Transformer having an air-cooled primary winding which is supplied on the high-voltage side

摘要

Such transformers normally have an iron core (2), which is likewise air-cooled, and a secondary winding (3). According to the invention, the secondary winding (3) is wound from a heating conductor, is electrical short-circuited, and heats a medium (6) which is used for heat transportation. Transformers designed according to the invention are suitable for heating relatively large quantities of hot water and/or industrial water and at the same time offer the major advantage of direct energy supply from the medium-voltage or high-voltage electrical mains power supply. <IMAGE>