Avtomaticheskaya Svarka (Automatic Welding), #4, 2016, pp. 47-52
Improvement of electron devices for initial and repeated ignitions of alternating current arc
SE Research Engineering Center of Welding and Control in Power Engineering of E.O. Paton Electric Welding Institute, NASU 11 Kazimir Malevich Str., 03680, Kiev, Ukraine. E-mail:email@example.com
Taking into account earlier carried investigations, considered are the issues of development of the electron devices for
contactless initial and repeated ignitions of alternating current arc in mechanized arc welding. They generate high and
increased voltage pulses being injected in an inter-electrode gap. It is shown that the most reasonable way for improvement
of the electron devices is a development of combined striker-stabilizers. They have a possibility to function in a
mode of initial ignition (striking) of the arc as well as in a mode of its burning stabilizing. It can be reached by means of
using at least two independent forming circuits in the generators of high or increased voltage pulses of the striker-stabilizers.
A variant of circuit solutions for the combined electron arc striker-stabilizer having series connection to welding
circuit is presented and described for mechanized consumable electrode AC welding. 22 Ref., 2 Figures.
mechanized arc welding, alternating current, initial and repeated arc ignitions, arc stability, electron
striker-stabilizers of arc, generators of high and increased voltage pulses
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