:: Journal Name: IEEE Transactions on Power Delivery Journal Issue: 4 Journal Volume: 9

Country of Publication:: United States

Language:: English

References (16)

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Related Subjects

24 POWER TRANSMISSION AND DISTRIBUTION
240300
661300
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
AIR
BREAKDOWN
ELECTRIC DISCHARGES
ELECTRICAL INSULATORS
LIGHTNING
OTHER ASPECTS OF PHYSICAL SCIENCE
OVERVOLTAGE
POWER TRANSMISSION LINES
POWER TRANSMISSION LINES AND CABLES
SIMULATION
SPARK GAPS
SURGES
WAVE FORMS
air gaps
impulse strength
lightning

The effects of nonstandard lightning voltage waveshapes on the impulse strength of short air gaps

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References (16)

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