CN205900262U - A low blocking formula winding construction for two division dry -type transformer - Google Patents
A low blocking formula winding construction for two division dry -type transformer Download PDFInfo
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- CN205900262U CN205900262U CN201620737203.3U CN201620737203U CN205900262U CN 205900262 U CN205900262 U CN 205900262U CN 201620737203 U CN201620737203 U CN 201620737203U CN 205900262 U CN205900262 U CN 205900262U
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- low pressure
- paper tinsel
- row
- low
- loop
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Abstract
The utility model discloses a low blocking formula winding construction for two division dry -type transformer, low blocking formula winding construction includes the interior coil paper tinsel of low pressure and the low pressure outer winding paper tinsel of lap wound simultaneously, the welding of coil paper tinsel one end has the row of drawing in the interior coil in the low pressure, the welding of the coil paper tinsel other end has interior coil to introduce out row from other localities in the low pressure, low pressure outer winding paper tinsel one end welding has the row of drawing forth in the outer winding, the welding of the low pressure outer winding paper tinsel other end has the outer winding row of drawing outward, the row of drawing and the low pressure outer winding paper tinsel one end welding that is provided with the row of drawing in the outer winding in the interior coil, interior coil is introduced out row from other localities and is provided with the outer winding low pressure outer winding paper tinsel other end welding of the row of drawing outward. The utility model discloses simple structure, manufacturing cycle is short, material consumption is few, greatly reduced manufacturing cost.
Description
Technical field
This utility model be related to dry-type transformer loop construction and in particular to a kind of for double division dry-type transformers
Low-voltage foil type winding construction.
Background technology
Dual low voltage transformer is a very important special transformer equipment in electric power system, polyphase rectifier circuit.
It refers to the Multiple coil electricity that every low pressure winding by a high pressure winding and two or more voltages and capacity all same is constituted
Power transformator., compared with common transformer, the effect of limiting short-circuit current is notable for dual low voltage transformer；Motor is conducive to certainly to open
The improvement of dynamic condition；When division one branch road of winding is short-circuited fault, the busbar voltage fall very little of another branch road, that is, residual
Pressure is higher.
Two low pressure windings that traditional double divides dry-type transformer are independent winding, or divide vertically along spoke (footpath) to division
Split arrangement, structure is complex, and the manufacturing cycle is long, high material consumption, transformator cost increased.
Utility model content
This utility model is in order to solve the above problems, thus providing a kind of low-voltage foil type for double division dry-type transformers
Winding construction.
For reaching above-mentioned purpose, the technical solution of the utility model is as follows:
A kind of for double division dry-type transformers low-voltage foil type winding constructions it is characterised in that described low-voltage foil type around
Group structure include can the low pressure interior loop paper tinsel of lap wound and low pressure exterior loop paper tinsel simultaneously, in described low pressure interior loop paper tinsel one end is welded with
The row of extraction in coil, the described low pressure interior loop paper tinsel other end is welded with the row of extraction outside interior loop, described low pressure exterior loop paper tinsel one end
It is welded with the row of extraction in exterior loop, the described low pressure exterior loop paper tinsel other end is welded with the row of extraction outside exterior loop, in described interior loop
The row of extraction and the low pressure exterior loop paper tinsel one end welding being provided with the interior row of extraction of exterior loop, extraction outside described interior loop is arranged and is provided with
The low pressure exterior loop paper tinsel other end welding of the row of extraction outside exterior loop.
In a preferred embodiment of the present utility model, between low pressure interior loop paper tinsel and low pressure exterior loop paper tinsel, it is provided with layer
Between insulating paper.
In a preferred embodiment of the present utility model, outside low pressure interior loop paper tinsel, it is provided with layer insulation paper.
In a preferred embodiment of the present utility model, outside low pressure exterior loop paper tinsel, it is provided with layer insulation paper.
In a preferred embodiment of the present utility model, low-voltage foil type winding construction is axially provided with least one
Cooling airway, is designed with an air flue rod in each cooling airway.
The beneficial effects of the utility model are:
This utility model structure is simple, and the manufacturing cycle is short, and material consumption is few, greatly reduces manufacturing cost.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is phantom of the present utility model.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that this utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and this utility model is expanded on further.
Referring to Fig. 1, the low-voltage foil type winding construction for double division dry-type transformers that this utility model provides, it includes
Low pressure interior loop paper tinsel 100 and low pressure exterior loop paper tinsel 200, low pressure interior loop paper tinsel 100 is identical with the length of low pressure exterior loop paper tinsel 200,
And low pressure interior loop paper tinsel 100 and low pressure exterior loop paper tinsel 200 are wholely set, lap wound can be carried out simultaneously.
Low pressure interior loop paper tinsel 100, is welded with extraction row 110 in interior loop in its one end, is welded with interior lines in its other end
Circle is outer to draw row 120.
Low pressure exterior loop paper tinsel 200, is welded with extraction row 210 in exterior loop in its one end, is welded with outside line in its other end
Circle is outer to draw row 220.
Low pressure interior loop paper tinsel 100 one end pass through interior loop in draw row 110 be provided with exterior loop draw row 210 low
Pressure exterior loop paper tinsel 200 one end is welded and fixed and is integrated, low pressure interior loop paper tinsel 100 other end pass through outside interior loop the row of extraction 120 with
Low pressure exterior loop paper tinsel 200 other end being provided with the row of extraction 220 outside exterior loop is welded and fixed and is integrated.
So, by above-mentioned enforcement, only low pressure exterior loop paper tinsel 200 periphery need to be carried out colligation, coil drying, dipping, consolidate
So that it may make low pressure interior loop paper tinsel 100 and low pressure exterior loop paper tinsel 200 be integrally formed after the PROCESS FOR TREATMENT such as change, and low pressure interior lines
Circle paper tinsel 100 and low pressure exterior loop paper tinsel 200 also can together with carry out lap wound simultaneously, furthermore, also do not affect low pressure interior loop paper tinsel 100 and low
The performance of pressure exterior loop paper tinsel 200.
In order to improve insulating properties and the pressure interior loop paper tinsel 100 and low of low pressure interior loop paper tinsel 100 and low pressure exterior loop paper tinsel 200
Insulating properties between pressure exterior loop paper tinsel 200, is provided with layer insulation between low pressure interior loop paper tinsel 100 and low pressure exterior loop paper tinsel 200
Paper 300, is also respectively equipped with layer insulation paper 300 in the outside of low pressure interior loop paper tinsel 100 and low pressure exterior loop paper tinsel 200.
In addition, in order to reduce thickness, the thickness of layer insulation paper 300 is only 0.2～0.25mm so that in interior loop
In the row of extraction 110 and exterior loop, the row of extraction 120 and the row of extraction outside exterior loop outside spacing and the interior loop between 210 are arranged in extraction
Spacing between 220 is only 0.2～0.25mm.
In order to improve performance of ventilating, to meet the heat dissipation ventilation need of low pressure interior loop paper tinsel 100 and low pressure exterior loop paper tinsel 200
Will, the application is axially provided with least one of which cooling airway, places in this layer of cooling airway Nei Yan center one circle during coiling
Many air flue rods 400, so separate air flue interior loop paper tinsel and air flue exterior loop paper tinsel, are formed between every two air flue rods 400
Air flue hole 500, is easy between air flue inner-outer coil paper tinsel be aerated by air flue hole 500.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, these changes and improvements both fall within the range of claimed this utility model.This utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (5)
1. a kind of low-voltage foil type winding constructions for double division dry-type transformers are it is characterised in that described low-voltage foil type winding
Structure include can the low pressure interior loop paper tinsel of lap wound and low pressure exterior loop paper tinsel simultaneously, described low pressure interior loop paper tinsel one end is welded with interior lines
The row of extraction in circle, the described low pressure interior loop paper tinsel other end is welded with the row of extraction outside interior loop, the weldering of described low pressure exterior loop paper tinsel one end
It is connected to the row of extraction in exterior loop, the described low pressure exterior loop paper tinsel other end is welded with the row of extraction outside exterior loop, draws in described interior loop
The low pressure exterior loop paper tinsel one end welding going out row and being provided with exterior loop interior extraction row, extraction outside described interior loop is arranged and is provided with outer
The low pressure exterior loop paper tinsel other end welding of the row of extraction outside coil.
2. a kind of low-voltage foil type winding construction for double division dry-type transformers according to claim 1, its feature exists
In being provided with layer insulation paper between low pressure interior loop paper tinsel and low pressure exterior loop paper tinsel.
3. a kind of low-voltage foil type winding construction for double division dry-type transformers according to claim 1, its feature exists
In being provided with layer insulation paper outside low pressure interior loop paper tinsel.
4. a kind of low-voltage foil type winding construction for double division dry-type transformers according to claim 1, its feature exists
In being provided with layer insulation paper outside low pressure exterior loop paper tinsel.
5. a kind of low-voltage foil type winding construction for double division dry-type transformers according to claim 1, its feature exists
In low-voltage foil type winding construction is axially provided with least one cooling airway, is designed with an air flue in each cooling airway
Rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620737203.3U CN205900262U (en) | 2016-07-13 | 2016-07-13 | A low blocking formula winding construction for two division dry -type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620737203.3U CN205900262U (en) | 2016-07-13 | 2016-07-13 | A low blocking formula winding construction for two division dry -type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205900262U true CN205900262U (en) | 2017-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620737203.3U Expired - Fee Related CN205900262U (en) | 2016-07-13 | 2016-07-13 | A low blocking formula winding construction for two division dry -type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205900262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597801A (en) * | 2018-04-20 | 2018-09-28 | 江西特种变压器厂 | A kind of cast foil winding reducing eddy-current loss and its manufacturing method |
-
2016
- 2016-07-13 CN CN201620737203.3U patent/CN205900262U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597801A (en) * | 2018-04-20 | 2018-09-28 | 江西特种变压器厂 | A kind of cast foil winding reducing eddy-current loss and its manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20200713 |
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| CF01 | Termination of patent right due to non-payment of annual fee |