| 摘要 |
<p>The invention relates to a system for cooling the roll adjusting slider, used within a transformer or an auto-transformer with voltage load control. According to the invention, the cooling system consists of a twin contact roll, consisting of two pieces (1 and 1') which are in permanent contact with an adjustable winding (2), fixed, by means of two metallic rings (4 and 4'), on a metallic hub (3), provided, in the central area, with some radial channels (a), the assembly of the previously described contact roll being placed on a hollow axle (5), provided, in the central area, with an axial slot (b), so that the slot (b) interacts with the radial channels (a) oriented towards the heated area of the contact, and by means of a joint placed at one of the extremities of the hollow axle (5) being connected a ventilator, by means of a flexible tube (6).</p> |
