A new type of all-indoor substation
By placing some rooms alongside the gas-insulated substation in the indoor substation and adjusting the location of the reactive power compensation device area, the layout was optimized, solving the problems of large footprint and difficult pipeline laying, and achieving higher space utilization and lower engineering costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- POWERCHINA FUJIAN ELECTRIC POWER SURVEY & DESIGN INST CO LTD
- Filing Date
- 2025-06-03
- Publication Date
- 2026-05-29
AI Technical Summary
The existing indoor substation layout results in a large footprint, increasing the difficulty of pipeline laying. Furthermore, the location of the existing reactive power compensation device area is unreasonable, affecting space utilization and pipeline planning.
Some rooms were placed alongside the gas-insulated substation, optimizing the structure and functional layout of the power distribution building. The location of the reactive power compensation device area was changed from being alongside the main transformer room to being alongside the control room. The structure of the gas-insulated substation was adjusted to save space and facilitate pipeline planning.
It improved space utilization, reduced land occupation, simplified pipeline laying, reduced project costs, and improved construction efficiency.
Smart Images
Figure CN224305250U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of fully indoor substations, specifically to a new type of fully indoor substation. Background Technology
[0002] Under the new power system, the design of indoor substations needs to adapt to the large-scale access of new energy equipment and consider the specific configuration of static var generators and dynamic reactive power compensation devices, so as to improve the safe and stable operation of new energy equipment connected to the power grid and realize smooth, continuous and bidirectional regulation of system reactive power.
[0003] See appendix Figure 3 Appendix Figure 4 The existing indoor substation with four main transformers is designed according to the State Grid's general design 220-A2-7. The first floor of the distribution equipment building houses the 220 kV gas-insulated substation room, the 110 kV gas-insulated substation room, the 10 kV distribution equipment room, the capacitor room, the reactor room, the main transformer room, and the radiators. The second floor of the distribution equipment building houses the capacitor room, secondary equipment room, etc. However, most of the rooms inside the substation are arranged in parallel, occupying a large area and increasing the difficulty of laying pipelines inside the substation. Utility Model Content
[0004] To overcome the above problems, this utility model proposes a new type of fully indoor substation, which converts some rooms into rooms set up in parallel with the gas-insulated substation, optimizes the structure and functional layout of the power distribution equipment building, improves space utilization, and makes it easier to lay internal pipelines of the substation.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A novel fully indoor substation comprises, from bottom to top, one underground floor, one above-ground floor, and two above-ground floors. The underground floor is a cable layer. Multiple radiators and a main transformer room are located on one side of the substation, while a gas-insulated transformer room is located on the other side. The bottoms of the radiators, main transformer room, and gas-insulated transformer room are all located on the first above-ground floor, and the tops are all located on the second above-ground floor. A power distribution room and a reactive power compensation device area are also located in the middle of the first above-ground floor. A materials room and a secondary equipment room are also located in the middle of the second above-ground floor.
[0007] Furthermore, the reactive power compensation device area includes a reactor room, a control room, and a capacitor room, all of which are laterally adjacent to the gas-insulated substation.
[0008] Furthermore, multiple hoisting platforms are provided around the control room.
[0009] Furthermore, the control room is a high-voltage dynamic reactive power compensation control room.
[0010] Furthermore, the materials room includes a tool room, a data room, a flood control equipment room, and an emergency operation room.
[0011] Furthermore, a smoke exhaust fan room adjacent to the material room is located in the middle of the second floor above ground.
[0012] Furthermore, a battery room adjacent to the secondary equipment room is provided in the middle of the second floor above ground.
[0013] Furthermore, a 110 kV gas-insulated substation and a 220 kV gas-insulated substation are arranged in parallel inside the gas-insulated substation.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] 1. This utility model changes some rooms to be set up in parallel with the gas-insulated substation, which optimizes the structure and functional layout of the power distribution equipment building, improves the space utilization rate, and makes it easier to lay internal pipelines of the substation.
[0016] 2. This utility model changes the location of the reactive power compensation device area from being parallel to the main transformer room to being parallel to the control room, so as to further optimize the structure of the substation and achieve the effect of saving space and facilitating pipeline planning. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the above-ground single-story structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the above-ground two-story structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the ground floor structure of an existing fully indoor substation.
[0020] Figure 4 This is a schematic diagram of the existing two-story above-ground structure of a fully indoor substation;
[0021] Explanation of reference numerals in the attached figures:
[0022] 1. Radiator; 2. Main transformer room; 3. Power distribution equipment room; 4. Reactor room; 5. Control room; 6. Substation room; 7. Capacitor room; 8. Smoke exhaust fan room; 9. Material room; 10. Secondary equipment room; 11. Battery room; 12. Lifting platform. Detailed Implementation
[0023] Please see Figures 1-4The novel indoor substation of this embodiment includes, from bottom to top, one underground floor, one above-ground floor, and two above-ground floors. The underground floor is a cable layer. Multiple radiators 1 and a main transformer room 2 are installed on one side of the substation. A gas-insulated transformer room 6 is installed on the other side of the substation. The bottoms of the radiators 1, the main transformer room 2, and the gas-insulated transformer room 6 are all located in the first above-ground floor, and the tops are all located in the second above-ground floor. A power distribution room 3 and a reactive power compensation device area are also installed in the middle of the first above-ground floor. A material room 9 and a secondary equipment room 10 are also installed in the middle of the second above-ground floor.
[0024] This utility model changes some rooms to be set up side by side with the gas-insulated substation 6 (i.e., GIS room), which optimizes the structure and functional layout of the power distribution equipment building, improves space utilization, and makes it easier to lay internal pipelines of the substation. Since the cable layer is set on the first basement floor, optimizing the area of the gas-insulated substation 6 helps to reduce the area of the underground cable layer, reduce the project cost, and the building axis specifications of this scheme are fewer, which helps to reduce the size specifications of the frame beams and improve construction efficiency.
[0025] Furthermore, the reactive power compensation device area includes reactor room 4, control room 5 and capacitor room 7, which are all arranged laterally adjacent to gas-insulated substation room 6.
[0026] After adjusting the structure of the gas-insulated substation 6, there will be more space around the gas-insulated substation 6. Therefore, the position of the reactive power compensation device area will be changed from being parallel to the main transformer room 2 to being parallel to the control room 5, so as to further optimize the structure of the substation and achieve the effect of saving space and facilitating pipeline planning.
[0027] Furthermore, multiple hoisting platforms 12 are installed around the control room 5.
[0028] To facilitate the installation and maintenance of control room 5, multiple hoisting platforms 12 are installed in control room 5.
[0029] Furthermore, control room 5 is a high-voltage dynamic reactive power compensation control room.
[0030] Control room 5 is the high-voltage dynamic reactive power compensation control room, also known as the SVG room.
[0031] Furthermore, Materials Room 9 includes a tool room, a data room, a flood control equipment room, and an emergency operation room.
[0032] Furthermore, a smoke exhaust fan room 8, adjacent to the material room 9, is located in the middle of the second floor above ground.
[0033] Furthermore, a battery room 11 is located in the middle of the second floor above ground, adjacent to the secondary equipment room 10.
[0034] Furthermore, a 110 kV gas-insulated substation and a 220 kV gas-insulated substation are arranged in parallel inside the gas-insulated substation 6.
[0035] The 220kV gas-insulated substation (i.e., the 220kV GIS distribution equipment area) and the 110kV gas-insulated substation (i.e., the 110kV GIS distribution equipment area) are arranged face-to-face and share the main passage. In actual construction, the longitudinal dimensions of the gas-insulated substation room 6 were adjusted from 13 meters and 11 meters to 13 meters and 9 meters, an optimization of 2 meters. At the same time, the building's long side dimension was optimized from 96 meters to 76 meters. The building layout is more square, and the footprint is smaller, with a reduction of 72 square meters. This makes it suitable for indoor substation layouts in urban areas where land is scarce.
[0036] The method of using this utility model is as follows:
[0037] By relocating some rooms to be set up alongside the gas-insulated substation 6 (i.e., the GIS room), and adjusting the structure of the gas-insulated substation 6, more space will be available around it. Therefore, the location of the reactive power compensation device area will be changed from being alongside the main transformer room 2 to being alongside the control room 5. This optimizes the structure and functional layout of the power distribution building. The 220kV gas-insulated substation (i.e., the 220kV GIS power distribution area) and the 110kV gas-insulated substation (i.e., the 110kV GIS power distribution area) are arranged face-to-face and share the main passage. Since a cable layer is set up on the first basement level, optimizing the area of the gas-insulated substation 6 helps to reduce the area of the underground cable layer, reduce the project cost, and the building axis specifications are fewer, which helps to reduce the size specifications of the frame beams and improve construction efficiency.
[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A novel indoor substation, comprising, from bottom to top, one underground floor, one above-ground floor, and two above-ground floors, wherein the underground floor is a cable layer, multiple radiators (1) and a main transformer room (2) are installed on one side of the substation, and a gas-insulated transformer room (6) is installed on the other side of the substation, wherein the bottoms of the radiators (1), the main transformer room (2), and the gas-insulated transformer room (6) are all located on the first above-ground floor, and the tops of all are located on the second above-ground floor, characterized in that, The middle of the first floor also has a power distribution room (3) and a reactive power compensation device area; the middle of the second floor also has a material room (9) and a secondary equipment room (10).
2. The novel indoor substation according to claim 1, characterized in that, The reactive power compensation device area includes a reactor room (4), a control room (5), and a capacitor room (7). The reactor room (4), the control room (5), and the capacitor room (7) are all arranged laterally adjacent to the gas-insulated substation (6).
3. A novel fully indoor substation according to claim 2, characterized in that, Multiple hoisting platforms (12) are provided around the control room (5).
4. A novel fully indoor substation according to claim 2, characterized in that, The control room (5) is a high-voltage dynamic reactive power compensation control room.
5. A novel indoor substation according to claim 1, characterized in that, The materials room (9) includes a tool room, a data room, a flood control equipment room, and an emergency operation room.
6. A novel fully indoor substation according to claim 1, characterized in that, A smoke exhaust fan room (8) is located in the middle of the second floor above ground, adjacent to the material room (9).
7. A novel fully indoor substation according to claim 1, characterized in that, A battery room (11) adjacent to the secondary equipment room (10) is located in the middle of the second floor above ground.
8. A novel fully indoor substation according to claim 1, characterized in that, The gas-insulated substation (6) is equipped with a 110 kV gas-insulated substation and a 220 kV gas-insulated substation arranged in parallel inside.