Water-cooled reactor

1. Liquid-cooled electromagnetic component comprising

at least two disk-shaped coils with one or more turns and a flat radiator located in between, wherein the at least two disk-shaped coils are assigned to the flat radiator, each disk-shaped coil having turns, of which each is located in direct thermal contact with surfaces of the flat radiator by way of a heat-conducting insulating layer for isolating a cooling medium and wherein the at least two disk-shaped coils are wound such that outer connections located in a region of the flat radiator are avoided and inner series connections between the at least two disk-shaped coils fit into a recess of an assigned radiator plate of the flat radiator.

2. Component according to claim 1 , wherein a plastic arrangement is selected as the flat radiator such that a liquid-carrying layer is completely surrounded by plastic.

3. Component according to claim 1 , wherein a multilayer metal construction with an inner cooling structure and outer plastic insulation is used as the flat radiator, whereby a plastic layer completely encloses the flat radiator.

4. Component according to claim 3 , wherein the metal construction is formed of a metal selected from a group which consists of aluminium, stainless steel, and alloys thereof.

5. Component according to claim 3 , wherein the metal construction consists of stainless, nonmagnetic steel.

6. Component according to claim 5 , wherein for the metal construction of stainless, nonmagnetic steel, eddy current losses compared to aluminium are smaller by more than a factor of 4.

7. Component according to claim 2 , wherein the plastic arrangement contains a filler that improves a thermal conductance value.

8. Component according to claim 1 , wherein to improve heat transfer between the at least two disk-shaped coils and a bordering surface of the flat radiator, a thermally conductive plastic film of slight hardness and resilient or yielding properties that is a few tenths mm thick is used.

9. Component according to claim 1 , wherein the at least two disk-shaped coils are forced into closed contact with the surfaces of the flat radiator by a mechanical pressing arrangement.

10. Component according to claim 1 , wherein the at least two disk-shaped coils are cemented directly to the flat radiator surface to conduct heat.

11. Component according to claim 1 , wherein the flat radiator being configured by shaping and material selection such that it has eddy current losses that are as low as possible.

12. Component according to claim 1 , wherein a yoke is surrounded by metal plates, which have metal tubes welded on an end side, and wherein a same or a different cooling medium is routed through the metal tubes, for efficient cooling of copper and iron.

13. Component according to claim 12 , comprising a cooling medium which first passes through the flat radiator and only afterwards passes through the metal tubes.

14. Component according to claim 1 , wherein both a weight reduction and also a volume reduction of the component by a factor of 2 is achieved compared to a forced air-cooled component in comparable design and use.

15. Method for producing a liquid-cooled electromagnetic component having at least two disk-shaped coils with one or more turns and a flat radiator located in between, wherein the at least two disk-shaped coils are assigned to the flat radiator, each disk-shaped coil having turns, of which each is located in direct thermal contact with surfaces of the flat radiator by way of a heat-conducting insulating layer for isolating a cooling medium, the method comprising:

winding the at least two disk-shaped coils such that outer connections located in a region of the flat radiator are avoided and inner series connections between the at least two disk-shaped coils fit into a recess of an assigned radiator plate of the flat radiator;

cementing the flat radiator to the disk-shaped coil to conduct heat; and

forming a modular unit.