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Method for winding transposition wire of double-single spiral coil

A winding method and transposition wire technology, which is applied in coil manufacturing, transformer/inductor coil/winding/connection, etc., can solve the problem of large overlapping thickness of wires, and achieve the effects of reducing hidden dangers, reducing thickness, and increasing filling rate

Inactive Publication Date: 2010-01-06
泰安泰山电气有限公司
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of transposition method is suitable for ordinary wires, but for the transposed wires of large-capacity transformers, because its thickness is larger than that of ordinary wires, using "2, 1, 2" transposition will inevitably cause the wires to be transposed. The scissors mouth, the superimposed thickness of the wire is very large

Method used

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  • Method for winding transposition wire of double-single spiral coil
  • Method for winding transposition wire of double-single spiral coil
  • Method for winding transposition wire of double-single spiral coil

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Embodiment Construction

[0018] The winding method of the present invention is: when winding the coil, start winding according to a double helix, that is, two single helix coils are wound simultaneously to form two rows of single helix coils; and each row of wires is grouped (generally, two When the wires of two rows of single helical coils need to be transposed, the wires of two rows of single helical coils are transposed within a group → transposed between groups → transposed within a group → transposed between groups The form is transposed, and an arc pad is placed in the gap of the wire at the transposition.

[0019] The following is an example of a double-single helical coil wound with 8 transposed wires in conjunction with the accompanying drawings:

[0020] Step 1. Put the reels on the wire reel stand according to the number of parallel wires required (8 wires), and arrange them in two rows. The arrangement of the wires is as attached image 3 . Two columns up and down, 4 wires in each row, t...

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Abstract

The invention relates to a winding method in a high-capacity transformer and other electrical equipment, in which coils are in the form of double-single spiral type and transposition wires are utilized. When the coil is wound, the winding is started according to double spirals, namely two single spirals are wound simultaneously to form two lines of single spiral coils, and transposition is carried out in each line of spiral according to the single spiral coil. The detailed steps are as follows: lead wires are divided into groups, the lead wires in each single spiral coil are transposed in the form of within group transposition->between groups transposition->within group transposition, and arc filling blocks D are positioned at the gaps at transpositions of lead wires. The method has the characteristics of reducing the thickness of lead wires overlap, improving the fill rate of coils, increasing the mechanical strength and the short-circuit resistance capacity of coils, and reducing the hidden troubles of transpositions and the like.

Description

Technical field: [0001] The invention relates to a winding method of coils in electrical equipment such as large-capacity transformers, in particular to a winding method of transposition wires of double-single helical coils. technical background: [0002] At present, due to the low voltage of the low-voltage coil of the large-capacity transformer, the number of turns of the coil is small and the current is relatively large. In order to meet the requirements of the reactance height, the winding of the coil often adopts a double helix structure. In order to save energy and reduce consumption and reduce the loss caused by incomplete transposition, double helical coils wound by transposed wires are often used. However, due to the large wire gauge of the transposed wire, when an even number of transposed wires are wound together, the uniform cross transposition will cause a local high line of the coil, so an even number of transposed wires cannot be used for winding, that is, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F41/06H01F27/28H01F41/07
Inventor 周广宇杨杰苏宝国张宗军赵海滨张书韬张目型徐曙光陈志鹏
Owner 泰安泰山电气有限公司
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