The Paton Welding Journal, 2018, №03



2018 №03 (08)

DOI of Article 10.15407/tpwj2018.03.09

2018 №03 (01)

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The Paton Welding Journal, 2018, #3, 40-42 pages
 

AC arc stabilizer for welding transformers

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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Suggested Citation

V.V. Burlaka, S.V. Gulakov and S.K. Podnebenna (2018) AC arc stabilizer for welding transformers. The Paton Welding J., 03, 40-42.

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