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2018 №03 (08) DOI of Article
10.15407/tpwj2018.03.09
2018 №03 (01)

The Paton Welding Journal 2018 #03
TPWJ, 2018, #3, 40-42 pages
 
AC arc stabilizer for welding transformers


Journal The Paton Welding Journal
Publisher International Association «Welding»
ISSN 0957-798X (print)
Issue #3, 2018 (March)
Pages 40-42
 
 
Authors
V.V. Burlaka, S.V. Gulakov and S.K. Podnebenna
SHEI «Priazovskii State Technical University» 7 Universitetska Str., 87500, Mariupol, Donetsk Reg., Ukraine. E-mail: office@pstu.edu
 
Abstract
Circuit design of AC arc stabilizer for welding transformers is proposed. A special feature of the stabilizer is application of resonance voltage rise in the transformer secondary winding to ensure repeated ignitions of the arc after each zero current transition. This allows reducing energy losses in the arc stabilizer and ensuring effective formation of high-voltage pulse packets for guaranteed breakdown of the arc gap. Application of the proposed arc stabilizer allows performance of DC welding with electrodes at power supply from welding transformers without rectifiers. The stabilizer is designed for operation with transformers not fitted with electronic regulators: mainly with transformers with a magnetic shunt of TDM, STSh type. 12 Ref., 6 Figures.
Keywords: electric arc, welding, arc ignition, arcing stabilization, welding transformer, arc ignition voltage
 
Received: 12.01.18
Published: 12.04.18
 
 
References
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