Anode melting and evaporation in vacuum interrupters

Victor A. Nevrovsky; A. A. Pertsev; L. A. Rylskaya

doi:10.1117/12.174608

1 May 1994 Anode melting and evaporation in vacuum interrupters

Victor A. Nevrovsky, A. A. Pertsev, L. A. Rylskaya

Proceedings Volume 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum; (1994) https://doi.org/10.1117/12.174608
Event: XVI International Symposium on Discharges and Electrical Insulation in Vacuum, 1994, Moscow-St. Petersburg, Russian Federation

Abstract

A 1D nonstationary model of material melting and evaporation in anode spots of vacuum arc is developed. Calculations of melting and evaporation rates of copper and copper-chromium contacts were carried out and concentration of copper atoms was evaluated when the arc was burning and after its extinguish. The model of anode melting that accompanies its evaporation permits to assess the time of liquid metal film existence at the anode in the ablation approximation of the model.

Citation Download Citation

Victor A. Nevrovsky, A. A. Pertsev, and L. A. Rylskaya "Anode melting and evaporation in vacuum interrupters", Proc. SPIE 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum, (1 May 1994); https://doi.org/10.1117/12.174608

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