CN204885967U - Three integrative transformer underground substations of 35kV - Google Patents
Three integrative transformer underground substations of 35kV Download PDFInfo
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- CN204885967U CN204885967U CN201520412080.1U CN201520412080U CN204885967U CN 204885967 U CN204885967 U CN 204885967U CN 201520412080 U CN201520412080 U CN 201520412080U CN 204885967 U CN204885967 U CN 204885967U
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- transformer
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- 239000003990 capacitor Substances 0.000 claims abstract description 6
- VOYADQIFGGIKAT-UHFFFAOYSA-N 1,3-dibutyl-4-hydroxy-2,6-dioxopyrimidine-5-carboximidamide Chemical compound CCCCn1c(O)c(C(N)=N)c(=O)n(CCCC)c1=O VOYADQIFGGIKAT-UHFFFAOYSA-N 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 12
- 238000010276 construction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model provides a three integrative transformer underground substations of 35kV, the transformer substation is equipped with two layers secret one decks, underground, the underground one deck is equipped with 10kV capacitor chamber, master -control room, the change of 10kV ground connection and arc suppressing coil room, the underground is equipped with 35kV electricity distribution room, 10kV electricity distribution room, two fan room that are used for setting up the transformer room of the integrative transformer of 35kV and are used for setting up exhaust device for two layers, the transformer substation still is equipped with the downcast, the downcast link up from ground is vertical underground one deck and two layers underground, and set up two between the transformer room, it utilizes to advance exhaust device the downcast is right the transformer substation takes a breath.
Description
Technical field
The utility model relates to substation structure design field, is specifically related to a kind of 35kV tri-one transformer underground substation.
Background technology
Namely transformer station changes the place of voltage, control and distribution electric energy, and transformer is the capital equipment of transformer station, and in addition transformer station also comprises the plurality of devices such as controller switching equipment, energy storage device, secondary device.
Concentrate but the area of land used anxiety at city densely populated place, electric load, namely require to save the area, low noise of begging to surrender again, build transformer station's floor space on the ground and greatly, be not suitable with the planning construction of modern power network.And designer is according to the structure of the land area design transformer station planned in advance, the structural difference between each transformer station can be made larger, and the transformer station designed may be unsuitable for periphery situation, such as because the position of each canyon arranges unreasonable, cause the cable arrangement in transformer station chaotic.
Utility model content
For this reason, technical problem to be solved in the utility model is to provide a kind of underground substation normal structure, to save land area, and reduces the impact on surrounding enviroment, is reduced in the resistance of urban spraw transformer station.
The utility model provides a kind of 35kV tri-one transformer underground substation, and described transformer station comprises B1 and two layers, underground; Described B1 is provided with 10kV capacitor chamber, master-control room, and for arranging the Ventilator Room into air exhausting device; Two layers, described underground is provided with 35kV switchgear house, 10kV switchgear house, and three transformer rooms be disposed adjacent, and is respectively used to arrange 35kV one transformer; Described transformer station is also provided with the first downcast and the second downcast, described first downcast and the second downcast be vertical through described B1 and two layers, underground from ground all, wherein said first downcast is arranged between the transformer room that is disposed adjacent described in two, described second downcast is arranged on the avris of transformer room described in another, described in enter air exhausting device and utilize described first downcast and the second downcast to take a breath to described transformer station.
Preferably, described transformer room is logical high structure.
Preferably, described transformer station is also provided with cable half storey, and described cable half storey is arranged on below, two layers, described underground, for power cable laying.
Preferably, described transformer station is also provided with at least one cable shaft, and described cable shaft is vertical through described B1 and two layers, underground from ground, and is arranged at the avris of described transformer station inside, for arranging power cable.
Preferably, described power cable is by cable testing bridge and corresponding equipment connection.
Preferably, the outside of described transformer station is also provided with sinking space, and described sinking space is adjacent with described transformer room, and the partition wall of adjacent is provided with ventilating window.
Compared with prior art, the 35kV that the utility model provides tri-one transformer underground substation adopts complete indoor underground structure design, can reduce noise, meet city planning; This transformer station realizes dispelling the heat to transformer by downcast, provides air in station simultaneously; The layout of this transformer station can save space, and then investment of saving the area, and accelerates area power grid engineering design and construction speed simultaneously, improves construction quality, facilitate resource-conserving and environment-friendly society's construction.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is 35kV tri-the one transformer underground substation B1 plane structure chart that the utility model embodiment provides;
Fig. 2 is 35kV tri-one underground two, the transformer underground substation layer plane structure chart that the utility model embodiment provides;
Fig. 3 is the cross-section structure of 35kV tri-the one transformer underground substation that the utility model embodiment provides.
Embodiment
The utility model embodiment provides a kind of 35kV tri-one transformer underground substation, comprise B1 and two layers, underground, Fig. 1, Fig. 2 and Fig. 3 show the structure of the transformer station that the utility model provides, equipment in each canyon described in the utility model and device room is the common equipment in transformer station, it will be appreciated by those skilled in the art that the annexation between each equipment, Gu Tuzhong eliminates the stube cable of each equipment room.As shown in Figure 3, all structures in the transformer station that the present embodiment provides and equipment are all positioned at ground less than 30, particularly, as shown in Figure 1, the B1 of this transformer station is provided with: 10kV capacitor chamber 11, master-control room 12, and for arranging the Ventilator Room 13 into air exhausting device; As shown in Figure 2, two layers, described underground is provided with 35kV switchgear house 21,10kV switchgear house 22, and three transformer rooms be disposed adjacent 23, is respectively used to arrange 35kV one transformer, and the wall of described transformer room 23 can be preferably fire compartment wall.
Described transformer station is also provided with the first downcast 101 and the second downcast 102, described first downcast 101 and the second downcast 102 all vertical through described B1 and two layers, undergrounds from ground, wherein said first downcast 101 is arranged between the transformer room 23 that is disposed adjacent described in two, described second downcast 102 is arranged on the avris of transformer room 23 described in another, described enter air exhausting device utilize described first downcast 101 and the second downcast 102 to take a breath to described transformer station, namely the mode of heat loss through convection is adopted, by gas flow each equipment to transformer station inside, especially the transformer in transformer room carries out exchange heat, to reach heat radiation object, also can provide air for interior space of standing simultaneously.It will be understood by those skilled in the art that to strengthen ventilation effect, in transformer station, arrange more ventilating shaft is also feasible, such as, can be arranged on the walkway place in station.
Above-mentioned transformer station be provided with 3 back into, 24 return back out line.The mode of connection is that 35kV side adopts the wiring of line change group, 10kV side adopts single busbar connection four section wiring.Wherein Transformer Selection 35kV double winding one transformer, every platform capacity 31.5MVA, indoor layout; 35kV power distribution equipment comprises the single-row layout of indoor switch cabinet, cable outlet; 10kV power distribution equipment comprises indoor switch cabinet dually arrayed, cable outlet.Capacitor is preferably reactive-load compensation capacitor in station, and be arranged on 10kV side, capacity is 2 × (2+2) Mvar, long cable section of ingoing line.10kV small current neutral grounding system adopts ground connection to become and blowout coil set apparatus, and ground connection varying capacity is 400kVA, and wherein the double station of doing of ground connection change becomes, long cable section of ingoing line.
The power transformation secondary scheme of this transformer station comprises:
(1) instrument transformer, such as routine transformer, and can not merge cells be configured, intelligent terminal is not set;
(2) 35kV and main transformer adopt protection measurement and control integration device, and 10kV adopts protection, observing and controlling, metering All-in-One device;
(3) independently prepared auto restart and low cycles unloading device is configured;
(4) integration power-supply system in station is adopted.
The 35kV that the utility model provides tri-one transformer underground substation adopts complete indoor underground structure design, can reduce noise, meet city planning; This transformer station realizes dispelling the heat to transformer by downcast, provides air in station simultaneously; The layout of this transformer station can save space, and then investment of saving the area, and accelerates area power grid engineering design and construction speed, improves construction quality, facilitate resource-conserving and environment-friendly society's construction.
In order to improve the equipment cooling effect in transformer room 23 further, thus improve the fail safe of transformer station, described transformer room 23 preferably can lead to high structure, logical high also referred to as overhead, belong to building field term, represent that in two floors, one deck does not have floor, directly leads to top by bottom above, this structure is conducive to being positioned at indoor equipment and dispels the heat.The outside of described transformer station can also be provided with sinking space 31, namely a subsidence observation is formed at the avris of transformer station, this sinking space 31 is all adjacent with described three transformer rooms be disposed adjacent 23, and the partition wall of adjacent is provided with ventilating window 32, the air circulation in transformer room can be optimized thus further, reach the effect optimizing heat radiation.
In order to optimize the cable arrangements situation in transformer station further, described transformer station can also be provided with at least one cable shaft 14, described cable shaft 14 is vertical through described B1 and two layers, underground from ground, and is arranged at the avris of described transformer station inside, for arranging power cable.
Further, described transformer station can also be provided with cable half storey 33, and described cable half storey 33 is arranged on below, two layers, described underground, and for laying once, secondary power cable, namely in underground, two layers of below are also provided with a space, moves towards through separately for cable; Described transformer station can also arrange cable interlayer, and described cable interlayer is arranged between described master-control room and described 35kV switchgear house, and for power cable laying, and above-mentioned power cable can by cable testing bridge and corresponding equipment connection.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range that the utility model creates.
Claims (6)
1. a 35kV tri-one transformer underground substation, it is characterized in that, described transformer station comprises B1 and two layers, underground; Described B1 is provided with 10kV capacitor chamber, master-control room, and for arranging the Ventilator Room into air exhausting device; Two layers, described underground is provided with 35kV switchgear house, 10kV switchgear house, and three transformer rooms be disposed adjacent, and is respectively used to arrange 35kV one transformer;
Described transformer station is also provided with the first downcast and the second downcast, described first downcast and the second downcast be vertical through described B1 and two layers, underground from ground all, wherein said first downcast is arranged between the transformer room that is disposed adjacent described in two, described second downcast is arranged on the avris of transformer room described in another, described in enter air exhausting device and utilize described first downcast and the second downcast to take a breath to described transformer station.
2. transformer station according to claim 1, is characterized in that, described transformer room is logical high structure.
3. transformer station according to claim 1, is characterized in that, described transformer station is also provided with cable half storey, and described cable half storey is arranged on below, two layers, described underground, for power cable laying.
4. transformer station according to claim 1, it is characterized in that, described transformer station is also provided with at least one cable shaft, and described cable shaft is vertical through described B1 and two layers, underground from ground, and be arranged at the avris of described transformer station inside, for arranging power cable.
5. the transformer station according to claim 3 or 4, is characterized in that, described power cable is by cable testing bridge and corresponding equipment connection.
6. the transformer station according to any one of claim 1-4, is characterized in that, the outside of described transformer station is also provided with sinking space, and described sinking space is adjacent with described transformer room, and the partition wall of adjacent is provided with ventilating window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520412080.1U CN204885967U (en) | 2015-06-15 | 2015-06-15 | Three integrative transformer underground substations of 35kV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520412080.1U CN204885967U (en) | 2015-06-15 | 2015-06-15 | Three integrative transformer underground substations of 35kV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204885967U true CN204885967U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520412080.1U Active CN204885967U (en) | 2015-06-15 | 2015-06-15 | Three integrative transformer underground substations of 35kV |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204885967U (en) |
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2015
- 2015-06-15 CN CN201520412080.1U patent/CN204885967U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |