We Claim:
32
1. A conductor (1, 10) for conducting electric current, comprising along its length (L) at least two main sections (2, 2', 3, 3', 18, 19, 20) comprising a first main section (2, 2' 18) and a second main section (3, 3', 19), and comprising at least one transposing junction (4, 4', 21, 22) connecting adjacent ones of the main sections (2, 2', 3, 3',
18, 19, 20),
the conductor (1, 10) comprising at least two partial conductors (7, 8, 15, 16, 17) comprising at least a first partial conductor (7, 15) and a second partial conductor (8, 16), each of the partial conductors (7, 8, 15, 16) running through the main sections (2, 2', 3, 3', 18, 19, 20) and the transposing junction (4, 4', 21, 22) and being electrically insulated from each other in the main sections (2, 2', 3, 3', 18, 19, 20) and the transposing junction (4, 4', 21, 22), each of the partial conductors (7, 8, 15, 16, 17) having in each of the main sections (2, 2', 3, 3', 18, 19, 20) an outer diameter (dp d2/ d3) ,
wherein in the first main section (2, 2', 18), the outer diameter (dp d2, d3) of the first partial conductor (7, 15) is larger than the outer diameter (dp d2, d3) of the second partial conductor (7, 8, 15, 16, 17), and in the second main section (3, 19) the outer diameter (dp d2, d3) of the second partial conductor (8, 16) is larger than the outer diameter (dp d2/ d3) of the first partial conductor (7, 15), characterized in that the conductor (1, 10) comprises a first portion (27) and a second portion (28), each of the portions (27, 28) comprising at least two main sections (2, 2', 3, 3', 18, 19, 20) and at least one transposing junction (4, 4', 21, 22) between the main sections (2, 2', 3, 3', 18, 19, 20), and33
comprising a joining junction (9) between the portions (27, 28), wherein in the joining junction (9) the partial conductors (7, 8, 15, 16, 17) are electrically connected to
each other.
2. The conductor (1, 10) of claim 1,
wherein in the first main section (2, 2', 18) the first
partial conductor (7, 15) has a shape of a cylinder having a
first outer radius (r^) and the second partial conductor (8, 16) has a shape of a cylinder of a second outer radius (r2), wherein the first outer radius (rjJ is larger than the second
outer radius (r2).
3. The conductor (1, 10) of any of the preceding claims,
wherein in the first main section (2, 2', 18) the first
partial conductor (7, 15) encloses the second partial conductor (8, 16) and in the second main section (3, 3', 19) the second partial conductor (8, 16) encloses the first
partial conductor (7, 15).
4. The conductor (1, 10) of any of the preceding claims,
wherein the interior structure of the conductor (1, 10) is identical in the main sections (2, 2', 3, 3', 18, 19, 20) and
wherein the main sections (2, 2 3, 3' , 18, 19, 20) have the
same lengths.
5. The conductor (1, 10) of any of the preceding claims, wherein in each of the main sections (2, 2' , 3, 3', 18, 19, 20) the partial conductors (7, 8, 15, 16) have a constant geometry along the length of the respective main section (2, 2' , 3, 3' , 18, 19, 20) .
6. The conductor (1, 10) of any of the preceding claims,34
wherein in the transposing junction (4, 4', 21, 22) each of the partial conductors (7, 8, 15, 16, 17) has one or more openings (14) in its wall to enable one or more transposing portions (12, 13, 23-26) of the other one of the partial conductors (7, 8, 15, 16, 17) to cross the wall.
7. The conductor (1, 10) of any of the preceding claims, wherein the partial conductors (7, 8, 15, 16, 17) are separated by gaps (11) from each other, wherein the gaps (11) are air gaps and/or insulating inserts.
8. The conductor (1, 10) of any of the preceding claims, comprising a joining junction (9) at each of its ends, wherein in the joining junction (9) the partial conductors (7, 8, 15, 16, 17) are electrically connected to each other.
9. The conductor (1, 10) of any of the preceding claims, wherein each of the partial conductors is formed as a single, integrally formed piece.
10. The conductor (1, 10) of any of the preceding claims, having a bend (30) being provided by a joining junction (9) electrically connecting the partial conductors (7, 8, 15, 16, 17) or being provided by a transposing junction (4, 4', 21, 22) changing the outer diameters (d^, d2, d3) of the partial conductors (7, 8, 15, 16, 17).
11. The conductor (1, 10) of any of the preceding claims, comprising a number (n) of partial conductors (15, 16, 17), the number (n) being larger than two, and comprising a number (m) of main sections (18, 19, 20), wherein adjacent ones of the main sections (18, 19, 20) are connected by transposing junctions (21, 22), wherein m is a multiple of n.
12. The conductor (1, 10) of any of the preceding claims, wherein in each of the main sections (2, 2', 3, 3', 18, 19,
20) each of the partial conductors (7, 8, 15, 16, 17) has a tubular shape.
13. A method of manufacturing the conductor (1, 10) of any of the preceding claims, wherein at least a part of the conductor (1, 10) is manufactured by an additive manufacturing method or by a molding method.
14. The method of claim 13,
wherein the conductor (1, 10) is at least partially formed by casting, wherein an insert is positioned in the mold, wherein the insert provides gaps (11) insulating the partial conductors (7, 8, 15, 16, 17) from each other.
15. A use of the conductor (1, 10) of any of claims 1 to 12 for conducting electric current with an AC component.