Extinction of Short A. C. Arcs Between Brass Electrodes

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Abstract
Results are given which show that the dielectric recovery after current zero, of short, stationary A.C.arcs between brass electrodes, is similar to that of cold-electrode arcs previously investigated and described. These results also show that the rate of recovery of dielectric strength of hot-electrode arcs after a current zero may be greatly increased by reducing, within limits, the electrode separation. A possible explanation on the basis of ionic diffusion to the electrode surfaces and the deionizing action of blasts of metal vapor from the boiling electrodes is mentioned.

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