CN112885572A - Transformer oil storage system and method capable of placing oil conservator at any height - Google Patents
Transformer oil storage system and method capable of placing oil conservator at any height Download PDFInfo
- Publication number
- CN112885572A CN112885572A CN202110300308.8A CN202110300308A CN112885572A CN 112885572 A CN112885572 A CN 112885572A CN 202110300308 A CN202110300308 A CN 202110300308A CN 112885572 A CN112885572 A CN 112885572A
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- Prior art keywords
- oil
- transformer
- inert gas
- conservator
- connecting pipe
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Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 239000011261 inert gas Substances 0.000 claims description 57
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 239000002775 capsule Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
The invention relates to a transformer oil storage system and a transformer oil storage method capable of placing an oil conservator at any height, and belongs to the technical field of transformer manufacturing. The technical scheme is as follows: the transformer body (1) and the oil conservator (2) are arranged in a split mode, and the upper portion of the oil conservator is connected with the pressure device (4) through a first connecting pipe (3); an oil outlet at the lower part of the oil conservator is connected with the transformer body through a second connecting pipe (6), a corrugated pipe (7), a protective relay (8), a third connecting pipe (9) and a butterfly valve (10) in sequence; the pressure of the oil surface of the oil conservator is adjusted, so that the placement position of the oil conservator can be changed, and the oil conservator can be placed at a position lower than the highest oil surface of the transformer. The transformer oil storage system of the oil conservator can be placed at any height, and the transformer oil conservator can be placed at any height through the adjustment of the pressure device; the transformer oil tank top insulating structure is reasonable and simple in structure and convenient to install and overhaul, the insulating problem of the transformer upper outgoing line terminal to the oil storage cabinet is solved, and the structure of the top of the transformer oil tank is simplified.
Description
Technical Field
The invention relates to a transformer oil storage system and a transformer oil storage method capable of placing an oil conservator at any height, and belongs to the technical field of transformer manufacturing.
Background
Currently, oil storage systems for large power transformers typically employ conservator systems or inert gas pressure systems. In power transformers using a conservator system, the conservator is typically mounted on top of and connected to the transformer tank, and the conservator must be mounted above the maximum oil level of the transformer. However, for a high-voltage power transformer adopting an oil-air bushing outgoing line, the position arrangement of an oil conservator is difficult due to the limitation of air insulation distance, and the installation and maintenance operations of the transformer are also complicated. Therefore, the technical problems to be solved in the field are to reduce the installation height of the oil conservator and simplify the arrangement of the transformer.
Disclosure of Invention
The invention aims to provide a transformer oil storage system and a method capable of placing an oil conservator at any height, wherein the placing position of the oil conservator can be changed by adjusting the pressure of the oil level of the oil conservator, and the oil conservator can also be placed at a position lower than the highest oil level of a transformer, so that the problems in the background art are solved.
The technical scheme of the invention is as follows:
a transformer oil storage system capable of placing an oil conservator at any height comprises a transformer body, the oil conservator, a first connecting pipe, a pressure device, a second connecting pipe, a corrugated pipe, a protective relay, a third connecting pipe and a butterfly valve, wherein the transformer body and the oil conservator are arranged in a split mode, and the upper portion of the oil conservator is connected with the pressure device through the first connecting pipe; an oil outlet at the lower part of the oil conservator is connected with the transformer body through a second connecting pipe, a corrugated pipe, a protective relay, a third connecting pipe and a butterfly valve in sequence; the pressure device comprises a first-stage inert gas bottle, a second-stage inert gas bottle, a cabinet body, a copper connecting pipe and a connecting pipe, wherein the first-stage inert gas bottle and the second-stage inert gas bottle are arranged in the cabinet body, the first-stage inert gas bottle and the second-stage inert gas bottle are connected through the copper connecting pipe, the second-stage inert gas bottle is connected with a first connecting pipe through the connecting pipe, and a release valve is arranged on the second-stage inert gas bottle; the pressure of the oil surface of the transformer body is ensured by adjusting the pressure of the pressure device.
The oil conservator is arranged on the bracket, and the bracket and the transformer body are both arranged on the ground; the support is height-adjustable support, but height-adjusting wantonly.
The oil storage cabinet is internally provided with a capsule, a diaphragm or a metal corrugated pipe to block the contact of the transformer oil and the air, so that the transformer oil is prevented from being oxidized and damped.
The bellows between oil conservator and the transformer body can avoid making installation error, and the protective relay can guarantee the safe operation of oil storage system through monitoring pipeline oil flow speed.
The use method of the transformer oil storage system capable of placing the oil conservator at any height is characterized in that by adopting the system, oil in the oil conservator reaches a transformer body through a pipeline to supplement the shortage of the transformer oil; when the volume of the oil in the transformer body expands along with the rise of the temperature, the second-stage inert gas bottle releases the inert gas through the release valve, the oil surface pressure of the oil conservator is reduced, and the redundant oil reaches the oil conservator through the pipeline, so that the oil conservator has the function of storing the transformer oil; on the contrary, when the temperature is reduced, the second-stage inert gas bottle injects inert gas into the oil storage cabinet to increase the oil surface pressure of the oil storage cabinet; the oil storage cabinet is placed at a position lower than the highest oil level of the transformer by changing the placing position of the oil storage cabinet by adjusting the pressure of the oil level of the oil storage cabinet.
The first-stage inert gas bottle is used for supplementing the inert gas in the second-stage inert gas bottle; when the inert gas in the first-stage inert gas bottle is insufficient, the first-stage inert gas bottle can be independently detached and replaced.
The invention has the beneficial effects that: the transformer oil storage system of the oil conservator can be placed at any height, and the transformer oil conservator can be placed at any height through the adjustment of the pressure device; the transformer oil tank top insulating structure is reasonable and simple in structure and convenient to install and overhaul, the insulating problem of the transformer upper outgoing line terminal to the oil storage cabinet is solved, and the structure of the top of the transformer oil tank is simplified.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a pressure device according to an embodiment of the present invention;
in the figure: the device comprises a transformer body 1, an oil storage cabinet 2, a first connecting pipe 3, a pressure device 4, a support 5, a second connecting pipe 6, a corrugated pipe 7, a protective relay 8, a third connecting pipe 9, a butterfly valve 10, a first-stage inert gas bottle 11, a second-stage inert gas bottle 12, a cabinet body 13, a copper connecting pipe 14, a connecting pipe 15, a release valve 16 and a ground 17.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings.
A transformer oil storage system capable of placing an oil conservator at any height comprises a transformer body 1, an oil conservator 2, a first connecting pipe 3, a pressure device 4, a second connecting pipe 6, a corrugated pipe 7, a protective relay 8, a third connecting pipe 9 and a butterfly valve 10, wherein the transformer body 1 and the oil conservator 2 are arranged in a split mode, and the upper portion of the oil conservator is connected with the pressure device 4 through the first connecting pipe 3; an oil outlet at the lower part of the oil conservator is connected with the transformer body 1 sequentially through a second connecting pipe 6, a corrugated pipe 7, a protective relay 8, a third connecting pipe 9 and a butterfly valve 10; the pressure device 4 comprises a first-stage inert gas bottle 11, a second-stage inert gas bottle 12, a cabinet body 13, a copper connecting pipe 14 and a connecting pipe 15, wherein the first-stage inert gas bottle 11 and the second-stage inert gas bottle 12 are arranged in the cabinet body 13, the first-stage inert gas bottle 11 and the second-stage inert gas bottle 12 are connected through the copper connecting pipe 14, the second-stage inert gas bottle 12 is connected with a first connecting pipe 3 through the connecting pipe 15, and the second-stage inert gas bottle 12 is provided with a release valve 16; the pressure of the oil surface of the transformer body 1 is ensured by adjusting the pressure of the pressure device 4.
The oil conservator 2 is arranged on the bracket 5, and the bracket 5 and the transformer body 1 are both arranged on the ground 17; the support 5 is a height-adjustable support, and the height can be adjusted at will.
The oil conservator 2 is internally provided with a capsule, a diaphragm or a metal corrugated pipe to block the contact of the transformer oil and the air, so that the transformer oil is prevented from being oxidized and damped.
Bellows 7 between oil conservator 2 and the transformer body 1 can avoid making installation error, and protective relay 8 can guarantee the oil storage system safe operation through monitoring pipeline oil flow speed.
The use method of the transformer oil storage system capable of placing the oil conservator at any height comprises the steps that by adopting the system, oil in the oil conservator 2 reaches a transformer body 1 through a pipeline to supplement the shortage of transformer oil; when the oil in the transformer body 1 expands along with the temperature rise, the second-stage inert gas bottle 12 releases the inert gas through the release valve 16, so that the oil surface pressure of the oil conservator 2 is reduced, and the redundant oil reaches the oil conservator 2 through a pipeline, so that the oil conservator 2 finishes the function of storing the transformer oil; on the contrary, when the temperature is reduced, the second-stage inert gas bottle 12 injects inert gas into the oil conservator 2 to increase the oil surface pressure of the oil conservator 2; the oil storage cabinet is placed at a position lower than the highest oil level of the transformer by changing the placing position of the oil storage cabinet by adjusting the pressure of the oil level of the oil storage cabinet.
The first stage inert gas bottle 11 is used for supplementing the inert gas in the second stage inert gas bottle 12; when the inert gas in the first-stage inert gas bottle 11 is insufficient, the first-stage inert gas bottle can be independently detached and replaced.
Claims (6)
1. The utility model provides a can place transformer oil storage system of oil conservator at arbitrary height which characterized in that: the transformer comprises a transformer body (1), an oil conservator (2), a first connecting pipe (3), a pressure device (4), a second connecting pipe (6), a corrugated pipe (7), a protective relay (8), a third connecting pipe (9) and a butterfly valve (10), wherein the transformer body (1) and the oil conservator (2) are arranged in a split mode, and the upper portion of the oil conservator is connected with the pressure device (4) through the first connecting pipe (3); an oil outlet at the lower part of the oil conservator is connected with the transformer body (1) through a second connecting pipe (6), a corrugated pipe (7), a protective relay (8), a third connecting pipe (9) and a butterfly valve (10) in sequence; the pressure device (4) comprises a first-stage inert gas bottle (11), a second-stage inert gas bottle (12), a cabinet body (13), a copper connecting pipe (14) and a connecting pipe (15), wherein the first-stage inert gas bottle (11) and the second-stage inert gas bottle (12) are arranged in the cabinet body (13), the first-stage inert gas bottle (11) and the second-stage inert gas bottle (12) are connected through the copper connecting pipe (14), the second-stage inert gas bottle (12) is connected with the first connecting pipe (3) through the connecting pipe (15), and a release valve (16) is arranged on the second-stage inert gas bottle (12); the pressure of the oil surface of the transformer body (1) is ensured by adjusting the pressure of the pressure device (4).
2. The transformer oil storage system of claim 1, wherein the transformer oil storage system comprises: the oil conservator (2) is arranged on the bracket (5), and the bracket (5) and the transformer body (1) are both arranged on the ground (17); the support (5) is a height-adjustable support, and the height can be adjusted at will.
3. A transformer oil storage system capable of placing conservators at any height according to claim 1 or 2, wherein: the oil conservator (2) is provided with a capsule, a diaphragm or a metal corrugated pipe to block the contact between the transformer oil and the air.
4. A transformer oil storage system capable of placing conservators at any height according to claim 1 or 2, wherein: bellows (7) between oil conservator (2) and transformer body (1) avoid making installation error, and protective relay (8) guarantee oil storage system safety operation through monitoring pipeline oil flow speed.
5. A method for using a transformer oil storage system capable of placing a conservator at any height, which comprises the steps of: the oil in the oil conservator (2) reaches the transformer body (1) through a pipeline to supplement the shortage of the transformer oil; when the volume of the oil in the transformer body (1) expands along with the temperature rise, the second-stage inert gas bottle (12) releases inert gas through the release valve (16), so that the oil surface pressure of the oil conservator (2) is reduced, and the redundant oil reaches the oil conservator (2) through a pipeline, so that the oil conservator (2) can store the transformer oil; on the contrary, when the temperature is reduced, the second-stage inert gas bottle (12) injects inert gas into the oil storage cabinet (2) to increase the oil surface pressure of the oil storage cabinet (2); the oil storage cabinet is placed at a position lower than the highest oil level of the transformer by changing the placing position of the oil storage cabinet by adjusting the pressure of the oil level of the oil storage cabinet.
6. The use method of the transformer oil storage system capable of placing the conservator at any height according to claim 5, wherein: the first-stage inert gas bottle (11) is used for supplementing the inert gas in the second-stage inert gas bottle (12); when the inert gas in the first-stage inert gas bottle (11) is insufficient, the first-stage inert gas bottle can be independently detached and replaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110300308.8A CN112885572A (en) | 2021-03-22 | 2021-03-22 | Transformer oil storage system and method capable of placing oil conservator at any height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110300308.8A CN112885572A (en) | 2021-03-22 | 2021-03-22 | Transformer oil storage system and method capable of placing oil conservator at any height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112885572A true CN112885572A (en) | 2021-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110300308.8A Pending CN112885572A (en) | 2021-03-22 | 2021-03-22 | Transformer oil storage system and method capable of placing oil conservator at any height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112885572A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201773670U (en) * | 2010-08-28 | 2011-03-23 | 中国北车集团大连机车车辆有限公司 | Full-sealed oil immersion traction transformer |
| CN102024549A (en) * | 2009-09-18 | 2011-04-20 | 特变电工沈阳变压器集团有限公司 | Ground-mounted oil storage cabinet |
| CN207602345U (en) * | 2017-12-28 | 2018-07-10 | 宿迁市通用机械有限公司 | A kind of novel capsule type oil conservater |
| CN109559872A (en) * | 2018-12-21 | 2019-04-02 | 云南电网有限责任公司电力科学研究院 | Transformer capsule-type conservator with pressure compensation and its control monitoring method |
| CN109741910A (en) * | 2018-11-30 | 2019-05-10 | 西门子变压器（武汉）有限公司 | Power transformer, mobile substation and repair method |
| CN211828412U (en) * | 2020-09-24 | 2020-10-30 | 南京大全变压器有限公司 | Oil conservator for transformer |
-
2021
- 2021-03-22 CN CN202110300308.8A patent/CN112885572A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024549A (en) * | 2009-09-18 | 2011-04-20 | 特变电工沈阳变压器集团有限公司 | Ground-mounted oil storage cabinet |
| CN201773670U (en) * | 2010-08-28 | 2011-03-23 | 中国北车集团大连机车车辆有限公司 | Full-sealed oil immersion traction transformer |
| CN207602345U (en) * | 2017-12-28 | 2018-07-10 | 宿迁市通用机械有限公司 | A kind of novel capsule type oil conservater |
| CN109741910A (en) * | 2018-11-30 | 2019-05-10 | 西门子变压器（武汉）有限公司 | Power transformer, mobile substation and repair method |
| CN109559872A (en) * | 2018-12-21 | 2019-04-02 | 云南电网有限责任公司电力科学研究院 | Transformer capsule-type conservator with pressure compensation and its control monitoring method |
| CN211828412U (en) * | 2020-09-24 | 2020-10-30 | 南京大全变压器有限公司 | Oil conservator for transformer |
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Application publication date: 20210601 |
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| RJ01 | Rejection of invention patent application after publication |