CN209880365U - Low-voltage copper bar outgoing structure of triangular three-dimensional iron core dry-type distribution transformer - Google Patents
Low-voltage copper bar outgoing structure of triangular three-dimensional iron core dry-type distribution transformer Download PDFInfo
- Publication number
- CN209880365U CN209880365U CN201920382864.2U CN201920382864U CN209880365U CN 209880365 U CN209880365 U CN 209880365U CN 201920382864 U CN201920382864 U CN 201920382864U CN 209880365 U CN209880365 U CN 209880365U
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- China
- Prior art keywords
- copper bar
- low pressure
- low
- iron core
- looks
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 93
- 239000010949 copper Substances 0.000 title claims abstract description 93
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 230000016507 interphase Effects 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model aims to disclose a triangle-shaped three-dimensional iron core dry-type distribution transformer low pressure copper bar outlet structure, it includes low pressure a looks copper bar, low pressure b looks copper bar, low pressure c looks copper bar and low pressure 0 looks copper bar, and low pressure b looks copper bar draws forth from the middle part of the triangle-shaped iron core, and low pressure a looks copper bar and low pressure c looks copper bar set up respectively in low pressure b looks copper bar both sides, and low pressure 0 looks copper bar sets up in one side of low pressure a looks copper bar; compared with the prior art, low pressure b looks copper bar is drawn forth from triangle-shaped iron core middle part, has solved the balance problem of alternate resistance and line resistance effectively, has saved the copper bar, realizes the utility model discloses a purpose.
Description
Technical Field
The utility model relates to a low pressure copper bar outlet structure, in particular to triangle-shaped three-dimensional iron core dry-type (epoxy resin pouring type or non-encapsulated type) distribution transformer low pressure copper bar outlet structure.
Background
The triangular three-dimensional rolled iron core or the triangular three-dimensional folded open iron core is formed by three core columns which are in an equilateral triangle shape in a three-dimensional arrangement mode, the structure is reasonable, the winding is compact, no air gap exists in a magnetic circuit, the lengths of the three magnetic circuits are consistent, the three magnetic circuits are all shortest, the cross-sectional areas of the core columns of the iron core are close to a circle, the performance is further improved, and therefore the three-dimensional rolled iron core or the three-dimensional folded open iron core has the advantages of low loss, low noise, three-phase balance.
In the prior art, the b-phase copper bar in the shape of the triangular three-dimensional rolled iron core or the triangular three-dimensional folded open iron core is arranged on the outer side of the iron core, so that the length of the copper bar is increased, and the resistance between phases and lines is difficult to balance.
Therefore, a low-voltage copper bar outgoing line structure of a triangular three-dimensional iron core dry-type distribution transformer is particularly needed to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a triangle-shaped three-dimensional iron core dry-type distribution transformer low pressure copper bar outlet structure, to prior art's not enough, has solved the balance problem of alternate resistance and line resistance effectively, has saved the copper bar.
The utility model provides a technical problem can adopt following technical scheme to realize:
the utility model provides a triangle-shaped three-dimensional iron core dry-type distribution transformer low pressure copper bar outlet structure, its characterized in that, it includes low pressure a looks copper bar, low pressure b looks copper bar, low pressure c looks copper bar and low pressure 0 looks copper bar, and low pressure b looks copper bar is drawn forth from the triangle-shaped iron core middle part, and low pressure a looks copper bar and low pressure c looks copper bar set up respectively in low pressure b looks copper bar both sides, and low pressure 0 looks copper bar sets up in one side of low pressure a looks copper bar.
In an embodiment of the present invention, the low-voltage a-phase copper bar and the low-voltage b-phase copper bar are connected to each other on the upper portion of the three-dimensional iron core.
In an embodiment of the present invention, the low-voltage c-phase copper bar and the low-voltage b-phase copper bar are connected to the upper portion of the three-dimensional iron core.
In an embodiment of the present invention, the length of the low-voltage a-phase copper bar is close to the length of the low-voltage b-phase copper bar.
In an embodiment of the present invention, the length of the low-voltage c-phase copper bar is close to the length of the low-voltage b-phase copper bar.
The utility model discloses a three-dimensional iron core dry-type distribution transformer of triangle-shaped low pressure copper bar outlet structure compares with prior art, and low pressure b looks copper bar is drawn forth from triangle-shaped iron core middle part, has solved the balance problem of interphase resistance and line resistance effectively, has saved the copper bar, realizes the utility model discloses a purpose.
The features of the present invention will be apparent from the accompanying drawings and from the detailed description of the preferred embodiments which follows.
Drawings
Fig. 1 is a schematic structural view of a low-voltage copper bar outgoing line structure of the triangular three-dimensional iron core dry-type distribution transformer of the present invention;
fig. 2 is a schematic structural view of the top view of fig. 1.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Examples
As shown in fig. 1 and 2, the utility model discloses a triangle-shaped three-dimensional iron core dry-type distribution transformer low pressure copper bar outlet structure, it includes low pressure an looks copper bar 10, low pressure b looks copper bar 20, low pressure c looks copper bar 30 and low pressure 0 looks copper bar 40, and low pressure b looks copper bar 20 is drawn forth from the 50 middle parts of triangle-shaped iron core, and low pressure a looks copper bar 10 sets up respectively in low pressure b looks copper bar 20 both sides with low pressure c looks copper bar 30, and low pressure 0 looks copper bar 40 sets up the one side at low pressure a looks copper bar 10.
In the embodiment, the low-voltage a-phase copper bar 10 and the low-voltage b-phase copper bar 20 are connected at the upper part of the three-dimensional iron core 50; the low-voltage c-phase copper bar 30 is connected with the low-voltage b-phase copper bar 20 at the upper part of the three-dimensional iron core 50.
In the embodiment, the length of the low-voltage a-phase copper bar 10 is close to that of the low-voltage b-phase copper bar 20; the length of the low-voltage c-phase copper bar 30 is close to that of the low-voltage b-phase copper bar 20.
The utility model discloses a three-dimensional iron core dry-type distribution transformer low pressure copper bar outlet structure of triangle-shaped, low pressure b looks copper bar 20 is drawn forth from 50 middle parts of triangle-shaped iron core, make low pressure b looks copper bar 20's length and low pressure a looks copper bar 10's length and low pressure c looks copper bar 30's length be close mutually, the three-phase interphase resistance reaches balance (national standard is that interphase resistance is less than or equal to 4%, line resistance is less than or equal to 2%) with line resistance very easily, the balance problem of interphase resistance and line resistance has been solved effectively, and the copper bar has been saved.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (5)
1. The utility model provides a triangle-shaped three-dimensional iron core dry-type distribution transformer low pressure copper bar outlet structure, its characterized in that, it includes low pressure a looks copper bar, low pressure b looks copper bar, low pressure c looks copper bar and low pressure 0 looks copper bar, and low pressure b looks copper bar is drawn forth from the triangle-shaped iron core middle part, and low pressure a looks copper bar and low pressure c looks copper bar set up respectively in low pressure b looks copper bar both sides, and low pressure 0 looks copper bar sets up in one side of low pressure a looks copper bar.
2. The low-voltage copper bar outgoing structure of the triangular stereoscopic iron core dry-type distribution transformer of claim 1, wherein the low-voltage a-phase copper bar and the low-voltage b-phase copper bar are connected at the upper part of the stereoscopic iron core.
3. The low-voltage copper bar outgoing structure of the triangular stereoscopic iron core dry-type distribution transformer of claim 1, wherein the low-voltage c-phase copper bar is connected with the low-voltage b-phase copper bar at the upper part of the stereoscopic iron core.
4. The low-voltage copper bar outgoing structure of the triangular three-dimensional iron core dry-type distribution transformer of claim 1, wherein the length of the low-voltage a-phase copper bar is matched with the length of the low-voltage b-phase copper bar.
5. The low-voltage copper bar outgoing structure of the triangular three-dimensional iron core dry-type distribution transformer of claim 1, wherein the length of the low-voltage c-phase copper bar is matched with the length of the low-voltage b-phase copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920382864.2U CN209880365U (en) | 2019-03-25 | 2019-03-25 | Low-voltage copper bar outgoing structure of triangular three-dimensional iron core dry-type distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920382864.2U CN209880365U (en) | 2019-03-25 | 2019-03-25 | Low-voltage copper bar outgoing structure of triangular three-dimensional iron core dry-type distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209880365U true CN209880365U (en) | 2019-12-31 |
Family
ID=68956479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920382864.2U Expired - Fee Related CN209880365U (en) | 2019-03-25 | 2019-03-25 | Low-voltage copper bar outgoing structure of triangular three-dimensional iron core dry-type distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209880365U (en) |
-
2019
- 2019-03-25 CN CN201920382864.2U patent/CN209880365U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |