Power converter assembly with conductive material manufactured by additive manufacturing

JP2026518506APending Publication Date: 2026-06-09コーコー ウインド ソリューションズ アクティーゼルスカブ

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
コーコー ウインド ソリューションズ アクティーゼルスカブ
Filing Date
2024-03-22
Publication Date
2026-06-09

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Abstract

The present invention relates to an electrical cabinet (31) equipped with a high-power converter (11), the high-power converter (11) comprising at least three power modules (12), at least one reactor (13), a cooling system (14) configured to cool the at least three power modules (12) and the at least one reactor (13), and a plurality of high-power conductors (1) that establish a three-phase current path from the power inlet (15) of the electrical cabinet (31) to the power outlet (16) of the electrical cabinet (31) via the at least three power modules (12) and the at least one reactor (13), wherein at least one of the high-power conductors (1) is manufactured at least partially by additive manufacturing.
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Claims

1. A three-phase high-power converter (11) provided by an electrical cabinet (31), the three-phase high-power converter (11) At least three power modules (12) and At least one reactor (13) and A cooling system (14) configured to cool the at least three power modules (12) and the at least one reactor (13), A plurality of high-power conductors (1) that establish a three-phase current path from the power inlet (15) of the electrical cabinet (31) to the power outlet (16) of the electrical cabinet (31) via the at least three power modules (12) and the at least one reactor (13), Equipped with, At least one of the high-power conductors (1) is manufactured at least partially by additive manufacturing. Three-phase high-power converter (11).

2. A three-phase high-power converter (11) according to claim 1, wherein the three-phase high-power converter further comprises a support structure (18) configured to fix the high-power conductor (1) to the frame of the electrical cabinet (31).

3. A three-phase high-power converter (11) according to claim 2, wherein at least a portion of the support structure (18) is manufactured at least partially by an additive manufacturing process.

4. A three-phase high-power converter (11) according to any one of claims 1 to 3, wherein the three-phase high-power converter (11) further comprises at least one component from the list including circuit breakers, fuses, and current sensors.

5. A three-phase high-power converter (11) according to any one of claims 1 to 4, wherein at least one of the cores or at least one winding of the at least one reactor (13) is manufactured at least partially by additive manufacturing.

6. A three-phase high-power converter (11) according to any one of claims 1 to 5, wherein at least a portion of the core and at least one winding comprises an internal channel (19).

7. A three-phase high-power converter (11) according to any one of claims 1 to 6, wherein the cooling system (14) comprises a heat exchanger and a first cooling loop, the first cooling loop being configured to circulate a liquid cooling fluid from the heat exchanger, through a first part (21a) of the first cooling loop to a power module to which a plate (6) is attached, and back to the heat exchanger through a second part (21b) of the first cooling loop.

8. A three-phase high-power converter (11) according to any one of claims 1 to 7, wherein the cooling system (14) further comprises a second cooling loop (22), the second cooling loop (22) configured to circulate a liquid cooling fluid from the heat exchanger, through a first part (22a) of the second cooling loop, to at least one internal cooling channel of the at least one reactor (13), and through a second part (22b) of the second cooling loop, back to the heat exchanger.

9. A three-phase high-power converter (11) according to any one of claims 1 to 8, wherein the heat exchanger (14) is located outside the electrical cabinet (31).

10. A three-phase high-power converter (11) according to any one of claims 1 to 9, wherein the cooling system (14) further comprises a fan (23) configured to establish an airflow from an air inlet (24) to an air outlet (25).

11. A three-phase high-power converter (11) according to any one of claims 1 to 10, wherein at least a portion of the high-power conductor (1) is selected from a list including a main busbar, a transition busbar and a current-balancing busbar.

12. A three-phase high-power converter (11) according to any one of claims 1 to 11, wherein at least one reactor (13) comprises an electric winding, the electric winding comprising an inner portion and an outer portion, the diameter of the inner portion being smaller than the diameter of the outer portion.

13. A three-phase high-power converter (11) according to any one of claims 1 to 12, wherein the outer portion of the electric winding has a geometry comprising a list including bionic, mesh, spongy, twisted, and honeycomb.

14. A three-phase high-power converter (11) according to any one of claims 1 to 13, wherein at least one current path branches through the electrical winding.

15. A three-phase high-power converter (11) according to any one of claims 1 to 14, wherein the high-power conductor (1) is manufactured such that at least a partially concave geometry is present on the surface of one of the first end (2) and second end (3) or an intermediate segment (4) of the high-power conductor (1).

16. A three-phase high-power converter (11) according to any one of claims 1 to 15, wherein at least one of the first end (2) and the second end (3) is monolithically formed with the intermediate segment (4).

17. A three-phase high-power converter (11) according to any one of claims 1 to 16, wherein at least one of the plurality of high-power conductors (1) is manufactured with a ventilated geometry.

18. A three-phase high-power converter (11) according to any one of claims 1 to 17, wherein the high-power conductor (1) has a resonant oscillation frequency of at least 5 Hz, for example at least 20 Hz, for example at least 30 Hz, for example at least 70 Hz, for example at least 150 Hz, for example at least 300 Hz, for example at least 500 Hz.

19. A three-phase high-power converter (11) according to any one of claims 1 to 18, wherein at least the intermediate segments (4) of the plurality of high-power conductors (1) are provided with at least one internal channel (19).

20. A three-phase high-power converter (11) according to claim 19, wherein the at least one internal channel (19) is included in a third cooling loop (26) and is configured to guide a cooling fluid that circulates in the third cooling loop (26) through the interior of one of the plurality of high-power conductors (1).

21. A three-phase high-power converter (11) according to any one of claims 19 to 20, wherein at least one of the plurality of high-power conductors (1) comprises at least two, preferably at least three, and most preferably at least four internal channels.

22. A three-phase high-power converter (11) according to any one of claims 19 to 21, wherein the at least one internal channel (19) is configured to include a cooling pipe.

23. A three-phase high-power converter (11) according to any one of claims 19 to 22, wherein the at least one internal channel (19) comprises a plurality of flow induction sections.

24. A three-phase high-power converter (11) according to any one of claims 19 to 23, wherein the at least one internal channel (19) is monolithically formed with at least a portion of an external channel (27).

25. A three-phase high-power converter (11) according to any one of claims 1 to 24, wherein at least one of the plurality of high-power conductors (1) comprises at least one air induction section.

26. A three-phase high-power converter (11) according to claim 25, wherein the at least one air induction section is detachably attached to the at least one high-power conductor (1).

27. A three-phase high-power converter (11) according to any one of claims 1 to 26, wherein the at least one air induction section is an integration section of the at least one high-power conductor (1).

28. A three-phase high-power converter (11) according to any one of claims 1 to 27, wherein at least one of the plurality of high-power conductors (1) comprises at least one integrated heat sink.

29. A three-phase high-power converter (11) according to claim 28, wherein the at least one heat sink is detachably attached to at least one of the plurality of high-power conductors (1).

30. A three-phase high-power converter (11) according to any one of claims 28 to 29, wherein the at least one heat sink is the at least one integration portion of the plurality of high-power conductors (1).

31. Use of a high-power converter (11) according to any one of claims 1 to 30 in a renewable energy power generation facility.

32. A high-power converter assembly provided by an electrical cabinet (31), wherein the power converter assembly is A power conduction section (SA) equipped with a high-power conductor (1), A power conversion section (SB) comprising multiple power modules (12), A filter section (SC) comprising at least one reactor (13), Auxiliary section (SD) equipped with auxiliary parts, Cooling system (4), Equipped with, The components of the power conversion section (SB), the filter section (SC), and the auxiliary section (SD) are connected via a high-power conductor (1). The cooling system (14) is configured for local cooling of at least the power conversion section (SB) and the filter section (SC), The high-power conductor (1) is characterized in that at least one of the high-power conductors (1) is manufactured at least partially by additive manufacturing. High-power converter assembly.

33. A high-power converter assembly according to claim 32, wherein the high-power converter assembly is an AC-DC, DC-AC, DC-DC, or AC-AC converter.

34. A high-power converter assembly according to any one of claims 32 to 33, wherein at least one of the high-power conductors is manufactured having an internal channel (19).

35. A high-power converter assembly according to any one of claims 32 to 34, wherein at least one of the high-power conductors (1) is included in a closed liquid cooling loop of the cooling system (14).

36. A high-power converter assembly according to any one of claims 32 to 35, wherein at least one of the high-power conductors (1) is cooled by a fan (23).

37. A high-power converter assembly according to any one of claims 32 to 36, wherein at least one of the high-power conductors (1) has an air gap between two or more conductor branch portions (5).