CN206074739U - Testing transformer - Google Patents
Testing transformer Download PDFInfo
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- CN206074739U CN206074739U CN201621065432.1U CN201621065432U CN206074739U CN 206074739 U CN206074739 U CN 206074739U CN 201621065432 U CN201621065432 U CN 201621065432U CN 206074739 U CN206074739 U CN 206074739U
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- side winding
- iron core
- winding line
- line cake
- shaped iron
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Abstract
This utility model provides a kind of testing transformer.The testing transformer includes：Three-back-shaped iron core, first side winding line cake, secondary side winding line cake, multiple external lugs, wherein, first side winding line cake is located in the side of three-back-shaped iron core, and secondary side winding line cake is located in the offside of three-back-shaped iron core；First side winding line cake adjacent in first side winding line cake is electrically connected by the first flexible cord, and secondary side winding line cake adjacent in secondary side winding line cake is electrically connected by the second flexible cord；The external lug electrical connection that the different lead of current potential is different from multiple external lugs in the lead of first side winding line cake and secondary side winding line cake.Using said structure, interturn short circuit test just can be carried out by the corresponding external lug of short circuit in the case where transformator is not dismantled, it is poor for simulating the repeatability of the testing transformer of winding deformation to solve the problems, such as, the repeatability of testing transformer is improve, deformation test of transformer winding is simplified.
Description
Technical field
This utility model is related to field transformer, in particular to a kind of test for simulating winding deformation failure
Transformator.
Background technology
It is when the country carries out deformation of transformer winding fault simulating test at present, general flat using equivalent circuit testing is built
Platform, or customized transformator, and artificial destruction, the research method of phase shifting transformer winding.Building for circuit platform is relatively easy,
But the electromagnetic environment that the circuit equivalent analog platform of lumped parameter is constituted with real transformer winding, iron core differs greatly, equivalent
Property is poor.And the power transformer for customizing involves great expense, while bulky, general transformator is integrally dipped in oil, operation inconvenience,
This cause carry out deformation of transformer winding correlational study when, there are problems that consuming time length, poor repeatability,.
Utility model content
This utility model provides a kind of testing transformer, at least to solve to be used for simulating winding deformation in correlation technique
The problem of the repeatability difference of testing transformer.
According to one side of the present utility model, there is provided a kind of testing transformer, including：Three-back-shaped iron core, primary side
Winding wire cake, secondary side winding line cake, multiple external lugs, wherein, the first side winding line cake is located in described three-back-shaped
The side of iron core, the secondary side winding line cake are located in the offside of the three-back-shaped iron core；In the first side winding line cake
Adjacent first side winding line cake is electrically connected by the first flexible cord, adjacent secondary side winding line in the secondary side winding line cake
Cake is electrically connected by the second flexible cord；The first side winding line cake is different with current potential in the lead of the secondary side winding line cake
The lead external lug electrical connection different from the plurality of external lug.
Alternatively, in the lead of the first side winding line cake and the secondary side winding line cake current potential identical lead with
Identical external lug electrical connection in the plurality of external lug.
Alternatively, the first side winding line cake can be along a Slideslip of the three-back-shaped iron core.
Alternatively, the secondary side winding line cake can be along the three-back-shaped iron core to Slideslip.
Alternatively, the testing transformer also includes：Insulation spacer, the insulation spacer are in-line or U-shaped, institute
Insulation spacer is stated for separating adjacent first side winding line cake or adjacent secondary side winding line cake, to adjust adjacent one
The turn-to-turn distance of secondary side winding wire cake or adjacent secondary side winding line cake.
Alternatively, the insulation spacer between adjacent first side winding line cake or adjacent secondary side winding line cake
Number includes：Zero, one or more.
Alternatively, the side of the three-back-shaped iron core is the left side of the three-back-shaped iron core, the three-back-shaped iron core it is right
Side is the right side of the three-back-shaped iron core；Or the right side that the side of the three-back-shaped iron core is the three-back-shaped iron core, it is described
The offside of three-back-shaped iron core is the left side of the three-back-shaped iron core.
Alternatively, the side of the three-back-shaped iron core is the upside of the three-back-shaped iron core, the three-back-shaped iron core it is right
Side is the downside of the three-back-shaped iron core；Or the downside that the side of the three-back-shaped iron core is the three-back-shaped iron core, it is described
The offside of three-back-shaped iron core is the upside of the three-back-shaped iron core.
By this utility model, the testing transformer of employing includes：Three-back-shaped iron core, first side winding line cake, secondary side
Winding wire cake, multiple external lugs, wherein, first side winding line cake is located in the side of three-back-shaped iron core, secondary side winding line
Cake is located in the offside of three-back-shaped iron core；In first side winding line cake, adjacent first side winding line cake is electrically connected by the first flexible cord
Connect, secondary side winding line cake adjacent in secondary side winding line cake is electrically connected by the second flexible cord；First side winding line cake and two
The external lug electrical connection that the different lead of current potential is different from multiple external lugs in the lead of secondary side winding wire cake.Using upper
Structure is stated, interturn short circuit test just can be carried out by the corresponding external lug of short circuit in the case where transformator is not dismantled, solved
The problem that the repeatability for simulating the testing transformer of winding deformation of having determined is differed from, improves the repeatable of testing transformer
Property, simplify deformation test of transformer winding.
Description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used to explain this utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is the structural representation of the testing transformer according to this utility model embodiment；
Fig. 2 is the alternative construction schematic diagram of the testing transformer according to this utility model embodiment；
In figure, 1. three-back-shaped iron core；2. transformer case；31. first side winding line cakes；32. secondary side winding line cakes；
41. first flexible cords；42. second flexible cords；5. line cake lead；6. external lug；7. insulation spacer.
Specific embodiment
Below with reference to accompanying drawing and in conjunction with the embodiments describing this utility model in detail.It should be noted that not rushing
In the case of prominent, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that specification and claims of the present utility model and the term " first " in above-mentioned accompanying drawing,
" second " etc. is for distinguishing similar object, without being used to describe specific order or precedence.
In order to realize the purpose of this utility model, a kind of testing transformer in the present embodiment, is provided.Fig. 1 is according to this reality
With the structural representation of the testing transformer of new embodiment, as shown in figure 1, the testing transformer includes：Three-back-shaped iron core 1,
First side winding line cake 31, secondary side winding line cake 32, multiple external lugs 6, wherein, first side winding line cake 31 is located in back
The side of font iron core 1, secondary side winding line cake 32 are located in the offside of three-back-shaped iron core 1；Phase in first side winding line cake 31
Adjacent first side winding line cake 31 is electrically connected by the first flexible cord 41, adjacent secondary side winding line in secondary side winding line cake 32
Cake 32 is electrically connected by the second flexible cord 42；First side winding line cake 31 is different with current potential in the lead of secondary side winding line cake 32
The lead external lug 6 different from multiple external lugs 6 is electrically connected.
Wherein, the different lead of current potential is to refer to the accession to the different lead-in of current potential or lead-out wire after circuit, for example, for
For same line cake, after accessing circuit, in the case of lead-in and lead-out wire not short circuit, the electricity of its lead-in and lead-out wire
Position is different；Now, lead-in and lead-out wire are electrically connected from different external lugs 6 respectively.
Using said structure, just can be carried out in the case where transformator is not dismantled by the corresponding external lug of short circuit 6
Interturn short circuit test, it is poor for simulating the repeatability of the testing transformer of winding deformation to solve the problems, such as, improves test
The repeatability of transformator, simplifies deformation test of transformer winding.
Alternatively, in the lead of first side winding line cake 31 and secondary side winding line cake 32 current potential identical lead with it is multiple
Identical external lug 6 in external lug 6 is electrically connected.For example, in two adjacent first side winding line cakes 31, one once
The lead-out wire of side winding wire cake 31 is electrically connected by the first flexible cord 41 with the lead-in of another first side winding line cake 31, and is somebody's turn to do
The current potential of the lead-in of the lead-out wire and this of one first side winding line cake 31 another first side winding line cake 31 is identical, because
This, the lead-out wire of a first side winding line cake 31, first flexible cord 41 and this another first side winding line cake 31 draw
Enter line to electrically connect with certain same external lug 6 by same wire.
Alternatively, first side winding line cake 31 is arranged in the side of three-back-shaped iron core 1, and first side winding line cake 32 can
Along a Slideslip of three-back-shaped iron core 1.
Alternatively, secondary side winding line cake 32 is arranged in the offside of three-back-shaped iron core 1 (i.e. relative to the right of above-mentioned side
Side), and secondary side winding line cake 32 can be along three-back-shaped iron core 1 to Slideslip.
Fig. 2 is the alternative construction schematic diagram of the testing transformer according to this utility model embodiment, as shown in Fig. 2 optional
Ground, testing transformer can also include：Insulation spacer 7, insulation spacer 7 are in-line or U-shaped, and insulation spacer 7 is used to divide
Every adjacent first side winding line cake 31 or adjacent secondary side winding line cake 32, to adjust adjacent first side winding line cake
31 or the turn-to-turn distance of adjacent secondary side winding line cake 32.
Alternatively, the insulation spacer between adjacent first side winding line cake 31 or adjacent secondary side winding line cake 32
7 number includes：Zero, one or more.
Alternatively, the thickness of insulation spacer 7 can be the same or different, turn-to-turn distance as needed, can select
The insulation spacer 7 of multi-thickness is independent or multiple is applied in combination.
Alternatively, the side of three-back-shaped iron core 1 is the left side of three-back-shaped iron core 1, and the offside of three-back-shaped iron core 1 is three-back-shaped
The right side of iron core 1；Or the right side that the side of three-back-shaped iron core 1 is three-back-shaped iron core 1, the offside of three-back-shaped iron core 1 is Back Word
The left side of shape iron core 1.
For the ease of adjusting simultaneously distance between securing loop, can be by 32 water of first side winding line cake 31 and secondary side winding line cake
It is flat to be sequentially placed.Alternatively, the side of three-back-shaped iron core 1 is the upside of three-back-shaped iron core 1, and the offside of three-back-shaped iron core 1 is back
The downside of font iron core 1；Or the downside that the side of three-back-shaped iron core 1 is three-back-shaped iron core 1, the offside of three-back-shaped iron core 1 is
The upside of three-back-shaped iron core 1.
By above-described embodiment of the present utility model, in primary side and secondary side using movable winding, mould can be facilitated
Intend transformer winding wire cake and be subjected to displacement failure；Lead is respectively provided between the line cake of primary side and secondary side, and is arranged outside lead
Portion's joint, can facilitate the shorted-turn fault of analogue transformer primary side and secondary side.
Preferred embodiment of the present utility model is the foregoing is only, this utility model is not limited to, for this
For the technical staff in field, this utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. are should be included within protection domain of the present utility model.
Claims (8)
1. a kind of testing transformer, it is characterised in that include：Three-back-shaped iron core, first side winding line cake, secondary side winding line
Cake, multiple external lugs, wherein,
The first side winding line cake is located in the side of the three-back-shaped iron core, and the secondary side winding line cake is located in described
The offside of three-back-shaped iron core；
First side winding line cake adjacent in the first side winding line cake is electrically connected by the first flexible cord, the secondary side winding
Secondary side winding line cake adjacent in line cake is electrically connected by the second flexible cord；
In the lead of the first side winding line cake and the secondary side winding line cake, the different lead of current potential is outer with the plurality of
External lug electrical connections different in portion's joint.
2. testing transformer according to claim 1, it is characterised in that the first side winding line cake and the secondary side
In the lead of winding wire cake, current potential identical lead is electrically connected with identical external lug in the plurality of external lug.
3. testing transformer according to claim 1, it is characterised in that the first side winding line cake can be along the Back Word
One Slideslip of shape iron core.
4. testing transformer according to claim 1, it is characterised in that the secondary side winding line cake can be along the Back Word
Shape iron core to Slideslip.
5. the testing transformer according to claim 3 or 4, it is characterised in that the testing transformer also includes：Felt pad
Piece, the insulation spacer is in-line or U-shaped, the insulation spacer be used to separating adjacent first side winding line cake or
Adjacent secondary side winding line cake, to adjust the turn-to-turn of adjacent first side winding line cake or adjacent secondary side winding line cake
Distance.
6. testing transformer according to claim 5, it is characterised in that adjacent first side winding line cake or adjacent
The number of the insulation spacer between secondary side winding line cake includes：Zero, one or more.
7. the testing transformer according to claim 3 or 4, it is characterised in that the side of the three-back-shaped iron core is described
The left side of three-back-shaped iron core, the offside of the three-back-shaped iron core are the right side of the three-back-shaped iron core；Or the three-back-shaped ferrum
The side of core is the right side of the three-back-shaped iron core, and the offside of the three-back-shaped iron core is the left side of the three-back-shaped iron core.
8. the testing transformer according to claim 3 or 4, it is characterised in that the side of the three-back-shaped iron core is described
The upside of three-back-shaped iron core, the offside of the three-back-shaped iron core are the downside of the three-back-shaped iron core；Or the three-back-shaped ferrum
The side of core is the downside of the three-back-shaped iron core, and the offside of the three-back-shaped iron core is the upside of the three-back-shaped iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065432.1U CN206074739U (en) | 2016-09-20 | 2016-09-20 | Testing transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065432.1U CN206074739U (en) | 2016-09-20 | 2016-09-20 | Testing transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206074739U true CN206074739U (en) | 2017-04-05 |
Family
ID=58438567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621065432.1U Active CN206074739U (en) | 2016-09-20 | 2016-09-20 | Testing transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206074739U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060167A (en) * | 2018-07-25 | 2018-12-21 | 昆明理工大学 | Thermal resistance experimental provision and its application method between a kind of oil-immersed transformer winding cake based on distributed optical fiber temperature measurement |
| CN109188123A (en) * | 2018-08-16 | 2019-01-11 | 广西电网有限责任公司电力科学研究院 | A kind of transformer turn-to-turn, phase fault simulator and its application method |
| CN109613387A (en) * | 2018-11-22 | 2019-04-12 | 广西电网有限责任公司电力科学研究院 | A kind of winding stock-price forecast simulator |
-
2016
- 2016-09-20 CN CN201621065432.1U patent/CN206074739U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060167A (en) * | 2018-07-25 | 2018-12-21 | 昆明理工大学 | Thermal resistance experimental provision and its application method between a kind of oil-immersed transformer winding cake based on distributed optical fiber temperature measurement |
| CN109060167B (en) * | 2018-07-25 | 2020-08-25 | 昆明理工大学 | Oil-immersed transformer winding inter-cake thermal resistance experiment measurement device based on distributed optical fiber temperature measurement and use method thereof |
| CN109188123A (en) * | 2018-08-16 | 2019-01-11 | 广西电网有限责任公司电力科学研究院 | A kind of transformer turn-to-turn, phase fault simulator and its application method |
| CN109613387A (en) * | 2018-11-22 | 2019-04-12 | 广西电网有限责任公司电力科学研究院 | A kind of winding stock-price forecast simulator |
| CN109613387B (en) * | 2018-11-22 | 2021-05-25 | 广西电网有限责任公司电力科学研究院 | Winding intertwist short circuit simulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Song Inventor after: Wang Luliang Inventor after: Han Laijun Inventor after: Wang Sijie Inventor after: Jiang Zihao Inventor after: Quan Yesheng Inventor after: Zhao Hailong Inventor before: Huang Song Inventor before: Wang Luliang Inventor before: Zhang Guoqing Inventor before: Han Laijun Inventor before: Wang Sijie Inventor before: Jiang Zihao Inventor before: Quan Yesheng Inventor before: Zhao Hailong Inventor before: Zhao Chun |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Longhua District of Hainan city in Haikou province 570311 Hai posterior No. 23 Co-patentee after: WUHAN SUNSHINE POWER SCIENCE & TECHNOLOGY Co.,Ltd. Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF HAINAN POWER GRID Co.,Ltd. Address before: Building Letter No. 123-8 Binhai Road 570215 Hainan city in Haikou Province, 13 floor Co-patentee before: WUHAN SUNSHINE POWER SCIENCE & TECHNOLOGY Co.,Ltd. Patentee before: Hainan Power Technology Research Institute |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180211 Address after: Longhua District of Hainan city in Haikou province 570311 Hai posterior No. 23 Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF HAINAN POWER GRID Co.,Ltd. Address before: Longhua District of Hainan city in Haikou province 570311 Hai posterior No. 23 Co-patentee before: WUHAN SUNSHINE POWER SCIENCE & TECHNOLOGY Co.,Ltd. Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF HAINAN POWER GRID Co.,Ltd. |