CN117638701A - Inversion boosting integrated box transformer substation - Google Patents
Inversion boosting integrated box transformer substation Download PDFInfo
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- CN117638701A CN117638701A CN202410021634.9A CN202410021634A CN117638701A CN 117638701 A CN117638701 A CN 117638701A CN 202410021634 A CN202410021634 A CN 202410021634A CN 117638701 A CN117638701 A CN 117638701A
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Abstract
The invention belongs to the technical field of box-type substations, and particularly provides an inversion boosting integrated box-type substation, which comprises a transformer chamber, a high-voltage chamber, a low-voltage inversion chamber and a container-type shell, wherein the transformer chamber, the high-voltage chamber and the low-voltage inversion chamber are arranged in the container-type shell, the low-voltage inversion chamber is arranged at two sides of the transformer chamber, and the high-voltage chamber is arranged at one side of one low-voltage inversion chamber far away from the transformer chamber; the invention adopts the bearing structure of the container as the case transformer shell, so that the structural strength of the case transformer in the transportation process can be ensured, and in addition, the heat dissipation structures are respectively arranged aiming at each functional room, thereby improving the overall heat dissipation effect of the case transformer, and increasing the running performance and the service life of the case transformer and the internal equipment of the case transformer; in addition, the invention breaks through the traditional Chinese character 'mu' or 'Pin' arrangement, and meets the use requirement of a high-capacity photovoltaic power station.
Description
Technical Field
The invention belongs to the technical field of box-type substations, and particularly relates to an inversion boosting integrated box-type substation.
Background
The current worldwide fossil fuel resource reserves consume huge, and the strategic reserves of coal, crude oil, natural gas and the like are gradually tightened all over the world. After the 20 th century, numerous college and university students and industry professionals continuously discuss how to efficiently convert clean energy into electricity. The clean energy is green energy, i.e. no pollutant is discharged, and can be directly used for producing energy for life. The clean energy comprises nearly ten categories of solar energy, wind energy, hydrogen energy, ocean energy, water energy, nuclear energy and the like at present, and the solar energy has the advantages of low threshold for energy acquisition, simple whole power generation conversion system, short return on investment period and the like, and becomes one of the clean energy supply modes with the highest occupation ratio in the world at present. The newly increased renewable energy power generation capacity of 2021 worldwide reaches 295GW which creates records, and the newly increased capacity is unprecedented. In summary, both the overall installed scale of photovoltaic power generation and the capacity of a single machine continue to increase.
The current photovoltaic boost tank becomes to traditional mesh font or article font arrangement, and the overall arrangement is compact, and scalable space is little, is difficult to satisfy the on-the-spot power generation demand of large capacity, and traditional container formula shell radiating effect is not good simultaneously, and under photovoltaic power generation's high temperature operational environment, transformer and dc-to-ac converter are difficult to dispel the heat, influence equipment normal operating performance and life-span.
Disclosure of Invention
Aiming at the defects that the prior art has the conventional mesh-shaped or delta-shaped arrangement, the layout is compact, the expandable space is small, the power generation requirement of a large-capacity site is difficult to meet, the heat dissipation effect of the conventional container type shell is poor, and the normal operation performance and service life of equipment are influenced due to the fact that a transformer and an inverter are difficult to dissipate heat in a high-temperature operation environment of photovoltaic power generation, the invention provides an inversion boosting integrated box transformer, and the technical problems are solved.
The invention provides an inversion boosting integrated box transformer which comprises a transformer chamber, a high-voltage chamber, a low-voltage inversion chamber and container type shells, wherein the transformer chamber, the high-voltage chamber and the low-voltage inversion chamber are arranged in the container type shells, the low-voltage inversion chamber is arranged at two sides of the transformer chamber, and the high-voltage chamber is arranged at one side of one low-voltage inversion chamber far away from the transformer chamber; the container type shell at the periphery of the high-voltage chamber adopts a corrugated board structure, the container type shell at the periphery of the low-voltage inversion chamber is only provided with a bearing framework structure, the container type shell at the periphery of the transformer chamber adopts a net door structure, and the transformer chamber, the high-voltage chamber and the low-voltage inversion chamber are respectively provided with a heat dissipation mechanism.
According to the technical scheme, the heat dissipation mechanism of the transformer room comprises transformer oil tank heat dissipaters, the transformer oil tank heat dissipaters are distributed around a transformer arranged in the transformer room, and the transformer oil tank heat dissipaters adopt gooseneck type heat dissipaters.
According to the technical scheme, the radiating mechanism of the high-pressure chamber comprises a shutter and a first fan, the shutter is arranged on a corrugated board split door arranged on the high-pressure chamber, and the first fan is arranged on the rear upper side of the high-pressure chamber and is close to the low-pressure inversion chamber.
According to the technical scheme, the low-voltage inverter chamber heat dissipation mechanism comprises a heat dissipation channel and a second fan, wherein the second fan and a ventilation pipeline are distributed above an inverter cabinet body arranged in the low-voltage inverter chamber, and the inverter cabinet body dissipates heat through the second fan and the ventilation pipeline.
According to the technical scheme, the CCV-type ring main unit is adopted by the high-voltage indoor configured high-voltage cabinet, the CCV-type ring main unit comprises a breaker V cabinet and two load switch C cabinets, the high-voltage breakers in the breaker V cabinet form transformer differential protection with the low-voltage breakers arranged in the inverter cabinet body through the configured measurement and control device, first cable holes are formed in the bottoms of the two load switch C cabinets, and the load switch C cabinets are connected to an external transmission line through cables penetrating through the cable holes.
According to the technical scheme, a communication cabinet is arranged on one side of the high-voltage cabinet, a switch, an uninterruptible power supply and a battery are arranged in the communication cabinet, and the communication cabinet is used for collecting and intensively uploading box-type transformer data and inverter data arranged in the inverter cabinet.
The technical scheme is further improved that the inverter cabinet body adopts a cold-rolled steel plate, and the surface of the inverter cabinet body is sequentially sprayed with 80 mu m epoxy primer and 60 mu m polyurethane finish paint from inside to outside.
According to the technical scheme, two groups of low-voltage pile heads are arranged below a transformer oil tank radiator and are connected with bus copper bars arranged in an inverter cabinet body; the low-pressure pile head is arranged in a protective cover positioned below the transformer oil tank radiator, and the protective cover is arranged in the transformer room through a flange.
The further improvement of this technical scheme still includes the slant side pipe, and the welding of slant side pipe is in the inboard of net door structure, consolidates net door structure.
The invention has the beneficial effects that the bearing structure of the container is adopted as the case transformer shell, so that the structural strength of the case transformer in the transportation process can be ensured; in addition, the invention breaks through the traditional Chinese character 'mu' or 'Pin' arrangement, and meets the use requirement of a high-capacity photovoltaic power station.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a front view of the inverter and boost integrated box transformer.
Fig. 2 is a schematic view of the internal structure of the transformer room with a part of the mesh door removed.
Fig. 3 is a plan view of the inverter and booster integrated box transformer substation.
Fig. 4 is a left side view of the inverter and boost integrated box transformer.
110 is a transformer room, 111 is a transformer oil tank radiator, 112 is a low-voltage pile head, 113 is an inclined square pipe, 114 is a protective cover, 115 is a flange, 120 is a high-voltage room, 121 is a corrugated board structure, 122 is a shutter, 130 is a low-voltage inverter room, 131 is a heat dissipation channel, and 140 is a container type shell.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1, 2, 3 and 4, the invention provides an inversion boosting integrated box transformer, which comprises a transformer chamber, a high-voltage chamber, a low-voltage inversion chamber and a container type shell, wherein the transformer chamber, the high-voltage chamber and the low-voltage inversion chamber are arranged in the container type shell, the low-voltage inversion chamber is arranged at two sides of the transformer chamber, and the high-voltage chamber is arranged at one side of one low-voltage inversion chamber far away from the transformer chamber; the container type shell at the periphery of the high-voltage chamber adopts a corrugated board structure, the container type shell at the periphery of the low-voltage inversion chamber is only provided with a bearing framework structure, the container type shell at the periphery of the transformer chamber adopts a net door structure, and the transformer chamber, the high-voltage chamber and the low-voltage inversion chamber are respectively provided with a heat dissipation mechanism. In order to improve the structural strength of the net door structure, the inversion boosting integrated box transformer is further provided with an oblique square tube, and the oblique square tube is welded on the inner side of the net door structure to strengthen the net door structure.
The heat dissipation mechanism of the transformer room comprises transformer oil tank heat dissipaters which are distributed around a transformer arranged in the transformer room, and the transformer oil tank heat dissipaters adopt gooseneck heat dissipaters; the heat dissipation mechanism of the high-pressure chamber comprises a shutter and a first fan, the shutter is arranged on a corrugated board split door arranged on the high-pressure chamber, and the first fan is arranged at the rear upper side of the high-pressure chamber and is close to the low-pressure inversion chamber; the heat dissipation mechanism of the low-voltage inversion chamber comprises a heat dissipation channel and a second fan, wherein the second fan and a ventilation pipeline are distributed above an inverter cabinet body arranged in the low-voltage inversion chamber, and the inverter cabinet body dissipates heat through the second fan and the ventilation pipeline.
In addition, a CCV-type ring main unit is adopted as a high-voltage cabinet arranged in a high-voltage chamber, the CCV-type ring main unit comprises a breaker V cabinet and two load switch C cabinets, the high-voltage breaker in the breaker V cabinet and a low-voltage breaker arranged in an inverter cabinet body form transformer differential protection through a configured measurement and control device, first cable holes are formed in the bottoms of the two load switch C cabinets, the load switch C cabinets are connected to an external power transmission line through cables penetrating through the cable holes, 3 second cable holes are formed in the bottoms of the breaker V cabinets, and the cables connected with the breaker V cabinets penetrate through the second cable holes and are connected to a transformer; one side of the high-voltage cabinet is provided with a communication cabinet, an exchanger, an uninterrupted power supply and a battery are arranged in the communication cabinet, and the communication cabinet is used for collecting and intensively uploading box-type transformer data and inverter data arranged in the inverter cabinet.
Specifically, the inverter cabinet body adopts a cold-rolled steel plate, and the surface of the inverter cabinet body is sequentially sprayed with 80 mu m epoxy primer and 60 mu m polyurethane finish paint from inside to outside, so that a good anti-corrosion effect can be achieved, and rust generated during marine transportation is avoided. The inverter cabinet body comprises a frame breaker, a branch plastic shell breaker and other elements with protection function, and is provided with a 0.8kV/0.38kV dry-type isolation transformer for providing power for high-low voltage protection loops, control loops and inverter communication equipment in the cabinet. The inverter and the transformer are connected only through bus copper bars, and specifically: the bus copper bar is connected to the transformer through a low-voltage pile head arranged below the transformer oil tank radiator, two groups of low-voltage pile heads are arranged, and the two groups of low-voltage pile heads are connected with the bus copper bar arranged in the inverter cabinet body; the low-pressure pile heads are arranged in a protective cover below the radiator of the transformer oil tank, and the protective cover is arranged in the transformer room through a flange, wherein the low-pressure pile heads in fig. 3 can be seen from the top, and in order to facilitate the understanding of technicians, the low-pressure pile heads are all arranged in the protective cover when the tank is put into use; in addition, the inverter cabinet body can be heightened, and a detachable baffle is arranged at the bottom of the inverter cabinet body and used for being connected with a low-voltage cable, and a bus cover on the inverter cabinet body is fixed through a flange.
The working principle of the inversion boosting integrated box transformer substation is as follows: the direct current output by the photovoltaic solar panel is converted into 0.8kV alternating current through the inverter, the 0.8kV alternating current flows into the low-voltage side of the transformer, the transformer is used for boosting the voltage to 35kV, and the 0.8kV alternating current is combined into a power grid through the high-voltage cabinet.
Although the present invention has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and it is intended that all such modifications and substitutions be within the scope of the present invention/be within the scope of the present invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The inversion and boosting integrated box transformer is characterized by comprising a transformer chamber, a high-voltage chamber, a low-voltage inversion chamber and a container type shell, wherein the transformer chamber, the high-voltage chamber and the low-voltage inversion chamber are arranged in the container type shell, the low-voltage inversion chamber is arranged at two sides of the transformer chamber, and the high-voltage chamber is arranged at one side of one low-voltage inversion chamber far away from the transformer chamber; the container type shell at the periphery of the high-voltage chamber adopts a corrugated board structure, the container type shell at the periphery of the low-voltage inversion chamber is only provided with a bearing framework structure, the container type shell at the periphery of the transformer chamber adopts a net door structure, and the transformer chamber, the high-voltage chamber and the low-voltage inversion chamber are respectively provided with a heat dissipation mechanism.
2. The inversion boosting integrated tank transformer of claim 1, wherein the heat dissipation mechanism of the transformer room comprises transformer oil tank heat dissipaters which are distributed around a transformer arranged in the transformer room, and the transformer oil tank heat dissipaters adopt gooseneck type heat dissipaters.
3. The inversion boosting integrated box transformer substation according to claim 2, wherein the heat dissipation mechanism of the high-pressure chamber comprises a louver and a first fan, the louver is arranged on a corrugated plate split door arranged on the high-pressure chamber, and the first fan is arranged on the rear upper side of the high-pressure chamber and close to the low-pressure inversion chamber.
4. The inversion boosting integrated box transformer of claim 3, wherein the heat dissipation mechanism of the low-voltage inversion chamber comprises a heat dissipation channel and a second fan, the second fan and the ventilation pipeline are distributed above an inverter cabinet body arranged in the low-voltage inversion chamber, and the inverter cabinet body dissipates heat through the second fan and the ventilation pipeline.
5. The inversion boosting integrated box transformer substation according to claim 4, wherein the high-voltage cabinet arranged in the high-voltage chamber adopts a CCV-shaped ring main unit, the CCV-shaped ring main unit comprises a breaker V cabinet and two load switch C cabinets, the high-voltage breaker in the breaker V cabinet and the low-voltage breaker arranged in the inverter cabinet form transformer differential protection through the arranged measurement and control device, a first cable hole is formed in the bottoms of the two load switch C cabinets, and the load switch C cabinets are connected to an external transmission line through cables penetrating through the cable holes.
6. The inversion boosting integrated box transformer substation according to claim 5, wherein a communication cabinet is arranged on one side of the high-voltage cabinet, a switch, an uninterruptible power supply and a battery are arranged in the communication cabinet, and the communication cabinet is used for collecting and intensively uploading box transformer data and inverter data arranged in the inverter cabinet.
7. The inversion and boosting integrated box transformer substation according to claim 4, wherein the inverter cabinet body is made of cold-rolled steel plates, and the surface of the inverter cabinet body is sequentially sprayed with 80-mu m epoxy primer and 60-mu m polyurethane finish paint from inside to outside.
8. The inversion and boost integrated box transformer substation according to claim 4, wherein two groups of low-voltage pile heads are arranged below the transformer oil tank radiator and are connected with bus copper bars arranged in the inverter cabinet body; the low-pressure pile head is arranged in a protective cover positioned below the transformer oil tank radiator, and the protective cover is arranged in the transformer room through a flange.
9. The inversion and boost integrated box transformer substation according to claim 1, further comprising an oblique square pipe welded on the inner side of the net gate structure to strengthen the net gate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410021634.9A CN117638701A (en) | 2024-01-04 | 2024-01-04 | Inversion boosting integrated box transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410021634.9A CN117638701A (en) | 2024-01-04 | 2024-01-04 | Inversion boosting integrated box transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117638701A true CN117638701A (en) | 2024-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410021634.9A Pending CN117638701A (en) | 2024-01-04 | 2024-01-04 | Inversion boosting integrated box transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117638701A (en) |
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2024
- 2024-01-04 CN CN202410021634.9A patent/CN117638701A/en active Pending
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