CN217427460U - Double-main-transformer medium-sized offshore booster station with radiators arranged in staggered layers - Google Patents
Double-main-transformer medium-sized offshore booster station with radiators arranged in staggered layers Download PDFInfo
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- CN217427460U CN217427460U CN202220413074.8U CN202220413074U CN217427460U CN 217427460 U CN217427460 U CN 217427460U CN 202220413074 U CN202220413074 U CN 202220413074U CN 217427460 U CN217427460 U CN 217427460U
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Abstract
The utility model provides a two main medium-sized marine booster stations that become of radiator staggered floor arrangement, marine booster station arrange according to the three-layer, mainly include two main transformers, 220kV distribution device, 66kV distribution device and auxiliary production room. The utility model arranges the main transformer on the second layer of the booster station platform, arranges the main transformer radiator on the third layer of the platform in a staggered way, and uses the space of the second layer below the radiator for arranging other production rooms; arrange 220kV GIS room in the three-layer, optimized and originally occupied two three layers and led to the high space, guaranteed the convenience of equipment hoist and mount maintenance simultaneously. The utility model discloses an adopt above-mentioned compactization to arrange the scheme, satisfying under the prerequisite that medium-sized scale offshore wind power engineering sent out needs, improved marine booster station's space utilization, optimized its overall dimension and weight, will effectively reduce marine booster station investment construction cost, compression engineering construction time, the comprehensive benefits is showing.
Description
Technical Field
The utility model belongs to the technical field of offshore wind power generation, especially, relate to a two main medium-sized marine booster stations that become of radiator staggered floor arrangement.
Background
Currently, to cope with the dual challenges of global climate change and deterioration of ecological environment, the vigorous development of clean renewable energy has become a necessary trend of energy development of countries in the world. Wind power resources are renewable energy sources with the most commercial and large-scale development conditions, and have very advanced technology and large market scale at home and abroad. Compared with land wind power, offshore wind power has the advantages of high electricity generation utilization hours, no occupation of land resources, proximity to a load center and the like.
China is one of the main advocated countries for developing green energy sources worldwide, and the development and utilization of offshore wind power are greatly concerned and emphasized. By the 9 th month of 2021, the total installed capacity of offshore wind power in China reaches 1319 thousands kW, and the device occupies the first place of the world. With the continuous enlargement of the scale of the offshore wind power installation in China, the reduction of equipment and installation cost and the gradual maturity of the supporting industry, the offshore wind power industry will continue to develop steadily.
Meanwhile, with the new stage that the offshore wind power development in China enters the centralized continuous scale development and the arrival of the era of low price surfing in 2021 years later, the technical scheme sent by the medium-scale offshore wind power engineering is explored, the method for reducing the engineering construction investment cost is researched, and the method has very important practical significance for the offshore wind power development. The offshore booster station is an important ring in offshore wind power projects, and a solution for the offshore booster station which meets the delivery requirement of medium-scale offshore wind power projects and has stronger economic competitiveness is necessary to be explored.
In addition, with the improvement of offshore wind power related technologies and the innovation of equipment, the offshore booster station is arranged compactly, the space utilization rate of the booster station is improved and the size and the weight of a platform are reduced by optimizing aspects of model selection, space arrangement, connection modes and the like of electrical equipment, so that the construction investment cost of the offshore booster station is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two main medium-sized marine booster stations that become of radiator staggered floor arrangement 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 two main medium-sized marine booster stations that become of radiator staggered floor arrangement which characterized in that: the double-main-transformer medium-sized 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 two main transformers, a 220kV power distribution device, a 66kV power distribution device and an auxiliary production room;
the two main transformers are respectively arranged in two main transformer chambers at the center of the second layer of the offshore booster station, and the two main transformer chambers occupy the second layer and the second layer of the booster station; a first main transformer radiator and a second main transformer radiator are respectively arranged near the outer sides of the two main transformers, and the first main transformer radiator and the second main transformer radiator are respectively arranged on the outdoor platform on the west side and the east side of the three layers in a staggered manner;
generally, the transformer or high impedance body and the heat sink are arranged on the same layer platform, and the staggered layer refers to that the transformer or high impedance body and the heat sink are respectively arranged on different layer platforms of the booster station platform.
Two layers of spaces below the first main transformer radiator and the second main transformer radiator are used as switch chambers, and the switch chambers are used for arranging 66kV power distribution devices;
the 220kV power distribution device is arranged in a power distribution room on the three-layer north side of the offshore booster station;
the high-voltage sides of the two main transformers are connected with the corresponding 220kV power distribution device through power cables, and the low-voltage sides of the two main transformers are connected with the 66kV power distribution device through the power cables.
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 a preferred technical scheme: the two main transformers are three-phase, copper coil, on-load voltage regulation, natural oil circulation cooling, low-voltage double-splitting and oil-immersed ordinary transformers.
As the utility model discloses an preferred technical scheme: the high-voltage side neutral points of the two main transformers are directly grounded.
As the utility model discloses a preferred technical scheme: the low-voltage side neutral points of the two main transformers are grounded through small resistors.
As the utility model discloses an preferred technical scheme: the 220kV power distribution devices are two groups of 220kV GIS, and one-in one-out transformer line group unit wiring is adopted.
As the utility model discloses a preferred technical scheme: the 66kV power distribution device is a 66kV GIS and adopts single-bus sectional wiring.
As the utility model discloses a preferred technical scheme: the auxiliary production room comprises two 66kV grounding transformer and station transformer rooms, two relay protection rooms, two resistor cabinet rooms, a low-voltage distribution room, an emergency distribution room, a diesel generator room, a ventilator room, a storage battery room, a water pump room, a temporary rest room, a diesel tank room, an accident oil tank room and a tool room;
rationally arrange at marine booster station each layer according to the function, wherein:
the first floor is provided with a temporary rest room, a diesel tank room and an accident oil tank room which are intensively arranged at the middle position of the north part of the first floor platform;
the second layer is provided with two transformer chambers for 66kV grounding transformer and station, a relay protection chamber, a low-voltage distribution chamber, an emergency distribution chamber, a storage battery chamber and a water pump room;
the three layers are provided with two resistor cabinet chambers, a relay protection chamber, a diesel generator chamber, a ventilator chamber and a tool chamber.
As the utility model discloses a preferred technical scheme: the relay protection rooms on the three layers are next to the power distribution room where the 220kV power distribution device is arranged, and the relay protection rooms are used for arranging control protection screen cabinets related to the 220kV power distribution device.
As the utility model discloses a preferred technical scheme: the upper parts of the main transformer chambers in the two layers are respectively provided with an inspection channel for facilitating the passage and inspection of operation and maintenance personnel.
The utility model provides a two main medium-sized marine booster stations that become of radiator staggered floor arrangement has following beneficial effect:
1) the utility model discloses arrange two main transformer radiator staggered floor at the booster station platform three-layer to be used for arranging 66kV 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) And on the whole, the utility model provides a satisfy marine wind power engineering of medium-scale and see off marine booster station of needs to through the staggered floor of main transformer radiator and the optimal distribution in booster station space, improved the space utilization of marine booster station, optimized its whole size and weight, realized that the compactization of marine booster station is arranged, will effectively reduce marine booster station investment construction expense.
Drawings
Fig. 1 is the utility model provides a plane layout of one deck of two main change medium-sized marine booster stations that radiator staggered floor arranged.
Fig. 2 is the utility model provides a two-layer plane layout of two main change medium-sized marine booster stations of radiator staggered floor arrangement.
Fig. 3 is the utility model provides a three-layer plane layout of two main medium-sized marine booster stations that become of radiator staggered floor arrangement.
Fig. 4 is the a-a sectional view of the double main transformer medium-sized marine booster station with radiators arranged in staggered layers provided by the utility model.
Fig. 5 is a B-B cross-sectional view of the double-main-transformer medium-sized marine booster station with the radiators arranged in staggered layers according to the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
as shown in FIGS. 1-3, the embodiment of the utility model provides a pair of main medium-sized marine booster stations that become of radiator staggered floor arrangement arranges according to the three-layer, mainly includes two main transformers, 220kV distribution device, 66kV distribution device and auxiliary production room 400. The medium-sized offshore booster station is provided with two main transformers, wherein a 1# main transformer 111 is arranged in a 1# main transformer chamber 110 on the west side of the middle of the second layer of the booster station, a 2# main transformer 121 is arranged in a 2# main transformer chamber 120 on the east side of the middle of the second layer of the booster station, and the two main transformer chambers 110 and 120 occupy two-layer and three-layer through heights; the staggered arrangement of the 1# main transformer radiator 112 on the west side three-layer outdoor platform of the 1# main transformer chamber 110, the two-layer space below the radiator 112 as a switch chamber 310 is used for arranging 66kV power distribution devices, the staggered arrangement of the 2# main transformer radiator 122 on the east side three-layer outdoor platform of the 2# main transformer chamber 120 is used for arranging 66kV power distribution devices, and the two-layer space below the radiator 122 as a switch chamber 320 is used for arranging 66kV power distribution devices. The 220kV power distribution devices are 220kV GIS 210 and 220, and are arranged in GIS rooms 200 on the east side of the north of the three layers of the booster station, and the height of the GIS room 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 grounding and station-combining transformer rooms 410 and 420, a low-voltage distribution room 430, an emergency distribution room 440, relay protection rooms 450 and 460, resistor cabinet rooms 470 and 480, a ventilator room 490, a diesel generator room 500, a water pump room 510, a storage battery room 520, a temporary rest room 530, a diesel tank room 540, an accident oil tank room 550, a 220kV cable shaft 560 and a tool room 570, and is reasonably arranged on each layer of the offshore booster station according to functions.
In this embodiment, the overall size of the double main transformer medium-sized offshore booster station with radiators arranged in staggered layers is 35 m × 30.8 m × 16 m (length × width × height). The utility model discloses a marine booster station sets up to multi-storey building, and is following the floor is the distance between floor to the floor. The first floor height is 6 m, the second floor height and the third floor height are both 5 m, wherein the main transformer chambers 110 and 120 are set to be two-layer and three-layer through height, and the third floor height of the GIS chamber 200 is 6.5 m and protrudes out of the roof platform. And the top of the main transformer room 110, 120, 220kV GIS room 200 and diesel generator room 600 is provided with access holes, so that the crane can be used for hoisting large-scale equipment into and out of 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 a part of auxiliary production rooms 400 are arranged, the auxiliary production rooms comprise a temporary rest room 530, a diesel tank room 540 and an accident oil tank room 550, the height of the auxiliary production room 500 is 3 m, and a 3 m clearance is reserved above the auxiliary production room and used as the main cable channels.
The west side of the middle of the second floor is provided with a 1# main transformer body 111 on a 1# main transformer chamber 110 on the west side of the middle of the second floor of the booster station, the east side of the middle of the second floor is provided with a 2# main transformer chamber 120 on the east side of the middle of the second floor of the booster station, and the main transformer chambers 110 and 120 occupy two-layer and three-layer open height; the 1# main transformer radiator 121 is arranged on the west three-layer outdoor platform of the 1# main transformer chamber 110 in a staggered mode, the 2# main transformer radiator 122 is arranged on the east three-layer outdoor platform of the 2# main transformer chamber 120 in a staggered mode, and two layers of space below the main transformer radiators 121 and 122 are used as switch chambers 310 and 320 for arranging 66kV power distribution devices. 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 through a 220kV power cable, and the low-voltage side of the main transformer is connected with a 66kV power 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 devices are 220kV GIS 210 and 220, 1-in 1-out transformer line group wiring is adopted, the 220kV GIS room 200 is arranged, and the 220kV GIS room 200 is arranged on the east side of the north of the three layers. The 220kV GIS 210 and 220 adopt cables to be outgoing, and the cables are laid to the high-voltage side of the main transformer through a 220kV cable shaft 560. The switch rooms 310 and 320 are respectively arranged below main transformer radiators 121 and 122, and 66kV power distribution devices are 66kV GIS 311 and 321 and adopt a group of single bus connection.
A plurality of auxiliary production rooms 400 are arranged on the south side and the north side of the second floor, and comprise grounding and station- compatible transformer rooms 410 and 420, a low-voltage distribution room 430, an emergency distribution room 440, a relay protection room 450, a water pump room 510, a storage battery room 520, a 220kV cable shaft 560 and a room. The grounding transformer and station transformer chambers 410 and 420 are respectively provided with a grounding transformer and station transformer 411 and 421; the low-voltage distribution room 430 is provided with a low-voltage distribution cabinet 431; the emergency power distribution room 440 is provided with a low-voltage power distribution cabinet 441, and a grounding transformer and station transformer is connected with the low-voltage power distribution cabinet through a cable; the emergency distribution room 440 is arranged below the diesel generator room 500, and low-voltage cable wiring is facilitated. 220kV cable shaft 560 is located GIS cable sleeve below, makes things convenient for high tension cable to lay.
The three layers are arranged with a relay protection room 460, a ventilator room 490 and a diesel generator room 500 on the north side, and two resistor cabinet rooms 470 and 480 and a tool room 570 on the south side. Wherein, the relay protection room 460 is close to the 220kV GIS room 200 and is used for arranging the 220kV GIS 210 and 220 related control protection screen cabinets; the resistance cabinet chamber 470 is provided with a resistance cabinet 471, and the resistance cabinet chamber 480 is provided with a resistance cabinet 481. The upper part of the three-layer and two-room main transformer chamber is hollowed to form a patrol passage, so that operation and maintenance personnel can conveniently pass and overhaul.
Two main medium-sized marine booster stations that become of radiator staggered floor arrangement, satisfying under the prerequisite that the marine wind-power engineering of medium-sized scale sent out needs, through the staggered floor arrangement of main change radiator and the optimal distribution in booster station space, improved the space utilization of marine booster station, optimized its whole size and weight, realized the compactification of marine booster station and arranged. The size of the booster station platform is 35 m multiplied by 30.8 m multiplied by 16 m, when a main transformer with the capacity of 300 MW is configured, the capacity of the booster station is 600 MW, and the weight is about 3250 t.
In conclusion, the technical scheme can effectively reduce 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 a specific example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help 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 two main medium-sized marine booster stations that become of radiator staggered floor arrangement which characterized in that: the double-main-transformer medium-sized 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 two main transformers, a 220kV power distribution device, a 66kV power distribution device and an auxiliary production room;
the two main transformers are respectively arranged in two main transformer chambers at the center of the second layer of the offshore booster station, and the two main transformer chambers occupy the second layer and the second layer of the booster station; a first main transformer radiator and a second main transformer radiator are respectively arranged near the outer sides of the two main transformers, and the first main transformer radiator and the second main transformer radiator are respectively arranged on the outdoor platform on the west side and the east side of the three layers in a staggered manner;
the two layers of spaces below the first main transformer radiator and the second main transformer radiator are used as switch chambers, and the switch chambers are used for arranging a 66kV power distribution device;
the 220kV power distribution device is arranged in a power distribution room on the three-layer north side of the offshore booster station;
the high-voltage sides of the two main transformers are connected with the corresponding 220kV power distribution device through power cables, and the low-voltage sides of the two main transformers are connected with the 66kV power distribution device through the power cables.
2. The double main transformer medium-sized offshore booster station with heat radiators 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 double main transformer medium-sized offshore booster station with heat radiators arranged in staggered layers according to claim 1, wherein: the two main transformers are three-phase, copper coil, on-load voltage regulation, natural oil circulation cooling, low-voltage double-splitting and oil-immersed ordinary transformers.
4. The double main transformer medium-sized offshore booster station with heat radiators arranged in staggered layers according to claim 1, wherein: the high-voltage side neutral points of the two main transformers are directly grounded.
5. The double main transformer medium-sized offshore booster station with heat radiators arranged in staggered layers according to claim 1, wherein: the low-voltage side neutral points of the two main transformers are grounded through small resistors.
6. The double main transformer medium-sized offshore booster station with heat radiators arranged in staggered layers according to claim 1, wherein: the 220kV power distribution devices are two groups of 220kV GIS, and one-in one-out transformer line group unit wiring is adopted.
7. The double main transformer medium-sized offshore booster station with heat radiators arranged in staggered layers according to claim 1, wherein: the 66kV power distribution device is a 66kV GIS and adopts single-bus sectional wiring.
8. The double main transformer medium-sized offshore booster station with heat radiators arranged in staggered layers according to claim 1, wherein: the auxiliary production room comprises two 66kV grounding transformer and station transformer rooms, two relay protection rooms, two resistor cabinet rooms, a low-voltage distribution room, an emergency distribution room, a diesel generator room, a ventilator room, a storage battery room, a water pump room, a temporary rest room, a diesel tank room, an accident oil tank room and a tool room;
rationally arrange at marine booster station each layer according to the function, wherein:
the first floor is provided with a temporary rest room, a diesel tank room and an accident oil tank room which are arranged in the middle of the north part of the first floor platform in a centralized way;
the second layer is provided with two transformer chambers for 66kV grounding transformer and station, a relay protection chamber, a low-voltage distribution chamber, an emergency distribution chamber, a storage battery chamber and a water pump room;
the three layers are provided with two resistor cabinet chambers, a relay protection chamber, a diesel generator chamber, a ventilator chamber and a tool chamber.
9. The double main transformer medium-sized offshore booster station with heat sinks arranged in staggered layers according to claim 8, wherein: the relay protection rooms on the three layers are next to the power distribution room where the 220kV power distribution device is arranged, and the relay protection rooms are used for arranging control protection screen cabinets related to the 220kV power distribution device.
10. The double main transformer medium-sized offshore booster station with heat radiators arranged in staggered layers according to claim 1, wherein: the upper parts of the main transformer chambers in the two layers are respectively provided with an inspection channel for facilitating the passage and inspection of operation and maintenance personnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220413074.8U CN217427460U (en) | 2022-02-28 | 2022-02-28 | Double-main-transformer medium-sized offshore booster station with radiators arranged in staggered layers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220413074.8U CN217427460U (en) | 2022-02-28 | 2022-02-28 | Double-main-transformer medium-sized offshore booster station with radiators arranged in staggered layers |
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| CN217427460U true CN217427460U (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220413074.8U Active CN217427460U (en) | 2022-02-28 | 2022-02-28 | Double-main-transformer medium-sized offshore booster station with radiators arranged in staggered layers |
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| CN (1) | CN217427460U (en) |
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- 2022-02-28 CN CN202220413074.8U patent/CN217427460U/en active Active
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