CN111653972A - Universal wind power prefabricated substation - Google Patents
Universal wind power prefabricated substation Download PDFInfo
- Publication number
- CN111653972A CN111653972A CN202010608609.2A CN202010608609A CN111653972A CN 111653972 A CN111653972 A CN 111653972A CN 202010608609 A CN202010608609 A CN 202010608609A CN 111653972 A CN111653972 A CN 111653972A
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- transformer
- chamber
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- wind power
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- 230000005284 excitation Effects 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 abstract description 3
- 241000208199 Buxus sempervirens Species 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to a universal wind power prefabricated substation, wherein a horizontal SF6 circuit breaker is arranged at the top in a high-voltage chamber, an SF6 vacuum arc extinguishing unit is arranged in the substation, the substation can adapt to severe environmental conditions, maintenance-free and high reliability are realized, the advantages of small American transformer size and complete European transformer protection function are integrated, a busbar structure is arranged at the outlet side of the substation, the substation can be conveniently communicated with a high-voltage side cable, a 7-grade non-excitation voltage regulating transformer is adopted as the transformer, low-voltage 0.62-0.69 kV adaptation and high-voltage side 35 kV-38.5 kV adaptation are adopted, a high-voltage chamber, a transformer and a low-voltage chamber are in a split structure, delta-shaped layout, L-shaped layout or mesh-shaped layout can be realized, telescopic base pull rods are adopted at the bottoms of the high-voltage chamber and the transformer chamber, the shortest size is equivalent to American box transformer, the.
Description
Technical Field
The invention relates to a transformer substation, in particular to a universal wind power prefabricated transformer substation.
Background
At present, the preassembled transformer substation commonly used in the domestic wind power industry has the following problems:
the traditional wind power box transformer substation product structure is an American box transformer substation or an European box transformer substation structure, the American box transformer substation is small in size and incomplete in protection function, and the European box transformer substation is large in size, namely, a common product adopts the European transformer substation structure or the European transformer substation structure, the overall dimension is fixed, and when the common product is adapted to various scenes, the size is too small to be adapted, or the common product is too large to be placed;
at present, the wind power box transformer substation has different parameters and forms, the quality of the wind power box transformer substation is good and uneven, the appearance structure is complicated, and great difficulty is caused to operation and maintenance replacement.
How to construct a box transformer substation with strong universality is the main work of the invention patent of the time, and the box transformer substation can adapt to severe wind power operation sites from multiple aspects such as voltage class adaptation, operation environment, pollution class, spatial layout and the like.
Disclosure of Invention
In order to solve the technical problem, the invention provides a universal wind power prefabricated substation, which adopts the technical scheme that:
including hyperbaric chamber and transformer room, including hyperbaric chamber and transformer in the transformer room, the hyperbaric chamber sets up in transformer room one side, and the hyperbaric chamber setting is preceding at the transformer, the top transverse arrangement SF6 circuit breaker in the hyperbaric chamber is connected with outside elbow type cable head through wall bushing in SF6 circuit breaker one side, is connected to the high-pressure wall bushing on the transformer through connecting cable in, the hyperbaric chamber lifting hook is fixed at the outdoor top of hyperbaric chamber, transformer room both sides all are equipped with the transformer lifting hook.
Further, still be provided with high-voltage busbar, high-pressure sensor, high-voltage arrester and high-voltage switch in the hyperbaric chamber, high-voltage arrester is installed to high-voltage chamber one side, at high-voltage arrester homonymy installation high-pressure sensor, high-voltage sensor supports high-voltage busbar, high-voltage busbar below sets up a plurality of external cables, and external cable passes through the busbar and is connected with high-voltage switch.
Further, the high-pressure bus bar is installed at an outlet side of the high-pressure chamber.
Further, the high-voltage chamber, the transformer and the low-voltage chamber are all split structures.
Further, the SF6 circuit breaker is internally provided with an SF6 vacuum arc extinguishing unit.
Further, the transformer adopts a 7-gear non-excitation voltage regulating transformer.
Furthermore, telescopic base pull rods are arranged at the bottoms of the high-voltage chamber and the transformer chamber.
Furthermore, cooling fins are arranged on one side and the rear side of the transformer.
The invention has the beneficial effects that: the invention relates to a universal wind power prefabricated substation, which has the advantages that:
firstly, a horizontal SF6 circuit breaker is arranged at the top in a high-voltage chamber, and an SF6 vacuum arc extinguishing unit is arranged in the high-voltage chamber, so that the high-voltage switch is suitable for severe environmental conditions, maintenance-free and high-reliability are realized, and the advantages of small American transformer size and complete European transformer protection functions are integrated;
secondly, a bus structure is arranged at the outlet side of the box transformer substation, so that the bus structure can be conveniently communicated with a high-voltage side cable;
thirdly, the transformer adopts a 7-grade non-excitation voltage regulating transformer, the low voltage is adaptive to 0.62 kV-0.69 kV, and the high voltage side is adaptive to 35 kV-38.5 kV;
fourthly, a split structure of the high-voltage chamber, the transformer and the low-voltage chamber is adopted, so that the delta-shaped layout, the L-shaped layout or the mu-shaped layout can be realized, and the wind power station is suitable for all wind power stations;
the bottom of the high-voltage chamber and the bottom of the transformer chamber adopt telescopic base pull rods, the shortest size is equivalent to that of an American box transformer substation, the longest size is equivalent to that of an European box transformer substation, and the wind power station can be easily matched with all wind power stations for use;
and the high-voltage chamber and the transformer chamber are respectively provided with an independent lifting hook, and can be lifted independently and positioned independently, so that reasonable layout is realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of a structure in which a high voltage chamber, a transformer and a low voltage chamber are arranged in a shape of Chinese character 'mu';
as shown in the figure, 1 high-voltage chamber, 2 transformers, 3 low-voltage chambers, 4 telescopic base pull rods, 5-SF 6 circuit breakers, 6 wall bushing, 7 elbow type cable heads, 8 connecting cables, 9 transformer lifting hooks, 10 high-voltage chamber lifting hooks, 11 high-voltage lightning arresters, 12 high-voltage sensors, 13 busbars, 14 external cables and 15 radiating fins.
Detailed Description
As shown in the figure, the universal wind power prefabricated substation comprises a high-voltage chamber 1 and a transformer chamber, wherein the transformer chamber comprises a low-voltage chamber 3 and a transformer 2, the low-voltage chamber is arranged in front of the transformer, the high-voltage chamber is arranged on the left side of the transformer chamber, the high-voltage chamber, the transformer and the low-voltage chamber are of split structures and can be placed in a centralized mode or in a separated mode, and the high-voltage chamber, the transformer and the low-voltage chamber can be placed in a grid mode, so that a delta-shaped layout, an L-shaped layout or a mesh-shaped layout can be achieved, and the universal wind power prefabricated substation.
The top in the high-voltage chamber is horizontally and transversely provided with the SF6 circuit breaker 5, the SF6 vacuum arc extinguishing unit is arranged in the high-voltage chamber, the horizontal SF6 gas insulated circuit breaker is suitable for severe environmental conditions, maintenance-free and high reliability are realized, the horizontal SF6 gas insulated circuit breaker is suitable for the altitude and severe environment, and the horizontal SF6 gas insulated circuit breaker has the advantages of being small in size and complete in European transformer protection function. Be connected with outside elbow type cable head 7 through wall bushing 6 in SF6 circuit breaker one side, in the high-pressure wall bushing that outside elbow type cable head on being connected to the transformer through connecting cable 8 is connected to, still be provided with high-voltage bus 13, high pressure sensor 12, high-voltage arrester 11 and high-voltage switch in the hyperbaric chamber, high-voltage chamber side-mounting high-voltage arrester, at high-voltage arrester homonymy installation high pressure sensor, high pressure sensor supports high-voltage bus, and high-voltage bus installs in the hyperbaric chamber outlet side, can conveniently with the intercommunication of high-pressure side cable. A plurality of external cables 14 are arranged below the high-voltage bus bar and are arranged in parallel, the upper portion of each external cable is fixedly connected with one end of the bus bar, and the lower portion of each external cable penetrates through the bottom of the high-voltage chamber and is connected with an external main power grid. The external cable is connected with the high-voltage switch through the bus bar. The design scheme reserves the high segmentation capability of the SF6 circuit breaker, can be communicated with an external multi-path cable, and is simple and convenient. And the heat radiating fins 15 are arranged on one side and the rear side of the transformer, so that the heat radiating effect is improved.
In order to adapt to the hoisting conditions in complex areas such as mountainous regions and the like, the high-pressure chamber lifting hook 10 is fixed at the top outside the high-pressure chamber, adopts an M20 lifting ring structure, and is high in strength and convenient to detach; transformer room both sides all are equipped with transformer lifting hook 9, and this transformer lifting hook adopts 20mm thickness's shaped steel machine tooling shaping, welds to the oil tank panel, is enough to lift by crane transformer weight. The two lifting hooks are matched for use, so that independent lifting and independent positioning can be realized.
The voltage class of the existing products in the market is 35kV sequence, outgoing lines exist from 35kV to 38.5kV voltage, and low-voltage main current voltage is 0.69kV and 0.62 kV. The transformer adopts a 7-gear non-excitation voltage regulating transformer, the low voltage is 0.62kV and 0.69kV, and the high voltage side is 35 kV-38.5 kV.
Furthermore, telescopic base pull rods 4 are arranged at the bottoms of the high-voltage chamber and the transformer chamber. The telescopic base pull rod adopts stainless steel pipes with two sizes, high precision and high strength, can be conveniently nested for use, and cannot generate permanent deformation under the condition of accounting the load capacity. When the steel pipe inserting device is used, the nesting length can be adjusted manually, and the steel pipe damage caused by the overlarge pulling length can be prevented due to the arrangement of the positioning pin. The shortest length of the telescopic base pull rod is 1.9m, the telescopic base pull rod is equivalent to the most compact American box type transformer substation, the longest length of the telescopic base pull rod can be prolonged to 3.5m, the telescopic base pull rod is equivalent to the European box type transformer substation with the largest size, and all wind power scenes can be easily matched.
The advantages are as follows:
firstly, a horizontal SF6 circuit breaker is arranged at the top in a high-voltage chamber, and an SF6 vacuum arc extinguishing unit is arranged in the high-voltage chamber, so that the high-voltage switch is suitable for severe environmental conditions, maintenance-free and high-reliability are realized, and the advantages of small American transformer size and complete European transformer protection functions are integrated;
secondly, a bus structure is arranged at the outlet side of the box transformer substation, so that the bus structure can be conveniently communicated with a high-voltage side cable;
thirdly, the transformer adopts a 7-grade non-excitation voltage regulating transformer, the low voltage is adaptive to 0.62 kV-0.69 kV, and the high voltage side is adaptive to 35 kV-38.5 kV;
fourthly, a split structure of the high-voltage chamber, the transformer and the low-voltage chamber is adopted, so that the delta-shaped layout, the L-shaped layout or the mu-shaped layout can be realized, and the wind power station is suitable for all wind power stations;
the high-voltage chamber and the outdoor bottom of the transformer adopt telescopic base pull rods, the shortest size is equivalent to the American box transformer substation, the longest size is equivalent to the European box transformer substation, and the wind power station is easily matched for use;
and the high-voltage chamber and the transformer chamber are respectively provided with an independent lifting hook, and can be lifted independently and positioned independently, so that reasonable layout is realized.
In order to reduce the operation and maintenance cost and replace the failed fan box transformer substation in time, the invention provides a universal wind power prefabricated substation, which is suitable for various altitudes, terrains, climates, environments, voltage grades and the like. The insulating material has excellent insulating capability, is suitable for any altitude, and has excellent breaking fault capability, insulating technology and the like.
The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions and substitutions which may be made by those skilled in the art within the spirit of the present invention are within the scope of the present invention.
Claims (8)
1. Omnipotent wind-powered electricity generation prepackage type transformer substation, including hyperbaric chamber and transformer room, including hyperbaric chamber and transformer in the transformer room, the hyperbaric chamber sets up in transformer room one side, and the low-pressure chamber setting is preceding at the transformer, its characterized in that, the top transverse arrangement SF6 circuit breaker in the hyperbaric chamber is connected with outside elbow type cable head through wall bushing in SF6 circuit breaker one side, is connected to the high pressure on the transformer through connecting cable and wears the wall bushing, the fixed hyperbaric chamber lifting hook in hyperbaric chamber top outside the hyperbaric chamber, transformer room both sides all are equipped with the transformer lifting hook.
2. The universal wind power prefabricated substation according to claim 1, wherein a high voltage busbar, a high voltage sensor, a high voltage arrester and a high voltage switch are further arranged in the high voltage chamber, the high voltage arrester is mounted on one side of the high voltage chamber, the high voltage sensor is mounted on the same side of the high voltage arrester, the high voltage sensor supports the high voltage busbar, a plurality of external cables are arranged below the high voltage busbar, and the external cables are connected with the high voltage switch through the busbar.
3. The universal wind power prefabricated substation according to claim 2, wherein the high voltage busbar is installed at an outlet side of the high voltage chamber.
4. The universal wind power prefabricated substation of claim 1, wherein the high-voltage chamber, the transformer and the low-voltage chamber are all split structures.
5. The universal wind power prepackaged substation of claim 1, wherein the SF6 circuit breaker is internally provided with an SF6 vacuum arc extinguishing unit.
6. The universal wind power prefabricated substation according to claim 1, wherein a 7-step non-excitation voltage regulating transformer is adopted as the transformer.
7. The universal wind power prefabricated substation according to claim 1, wherein telescopic base pull rods are arranged at the bottom of the high-pressure chamber and the bottom of the transformer chamber.
8. The universal wind power prefabricated substation according to any one of claims 1 to 7, wherein heat radiating fins are arranged on one side and the rear side of the transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010608609.2A CN111653972A (en) | 2020-06-30 | 2020-06-30 | Universal wind power prefabricated substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010608609.2A CN111653972A (en) | 2020-06-30 | 2020-06-30 | Universal wind power prefabricated substation |
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| Publication Number | Publication Date |
|---|---|
| CN111653972A true CN111653972A (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010608609.2A Pending CN111653972A (en) | 2020-06-30 | 2020-06-30 | Universal wind power prefabricated substation |
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| CN (1) | CN111653972A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517646A (en) * | 2021-03-19 | 2021-10-19 | 江门明浩电力工程监理有限公司 | 10kv oil-immersed transformer grounding dismounting fence and floor type transformation distribution equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2697918Y (en) * | 2004-02-20 | 2005-05-04 | 陆建军 | Compact pre-installing type converting station |
| CN103683068A (en) * | 2013-12-11 | 2014-03-26 | 上海置信电气非晶有限公司 | Box-type transformer substation special for wind power plant |
| CN205212231U (en) * | 2015-12-07 | 2016-05-04 | 温州冲亚电子科技有限公司 | Integral type cubical switchboard |
| CN106803650A (en) * | 2015-11-26 | 2017-06-06 | 金杰实业集团有限公司 | 35kV wind-powered electricity generations are with compact molding box structure changes |
| CN207183899U (en) * | 2017-08-18 | 2018-04-03 | 山东泰开箱变有限公司 | Integral circuit breaker case becomes |
| CN108879446A (en) * | 2018-06-20 | 2018-11-23 | 重庆沈通变压器有限公司 | Intelligent box substation |
| CN110336194A (en) * | 2019-07-05 | 2019-10-15 | 海鸿电气有限公司 | Low-voltage cabinet and miniaturization preassembled transformer station |
| CN210007229U (en) * | 2019-06-03 | 2020-01-31 | 乐山一拉得电网自动化有限公司 | high-altitude high-capacity wind power generation box transformer substation |
-
2020
- 2020-06-30 CN CN202010608609.2A patent/CN111653972A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2697918Y (en) * | 2004-02-20 | 2005-05-04 | 陆建军 | Compact pre-installing type converting station |
| CN103683068A (en) * | 2013-12-11 | 2014-03-26 | 上海置信电气非晶有限公司 | Box-type transformer substation special for wind power plant |
| CN106803650A (en) * | 2015-11-26 | 2017-06-06 | 金杰实业集团有限公司 | 35kV wind-powered electricity generations are with compact molding box structure changes |
| CN205212231U (en) * | 2015-12-07 | 2016-05-04 | 温州冲亚电子科技有限公司 | Integral type cubical switchboard |
| CN207183899U (en) * | 2017-08-18 | 2018-04-03 | 山东泰开箱变有限公司 | Integral circuit breaker case becomes |
| CN108879446A (en) * | 2018-06-20 | 2018-11-23 | 重庆沈通变压器有限公司 | Intelligent box substation |
| CN210007229U (en) * | 2019-06-03 | 2020-01-31 | 乐山一拉得电网自动化有限公司 | high-altitude high-capacity wind power generation box transformer substation |
| CN110336194A (en) * | 2019-07-05 | 2019-10-15 | 海鸿电气有限公司 | Low-voltage cabinet and miniaturization preassembled transformer station |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517646A (en) * | 2021-03-19 | 2021-10-19 | 江门明浩电力工程监理有限公司 | 10kv oil-immersed transformer grounding dismounting fence and floor type transformation distribution equipment |
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Application publication date: 20200911 |