Abstract
The conditions of transition from a unipolar ac arc to a bipolar arc were studied. The observed relationships are explained on the basis of the thermal theory of arcs. The use of a unipolar double arc for achieving strict unipolar operation is suggested.
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Shvartsberg, P.M., Korzh, P.D. Reverse currents in a unipolar arc. J Appl Spectrosc 6, 90–93 (1967). https://doi.org/10.1007/BF00604325
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DOI: https://doi.org/10.1007/BF00604325