CN202340069U - Low-voltage power distribution cabinet for box-type transformer substation - Google Patents
Low-voltage power distribution cabinet for box-type transformer substation Download PDFInfo
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- CN202340069U CN202340069U CN2011205141811U CN201120514181U CN202340069U CN 202340069 U CN202340069 U CN 202340069U CN 2011205141811 U CN2011205141811 U CN 2011205141811U CN 201120514181 U CN201120514181 U CN 201120514181U CN 202340069 U CN202340069 U CN 202340069U
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- circuit breaker
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- 239000003990 capacitor Substances 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
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Abstract
The utility model discloses a low-voltage power distribution cabinet for a box-type transformer substation. The low-voltage power distribution cabinet comprises an ingoing reactive compensation unit combination cabinet body and an outgoing unit combination cabinet body, wherein one end face of the outgoing unit combination cabinet body is connected with the side face at one end of the ingoing reactive compensation unit combination cabinet body; the whole cabinet body is of an L shape; the ingoing reactive compensation unit combination cabinet body is sequentially provided with a compensating capacitor, a contactor, a micro circuit breaker, a main circuit breaker and an ingoing circuit breaker from bottom to top; and the outgoing unit combination cabinet body is sequentially provided with a lower outgoing circuit breaker, a lower busbar, an upper outgoing circuit breaker, an upper busbar, a knife switch and a main bus bar from bottom to top. By the adoption of the technical scheme, electrical apparatus elements are not arranged and placed in independent cabinets according to separate function units, but an ingoing unit and a reactive compensation unit are combined together, so that a cabinet body is formed; an outgoing unit is combined with electrical elements, so that a cabinet body is formed, therefore space is saved under the condition of realizing the same functions. The low-voltage power distribution cabinet disclosed by the utility model is matched with transformer capacity and occupies a relatively small space simultaneously.
Description
Technical field
The utility model relates to the low-voltage complete power distribution cabinet, specifically is the low-voltage distribution cabinet that is applied in the 10KV prepackage box-type substation.
Background technology
In the prepackage box-type substation, for low-pressure system, often adopt GGD structure cabinet type, according to low-pressure system figure requirement, make single independently cabinet accordingly; Incoming line cabinet, capacitor box, outlet cabinet are generally arranged.Because the increase of transformer capacity, go out that line loop is also corresponding to be increased, the outlet cabinet is with regard to more than one.Like this,, increased cabinet quantity also undoubtedly, also just increased low-voltage distribution system shared ratio in whole box-type substation volume and be listed as though help the installation and maintenance of element.In high-power transformer box-type substation scheme,,, make the shared box-type substation volume ratio of low-pressure system power distribution cabinet volume surpass 50% because outlet loop quantity is more like the box-type substation of 1000KVA, 1250KVA capacity transformer.
In the prior art, take the cabinet skeleton is weldingly fixed in the box-type substation, carry out the installation of low-voltage component again.This mode has partly been practiced thrift departmental cost at cabinet body structure, but the effect aspect minimizing cabinet overall volume is unsatisfactory, and it is inconvenient also to cause components and parts to install simultaneously, has reduced production efficiency.
By on can know that the low-voltage distribution cabinet of above-mentioned existing box-type substation on reality is used, obviously has defective and exists, and remain to be improved.
Thus, the improving of the above-mentioned defective of the utility model thoughts is that the spy concentrates on studies and cooperates repetition test, proposes a kind of reasonable in design and effectively improve the utility model of above-mentioned defective finally.
Summary of the invention
To the weak point of prior art, the utility model aims to provide a kind of low-voltage distribution cabinet of box-type substation, guaranteeing this low-voltage distribution cabinet in the adapter transformer capacity, and occupies relatively little space, and electric component is easy for installation in the cabinet.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts: a kind of low-voltage distribution cabinet of box-type substation; Cabinet is made up of inlet wire reactive power compensation unit combination cabinet and outlet unit combination cabinet; One end face of outlet unit combination cabinet connects with inlet wire reactive power compensation unit combination cabinet one end side surface, and integral body is the L type, in the inlet wire reactive power compensation unit combination cabinet building-out capacitor, contactor, miniature circuit breaker, main circuit breaker, lead-in circuit breaker is set from bottom to top; Lower floor's outlet circuit breaker, lower floor's bus-bar, upper strata outlet circuit breaker, upper strata bus-bar, knife switch, main busbar are set in the outlet unit combination cabinet from bottom to top.
Adopt technique scheme, the arrangement of the electric elements of low-voltage distribution cabinet is placed no longer and is cut apart independent one-tenth cabinet by independent functional unit, but inlet wire and reactive power compensation unit combination are merged into a cabinet together; Outlet assembled unit electric component is formed cabinet, like this, when realizing said function, has saved the space.
The utility model and occupies relatively little space in the adapter transformer capacity, easy for installation.
Description of drawings
Fig. 1 is the utility model cabinet Pareto diagram;
Fig. 2 is the utility model inlet wire reactive power compensation unit combination cabinet front elevation;
Fig. 3 is the utility model outlet unit combination cabinet front elevation;
In the accompanying drawing: the main busbar 13 knife switches 14 upper strata bus-bars 15 upper strata outlet circuit breakers 16 lower floor's bus-bars of 1 inlet wire reactive power compensation unit combination cabinet 2 outlet unit combination cabinets, 3 building-out capacitor 4 contactors, 5 miniature circuit breaker 6 main circuit breakers, 7 lead-in circuit breaker 8 observation windows, 9 indicator light 10 instrument, 11 change over switches 12 17 lower floors outlet circuit breaker.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
In inlet wire reactive power compensation unit combination cabinet 1; Lead-in circuit breaker 7 is placed on cabinet 1 top; Conveniently like this be connected with the busbar of box-type substation step down side, through the bus frame fixedly busbar be connected to lead-in circuit breaker 7 upper ends, from lead-in circuit breaker 7 lower end outlets; Busbar just staggers by phase sequence on the cross section, laterally walks to drain into inlet wire reactive power compensation unit combination cabinet 1L shape corner; In the vertical, turn on the three-phase bronze medal is overlapping to main busbar 12, main busbar 12 extends to outlet unit combination cabinet 2 behind the bus frame; The instrument 10 of lead-in circuit breaker 7, indicator light 9, and change over switch 11 be placed on the door.Leave the space of dress metering electric energy meter in lead-in circuit breaker 7 sides, and the relevant position is opened observation window 8 and is made things convenient for reading on door.
The used components and parts in reactive power compensation unit are set below lead-in circuit breaker 7, place main circuit breaker 6, miniature circuit breaker 5, contactor 4, compensation condenser 3 from top to down.Main circuit breaker 6 busbar inlet wires directly connect from lead-in circuit breaker 7 leading-out terminal busbars, and main circuit breaker 6 outlet busbars connect A, B, C three-phase bar-bar respectively.The miniature circuit breaker 5 of each compensation circuit inlet wire from the bus-bar connects contactor 4 and building-out capacitor 3 again.For the high-power transformer box-type substation, compensation circuit is more, and building-out capacitor 3 is also more, and the placement of building-out capacitor 3 can extend to the corner of inlet wire reactive power compensation unit combination cabinet 1L type always.
Outlet unit sectional cabinet 2 goes out line loop with all and all concentrates in together, and according to low-pressure system outlet needs, places the knife switch 13 of respective numbers on cabinet top.The inlet wire busbar of knife switch 13 directly inserts from main busbar 12, and the inlet wire of upper strata circuit breaker 15 inserts from the bus-bar 14 on upper strata, and the inlet wire of lower floor's circuit breaker 17 is by knife switch 13 leading-out terminals of topmost, turns over downwards through the side and drains into lower floor's bus-bar 16; Upper and lower layer circuit breaker, 15,17 is in longitudinal direction placements of staggering, and upper strata circuit breaker 15 leans on the lining, and lower floor's circuit breaker 17 is outer, and upper and lower like this layer of circuit breaker 15,17 outlet can not produce interference.
The low-voltage distribution cabinet cabinet of this box-type substation adopts the spliced structure of framework, and column is no longer used the used 8MF section bar of GGD, but forms with the bending of high-quality cold-rolled steel sheet.All connect between cabinet column, crossbeam, a part with bolt.Door all is embedded door, is provided with in the hinge.The door shut the back with cabinet body frame in one plane, to increase the aesthetic measure of whole cabinet.
The utility model has reduced cabinet quantity after adopting the arrangement scheme of said structure and electric elements, and the low-pressure system overall volume is reduced about 50%, has reached the purpose that reduces the box-type substation volume.Electric elements can be installed outside box-type substation; Advance in the box-type substation together with cabinet after assembling is accomplished; Carrying out and cabinet is connected with busbar, making the production of production and low-voltage distribution system of box-type substation housing to walk abreast like this and carry out, improving production efficiency.
The above; Be merely the embodiment of the utility model embodiment; But the protection range of the utility model is not limited thereto; Any those of ordinary skill in the art are in the technical scope that the utility model discloses, and conspicuous variation or replacement all should be encompassed within the protection range of the utility model.
Claims (1)
1. the low-voltage distribution cabinet of a box-type substation; It is characterized in that: cabinet is made up of inlet wire reactive power compensation unit combination cabinet (1) and outlet unit combination cabinet (2); One end face of outlet unit combination cabinet (1) connects with inlet wire reactive power compensation unit combination cabinet (2) one end side surface; Integral body is the L type, and building-out capacitor (3), contactor (4), little disconnected (5), main circuit breaker (6), lead-in circuit breaker (7) are set in the inlet wire reactive power compensation unit combination cabinet (1) from bottom to top; Lower floor's outlet circuit breaker (17), lower floor's bus-bar (16), upper strata outlet circuit breaker (15), upper strata bus-bar (14), knife switch (13), main busbar (12) are set in the outlet assembled unit cabinet (2) from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205141811U CN202340069U (en) | 2011-12-12 | 2011-12-12 | Low-voltage power distribution cabinet for box-type transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205141811U CN202340069U (en) | 2011-12-12 | 2011-12-12 | Low-voltage power distribution cabinet for box-type transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202340069U true CN202340069U (en) | 2012-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205141811U Expired - Fee Related CN202340069U (en) | 2011-12-12 | 2011-12-12 | Low-voltage power distribution cabinet for box-type transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202340069U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219656A (en) * | 2013-05-08 | 2013-07-24 | 株洲南车机电科技有限公司 | Power distribution cabinet for wind power tower barrel |
| CN104979125A (en) * | 2014-12-04 | 2015-10-14 | 国家电网公司 | Switch disconnector with metal rubber and power equipment manufactured from same |
| CN106451739A (en) * | 2016-08-20 | 2017-02-22 | 嘉兴市正辉电力设备有限公司 | Low-voltage switch cabinet |
| CN112563915A (en) * | 2020-12-30 | 2021-03-26 | 现代重工(中国)电气有限公司 | Novel centrally-mounted low-voltage switch cabinet |
| CN114204463A (en) * | 2020-03-10 | 2022-03-18 | 河南丰源电力科技有限公司 | Intelligent integrated low-voltage power distribution cabinet |
-
2011
- 2011-12-12 CN CN2011205141811U patent/CN202340069U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219656A (en) * | 2013-05-08 | 2013-07-24 | 株洲南车机电科技有限公司 | Power distribution cabinet for wind power tower barrel |
| CN104979125A (en) * | 2014-12-04 | 2015-10-14 | 国家电网公司 | Switch disconnector with metal rubber and power equipment manufactured from same |
| CN106451739A (en) * | 2016-08-20 | 2017-02-22 | 嘉兴市正辉电力设备有限公司 | Low-voltage switch cabinet |
| CN114204463A (en) * | 2020-03-10 | 2022-03-18 | 河南丰源电力科技有限公司 | Intelligent integrated low-voltage power distribution cabinet |
| CN112563915A (en) * | 2020-12-30 | 2021-03-26 | 现代重工(中国)电气有限公司 | Novel centrally-mounted low-voltage switch cabinet |
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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 |
Granted publication date: 20120718 Termination date: 20141212 |
|
| EXPY | Termination of patent right or utility model |