A single-row transposition wire and its preparation method
A technology of transposed wire and wire transposition, applied in cable/conductor manufacturing, conductor, insulated conductor and other directions, can solve the problems of troublesome transposition wire, high technical requirements of manufacturing process, limited applicability, etc., and achieves easy processing and expansion. Scope of application, the effect of reducing internal circulation
Active Publication Date: 2022-05-31
常州西电变压器有限责任公司 +1
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Problems solved by technology
The structure of the transposed wire itself is very troublesome in the actual process of weaving the transposed wire, the manufacturing process requires high technology, and the applicability of the combination of two rows of wires is also limited.
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[0031] As shown in Figure 1 to Figure 4, a single-row transposition wire includes several copper wires 1, and the outer side of each copper wire 1 is provided with
[0034] There is no theoretical limit on the number of parallel copper flat wires, which can be an odd number or an even number. Several copper wires 1 in a single
[0036] The copper flat wires of the outermost layer can be alternately transposed multiple times along the narrow surfaces on both sides of the plurality of copper flat wires as required. Pass
[0041] The number of flat copper wires in the single-row transposition wire in the present invention is n, and n>4, and a single coil can be used according to design requirements.
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The invention discloses a single-row transposition wire and a preparation method thereof, comprising a plurality of copper wires, each of which is provided with an insulating layer; In the copper wires arranged in a single row, the copper wires on one side are transposed along the surface arranged in a single row to the other side for wire transposition, and several copper wires arranged in a single row are circulated for wire transposition. Position; several copper wires arranged in a single row are wound with a fixed layer outside the position where the wires are transposed. Through several copper wires arranged in a single row for wire transposition, all the copper wires inside the single row transposed wire can achieve sufficient transposition, and there is no restriction on the number of single wires inside the conventional transposed wire and the requirement of two rows side by side. The range of wire gauge selection is expanded, which can expand the scope of application of transposed wires.
Description
A single-row transposition wire and preparation method technical field [0001] The invention belongs to the field of power transformer manufacturing, in particular to a single row of transposed conductors and a preparation method. Background technique At present, in order to adapt to high-voltage, large-capacity transformer coil design requirements, transposition wires are often used to replace multiple coppers. Flat wire or composite wire for winding. Compared with flat copper wire or combination wire, transposed conductors greatly reduce the load on transformers Loss, improve the mechanical strength of the coil, make the coil structure more compact, and make the coil easier to process. existing transposition The conductors are composed of a certain odd number of copper flat wires into two rows with wide surfaces in contact with each other, and the two rows of copper flat wires are connected according to the requirements. The top and bottom are transposed in the sa...
Claims
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IPC IPC(8): H01B7/00H01B7/08H01B13/00H01F27/28
CPCH01B7/0045H01B7/08H01B13/00H01F27/2852
Inventor 张逸周全端祝庚李子兴陈波
Owner 常州西电变压器有限责任公司