CN217427459U - Medium-sized offshore booster station with high resistance and staggered radiators - Google Patents
Medium-sized offshore booster station with high resistance and staggered radiators Download PDFInfo
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- CN217427459U CN217427459U CN202220413070.XU CN202220413070U CN217427459U CN 217427459 U CN217427459 U CN 217427459U CN 202220413070 U CN202220413070 U CN 202220413070U CN 217427459 U CN217427459 U CN 217427459U
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Abstract
本实用新型提供一种散热器错层布置的带高抗的中型海上升压站，包括两台主变压器、两台高压电抗器、220kV配电装置、66kV配电装置和辅助生产房间。本实用新型将主变散热器和高抗散热器错层布置在升压站平台三层，将其下方二层空间用于布置其他生产房间；配置高抗来平衡送出海缆在运行过程中产生的充电功率，提高海缆的输送效率；将220kV GIS室布置于三层甲板，优化了原本占据二、三层通高的空间，同时保证了设备吊装检修的便利性。本实用新型通过采用上述配置方案，实现了海上升压站的紧凑化布置。当本实用新型中单台主变容量为300 MW时，相较传统400 MW海上升压站，可在容量提升50%的情况下，面积减小约15%，重量减轻约8%，将有效降低海上升压站投资建设费用。
The utility model provides a medium-sized offshore booster station with high reactance with radiators arranged in staggered layers, comprising two main transformers, two high-voltage reactors, a 220kV power distribution device, a 66kV power distribution device and an auxiliary production room. In the utility model, the main transformer radiator and the high-resistance radiator are arranged on the third floor of the booster station platform in staggered layers, and the space on the second floor below it is used for arranging other production rooms; The 220kV GIS room is arranged on the third deck, which optimizes the space originally occupied by the second and third floors, and at the same time ensures the convenience of equipment hoisting and maintenance. By adopting the above configuration scheme, the utility model realizes the compact arrangement of the offshore booster station. When the capacity of a single main transformer in the utility model is 300 MW, compared with the traditional 400 MW offshore booster station, the area can be reduced by about 15% and the weight can be reduced by about 8% when the capacity is increased by 50%. Reduce investment and construction costs of offshore booster stations.
Description
Technical Field
The utility model belongs to the technical field of offshore wind power generation, especially, relate to a medium-sized marine booster station of high resistance of taking that radiator staggered floor arranged.
Background
At present, in order to deal with problems of ecological environment, climate change and the like, accelerating the promotion of energy transformation and the vigorous development of green energy become common consensus of countries in the world. Offshore wind power has the advantages of abundant wind power resources, stable power generation, advanced technology and the like, and is one of the main directions of new energy base construction. 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. The method is characterized in that 382 ten thousand kW of offshore wind power installation is newly added in China in 1-9 months in 2021, the accumulated installation reaches 1319 ten thousand kW, and the method is located in the first place of the world.
Meanwhile, with the deep open sea development of offshore wind power in China and the arrival of the era of low price on-line after 2021, the technical scheme delivered by deep open sea high-capacity offshore wind power engineering is explored, and the method for reducing the engineering construction investment cost is researched, so that the method has very important practical significance for the development of deep open sea wind power. The offshore booster station is an important ring in offshore wind power projects, and a solution for the offshore booster station which meets the development requirements of offshore wind power in new times, is higher in capacity and stronger in economic competitiveness is very necessary to explore.
Offshore wind power cross-sea transmission lines are generally submarine cables, and long-route submarine cables generate large charging power during operation, which causes line loss to be increased and occupies line capacity. At present, the technical scheme of configuring a high-voltage reactor in the offshore booster station can be adopted, and the reactive power of the submarine cable is absorbed and sent out through the parallel connection of the high-voltage reactor, so that the utilization rate of the capacity of the submarine cable is improved.
In addition, with the improvement of offshore wind power related technologies and the innovation of equipment, the compact arrangement of the offshore booster station becomes possible, the space utilization rate of the booster station is improved by optimizing the aspects of model selection, space arrangement, connection modes and the like of electrical equipment, the equipment configuration of the booster station is simplified, the size and the weight of a platform are reduced, and therefore 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 medium-sized marine booster station of high reactance of area 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 medium-sized marine booster station of high reactance of taking of radiator staggered floor arrangement which characterized in that: the medium-sized offshore booster station with the high-voltage reactor and 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, two high-voltage reactors, 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 and third through heights; 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 two high-voltage reactors are respectively arranged in two high-resistance chambers on the south side of the second layer of the offshore booster station, and the two high-resistance chambers occupy two-layer and three-layer through heights; a first high-resistance radiator and a second high-resistance radiator are respectively arranged near the outer sides of the two high-voltage reactors, and the first high-resistance radiator and the second high-resistance radiator are respectively arranged on the outdoor platforms of 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.
The two-layer space below the first high-resistance radiator is used as a 66kV grounding transformer substation transformer room and a low-voltage distribution room, and the two-layer space below the second high-resistance radiator is used as a 66kV grounding transformer substation transformer room and a tool room;
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 devices through power cables, and the low-voltage sides of the two main transformers are connected with the 66kV power distribution devices through the power cables;
the two high-voltage reactors are connected in parallel to a 220kV power distribution device through 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 an 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 a preferred technical scheme: the 220kV power distribution device is two groups of 220kV GIS, which adopt one-in one-out transformer line group unit wiring and have high-impedance branches.
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 two high-voltage reactors are parallel high-voltage reactors of 220kV, three phases, copper coils, oil immersion type, natural oil circulation self-cooling and low loss.
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 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 resistor cabinet chamber, a low-voltage distribution chamber, an emergency distribution chamber, a storage battery chamber, a water pump room and a tool chamber;
the three layers are provided with a relay protection chamber, a resistance cabinet chamber, a diesel generator chamber and a ventilator 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.
The utility model provides a medium-sized marine booster station of high reactance of area that radiator staggered floor arranged 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 arrange two high anti radiator staggered floor at the booster station platform three-layer to be used for arranging 66kV ground connection to become the station concurrently with auxiliary production rooms such as room and low pressure electricity distribution room, further improve marine booster station space utilization with two layers of spaces in radiator below.
3) The utility model discloses a configuration height is resisted and is balanced the charging power who sends out the submarine cable and produce at the operation in-process, improves the conveying efficiency of submarine cable.
4) 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.
5) And on the whole, the utility model discloses an adopt reasonable configuration structure, make full use of the space of marine booster station, and then optimized its whole size and weight, realized the compactification of marine booster station.
Drawings
Fig. 1 is a plan view of one deck of a medium-sized marine booster station with high reactance, which is arranged in staggered layers of radiators.
Fig. 2 is a two-layer plane layout diagram of the medium-sized marine booster station with high reactance, which is arranged in staggered layers of the radiators provided by the utility model.
Fig. 3 is a three-layer plane layout diagram of the medium-sized marine booster station with high reactance and the radiator arranged in staggered layers of the utility model.
Fig. 4 is a sectional view of a medium-sized marine booster station with high reactance, in which the radiators are arranged in staggered layers according to the present invention.
Fig. 5 is a B-B cross-sectional view of the middle-sized marine booster station with high reactance, in which the radiators are arranged in staggered layers.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1-3, the embodiment of the utility model provides a medium-sized marine booster station of radiator staggered floor's area height reactance arranges according to the three-layer that mainly includes two main transformers, two high-voltage reactor, 220kV distribution device, 66kV distribution device and auxiliary production room 500. The medium-sized offshore booster station with high resistance and radiator staggered arrangement 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 radiator 112 of the main transformer of 1# is arranged on the outdoor platform of the three layers on the west side of the main transformer room 110 in a staggered mode, the space of the two layers below the radiator 112 is used as a switch room 410 for arranging 66kV power distribution equipment, the radiator 122 of the main transformer of 2# is arranged on the outdoor platform of the three layers on the east side of the main transformer room 120 in a staggered mode, and the space of the two layers below the radiator 122 is used as a switch room 420 for arranging 66kV power distribution equipment. 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 offshore booster station is provided with two high-voltage reactors, wherein a 1# high-voltage reactor 311 is arranged in a 1# high-voltage chamber 310 on the west side of the south of the second layer, and a 2# high-voltage reactor 321 is arranged in a 2# high-voltage chamber 320 on the east side of the south of the second layer; the 1# high-resistance radiator 312 is arranged on a three-layer outdoor platform on the west side of the 1# high-resistance room in a staggered manner, and the lower two-layer space is used as a 66kV grounding transformer room 510 and a low-voltage distribution room 530; the 2# high-resistance radiator 322 is arranged on the three-layer outdoor platform on the east side of the 2# high-resistance chamber in a staggered mode, and the two-layer space below the platform serves as a 66kV grounding transformer substation-compatible transformer chamber 520 and a tool chamber 670. The auxiliary production room 500 comprises grounding and station- compatible transformer rooms 510 and 520, a low-voltage distribution room 530, an emergency distribution room 540, relay protection rooms 550 and 560, resistor cabinet rooms 570 and 580, a ventilator room 590, a diesel generator room 600, a water pump room 610, a storage battery room 620, a temporary rest room 630, a diesel tank room 640, an accident oil tank room 650, a 220kV cable shaft 660 and a tool room 670, and is reasonably arranged on each layer of the offshore booster station according to functions.
In the embodiment, the overall size of the medium-sized offshore booster station with high impedance and radiator staggered arrangement is 35 m × 35 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 floor height of the first floor is 6 m, the floor heights of the second floor and the third floor are 5 m, wherein the main transformer chambers 110 and 120 and the high- resistance chambers 310 and 320 are all set to be two-layer and three-layer through height, and the floor height of the three-layer 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 an access hole, so that the crane can be conveniently hung in and out of large-scale equipment from a roof during 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 500 are arranged, the auxiliary production rooms comprise a temporary rest room 630, a diesel tank room 640 and an accident oil tank room 650, the height of the auxiliary production room 500 at one layer is 3 m, and a clearance of 3 m is reserved above the auxiliary production room as the main cable channels.
A No. 1 main transformer 111 is arranged on the west side of the middle part of the second layer of the booster station on a No. 1 main transformer chamber 110 on the west side of the middle part of the second layer of the booster station, a No. 2 main transformer 121 is arranged on the east side of the middle part of the second layer of the booster station on a No. 2 main transformer chamber 120 on the east side of the middle part of the second layer of the booster station, and the main transformer chambers 110 and 120 occupy two-layer and three-layer through 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 410 and 420 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 a main transformer and a high-voltage reactor through a 220kV cable shaft 660. Two high- voltage reactors 311 and 321 are respectively arranged in the 1# high impedance chamber 310 and the 2# high impedance chamber 320 on the south side of the second floor of the booster station. The switch rooms 410 and 420 are respectively arranged below main transformer radiators 121 and 122, and 66kV power distribution devices are 66kV GIS 411 and 421 and adopt a group of single-bus wiring.
A plurality of production auxiliary rooms 500 are arranged on the south side and the north side of the second floor, and comprise grounding transformer and station transformer rooms 510 and 520, a low-voltage distribution room 530, an emergency distribution room 540, a relay protection room 550, a resistor cabinet room 570, a water pump room 610, a storage battery room 620, a 220kV cable shaft 660 and a tool room 670. The grounding transformer and station transformer chambers 510 and 520 are respectively provided with a grounding transformer and station transformer 511 and 521; the low-voltage distribution room 530 is provided with a low-voltage distribution cabinet 531; the emergency power distribution room 540 is provided with a low-voltage power distribution cabinet 541, the resistor cabinet room 570 is provided with a resistor cabinet 571, and the grounding transformer and station transformer is connected with the low-voltage power distribution cabinet through a cable; emergency distribution room 540 is disposed below diesel generator room 600, and facilitates low-voltage cable wiring. 220kV cable shaft 660 is located GIS cable sleeve below, makes things convenient for high tension cable to lay.
The three layers are arranged in the north side of the building, wherein the diesel generator room 600, the relay protection room 560 and the ventilator room 590 are arranged in the north side of the building, and the resistor cabinet room 580 is arranged in the south side of the building. The relay protection room 560 is close to the 220kV GIS room 200 and is used for arranging 220kV GIS 210 and 220 related control protection screen cabinets; the resistance cabinet chamber 580 is provided with a resistance cabinet 581. 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.
Radiator staggered floor arrange take high resistant medium-sized marine booster station, retrencied marine booster station configuration, optimized marine booster station and arranged, reduced marine booster station's size and weight. The size of the scheme is 35 m multiplied by 16 m, and when the main transformer capacity is configured to be 300 MW, the weight of the booster station is about 3550 t; in contrast, the size of the conventional 400 MW double-main-transformer offshore booster station is 41 m multiplied by 35 m multiplied by 16 m, and the weight is about 3800 t; under the condition that the capacity is improved by 50%, the area is reduced by about 15%, and the weight is reduced by about 8%.
To sum up, the utility model provides a technical scheme effectively reduces marine booster station investment construction cost, compression engineering construction time, and the comprehensive benefit is showing.
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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220413070.XU CN217427459U (en) | 2022-02-28 | 2022-02-28 | Medium-sized offshore booster station with high resistance and staggered radiators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220413070.XU CN217427459U (en) | 2022-02-28 | 2022-02-28 | Medium-sized offshore booster station with high resistance and staggered radiators |
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| CN217427459U true CN217427459U (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220413070.XU Active CN217427459U (en) | 2022-02-28 | 2022-02-28 | Medium-sized offshore booster station with high resistance and staggered radiators |
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- 2022-02-28 CN CN202220413070.XU patent/CN217427459U/en active Active
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