Patent ID: 8618435
Filing Date: 2013-12-31
Classification: B23K,H05H

Abstract:
1. An arc flash elimination system comprising: an arc flash mitigating device comprising at least two main electrodes forming a gap in between said main electrodes and each main electrode coupled to a different phase or neutral or ground in an electrical power system circuit, wherein the at least two main electrodes are configured to generate a protective arc therebetween and mitigate an arc flash in the power system circuit when an electrical impedance in the gap between the at least two main electrodes is lowered; an ablative plasma gun positioned within the gap, wherein the ablative gun comprises a first gun electrode and a second gun electrode arranged between a dielectric layer to form a longitudinal slot comprising an opening; and a trigger circuit configured to generate an electrical pulse between the first gun electrode and the second gun electrode and create a conductive plasma exiting from the opening of the longitudinal slot when the arc flash in the power system circuit is detected; wherein the plasma lowers the electrical impedance in the gap between the at least two main electrodes.