CN207250297U - A kind of transformer low voltage winding star, triangular form winding switch device - Google Patents
A kind of transformer low voltage winding star, triangular form winding switch device Download PDFInfo
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- CN207250297U CN207250297U CN201721293710.3U CN201721293710U CN207250297U CN 207250297 U CN207250297 U CN 207250297U CN 201721293710 U CN201721293710 U CN 201721293710U CN 207250297 U CN207250297 U CN 207250297U
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Abstract
The utility model discloses a kind of transformer low voltage winding star, triangular form winding switch device, including a phase windings, b phase windings, c phase windings and neutral conductor n, a phase windings, b phase windings, the tail end of each winding is respectively connected with folk art term bit switch end of incoming cables on c phase windings, one end is all connected to neutral conductor n in two leading-out terminals of folk art term bit switch, and the other end is connected respectively to the beginning of adjacent winding；The utility model realized the conversion of mesolow winding star, triangular form, saved manufacture cost, reduced floor space and volume by the connection mode of folk art term bit switch and leading-out terminal, control gear connection leading-out terminal, movement and carrying during easy to impart knowledge to students.Conversion equipment is arranged on transformer-cabinet, easy to conversion operation.
Description
Technical field
The utility model belongs to transformer winding converter technique field, and in particular to a kind of transformer low voltage winding star, three
Angle-style winding switch device.
Background technology
Since indoor training venue space is limited, if simulator configures high-power transformer, of high cost, occupied space is big,
Heaviness, is not easy to carry.
The content of the invention
The utility model solve technical problem be：A kind of transformer low voltage winding star, triangular form winding switch dress are provided
Put, realize the conversion of mesolow winding star, triangular form, saved manufacture cost, reduced floor space and volume, easy to impart knowledge to students
When movement and carrying, conversion equipment is arranged on transformer-cabinet, easy to conversion operation, to solve above-mentioned to deposit in the prior art
The problem of.
The technical solution that the utility model is taken is：A kind of transformer low voltage winding star, triangular form winding switch device, bag
Include a phase windings, b phase windings, c phase windings and the neutral conductor n, a phase winding, b phase windings, the tail end of each winding is divided equally on c phase windings
Folk art term bit switch end of incoming cables is not connected with, and one end is all connected to neutral conductor n, other end difference in two leading-out terminals of folk art term bit switch
It is connected to the beginning of adjacent winding.
Preferably, above-mentioned folk art term bit switch includes a phase folk art terms bit switch, b phase folk art term bit switches and c phase folk art terms position and opens
Close, two leading-out terminals of a phase folk art term bit switches are connected respectively to neutral conductor n and c phase winding beginning, the scene 2 of b phase folk art term bit switches
Line end is connected respectively to neutral conductor n and a phase winding beginning, two leading-out terminals of c phase folk art term bit switches be connected respectively to neutral conductor n and
B phase windings beginning.
The beneficial effects of the utility model：Compared with prior art, the utility model is by mesolow winding（Star, triangular form
Wiring）Share, mesolow winding only needs one group of winding of coiling, and mesolow winding star, triangle are realized by double gear control switches
The conversion of type, has saved manufacture cost, has reduced floor space and volume, movement and carrying during easy to impart knowledge to students.Conversion equipment
It is arranged on transformer-cabinet, easy to conversion operation, the utility model also has the function of the characteristics of practical, more.
Brief description of the drawings
Fig. 1 is the star winding mapped structure schematic diagram of the utility model；
Fig. 2 is the schematic diagram after the conversion of Fig. 1；
Fig. 3 is the connection mode figure of the connection group of star winding conversion post-simulation transformer；
Fig. 4 is the delta windings structure diagram of the utility model；
Fig. 5 is the schematic diagram after the conversion of Fig. 4；
Fig. 6 is the connection mode figure of the connection group of delta windings conversion post-simulation transformer.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described further in specific embodiment.
Embodiment 1：As shown in Fig. 1-Fig. 6, a kind of transformer low voltage winding star, triangular form winding switch device, including a
Phase winding, b phase windings, c phase windings and the neutral conductor n, a phase winding, b phase windings, the tail end of each winding respectively connects on c phase windings
Folk art term bit switch end of incoming cables is connected to, one end is all connected to neutral conductor n in two leading-out terminals of folk art term bit switch, and the other end connects respectively
To the beginning of adjacent winding.
Preferably, above-mentioned folk art term bit switch includes a phase folk art terms bit switch, b phase folk art term bit switches and c phase folk art terms position and opens
Close, two leading-out terminals of a phase folk art term bit switches are connected respectively to neutral conductor n and c phase winding beginning, the scene 2 of b phase folk art term bit switches
Line end is connected respectively to neutral conductor n and a phase winding beginning, two leading-out terminals of c phase folk art term bit switches be connected respectively to neutral conductor n and
B phase windings beginning.
Being emulated in the present embodiment using 110kV transformers, 110kV transformer connection groups are Ynyn0d11, high,
In, low three side winding be respectively：Star, star, triangular form wiring, rated voltage ratio is respectively 110/38.5/10.5kV, due to interior
Training venue space is limited, it is impossible to and high-power transformer is configured, is considered in the present embodiment from cost-effective and diminution volume and weight,
By mesolow winding（Star, triangular form wiring）Share, mesolow winding only needs one group of winding of coiling, passes through the converting means of design
Put, realize the conversion of mesolow winding star, triangular form.Manufacture cost has been saved, has reduced floor space and volume, easy to impart knowledge to students
When movement and carrying.Conversion equipment is arranged on transformer-cabinet, easy to conversion operation.
Use principle：As shown in Figure 1, when transformer is transformed to star-connection, only need to be by folk art term bit switch in figure（Low pressure
It is spaced apart or push-button switch）Switch 1k, switch 2k, switch 3k closure, at this time switch 4k, switch 5k, switch 6k be in disconnect
State, you can complete the conversion of star-connection, simplification figure is as shown in Fig. 2, the connection that the connection group of emulation transformer is YNyn0
Mode, as shown in Figure 3.
As shown in figure 4, when transformer is transformed to triangular form wiring, only need to be by the switch 1k of folk art term bit switch, switch in figure
2k, 3 k of switch are disconnected, closure switch 4k, switch 5k, switch 6k, you can complete the conversion of delta connection, triangle at this time
Wiring is low-pressure side winding, and simplification figure is as shown in figure 5, the connection mode that the connection group of emulation transformer is YNd11, such as Fig. 6
It is shown.
The above, is only specific embodiment of the present utility model example, the scope of protection of the utility model not office
It is limited to this.Be familiar with the those skilled in the art in the technical scope that the utility model discloses, can easily find change or
Substitute mode, these should be covered within the scope of the utility model.For this reason, the scope of protection of the utility model should be with
Subject to the scope of the claims.
Claims (2)
1. a kind of transformer low voltage winding star, triangular form winding switch device, it is characterised in that：Including a phase windings, b phase windings,
C phase windings and the neutral conductor n, a phase winding, b phase windings, the tail end of each winding is respectively connected with folk art term bit switch on c phase windings
End of incoming cables, one end is all connected to neutral conductor n in two leading-out terminals of folk art term bit switch, and the other end is connected respectively to adjacent winding
Beginning.
2. a kind of transformer low voltage winding star according to claim 1, triangular form winding switch device, it is characterised in that：
Folk art term bit switch includes a phase folk art terms bit switch, b phase folk art term bit switches and c phase folk art term bit switches, and the two of a phase folk art term bit switches
Leading-out terminal is connected respectively to neutral conductor n and c phase winding beginning, and two leading-out terminals of b phase folk art term bit switches are connected respectively to neutral conductor n
With a phase windings beginning, two leading-out terminals of c phase folk art term bit switches are connected respectively to neutral conductor n and b phase winding beginning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721293710.3U CN207250297U (en) | 2017-10-09 | 2017-10-09 | A kind of transformer low voltage winding star, triangular form winding switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721293710.3U CN207250297U (en) | 2017-10-09 | 2017-10-09 | A kind of transformer low voltage winding star, triangular form winding switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207250297U true CN207250297U (en) | 2018-04-17 |
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ID=61889763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721293710.3U Active CN207250297U (en) | 2017-10-09 | 2017-10-09 | A kind of transformer low voltage winding star, triangular form winding switch device |
Country Status (1)
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| CN (1) | CN207250297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112992512A (en) * | 2021-04-25 | 2021-06-18 | 广东电网有限责任公司佛山供电局 | Switching device and method for transformer connection group |
-
2017
- 2017-10-09 CN CN201721293710.3U patent/CN207250297U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112992512A (en) * | 2021-04-25 | 2021-06-18 | 广东电网有限责任公司佛山供电局 | Switching device and method for transformer connection group |
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