CN211788536U - Oil conservator for on-load tap-changer of transformer - Google Patents
Oil conservator for on-load tap-changer of transformer Download PDFInfo
- Publication number
- CN211788536U CN211788536U CN202020980235.2U CN202020980235U CN211788536U CN 211788536 U CN211788536 U CN 211788536U CN 202020980235 U CN202020980235 U CN 202020980235U CN 211788536 U CN211788536 U CN 211788536U
- Authority
- CN
- China
- Prior art keywords
- oil
- changer
- transformer
- load tap
- conservator
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
An oil storage cabinet of an on-load tap-changer of a transformer comprises an oil storage cabinet, a gas relay, an oil injection pipe, an oil discharge pipe and a valve; the on-load tap-changer oil conservator is arranged at the left end of the tank cover of the transformer tank body through a first bracket, is positioned above the on-load tap-changer and is used for supplementing oil to the on-load tap-changer; a change-over switch of the on-load tap-changer is arranged in a switch oil chamber, the bottom of the switch oil chamber is provided with a tap-changer, and a gear shifting operating mechanism is connected with the change-over switch through a transmission shaft; and a gas relay is arranged on a connecting pipe between the on-load tap-changer oil conservator and the switch oil chamber. In the design, the oil conservator is arranged at the upper part of the on-load tap-changer, and replaces the design mode of integrating the traditional on-load tap-changer oil conservator and the transformer body oil conservator, so that the material consumption and the processing time are reduced; the standardization degree is high, and the working efficiency is improved; the pressure of oil in the on-load tap-changer body is reduced, and the safe operation of the product is improved.
Description
Technical Field
The utility model relates to a transformer on-load tap-changer oil conservator belongs to the transformer and stores up the arrangement mounting means of oil tank.
Background
At the present stage, an oil storage cabinet of a 10-330 kV on-load voltage-regulating switch and an oil storage cabinet of a transformer body are integrated, the use of an oil guide pipe and a valve is increased, products with the same capacity and the same voltage level cannot be used universally at times, and great inconvenience is brought to processing and installation.
In addition, because the height of the oil storage tank is consistent with that of the transformer body, the pressure of oil in the on-load tap-changer insulating cylinder is equivalent to that of the transformer body, if the on-load tap-changer insulating cylinder is not well sealed, the phenomenon of mutual permeation with the transformer oil of the body can occur, the oil of the body also has characteristic gas, misjudgment accidents are caused to the operation of the transformer, and the safe operation of the transformer is seriously influenced.
Disclosure of Invention
The utility model discloses a remedy prior art not enough, provide a processing, simple to operate, simple structure, safe and reliable practices thrift the transformer of cost and has the on-load tap-changer oil conservator.
The utility model discloses a realize through following technical scheme:
the utility model provides a transformer on-load tap-changer stores up oil tank which characterized in that: the on-load tap-changer oil conservator is arranged at the left end of the tank cover of the transformer tank body through a first bracket, is positioned above the on-load tap-changer and is used for supplementing oil to the on-load tap-changer; the on-load tap-changer comprises a selector switch, a tap selector and a gear shifting operating mechanism which are connected with each other, the selector switch is arranged in a switch oil chamber, the tap selector is arranged at the bottom of the switch oil chamber, and the switch oil chamber and the tap selector are arranged in a transformer box body; a gear shifting operating mechanism box is arranged on the outer side of the left end of the transformer box body, and the gear shifting operating mechanism is connected with a change-over switch through a transmission shaft; and a gas relay is arranged on a connecting pipe between the on-load tap-changer oil conservator and the switch oil chamber.
The switch oil chamber is connected with an oil injection pipe and an oil discharge pipe, valves are arranged on the oil injection pipe and the oil discharge pipe and are used for connecting an oil filter, and the oil injection pipe and the oil discharge pipe are fixed on the transformer box body through a fixing frame; the on-load tap-changer is electrically connected with the high-voltage coil of the transformer.
The right end of the box cover of the transformer box body is fixedly provided with a transformer oil conservator through a second bracket, and the transformer oil conservator is connected with the transformer box body through a pipeline and a butterfly valve; the oil conservator and the transformer conservator are both cylindrical, the center line of the transformer conservator is parallel to the center line of the on-load tap-changer oil conservator, the volume and the cross sectional area of the oil conservator are both smaller than those of the conservator, and the center line of the oil conservator is lower than that of the conservator.
A three-phase high-voltage bushing and a three-phase low-voltage bushing are arranged on the box cover; the transformer box body is provided with a plurality of radiators, and the box body is connected with the radiators through circulating oil pipes.
A box cover of the transformer box body is provided with a load tap changer flange, a pressure release valve and a grounding sleeve.
And a transformer body secondary terminal box is arranged on the transformer box body.
The utility model has the advantages that: the oil conservator is not influenced by the size of the long shaft of the transformer and the size and the structure of the oil conservator body, can be completely universal in different voltage grades and different capacities, and achieves the degree of complete standardization. Meanwhile, the height of the oil storage cabinet is far lower than that of an oil conservator of the transformer body, so that the pressure of oil in an on-load tap-changer insulating cylinder (namely a switch oil chamber) is lower than that in the transformer body, the problem that the insulating cylinder is not tightly sealed (if the oil level of the on-load tap-changer oil storage cabinet rises all the time, oil leakage is judged), the problem that the on-load tap-changer leaks oil to the transformer body is solved, and the safe operation of the transformer is improved to a great extent. The method is applied to the 10-330 kV on-load voltage regulation power transformer.
The oil conservator is arranged on the upper part of the on-load tap-changer, replaces the design mode of integrating the traditional on-load tap-changer oil conservator with a transformer body oil conservator, and reduces the usage amount of materials and the processing time; the standardization degree is high, and the working efficiency is improved; the pressure of oil in the on-load tap-changer body is reduced, and the safe operation of the product is improved.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic left side view of the present invention.
In the figure: 1. the oil storage cabinet, 2, the gas relay, 3, the oiling pipe, 4, the oil drain pipe, 5, valve. 6. An oil switch chamber; 7. the gear shifting operating mechanism box.
18 bracket I, 19 box cover, 20 box body, 21 fixing frame, 22 bracket II, 23 transformer conservator, 24 high-voltage bushing and 25 low-voltage bushing. 26 radiator, 28 circulating oil pipe, 29 on-load tap changer flange, 30 transformer body secondary terminal box, 31 pressure relief valve and 32 grounding sleeve.
Detailed Description
The attached drawing is an embodiment of the invention.
The oil conservator of the on-load tap-changer of the transformer is arranged at the left end of a tank cover 19 of a transformer tank body 20 through a first bracket 18 and is positioned above the on-load tap-changer and used for supplementing oil to the on-load tap-changer; the on-load tap-changer comprises a selector switch, a tap selector and a gear shifting operating mechanism which are connected with each other, the selector switch is arranged in a switch oil chamber 6, the tap selector is arranged at the bottom of the switch oil chamber, and the switch oil chamber and the tap selector are arranged in a transformer box body 20; a gear shifting operating mechanism box 7 is arranged on the outer side of the left end of the transformer box body, and the gear shifting operating mechanism is connected with a change-over switch through a transmission shaft; and a gas relay 2 is arranged on a connecting pipe between the on-load tap-changer oil conservator 1 and the switch oil chamber 6.
The switch oil chamber is connected with an oil injection pipe 3 and an oil discharge pipe 4, valves 5 are arranged on the oil injection pipe and the oil discharge pipe and are used for connecting an oil filter, and the oil injection pipe and the oil discharge pipe are fixed on a transformer box body through a fixing frame 21; the on-load tap-changer is electrically connected with the high-voltage coil of the transformer.
A transformer oil conservator 23 is fixedly installed at the right end of the box cover of the transformer box body through a second support 22, and the transformer oil conservator is connected with the transformer box body through a pipeline and a butterfly valve; the oil conservator and the transformer conservator are both cylindrical, the center line of the transformer conservator is parallel to the center line of the on-load tap-changer oil conservator, the volume and the cross sectional area of the oil conservator are both smaller than those of the conservator, and the center line of the oil conservator is lower than that of the conservator.
A three-phase high-voltage bushing 24 and a three-phase low-voltage bushing 25 are arranged on the box cover; the transformer tank is provided with a number of radiators 26, which are connected to the tank via a circulation conduit 28.
The transformer box body is provided with a load tap changer flange 29, a pressure relief valve 31 and a grounding sleeve 32 on the box cover.
A transformer body secondary terminal box 30 is mounted on the transformer tank for transmitting signal connections of various terminals to the control room.
The oil storage cabinet of the on-load tap-changer of the transformer mainly comprises an oil storage cabinet 1, a gas relay 2, an oil injection pipe 3, an oil discharge pipe 4 and a valve 5. The oil conservator is an independent system and is arranged on the upper part of the on-load tap-changer, and the traditional integrated installation mode of the on-load tap-changer oil conservator and the transformer body oil conservator is replaced, so that the material consumption and the processing time are reduced, and the material cost is saved; the application range is wide, the standardization degree is high, and the working efficiency is greatly improved; the pressure of oil in the on-load tap-changer body is reduced, and the safe operation of the product is improved. The installation and arrangement mode of the on-load tap-changer oil conservator of the transformer is applied to a 10-330 kV on-load voltage regulation power transformer.
The oil storage cabinet of the on-load tap-changer of the transformer is arranged on the side of the on-load tap-changer, an oil pipe is not required to penetrate through the long axis direction of the transformer to be connected to the oil storage cabinet body, the design standardization degree is high, products with different voltage grades and different capacities can be used universally, an oil guide pipe is not required to be specially prepared for each product, and the oil storage cabinet is convenient to install, simple in structure, cost-saving, safe and reliable.
Claims (5)
1. The utility model provides a transformer on-load tap-changer stores up oil tank which characterized in that: the on-load tap-changer oil conservator is arranged at the left end of the tank cover of the transformer tank body through a first bracket, is positioned above the on-load tap-changer and is used for supplementing oil to the on-load tap-changer; the on-load tap-changer comprises a selector switch, a tap selector and a gear shifting operating mechanism which are connected with each other, the selector switch is arranged in a switch oil chamber, the tap selector is arranged at the bottom of the switch oil chamber, and the switch oil chamber and the tap selector are arranged in a transformer box body; a gear shifting operating mechanism box is arranged on the outer side of the left end of the transformer box body, and the gear shifting operating mechanism is connected with a change-over switch through a transmission shaft; and a gas relay is arranged on a connecting pipe between the on-load tap-changer oil conservator and the switch oil chamber.
2. The on-load tap-changer conservator of transformer according to claim 1, wherein: in the on-load tap-changer, a switch oil chamber is connected with an oil injection pipe and an oil discharge pipe, valves are arranged on the oil injection pipe and the oil discharge pipe and are used for connecting an oil filter, and the oil injection pipe and the oil discharge pipe are fixed on a transformer box body through a fixing frame; the on-load tap-changer is electrically connected with the high-voltage coil of the transformer.
3. The on-load tap-changer conservator of transformer according to claim 1, wherein: the right end of the box cover of the transformer box body is fixedly provided with a transformer oil conservator through a second bracket, and the transformer oil conservator is connected with the transformer box body through a pipeline and a butterfly valve; the oil conservator and the transformer conservator are both cylindrical, the center line of the transformer conservator is parallel to the center line of the on-load tap-changer oil conservator, the volume and the cross sectional area of the oil conservator are both smaller than those of the conservator, and the center line of the oil conservator is lower than that of the conservator.
4. The on-load tap-changer conservator of transformer according to claim 1, wherein: a three-phase high-voltage bushing and a three-phase low-voltage bushing are arranged on the box cover; the transformer box body is provided with a plurality of radiators, and the box body is connected with the radiators through circulating oil pipes.
5. The on-load tap-changer conservator of transformer according to claim 1, wherein: a box cover of the transformer box body is provided with a load tap changer flange, a pressure release valve and a grounding sleeve; and a transformer body secondary terminal box is arranged on the transformer box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020980235.2U CN211788536U (en) | 2020-06-02 | 2020-06-02 | Oil conservator for on-load tap-changer of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020980235.2U CN211788536U (en) | 2020-06-02 | 2020-06-02 | Oil conservator for on-load tap-changer of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211788536U true CN211788536U (en) | 2020-10-27 |
Family
ID=72956289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020980235.2U Active CN211788536U (en) | 2020-06-02 | 2020-06-02 | Oil conservator for on-load tap-changer of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211788536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116386991A (en) * | 2023-05-10 | 2023-07-04 | 上海交通大学 | Quick pressure relief oil tank capable of being embedded into on-load tap-changer and oil tank design method |
-
2020
- 2020-06-02 CN CN202020980235.2U patent/CN211788536U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116386991A (en) * | 2023-05-10 | 2023-07-04 | 上海交通大学 | Quick pressure relief oil tank capable of being embedded into on-load tap-changer and oil tank design method |
| CN116386991B (en) * | 2023-05-10 | 2024-05-28 | 上海交通大学 | Quick pressure relief oil tank capable of being embedded into on-load tap-changer and oil tank design method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211788536U (en) | Oil conservator for on-load tap-changer of transformer | |
| CN104851578A (en) | On-load voltage regulating transformer device and method for performing on-load voltage regulation | |
| CN206134467U (en) | Automatic on -load voltage regulation distribution transformer structure of broad width | |
| CN216849570U (en) | Transformer oil tank | |
| CN208142007U (en) | A kind of automatic loaded capacity regulating voltage regulating vegetable insulating oil transformer of amorphous alloy | |
| CN114243525B (en) | All-in-one turns on | |
| CN214043387U (en) | Three-phase double-voltage combined type oil-immersed step-up transformer easy to migrate | |
| CN213691691U (en) | Energy-saving heat dissipation structure of oil-immersed transformer | |
| CN201041774Y (en) | Hydraulic pressure operation machine for high-power high-voltage breaker | |
| CN2260376Y (en) | Arrangement for variating voltage of transformer without interrupting the load current | |
| CN209045335U (en) | A kind of novel extra-high voltage water cooling combined transformer | |
| CN212934359U (en) | Compact transformer | |
| CN221079808U (en) | Outlet oil pipe power-off mechanism of oil immersed transformer | |
| CN214588318U (en) | Plug-in transformer device of being qualified for next round of competitions | |
| CN211828409U (en) | Transformer oil tank and oil-immersed transformer | |
| CN204680524U (en) | For the combined transformer in shield machine distribution system | |
| CN216287892U (en) | Metal corrugated oil conservator for transformer on-load tap-changer | |
| CN103077812A (en) | Novel capacity regulating transformer | |
| CN211720114U (en) | Integrated compact modular 35kV box-type substation | |
| CN215007846U (en) | External bushing type current transformer device for mobile transformer | |
| CN213459344U (en) | Transformer for adjusting oil level by utilizing air gap compensation | |
| CN217768095U (en) | Isolating tap switch type converter transformer | |
| CN211144991U (en) | Double-control hydraulic station for integrated intercepting well | |
| CN216054208U (en) | Converter transformer with +/-1100 kV on valve side | |
| CN213815995U (en) | Change-over switch assembly of miniaturized on-load voltage regulating switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |