CN217427462U - Single main transformer offshore booster station with radiators arranged in staggered layers - Google Patents
Single main transformer offshore booster station with radiators arranged in staggered layers Download PDFInfo
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- CN217427462U CN217427462U CN202220422457.1U CN202220422457U CN217427462U CN 217427462 U CN217427462 U CN 217427462U CN 202220422457 U CN202220422457 U CN 202220422457U CN 217427462 U CN217427462 U CN 217427462U
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Abstract
The utility model provides a marine booster station of single main transformer that radiator staggered floor arranged, marine booster station arrange according to the three-layer, mainly include main transformer, 220kV distribution device, middling pressure distribution device and auxiliary production room. The utility model arranges the main transformer radiators on three layers of the booster station platform in a staggered manner, uses the space below the radiators on two layers for arranging the medium-voltage distribution device, and fully utilizes the overhead area of the three-layer radiators which can not be utilized in the traditional scheme; the 220kV GIS room is arranged on the three-layer deck, so that the space occupying two and three layers of general height originally is optimized, and the convenience of equipment hoisting and maintenance is ensured; and reasonably arranging other rooms on each layer of the offshore booster station according to functions. The utility model discloses make full use of traditional marine booster station arranges the redundant space in the scheme, has improved marine booster station space utilization, and then realizes the optimization of marine booster station overall dimension and weight.
Description
Technical Field
The utility model belongs to the technical field of offshore wind power generation, especially, relate to a single main marine booster station that becomes that radiator staggered floor arranged.
Background
Offshore wind power is used as a green energy with large potential, long industrial chain and advanced technology, and has increasingly wide and profound influence on global energy transformation, economic development and the like. In recent years, with the progress of technology and the reduction of cost, the global offshore wind power market scale is expanding rapidly. Offshore wind power is taken as a high point for developing green energy technology in China, and will be rapidly developed. Wind power in China rapidly develops at the annual growth rate of 20%, and the accumulated installed capacity exceeds 210 GW. The total offshore wind power storage in China is about 750GW, the grid-connected capacity is about 899 ten thousand kW by the end of 2020, the first three in the world are ascending, and the newly increased installed capacity is the first in the world in two continuous years.
Meanwhile, with the arrival of the offshore wind power subsidy and price-balancing times after 2021, the offshore wind power also faces greater pressure on investment, operation and maintenance costs, so that the cost pressure is relieved, the cost reduction potential is excavated, and the offshore wind power subsidy is a decisive factor for improving the future competitiveness of the offshore wind power. The offshore booster station is used as an important ring of offshore wind power engineering, and a more competitive offshore booster station solution is also explored along with the requirement of offshore wind power development of a new era.
The investment and construction cost of the offshore booster station mainly comes from equipment cost and construction cost, at present, two main transformers are arranged in the conventional offshore booster station, and a relatively complex power distribution device and an auxiliary system are correspondingly arranged, so that the booster station is complex in structure, heavy in weight, high in construction difficulty and relatively high in investment and construction cost. Under the requirement of cost reduction and efficiency improvement in the offshore wind power fair era, the offshore booster station equipment is simplified, the weight of the offshore booster station is reduced, and therefore the offshore booster station construction cost is effectively reduced. On one hand, the traditional offshore booster station has a certain condition of low space utilization rate; on the other hand, with the progress of technology and the innovation of equipment, the offshore booster station continues to be simplified and light.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a single main marine booster station that becomes that radiator staggered floor arranged in order to satisfy the needs of deep sea offshore wind power engineering.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a marine booster station of single main change that radiator staggered floor arranged which characterized in that: the single-main-transformer offshore booster station with the radiators arranged in staggered layers is provided with a three-layer structure of a first layer, a second layer and a third layer from bottom to top, and comprises a main transformer, a 220kV power distribution device, a medium-voltage power distribution device and an auxiliary production room;
the offshore booster station is provided with a single large-capacity main transformer, the main transformer is arranged in a main transformer chamber in the middle of the second layer of the offshore booster station, and the main transformer chamber occupies the second and third through-height; a main transformer radiator is arranged near the outer side of the main transformer, and the main transformer radiator is arranged on the three-layer outdoor platform on the east side of the main transformer chamber in a staggered manner;
normally, the main transformer radiator and the main transformer are arranged on the same layer platform, and the staggered layer means that the main transformer and the main transformer radiator are respectively arranged on different layer platforms of the offshore booster station flat fill.
The two-layer space below the main transformer radiator is used as a switch chamber, and the switch chamber is used for arranging a medium-voltage distribution device;
the 220kV power distribution device is arranged in a power distribution room on the west side of the middle of the three layers of the offshore booster station;
the high-voltage side of the main transformer is connected with a 220kV power distribution device through a 220kV power cable, and the low-voltage side of the main transformer is connected with a medium-voltage power distribution device through a power cable.
When adopting above-mentioned technical scheme, the utility model discloses can also adopt or make up and adopt following technical scheme:
as the utility model discloses a preferred technical scheme: the floor height of the distribution room for arranging the 220kV distribution device is slightly higher than that of the three other rooms and protrudes out of the roof platform.
As the utility model discloses an preferred technical scheme: the main transformer is a common transformer with three phases, copper coils, on-load voltage regulation, natural oil circulation cooling, low-voltage double splitting and oil immersion.
As the utility model discloses a preferred technical scheme: the high-voltage side neutral point of the main transformer is directly grounded.
As the utility model discloses a preferred technical scheme: and the low-voltage side neutral point of the main transformer is grounded through a small resistor.
As the utility model discloses an preferred technical scheme: the 220kV power distribution device is a 220kV GIS and adopts 1-in and 1-out transformer line group wiring.
As the utility model discloses a preferred technical scheme: the medium voltage distribution device is a 35kV switch cabinet or a 66kV GIS;
when the medium voltage distribution device is a 35kV switch cabinet, two groups of single bus connection wires are adopted;
when the medium voltage distribution device is a 66kV GIS, a group of single bus wiring is adopted.
As the utility model discloses a preferred technical scheme: the auxiliary production room comprises a grounding and dual-purpose station-changing room, a low-voltage distribution room, an emergency distribution room, a diesel generator room, a relay protection room, a secondary equipment room, a storage battery room, a water pump room, a temporary rest room, a heating and ventilation machine room and an oil tank room;
rationally arrange at marine booster station each layer according to the function, wherein:
the first layer is provided with a storage battery chamber, a water pump room, a temporary rest room and an oil tank room, and is intensively arranged in the middle of the first layer of platform;
the second layer is provided with a grounding and station-compatible transformer room, a low-voltage distribution room, an emergency distribution room and a communication relay protection room, and is arranged on the west side of the second layer platform;
the three layers are provided with a heating and ventilation machine room, a diesel generator room and a secondary equipment room and are arranged on the west side and the south side of the three-layer platform.
As the utility model discloses a preferred technical scheme: and a power distribution room for arranging the 220kV power distribution device is arranged between the secondary devices on the three layers and is used for arranging a control protection screen cabinet related to the 220kV power distribution device.
As the utility model discloses a preferred technical scheme: and the upper part of the main transformer chamber positioned on the three layers is hollowed to form an inspection channel so as to facilitate the passing and inspection of operation and maintenance personnel.
The utility model provides a marine booster station of single main transformer that radiator staggered floor arranged, marine booster station arrange according to the three-layer, mainly include main transformer, 220kV distribution device, middling pressure distribution device and auxiliary production room. The utility model arranges the main transformer radiators on the three layers of the booster station platform in a staggered manner, and uses the two layers of space below the radiators for arranging the medium-voltage distribution device, thereby fully utilizing the overhead area of the three-layer radiators which can not be utilized in the traditional scheme; the 220kV GIS room is arranged on the three-layer deck, so that the space occupying two and three layers of general height originally is optimized, and the convenience of equipment hoisting and maintenance is ensured; and reasonably arranging other rooms on each layer of the offshore booster station according to functions. Specifically, the following beneficial effects are achieved:
1) the utility model discloses arrange the staggered floor of main transformer radiator at the booster station platform three-layer to be used for arranging middling pressure distribution device with two layers of spaces in radiator below, with the regional make full use of in the overhead of the unable three-layer radiator that utilizes in the traditional scheme.
2) The utility model discloses fully consider 220kV GIS equipment height, arrange 220kV GIS room in the three-layer deck, optimized and taken up two three-layer lead to high space originally, guaranteed the convenience that equipment hoist and mount overhauld simultaneously.
3) The utility model discloses break through relevant standard's restriction, retrencied marine booster station configuration, mainly include: the heating ventilation air-conditioning system is not considered for standby; the main transformer room and the GIS room are free of a positive pressure air supply system and the like, so that the sizes of the rooms related to heating and ventilation are optimized, the electric load of the station is reduced, and the configuration of the electric system of the station is optimized.
4) And on the whole, the utility model discloses make full use of traditional marine booster station arranges the redundant space in the scheme, has improved marine booster station space utilization, and then realizes the optimization of marine booster station overall dimension and weight. Compared with the traditional offshore booster station with the same capacity, the utility model reduces the area of the offshore booster station with the single main transformer with the staggered arrangement of the radiators by about 40 percent, and reduces the weight by about 30 percent; compare in single main marine booster station of configuration of primary generation, the utility model provides a single main marine booster station area that becomes of radiator staggered floor arrangement reduces about 20%, and weight reduction is about 10%, effectively reduces marine booster station investment construction expense.
Drawings
Fig. 1 is a one-layer plane layout diagram of a single main transformer offshore booster station with radiators arranged in staggered layers according to the present invention;
fig. 2 is a two-layer plane layout diagram of the single main transformer offshore booster station with radiators arranged in staggered layers according to the present invention;
fig. 3 is a three-layer plane layout diagram of the single main transformer offshore booster station with radiators arranged in staggered layers according to the present invention;
fig. 4 is an elevation view of the single main transformer offshore booster station with radiators arranged in staggered layers.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
as shown in FIGS. 1-4, the embodiment of the utility model provides a marine booster station of single main transformer configuration arranges according to the three-layer, mainly includes main transformer, 220kV distribution device, 35kV distribution device and auxiliary production room 400.
The offshore booster station is provided with a single large-capacity main transformer, a main transformer body 110 is arranged in a main transformer chamber 100 on the east side of the middle part of the second layer of the booster station, and the main transformer chamber 100 occupies the second and third through heights; main transformer radiator 120 staggered floor arranges in the outdoor platform of main transformer room 100 third floor east, and radiator 120 below second floor space is used for arranging 35kV distribution device as switch room 300.
The 220kV power distribution device is a 220kV GIS 220 and is arranged in a GIS room 200 on the west side of the middle of the three layers of the booster station, and the height of the GIS room layer is slightly higher than that of other rooms on the three layers and protrudes out of a roof platform.
The auxiliary production room 400 comprises a grounding and station-compatible transformer room 410, a low-voltage distribution room 420, an emergency distribution room 430, a relay protection room 440, a heating and ventilating machine room 450, a diesel generator room 460, a secondary equipment room 470, a water pump room 480, a storage battery room 490, a temporary rest room 500, an oil tank room 510 and a 220kV cable shaft 520, and is reasonably arranged on each layer of the offshore booster station according to functions. In this embodiment, the overall size of the offshore booster station configured with a single main transformer is 35m × 15m × 16m (length × width × height).
The utility model discloses a marine booster station sets up to multi-storey building, is the distance between floor to the floor from the lower floor height. The height of one layer is 6m, the height of the two layers and the height of the three layers are both 5m, wherein the main transformer chamber 100 is set to be two-layer and three-layer through height, and the height of the three layers of GIS chambers 200 is 6.5m and protrudes out of the roof platform. And the top of the main transformer chamber 100, the GIS chamber 200 and the diesel generator chamber 460 is provided with an access hole, so that the crane can be hung in and out large-scale equipment from the roof when being convenient for installation and maintenance.
One layer is used as a cable layer and a structural conversion layer, main cable channels, escape and rescue facilities and partial auxiliary production rooms 400 are arranged, the auxiliary production rooms comprise a water pump room 480, a storage battery room 490, a temporary rest room 500 and an oil tank room 510, the height of the auxiliary production room 400 in one layer is 3m, and a 3m clearance is reserved above the auxiliary production room as the main cable channels.
A main transformer main body 110 is arranged on the east side of the middle part of the second layer and is arranged in a main transformer chamber 100 on the east side of the middle part of the second layer of the booster station, and the main transformer chamber 100 occupies the second layer and the third layer of the through height; the main transformer radiator 120 is arranged on the three-layer outdoor platform on the east side of the main transformer chamber in a staggered mode, and the two-layer space below the radiator is used as a switch chamber 300 for arranging the medium-voltage distribution device 320. The main transformer is a common three-phase, copper coil, on-load voltage regulation, natural oil circulation cooling, low-voltage double-splitting and oil-immersed transformer. The high-voltage side of the main transformer is connected with a 220kV GIS 220 through a 220kV power cable, and the low-voltage side of the main transformer is connected with a medium-voltage distribution device through a power cable. The high-voltage side neutral point of the main transformer adopts a direct grounding mode, and the low-voltage side neutral point of the main transformer adopts a small-resistance grounding mode.
The 220kV power distribution device is a 220kV GIS 220, a 1-in 1-out transformer line group connection line is adopted and is arranged in a 220kV GIS room 200, and the 220kV GIS room 200 is arranged on the west side of the middle of the three layers. Cable outgoing lines are adopted at two ends of the 220kV GIS 220, and the cables are laid to the high-voltage side of the main transformer through a 220kV cable shaft 520.
The switch room 300 is arranged below a main transformer radiator, the medium voltage distribution device is a 35kV switch cabinet 320, and two groups of single bus connection wires are adopted.
The two-storey lateriform side is provided with a plurality of production auxiliary rooms 400, including a transformer room 410 for a grounding transformer and station, a low-voltage distribution room 420, an emergency distribution room 430, a relay protection room 440 and a 220kV cable shaft 520. The grounding and station-combining transformer room 410 is provided with two grounding and station-combining transformers 411 and two small resistor cabinets 412; the low-voltage distribution room 420 and the emergency distribution room 430 are provided with low-voltage distribution cabinets 422, and the grounding transformer 411 and the low-voltage distribution cabinets 422 are connected by cables; the emergency distribution room 430 is arranged below the diesel generator room 460, so that low-voltage cable wiring is facilitated. 220kV cable shaft 520 is located GIS cable sleeve below, makes things convenient for high tension cable to lay.
The three-layer westerly side is provided with a heating and ventilating machine room 450, a diesel generator room 460 and a secondary equipment room 470. Wherein, the secondary equipment room 470 is close to the 220kV GIS room 200 and is used for arranging the 220kV GIS 220 related control protection screen cabinet. The upper part of the three-layer east-side main transformer chamber is hollowed to form a patrol passage, so that operation and maintenance personnel can conveniently pass and overhaul.
The utility model provides a marine booster station of single main transformer configuration has retrencied marine booster station configuration, has optimized marine booster station and has arranged, has reduced marine booster station's size and weight (size 35m x 15m x 16m, weight about 1950 t). As a comparison, the size of the conventional offshore booster station with the same capacity is 35m × 26 m × 16m, and the weight is about 2800 t, the area of the offshore booster station configured by the single main transformer provided by the utility model is reduced by about 40%, and the weight is reduced by about 30%; the marine booster station size of single main transformer configuration of first generation is 34 m 20 m 16m, and weight is about 2200 t, but the capacity only does the utility model discloses marine booster station's 75%, the utility model discloses the area reduces about 20%, and weight reduction is about 10%. In conclusion, the technical scheme effectively reduces the investment and construction cost of the offshore booster station and the construction time of the compression project, and has remarkable comprehensive benefits.
The utility model discloses the principle and the implementation mode of the utility model are explained by applying the concrete examples, and the explanation of the above examples is only used for helping to understand the method and the core idea of the utility model; this summary should not be construed as limiting the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. The utility model provides a marine booster station of single main change that radiator staggered floor arranged which characterized in that: the single-main-transformer offshore booster station with the radiators arranged in staggered layers is provided with a three-layer structure of a first layer, a second layer and a third layer from bottom to top, and comprises a main transformer, a 220kV power distribution device, a medium-voltage power distribution device and an auxiliary production room;
the offshore booster station is provided with a single large-capacity main transformer, the main transformer is arranged in a main transformer chamber in the middle of the second layer of the offshore booster station, and the main transformer chamber occupies the second and third through-height; a main transformer radiator is arranged near the outer side of the main transformer, and the main transformer radiator is arranged on the three-layer outdoor platform on the east side of the main transformer chamber in a staggered manner;
the two-layer space below the main transformer radiator is used as a switch chamber, and the switch chamber is used for arranging a medium-voltage distribution device;
the 220kV power distribution device is arranged in a power distribution room on the west side of the middle of the three layers of the offshore booster station;
the high-voltage side of the main transformer is connected with a 220kV power distribution device through a 220kV power cable, and the low-voltage side of the main transformer is connected with a medium-voltage power distribution device through a power cable.
2. The single main transformer offshore booster station with heat sinks arranged in staggered layers according to claim 1, wherein: the floor height of the distribution room for arranging the 220kV distribution device is slightly higher than that of the three other rooms and protrudes out of the roof platform.
3. The single main transformer offshore booster station with heat sinks arranged in staggered layers according to claim 1, wherein: the main transformer is a common transformer with three phases, copper coils, on-load voltage regulation, natural oil circulation cooling, low-voltage double splitting and oil immersion.
4. The single main transformer offshore booster station with heat sinks arranged in staggered layers according to claim 1, wherein: the high-voltage side neutral point of the main transformer is directly grounded.
5. The single main transformer offshore booster station with heat sinks arranged in staggered layers according to claim 1, wherein: and the low-voltage side neutral point of the main transformer is grounded through a small resistor.
6. The single main transformer offshore booster station with heat sinks arranged in staggered layers according to claim 1, wherein: the 220kV power distribution device is a 220kV GIS and adopts 1-in and 1-out transformer line group wiring.
7. The single main transformer offshore booster station with heat sinks arranged in staggered layers according to claim 1, wherein: the medium voltage distribution device is a 35kV switch cabinet or a 66kV GIS;
when the medium voltage distribution device is a 35kV switch cabinet, two groups of single bus connection wires are adopted;
when the medium voltage distribution device is a 66kV GIS, a group of single bus wiring is adopted.
8. The single main transformer offshore booster station with heat sinks arranged in staggered layers according to claim 1, wherein: the auxiliary production room comprises a grounding and dual-purpose station-changing room, a low-voltage distribution room, an emergency distribution room, a diesel generator room, a relay protection room, a secondary equipment room, a storage battery room, a water pump room, a temporary rest room, a heating and ventilation machine room and an oil tank room;
rationally arrange at marine booster station each layer according to the function, wherein:
the first layer is provided with a storage battery chamber, a water pump room, a temporary rest room and an oil tank room, and is intensively arranged in the middle of the first layer of platform;
the second layer is provided with a grounding transformer and station transformer room, a low-voltage distribution room, an emergency distribution room and a communication relay protection room, and is arranged on the west side of the second layer platform;
the three layers are provided with a heating and ventilating machine room, a diesel generator room and a secondary equipment room, and are arranged on the west side and the south side of the three-layer platform.
9. The single main transformer offshore booster station with heat sinks arranged in staggered layers according to claim 1, wherein: and a power distribution room for arranging the 220kV power distribution device is arranged between the secondary devices on the three layers and is used for arranging a control protection screen cabinet related to the 220kV power distribution device.
10. The single main transformer offshore booster station with heat sinks arranged in staggered layers according to claim 1, wherein: and the upper part of the main transformer chamber positioned on the three layers is hollowed to form an inspection channel so as to facilitate the passing and inspection of operation and maintenance personnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220422457.1U CN217427462U (en) | 2022-02-28 | 2022-02-28 | Single main transformer offshore booster station with radiators arranged in staggered layers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220422457.1U CN217427462U (en) | 2022-02-28 | 2022-02-28 | Single main transformer offshore booster station with radiators arranged in staggered layers |
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| Publication Number | Publication Date |
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| CN217427462U true CN217427462U (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220422457.1U Active CN217427462U (en) | 2022-02-28 | 2022-02-28 | Single main transformer offshore booster station with radiators arranged in staggered layers |
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| CN (1) | CN217427462U (en) |
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2022
- 2022-02-28 CN CN202220422457.1U patent/CN217427462U/en active Active
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