Continuous wrapping and binding method for ultrahigh voltage converter transformer iron core column

A technology of iron core column and converter, applied in the field of transformers, can solve the problems of binding thickness and high process requirements, and achieve the effect of meeting safety and reliability, small binding thickness, and reducing binding space

Inactive Publication Date: 2012-10-10
BAODING TIANWEI BAOBIAN ELECTRICAL
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for continuous wrapping and binding of UHV converter transformer core columns, which can improve the binding force and electrode shape, reduce the binding thickness, high process requirements and other difficulties, and solve the above-mentioned problems existing in the background technology

Method used

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Embodiment Construction

[0012] The present invention will be further described below through embodiment.

[0013] The method of continuous wrapping and binding of UHV converter core columns. When the stacking of the core is completed, it is clamped by the clamping device and stands up. The binding machine is used to adjust the appropriate tension on the straps and the core columns are half-stacked. Specify the thickness and height, including the following process steps:

[0014] ① Install two sets of non-weft belts on the turntable of the binding machine at the same time, one with damping, its tension can be adjusted, the position is lower, the maximum binding force is 250kg, the other is without damping, the position of the tension is relatively high, and the two plates have no weft The belt is tied simultaneously with the rotation of the turntable, and automatically spirals up in a half-packed manner;

[0015] ② Before binding, install two sets of latitude-free glass fiber belts on the turntable o...

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Abstract

The invention relates to a continuous wrapping and binding method for an ultrahigh voltage converter transformer iron core column, and belongs to the technical field of transformers. The invention adopts the technical scheme that: after being completely stacked, the iron cores are clamped by a clamping device and raised, a proper tensioning force of a binding belt is regulated through a binding machine, and an iron core column is semi-lapped to the specified thickness and height. The method has the advantages that: the proper tensioning force is regulated through the binding machine, and the binding belt is continuously semi-lapped to the specified thickness and height on the iron core column to meet the safety and the reliability of a converter transformer iron core stack; the method hasthe characteristics of good manufacturability, easiness in operation, low binding thickness, reduction of a binding space, uniform binding force, good electrode shape and the like; and pressure can be effectively applied to the iron core, so that the iron core column is approximately circular, and the purpose of improving the electrode shape of the iron core column is further realized.

Description

Technical field: [0001] The invention relates to a continuous wrapping and binding method for an ultra-high voltage converter transformer core column, which belongs to the technical field of transformers. Background technique: [0002] At present, the core columns of large-capacity core transformers are fixed in a nearly circular shape by binding straps, which exert pressure on the core columns. In the conventional transformer winding structure, the core column straps are bound in sections. This structure requires binding at the slots of the round bar stays outside the core column, one band in each slot, and at the top and bottom positions of the core column, the number of banding bands shall not be less than 3 in parallel. The distance to the main surface of the upper and lower yokes shall meet the current technological requirements. Although this kind of binding can meet the requirements, the binding force is uneven, the binding thickness is large, the electrode shape is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F27/26H01F27/245H01F41/02
Inventor 王清璞李文平宋秀生陈志伟杨哲赵翠
Owner BAODING TIANWEI BAOBIAN ELECTRICAL
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