CN209981869U - Natural draft high protection level modularization prepackage type transformer substation - Google Patents
Natural draft high protection level modularization prepackage type transformer substation Download PDFInfo
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- CN209981869U CN209981869U CN201920950738.2U CN201920950738U CN209981869U CN 209981869 U CN209981869 U CN 209981869U CN 201920950738 U CN201920950738 U CN 201920950738U CN 209981869 U CN209981869 U CN 209981869U
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- transformer
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- chamber
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
Abstract
The utility model discloses a natural draft high protection level modularization prepackage type transformer substation in the transformer substation field, including the box, set up airtight box room and open structure's transformer room in the box, airtight box room and transformer room are isolated each other, airtight box room separates for high protection level's high-pressure chamber and high protection level's low-pressure chamber through the baffle, be provided with high tension switchgear in the high-pressure chamber, set up low tension switchgear and remote control case in the low-pressure chamber, be provided with distribution terminal in the remote control case, be provided with the transformer in the transformer room, the transformer links to each other with the low tension circuit breaker in the low tension switchgear through the low tension bus bar; the low and not good problem of transformer room radiating effect of shell protection level that can solve box-type substation for the capacity of transformer obtains abundant utilization, has promoted the utilization ratio of transformer, has enlarged box-type substation's range of application, the utility model discloses can be used to the transformer substation.
Description
Technical Field
The utility model relates to a transformer substation, in particular to box-type transformer substation.
Background
With the development of society, particularly the rapid development of urban economy and the gradual increase of population, the demand of people on land is increasing, and the building land is increasingly tense. As a non-renewable resource, the land is more and more strictly controlled by the nation. Therefore, the new construction of the transformer station with large floor space is less and less, and the prefabricated transformer station with small floor space, complete functions, convenient transportation and installation is widely applied.
In a common standard preassembled transformer substation, distribution and control equipment such as a high-voltage switch cabinet, a distribution transformer, a low-voltage switch cabinet and the like are combined and installed in a box body with a rectangular shell. The inside of the shell is separated into a high-voltage chamber, a transformer chamber and a low-voltage chamber which are mutually independent, and the three chambers are arranged in a shape like the Chinese character 'mu' or 'pin'. However, because the transformer is installed in the transformer chamber, when the transformer chamber meets the requirement of sufficient protection level (standard requirement is not less than IP 33), the heat dissipation of the transformer chamber is limited, even if an axial flow fan is additionally installed in the transformer chamber, the heat dissipation effect is not good, and the noise of the fan is increased to influence the surrounding environment. The heat dissipation effect is not good, the capacity of the transformer cannot be fully utilized, the utilization rate of the transformer is reduced, and therefore resources are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high protection level modularization prepackage type transformer substation of natural draft can solve the low and not good problem of transformer room radiating effect of box-type transformer substation's shell protection level for the capacity of transformer obtains abundant utilization, has promoted the utilization ratio of transformer, has enlarged box-type transformer substation's range of application.
For realizing the above-mentioned purpose, the utility model provides a high protection level modularization prepackage type transformer substation of natural draft, the power distribution box comprises a box body, set up the transformer room of seal box room and open structure in the box, the seal box room is isolated each other with the transformer room, the seal box room separates for high protection level's high-pressure chamber and high protection level's low-pressure chamber through the baffle, be provided with high tension switchgear in the high-pressure chamber, set up low tension switchgear and remote control case in the low-pressure chamber, be provided with distribution terminal in the remote control case, be provided with the transformer in the transformer room, the transformer links to each other with the low-voltage circuit breaker in the low tension switchgear through low tension bus row, low tension bus row is equipped with the protection casing all.
Compared with the prior art, the beneficial effects of the utility model reside in that, set the transformer room to open structure for the transformer can natural draft all around, and with transformer room, hyperbaric chamber and low-pressure chamber mutual isolation, become the room alone, promoted the protection grade of transformer substation, can solve the low and not good problem of transformer room radiating effect of box-type substation's shell protection grade, make the capacity of transformer obtain abundant utilization, promoted the utilization ratio of transformer, enlarged box-type substation's range of application, the utility model discloses can be used to box-type substation.
As a further improvement of the utility model, the high-pressure chamber sets up the first side at the box, the low-pressure chamber sets up the second side at the box and with the high-pressure chamber end to end, the transformer room sets up in "L" shape inboard that high-pressure chamber and low-pressure chamber enclose, makes the clearance between transformer room and high-pressure chamber and the low-pressure chamber bigger like this, has more sufficient space to dispel the heat.
As the utility model discloses a further improvement, the periphery of transformer room is provided with the net door structure to the top of transformer room is provided with built on stilts top cap, can both natural draft all around making the transformer, and the periphery of transformer room is provided with the net door structure, has further promoted the security, and the top of transformer room is provided with built on stilts top cap, can shelter from the direct irradiation of sunlight to the transformer like this, has reduced the ambient temperature of transformer, fine solution the transformer in the use, cause the transformer to fall the phenomenon of holding because of the heat dissipation is not enough.
As a further improvement, but adopt full-insulated touch cable plug to be connected between high tension switchgear and the transformer, the cable plug periphery is provided with the safety cover, can promote the security performance of transformer substation like this for the protection level of transformer substation can be further improved, makes things convenient for the quick grafting when the on-the-spot installation uses simultaneously.
As the utility model discloses a further improvement, high tension switchgear includes high-pressure incoming line cabinet and high-pressure feeder cabinet, high-pressure feeder cabinet includes load switch and fuse combination cabinet, the fuse is firing pin formula fuse, and load switch adopts manual or electric operation, and remote operation is realized at accessible distribution terminal, and when fuse one-phase fusing, the firing pin of fuse drives load switch tripping interlocking device and makes the load switch three-phase separating brake simultaneously avoid three-phase transformer to lack the looks operation like this, further improves the fail safe nature of transformer substation, and remote operation is realized at accessible distribution terminal.
As a further improvement, the low-voltage switchgear includes the total cabinet of low-voltage, the total cabinet of low-voltage is qualified for the next round of competitions the cabinet with the low-voltage and is linked to each other, low-voltage line outgoing cabinet links to each other with the reactive compensation cabinet, the reactive compensation cabinet links to each other with the remote control case, be provided with the idle supplementary condenser of integral type intelligence in the reactive compensation cabinet, adopt to divide the benefit altogether and mix the benefit form, the circuit breaker that assembles in the total cabinet of low-voltage and the low-voltage line outgoing cabinet adopts manual or electric operation, and remote operation is realized to accessible power distribution terminal.
As the utility model discloses a further improvement, be provided with labyrinth structure's vent on high-pressure chamber and the low-pressure chamber, can make the radiating effect of high-pressure chamber and low-pressure chamber better like this to can play the effect that prevents entering such as dust, promote the protection level.
Drawings
Fig. 1 is a schematic view of the assembly of the present invention.
Fig. 2 is a schematic plan view of the present invention.
Fig. 3 is a schematic diagram of the transformer chamber of the present invention.
Fig. 4 is a schematic view of the low-pressure chamber side surface housing of the present invention.
The system comprises a high-voltage incoming cabinet 1, a high-voltage feeder cabinet 2, a transformer chamber 3, a transformer 4, a cable connector 5, a high-voltage chamber 6, a mesh door 7, a remote control box 8, a reactive compensation cabinet 9, a low-voltage outgoing cabinet 10, a low-voltage main cabinet 11, a busbar 12, a low-voltage chamber 13, a protective cover 14, a protective cover 15, a ventilation opening 16, a door lock 17 and an outer door hinge 18.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1-4, a natural ventilation high protection level modular prefabricated substation comprises a box body, wherein a closed box chamber and a transformer chamber 3 with an open structure are arranged in the box body, the closed box chamber is isolated from the transformer chamber 3, the closed box chamber is divided into a high protection level high-voltage chamber 6 and a high protection level low-voltage chamber 13 by a partition plate, high-voltage switch equipment is arranged in the high-voltage chamber 6, low-voltage switch equipment and a remote control box 8 are arranged in the low-voltage chamber 13, a power distribution terminal is arranged in the remote control box 8, a transformer 4 is arranged in the transformer chamber 3, the transformer 4 is connected with a low-voltage circuit breaker in the low-voltage switch equipment through a low-voltage bus bar 12, and a protective cover 15 is arranged around; the high-voltage chamber 6 is arranged on the first side surface of the box body, the low-voltage chamber 13 is arranged on the second side surface of the box body and is connected with the high-voltage chamber 6 end to end, and the transformer chamber 3 is arranged in the L-shaped inner side enclosed by the high-voltage chamber 6 and the low-voltage chamber 13; a mesh door structure 7 is arranged on the periphery of the transformer chamber 3, and an overhead top cover is arranged at the top of the transformer chamber 3; the high-voltage switch equipment is connected with the transformer 4 by adopting an all-insulated touchable cable plug connector 5, and a protective cover 14 is arranged on the periphery of the cable plug connector 5; the high-voltage switch equipment comprises a high-voltage incoming cabinet 1 and a high-voltage feeder cabinet 2, wherein the high-voltage feeder cabinet 2 comprises a load switch and fuse combined cabinet, the fuses are firing pin fuses, the load switch is manually or electrically operated, and remote operation can be realized through a power distribution terminal; the low-voltage switch equipment comprises a low-voltage main cabinet 11, wherein the low-voltage main cabinet 11 is connected with a low-voltage outgoing line cabinet 10, the low-voltage outgoing line cabinet 10 is connected with a reactive compensation cabinet 9, the reactive compensation cabinet 9 is connected with a remote control box 8, an integrated intelligent reactive compensation capacitor is arranged in the reactive compensation cabinet 9, a common-division compensation and mixed-compensation mode is adopted, circuit breakers assembled in the low-voltage main cabinet 11 and the low-voltage outgoing line cabinet 10 are manually or electrically operated, and remote operation can be realized through a power distribution terminal; the high-pressure chamber 6 and the low-pressure chamber 13 are provided with ventilation openings 16 of a labyrinth structure.
In the utility model, the box body is divided into a high-pressure chamber 6 with high protection level and a low-pressure chamber 13 with high protection level by a partition plate, the high-pressure chamber 6 and the low-pressure chamber 13 are arranged in an L-shaped plane, the high-pressure chamber and the low-pressure chamber are respectively independent to form a chamber, a vent 16 adopts a labyrinth structure, a door edge is additionally provided with a sealing strip to ensure that the protection level can reach IP55 and above, a high-pressure switch device is arranged in the high-pressure chamber 6, a low-pressure switch device and a remote control device are arranged in the low-pressure chamber 13, an open transformer chamber 3 with an overhead top cover is arranged in the L-shaped enclosed by the high-pressure chamber 6 and the low-pressure chamber 13, a transformer 4 adopts an oil-immersed three-phase transformer with low energy consumption and full-sealed voltage level of 10/0.4kV and capacity of 630kVA or below, a mesh door structure 7 is adopted at the periphery, and the casing overhead top cover is arranged above the transformer, so that the direct irradiation of sunlight to the transformer is shielded, and the environment temperature of the transformer is reduced. Therefore, the phenomenon that the capacity of the transformer is reduced due to insufficient heat dissipation in the use process of the transformer is well solved.
High tension switchgear adopts SF6 gas-insulated metal box-sharing totally closed 10kV looped netowrk cabinet switchgear, load switch adopts manual/electric operating device, accessible distribution terminal realizes remote operation, high tension switchgear adopts cable and cable accessories grafting mode with the connection of transformer, cable plug connector 5 adopts full-insulated tangible formula, cable plug connector 5 of transformer has safety cover 14 all around, make its protection level can reach more than IP68, high tension switchgear is 1 income 1 terminal type and 1 income 2 play looped netowrk type, high tension feeder cabinet 2 adopts load switch and fuse combination cabinet, adopt firing pin fuse, when fuse one-phase fusing, the firing pin of fuse drives load switch tripping interlocking mechanism and makes the load switch three-phase separating brake simultaneously avoid the open-phase operation.
The low-voltage switch equipment adopts a low-voltage main incoming line, low-voltage metering, low-voltage feeder and low-voltage reactive compensation combined form, the reactive compensation capacitor adopts an integrated intelligent capacitor and adopts a common-branch compensation and mixed-compensation form, the circuit breakers in the low-voltage main cabinet and the low-voltage feeder cabinet can realize remote operation, and a protective cover 15 is arranged on a connecting bus bar 12 between the low-voltage switch equipment and the transformer 4 to improve the protection grade.
The remote control unit of the transformer substation adopts an intelligent terminal module to remotely control the power distribution terminal, and can realize remote intelligent control functions such as remote measurement, remote signaling, remote regulation, remote control and the like. The remote control system can remotely operate low-voltage switch equipment and high-voltage switch equipment, upload position signals of the low-voltage switch equipment and the high-voltage switch equipment to a data background, and send the position signals to a control center through a wireless data terminal, the position signals can be transmitted by using a GPRS public operator network, and can also be transmitted by using an RS485 private network, so that the real-time monitoring of the data center is convenient, the remote control function is realized, the remote real-time monitoring on the power load conditions such as current, voltage, active power, reactive power, power factors, harmonic waves and the like can be realized, the oil temperature of the transformer 4 is monitored, and the access control of a high-pressure chamber 6 door, a low-pressure chamber 13 door and a transformer chamber 3 network door structure 7 of a preassembled transformer substation.
The utility model discloses fine solution current prepackage type transformer substation ventilation cooling effect good its protection level just low, protection level is high just poor and transformer capacity can not obtain this a difficult problem of make full use of with regard to its ventilation cooling effect. The protection level of the prefabricated substation is improved, the effect of natural ventilation and heat dissipation is achieved, and the utilization rate of the transformer is improved. In addition, all main functional units of the device are in modular design and are produced in a standardized mode, assembly and debugging are carried out in a factory, and the device can be installed and put into operation quickly on site. The outer door hinge 18 adopts a stainless steel hinge, and the door lock 17 adopts an anti-theft rainproof square box lock, so that the outdoor service life is prolonged. Due to the innovative design of the planar structure arrangement, the volume of the transformer substation is reduced, the planar floor area of each transformer substation is reduced by more than 2 square meters compared with the conventional similar transformer substations, the land resources are saved, and the cost is saved.
The present invention is not limited to the above embodiments, and based on the technical solutions of the present disclosure, those skilled in the art can make some substitutions and transformations to some technical features without creative labor according to the disclosed technical contents, and these substitutions and transformations are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a high protection level modularization prepackage type transformer substation of natural draft, includes the box, its characterized in that: set up the transformer room of seal box room and open structure in the box, the seal box room is isolated each other with the transformer room, the seal box room is separated for high protection level's high-pressure chamber and high protection level's low-pressure chamber through the baffle, be provided with high tension switchgear in the high-pressure chamber, set up low tension switchgear and remote control case in the low-pressure chamber, be provided with distribution terminal in the remote control case, be provided with the transformer in the transformer room, the transformer is arranged and is linked to each other with the low voltage circuit breaker among the low tension switchgear through low tension bus, low tension bus is arranged and is equipped with the protection casing all around.
2. The natural draft high protection level modular prefabricated substation of claim 1, characterized in that: the high-voltage chamber is arranged on the first side face of the box body, the low-voltage chamber is arranged on the second side face of the box body and is connected with the high-voltage chamber end to end, and the transformer chamber is arranged in the inner side of the L shape formed by the high-voltage chamber and the low-voltage chamber in a surrounding mode.
3. The natural draft high protection level modular prefabricated substation of claim 2, characterized in that: the periphery of the transformer chamber is provided with a net door structure, and the top of the transformer chamber is provided with an overhead top cover.
4. The natural draft high protection level modular prefabricated substation of claim 3, characterized in that: the high-voltage switch equipment is connected with the transformer through an all-insulated touch cable plug connector, and a protective cover is arranged on the periphery of the cable plug connector.
5. A natural draft high protection class modular pre-assembled substation according to any one of claims 1 to 4, characterized in that: the high-voltage switch equipment comprises a high-voltage incoming line cabinet and a high-voltage feeder line cabinet, wherein the high-voltage feeder line cabinet comprises a load switch and a fuse combined cabinet, the fuse is a striker type fuse, the load switch is manually or electrically operated, and remote operation can be realized through a power distribution terminal.
6. A natural draft high protection class modular pre-assembled substation according to any one of claims 1 to 4, characterized in that: the low-voltage switch equipment comprises a low-voltage main cabinet, the low-voltage main cabinet is connected with a low-voltage outlet cabinet, the low-voltage outlet cabinet is connected with a reactive compensation cabinet, the reactive compensation cabinet is connected with a remote control box, an integrated intelligent reactive compensation capacitor is arranged in the reactive compensation cabinet, a common-branch compensation and mixed compensation mode is adopted, a circuit breaker assembled in the low-voltage main cabinet and the low-voltage outlet cabinet is manually or electrically operated, and remote operation can be realized through a power distribution terminal.
7. A natural draft high protection class modular pre-assembled substation according to any one of claims 1 to 4, characterized in that: and the high-pressure chamber and the low-pressure chamber are provided with vents with labyrinth structures.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950738.2U CN209981869U (en) | 2019-06-24 | 2019-06-24 | Natural draft high protection level modularization prepackage type transformer substation |
| PCT/CN2019/125600 WO2020258759A1 (en) | 2019-06-24 | 2019-12-16 | Natural ventilation high protection level modular prefabricated transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950738.2U CN209981869U (en) | 2019-06-24 | 2019-06-24 | Natural draft high protection level modularization prepackage type transformer substation |
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| Publication Number | Publication Date |
|---|---|
| CN209981869U true CN209981869U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920950738.2U Active CN209981869U (en) | 2019-06-24 | 2019-06-24 | Natural draft high protection level modularization prepackage type transformer substation |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209981869U (en) |
| WO (1) | WO2020258759A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115036833A (en) * | 2022-06-15 | 2022-09-09 | 南通星宇电气有限公司 | Mobile substation with approaching warning function |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000012177A (en) * | 1999-04-19 | 2000-03-06 | 이기표, 박기주 | package type power supply apparatus |
| CN201509017U (en) * | 2009-09-24 | 2010-06-16 | 福建森达电气有限公司 | Horizontal power distribution integral intelligent box changing device |
| CN203398595U (en) * | 2013-06-17 | 2014-01-15 | 湖南湘能电力强弱电工程有限公司 | Intelligent type integrated transformer station |
| CN205265115U (en) * | 2015-11-22 | 2016-05-25 | 山东南洋电器有限公司 | Remote control preassembled bin formula transformer substation |
| CN106532534A (en) * | 2016-12-21 | 2017-03-22 | 江苏其厚智能电气设备有限公司 | Miniaturized preassembled substation for towns |
| CN107508183A (en) * | 2017-09-20 | 2017-12-22 | 江苏其厚智能电气设备有限公司 | Minimize preassembled transformer station |
-
2019
- 2019-06-24 CN CN201920950738.2U patent/CN209981869U/en active Active
- 2019-12-16 WO PCT/CN2019/125600 patent/WO2020258759A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115036833A (en) * | 2022-06-15 | 2022-09-09 | 南通星宇电气有限公司 | Mobile substation with approaching warning function |
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| Publication number | Publication date |
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| WO2020258759A1 (en) | 2020-12-30 |
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