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The Effect of the Selection of a Function Approximating Static Characteristics on the Modelling of Electric Arc
Author(s) -
A. Sawicki
Publication year - 2020
Publication title -
biuletyn instytutu spawalnictwa w gliwicach/biuletyn instytutu spawalnictwa
Language(s) - English
Resource type - Journals
eISSN - 2300-1674
pISSN - 0867-583X
DOI - 10.17729/ebis.2020.6/4
Subject(s) - tapering , voltage , arc (geometry) , electric arc , current (fluid) , work (physics) , function (biology) , ignition system , selection (genetic algorithm) , computer science , control theory (sociology) , mathematics , electrical engineering , engineering , mechanical engineering , physics , electrode , geometry , computer graphics (images) , control (management) , quantum mechanics , evolutionary biology , artificial intelligence , biology , aerospace engineering
The article presents selected tapering functions useful when creating hybrid models and functions approximating static current-voltage characteristics of arc. The research work involved the formation and verification of families of static current-voltage characteristics with defined values of voltage ignition and the extension of approximating possibilities of the formulas through the use of tapering functions. The effective use of various functions approximating static characteristics in the modelling of dynamic states in the circuit with electric arc was verified through simulation.

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