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Electric reactor coil of multi-section structure

A reactor and segment structure technology, applied in the direction of transformer/inductor coil/winding/connection, etc., can solve the problems of large partial discharge and large interlayer voltage.

Inactive Publication Date: 2013-09-25
济南银河电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings of the existing series reactor coils, the multilayer cylindrical structure has a large interlayer voltage and a large partial discharge, the present invention provides a multi-stage structure reactor coil, which can effectively reduce the interlayer voltage, improve partial discharge phenomenon

Method used

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  • Electric reactor coil of multi-section structure

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Effect test

Embodiment 1

[0010] Embodiment 1, a multi-segment structure reactor coil, including coils wound on the core 3, is characterized in that: each continuously wound coil is evenly divided into two coil segments, the first segment coil 2, the second segment coil 3. Each coil segment is formed by continuous winding of at least three layers of coils.

Embodiment 2

[0011] Embodiment 2, a reactor coil with a multi-segment structure, including coils wound on the core 3, is characterized in that each continuously wound coil is evenly divided into three coil segments, the first segment coil, the second segment coil, The third section of coil, each coil section is formed by continuous winding of at least three layers of coils.

[0012] The winding method of the reactor coil with multi-section structure is characterized in that: standardize the position of the lead wire and the size of each section of the coil on the mold or insulating cylinder according to the drawing, the winding sequence is to wind the odd number of sections first, and turn the mold 180 degrees after winding After re-fixing, wind the even-numbered segments, and effectively connect each segment, and wind the longitudinal insulation and end insulation at the same time when winding the wire.

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Abstract

The invention discloses an electric reactor coil of a multi-section structure, belongs to a common component of a transformer or an inductor, and particularly relates to a coil structure applied to dry type and oil immersed series reactors. The electric reactor coil of the multi-section structure comprises coil bodies wound on an iron core, and is characterized in that each continuously wound coil body is uniformly divided into at least two coil sections, wherein each coil section is formed by at least three coil layers through continuous winding. The structure can effectively reduce voltage among lower layers, improves local electric discharge phenomena, and has good short-circuit prevention capacity. The insulation structure of the coil can reduce the dimension of the coil in the width direction, shortens the size and the weight of an electric reactor, and saves raw materials.

Description

technical field [0001] The invention belongs to general components of transformers or inductors, and is especially applied to the coil structure of dry type and oil-immersed series reactors. Background technique [0002] In power equipment such as series reactors, the coil generally adopts a multi-layer cylindrical structure to meet the technical requirements for the number of turns and external dimensions. With the increase of requirements such as voltage level or capacity, design defects such as large interlayer voltage and large partial discharge will be reflected in the test and operation process, which will bring hidden dangers to the safe operation of the reactor. Contents of the invention [0003] In order to overcome the shortcomings of the existing series reactor coils, such as large interlayer voltage and large partial discharge in the multilayer cylindrical structure, the present invention provides a multi-section reactor coil, which can effectively reduce the i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/28
Inventor 赵庆春陈贞超张吉勇陈伟昌怀奎
Owner 济南银河电气有限公司
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