CN110445047B - 220KV all-indoor substation in compact arrangement - Google Patents
220KV all-indoor substation in compact arrangement Download PDFInfo
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- CN110445047B CN110445047B CN201910728295.7A CN201910728295A CN110445047B CN 110445047 B CN110445047 B CN 110445047B CN 201910728295 A CN201910728295 A CN 201910728295A CN 110445047 B CN110445047 B CN 110445047B
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- 230000007613 environmental effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
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- 229910052802 copper Inorganic materials 0.000 description 2
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- 229910000976 Electrical steel Inorganic materials 0.000 description 1
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- 239000011229 interlayer Substances 0.000 description 1
- 229910052742 iron Inorganic materials 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The invention relates to a compactly arranged 220kV full indoor transformer substation, which comprises a building, a plurality of main transformer units, 220kV/110kV gas-insulated metal-enclosed switchgear, a 10kV switch cabinet, a 10kV arc suppression coil grounding transformer complete device and secondary equipment, wherein the building is internally divided into a first space, a second space and a third space along the Y-axis direction of a rectangular coordinate system, the second space is divided into a first subspace and a second subspace, and the third space is divided into a third subspace and a fourth subspace. The main transformer unit is arranged in the first space, the secondary equipment is arranged in the first subspace, the 10kV switch cabinet and the 10kV arc suppression coil are grounded and become a sleeve, the sleeve is arranged in the second subspace, the 220kV gas-insulated metal-enclosed switchgear is arranged in the third subspace, and the 110kV gas-insulated metal-enclosed switchgear is arranged in the fourth subspace. The invention can reduce the total occupied area of the transformer substation, and the equipment arrangement is more compact and reasonable.
Description
Technical Field
The invention relates to the technical field of power transmission and transformation engineering design, in particular to a compact arrangement scheme of a 220kV full indoor transformer substation.
Background
With the strong promotion of urban level in China, the electricity load of residents is continuously increased, but land resources in urban areas are scarce and land characterization is difficult, so that higher requirements are put forward on the design of transformer substations. Equipment is reasonably selected and an arrangement scheme is formulated according to the requirements of power load property, capacity, environmental conditions, operation and maintenance and the like, so that the principle of saving land is maintained, and the requirements of ventilation, heat dissipation, noise reduction and the like are met.
At present, the existing 220kV indoor transformer substation generally adopts horizontal split arrangement of a double-winding or three-winding transformer, the amount of silicon steel sheets and copper wires used is large, copper loss and iron loss are large, and the occupied area is large. The distribution device is arranged on different floors of the comprehensive transformer building, the connection among the electric equipment of each voltage class is generally in a cable mode, the number of cables is large, the investment is high, and the crossing is easy to cause. The design of the ventilation air-conditioning system of the transformer substation usually adopts a form of a centralized ventilation air-conditioning system, so that the ventilation quantity and the temperature level of each functional room are unnecessarily consistent, energy is wasted, and the environmental protection requirement is not met.
Thus, with the widespread use of 220kV all-in-house substations, the compact arrangement of electrical equipment is becoming a key to reducing the building area as well as the total floor space of the substation.
Disclosure of Invention
The invention aims to provide a 220kV all-indoor substation capable of reducing occupied area and arranged compactly.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a full indoor transformer substation of 220kV that compactly arranges, includes building, a plurality of main transformer unit, 220kV gas-insulated metal-enclosed switchgear, 110kV gas-insulated metal-enclosed switchgear, 10kV cubical switchboard, 10kV arc suppression coil ground becomes integrated equipment, secondary equipment, every main transformer unit include a main transformer and rather than supporting radiator, 10kV dynamic reactive power compensation device establish rectangular coordinate system in the horizontal direction in the building, follow rectangular coordinate system's Y-axis direction will space in the building divide into first space, second space and the third space that set gradually, main transformer unit set up in the first space, follow rectangular coordinate system's X-axis direction will the second space divide into first subspace and the second subspace that sets gradually, secondary equipment set up in the first subspace, 10kV cubical switchboard with 10kV coil ground becomes integrated equipment set up in the second subspace, follow rectangular coordinate system's Y-axis direction will divide into first space, second space and third space along rectangular coordinate system's X-axis direction will divide into the second subspace, 220kV metal-insulated metal-enclosed switchgear sets up in the fourth space.
Preferably, the building is internally divided into a main transformer room, a secondary equipment room and a comprehensive room through a wall body, the main transformer room is located at the first space, a main transformer unit is arranged in the main transformer room, the secondary equipment room is arranged at the first subspace, secondary equipment is arranged in the secondary equipment room, the comprehensive room is arranged at the second subspace, the third subspace and the fourth subspace, and the 220kV gas-insulated metal-enclosed switchgear is provided with the 110kV gas-insulated metal-enclosed switchgear, the 10kV switch cabinet and the 10kV arc suppression coil grounding transformer device are all arranged in the comprehensive room.
Preferably, in each main transformer unit in the main transformer chamber, the radiator and the 10kV dynamic reactive power compensation device are both arranged on the side part of the main transformer, the lowest part of the radiator is located on the plane where the midpoint of the height of the main transformer is located, and the 10kV dynamic reactive power compensation device is arranged below the radiator.
Preferably, the space where each main transformer unit in the main transformer chamber is located is divided into a main transformer body chamber, a radiator chamber and a compensation device chamber by a wall body and a floor slab, the main transformer is arranged in the main transformer body chamber, the radiator is arranged in the radiator chamber, and the 10kV dynamic reactive power compensation device is arranged in the compensation device chamber.
Preferably, at least part of the radiator chamber is arranged open-air.
Preferably, in the secondary equipment chamber, the secondary equipment is arranged in a plurality of rows.
Preferably, in the comprehensive room, the 10kV switch cabinet adopts a single-row and double-row combined arrangement mode, and the 10kV arc suppression coil grounding transformer device is arranged on one side of the single-row arranged 10kV switch cabinet.
Preferably, the 220kV gas-insulated metal-enclosed switchgear and the 110kV gas-insulated metal-enclosed switchgear are connected with the main transformer through GIL air pipes, and the outgoing line side of the 220kV gas-insulated metal-enclosed switchgear and the outgoing line side of the 110kV gas-insulated metal-enclosed switchgear are connected with cables.
Preferably, a cable trench for arranging cables is arranged at the bottom of the comprehensive room.
Preferably, an intelligent environment control system is arranged in the building.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the invention can reduce the total occupied area of the transformer substation, has more compact and reasonable equipment arrangement and is convenient for developing work.
Drawings
Fig. 1 is a one-layer floor plan view of a compactly arranged 220kV all-in-house substation of the present invention.
Fig. 2 is a two-layer floor plan view of the compactly arranged 220kV all-in-one substation of the present invention.
Fig. 3 is an enlarged cross-sectional view of a 220kV gas insulated metal-enclosed switchgear in a compactly arranged 220kV all-in-house substation according to the invention.
Fig. 4 is an enlarged cross-sectional view of a 110kV gas insulated metal-enclosed switchgear involved in a compactly arranged 220kV all-indoor substation of the present invention.
In the above figures: 1. a building; 2. 220kV gas-insulated metal-enclosed switchgear; 3. 110kV gas-insulated metal-enclosed switchgear; 4. a 10kV switch cabinet; 5. grounding transformer complete equipment of 10kV arc suppression coil; 6. a main transformer; 7. a heat sink; 8. 10kV dynamic reactive power compensation device; 9. a secondary device; 10. a roof; 11. a main transformer chamber; 12. a secondary equipment room; 13. a comprehensive room; 14. a main transformer body chamber; 15. a radiator chamber; 16. a compensation device chamber; 17. a full station main entrance; 18. GIL trachea.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings.
Embodiment one: as shown in fig. 1 to 4, a compactly arranged 220kV all-indoor substation comprises a building 1, a plurality of main transformer units, a plurality of 220kV gas-insulated metal-enclosed switchgear 2 (Gas Insulated Substation, GIS), a plurality of 110kV gas-insulated metal-enclosed switchgear 3, a plurality of 10kV switch cabinets 4, a plurality of 10kV arc suppression coil grounding turn-to-suit devices 5 and a plurality of secondary devices 9, wherein the main transformer units, the 220kV gas-insulated metal-enclosed switchgear 2 (Gas Insulated Substation, GIS) are arranged in the building 1. Each main transformer unit comprises a main transformer 6, a radiator 7 matched with the main transformer 6 and a 10kV dynamic reactive power compensation device 8.
The plane of the building 1 is rectangular, and comprises vertical four-side outer walls, a roof arranged at the top of the outer walls and a bottom surface arranged at the bottom of the outer walls. Each located below the roof 10.
A rectangular coordinate system is established in the horizontal direction in the building 1, the space in the building 1 is divided into a first space, a second space and a third space which are sequentially arranged along the Y-axis direction of the rectangular coordinate system, the second space is divided into a first subspace and a second subspace which are sequentially arranged along the X-axis direction of the rectangular coordinate system, and the third space is divided into a third subspace and a fourth subspace which are sequentially arranged along the X-axis direction of the rectangular coordinate system. In this embodiment, the positive direction of the Y axis in the rectangular coordinate system is north.
The interior of the building 1 is divided into a main transformer room 11, a secondary equipment room 12 and a comprehensive room 13 by walls.
The main transformer chamber 11 is located at the first space, and the main transformer unit is disposed in the main transformer chamber 11, that is, the main transformer unit is disposed in the first space. If the main transformer comprises a plurality of main transformer units, the main transformer units are arranged in rows along the east-west direction. In each main transformer unit, a radiator 7 and a 10kV dynamic reactive power compensation device 8 are arranged on the side part of a main transformer 6, the lowest part of the radiator 7 is positioned on the plane where the midpoint of the height of the main transformer 6 is positioned, and the 10kV dynamic reactive power compensation device 8 is arranged below the radiator 7. I.e. the radiator 7 is arranged above the side of the main transformer 6 and below the side of the main transformer 6 of the 10kV dynamic reactive power compensation device 8. Therefore, the space where each main transformer unit in the main transformer room 11 is located is divided into a main transformer body room 14, a radiator room 15 and a compensation device room 16 by walls and floors, the main transformer 6 is arranged in the main transformer body room 14, the radiator 7 is arranged in the radiator room 15, and the 10kV dynamic reactive power compensation device 8 is arranged in the compensation device room 16. At least part of the radiator chamber 15 is arranged open-air. It can be seen that the building 1 takes the form of a partial two-storey structure with the remainder being one storey.
The main transformer 6 adopts a three-phase autotransformer and an on-load voltage-regulating oil immersed transformer, and has the advantages of less consumption materials, low cost, less loss, high benefit, light weight, small size, small occupied area and the like. The 10kV dynamic reactive power compensation device 8 has the advantages of small volume, less loss, flexible control system and intelligence.
The secondary device chamber 12 is arranged at the first subspace, and the secondary device 9 is arranged in the secondary device chamber 12, i.e. the secondary device 9 is arranged in the first subspace. The secondary devices 9 may be arranged in modular rows. The secondary equipment room 12 can be positioned at the main entrance 17 of the whole station, so that the operation is convenient.
The comprehensive room 13 is arranged at the second subspace, the third subspace and the fourth subspace, and as the operation characteristics and maintenance requirements required by the 220kV gas-insulated metal-enclosed switchgear 2, the 110kV gas-insulated metal-enclosed switchgear 3 and the 10kV switchgear 4 are consistent, and the protection devices arranged on the 220kV gas-insulated metal-enclosed switchgear 2 and the 110kV gas-insulated metal-enclosed switchgear 3 can be placed down into the equipment room for arrangement, the 220kV gas-insulated metal-enclosed switchgear 2, the 110kV gas-insulated metal-enclosed switchgear 3, the 10kV switchgear 4 and the 10kV arc suppression coil grounding transformer complete equipment 5 are arranged in the comprehensive room 13, namely the common room is arranged. The method comprises the following steps: the 10kV switch cabinet 4 and the 10kV arc suppression coil grounding sleeve are arranged in the second subspace, the 220kV gas-insulated metal-enclosed switchgear 2 is arranged in the third subspace and positioned in the southwest direction of the building 1, and the 110kV gas-insulated metal-enclosed switchgear 3 is arranged in the fourth subspace and positioned in the southeast direction of the building 1.
In the integrated room 13, 220kV gas-insulated metal-enclosed switchgear 2, 110kV gas-insulated metal-enclosed switchgear 3 are arranged side by side. The south side of the 220kV gas-insulated metal-enclosed switchgear 2 and the north side of the 110kV gas-insulated metal-enclosed switchgear 3 are provided with installation, overhaul and inspection channels. The 10kV switch cabinet 4 adopts a single-row and double-row combined arrangement mode, and the 10kV arc suppression coil grounding transformer device 5 is arranged on one side of the 10kV switch cabinet 4 in single-row arrangement. The 10kV switch cabinet 4 adopts an inflatable switch cabinet in a user, and has small occupied area and no maintenance. The 10kV grounding transformer and arc suppression coil adopts a complete device, is assembled by a factory, simplifies the installation mode, reduces the field workload and shortens the installation period. Because the inflatable cabinet is a fixed cabinet, the maintenance channel is set to be 2 meters in front of the cabinet and 1 meter behind the cabinet, so that the distribution equipment of each voltage level is fully combined, shared and overhauled and patrolled, and the indoor space of the transformer substation is efficiently utilized.
220KV gas-insulated metal-enclosed switchgear 2 and 110kV gas-insulated metal-enclosed switchgear 3 are respectively connected with main transformer 6 through GIL (Gas Insulated Metal Enclosed Transmission Line, GIL) air pipes 18, so that laying of indoor cables is greatly reduced. The GIL gas pipe 18 connecting the 220kV gas insulated metal-enclosed switchgear 2 and the main transformer 6 comprises a first 220kV gas pipe section, a second 220kV gas pipe section and a third 220kV gas pipe section which are sequentially connected, wherein the first 220kV gas pipe section extends upwards to the upper side of the roof 10 from the main transformer inlet side of the 220kV gas insulated metal-enclosed switchgear 2, the second 220kV gas pipe section is arranged above the roof 10 and extends to the corresponding position of the main transformer 6 from the corresponding position of the 220kV gas insulated metal-enclosed switchgear 2, and the third 220kV gas pipe section extends downwards to the oil-gas sleeve of the main transformer 6 from the upper side of the roof 10. The GIL gas pipe 18 connecting the 110kV gas insulated metal-enclosed switchgear 3 and the main transformer 6 comprises a first 110kV gas pipe section, a second 110kV gas pipe section and a third 110kV gas pipe section which are sequentially connected, wherein the first 110kV gas pipe section extends upwards to the lower part of the roof 10 from the main transformer incoming line side of the 110kV gas insulated metal-enclosed switchgear 3, the second 110kV gas pipe section is arranged below the roof 10 and extends to the corresponding position of the main transformer 6 from the corresponding position of the 110kV gas insulated metal-enclosed switchgear 3, and the third 110kV gas pipe section extends downwards to the oil-gas sleeve of the main transformer 6 from the lower part of the roof 10.
The outgoing line side of the 220kV gas-insulated metal-enclosed switchgear 2 and the outgoing line side of the 110kV gas-insulated metal-enclosed switchgear 3 are connected with cables. And determining the cable outlet direction according to the distribution device arrangement scheme. The 220kV cable tunnel is western, the diameter of the 220kV single-core cable is about 126mm, the designed turning radius is about 2.5m, the 220kV cable tunnel is considered as depth of 3.0m, and the width is considered as width of 2 m. The 110kV cable tunnel is directed south, the diameter of a 110kV single-core cable is about 100mm, the designed turning radius is about 2.0 mm, the 110kV cable trench is considered to be 2.1m in depth, and the cable tunnel is considered to be 1.9m in depth. The 10kV cable trench for arranging cables is arranged at the bottom of the comprehensive room 13 and positioned below and at the rear of the 10kV switch cabinet 4, outgoing lines are on the east side, and no intersection exists between the 10kV cable trench and 220kV and 110kV outgoing lines. The finished cable duct, the inorganic composite cover plate and the bracket are adopted, industrial processing and modularized installation modes are adopted, and the construction period is shortened.
The building 1 can also utilize the residual space to set up a toilet, an auxiliary room (such as a storage battery room, etc.), etc.
In addition, still set up intelligent environmental control system in the building 1, can realize ventilation and heat dissipation, prevent condensation, arrange SF6 leakage, noiseless dust filtration through intelligent environmental control system to and functions such as wired or wireless control, inquiry and warning are equipped with full-automatic fire prevention explosion-proof partition equipment. For ventilation, accident ventilation devices are arranged in the comprehensive room 13, the secondary equipment room 12, the storage battery room and the like, the accident ventilation of the comprehensive room 13 is not less than 4 times per hour, the accident ventilation of other rooms is not less than 12 times per hour, and natural air inlet and mechanical air exhaust are adopted for accident ventilation. A cooling and ventilating device can also be arranged.
The intelligent environment control system realizes full-automatic control of the change of the air inlet quantity corresponding to the change of the air outlet heat flow by optimizing the transformer substation and determining the positions of the detection point and the air inlet and outlet vent, and utilizes the heat energy generated by equipment to guide the heat inside the transformer substation to form orderly and directional emission so as to realize intelligent control of the environment of the transformer substation with ultra-low consumption.
The invention has the advantages that: the electrical equipment with high efficiency and low energy consumption is selected, the connection mode and the cable laying path are optimized, the space utilization rate of the transformer substation is improved, convenience is provided for transportation, installation, maintenance and inspection of the electrical equipment, and the method is specifically described as follows: (1) The electrical equipment of each voltage class adopts a miniaturized device in a user, so that the occupied area is small, the loss is low, the transportation and the installation are convenient, and the performance is better; (2) As many devices with different voltage levels are arranged in the same room as possible, and the devices share an overhaul channel and an inspection channel, so that the land is saved, and the building area is reduced; (3) And a cable tunnel and a cable trench are adopted, a cable interlayer is canceled, and the building area is reduced. 220. The 110kV single-core cable and the 10kV three-core cable are laid separately, the cable is led to be connected clearly and conveniently, the path is smooth, and the outgoing lines of the cables of all voltage classes are prevented from crossing and crossing; (4) The intelligent environment control system of the transformer substation is used for measuring the temperature and humidity of each different point in the operation space of the electrical equipment, and the position of the ventilation opening is optimized, so that the internal heat is orderly and directionally discharged, and the intelligent environment control system has the advantages of safe operation and energy conservation in cooling.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a full indoor transformer substation of 220kV that compactly arranges, includes building, a plurality of main transformer unit, 220kV gas-insulated metal-enclosed switchgear, 110kV gas-insulated metal-enclosed switchgear, 10kV cubical switchboard, 10kV arc suppression coil ground connection become integrated equipment, secondary equipment, every main transformer unit includes a main transformer and rather than supporting radiator, 10kV dynamic reactive power compensator, its characterized in that: a rectangular coordinate system is established in the horizontal direction in the building, the space in the building is divided into a first space, a second space and a third space which are sequentially arranged along the Y-axis direction of the rectangular coordinate system, the main transformer unit is arranged in the first space, the second space is divided into a first subspace and a second subspace which are sequentially arranged along the X-axis direction of the rectangular coordinate system, secondary equipment is arranged in the first subspace, a 10kV switch cabinet and a 10kV arc suppression coil grounding sleeve device are arranged in the second subspace, the third space is divided into a third subspace and a fourth subspace which are sequentially arranged along the X-axis direction of the rectangular coordinate system, and the 220kV gas-insulated metal-enclosed switchgear is arranged in the third subspace and the 110kV gas-insulated metal-enclosed switchgear is arranged in the fourth subspace.
2. A compactly arranged 220kV all-in-house substation as claimed in claim 1, wherein: the building is internally divided into a main transformer room, a secondary equipment room and a comprehensive room through a wall body, the main transformer room is located at the first space, a main transformer unit is arranged in the main transformer room, the secondary equipment room is arranged at the first subspace, secondary equipment is arranged in the secondary equipment room, the comprehensive room is arranged at the second subspace, the third subspace and the fourth subspace, and the 220kV gas-insulated metal-enclosed switchgear is provided with the 110kV gas-insulated metal-enclosed switchgear, the 10kV switch cabinet and the 10kV arc suppression coil grounding transformer are all arranged in the comprehensive room.
3. A compactly arranged 220kV all-in-house substation as claimed in claim 2, wherein: in each main transformer unit in the main transformer chamber, the radiator and the 10kV dynamic reactive power compensation device are arranged on the side part of the main transformer, the lowest part of the radiator is positioned on the plane where the midpoint of the height of the main transformer is positioned, and the 10kV dynamic reactive power compensation device is arranged below the radiator.
4. A compactly arranged 220kV all-in-house substation according to claim 3, characterized by: the space in which each main transformer unit is located in the main transformer room is divided into a main transformer body room, a radiator room and a compensation device room by walls and floors, the main transformer is arranged in the main transformer body room, the radiator is arranged in the radiator room, and the 10kV dynamic reactive power compensation device is arranged in the compensation device room.
5. A compactly arranged 220kV all-in-house substation as claimed in claim 4, wherein: at least part of the radiator chamber is arranged in an open type outdoor mode.
6. A compactly arranged 220kV all-in-house substation as claimed in claim 2, wherein: in the secondary equipment chamber, the secondary equipment is arranged in a plurality of rows.
7. A compactly arranged 220kV all-in-house substation as claimed in claim 2, wherein: in the comprehensive room, the 10kV switch cabinet adopts a single-row and double-row combined arrangement mode, and the 10kV arc suppression coil grounding transformer is arranged on one side of the single-row arranged 10kV switch cabinet.
8. A compactly arranged 220kV all-in-house substation as claimed in claim 2, wherein: the 220kV gas-insulated metal-enclosed switchgear and the 110kV gas-insulated metal-enclosed switchgear are respectively connected with the main transformer through GIL air pipes, and the outgoing line side of the 220kV gas-insulated metal-enclosed switchgear and the outgoing line side of the 110kV gas-insulated metal-enclosed switchgear are connected with cables.
9. A compactly arranged 220kV all-in-house substation as claimed in claim 8, wherein: and a cable trench for arranging cables is arranged at the bottom of the comprehensive room.
10. A compactly arranged 220kV all-in-house substation as claimed in claim 2, wherein: an intelligent environment control system is arranged in the building.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910728295.7A CN110445047B (en) | 2019-08-08 | 2019-08-08 | 220KV all-indoor substation in compact arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910728295.7A CN110445047B (en) | 2019-08-08 | 2019-08-08 | 220KV all-indoor substation in compact arrangement |
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| Publication Number | Publication Date |
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| CN110445047A CN110445047A (en) | 2019-11-12 |
| CN110445047B true CN110445047B (en) | 2024-06-04 |
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| CN201910728295.7A Active CN110445047B (en) | 2019-08-08 | 2019-08-08 | 220KV all-indoor substation in compact arrangement |
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| CN208489586U (en) * | 2018-07-30 | 2019-02-12 | 中国能源建设集团陕西省电力设计院有限公司 | A kind of full indoor substation equipment arragement construction of 330kV |
| CN208623214U (en) * | 2018-07-30 | 2019-03-19 | 中国能源建设集团陕西省电力设计院有限公司 | A kind of 330kV indoor substation main transformer inlet wire arragement construction |
| CN209169781U (en) * | 2018-10-15 | 2019-07-26 | 内蒙古电力（集团）有限责任公司内蒙古电力经济技术研究院分公司 | A kind of complete indoor 220kV substation |
| CN210224761U (en) * | 2019-08-08 | 2020-03-31 | 苏州电力设计研究院有限公司 | 220kV all-indoor transformer substation compactly arranged |
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| CN110445047A (en) | 2019-11-12 |
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