CN203103079U - 6kV small-capacity non-encapsulated dry type transformer high voltage coil - Google Patents
6kV small-capacity non-encapsulated dry type transformer high voltage coil Download PDFInfo
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- CN203103079U CN203103079U CN 201220736740 CN201220736740U CN203103079U CN 203103079 U CN203103079 U CN 203103079U CN 201220736740 CN201220736740 CN 201220736740 CN 201220736740 U CN201220736740 U CN 201220736740U CN 203103079 U CN203103079 U CN 203103079U
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Abstract
本实用新型提供了一种6kV小容量非包封干式变压器高压线圈，其特征在于：包括绝缘筒及位于绝缘筒外的两段内包绝缘层，在每段内包绝缘层的外侧设有一段外包绝缘层，在每段内包绝缘层与外包绝缘层之间设有一段筒状绕组，在相邻两段筒状绕组之间设有中部端圈，在每段筒状绕组的两端分别设有用于绝缘和固定的端部端圈及开口端圈，两段筒状绕组上的开口端圈相对布置，两个开口端圈分别出线共同连接调压分接头，开口端圈的开口位置正对调压分接头，在两段筒状绕组靠近各自的端部端圈的部位分别出线分别连接首部接线端子及尾部接线端子。本实用新型生产加工周期短、体积小、所用原材料少、成本低、损耗小、节能效果明显、防潮湿，是一种节能的变压器。
The utility model provides a 6kV small-capacity non-encapsulated high-voltage coil of a dry-type transformer, which is characterized in that: it includes an insulating cylinder and two sections of inner insulating layers located outside the insulating barrel, and an outer section is provided outside each section of inner insulating layer. Insulation layer, a section of cylindrical winding is provided between each section of the inner insulation layer and the outer insulation layer, a middle end ring is provided between two adjacent sections of cylindrical winding, and a special coil is provided at both ends of each section of cylindrical winding. Based on the insulated and fixed end ring and the open end ring, the open end rings on the two cylindrical windings are arranged opposite to each other, and the two open end rings are respectively connected to the voltage regulating tap, and the opening positions of the open end rings are aligned. The pressure taps are connected to the first terminal and the tail terminal respectively at the parts of the two sections of cylindrical windings close to their respective end rings. The utility model has the advantages of short production and processing cycle, small volume, less raw materials used, low cost, small loss, obvious energy-saving effect and moisture-proof, and is an energy-saving transformer.
Description
Technical field
The utility model relates to a kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil, can be used in the electric power system, belongs to the transformer technology field.
Background technology
The dry-type transformer that uses in the electric power system at present is divided into sealing with non-according to high-tension coil version seals two kinds, the no-encapsulated-winding dry-type transformer high-tension coil is a cake formula structure, as shown in Figures 1 and 2, existing non-packaging high-voltage coil is outwards drawn stem binding post 9, pressure regulation terminal 10 and tail wiring terminal 11 respectively, its structure comprises insulating cylinder 1 and is positioned at insulating cylinder 1 insulating stay 2 outward, turn to many cakes winding of setting the number of turn by lead 3 and be positioned on the insulating stay 2, separate with cross-over block 5 between adjacent two cakes; Establish pressure regulation terminal fixed head 4 and binding post fixed head 6 respectively in winding middle part and two-end part, for fixing and transition lead-in wire; Establish insulating end ring 7 at the winding two ends, it is stressed identical to make winding support the cross-over block 5 of every cake winding in installation and operation.
Above-mentioned high-tension coil has the following disadvantages: the production and processing cycle is long, and activity coefficient is little, and volume is big, and material therefor is many, the cost height, and no-load loss is big, and energy-saving effect is not obvious, particularly small capacity transformer.
Summary of the invention
The purpose of this utility model provides a kind of reducing cost and Remarkable Energy Saving no-encapsulated-winding dry-type transformer high-tension coil.
In order to achieve the above object, the technical solution of the utility model has provided a kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil, it is characterized in that: comprise insulating cylinder and be positioned at outer two sections of insulating cylinder and wrap insulating barrier, the outside of bag insulating barrier is provided with one section outsourcing insulation in every section, in every section, be provided with one section tubular winding between bag insulating barrier and the outsourcing insulation, between adjacent two sections tubular windings, be provided with the middle ends circle, be respectively equipped with at the two ends of every section tubular winding and be used to the end end circle and the openend circle that insulate and fix, openend circle positioned opposite on two sections tubular windings, two openend circles outlet respectively connect the pressure regulation tap jointly, the aperture position of openend circle is over against the pressure regulation tap, two sections tubular windings near the position of separately end end circle respectively outlet connect stem binding post and tail wiring terminal respectively.
Preferably, described tubular winding comprises the tubular coil of the inside and outside nested setting number of turn that is turned to by lead of multilayer, is provided with interlayer insulating film between the adjacent two layers tubular coil, is respectively equipped with the end insulation system with the lead uniform thickness at the two ends of every layer of tubular coil.
Preferably, the cross section of described lead is circular, scribbles insulating barrier at outer surface.
Preferably, described interlayer insulating film is the soft composite insulating foil of polyester film and polyester fibre non woven fabric, and thickness is 0.2mm.
Preferably, the outer surface at described outsourcing insulation scribbles one deck insulation enamelled coating.
Preferably, described interior bag insulating barrier and described outsourcing insulation are the soft composite insulating foil of polyester film and polyester fibre non woven fabric, and thickness is 0.2mm.
Preferably, the thickness of described insulating cylinder is 3mm.
The utility model provides a kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil, it is a kind of dry-type transformer high-tension coil of subsection cylindrical formula structure, mainly containing short, advantages such as volume is little, used raw material are few, cost is low, loss is little, energy-saving effect is obvious, moisture proof of production and processing cycle, is a kind of energy-conservation transformer.
Description of drawings
Fig. 1 is traditional no-encapsulated-winding dry-type transformer high-tension coil structural representation;
Fig. 2 is the axial cut-away view of Fig. 1;
A kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil structural representation that Fig. 3 provides for the utility model;
Fig. 4 is the local structure for amplifying schematic diagram of I part among Fig. 3.
Embodiment
For the utility model is become apparent, now with preferred embodiment, and conjunction with figs. is described in detail below.
As shown in Figures 3 and 4, a kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil that the utility model provides comprises insulating cylinder 12 and is positioned at insulating cylinder 12 two sections bag insulating barriers 13 outward that the thickness of insulating cylinder 12 is 3mm.The outside of bag insulating barrier 13 is provided with one section outsourcing insulation 17 in every section, in every section, be provided with one section tubular winding between bag insulating barrier 13 and the outsourcing insulation 17, between adjacent two sections tubular windings, be provided with middle ends circle 19, be respectively equipped with at the two ends of every section tubular winding and be used to the end end circle 8 and the openend circle 18 that insulate and fix, openend circle 18 positioned opposite on two sections tubular windings, two openend circles 18 outlet respectively connect pressure regulation tap 10 jointly, the aperture position of openend circle 18 is over against pressure regulation tap 10, two sections tubular windings near the position of separately end end circle 8 respectively outlet connect stem binding post 9 and tail wiring terminal 11 respectively.
The tubular winding comprises the tubular coil of the inside and outside nested setting number of turn that is turned to by lead 15 of multilayer, is provided with interlayer insulating film 16 between the adjacent two layers tubular coil, is respectively equipped with the end insulation system 14 with lead 15 uniform thickness at the two ends of every layer of tubular coil.
The cross section of lead 15 is circular, is processed by oxygen-free copper, scribbles insulating barrier at outer surface, 200 ℃ of insulating barrier heatproofs.
Interior bag insulating barrier 13, outsourcing insulation 17 and interlayer insulating film 16 are the soft composite insulating foil (English abbreviates SHS as) of polyester film and polyester fibre non woven fabric, and thickness is 0.2mm, is mainly used to reduce electric field strength, plays the effect that improves dielectric strength.
Insulating cylinder 12, end end circle 8, openend circle 18 and middle ends circle 19 are made by the modification diphenyl ether, are used for fixing lead 15, play the effect that improves dielectric strength and mechanical strength.
Outer surface at outsourcing insulation 17 scribbles one deck insulation enamelled coating, is the second protection of insulation, has improved the mechanical strength and the dielectric strength of coil once more, has improved the moisture proof performance.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736740 CN203103079U (en) | 2012-12-27 | 2012-12-27 | 6kV small-capacity non-encapsulated dry type transformer high voltage coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736740 CN203103079U (en) | 2012-12-27 | 2012-12-27 | 6kV small-capacity non-encapsulated dry type transformer high voltage coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103079U true CN203103079U (en) | 2013-07-31 |
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ID=48854465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220736740 Expired - Lifetime CN203103079U (en) | 2012-12-27 | 2012-12-27 | 6kV small-capacity non-encapsulated dry type transformer high voltage coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203103079U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021637A (en) * | 2012-12-27 | 2013-04-03 | 正泰电气股份有限公司 | 6 kV small-capacity non-packing dry type transformer high-voltage coil |
| CN106373755A (en) * | 2016-11-02 | 2017-02-01 | 中电电气(江苏)股份有限公司 | End part insulating structure of multi-layer foil type coil of dry type transformer, and manufacturing process for end part insulating structure |
-
2012
- 2012-12-27 CN CN 201220736740 patent/CN203103079U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021637A (en) * | 2012-12-27 | 2013-04-03 | 正泰电气股份有限公司 | 6 kV small-capacity non-packing dry type transformer high-voltage coil |
| CN103021637B (en) * | 2012-12-27 | 2015-09-30 | 正泰电气股份有限公司 | A kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil |
| CN106373755A (en) * | 2016-11-02 | 2017-02-01 | 中电电气(江苏)股份有限公司 | End part insulating structure of multi-layer foil type coil of dry type transformer, and manufacturing process for end part insulating structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |