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2021 №03 (07) DOI of Article
2021 №03 (01)

The Paton Welding Journal 2021 #03
The Paton Welding Journal, 2021, #3, 43-48 pages

High-efficient sources for arc welding on the base of capacitive energy storage systems

O.E. Korotynskyi, M.I. Skopyuk and I.V. Vertetska

E.O. Paton Electric Welding Institute of the NAS of Ukraine 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail: office@paton.kiev.ua

A new class of high-efficient arc welding equipment is proposed, which is based on wide application of capacitive energy storage systems, in which high-capacity capacitors with a double electric layer are used as such storages. The paper is a study of the structure of sources, which are based on switching-modulation conversion of welding current. Procedures of signal conversion in the proposed sources, using the charge transfer method are analyzed in detail. Analysis of dynamic characteristics of this type of sources was performed, and basic equations were derived, which characterize different types of capacitive welding current converters. 13 Ref., 1 Table, 4 Figures.
Keywords: arc welding, capacitive energy storage system, double electric layer capacitor, charge transfer method, topological structures of the sources, step-down type converter

Received 12.02.2021


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