CN207909697U - A kind of transformer non-exciting regulation wire turn structure - Google Patents
A kind of transformer non-exciting regulation wire turn structure Download PDFInfo
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- CN207909697U CN207909697U CN201721246906.7U CN201721246906U CN207909697U CN 207909697 U CN207909697 U CN 207909697U CN 201721246906 U CN201721246906 U CN 201721246906U CN 207909697 U CN207909697 U CN 207909697U
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- regulation wire
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Abstract
The utility model is related to transformer technology fields, specifically propose a kind of transformer non-exciting regulation wire turn structure, it is distributed in inside the high-voltage winding of transformer, it is entangled with formula unit including two, each formula unit of being entangled with includes three line cakes, line cake among three line cakes is to be entangled with formula line cake, the line cake at both ends is continous way line cake, it is used for non-excitation pressure adjustment by being entangled with the transformer that formula line cake and the collective effect of continous way line cake so that the utility model is suitable for different occasions, two wire turn structures for being entangled with formula unit keep field distribution at winding pressure regulation wire turn more uniform, it being capable of effective protection winding under by Impulse Voltage, by reducing turn-to-turn gradient, to reduce the damage of overvoltage.The utility model, which solves, has waste transformer high-voltage space and the problems such as operation difficulty is big in traditional pressure regulation wire turn production, realize make full use of the axial direction of winding and radial space, winding pressure regulation wire turn at the more uniform function of field distribution.
Description
Technical field
The utility model is related to transformer technology field, more particularly to a kind of transformer non-exciting regulation wire turn structure.
Background technology
The equal response green development of each transformer factory at present, advocates energy-saving consumption-reducing.In common high wafering type continuous winding,
Pressure regulation wire turn is distributed in inside high-voltage winding, by taking ± 2 × 2.5% range of regulation as an example, is tapped out using double cake formulas mostly
Header structure is generally entangled with formula tap structure by 8 cake continous ways or 4 cakes and forms pressure regulation wire turn, these traditional pressure regulation wire turns are deposited
In certain limitation.
Using the pressure regulation wire turn of 8 cake continuous structures as shown in Figure 1, usually because single in the production of the type pressure regulation wire turn
The arrangement of a cake wire turn is discontented, and existing discontented circle can only be filled and led up with insulation filler strip, to cause transformer high-voltage space
Waste；It is entangled with the pressure regulation wire turn of formula structure using 4 cakes as shown in Fig. 2, sometimes because of single line in the production of the type pressure regulation wire turn
Cake the number of turns is excessive, and pressure regulation wire turn is radial excessive after arranging out, leads to normal high-voltage line cake and can not use, to change
Pressure regulation wire gauge, the conducting wire of thinner thickness larger using width are virtually increasing axis of winding height and behaviour again in this way
Make difficulty.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of transformer non-exciting regulation wire turn structure, solves
There is waste transformer high-voltage space in traditional pressure regulation wire turn production and the problems such as operation difficulty is big, realize make full use of around
The more uniform function of field distribution at the axial direction and radial space of group, the pressure regulation wire turn of winding, has and reduces transformer
Volume, the advantages that reducing cost.
To achieve the goals above, the utility model is realized using following technical scheme：A kind of transformer is without Excitation Adjustment
Crimping circle structure, is distributed in inside the high-voltage winding of transformer, including two are entangled with formula unit, and it includes three to be each entangled with formula unit
A line cake, the line cake among three line cakes are to be entangled with formula line cake, and the line cake at both ends is continous way line cake, by be entangled with formula line cake with
The collective effect of continous way line cake makes the transformer that the utility model is suitable for different occasions be used for non-excitation pressure adjustment, and two are entangled
The wire turn structure of eliminant unit makes at winding pressure regulation wire turn that field distribution is more uniform, can have under by Impulse Voltage
Protective winding is imitated, by reducing turn-to-turn gradient, to reduce the damage of overvoltage.
As a kind of optimal technical scheme of the design, tap-changing windings are in series in the high-voltage winding of the transformer, institute
The tap-changing windings stated are connected with off circuit tap changer, and tap-changing windings are placed on the outermost of the high-voltage winding of transformer.
As a kind of optimal technical scheme of the design, described two composition sequences for being entangled with unit center line cake are respectively
Anti- cake, positive cake, anti-cake and positive cake, anti-cake, positive cake, the previous coiling sequence for being entangled with unit are first two anti-cakes of coiling simultaneously,
Then bottom transposition is finished changing, the positive cake among transposition coiling above breaks according to after the completion of the number of turns coiling of positive cake, stays and enough lift one's head
Good positive cake is bound after length, then rolls up the anti-cake on both sides, and unit is entangled in the i.e. completion one of lifting one's head of two anti-cakes of binding；It is latter
A coiling sequence for being entangled with unit is the anti-cake among first coiling, and the good anti-cake of binding is lifted one's head after rolling up anti-cake, just further according to two
The number of turns of cake binds and lifts one's head around the positive cake for making both ends.
As a kind of optimal technical scheme of the design, be individually entangled with formula line cake around to according to high-voltage winding around always
It determines, the number of turns of the utility model pressure regulation wire turn is calculated according to the total number of turns of high-voltage winding, determines total circle of high-voltage winding
After number, radial according to high-voltage winding selects the suitable pressure regulation wire turn to be distributed.
As a kind of optimal technical scheme of the design, be distributed in specific location inside the high-voltage winding of transformer according to
The mode of connection of high-voltage winding interior loop is that star connects or corner connection determines.
As a kind of optimal technical scheme of the design, insulating coefficient is more than the insulating coefficient of ordinary high pressure wire turn, general
Logical high pressure wire turn refers to by the wire turn of copper wire coiling.
As a kind of optimal technical scheme of the design, the lead-out wire of the off circuit tap changer is 6 lines, 4 lines, 2
Line, 3 lines, 5 lines and 7 lines constitute ± 2 × 2.5% range of regulation.
The advantageous effect of this programme is mainly reflected in：Compared with prior art, the utility model can solve traditional pressure regulation
There is waste transformer high-voltage space and the problems such as operation difficulty is big in wire turn production, realize make full use of the axial direction of winding with
Radial space, winding pressure regulation wire turn at the more uniform function of field distribution, have reduce transformer volume, reduce at
This advantages that.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the pressure regulation wire turn structure chart of traditional continuous structure；
Fig. 2 is the pressure regulation wire turn structure chart that tradition is entangled with formula structure；
Fig. 3 is the pressure regulation wire turn structure chart of utility model device.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.It should be noted that in the absence of conflict, in the application
Feature in embodiment and embodiment can be combined with each other.
As shown in figure 3, a kind of transformer non-exciting regulation wire turn structure, is distributed in inside the high-voltage winding of transformer, packet
It includes two and is entangled with formula unit, it includes three line cakes to be each entangled with formula unit, and the line cake among three line cakes is to be entangled with formula line cake, and two
The line cake at end is continous way line cake, by being entangled with formula line cake and the collective effect of continous way line cake the utility model is suitable for
The transformer of different occasions is used for non-excitation pressure adjustment, and two wire turn structures for being entangled with formula unit make electric field point at winding pressure regulation wire turn
Cloth is more uniform, under by Impulse Voltage can effective protection winding, by reduce turn-to-turn gradient, to reduce overvoltage
Damage.
As a kind of optimal technical scheme of the design, tap-changing windings are in series in the high-voltage winding of the transformer, institute
The tap-changing windings stated are connected with off circuit tap changer, and tap-changing windings are placed on the outermost of the high-voltage winding of transformer.
As a kind of optimal technical scheme of the design, described two composition sequences for being entangled with unit center line cake are respectively
Anti- cake, positive cake, anti-cake and positive cake, anti-cake, positive cake, the previous coiling sequence for being entangled with unit are first two anti-cakes of coiling simultaneously,
Then bottom transposition is finished changing, the positive cake among transposition coiling above breaks according to after the completion of the number of turns coiling of positive cake, stays and enough lift one's head
Good positive cake is bound after length, then rolls up the anti-cake on both sides, and unit is entangled in the i.e. completion one of lifting one's head of two anti-cakes of binding；It is latter
A coiling sequence for being entangled with unit is the anti-cake among first coiling, and the good anti-cake of binding is lifted one's head after rolling up anti-cake, just further according to two
The number of turns of cake binds and lifts one's head around the positive cake for making both ends.
As a kind of optimal technical scheme of the design, be individually entangled with formula line cake around to according to high-voltage winding around always
It determines, the number of turns of the utility model pressure regulation wire turn is calculated according to the total number of turns of high-voltage winding, determines total circle of high-voltage winding
After number, radial according to high-voltage winding selects the suitable pressure regulation wire turn to be distributed.
As a kind of optimal technical scheme of the design, be distributed in specific location inside the high-voltage winding of transformer according to
The mode of connection of high-voltage winding interior loop is that star connects or corner connection determines.
As a kind of optimal technical scheme of the design, insulating coefficient is more than the insulating coefficient of ordinary high pressure wire turn, general
Logical high pressure wire turn refers to by the wire turn of copper wire coiling.
As a kind of optimal technical scheme of the design, the lead-out wire of the off circuit tap changer is 6 lines, 4 lines, 2
Line, 3 lines, 5 lines and 7 lines constitute ± 2 × 2.5% range of regulation.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the only explanation of the description in above embodiments and description
The principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model also have various changes
Change and improve, these various changes and improvements fall within the scope of the claimed invention.The requires of the utility model protects model
It encloses and is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of transformer non-exciting regulation wire turn structure, is distributed in inside the high-voltage winding of transformer, including two are entangled with formula
Unit, it is characterised in that：Each formula unit of being entangled with includes three line cakes, and intermediate line cake is to be entangled with formula line cake, the line cake at both ends
For continous way line cake.
2. a kind of transformer non-exciting regulation wire turn structure according to claim 1, it is characterised in that：The transformer
Tap-changing windings are in series in high-voltage winding, the tap-changing windings are connected with off circuit tap changer, and tap-changing windings are placed on change
The inside of the high-voltage winding of depressor or outermost.
3. a kind of transformer non-exciting regulation wire turn structure according to claim 1, it is characterised in that：Described two entangle
The composition sequence of statement of account member center line cake is anti-cake, positive cake, anti-cake and positive cake, anti-cake, positive cake respectively.
4. a kind of transformer non-exciting regulation wire turn structure according to claim 1, it is characterised in that：Individually it is entangled with formula line
Cake around to according to high-voltage winding around always determining.
5. a kind of transformer non-exciting regulation wire turn structure according to claim 1, it is characterised in that：It is distributed in transformer
High-voltage winding inside specific location according to the mode of connection of high-voltage winding interior loop be star connect or corner connection determine.
6. a kind of transformer non-exciting regulation wire turn structure according to claim 1, it is characterised in that：Its insulating coefficient is big
In the insulating coefficient of ordinary high pressure wire turn.
7. a kind of transformer non-exciting regulation wire turn structure according to claim 2, it is characterised in that：It is described without excitation
The lead-out wire of tap switch is 6 lines, 4 lines, 2 lines, 3 lines, 5 lines and 7 lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721246906.7U CN207909697U (en) | 2017-09-26 | 2017-09-26 | A kind of transformer non-exciting regulation wire turn structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721246906.7U CN207909697U (en) | 2017-09-26 | 2017-09-26 | A kind of transformer non-exciting regulation wire turn structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207909697U true CN207909697U (en) | 2018-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721246906.7U Expired - Fee Related CN207909697U (en) | 2017-09-26 | 2017-09-26 | A kind of transformer non-exciting regulation wire turn structure |
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| CN (1) | CN207909697U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382503A (en) * | 2020-11-09 | 2021-02-19 | 保定保菱变压器有限公司 | SF (sulfur hexafluoride)6Winding method of winding component connection area of gas-insulated transformer |
| CN112489987A (en) * | 2020-11-30 | 2021-03-12 | 保定天威集团特变电气有限公司 | Manufacturing method and structure of coil matched with number of turns of voltage regulation and transformer |
| CN112599349A (en) * | 2020-11-30 | 2021-04-02 | 保定天威集团特变电气有限公司 | Winding method of coil tapping area and transformer |
| CN112951585A (en) * | 2021-01-29 | 2021-06-11 | 保定天威集团特变电气有限公司 | Three-cake intertwining reverse unit manufacturing method, structure and transformer |
-
2017
- 2017-09-26 CN CN201721246906.7U patent/CN207909697U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382503A (en) * | 2020-11-09 | 2021-02-19 | 保定保菱变压器有限公司 | SF (sulfur hexafluoride)6Winding method of winding component connection area of gas-insulated transformer |
| CN112489987A (en) * | 2020-11-30 | 2021-03-12 | 保定天威集团特变电气有限公司 | Manufacturing method and structure of coil matched with number of turns of voltage regulation and transformer |
| CN112599349A (en) * | 2020-11-30 | 2021-04-02 | 保定天威集团特变电气有限公司 | Winding method of coil tapping area and transformer |
| CN112599349B (en) * | 2020-11-30 | 2022-08-05 | 保定天威集团特变电气有限公司 | Winding method of coil tapping area and transformer |
| CN112489987B (en) * | 2020-11-30 | 2022-09-02 | 保定天威集团特变电气有限公司 | Manufacturing method and structure of coil matched with number of turns of voltage regulation and transformer |
| CN112951585A (en) * | 2021-01-29 | 2021-06-11 | 保定天威集团特变电气有限公司 | Three-cake intertwining reverse unit manufacturing method, structure and transformer |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 Termination date: 20180926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |