CN103021637A - 6 kV small-capacity non-packing dry type transformer high-voltage coil - Google Patents
6 kV small-capacity non-packing dry type transformer high-voltage coil Download PDFInfo
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- CN103021637A CN103021637A CN2012105818559A CN201210581855A CN103021637A CN 103021637 A CN103021637 A CN 103021637A CN 2012105818559 A CN2012105818559 A CN 2012105818559A CN 201210581855 A CN201210581855 A CN 201210581855A CN 103021637 A CN103021637 A CN 103021637A
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Abstract
The invention provides a 6 kV small-capacity non-packing dry type transformer high-voltage coil, which is characterized by comprising an insulating cylinder and two segments of in-packing insulating layers positioned outside the insulating cylinder, wherein a segment of out-packing insulating layer is arranged on the outer side of each segment of in-packing insulating layer, and a segment of cylindrical winding is arranged between each segment of in-packing insulating layer and the out-packing insulating layer; a middle end ring is arranged between two adjacent segments of cylindrical windings, and an end part end ring and an opening end ring which are used for insulation and fixation are respectively arranged at two ends of each segment of cylindrical winding; the opening end rings on two segments of cylindrical windings are oppositely arranged, the two opening end rings respectively lead out lines to be connected with a voltage regulation tap together, and the opening positions of the opening end rings are over against the voltage regulation tap; and the parts of the two segments of cylindrical windings close to the respective end part end rings respectively lead out lines to be connected with a head wiring terminal and a tail wiring terminal respectively. The 6 kV small-capacity non-packing dry type transformer high-voltage coil has the advantages of short production processing cycle, small size, fewer used raw materials, low cost, small loss, obvious energy saving effect and moisture resistance, and is an energy-saving transformer.
Description
Technical field
The present invention 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, belong to the transformer technology field.
Background technology
The dry-type transformer that uses in the at present electric power system is divided into sealing with non-according to the high-voltage coil structure form seals two kinds, the no-encapsulated-winding dry-type transformer high-tension coil is cake formula structure, as shown in Figures 1 and 2, existing non-packaging high-voltage coil is outwards drawn respectively stem binding post 9, pressure regulation terminal 10 and tail wiring terminal 11, 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 wire 3 and be positioned on the insulating stay 2, separate with cross-over block 5 between adjacent two cakes; Establish respectively pressure regulation terminal fixing plate 4 and binding post fixed head 6 in winding middle part and two-end part, for fixing and transition lead wire; Establish insulating end ring 7 at the winding two ends, make winding in installation and operation, support the cross-over block 5 of every cake winding stressed identical.
Above-mentioned high-tension coil has the following disadvantages: the production and processing cycle is long, and activity coefficient is little, and volume is large, and material therefor is many, and cost is high, and no-load loss is large, and energy-saving effect is not obvious, particularly small capacity transformer.
Summary of the invention
The purpose of this invention is to provide the significant no-encapsulated-winding dry-type transformer high-tension coil of a kind of reduction cost and energy-saving effect.
In order to achieve the above object, technical scheme of the present invention 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 central end ring, be respectively equipped with for insulation and fixing end end circle and openend circle at the two ends of every section tubular winding, openend circle positioned opposite on two sections tubular windings, two openend circles respectively outlet 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 respectively stem binding post and tail wiring terminal.
Preferably, described tubular winding comprises the tubular coil of the inside and outside nested setting number of turn that is turned to by wire 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 wire uniform thickness at the two ends of every layer of tubular coil.
Preferably, the cross section of described wire is circular, is processed by oxygen-free copper, scribbles insulating barrier at outer surface, 200 ℃ of insulating barrier heatproofs.
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 insulating cylinder, described end end circle, described openend circle and described central end ring are made by the modification diphenyl ether.
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 invention provides a kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil, it is a kind of dry transformer high-tension coil of sectional circular cartridge type structure, mainly containing the advantages such as the production and processing cycle is short, volume is little, raw materials is few, cost is low, loss is little, energy-saving effect is obvious, moisture proof, is a kind of energy-conservation transformer.
Description of drawings
Fig. 1 is traditional no-encapsulated-winding dry-type transformer high-voltage coil structure schematic diagram;
Fig. 2 is the axial cut-away view of Fig. 1;
Fig. 3 is a kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-voltage coil structure schematic diagram provided by the invention;
Fig. 4 is the local structure for amplifying schematic diagram of I part among Fig. 1.
Embodiment
For the present invention is become apparent, hereby with preferred embodiment, and cooperate accompanying drawing to be 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 provided by the invention 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 central end ring 19, be respectively equipped with for insulation and fixing end end circle 8 and openend circle 18 at the two ends of every section tubular winding, openend circle 18 positioned opposite on two sections tubular windings, two openend circles 18 respectively outlet 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 respectively stem binding post 9 and tail wiring terminal 11.
The tubular winding comprises the tubular coil of the inside and outside nested setting number of turn that is turned to by wire 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 wire 15 uniform thickness at the two ends of every layer of tubular coil.
The cross section of wire 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 of polyester film and polyester fibre non woven fabric (English referred to as SHS), 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 central end ring 19 are made by the modification diphenyl ether, are used for fixing wire 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 again improved mechanical strength and the dielectric strength of coil, has improved the moisture proof performance.
Claims (8)
1. 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil, it is characterized in that: comprise insulating cylinder (12) and be positioned at outer two sections of insulating cylinder (12) and wrap insulating barrier (13), the outside of wrapping insulating barrier (13) in every section is provided with one section outsourcing insulation (17), in every section, wrap between insulating barrier (13) and the outsourcing insulation (17) and be provided with one section tubular winding, between adjacent two sections tubular windings, be provided with central end ring (19), be respectively equipped with for insulation and fixing end end circle (8) and openend circle (18) at the two ends of every section tubular winding, openend circle (18) positioned opposite on two sections tubular windings, two openend circles (18) respectively outlet 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 respectively stem binding post (9) and tail wiring terminal (11).
2. a kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil as claimed in claim 1, it is characterized in that: described tubular winding comprises the tubular coil of the inside and outside nested setting number of turn that is turned to by wire (15) of multilayer, be provided with interlayer insulating film (16) between the adjacent two layers tubular coil, be respectively equipped with the end insulation system (14) with wire (15) uniform thickness at the two ends of every layer of tubular coil.
3. a kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil as claimed in claim 2, it is characterized in that: the cross section of described wire (15) is circular, is processed by oxygen-free copper, scribbles insulating barrier at outer surface, 200 ℃ of insulating barrier heatproofs.
4. a kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil as claimed in claim 2 is characterized in that: described interlayer insulating film (16) is the soft composite insulating foil of polyester film and polyester fibre non woven fabric, and thickness is 0.2mm.
5. a kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil as claimed in claim 1 is characterized in that: the outer surface at described outsourcing insulation (17) scribbles one deck insulation enamelled coating.
6. a kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil as claimed in claim 1, it is characterized in that: described insulating cylinder (12), described end end circle (8), described openend circle (18) and described central end ring (19) are made by the modification diphenyl ether.
7. a kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil as claimed in claim 1, it is characterized in that: described interior bag insulating barrier (13) and described outsourcing insulation (17) are the soft composite insulating foil of polyester film and polyester fibre non woven fabric, and thickness is 0.2mm.
8. a kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil as claimed in claim 1, it is characterized in that: the thickness of described insulating cylinder (12) is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210581855.9A CN103021637B (en) | 2012-12-27 | 2012-12-27 | A kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210581855.9A CN103021637B (en) | 2012-12-27 | 2012-12-27 | A kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103021637A true CN103021637A (en) | 2013-04-03 |
| CN103021637B CN103021637B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210581855.9A Active CN103021637B (en) | 2012-12-27 | 2012-12-27 | A kind of 6kV low capacity no-encapsulated-winding dry-type transformer high-tension coil |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2922081Y (en) * | 2006-03-31 | 2007-07-11 | 江苏华鹏变压器有限公司 | Multi-section multi-layer cylinder type transformer coil |
| CN201673763U (en) * | 2010-06-04 | 2010-12-15 | 陕西汉中变压器有限责任公司 | Open-type aluminium air-immersed transformer core |
| CN202120737U (en) * | 2011-06-22 | 2012-01-18 | 丁钰莹 | Novel high-tension coil of dry type transformer |
| CN102360837A (en) * | 2011-10-10 | 2012-02-22 | 正泰电气股份有限公司 | High-tension coil of dry-type transformer for photovoltaic power generation |
| CN202230847U (en) * | 2011-09-21 | 2012-05-23 | 三变科技股份有限公司 | Resin casting continuous coil of dry-type transformer |
| CN203103079U (en) * | 2012-12-27 | 2013-07-31 | 正泰电气股份有限公司 | 6kV small-capacity non-encapsulated dry type transformer high voltage coil |
-
2012
- 2012-12-27 CN CN201210581855.9A patent/CN103021637B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2922081Y (en) * | 2006-03-31 | 2007-07-11 | 江苏华鹏变压器有限公司 | Multi-section multi-layer cylinder type transformer coil |
| CN201673763U (en) * | 2010-06-04 | 2010-12-15 | 陕西汉中变压器有限责任公司 | Open-type aluminium air-immersed transformer core |
| CN202120737U (en) * | 2011-06-22 | 2012-01-18 | 丁钰莹 | Novel high-tension coil of dry type transformer |
| CN202230847U (en) * | 2011-09-21 | 2012-05-23 | 三变科技股份有限公司 | Resin casting continuous coil of dry-type transformer |
| CN102360837A (en) * | 2011-10-10 | 2012-02-22 | 正泰电气股份有限公司 | High-tension coil of dry-type transformer for photovoltaic power generation |
| CN203103079U (en) * | 2012-12-27 | 2013-07-31 | 正泰电气股份有限公司 | 6kV small-capacity non-encapsulated dry type transformer high voltage coil |
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| CN103021637B (en) | 2015-09-30 |
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