CN202231331U - Transformer station - Google Patents
Transformer station Download PDFInfo
- Publication number
- CN202231331U CN202231331U CN 201120346255 CN201120346255U CN202231331U CN 202231331 U CN202231331 U CN 202231331U CN 201120346255 CN201120346255 CN 201120346255 CN 201120346255 U CN201120346255 U CN 201120346255U CN 202231331 U CN202231331 U CN 202231331U
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- casing
- transformer station
- tension apparatus
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- 238000009833 condensation Methods 0.000 description 4
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- 239000012212 insulator Substances 0.000 description 2
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Abstract
A transformer station comprises a box body for housing a low-voltage device and a high-voltage device respectively used to transfer and control the low, high voltage electric energy; a transformer arranged outside the box body and electrically connected with the low-voltage device and the high-voltage device respectively by a low-voltage connection terminal and a high-voltage connection terminal, wherein the transformer is used for performing the high, low voltage transformation between the low-voltage device and the high-voltage device, the low-voltage device, the high-voltage device and the transformer are arranged in 'triangle' shape. The transformer station uses the 'triangle' shaped arrangement and the transformer is arranged outside to reduce the volume of the transformer station, therefore the structure of the transformer station is more compact, the cost is reduced, the transformer station is conveniently placed and transported and the heat radiation efficiency of the transformer is increased.
Description
[technical field]
The utility model relates to electric power system, particularly relates to a kind of box-type substation that is used to go up and down voltage.
[background technology]
So-called transformer station promptly is the equipment that is used to change voltage.For the power delivery that sends the power plant arrives place far away, must raise voltage, become high-tension electricity, reduce voltage on demand again near the user, the work of this up-down voltage is accomplished by transformer station.The capital equipment of transformer station is switch and transformer.It is different to press scale, is called transformer station, electric substation, switchgear house etc.
The supporting box-type substation of present existing wind power plant has two kinds, and the one, composite type cabinet type transformer substation, promptly American case becomes, and second kind is that European case becomes.But existing European case becomes with conventional case and becomes all close at contour structures and arrangement; Comprise that transformer is also similar; Basic functions is identical; All be the 40.5kV intelligence prepackage box-type substation that utilizes wind power generation, accomplish of the conversion of the low pressure of wind-powered electricity generation, be connected to the grid at last to high pressure through booster system.Just the 0.69kV that sends of wind turbine generator does not have the three-phase alternating current of fixed frequency; Form 0.69kV through frequency converter; The three-phase alternating current of 50Hz; Through the wind-powered electricity generation generator set controller the most of low-voltage circuit breaker through the special-purpose 40.5kV intelligence of wind-powered electricity generation prepackage box-type substation of alternating current is inserted step-up transformer, step-up transformer boosts 0.69kV and is 40.5kV, inserts power transmission network through 40.5kV vacuum load switch and fuse combined electric apparatus again.Simultaneously, another fraction alternating current is reduced to 0.38kV through the control transformation in the transformer station, as the control and the required power supply of intelligent control device of switch and circuit breaker.Wherein high-pressure section has also disposed lightning arrester and charged apparent device etc.
Arrange because the low-pressure section of existing transformer station, high-pressure section and transformation partly are " order " font, or make " one " font arrange.Such structure, volume is bigger, need big accommodation space and long-distance transport cost high, and the transformer of transformer station is arranged on box house, poor radiation.
[utility model content]
Based on this, be necessary to provide a kind of structure more compactness and the better box-type substation of heat dispersion.
A kind of transformer station, it comprises casing, low-voltage equipment, high-tension apparatus, potential device, low-voltage wiring terminal and high-voltage connection terminal; Said low-voltage equipment and said high-tension apparatus are arranged at respectively in the said casing; Said potential device is arranged at outside the said casing; And be positioned at the same side of said low-voltage equipment and said high-tension apparatus; With said low-voltage equipment and said high-tension apparatus the two with adjacent, the three forms " article " font structure; Said low-voltage equipment is used for the transmission and the control of low-voltage electric energy; Said high-tension apparatus is used for the transmission and the control of high voltage electric energy; Said potential device is electrically connected through said low-voltage wiring terminal and said high-voltage connection terminal and said low-voltage equipment and said high-tension apparatus respectively, and said potential device is used for the conversion and the transmission of the high low-voltage between said low-voltage equipment and the said high-tension apparatus.
In a preferred embodiment, said casing isolates independently compartment of two in low-pressure chamber and hyperbaric chamber, and said low-voltage equipment and said high-tension apparatus are arranged at said low-pressure chamber and said hyperbaric chamber respectively.
In a preferred embodiment, said low-voltage wiring terminal and said high-voltage connection terminal are arranged in the said casing, and lay respectively at said low-voltage equipment and the said high-tension apparatus side towards said potential device.
In a preferred embodiment, said transformer station also comprises a mesh protective cover, is used for the said potential device of shade.
In a preferred embodiment, said high-voltage connection terminal is positioned at said casing, and said relatively bottom half is obliquely installed.
In a preferred embodiment, the bottom of said casing offers the manhole that is used for attendant's turnover, and said manhole comprises opening that supplies people's turnover and the cover plate that is used to hide said opening.
In a preferred embodiment, said casing relatively away from both sides offer correspondingly respectively with said low-voltage equipment and said high-tension apparatus, and chamber door that can folding is used for the maintenance of said low-voltage equipment and said high-tension apparatus.
In a preferred embodiment, " article " font structure is formed on the bottom of said low-voltage equipment, said high-tension apparatus and the said relatively casing of said potential device.
Above-mentioned transformer station through " article " font arranged of said low-voltage equipment, said high-tension apparatus and said potential device three, has reduced the required volume of said transformer station.Also, reduced the volume of said transformer station again because said potential device is arranged on outside the casing.Thereby make that the structure of said transformer station is more compact, both reduced cost, and be convenient to settle, convenient again transportation.Simultaneously, said potential device is arranged on the design outside the said casing, can improve the radiating efficiency of potential device.
[description of drawings]
Fig. 1 is transformer station's bottom perspective structural representation of an embodiment;
Fig. 2 is the low-pressure section one side perspective structure sketch map of transformer station shown in Figure 1;
Fig. 3 is the high-pressure section one side perspective structure sketch map of transformer station shown in Figure 1;
Fig. 4 is a transformer station shown in Figure 1 back side perspective structure sketch map;
Fig. 5 is transformer station's high-pressure section one side perspective structure sketch map of another embodiment.
[embodiment]
Bigger in order to solve transformer station's volume, be difficult for the not good problem of arrangement and transportation and heat dispersion, the transformer station of a kind of compact and good heat dissipation has been proposed.
As shown in Figure 1, it is the bottom perspective structural representation of the transformer station 10 of an embodiment.Transformer station 10 comprises: casing 100, low-voltage equipment 200, high-tension apparatus 300, potential device 400, protective cover 500, low-voltage wiring terminal 602 and high-voltage connection terminal 604.
Low-voltage equipment 200 is arranged in the low-pressure chamber 102, is used for the transmission and the control of low-voltage electric energy.
High-tension apparatus 300 is arranged in the hyperbaric chamber 104, is used for the transmission and the control of high voltage electric energy.So, low-voltage equipment 200 is spaced from each other with high-tension apparatus 300, is independent of each other, and damages other parts to prevent a part of fault.
Please consult Fig. 2, Fig. 3 and Fig. 4 simultaneously, protective cover 500 is netted cover body, is used for shade potential device 400.Because it is outdoor that transformer station 10 is placed in usually, even the mountain area is open-air, and protective cover 500 can protect potential device 400 not scraped by the impact of sandstone and rubbing of cattle and sheep.
Low-voltage wiring terminal 602 is separately positioned on the low- pressure chamber 102 and 104 inside, hyperbaric chamber of casing 100 with high-voltage connection terminal 604, and is placed in the side near potential device 400.In the present embodiment, low-voltage wiring terminal 602 is the L-shaped and horizontal positioned of three-phase and four-line, apart from the bottom 106 of casing 100 1500mm is arranged.High-voltage connection terminal 604 is high voltage porcelain bushing pipe end, tilts 60 ° to be placed on the bottom 106 of casing 100 with the bottom 106 of relative casing 100.
The circuit that low-voltage wiring terminal 602 is used for low-voltage equipment 200 and potential device 400 is connected, to carry out the transmission of low-voltage electric energy.
The circuit that high-voltage connection terminal 604 is used for high-tension apparatus 300 and potential device 400 is connected, to carry out the transmission of high voltage electric energy.
In addition, also offer manhole 108 on the bottom 106 of casing mesolow chambers 102 100, promptly comprise the opening and the cover plate that hides opening of maintenance personal's turnover when being used to safeguard.Low-pressure chamber 102 and hyperbaric chamber 104 relatively away from both sides be respectively equipped with can folding chamber door 110,112, for the maintenance and the maintenance of low-voltage equipments 200 in low-pressure chamber 102 and the hyperbaric chamber 104 and high-tension apparatus 300 are provided convenience.
Above-mentioned transformer station 10 is through " article " font arranged of low-voltage equipment 200, high-tension apparatus 300 potential devices 400 threes, reduced the required volume of transformer station 10.Again because low-voltage wiring terminal 602 is positioned at the same side with high-voltage connection terminal 604, and the bottom 106 of high-voltage connection terminal 604 relative casings 100 is obliquely installed, and further reduced the volume of transformer station 10.Also, reduced the volume of transformer station 10 again because potential device 400 is arranged on outside the casing 100.Thereby make that the structure of transformer station 10 is more compact, both reduced cost, and be convenient to settle, convenient again transportation.Potential device 400 is arranged on the design outside the casing 100, can also improve the radiating efficiency of fin 402 on the potential device 400.
Being used for wind power generation with above-mentioned transformer station 10 below is that example is done further to introduce.High-tension apparatus 300 comprises that a complete high-tension switch cabinet adds one group and adds the insulator of large distance and connect the busbar composition.Dress independently integrates the vacuum load switch and the fuse combined electric apparatus of isolating switch and earthed switch, the charged pneumatic operating mechanism of switch in the cabinet.One group of lightning arrester 606 and the charged display unit of two covers are housed in addition.Lightning arrester 606 is installed in the top in the casing 100, promptly away from bottom 106.Switch cubicle possesses interlock requirement.Busbar adopts copper busbar, and all expose conductor (except that the ground connection copper bar) with the sealing of isolating shrinkable cover, and blank area is also used the isolating shrinkable joint.Install electromagnetic lock additional in the hyperbaric chamber 104, chamber door 112 can not be opened when the 40.5kV side is charged.High-tension apparatus 300 has obviously visible cut-off point with wind energy turbine set current collection circuit, when potential device 400 faults, can not under the power-off condition, open high voltage load switch, break off isolating switch with maintenance potential device 400 at this current collection circuit.Do not change high-tension fuse in power-off condition safe ready ground at the current collection circuit.Adopt the high-tension fuse of special air distribution electric loading switch, trigger striker after the fuse blows, overlap directly disjunction on-load switch of linkage through one.
Low-voltage equipment 200 comprises compositions such as a fixed switch cubicle, EPS (Emergency Power Supply) uninterrupted power supply, battery and connection busbar.Main elements such as frame circuit breaker, switch with knifeshaped fuse, controller, current transformer are housed in the switch cubicle.The alternate insulating barrier that installs additional of circuit breaker, circuit breaker pinout connector place also installs insulating sleeve additional.Concentrated being contained in the little distribution box such as secondary control guard signal wiring and supervising device.
Because wind energy turbine set is in high height above sea level condition, ultraviolet ray is stronger, and all outdoor equipments must consider to prevent ultraviolet radiation, this casing 100 surfaces coated antiultraviolets lacquer.
For making full use of the natural draft heat radiation, consider that also wind energy turbine set is high moist, construction is interrupted the big characteristics of dust, is provided with the anti-condensation device of thermostat and heating and dehumidification, has also designed degree of protection and dustproof construction simultaneously.Sealing strip is all installed in all inside, and all cables are imported and exported and all taked seal approach, prevents that rain and dust etc. are from the gate and cable aperture entering casing 100 inside.
The shell of casing 100 adopts high-quality composite board material (thickness is not less than 50mm) and through preservative treatment, surface coating has firm adhesive force, and uniformity.Casing 100 has anti-condensation and mould proof function, and can satisfy high temperature and high humidity environment anticorrosion requirement.Utilize aluminium alloy edge strip, corner and the cornerite rule of different main facade colors neat.Four jiaos of casing 100 are adopted circular arc aluminium alloy cornerite.Top cover adopts double-decker, and built-in heat-barrier material is to prevent thermal radiation.The gradient of top cover is not less than 5 °, and installs rainproof eaves.The skeleton of casing 100 is welded by shaped steel, and carries out antirust processing, and all parts all have enough intensity, the caused electric power of short circuit in the time of bearing lifting, transportation, installation, earthquake and operation and unlikely damage.
The inside and outside smooth of casing 100 walls does not have shaped steel outstanding in the casing 100, the casing 100 outer situation such as riveted joint and welding that lose.
All exerteding metalworks of casing 100 all carry out antirust processing, and spray durable protective paint.The door of casing 100, window and ventilating opening set up defences the finer wire net that dirt and anti-toy get into and the sealing joint strip and the wool top of antiseepage/roof leaking water.
The inwall dividing plate of casing 100 is a metal material, and its color and inner electric equipment color coordination, hardware also carry out antirust processing and spraying overcoat.
Establish condensation control and temperature control in the casing 100, guarantee that condensation does not take place inner member.Heater power lead adopts higher temperature line to connect.
See also Fig. 5, it is the high-pressure section one side perspective structure sketch map of the transformer station 20 of another embodiment.Transformer station 20 is with respect to the difference of above-mentioned transformer station 10: the lightning arrester 704 in the transformer station 20 is installed on the bottom 702 in the casing 700, and draws outside the casing 700 through high voltage cable 706.710 of high-voltage connection terminals are raised setting, promptly are placed in the position away from the bottom 702 of casing 700.In present embodiment, cancellation large distance insulator and insulative water-proof pad.High voltage isolator, fuse, vacuum load switch and earthed switch etc. are raised or upside-down mounting gets final product.
The above embodiment has only expressed several kinds of execution modes of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection range of the utility model.Therefore, the protection range of the utility model patent should be as the criterion with accompanying claims.
Claims (10)
1. transformer station, it comprises casing, low-voltage equipment, high-tension apparatus, potential device, low-voltage wiring terminal and high-voltage connection terminal; Said low-voltage equipment and said high-tension apparatus are arranged at respectively in the said casing; Said low-voltage equipment is used for the transmission and the control of low-voltage electric energy; Said high-tension apparatus is used for the transmission and the control of high voltage electric energy; Said potential device is electrically connected through said low-voltage wiring terminal and said high-voltage connection terminal and said low-voltage equipment and said high-tension apparatus respectively, and said potential device is used for the conversion and the transmission of the high low-voltage between said low-voltage equipment and the said high-tension apparatus; It is characterized in that: said potential device is arranged at outside the said casing, and is positioned at the same side of said low-voltage equipment and said high-tension apparatus, with said low-voltage equipment and said high-tension apparatus the two with adjacent, the three forms " article " font structure.
2. transformer station according to claim 1, said casing isolates independently compartment of two in low-pressure chamber and hyperbaric chamber, and said low-voltage equipment and said high-tension apparatus are arranged at respectively in said low-pressure chamber and the said hyperbaric chamber.
3. transformer station according to claim 1, said low-voltage wiring terminal and said high-voltage connection terminal are arranged in the said casing, and lay respectively at said low-voltage equipment and the said high-tension apparatus side towards said potential device.
4. transformer station according to claim 1, it also comprises a mesh protective cover, is used for the said potential device of shade.
5. transformer station according to claim 1, said high-voltage connection terminal is positioned at said casing, and said relatively bottom half is obliquely installed.
6. transformer station according to claim 5, said high-voltage connection terminal is installed on the bottom of said casing.
7. transformer station according to claim 5,60 ° of inclinations are formed on the bottom of said high-voltage connection terminal and said casing.
8. transformer station according to claim 1, the bottom of said casing offers the manhole that is used for attendant's turnover, and said manhole comprises opening that supplies people's turnover and the cover plate that is used to hide said opening.
9. transformer station according to claim 1, said casing relatively away from both sides offer correspondingly respectively with said low-voltage equipment and said high-tension apparatus, and chamber door that can folding is used for the maintenance of said low-voltage equipment and said high-tension apparatus.
10. transformer station according to claim 1, " article " font structure is formed on the bottom of said low-voltage equipment, said high-tension apparatus and the said relatively casing of said potential device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120346255 CN202231331U (en) | 2011-09-15 | 2011-09-15 | Transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120346255 CN202231331U (en) | 2011-09-15 | 2011-09-15 | Transformer station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202231331U true CN202231331U (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120346255 Expired - Fee Related CN202231331U (en) | 2011-09-15 | 2011-09-15 | Transformer station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202231331U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001134A (en) * | 2011-09-15 | 2013-03-27 | 泰豪科技(深圳)电力技术有限公司 | Substation |
| 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 |
| CN103668422A (en) * | 2012-08-30 | 2014-03-26 | 山西太钢不锈钢股份有限公司 | Method for reducing calorification of electrolytic tank |
| CN110233442A (en) * | 2019-05-30 | 2019-09-13 | 武汉明心电力科技有限公司 | A method of based on life cycle management Substation Design |
| CN115313652A (en) * | 2022-08-25 | 2022-11-08 | 国网四川省电力公司内江供电公司 | Power supply system of four-column type low-voltage isolating switch and working method thereof |
-
2011
- 2011-09-15 CN CN 201120346255 patent/CN202231331U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001134A (en) * | 2011-09-15 | 2013-03-27 | 泰豪科技(深圳)电力技术有限公司 | Substation |
| CN103001134B (en) * | 2011-09-15 | 2016-03-09 | 泰豪科技(深圳)电力技术有限公司 | Transformer station |
| CN103668422A (en) * | 2012-08-30 | 2014-03-26 | 山西太钢不锈钢股份有限公司 | Method for reducing calorification of electrolytic tank |
| 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 |
| CN110233442A (en) * | 2019-05-30 | 2019-09-13 | 武汉明心电力科技有限公司 | A method of based on life cycle management Substation Design |
| CN115313652A (en) * | 2022-08-25 | 2022-11-08 | 国网四川省电力公司内江供电公司 | Power supply system of four-column type low-voltage isolating switch and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20170915 |