| 摘要 |
FIELD: mechanical engineering; electric arc welding. ^ SUBSTANCE: invention relates to devices for control of welding circuit at hand dc welding. Proposed device contains electrode holder and thyristor connected in series in welding circuit, and thyristor control electrode circuit. Thyristor control electrode circuit consists of series-connected resistor and capacitor placed between anode and control electrode of said thyristor. ^ EFFECT: facilitated control of welding circuit. ^ 1 dwg |
