Streamers in pulsed positive corona: low and high current regimes

L.R. Grabowski, T.M.P. Briels, E.M. Veldhuizen, van, A.J.M. Pemen

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Samenvatting

Streamers are observed with a CCD camera in point-plane and wire-plane configurations. Two pulsed power supplies are compared: a spark-gap switched capacitor (C-supply) and a system with a transmission line transformer (TLT-supply). At 40 kV the C-supply gives ~1 A current and the TLT-supply 60 A, due to better impedance matching in the second case. At low currents the streamers are thin (~0.3 mm) and show a lot of branching. At high current the streamers are thick (~5 mm), nevertheless in both cases the current density is the same in both regimes, ~1 A/mm2. The influence of dielectric layers and a layer of water above the cathode is also shown.
Originele taal-2Engels
TitelProceedings of the 27th International Conference on Phenomena in Ionised Gases (XXVII ICPIG 2005) 18-22 July 2005, Eindhoven, the Netherlands
RedacteurenE.M. Veldhuizen, van
Plaats van productieEindhoven
UitgeverijEindhoven University of Technology
Pagina's04-425-1/4
StatusGepubliceerd - 2005
Evenement27th International Conference on Phenomena in Ionized Gases (ICPIG 2005) - Eindhoven, Nederland
Duur: 17 jul. 200522 jul. 2005

Congres

Congres27th International Conference on Phenomena in Ionized Gases (ICPIG 2005)
Verkorte titelICPIG 2005
Land/RegioNederland
StadEindhoven
Periode17/07/0522/07/05
Ander27th International Conference on Phenomena in Ionised Gases : ICPIG 2005, Eindhoven

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