CN116581680A - Environment-friendly transformer station - Google Patents
Environment-friendly transformer station Download PDFInfo
- Publication number
- CN116581680A CN116581680A CN202310643966.6A CN202310643966A CN116581680A CN 116581680 A CN116581680 A CN 116581680A CN 202310643966 A CN202310643966 A CN 202310643966A CN 116581680 A CN116581680 A CN 116581680A
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- Prior art keywords
- voltage
- transformer
- low
- oil
- box
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- 239000003921 oil Substances 0.000 claims abstract description 84
- 235000019198 oils Nutrition 0.000 claims abstract description 84
- 239000008158 vegetable oil Substances 0.000 claims abstract description 48
- 235000015112 vegetable and seed oil Nutrition 0.000 claims abstract description 47
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 238000005192 partition Methods 0.000 claims abstract description 17
- 235000013311 vegetables Nutrition 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 42
- 230000007246 mechanism Effects 0.000 claims description 38
- 238000007789 sealing Methods 0.000 claims description 25
- 230000017525 heat dissipation Effects 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 241001669679 Eleotris Species 0.000 claims description 3
- 239000002480 mineral oil Substances 0.000 abstract description 9
- 235000010446 mineral oil Nutrition 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000004308 accommodation Effects 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
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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
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
-
- 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
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- 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
-
- 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
- H02B1/48—Mounting of devices therein
-
- 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
- H02B1/50—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
-
- 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
- H02B1/565—Cooling; Ventilation for cabinets
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention provides an environment-friendly transformer substation, which relates to the technical field of transformer equipment and comprises a box-type shell, a high-voltage inflatable ring main unit, a low-voltage cabinet, a high-voltage and low-voltage partition board and a vegetable oil transformer; the high-low pressure baffle divides the accommodation space into low pressure seal space and high pressure seal space, has guaranteed the inside reasonable division of box casing, runs through the lateral wall of box casing when the vegetable oil transformer and is connected with low-pressure cabinet and high-pressure inflatable looped netowrk cabinet electricity respectively, has realized the reasonable distribution to the circuit of vegetable oil transformer, has born vegetable cooling oil in the vegetable oil transformer, and vegetable cooling oil can insulate and dispel the heat to the inside of transformer, and when the oil leak accident takes place for the transformer, vegetable cooling oil can degrade by oneself, reducible pollution to the environment, the inside transformer of box-type substation that exists in the prior art is filled mineral oil, the mineral oil can the polluted environment if take place to leak, can't satisfy the technical problem who uses in the higher region of equipment environmental protection requirement.
Description
Technical Field
The invention relates to the technical field of power transformation equipment, in particular to an environment-friendly transformer substation.
Background
The box-type transformer substation, namely the preassembled transformer substation, is widely applied to the fields of new energy power generation, national grid power distribution and the like. In the actual use process, the high-voltage switch, the transformer and the low-voltage switch are transported to the site for direct use after being installed and debugged in the shell of the box-type transformer substation, and the method is particularly suitable for the field of new energy power generation.
In the prior art, the transformer in the new energy box-type transformer substation mainly adopts mineral oil as an insulating and heat-radiating medium of the transformer, and the mineral oil has good insulating property and heat-conducting property, but has low cost, and the mineral oil has low ignition point and relatively poor biodegradability, and leaks to pollute the environment, so the transformer is not suitable for being used in the fields with dense population, high-rise buildings or large influence on environmental ecology at sea, and especially in new energy power generation areas. The new energy power generation is conventionally arranged in areas with no damage to the environment such as mountain areas, plain areas, offshore areas and the like, and the environment protection requirement on equipment is high. Meanwhile, the conventional new energy adopts a high-voltage vacuum integrated circuit breaker cabinet or SF due to the high voltage of the box-type transformer substation 6 And (5) an air charging cabinet. When the high-voltage vacuum integrated circuit breaker cabinet is adopted, the whole box-type transformer substation is larger in volume, the high-voltage electrified position of the high-voltage vacuum integrated circuit breaker cabinet is exposed in the air, and the high-voltage vacuum integrated circuit breaker cabinet has larger potential safety hazard during operation and maintenance and is transportedThe conveying volume is large, and the cost for transportation and field installation is high. And SF (sulfur hexafluoride) 6 Although the external dimension of the inflatable cabinet can be reduced, SF can be released from the interior of the inflatable cabinet 6 Toxic gas can cause corresponding environmental pollution.
Disclosure of Invention
The invention aims to provide an environment-friendly transformer substation, which is used for relieving the technical problems that in the prior art, mineral oil is filled in a transformer in a box-type substation, the mineral oil can pollute the environment if leakage occurs, and the environment-friendly transformer substation cannot meet the use of areas with high requirements on equipment environment protection.
The invention provides an environment-friendly transformer substation, which comprises: the device comprises a box-type shell, a high-voltage inflatable ring main unit, a low-voltage cabinet, a high-voltage and low-voltage partition board and a vegetable oil transformer;
the box-type shell is provided with a containing space, the high-low pressure partition plates are arranged along the inside of the box-type shell in an extending mode, and the high-low pressure partition plates are connected with the inner wall of the box-type shell to divide the containing space into a low-pressure sealing space and a high-pressure sealing space;
the vegetable oil transformer is positioned at one side of the box-type shell, the vegetable oil transformer is connected with the side wall of the box-type shell, and vegetable cooling oil is loaded in the vegetable oil transformer;
the high-voltage inflatable ring main unit is located inside the high-voltage sealed space, the low-voltage cabinet is located inside the low-voltage sealed space, and the vegetable oil transformer can penetrate through the side wall of the box-type shell to be electrically connected with the low-voltage cabinet and the high-voltage inflatable ring main unit respectively.
In a preferred embodiment of the invention, the vegetable oil transformer comprises a transformer oil tank, a transformer body and a transformer sleeper;
the transformer oil tank is connected with the side wall of the box-type shell, the transformer body is positioned inside the transformer oil tank, the transformer oil pillow is connected with the transformer oil tank, and the transformer oil pillow is used for circulating plant cooling oil along the inside of the transformer oil tank so that the plant cooling oil is wrapped outside the transformer body;
the transformer oil tank is provided with a sealing channel, and the transformer body is respectively electrically connected with the low-voltage cabinet and the high-voltage inflatable ring main unit through the sealing channel.
In a preferred embodiment of the present invention, the vegetable oil transformer further comprises a heat dissipation mechanism;
the cooling mechanism is located the transformer tank is kept away from one side of box casing, the cooling mechanism with the inside intercommunication of transformer tank, the cooling mechanism is used for right the inside plant cooling oil heat dissipation cooling that circulates of transformer tank.
In a preferred embodiment of the present invention, the box-type housing includes a base, a frame, a first door panel, a second door panel, and a top cover;
the base, the frame and the top cover are sequentially connected, the frame is provided with a door inlet end, the first door plate and the second door plate are arranged in parallel, and the first door plate and the second door plate are connected with the door inlet end of the frame to form the accommodating space;
the transformer oil tank is erected on the surface of the base, which extends out of the frame, and the transformer oil tank is connected with one end, which is far away from the entrance end, of the frame.
In a preferred embodiment of the present invention, the high-low pressure partition is located between the first door panel and the second door panel, the first door panel and the high-low pressure partition form the low pressure sealed space, the second door panel and the high-low pressure partition form the high pressure sealed space, and the first door panel and the second door panel can be opened or closed relative to the frame.
In a preferred embodiment of the invention, the high-pressure inflatable ring main unit comprises a high-pressure cabinet shell, an air box and a high-pressure operating mechanism;
the gas tank is located inside the high-voltage cabinet shell, the high-voltage operating mechanism is located inside the gas tank, and nitrogen is filled in the gas tank.
In a preferred embodiment of the present invention, the high-voltage inflatable ring main unit further includes a first high-voltage sleeve, a high-voltage lightning arrester, and a high-voltage cable;
the high-voltage cabinet shell is connected with the base, the gas tank is positioned at one end of the high-voltage cabinet shell far away from the base, the gas tank is arranged in isolation with the inside of the high-voltage cabinet shell, one end of the high-voltage arrester is connected with the high-voltage operating mechanism, and the other end of the high-voltage arrester extends out of the gas tank and is positioned inside the high-voltage cabinet shell;
the novel high-voltage transformer is characterized in that one end of the first high-voltage sleeve is connected with the high-voltage operating mechanism, the other end of the first high-voltage sleeve extends out of the air tank to form a first sleeve connector, the vegetable oil transformer further comprises a second high-voltage sleeve, one end of the second high-voltage sleeve is connected with the transformer body, the other end of the second high-voltage sleeve extends out of the transformer oil tank to form a second sleeve connector, and two ends of the high-voltage cable are respectively connected with the first sleeve connector and the second sleeve connector in an inserting mode.
In a preferred embodiment of the invention, the first high-voltage bushing and the high-voltage lightning arrester are respectively connected with the gas tank in an insulating and sealing manner, and the second high-voltage bushing is connected with the transformer oil tank in an insulating and sealing manner.
In a preferred embodiment of the invention, a plurality of air boxes are arranged in parallel along the inside of the high-voltage cabinet shell.
In a preferred embodiment of the invention, the low-voltage cabinet comprises a low-voltage cabinet shell, a frame breaker, a plastic shell breaker, a knife-fuse switch and a copper bus;
the frame circuit breaker, the molded case circuit breaker and the knife-fuse switch are all positioned in the low-voltage cabinet shell, and two ends of the copper bus are respectively connected with the frame circuit breaker and the transformer body;
the molded case circuit breaker and the knife-fuse switch are respectively and electrically connected with the frame circuit breaker.
The invention provides an environment-friendly transformer substation, which comprises: the device comprises a box-type shell, a high-voltage inflatable ring main unit, a low-voltage cabinet, a high-voltage and low-voltage partition board and a vegetable oil transformer; the high-low pressure baffle is utilized to divide the accommodating space of the box-type shell into a low-pressure sealing space and a high-pressure sealing space, reasonable division of the inside of the box-type shell is guaranteed, when the vegetable oil transformer penetrates through the side wall of the box-type shell and is respectively electrically connected with the low-voltage cabinet and the high-pressure inflatable ring main unit, reasonable distribution of the circuit of the vegetable oil transformer is achieved, vegetable cooling oil is carried in the vegetable oil transformer, the inside of the transformer can be insulated and radiated, and when an oil leakage accident occurs to the transformer, the vegetable cooling oil can be automatically degraded, pollution to the environment can be reduced, the mineral oil can be polluted if leakage occurs to the inside transformer of the box-type transformer substation in the prior art, and the technical problem that the use of areas with high requirements on equipment environment protection cannot be met is solved.
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 needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an external structure of an environment-friendly transformer substation according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure of an environment-friendly transformer substation according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an internal structure of a receiving space of an environment-friendly transformer substation according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a cross-sectional structure of a high-pressure sealed space of an environment-friendly transformer station according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a cross-sectional structure of a low-pressure sealed space of an environment-friendly transformer station according to an embodiment of the present invention.
Icon: 100-box type shell; 101-a base; 102-a frame; 103-a first door panel; 104-a second door panel; 105-top cover; 200-a high-pressure inflatable ring main unit; 201-a high-voltage cabinet shell; 202, an air box; 203-a high pressure operating mechanism; 204-a first high voltage bushing; 214-a first sleeve connector; 205-high voltage lightning arresters; 206-high voltage cable; 300-a low-voltage cabinet; 301-a low-voltage cabinet shell; 302-frame circuit breaker; 303-plastic case circuit breaker; 304-knife-fuse switch; 305-copper bus; 400-high-low pressure separator; 500-vegetable oil transformers; 501-a transformer oil tank; 502-a transformer body; 503-transformer oil pillow; 504-a heat dissipation mechanism; 505-a second high voltage bushing; 515-second cannula connector.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 5, the environment-friendly transformer substation provided in this embodiment includes: the high-voltage gas-filled ring main unit 200, the low-voltage cabinet 300, the high-low voltage baffle 400 and the vegetable oil transformer 500 are arranged in the box-type shell 100; the box-type housing 100 has a receiving space, and the high-low pressure barrier 400 is extended along the inside of the box-type housing 100, and the high-low pressure barrier 400 is connected with the inner wall of the box-type housing 100 to divide the receiving space into a low-pressure sealing space and a high-pressure sealing space; the vegetable oil transformer 500 is positioned at one side of the box-type shell 100, the vegetable oil transformer 500 is connected with the side wall of the box-type shell 100, and vegetable cooling oil is loaded in the vegetable oil transformer 500; the high-voltage inflatable ring main unit 200 is located inside the high-voltage sealed space, the low-voltage cabinet 300 is located inside the low-voltage sealed space, and the vegetable oil transformer 500 can penetrate through the side wall of the box-type housing 100 to be electrically connected with the low-voltage cabinet 300 and the high-voltage inflatable ring main unit 200 respectively.
It should be noted that, the environment-friendly transformer substation provided by the embodiment can be applied to areas with high environmental protection requirements, so as to avoid the problems that the transformer substation is likely to pollute the environment and has low safety; specifically, the box-type housing 100 is used as a sealed storage structure of an external environment, the box-type housing 100 can be used as a storage structure of the high-voltage inflatable ring main unit 200 and the low-voltage cabinet 300, wherein the low-voltage sealed space and the high-voltage sealed space are separated by the high-voltage and low-voltage partition 400, insulating gas is filled in the high-voltage inflatable ring main unit, the high-voltage inflatable ring main unit 200 and the low-voltage cabinet 300 can be used for outputting high-voltage and low-voltage voltages respectively through the insulating gas, in addition, the vegetable oil transformer 500 is installed outside the box-type housing 100, the vegetable oil transformer 500 can penetrate through the side wall of the box-type housing 100 and is electrically connected with the high-voltage inflatable ring main unit 200 and the low-voltage cabinet 300 respectively, vegetable cooling oil is loaded in the vegetable oil transformer 500 and used as environment-friendly cooling liquid, the vegetable oil transformer 500 can be used for insulating and radiating, when the transformer is subjected to oil leakage accidents, the vegetable oil transformer can be degraded automatically, and pollution to the environment can be reduced.
The environment-friendly transformer substation provided by the embodiment comprises: the high-voltage gas-filled ring main unit 200, the low-voltage cabinet 300, the high-low voltage baffle 400 and the vegetable oil transformer 500 are arranged in the box-type shell 100; the high-low pressure baffle 400 is utilized to divide the accommodating space of the box-type shell 100 into a low-pressure sealing space and a high-pressure sealing space, so that reasonable division of the inside of the box-type shell 100 is ensured, when the vegetable oil transformer 500 penetrates through the side wall of the box-type shell 100 and is respectively electrically connected with the low-pressure cabinet 300 and the high-pressure inflatable ring main unit 200, reasonable distribution of the circuit of the vegetable oil transformer 500 is realized, vegetable cooling oil is loaded in the vegetable oil transformer 500, the inside of the transformer can be insulated and radiated by the vegetable cooling oil, and when an oil leakage accident occurs in the transformer, the vegetable cooling oil can be automatically degraded, so that the pollution to the environment can be reduced, the mineral oil filled in the transformer in the box-type transformer substation in the prior art can pollute the environment if leakage occurs, and the technical problem that the transformer is used in areas with high requirements on equipment environment protection can not be satisfied can be solved.
Further to the above embodiments, in a preferred embodiment of the present invention, the vegetable oil transformer 500 includes a transformer tank 501, a transformer body 502 and a transformer sleeper 503; the transformer oil tank 501 is connected with the side wall of the box-type shell 100, the transformer body 502 is positioned inside the transformer oil tank 501, the transformer oil pillow 503 is connected with the transformer oil tank 501, and the transformer oil pillow 503 is used for circulating plant cooling oil along the inside of the transformer oil tank 501 so that the plant cooling oil is wrapped outside the transformer body 502; the transformer tank 501 has a sealed channel through which the transformer body 502 is electrically connected to the low voltage cabinet 300 and the high voltage gas-filled ring main unit 200, respectively.
In this embodiment, the transformer tank 501 is used as a sealed housing, the transformer body 502 is completely contained in the transformer tank 501, the transformer body 502 can be electrically connected with the low-voltage cabinet 300 and the high-voltage inflatable ring main unit 200 respectively, the transformer body 502 can be used for conveying high and low voltages of the low-voltage cabinet 300 and the high-voltage inflatable ring main unit, the transformer tank 501 can be communicated with the inside of the transformer oil pillow 503, the transformer oil pillow 503 can create conditions for expansion and contraction of plant cooling liquid flowing in the transformer oil tank 501, so that the transformer oil tank 501 is filled with oil under any air temperature and running condition, the plant cooling oil is only in contact with air in the transformer oil pillow 503, the contact surface with air is reduced, the wetting and oxidation opportunities of the plant cooling oil are reduced, the oil temperature in the transformer oil pillow is lower than the oil temperature in the oil tank, the oxidation speed is also reduced, and the aging of the oil is facilitated to be slowed down; the water absorbed by the plant cooling oil from the air is deposited in the dirt collector at the bottom of the conservator so as to be discharged periodically, so that the water cannot enter the transformer oil tank 501, and the service life of the plant cooling oil is ensured.
In a preferred embodiment of the present invention, vegetable oil transformer 500 further comprises a heat dissipation mechanism 504; the heat dissipation mechanism 504 is located on one side of the transformer oil tank 501 far away from the box-type housing 100, the heat dissipation mechanism 504 is communicated with the inside of the transformer oil tank 501, and the heat dissipation mechanism 504 is used for dissipating heat and cooling plant cooling oil flowing in the inside of the transformer oil tank 501.
In this embodiment, the heat dissipation mechanism 504 can be communicated with the inside of the transformer oil tank 501, the heat dissipation mechanism 504 can adopt a radiator, the plant cooling oil enters into the heat dissipation mechanism 504 through a tube side, the cooling fluid circulates in a shell side of the heat dissipation mechanism 504, and the heat dissipation mechanism 504 can be utilized to continuously dissipate the heat of the plant cooling oil in the transformer oil tank 501.
Alternatively, the heat dissipation mechanism 504 may employ a variety of types, such as: a water-cooled radiator, an air-cooled radiator, or the like.
In the preferred embodiment of the present invention, the box housing 100 includes a base 101, a frame 102, a first door panel 103, a second door panel 104, and a top cover 105; the base 101, the frame 102 and the top cover 105 are sequentially connected, the frame 102 is provided with an entrance end, the first door plate 103 and the second door plate 104 are arranged in parallel, and the first door plate 103 and the second door plate 104 are connected with the entrance end of the frame 102 to form a containing space; the end of the base 101 remote from the entrance end of the frame 102 extends out of the frame 102, the transformer tank 501 is mounted on the surface of the base 101 extending out of the frame 102, and the transformer tank 501 is connected with the end of the frame 102 remote from the entrance end.
In this embodiment, the box-type housing 100 is a rectangular housing, the base 101 may be formed by welding channel steel, and may be used to carry the high-voltage inflatable ring main unit 200, the vegetable oil transformer 500 and the low-voltage cabinet 300, the frame 102 may be formed by bending steel plates, and welded to the upper portion of the channel steel of the base 101, and the frame 102 may form a sealed space with the first door plate 103, the second door plate 104 and the top cover 105, so as to ensure the sealing effect of the box-type housing 100 on the transformer substation; the vegetable oil transformer 500 is located at one side of the base 101 extending out of the frame 102, that is, the vegetable oil transformer 500 can be placed on the base 101, and meanwhile, the vegetable oil transformer 500 can be fixedly connected with a side wall of the frame 102 far away from the entrance end, so that the vegetable oil transformer 500 can extend into the frame 102 through a sealing channel.
In a preferred embodiment of the present invention, the high-low pressure barrier 400 is located between the first door panel 103 and the second door panel 104, the first door panel 103 and the high-low pressure barrier 400 form a low-pressure sealed space, the second door panel 104 and the high-low pressure barrier 400 form a high-pressure sealed space, and the first door panel 103 and the second door panel 104 can be opened or closed with respect to the frame 102.
In this embodiment, the first door panel 103 and the second door panel 104 can be distinguished with respect to the high-low pressure partition 400, the first door panel 103 can form a sealed low-pressure sealed space with the side wall of the frame 102 and the high-low pressure partition 400, at this time, the low-pressure cabinet 300 is accommodated in the low-pressure sealed space, and when the low-pressure cabinet 300 needs to be operated, the first door panel 103 is opened with respect to the frame 102; the second door panel 104 can form airtight high-pressure sealed space with the lateral wall of frame 102 and high-low pressure baffle 400, and high-pressure inflatable looped netowrk cabinet 200 holding is in high-pressure sealed space this moment, when needs are operated high-pressure inflatable looped netowrk cabinet 200, utilize second door panel 104 for frame 102 open can, utilize the arrangement of high-low pressure baffle 400 and first door panel 103 and second door panel 104, can rationally carry out reasonable planning to box-type housing 100 inside, on the basis of having guaranteed the high-low pressure separation arrangement of transformer substation, can also save box-type housing 100's arrangement space, saved area.
In a preferred embodiment of the present invention, the high-pressure inflatable ring main unit 200 includes a high-pressure cabinet housing 201, an air box 202, and a high-pressure operating mechanism 203; the gas tank 202 is located inside the high-voltage cabinet housing 201, the high-voltage operating mechanism 203 is located inside the gas tank 202, and nitrogen is filled in the gas tank 202.
In this embodiment, the high-voltage cabinet housing 201 may be formed by bending, welding and assembling steel plates, the high-voltage cabinet housing 201 is used to bear the high-voltage operating mechanism 203 and the gas tank 202, the gas tank 202 may be a stainless steel gas tank 202, the high-voltage operating mechanism 203 may be installed inside the gas tank 202, nitrogen is filled inside the gas tank 202 and used as environment-friendly gas, and may be used for high-voltage insulation arc extinction, and nitrogen is inert gas, so that the discharge distance of high-voltage electricity may be greatly reduced, the high-voltage volume may be further reduced, and SF is avoided 6 And toxic gas is released, so that the corresponding technical problem of environmental pollution can be caused.
In the preferred embodiment of the present invention, the high voltage inflatable ring main unit 200 further comprises a first high voltage bushing 204, a high voltage arrester 205, and a high voltage cable 206; the high-voltage cabinet shell 201 is connected with the base 101, the gas tank 202 is positioned at one end of the high-voltage cabinet shell 201 far away from the base 101, the gas tank 202 is arranged in an isolated manner with the inside of the high-voltage cabinet shell 201, one end of the high-voltage arrester 205 is connected with the high-voltage operating mechanism 203, and the other end of the high-voltage arrester 205 extends out of the gas tank 202 and is positioned inside the high-voltage cabinet shell 201; one end of the first high-voltage sleeve 204 is connected with the high-voltage operating mechanism 203, the other end of the first high-voltage sleeve 204 extends out of the gas tank 202 and is provided with a first sleeve connector 214, the vegetable oil transformer 500 further comprises a second high-voltage sleeve 505, one end of the second high-voltage sleeve 505 is connected with the transformer body 502, the other end of the second high-voltage sleeve 505 extends out of the transformer oil tank 501 and is provided with a second sleeve connector 515, and two ends of the high-voltage cable 206 are respectively connected with the first sleeve connector 214 and the second sleeve connector 515 in an inserting mode.
In this embodiment, in order to ensure a high-voltage connection structure between the high-voltage operating mechanism 203 and the vegetable oil transformer 500, the end portion of the gas tank 202 may be sealed to extend out of the high-voltage lightning arrester 205 and the first high-voltage bushing 204, where the high-voltage lightning arrester 205 is capable of resisting huge electromagnetic energy generated when the transformer substation or the power transmission line is subjected to lightning strike impact or overvoltage impact, so as to protect the high-voltage operating mechanism 203; the first high-voltage bushing 204 can bear the high-voltage current and carry, and simultaneously one end of the first high-voltage bushing 204 is electrically connected with the high-voltage operating mechanism 203, and the other end is provided with a first bushing connector 214, and the first bushing connector 214 can be connected with the high-voltage cable 206 in a plugging manner, and likewise, the transformer oil tank 501 can be sealed to extend to ensure the extension of the second high-voltage bushing 505, and one end of the second high-voltage bushing 505 is connected with the transformer body 502, and the other end is provided with a second bushing connector 515, and the second bushing connector 515 can be connected with the other end of the high-voltage cable 206 in a plugging manner.
In the preferred embodiment of the present invention, the first high voltage bushing 204 and the high voltage arrester 205 are respectively connected to the gas tank 202 in an insulating and sealing manner, and the second high voltage bushing 505 is connected to the transformer oil tank 501 in an insulating and sealing manner.
In this embodiment, the first high-voltage bushing 204 and the second high-voltage bushing 505 may be insulating bushings, the first high-voltage bushing 204 may be extended in a sealing manner by a flange, and the second high-voltage bushing 505 may be extended in a sealing manner by a flange.
In the preferred embodiment of the present invention, a plurality of gas boxes 202 are provided, and the plurality of gas boxes 202 are arranged side by side along the inside of the high-voltage cabinet housing 201.
In this embodiment, the gas tanks 202 may be arranged in a parallel manner, and other tank structures of the high-voltage tank housing 201 may be sequentially arranged in a "delta" structure in the vertical direction for the gas tanks 202, so as to ensure reasonable internal planning of the high-voltage sealing space, so as to save the overall arrangement space of the tank housing 100 and save the occupied area.
In the preferred embodiment of the present invention, low-voltage cabinet 300 includes a low-voltage cabinet housing 301, a frame circuit breaker 302, a molded case circuit breaker 303, a knife-fuse switch 304, and a copper busbar 305; the frame circuit breaker 302, the molded case circuit breaker 303 and the knife-fuse switch 304 are all positioned inside the low-voltage cabinet shell 301, and two ends of the copper bus 305 are respectively connected with the frame circuit breaker 302 and the transformer body 502; the molded case circuit breaker 303 and the knife-fuse switch 304 are electrically connected to the frame circuit breaker 302, respectively.
In this embodiment, the low-voltage side of the transformer body 502 may be electrically connected with the inside of the low-voltage cabinet 300 through the copper bus 305, the low-voltage cabinet housing 301 may be used as a bearing structure of the frame circuit breaker 302, the molded case circuit breaker 303 and the knife-fuse switch 304, where the frame circuit breaker 302 is a mechanical switch device capable of switching on, bearing and breaking current under normal circuit conditions, and also capable of switching on and breaking current under specified normal circuit conditions, the molded case circuit breaker 303 is used as a device circuit breaker to mount contacts, arc extinguishing chambers, trips, operating mechanisms and the like in a plastic housing, and the knife-fuse switch 304 may be combined with the frame circuit breaker 302 to form a switch device; since the specific operations of the frame circuit breaker 302, the molded case circuit breaker 303, and the knife-fuse switch 304 in the low-voltage cabinet 300 are known in the art, they will not be described herein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. An environment-friendly transformer station, comprising: the high-voltage gas-filled ring main unit comprises a box type shell (100), a high-voltage gas-filled ring main unit (200), a low-voltage cabinet (300), a high-voltage and low-voltage partition board (400) and a vegetable oil transformer (500);
the box-type shell (100) is provided with a containing space, the high-low pressure partition plate (400) is arranged along the inside of the box-type shell (100) in an extending mode, and the high-low pressure partition plate (400) is connected with the inner wall of the box-type shell (100) so as to divide the containing space into a low-pressure sealing space and a high-pressure sealing space;
the vegetable oil transformer (500) is positioned at one side of the box-type shell (100), the vegetable oil transformer (500) is connected with the side wall of the box-type shell (100), and vegetable cooling oil is loaded in the vegetable oil transformer (500);
the high-voltage inflatable ring main unit (200) is located inside the high-voltage sealed space, the low-voltage cabinet (300) is located inside the low-voltage sealed space, and the vegetable oil transformer (500) can penetrate through the side wall of the box-type shell (100) to be electrically connected with the low-voltage cabinet (300) and the high-voltage inflatable ring main unit (200) respectively.
2. The environment-friendly substation according to claim 1, characterized in that the vegetable oil transformer (500) comprises a transformer tank (501), a transformer body (502) and a transformer sleeper (503);
the transformer oil tank (501) is connected with the side wall of the box-type shell (100), the transformer body (502) is positioned inside the transformer oil tank (501), the transformer oil pillow (503) is connected with the transformer oil tank (501), and the transformer oil pillow (503) is used for circulating plant cooling oil along the inside of the transformer oil tank (501) so that the plant cooling oil is wrapped outside the transformer body (502);
the transformer oil tank (501) is provided with a sealing channel, and the transformer body (502) is electrically connected with the low-voltage cabinet (300) and the high-voltage inflatable ring main unit (200) respectively through the sealing channel.
3. A station as claimed in claim 2, characterized in that said vegetable oil transformer (500) further comprises a heat dissipation mechanism (504);
the cooling mechanism (504) is located on one side, far away from the box-type shell (100), of the transformer oil tank (501), the cooling mechanism (504) is communicated with the inside of the transformer oil tank (501), and the cooling mechanism (504) is used for cooling plant cooling oil flowing in the inside of the transformer oil tank (501).
4. The environment-friendly substation of claim 2 wherein the box-type housing (100) comprises a base (101), a frame (102), a first door panel (103), a second door panel (104) and a top cover (105);
the base (101), the frame (102) and the top cover (105) are sequentially connected, the frame (102) is provided with an entrance end, the first door plate (103) and the second door plate (104) are arranged in parallel, and the first door plate (103) and the second door plate (104) are connected with the entrance end of the frame (102) to form the accommodating space;
the transformer oil tank (501) is erected on the surface of the base (101) extending out of the frame (102), and the transformer oil tank (501) is connected with one end of the frame (102) away from the entrance end.
5. The environment-friendly substation according to claim 4, wherein the high-low pressure partition (400) is located between the first door plate (103) and the second door plate (104), the first door plate (103) and the high-low pressure partition (400) form the low-pressure sealed space, the second door plate (104) and the high-low pressure partition (400) form the high-pressure sealed space, and the first door plate (103) and the second door plate (104) can be opened or closed relative to the frame (102).
6. The environment-friendly substation according to claim 5, characterized in that the high-pressure inflatable ring main unit (200) comprises a high-pressure cabinet housing (201), an air box (202) and a high-pressure operating mechanism (203);
the gas tank (202) is located inside the high-voltage cabinet shell (201), the high-voltage operating mechanism (203) is located inside the gas tank (202), and nitrogen is filled in the gas tank (202).
7. The environment-friendly substation of claim 6 wherein the high voltage inflatable ring main unit (200) further comprises a first high voltage bushing (204), a high voltage arrester (205) and a high voltage cable (206);
the high-voltage cabinet is characterized in that the high-voltage cabinet shell (201) is connected with the base (101), the gas tank (202) is located at one end, far away from the base (101), of the high-voltage cabinet shell (201), the gas tank (202) is arranged in an isolated mode with the inside of the high-voltage cabinet shell (201), one end of the high-voltage lightning arrester (205) is connected with the high-voltage operating mechanism (203), and the other end of the high-voltage lightning arrester (205) extends out of the gas tank (202) and is located inside the high-voltage cabinet shell (201);
one end of the first high-voltage sleeve (204) is connected with the high-voltage operating mechanism (203), the other end of the first high-voltage sleeve (204) extends out of the air box (202) and is provided with a first sleeve connector (214), the vegetable oil transformer (500) further comprises a second high-voltage sleeve (505), one end of the second high-voltage sleeve (505) is connected with the transformer body (502), the other end of the second high-voltage sleeve (505) extends out of the transformer oil tank (501) and is provided with a second sleeve connector (515), and two ends of the high-voltage cable (206) are respectively spliced with the first sleeve connector (214) and the second sleeve connector (515).
8. The environment-friendly transformer substation according to claim 7, characterized in that the first high-voltage bushing (204) and the high-voltage arrester (205) are respectively connected with the gas tank (202) in an insulating and sealing manner, and the second high-voltage bushing (505) is connected with the transformer tank (501) in an insulating and sealing manner.
9. An environment-friendly substation according to claim 6, characterized in that a plurality of said gas boxes (202) are provided, a plurality of said gas boxes (202) being arranged side by side along the inside of said high-voltage cabinet housing (201).
10. The environment-friendly substation according to any of the claims 5-9, characterized in that the low-voltage cabinet (300) comprises a low-voltage cabinet housing (301), a frame circuit breaker (302), a plastic case circuit breaker (303), a knife-fuse switch (304) and a copper busbar (305);
the frame circuit breaker (302), the molded case circuit breaker (303) and the knife-fuse switch (304) are all positioned inside the low-voltage cabinet shell (301), and two ends of the copper bus (305) are respectively connected with the frame circuit breaker (302) and the transformer body (502);
the molded case circuit breaker (303) and the fuse switch (304) are electrically connected with the frame circuit breaker (302) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310643966.6A CN116581680A (en) | 2023-05-31 | 2023-05-31 | Environment-friendly transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310643966.6A CN116581680A (en) | 2023-05-31 | 2023-05-31 | Environment-friendly transformer station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116581680A true CN116581680A (en) | 2023-08-11 |
Family
ID=87545194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310643966.6A Pending CN116581680A (en) | 2023-05-31 | 2023-05-31 | Environment-friendly transformer station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116581680A (en) |
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2023
- 2023-05-31 CN CN202310643966.6A patent/CN116581680A/en active Pending
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