CN216487656U - Natural ester insulating oil transformer - Google Patents
Natural ester insulating oil transformer Download PDFInfo
- Publication number
- CN216487656U CN216487656U CN202122781579.8U CN202122781579U CN216487656U CN 216487656 U CN216487656 U CN 216487656U CN 202122781579 U CN202122781579 U CN 202122781579U CN 216487656 U CN216487656 U CN 216487656U
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- Prior art keywords
- winding
- transformer
- natural ester
- insulating oil
- ester insulating
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- 150000002148 esters Chemical class 0.000 title claims abstract description 35
- 238000004804 winding Methods 0.000 claims abstract description 111
- 230000001105 regulatory effect Effects 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 230000015556 catabolic process Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 42
- 238000000034 method Methods 0.000 description 4
- 239000002480 mineral oil Substances 0.000 description 3
- 235000010446 mineral oil Nutrition 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010696 ester oil Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model discloses a natural ester insulating oil transformer which comprises a winding assembly, wherein an oil tank is arranged on one side of the winding assembly, a plurality of pipelines are arranged between the oil tank and the winding assembly, and natural ester insulating oil is filled in the oil tank. The natural ester insulating oil has good dielectric property and can well protect the insulation from gas. Meanwhile, the natural ester insulating oil has good water saturation, can effectively absorb moisture in the insulating part, can effectively reduce partial discharge of the transformer, and reduces the breakdown risk. The natural ester insulating oil enters the winding assembly through the pipeline, so that the winding assembly is immersed in the natural ester insulating oil, and the temperature rise of a hot spot at the upper end part of the ground winding of the transformer can be effectively reduced.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to a natural ester insulating oil transformer.
Background
The traditional transformer adopts mineral oil as an insulating and cooling medium, is widely applied to various substations and power plants, but has low ignition point of the mineral oil, is easy to cause fire accidents of the transformer, and brings uncertain factors to the operation of a power grid. Meanwhile, the natural degradation rate of the mineral oil is low, and once leakage occurs, the surrounding environment is polluted.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a natural ester insulating oil transformer, which solves the above problems of the related art.
In order to solve the technical problems, the utility model provides the following technical scheme: the transformer comprises a winding assembly, wherein an oil tank is arranged on one side of the winding assembly, a plurality of pipelines are arranged between the oil tank and the winding assembly, and natural ester insulating oil is filled in the oil tank. The natural ester insulating oil has good dielectric property and can well protect insulation from gas. Meanwhile, the natural ester insulating oil has good water saturation, can effectively absorb moisture in the insulating part, can effectively reduce partial discharge of the transformer, and reduces the breakdown risk. The natural ester insulating oil enters the winding assembly through the pipeline, so that the winding assembly is immersed in the natural ester insulating oil, and the temperature rise of a hot spot at the upper end part of the ground winding of the transformer can be effectively reduced.
According to the technical scheme, the winding assembly comprises an iron core, a tertiary winding, a voltage regulating winding, a public winding and a series winding are sequentially wound on the surface of the iron core, a pressure ring is sleeved on the surface of the tertiary winding, the voltage regulating winding, the public winding and the series winding, and the pipeline is communicated with the inside of the pressure ring.
According to the technical scheme, main air channels are arranged between the tertiary winding and the voltage regulating winding, between the voltage regulating winding and the common winding and between the common winding and the series winding.
According to the technical scheme, oil passages are axially formed in the surfaces of the tertiary winding, the voltage regulating winding, the common winding and the series winding.
According to the technical scheme, the side face of the oil tank is provided with a plurality of groups of transformer sleeves, and the transformer sleeves are respectively connected with outgoing lines of the tertiary winding, the voltage regulating winding, the common winding and the series winding through pipelines.
According to the technical scheme, the surface of the winding assembly is provided with the fan, and the fan is electrically connected with the air cooling control cabinet.
Compared with the prior art, the utility model has the following beneficial effects: through being provided with the oil tank, natural ester insulating oil has good dielectric properties, can be well angry to the effect of insulating protection. Meanwhile, the natural ester insulating oil has good water saturation, can effectively absorb moisture in the insulating part, can effectively reduce partial discharge of the transformer, and reduces the breakdown risk. The natural ester insulating oil enters the winding assembly through the pipeline, so that the winding assembly is immersed in the natural ester insulating oil, and the temperature rise of a hot spot at the upper end part of the ground winding of the transformer can be effectively reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the series winding configuration of the present invention;
in the figure: 1. an iron core; 2. tertiary winding; 3. a voltage regulating winding; 4. a common winding; 5. a series winding; 6. a main empty way; 7. pressing a ring; 8. an oil tank; 10. a transformer bushing; 13. a pipeline; 14. a fan; 15. air cooling a control cabinet; 20. and a winding assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides the following technical solutions: a natural ester insulating oil transformer comprises a winding assembly 20, an oil tank 8 is arranged on one side of the winding assembly 20, a plurality of pipelines 13 are arranged between the oil tank 8 and the winding assembly 20, and natural ester insulating oil is filled in the oil tank 8. The surface of the winding assembly 20 is provided with a fan 14, and the fan 14 is electrically connected with an air cooling control cabinet 15.
The winding assembly 20 comprises an iron core 1, a tertiary winding 2, a voltage regulating winding 3, a common winding 4 and a series winding 5 are sequentially wound on the surface of the iron core 1, a pressure ring 7 is sleeved on the surfaces of the tertiary winding 2, the voltage regulating winding 3, the common winding 4 and the series winding 5, and a plurality of pipelines 13 are communicated with the inside of the pressure ring 7. The side of the oil tank 8 is provided with a plurality of groups of transformer sleeves 10, and the transformer sleeves 10 are respectively connected with the outgoing lines of the tertiary winding 2, the voltage regulating winding 3, the common winding 4 and the series winding 5 through pipelines 13. Main empty channels 6 are arranged between the tertiary winding 2 and the voltage regulating winding 3, between the voltage regulating winding 3 and the common winding 4 and between the common winding 4 and the series winding 5, each main empty channel 6 is composed of an insulating cylinder, an equal-distribution cushion block and a supporting strip, each main empty channel is mainly used for separating the windings, and a certain flowing space is provided for the natural grease insulating oil. Oil ducts are axially formed in the surfaces of the tertiary winding 2, the voltage regulating winding 3, the common winding 4 and the series winding 5.
The natural ester insulating oil has good dielectric property and can well protect insulation from gas. Meanwhile, the natural ester insulating oil has good water saturation, can effectively absorb moisture in the insulating part, can effectively reduce partial discharge of the transformer, and reduces the breakdown risk. The natural ester insulating oil enters the winding assembly 20 through the pipeline 13, so that the winding assembly 20 is immersed in the natural ester insulating oil, and the temperature rise of a hot spot of the upper end part of the winding of the transformer can be effectively reduced.
Gaps among the winding coils form radial oil passages, the radial oil passages are matched with the axial oil passages axially formed in the surfaces of the winding coils, the axial oil passages are not smaller than 15mm, the oil flow characteristics of the natural ester insulating oil are matched, the middle portions of the radial oil passages are 80% arranged according to 4.5mm, the end portions of the radial oil passages are arranged according to 6.0mm, the natural ester oil at the end portions can be enabled to be smoother, and the hot spot temperature rise of the winding at the upper end portion of the transformer can be effectively reduced.
The tertiary winding 2, the common winding 4, the voltage regulating winding 3 and the series winding 5 are all made of E-grade or above insulation grade materials, and are matched with the high ignition point and the high flash point of natural ester insulating oil, so that the heat resistance grade of the transformer can be effectively improved, the service life and the overload capacity of the transformer are improved, and multiple purposes are achieved at one time.
In this embodiment, the transformer adopts from cold with the air-cooled cooling mode, and the cooler is put respectively, can effectively reduce transformer body noise, and the cooler comprises the piece with fan 14, is connected with transformer oil tank 8 through pipeline 13, and 14 electrodes of fan are connected with air-cooled switch board 15, and the start-stop of accessible air-cooled switch board 15 control fan 14. Each transformer bushing 10 is connected to each winding outlet by a lead wire inserted into a pipe 13, and the lead wire is immersed in natural ester insulating oil.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A natural ester insulating oil transformer comprising a winding assembly (20), characterized in that: an oil tank (8) is arranged on one side of the winding assembly (20), a plurality of pipelines (13) are arranged between the oil tank (8) and the winding assembly (20), and natural ester insulating oil is filled in the oil tank (8).
2. The natural ester insulating oil transformer of claim 1, wherein: winding assembly (20) are including iron core (1), the surface of iron core (1) is wound in proper order has cubic winding (2), voltage regulating winding (3), common winding (4), series connection winding (5), the surface cover of cubic winding (2), voltage regulating winding (3), common winding (4), series connection winding (5) is equipped with clamping ring (7), and is a plurality of pipeline (13) communicates with the inside of clamping ring (7).
3. The natural ester insulating oil transformer of claim 2, wherein: and main air channels (6) are arranged between the tertiary winding (2) and the voltage regulating winding (3), between the voltage regulating winding (3) and the common winding (4) and between the common winding (4) and the series winding (5).
4. The natural ester insulating oil transformer of claim 2, wherein: oil ducts are axially formed in the surfaces of the tertiary winding (2), the voltage regulating winding (3), the common winding (4) and the series winding (5).
5. The natural ester insulating oil transformer of claim 2, wherein: the transformer is characterized in that a plurality of groups of transformer sleeves (10) are arranged on the side face of the oil tank (8), and the transformer sleeves (10) are respectively connected with outgoing lines of the tertiary winding (2), the voltage regulating winding (3), the common winding (4) and the series winding (5) through pipelines (13).
6. The natural ester insulating oil transformer of claim 1, wherein: the surface of the winding assembly (20) is provided with a fan (14), and the fan (14) is electrically connected with an air cooling control cabinet (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122781579.8U CN216487656U (en) | 2021-11-15 | 2021-11-15 | Natural ester insulating oil transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122781579.8U CN216487656U (en) | 2021-11-15 | 2021-11-15 | Natural ester insulating oil transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216487656U true CN216487656U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122781579.8U Active CN216487656U (en) | 2021-11-15 | 2021-11-15 | Natural ester insulating oil transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216487656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114093626A (en) * | 2021-11-22 | 2022-02-25 | 常州东芝变压器有限公司 | Transformer with high adaptability |
-
2021
- 2021-11-15 CN CN202122781579.8U patent/CN216487656U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114093626A (en) * | 2021-11-22 | 2022-02-25 | 常州东芝变压器有限公司 | Transformer with high adaptability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 213000 No. 86, Longjiang Middle Road, Changzhou City, Jiangsu Province Patentee after: Shandong Electric Group Changzhou Dongzhi Transformer Co.,Ltd. Country or region after: China Address before: 213000 No. 86, Longjiang Middle Road, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU TOSHIBA TRANSFORMER Co.,Ltd. Country or region before: China |