CN206657716U - A kind of hermetically sealed prepackage type device for transformer used for wind power generation - Google Patents
A kind of hermetically sealed prepackage type device for transformer used for wind power generation Download PDFInfo
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- CN206657716U CN206657716U CN201720455745.6U CN201720455745U CN206657716U CN 206657716 U CN206657716 U CN 206657716U CN 201720455745 U CN201720455745 U CN 201720455745U CN 206657716 U CN206657716 U CN 206657716U
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Abstract
The utility model discloses a kind of hermetically sealed prepackage type device for transformer used for wind power generation, including oil tank of transformer, low-pressure chamber, hyperbaric chamber, and the dry change of auxiliary, lower manhole, low-voltage cabinet are set after oil tank of transformer, hyperbaric chamber are arranged side by side in low-pressure chamber, in low-pressure chamber；Vacuum load switch fuse combined electrical apparatus and disconnecting switch are set in hyperbaric chamber；Oil tank of transformer is provided with bushing, pointer type fuel level indicator, pressure gauge, oil filler point, gilled radiator, transformer body, pressure relief valve and low-tension bushing.The utility model eliminates oil conservater, dehydrating breather, and transformer oil no longer directly contacts with air, slow down the aging of transformer oil, improves generating efficiency；The problem of eliminating gas relay, oil conservater, conveniently installation, avoiding oil leak, permeability occurs, break the situation of oil conservater when avoiding transport and in-site installation lifting, the product has rational in infrastructure, compact, and production cost is low, the characteristics of performance safety is reliable, and installation and repairing facilitates.
Description
Technical Field
The utility model relates to a prepackage type transformer device for totally enclosed wind power generation.
Background
At present, the economy is rapidly developed, the energy supply is short, and the world energy structure is undergoing a great transformation, namely the transformation from a fossil energy system to a renewable energy-based sustainable energy system. Compared with other energy sources, wind energy has stronger advantages in technology and cost, so the wind energy can be the ideal new energy source, and the transformer substation for wind power generation is mostly a pre-installed transformer substation, which is favored by the power industry because of reliable performance and stable operation, but has higher cost than a combined transformer and more after-sale problems.
Most of the existing pre-installed transformers have the following disadvantages:
1) because the oil conservator elbow flange of prepackage type transformer is connected manyly, the difficulty is assembled: the problems of oil leakage and oil leakage are easy to occur after assembly, and because the wind power plant is mostly established in mountainous regions, hills and the like, the road conditions are quite complex and quite bumpy in the process, the hidden danger of oil leakage and oil leakage is easily increased, even the welding seam of the oil storage cabinet is torn, and the production cost is increased;
2) the moisture absorber is easy to damage because of being exposed outside the transformer chamber, and is frequently replaced: the aging speed of the transformer oil is accelerated due to the contact of the transformer oil and air, particularly the aging speed is more obvious in a humid air or sea environment, after-sales personnel are required to frequently replace the transformer oil and a moisture absorber, a lot of manpower and material resources are required, and meanwhile, the power failure is required in the replacement process, so that the normal power generation is influenced;
3) gas relay false alarm: the gas relay leaks outside the transformer, false alarms can be caused in thunderstorm weather, the transformer and the gas relay are not usually the same manufacturer, and problems can also occur in cooperation, the situation of false alarms of the gas relay often occurs on site, unnecessary troubles are brought to users, hidden dangers of oil leakage and oil leakage exist at the installation position of the gas relay, and the production cost of the users is increased;
4) the oil level gauge and the gas relay of the European transformer product are usually placed on an oil storage cabinet, so that the primary and secondary arrangement and routing of the box transformer are complicated and difficult, and the maintenance is inconvenient;
the existing of the problems increases the investment cost, increases the difficulty of production and after-sale, prolongs the shutdown time of the fan and reduces the power generation efficiency.
Disclosure of Invention
The utility model discloses to not enough among the prior art, the purpose provides a low in production cost, do benefit to the maintenance after sale's prepackage type transformer device for totally enclosed wind power generation.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a pre-installed transformer device for fully-sealed wind power generation comprises a transformer oil tank, a low-pressure chamber and a high-pressure chamber, wherein the transformer oil tank, the low-pressure chamber and the high-pressure chamber are all of box body structures, the transformer oil tank, the low-pressure chamber and the high-pressure chamber are fixedly connected with each other in a triangle shape, the transformer oil tank and the high-pressure chamber are arranged behind the low-pressure chamber in parallel, wherein,
an auxiliary dry transformer, a lower manhole and a low-voltage cabinet are arranged in the low-voltage chamber, the lower manhole is positioned between the auxiliary dry transformer and the low-voltage cabinet, and the low-voltage cabinet is arranged at one end of the low-voltage chamber close to the transformer oil tank;
the vacuum load switch-fuse combined electrical appliance and the isolating switch are arranged in the high-voltage chamber, the partition wall is arranged in the high-voltage chamber, the vacuum load switch-fuse combined electrical appliance and the isolating switch are connected and respectively arranged on two sides of the partition wall, and the vacuum load switch-fuse combined electrical appliance is arranged at one end of the high-voltage chamber close to the transformer oil tank;
the transformer oil tank is provided with a high-voltage sleeve, a pointer type oil level indicator, a pressure gauge, an oil filling hole, a finned radiator, a transformer body, a pressure release valve and a low-voltage sleeve, the transformer oil tank is used as a container of the transformer and stores transformer oil, the transformer body is positioned in the transformer oil, an air gap is reserved above the transformer oil, the high-voltage sleeve is arranged at the lower part of a panel of the transformer oil tank close to the high-voltage chamber side, two ends of the high-voltage sleeve are respectively connected with the transformer body and a vacuum load switch-fuse combined electrical apparatus, the low-voltage sleeve is arranged at the middle part of the panel of the transformer oil tank close to the low-voltage chamber side, two ends of the low-voltage sleeve are respectively connected with the transformer body and the low-voltage cabinet, the pointer type oil level indicator, the pressure gauge, the pressure relief valve is mounted on the top cover of the transformer oil tank.
The auxiliary dry-change upper interface is connected with the low-voltage sleeve.
The utility model discloses the beneficial effect who has does:
1) adopting a full-sealing structure: the transformer oil is isolated from the outside air in a fully-sealed mode through the transformer body and the transformer oil, the insulating property of the transformer oil is ensured, an oil conservator is originally utilized to provide a space for cold and hot expansion of the transformer oil, an air gap is reserved above the transformer oil, a space is provided for expansion and contraction of the transformer oil during temperature change, the transformer oil is safe and reliable, the traditional oil conservator is abandoned, the hidden danger of oil leakage and oil seepage at the oil conservator after transportation and field operation is avoided, the investment cost of users and the environmental protection pressure on a wind power plant are reduced, a pointer type oil level gauge, a pressure gauge and an oil injection hole are arranged in a low-pressure chamber, and the transformer oil is safe, easy to observe, convenient to overhaul and reduce the installation workload;
2) without installing a moisture absorber: because the moisture absorber needs to be replaced after being wetted, and the moisture absorber leaks out of the transformer room, the wind power plant has a severe environment and is large in wind sand and easy to damage, because a full-sealing structure is adopted, the moisture absorber does not need to be installed to filter moisture impurities in air, the oxidation speed of transformer oil is slowed down, the situations that the moisture absorber is frequently replaced and the transformer oil is difficult to replace on site are avoided, the subsequent after-sale maintenance cost is reduced, the power failure times are reduced, more power generation time and power sale benefits are won for users, and the workload of site constructors is reduced;
3) no gas relay is required to be installed: because the gas relay often leaks oil and seeps oil, and leaks outside the transformer chamber, misoperation can occur after raining, the original gas relay can give an alarm and trip when encountering gas generated by internal faults of the transformer, and a pressure release valve is used for replacing the gas, so that the gas generated by the internal faults of the transformer is released, the situation of gas fault false alarm can not occur any more, the primary cost is reduced, the oil leakage and oil seepage hidden dangers at the installation position of the gas relay are avoided, and the after-sale cost and the power failure times are reduced;
4) vacuum load switch-fuse combined electrical apparatus and isolator are installed respectively to partition wall both sides, and isolator can not cut off load current, can not cut off short-circuit current yet, but can form a visible isolation fracture in the circuit, conveniently overhauls the case becomes under the electrified prerequisite of high-pressure side.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein,
fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a schematic top view of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, effects and embodiments of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1-3, the transformer device includes a transformer tank 1, a low-voltage chamber 2, and a high-voltage chamber 3, where the transformer tank 1, the low-voltage chamber 2, and the high-voltage chamber 3 are all of a box structure, the transformer tank 1, the low-voltage chamber 2, and the high-voltage chamber 3 are fixedly connected to each other in a delta shape, the transformer tank 1 and the high-voltage chamber 3 are arranged side by side behind the low-voltage chamber 2, an auxiliary trunk transformer 21, a lower manhole 22, and a low-voltage cabinet 23 are arranged in the low-voltage chamber 2, the lower manhole 22 is located between the auxiliary trunk transformer 21 and the low-voltage cabinet 23, the low-voltage cabinet 23 is arranged at one end of the low-voltage chamber 2; a vacuum load switch-fuse combination 31 and a disconnecting switch 32 are arranged in the high-voltage chamber 3, a partition wall is arranged in the high-voltage chamber 3, the vacuum load switch-fuse combination 31 and the disconnecting switch 32 are connected and respectively arranged at two sides of the partition wall, and the vacuum load switch-fuse combination 31 is arranged at one end of the high-voltage chamber 3 close to the transformer oil tank 1; the transformer oil tank 1 is provided with a high-pressure sleeve 11, a pointer type oil level gauge 12, a pressure gauge 13, an oil filling hole 14, a finned radiator 15, a transformer body 16, a pressure release valve 17 and a low-pressure sleeve 18, the transformer oil tank 1 is used as a container of a transformer and stores transformer oil, the transformer body 16 is positioned in the transformer oil, an air gap is reserved above the transformer oil and provides a space for cold and hot expansion of the transformer oil, the high-pressure sleeve 11 is arranged at the lower part of a panel of the transformer oil tank 1 close to the side of a high-pressure chamber 3, two ends of the high-pressure sleeve 11 are respectively connected with the transformer body 16 and a vacuum load switch-fuse combined electrical apparatus 31, the low-pressure sleeve 18 is arranged at the middle part of the panel of the transformer oil tank 1 close to the side of the low-pressure chamber 2, two ends of the low-pressure sleeve 18 are respectively connected with the transformer body 16 and a low-pressure cabinet 23, oil filler point 14 is used for toward oiling in transformer tank 1, when not oiling, oil filler point 14 will cover the upper cover, guarantee transformer tank 1 totally enclosed, finned radiator 15 installs on the panel in the transformer tank 1 outside, finned radiator 15 is used for transformer tank 1 heat dissipation, pressure release valve 17 installs on transformer tank 1 top cover, a gas for releasing transformer internal fault produces, replace original gas relay, and original gas relay meets the gas that transformer internal fault produced and can report to the police and the trip, in addition, supplementary becoming 21 upward the interface and passing through the circuit and be connected with low pressure sleeve 18, the junction connects the supplementary power consumption of 220V down, provide the power consumption for the device.
The utility model has the advantages of it is following:
1) adopting a full-sealing structure: the transformer oil is isolated from the outside air in a fully-sealed mode through the transformer body 16 and the transformer oil, the insulating property of the transformer oil is ensured, the oil conservator is originally utilized to provide a space for cold and hot expansion of the transformer oil, the air gap is reserved above the transformer oil, the space is provided for expansion and cold contraction of the transformer oil during temperature change, the oil conservator is safe and reliable, the traditional oil conservator is abandoned, the hidden danger of oil leakage and oil seepage at the oil conservator after transportation and field operation is avoided, the investment cost of users and the environmental protection pressure on a wind power plant are reduced, the pointer type oil level gauge 12, the pressure gauge 13 and the oil filling hole 14 are refitted in the low-pressure chamber 2, and the oil conservator is safe, easy to observe and convenient to overhaul, and the installation workload is reduced;
2) without installing a moisture absorber: because the moisture absorber needs to be replaced after being wetted, and the moisture absorber leaks out of the transformer room, the wind power plant has a severe environment and is large in wind sand and easy to damage, because a full-sealing structure is adopted, the moisture absorber does not need to be installed to filter moisture impurities in air, the oxidation speed of transformer oil is slowed down, the situations that the moisture absorber is frequently replaced and the transformer oil is difficult to replace on site are avoided, the subsequent after-sale maintenance cost is reduced, the power failure times are reduced, more power generation time and power sale benefits are won for users, and the workload of site constructors is reduced;
3) no gas relay is required to be installed: because the gas relay often leaks oil and seeps oil, and leaks outside the transformer chamber, misoperation can occur after raining, the original gas relay can give an alarm and trip when encountering gas generated by internal faults of the transformer, and the pressure release valve 17 is used for replacing the gas, so that the gas generated by the internal faults of the transformer is released, the situation of gas fault false alarm can not occur any more, the primary cost is reduced, the hidden danger of oil leakage and oil seepage at the installation position of the gas relay is avoided, and the after-sale cost and the power failure times are reduced;
4) vacuum load switch-fuse combined electrical apparatus 31 and isolator 32 are installed respectively to partition wall both sides, and isolator 32 can not cut off load current, more can not cut off short-circuit current, but can form a visible isolation fracture in the circuit, conveniently overhauls the case becomes under the electrified prerequisite of high-pressure side.
The fully-sealed preassembled transformer removes an oil storage cabinet, so that the cost of steel and transformer oil is saved, a moisture absorber is not required to be installed, the transformer oil is not in direct contact with air, the aging of the transformer oil is slowed down, the good insulating strength of the oil is kept, the after-sale maintenance cost is reduced, and the power generation efficiency is improved; remove gas relay, the oil conservator, easy to assemble, on the basis of reducing the first cost, avoided traditional euro change to have the oil leak always, the problem of oil seepage takes place, the pollution of oil to the nature has been avoided, green electricity generation has still been realized, on the basis of having guaranteed traditional euro change performance safe and reliable, the whole weight that has alleviateed the case and has become like this, the condition of damaging the oil conservator when having avoided transportation and field installation to lift by crane, transportation and field installation have been made things convenient for, this product has rational in infrastructure, compact, low in production cost, the performance is safe, reliable, installation, overhaul more convenient characteristics.
Claims (2)
1. The utility model provides a totally enclosed is prepackage type transformer device for wind power generation which characterized in that: comprises a transformer oil tank, a low-pressure chamber and a high-pressure chamber, wherein the transformer oil tank, the low-pressure chamber and the high-pressure chamber are all of box body structures, the transformer oil tank, the low-pressure chamber and the high-pressure chamber are mutually and fixedly connected in a triangle shape, the transformer oil tank and the high-pressure chamber are arranged behind the low-pressure chamber in parallel, wherein,
an auxiliary dry transformer, a lower manhole and a low-voltage cabinet are arranged in the low-voltage chamber, the lower manhole is positioned between the auxiliary dry transformer and the low-voltage cabinet, and the low-voltage cabinet is arranged at one end of the low-voltage chamber close to the transformer oil tank;
the vacuum load switch-fuse combined electrical appliance and the isolating switch are arranged in the high-voltage chamber, the partition wall is arranged in the high-voltage chamber, the vacuum load switch-fuse combined electrical appliance and the isolating switch are connected and respectively arranged on two sides of the partition wall, and the vacuum load switch-fuse combined electrical appliance is arranged at one end of the high-voltage chamber close to the transformer oil tank;
the transformer oil tank is provided with a high-voltage sleeve, a pointer type oil level indicator, a pressure gauge, an oil filling hole, a finned radiator, a transformer body, a pressure release valve and a low-voltage sleeve, the transformer oil tank is used as a container of the transformer and stores transformer oil, the transformer body is positioned in the transformer oil, an air gap is reserved above the transformer oil, the high-voltage sleeve is arranged at the lower part of a panel of the transformer oil tank close to the high-voltage chamber side, two ends of the high-voltage sleeve are respectively connected with the transformer body and a vacuum load switch-fuse combined electrical apparatus, the low-voltage sleeve is arranged at the middle part of the panel of the transformer oil tank close to the low-voltage chamber side, two ends of the low-voltage sleeve are respectively connected with the transformer body and the low-voltage cabinet, the pointer type oil level indicator, the pressure gauge, the pressure relief valve is mounted on the top cover of the transformer oil tank.
2. The totally enclosed, pre-assembled transformer apparatus for wind power generation as claimed in claim 1, wherein: and the auxiliary dry-change upper interface is connected with a low-voltage sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455745.6U CN206657716U (en) | 2017-04-27 | 2017-04-27 | A kind of hermetically sealed prepackage type device for transformer used for wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455745.6U CN206657716U (en) | 2017-04-27 | 2017-04-27 | A kind of hermetically sealed prepackage type device for transformer used for wind power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206657716U true CN206657716U (en) | 2017-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720455745.6U Expired - Fee Related CN206657716U (en) | 2017-04-27 | 2017-04-27 | A kind of hermetically sealed prepackage type device for transformer used for wind power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206657716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518479A (en) * | 2019-07-22 | 2019-11-29 | 辽宁中能电力实业集团有限责任公司 | The grade wind driven generators Fahrenheit primary substation such as 66kV(110kV) |
-
2017
- 2017-04-27 CN CN201720455745.6U patent/CN206657716U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518479A (en) * | 2019-07-22 | 2019-11-29 | 辽宁中能电力实业集团有限责任公司 | The grade wind driven generators Fahrenheit primary substation such as 66kV(110kV) |
| CN110518479B (en) * | 2019-07-22 | 2021-08-24 | 辽宁中能电力实业集团有限责任公司 | 66kV voltage level wind power generation Fahrenheit boost transformer substation |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171121 Termination date: 20210427 |
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| CF01 | Termination of patent right due to non-payment of annual fee |