Volt-time characteristics of short air gaps under nonstandard lightning voltage waves

The volt-time characteristics of 5-cm long rod-plane and rod-rod air gaps were experimentally determined with five different waveshapes of the applied impulse voltage. The front time of the waves was varied from 25 ns to 10 /spl mu/s, and the time to half value was varied from 0.5 ps to 100 ps. The...

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Veröffentlicht in:	IEEE Transactions on Power Delivery 1997-01, Vol.12 (1), p.470-476
Hauptverfasser:	Chowdhuri, P., Mishra, A.K., McConnell, B.W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Air gaps Aluminum Applied sciences Breakdown voltage Connection and protection apparatus Delay effects Dielectrics Electrical engineering. Electrical power engineering ELECTRICAL INSULATION ELECTRICAL TRANSIENTS Exact sciences and technology Impulse testing LIGHTNING OVERVOLTAGE Power system transients POWER SYSTEMS POWER TRANSMISSION AND DISTRIBUTION Spark gaps Student members SURGES
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Beschreibung
Zusammenfassung:	The volt-time characteristics of 5-cm long rod-plane and rod-rod air gaps were experimentally determined with five different waveshapes of the applied impulse voltage. The front time of the waves was varied from 25 ns to 10 /spl mu/s, and the time to half value was varied from 0.5 ps to 100 ps. The volt-time characteristics were also checked analytically using the concept of disruptive effect. The parameters for the disruptive effect were experimentally determined.
ISSN:	0885-8977 1937-4208
DOI:	10.1109/61.568273