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Easy Evaluation of Streamer Discharge Criteria

G. Eriksson1
1ABB, Corporate Research, Västerås, Sweden

Field lines satisfying the streamer propagation condition for discharges starting from the positive electrode.

An easily implemented method is devised, where analytical criteria for the occurrence of streamer discharges in strong electric fields are evaluated. This is highly useful when designing high voltage power transmission systems and components where the insulation is provided by a gas, e.g. air or SF6.

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