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Comparison of the AWA lumped-circuit model of electrical discharges with empirical data

Journal Article · · IEEE Transactions on Plasma Science (Institute of Electrical and Electronics Engineers); (USA)
DOI:https://doi.org/10.1109/27.61520· OSTI ID:5755032
;  [1];  [2]
  1. Los Alamos National Lab., NM (USA)
  2. Montana State Univ., Bozeman, MT (USA). Dept. of Physics

The authors compare experimental data for three 1.7-m-long transient discharges with an AWA lumped- circuit discharge model in which the arc resistance is taken from the Arc Welder's Ansatz, R{sub a} = V*/{vert bar}I {vert bar}, where V* is a positive constant and I is the discharge current. In addition to the arc resistance, there is a small series resistance R present in the external circuit. A single value for each of R and V* is deduced from the data, and these values are used to characterize all three discharges. Adequate agreement with the experimental data is obtained; for example, the authors predict the proper number of current reversals for each discharge and abrupt termination of current flow after a finite time. The authors suggest that the AWA lumped circuit provides a better representation of the data than a standard lumped-circuit RLC model and hence is more useful as a tool for prediction and interpretation of discharges.

OSTI ID:
5755032
Journal Information:
IEEE Transactions on Plasma Science (Institute of Electrical and Electronics Engineers); (USA), Journal Name: IEEE Transactions on Plasma Science (Institute of Electrical and Electronics Engineers); (USA) Vol. 18:6; ISSN 0093-3813; ISSN ITPSB
Country of Publication:
United States
Language:
English