Analysis of the Breakdown and Electrical Arc in the Process of Switching on

Łukasz Kolimas


Switching on current in an electric circuit occurs
hence not due to securing the contact of contacts, but as a result
of electric break down of the isolation of the given environment.
The switching-on arc glowing time depends hence on the value of
the intensity of electric field in the contact area, and on the
velocity of contacts closing. The paper describes the analysis of
the electrical fields and problems of the arc switching time in
contact switches during making of a current in current paths and


electric field strength, electric arc, electrical contacts

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