CN114093607B - Heat dissipation protection shell for transformer - Google Patents
Heat dissipation protection shell for transformer Download PDFInfo
- Publication number
- CN114093607B CN114093607B CN202111504677.5A CN202111504677A CN114093607B CN 114093607 B CN114093607 B CN 114093607B CN 202111504677 A CN202111504677 A CN 202111504677A CN 114093607 B CN114093607 B CN 114093607B
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- Prior art keywords
- shell
- transformer
- heat dissipation
- heat
- side wall
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/33—Arrangements for noise damping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Transformer Cooling (AREA)
Abstract
The utility model discloses a heat dissipation protection shell for a transformer, which comprises a shell, fins fixed on the periphery of the outer side wall of the shell, heat dissipation through holes arranged on the side wall of the shell and positioned between fin intervals, and an umbrella cover fixedly connected above the top of the shell, wherein the fins are arranged on the side wall of the shell; the upper end of the shell is open; the top fixed mounting has the rotating electrical machines in the chute cover, fixed mounting has the flabellum that is located the uncovered top of casing in the central pivot of rotating electrical machines. According to the heat radiation protection shell for the transformer, air cooling heat radiation is provided by rotation of the fan blades, heat is discharged out of the shell through the heat radiation through holes, heat exchange and heat radiation are performed by using cooling oil in the hollow channel and heat generated by the transformer, and the heat exchange area is increased by using the fins; according to the embodiment, the umbrella cover for covering solar energy is used for covering the upper portion of the shell, on one hand, electric energy can be generated to supply to the rotating motor and the circulating pump for use, on the other hand, the shell transformer can be kept clean, and the heat dissipation performance of the transformer is greatly improved.
Description
Technical Field
The utility model relates to a heat dissipation protection shell for a transformer, and belongs to the technical field of power equipment.
Background
The transformer is basic equipment for power transmission and distribution, and is widely applied to the fields of industry, agriculture, traffic, urban communities and the like. A transformer is a device for changing an ac voltage using the principle of electromagnetic induction, and is mainly composed of a primary coil, a secondary coil, and a core (magnetic core). In electrical equipment and wireless circuits, it is often used as a step-up voltage, a matching impedance, a safety isolation, etc. In a generator, an electrical potential is induced in the coil, whether the coil is moved through a magnetic field or a magnetic field is moved through a stationary coil. In both cases, the value of the magnetic flux is unchanged, but the amount of the magnetic flux crossing the coil varies, which is the principle of mutual induction. A transformer is a device that converts voltage, current and impedance using electromagnetic mutual induction.
The main functions of the transformer are as follows: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), and the like, can be classified into: power transformers and special transformers.
The existing transformer shell is generally not provided with a structure which is specially used for improving heat dissipation efficiency, but the existing transformer protective shell device is not particularly good in heat dissipation effect due to structural reasons, the inside coil is quite likely to be irreversibly damaged, the transformer is often damaged due to overhigh temperature and even is burnt and exploded due to slow heat dissipation, and accordingly power failure, fire accidents and the like in a large-area are caused, public property loss is easy to cause, serious people even explode, and life and property safety of people is threatened.
Patent publication number CN105428009a relates to a transformer protective housing and a transformer device using the same. The transformer protective shell comprises side walls, shell wall surfaces formed by any side surfaces of the side walls are detachably fixed on adjacent shell wall surfaces through plug-in fixing structures, the plug-in fixing structures comprise jack structures and plug pin structures which are respectively fixed at the joint of the two shell wall surfaces, and the plug pin structures are positioned and plugged in the jack structures; the plug-in fixing structure also comprises a connecting folded edge fixed on one of the two adjacent shell wall surfaces, and the connecting folded edge is tightly attached to and fixed on the other shell wall surface through a threaded fastener. The threaded fastener and the connecting folded edge can play a role in positioning two adjacent shell wall surfaces, the bolt structure and the jack structure can be conveniently detached and installed when playing a role in positioning and connecting, the bolt structure and the jack structure are not easy to loose, firm connection and quick detachment can be realized by matching with the threaded fastener, the bolt structure is convenient to carry, install and maintain, and the operation efficiency can be effectively improved.
The patent discloses be CN204257325U, discloses a dry-type transformer housing's mounting structure that makes an uproar falls, including installing subaerial shell body and the transformer installation base in transformer room, the shell body is towards lower extreme open-ended box structure and is the cuboid shape, the transformer installation base be with the lower extreme open-ended shape matched with cuboid structure of shell body, the lower part of the internal face of four lateral walls of shell body sets up an inwards protruding boss respectively, set up a recess with corresponding boss matched with on the external face of four lateral walls of transformer installation base respectively, the transformer installation base with every the boss joint is correspondingly in the lower extreme opening of shell body is installed to the mode in the recess, every all be provided with the shock attenuation rubber pad between boss and the corresponding recess. The noise reduction installation structure can effectively reduce the noise of the dry-type transformer.
Both of the above patents, although providing a protective object for the transformer, do not address the heat dissipation problem of the transformer.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a heat dissipation protection shell for a transformer, which adopts an air-cooled oil-cooled combined structure to improve the heat dissipation efficiency of the transformer.
In order to solve the problems, the utility model adopts the following technical scheme:
a heat dissipation protection shell for a transformer comprises a shell, fins fixed on the periphery of the outer side wall of the shell, heat dissipation through holes formed in the side wall of the shell and located between fin intervals, and an umbrella cover fixedly connected above the top of the shell;
the upper end of the shell is open;
the top fixed mounting has the rotating electrical machines in the chute cover, fixed mounting has the flabellum that is located the uncovered top of casing in the central pivot of rotating electrical machines.
As a further improvement of the utility model, the shell is of a double-layer middle structure, and the inside of the shell is a hollow channel; and cooling oil is filled in the hollow channel.
As a further improvement of the utility model, the device also comprises a circulating pump communicated with the hollow channel, and the circulating pump is fixed on the outer side wall of the shell.
As a further improvement of the utility model, the bottom of the shell is fixedly provided with 4-6 transformer pad seats.
As a further improvement of the utility model, the umbrella cover is an arc-shaped cover, and the outer part of the umbrella cover is covered with a solar panel.
As a further improvement of the utility model, the umbrella cover is a tower-shaped cover, and the outer part of the umbrella cover is covered with a solar panel.
The electric energy converted by the solar cell panel is stored in the energy accumulator, the circulating pump and the rotating motor are respectively and electrically connected with the energy accumulator, and the energy accumulator provides electric energy for the circulating pump and the rotating motor.
As a further improvement of the utility model, the bottom of the shell is fixedly provided with a fixed mounting base.
As a further improvement of the utility model, a first mounting groove and a second mounting groove are fixedly arranged below the fixed mounting base; the first mounting groove is located below the fixed mounting base outside the shell, and the second mounting groove is located below the fixed mounting base inside the shell.
As a further improvement of the utility model, the first mounting groove and the second mounting groove are both channel steel.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
according to the heat radiation protection shell for the transformer, air cooling heat radiation is provided by rotation of the fan blades, heat is discharged out of the shell through the heat radiation through holes, heat exchange and heat radiation are performed by using cooling oil in the hollow channel and heat generated by the transformer, and the heat exchange area is increased by using the fins; according to the embodiment, the umbrella cover covering solar energy is used for covering the upper side of the shell, so that on one hand, electric energy can be generated to supply to the rotating motor and the circulating pump for use, and on the other hand, the cleanness of the shell transformer can be kept, and the heat dissipation of the transformer is greatly improved; the bottom of the shell is provided with a fixed mounting base and a channel steel type mounting groove, so that the shell is convenient to be fixedly mounted on the cross arm.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of a first embodiment of the present utility model;
FIG. 4 is a schematic diagram of the transformer pad of the present utility model;
FIG. 5 is a schematic cross-sectional view of a third embodiment of the present utility model;
fig. 6 is a schematic block diagram of the solar energy storage and power supply of the present utility model.
Wherein:
1 shell, 2 fins, 3 heat dissipation through holes, 4 umbrella covers, 5 rotating motors, 6 central rotating shafts, 7 fan blades, 8 circulating pumps, 9 hollow channels, 10 transformer pad seats, 11 fixed mounting bases, 12 first mounting grooves and 13 second mounting grooves.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation.
Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Example 1
As shown in fig. 1, 3, 4 and 6, a heat dissipation protection shell for a transformer comprises a shell 1, fins 2 fixed on the periphery of the outer side wall of the shell 1, heat dissipation through holes 3 arranged on the side wall of the shell 1 and positioned between the intervals of the fins 2, and an umbrella cover 4 fixedly connected above the top of the shell 1; the upper end of the shell 1 is open;
the top in the umbrella cover 4 is fixedly provided with a rotating motor 5, and a fan blade 7 positioned above the opening of the shell 1 is fixedly arranged on a central rotating shaft 6 of the rotating motor 5.
Further, in this embodiment, the housing 1 has a double-layer middle structure, and a hollow channel 9 is formed inside the housing; the hollow passage 9 is filled with cooling oil.
The embodiment further comprises a circulating pump 8 communicated with the hollow channel 9, and the circulating pump 8 is fixed on the outer side wall of the shell 1.
Further, in this embodiment, 4-6 transformer pad seats 11 are fixedly installed at the bottom of the housing 1.
In this embodiment, the umbrella cover 4 is an arc cover, and the solar panel is covered on the outside of the umbrella cover.
The electric energy converted by the solar cell panel is stored in an energy accumulator, and the circulating pump 8 and the rotating motor 5 are respectively and electrically connected with the energy accumulator, and the energy accumulator provides electric energy for the circulating pump 8 and the rotating motor 5.
According to the heat radiation protection shell for the transformer, the fan blades 7 are utilized to rotate to provide air cooling heat radiation, heat is discharged out of the shell through the heat radiation through holes 3, heat exchange and heat radiation are carried out by utilizing cooling oil in the hollow channels 9 and heat generated by the transformer, and the heat exchange area is increased by utilizing the fins 2; the umbrella cover 4 covering solar energy is used for covering the upper side of the shell, on one hand, electric energy can be generated to supply to the rotating motor and the circulating pump for use, on the other hand, the transformer of the shell can be kept clean, and the heat dissipation performance of the transformer is greatly improved.
Example two
As shown in fig. 2, 3, 4 and 6, a heat dissipation protection shell for a transformer comprises a shell 1, fins 2 fixed on the periphery of the outer side wall of the shell 1, heat dissipation through holes 3 arranged on the side wall of the shell 1 and positioned between the intervals of the fins 2, and an umbrella cover 4 fixedly connected above the top of the shell 1; the upper end of the shell 1 is open;
the top in the umbrella cover 4 is fixedly provided with a rotating motor 5, and a fan blade 7 positioned above the opening of the shell 1 is fixedly arranged on a central rotating shaft 6 of the rotating motor 5.
Further, in this embodiment, the housing 1 has a double-layer middle structure, and a hollow channel 9 is formed inside the housing; the hollow passage 9 is filled with cooling oil.
The embodiment further comprises a circulating pump 8 communicated with the hollow channel 9, and the circulating pump 8 is fixed on the outer side wall of the shell 1.
Further, in this embodiment, 4-6 transformer pad seats 11 are fixedly installed at the bottom of the housing 1.
In this embodiment, the umbrella cover 4 is a tower-shaped cover, and the outer part of the umbrella cover is covered with a solar panel.
The electric energy converted by the solar cell panel is stored in an energy accumulator, and the circulating pump 8 and the rotating motor 5 are respectively and electrically connected with the energy accumulator, and the energy accumulator provides electric energy for the circulating pump 8 and the rotating motor 5.
The difference between the first embodiment and the second embodiment is that the umbrella cover 4 is a tower-shaped cover, so that the solar panel is more convenient to install.
Example III
As shown in fig. 3, 4, 5 and 6, a heat dissipation protection shell for a transformer comprises a shell 1, fins 2 fixed on the periphery of the outer side wall of the shell 1, heat dissipation through holes 3 arranged on the side wall of the shell 1 and positioned between the intervals of the fins 2, and an umbrella cover 4 fixedly connected above the top of the shell 1; the upper end of the shell 1 is open;
the top in the umbrella cover 4 is fixedly provided with a rotating motor 5, and a fan blade 7 positioned above the opening of the shell 1 is fixedly arranged on a central rotating shaft 6 of the rotating motor 5.
Further, in this embodiment, the housing 1 has a double-layer middle structure, and a hollow channel 9 is formed inside the housing; the hollow passage 9 is filled with cooling oil.
The embodiment further comprises a circulating pump 8 communicated with the hollow channel 9, and the circulating pump 8 is fixed on the outer side wall of the shell 1.
Further, in this embodiment, 4-6 transformer pad seats 11 are fixedly installed at the bottom of the housing 1.
In this embodiment, the umbrella cover 4 is an arc cover, and the solar panel is covered on the outside of the umbrella cover.
The electric energy converted by the solar cell panel is stored in an energy accumulator, and the circulating pump 8 and the rotating motor 5 are respectively and electrically connected with the energy accumulator, and the energy accumulator provides electric energy for the circulating pump 8 and the rotating motor 5.
Further, in this embodiment, a fixed mounting base 11 is fixedly mounted at the bottom of the housing 1.
Further, in this embodiment, a first mounting groove 12 and a second mounting groove 13 are fixedly installed below the fixed mounting base 11;
the first mounting groove 12 is located below the fixed mounting base 11 on the outer side of the housing 1, and the second mounting groove 13 is located below the fixed mounting base 11 on the inner side of the housing 1.
In this embodiment, the first installation groove 12 and the second installation groove 13 are both channel steel.
In this embodiment, on the basis of the first embodiment, a fixed mounting base 11 and a channel steel type mounting groove are added, so that the fixed mounting to the platform cross arm is facilitated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model 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 of the technical features thereof can be replaced by equivalents; it is obvious to a person skilled in the art to combine several embodiments of the utility model. Such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (1)
1. The utility model provides a heat dissipation protection casing for transformer which characterized in that: the umbrella comprises a shell (1), fins (2) fixed on the periphery of the outer side wall of the shell (1), heat dissipation through holes (3) formed in the side wall of the shell (1) and positioned between the intervals of the fins (2), and an umbrella cover (4) fixedly connected above the top of the shell (1); the upper end of the shell (1) is open; a rotating motor (5) is fixedly arranged at the inner top of the umbrella cover (4), and fan blades (7) positioned above the opening of the shell (1) are fixedly arranged on a central rotating shaft (6) of the rotating motor (5); the fan blades (7) are utilized to rotate to provide air cooling heat dissipation, and the heat is discharged out of the shell (1) through the heat dissipation through holes (3); the shell (1) is of a double-layer middle structure, and a hollow channel (9) is formed in the shell; the hollow channel (9) is filled with cooling oil; the circulating pump (8) is communicated with the hollow channel (9), and the circulating pump (8) is fixed on the outer side wall of the shell (1); 4-6 transformer pad seats (11) are fixedly arranged at the bottom of the shell (1); the umbrella cover (4) is an arc-shaped cover or a tower-shaped cover, and the outer part of the umbrella cover is covered with a solar panel; the electric energy converted by the solar cell panel is stored in an energy accumulator, the circulating pump (8) and the rotating motor (5) are respectively and electrically connected with the energy accumulator, and the energy accumulator provides electric energy for the circulating pump (8) and the rotating motor (5); a fixed mounting base (11) is fixedly mounted at the bottom of the shell (1); a first mounting groove (12) and a second mounting groove (13) are fixedly arranged below the fixed mounting base (11); the first mounting groove (12) is positioned below the fixed mounting base (11) on the outer side of the shell (1), and the second mounting groove (13) is positioned below the fixed mounting base (11) on the inner side of the shell (1); the first mounting groove (12) and the second mounting groove (13) are made of channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111504677.5A CN114093607B (en) | 2021-12-10 | 2021-12-10 | Heat dissipation protection shell for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111504677.5A CN114093607B (en) | 2021-12-10 | 2021-12-10 | Heat dissipation protection shell for transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114093607A CN114093607A (en) | 2022-02-25 |
| CN114093607B true CN114093607B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111504677.5A Active CN114093607B (en) | 2021-12-10 | 2021-12-10 | Heat dissipation protection shell for transformer |
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| CN (1) | CN114093607B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117976368B (en) * | 2024-04-02 | 2024-06-07 | 中骏智能(泉州)有限公司 | Energy-saving dry-type transformer for energy storage power station |
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| CN101692384A (en) * | 2009-10-18 | 2010-04-07 | 彭伟简 | Forced oil circulation water-cooling radiator |
| CN104577826A (en) * | 2015-01-01 | 2015-04-29 | 袁茂银 | Radiating system for box-type substation and application thereof |
| CN206059094U (en) * | 2016-08-19 | 2017-03-29 | 广州市花都区广尔中电子厂 | A kind of transformator with chiller |
| CN211455479U (en) * | 2019-08-07 | 2020-09-08 | 江西鑫固电气有限公司 | Low-energy-consumption fully-sealed oil-immersed air-cooled power transformer |
| CN112509786A (en) * | 2020-11-25 | 2021-03-16 | 江苏恒屹变压器股份有限公司 | Explosion-proof anti-solarization transformer convenient to dissipate heat |
| CN213752235U (en) * | 2020-12-31 | 2021-07-20 | 苏州国网同方电力建设工程有限公司 | Energy-saving transformer for substation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003203619A1 (en) * | 2002-04-23 | 2003-11-06 | Puretec Co., Ltd | Method and device for cooling high voltage transformer for microwave oven |
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2021
- 2021-12-10 CN CN202111504677.5A patent/CN114093607B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101692384A (en) * | 2009-10-18 | 2010-04-07 | 彭伟简 | Forced oil circulation water-cooling radiator |
| CN104577826A (en) * | 2015-01-01 | 2015-04-29 | 袁茂银 | Radiating system for box-type substation and application thereof |
| CN206059094U (en) * | 2016-08-19 | 2017-03-29 | 广州市花都区广尔中电子厂 | A kind of transformator with chiller |
| CN211455479U (en) * | 2019-08-07 | 2020-09-08 | 江西鑫固电气有限公司 | Low-energy-consumption fully-sealed oil-immersed air-cooled power transformer |
| CN112509786A (en) * | 2020-11-25 | 2021-03-16 | 江苏恒屹变压器股份有限公司 | Explosion-proof anti-solarization transformer convenient to dissipate heat |
| CN213752235U (en) * | 2020-12-31 | 2021-07-20 | 苏州国网同方电力建设工程有限公司 | Energy-saving transformer for substation |
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| CN114093607A (en) | 2022-02-25 |
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