CN219892025U - Transformer using novel insulating material - Google Patents
Transformer using novel insulating material Download PDFInfo
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- CN219892025U CN219892025U CN202320757363.4U CN202320757363U CN219892025U CN 219892025 U CN219892025 U CN 219892025U CN 202320757363 U CN202320757363 U CN 202320757363U CN 219892025 U CN219892025 U CN 219892025U
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- 239000011810 insulating material Substances 0.000 title claims abstract description 23
- 239000010410 layer Substances 0.000 claims abstract description 155
- 239000011229 interlayer Substances 0.000 claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000123 paper Substances 0.000 claims description 25
- 238000004804 winding Methods 0.000 claims description 24
- 239000011087 paperboard Substances 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 abstract description 22
- 238000009413 insulation Methods 0.000 abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 12
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 239000004020 conductor Substances 0.000 description 6
- 239000003973 paint Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Landscapes
- Insulating Of Coils (AREA)
Abstract
The utility model discloses a transformer applying novel insulating materials, which comprises an iron core and a transformer coil, wherein the transformer coil comprises a low-voltage coil, a high-voltage coil and a main oil duct, the low-voltage coil comprises a low-voltage wire, a low-voltage wire insulating layer, a low-voltage interlayer insulating layer and an end insulating layer, the high-voltage coil comprises a high-voltage wire, a high-voltage wire insulating layer, a high-voltage interlayer insulating layer and an end insulating layer, the low-voltage wire insulating layer and the high-voltage wire insulating layer are made of TUF-Flex adhesive tape materials, and after high-temperature curing, the bonding strength of inter-turn wires and interlayer insulation of wires can be effectively enhanced; the interlayer insulating layers of the low-voltage coil and the high-voltage coil of the transformer are made of TUF-Flex adhesive tape, and after high-temperature curing, the bonding strength of the wires and the interlayer insulating layers can be effectively enhanced; and further, the insulation performance and the mechanical strength of the transformer coil are improved, and the sudden short circuit resistance of the transformer is improved.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to a transformer using novel insulating materials.
Background
In recent years, with the promulgation and implementation of energy efficiency limit values and energy efficiency grades of the national standard power transformers and the implementation of energy efficiency improvement plans of the transformers, the transformers with the first and second new energy efficiency are widely produced and put into operation, so that the power grid loss is greatly reduced, and positive contribution is made to the realization of the national 'double carbon' target.
In order to improve the energy efficiency grade of the transformer and reduce the empty load loss of the transformer, under the condition that copper, iron and insulating materials are unchanged, the material usage amount of the transformer can be greatly increased, so that the volume of the transformer is enlarged, the weight is increased, the cost is increased, and meanwhile, the cost of links such as production, transportation, installation and the like is increased. The improvement of the energy efficiency level of the transformer is based on the great increase of the material and production and use costs, and is contrary to the national policies of double carbon and energy conservation and emission reduction. Meanwhile, the requirements of power users on the sudden short circuit resistance of the transformer are higher and higher, so that how to improve the product quality and reduce the material consumption on the basis of improving the energy efficiency is a current weight.
At present, a low-voltage coil of a transformer and a high-voltage coil of a high-capacity transformer are both required to be made of flat copper wires, wherein the flat copper wires comprise enameled flat copper wires and paper-covered flat copper wires, the paint film thickness of the enameled flat copper wires is thinner, the volume is reduced, but the processing cost is higher, and the total cost of the transformer is higher; the processing cost of the paper-covered flat copper wire is lower, but the insulation thickness is increased, the volume is increased, and the total cost of the transformer is higher. Meanwhile, as the number of layers of the commonly adopted interlayer insulating material dispensing paper is large, the interlayer thickness is large, the coil volume is increased, the heat conduction is reduced, and the coil temperature rise is high, for example, chinese patent with the publication number of CN 205104262U discloses a flat copper wire which is obtained by die wire drawing, extrusion or rolling; a layer of paint coating is uniformly coated outside the copper flat wire, the paint coating is painted by adopting a felt method, and the clamping force of a felt clamping plate is utilized to adjust the paint liquid amount on the copper flat wire; the paint coating is covered with a bulletproof wire layer; the anti-bullet silk layer is externally coated with a shielding layer, the shielding layer is externally coated with a flame-retardant layer, and the flame-retardant layer is externally coated with an outer sheath layer; the thickness of the copper flat wire is 0.02-2 mm, the line width is 0.1-4 mm, namely, the paint film thickness of the enameled flat copper wire adopted by the patent is thinner, the volume is reduced, but the processing cost is higher, and the total cost of the transformer is higher.
Therefore, providing a transformer with a novel insulating material, which reduces the material cost of the transformer, improves the electrical strength of the transformer, and meets the requirement of the transformer on the capability of resisting sudden short circuits, is a problem worthy of research.
Disclosure of Invention
The utility model aims to provide a transformer with novel insulating materials, which reduces the material cost of the transformer, improves the electrical strength of the transformer and meets the requirement of the sudden short circuit resistance of the transformer.
The purpose of the utility model is realized in the following way:
the utility model provides an use novel insulating material's transformer, includes iron core and transformer coil, and transformer coil includes low-voltage coil, high-voltage coil and main oil duct, low-voltage coil includes low-voltage wire, parcel at the low-voltage wire insulating layer of low-voltage wire surface, be located the low-voltage interlayer insulating layer between the adjacent two-layer low-voltage wire and be located the end insulating layer at low-voltage wire both ends, high-voltage coil includes high-voltage wire, parcel at the high-voltage wire insulating layer of high-voltage wire surface, be located the high-voltage interlayer insulating layer between the adjacent two-layer high-voltage wire and be located the end insulating layer at high-voltage wire both ends, low-voltage wire insulating layer and high-voltage wire insulating layer all adopt TUF-Flex point adhesive tape material, and low-voltage interlayer insulating layer and high-voltage interlayer insulating layer all adopt TUF-Flex point adhesive tape material.
The low-voltage wire and the high-voltage wire are bare wires, the low-voltage wire insulating layer is made of TUF-Flex dispensing paper tape with the thickness of 0.051mm, and the high-voltage wire insulating layer is made of TUF-Flex dispensing paper tape with the thickness of 0.038 or 0.051 mm.
The TUF-Flex dispensing tape carries out equidirectional flat winding on the bare wires, so that the center of the TUF-Flex dispensing tape at the 2 nd layer is positioned at the flat winding seam of the TUF-Flex dispensing tape at the 2 nd layer, and the gap between the flat winding seam of the TUF-Flex dispensing tape at the 1 st layer and the flat winding seam of the TUF-Flex dispensing tape at the 2 nd layer is ensured to be the width of the TUF-Flex dispensing tape, so that the creepage distance is increased.
The low-voltage interlayer insulating layer is made of TUF-Flex dispensing paper material with the thickness of 0.078 mm.
The high-voltage interlayer insulating layer is made of TUF-Flex dispensing paper material with the thickness of 0.078 mm.
The side wall of the oil duct comprises a stay formed by processing paper boards.
The beneficial effects of the utility model are as follows: the insulating layer of the low-voltage coil and the insulating layer of the high-voltage coil of the transformer are wound by adopting wires of TUF-Flex adhesive dispensing paper which is a novel insulating material, and the wire insulating layer adopts an adhesive dispensing layer, so that the bonding strength of the turns of the wires and the interlayer insulation of the wires can be effectively enhanced after the wires are cured at high temperature; the interlayer insulating layers of the low-voltage coil and the high-voltage coil of the transformer are made of TUF-Flex adhesive tape, and after high-temperature curing, the bonding strength of the wires and the interlayer insulating layers can be effectively enhanced; further, the insulation performance and the mechanical strength of the transformer coil are improved, and the sudden short circuit resistance of the transformer is improved; the transformer design is promoted to be more optimized, the material consumption is reduced, the heat conduction is accelerated, the product temperature rise is reduced, the product volume is reduced, the sudden short circuit resistance of the transformer is enhanced, the B-stage insulation heat-resistant grade is achieved, and the purposes of improving the quality of the transformer, prolonging the service life and reducing the cost of the whole life cycle are achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the high voltage wire and the low voltage wire of the present utility model;
in the figure: the low-voltage wire comprises a low-voltage wire 1, a low-voltage wire insulating layer 2, a low-voltage interlayer insulating layer 3, a low-voltage end insulating layer 4, a main oil duct 5, a high-voltage wire 6, a high-voltage wire insulating layer 7, a high-voltage interlayer insulating layer 8, a high-voltage end insulating layer 9, an iron core 10, a bare wire 11 and a tape dispensing tape 12.
Description of the embodiments
The utility model is further described below with reference to the drawings and examples.
Examples
As shown in fig. 1 and fig. 2, a transformer using a novel insulating material comprises an iron core 10 and a transformer coil, wherein the transformer coil comprises a low-voltage wire 1, a high-voltage coil and a main oil duct 5, the low-voltage coil comprises a low-voltage wire insulating layer 5 wrapped on the outer surface of the low-voltage wire 1, a low-voltage interlayer insulating layer 6 positioned between two adjacent low-voltage wires 1 and end insulating layers 4 positioned at two ends of the low-voltage wire, the high-voltage coil comprises a high-voltage wire 9, a high-voltage wire insulating layer 7 wrapped on the outer surface of the high-voltage wire 9, a high-voltage interlayer insulating layer positioned between two adjacent high-voltage wires 9 and end insulating layers 9 positioned at two ends of the high-voltage wire 7, the low-voltage wire insulating layer 2 and the high-voltage wire insulating layer 7 are made of TUF-Flex adhesive tape materials, and the low-voltage interlayer insulating layer 3 and the high-voltage interlayer insulating layer 8 are made of TUF-Flex adhesive tape materials.
The low-voltage coil consists of a low-voltage wire 1, a low-voltage wire insulating layer 2, a low-voltage interlayer insulating layer 3 and an end insulating layer 4, wherein TUF-Flex dispensing paper tape 12 is wound outside the low-voltage wire 1 to form the low-voltage wire insulating layer 2, and the low-voltage wire 1 is a bare wire 11. Firstly, insulating treatment is carried out on a bare wire 11, 2 layers of TUF-Flex dispensing tape 12 with a certain width and a thickness of 0.051mm are selected for carrying out equidirectional flat winding on the bare wire 11, the center of the TUF-Flex dispensing tape 12 on the 2 nd layer is located at the flat winding seam of the TUF-Flex dispensing tape 12 on the 1 st layer, the flat winding seam of the TUF-Flex dispensing tape 12 on the 1 st layer and the flat winding seam interval of the TUF-Flex dispensing tape 12 on the 2 nd layer are ensured to be about the width of the TUF-Flex dispensing tape 12, and the creepage distance is increased. According to the drawing requirements, the low-voltage wire 1 with the low-voltage wire insulating layer 2 is wound to a specified number of turns and layers. Because the low-voltage wire insulating layer 2 adopts TUF-Flex adhesive tape, the coil has adhesive tape, the inter-turn wire is stuck into a whole after high-temperature solidification, and the mechanical strength of the coil is improved; the TUF-Flex dispensing paper adopted in the wire insulation 2 is low, so that the wire insulation 2 has stronger electrical strength compared with the traditional material, the wire insulation thickness is reduced by more than 50%, and the material consumption is reduced.
The low-voltage interlayer insulating layer 3 is made of 2 TUF-Flex dispensing paper materials with typical thickness of 0.078mm, and has stronger electrical strength compared with the traditional interlayer insulating material, and can reduce the interlayer insulating thickness by more than 35 percent and reduce the material consumption.
The high-voltage coil consists of a high-voltage wire 6, a high-voltage wire insulating layer 7, a high-voltage interlayer insulating layer 8 and an end insulating layer 9, the high-voltage wire 6 is formed by winding TUF-Flex dispensing paper tape 12 materials outside the high-voltage wire 6 to form the high-voltage wire insulating layer 7, and the high-voltage wire 6 adopts a bare wire 11. Firstly, insulating treatment is carried out on a bare conductor 11, according to the voltage of a transformer system, the specification of the conductor and the intensity of inter-turn and inter-layer electric fields, 2 layers or 3 layers of TUF-Flex spot tape 12 with a certain width and a thickness of 0.038 or 0.051mm are selected for carrying out equidirectional flat winding on the bare conductor 11, so that the center of the TUF-Flex spot tape 12 on the 2 nd layer is positioned at the flat winding seam of the TUF-Flex spot tape 12 on the 1 st layer, and the flat winding seam interval between the TUF-Flex spot tape 12 on the 1 st layer and the TUF-Flex spot tape 12 on the 2 nd layer is ensured to be about the width of the TUF-Flex spot tape 12 for increasing the creepage distance. According to the drawing requirements, the high-voltage wire 6 with the high-voltage wire insulating layer 7 is wound to a specified number of turns and layers. Because the high-voltage wire insulating layer 7 adopts TUF-Flex adhesive tape, the coil has adhesive tape, the inter-turn wire is stuck into a whole after high-temperature solidification, and the mechanical strength of the coil is improved; the TUF-Flex dispensing paper adopted by the high-voltage wire insulating layer 7 is low, so that the high-voltage wire insulating layer has stronger electrical strength compared with the traditional material, the wire insulating thickness is reduced by more than 45%, the material consumption is reduced, and the material consumption is considerable due to the fact that the number of turns of the high-voltage coil is more.
The high-voltage interlayer insulating layer 8 is made of TUF-Flex adhesive tape material with typical thickness of 0.038mm or 0.078mm, and the interlayer insulating quantity of the TUF-Flex adhesive tape is reasonably selected according to the system voltage of the transformer and the intensity of an interlayer electric field. The high-voltage interlayer insulating layer 8 adopts TUF-Flex dispensing paper, has stronger electrical strength compared with the traditional interlayer insulating material, can reduce the interlayer insulating thickness by more than 35 percent, and reduces the material consumption.
Examples
As shown in fig. 1 and fig. 2, a transformer using a novel insulating material comprises an iron core 10 and a transformer coil, wherein the transformer coil comprises a low-voltage wire 1, a high-voltage coil and a main oil duct 5, the low-voltage coil comprises a low-voltage wire insulating layer 5 wrapped on the outer surface of the low-voltage wire 1, a low-voltage interlayer insulating layer 6 positioned between two adjacent low-voltage wires 1 and end insulating layers 4 positioned at two ends of the low-voltage wire, the high-voltage coil comprises a high-voltage wire 9, a high-voltage wire insulating layer 7 wrapped on the outer surface of the high-voltage wire 9, a high-voltage interlayer insulating layer positioned between two adjacent high-voltage wires 9 and end insulating layers 9 positioned at two ends of the high-voltage wire 7, the low-voltage wire insulating layer 2 and the high-voltage wire insulating layer 7 are made of TUF-Flex adhesive tape materials, and the low-voltage interlayer insulating layer 3 and the high-voltage interlayer insulating layer 8 are made of TUF-Flex adhesive tape materials.
The low-voltage coil consists of a low-voltage wire 1, a low-voltage wire insulating layer 2, a low-voltage interlayer insulating layer 3 and an end insulating layer 4, wherein TUF-Flex dispensing paper tape 12 is wound outside the low-voltage wire 1 to form the low-voltage wire insulating layer 2, and the low-voltage wire 1 is a bare wire 11. Firstly, insulating treatment is carried out on a bare wire 11, 2 layers of TUF-Flex dispensing tape 12 with a certain width and a thickness of 0.051mm are selected for carrying out equidirectional flat winding on the bare wire 11, the center of the TUF-Flex dispensing tape 12 on the 2 nd layer is located at the flat winding seam of the TUF-Flex dispensing tape 12 on the 1 st layer, the flat winding seam of the TUF-Flex dispensing tape 12 on the 1 st layer and the flat winding seam interval of the TUF-Flex dispensing tape 12 on the 2 nd layer are ensured to be about the width of the TUF-Flex dispensing tape 12, and the creepage distance is increased. According to the drawing requirements, the low-voltage wire 1 with the low-voltage wire insulating layer 2 is wound to a specified number of turns and layers. Because the low-voltage wire insulating layer 2 adopts TUF-Flex adhesive tape, the coil has adhesive tape, the inter-turn wire is stuck into a whole after high-temperature solidification, and the mechanical strength of the coil is improved; the TUF-Flex dispensing paper adopted in the wire insulation 2 is low, so that the wire insulation 2 has stronger electrical strength compared with the traditional material, the wire insulation thickness is reduced by more than 50%, and the material consumption is reduced.
The low-voltage interlayer insulating layer 3 is made of 2 TUF-Flex dispensing paper materials with typical thickness of 0.078mm, and has stronger electrical strength compared with the traditional interlayer insulating material, and can reduce the interlayer insulating thickness by more than 35 percent and reduce the material consumption.
The high-voltage coil consists of a high-voltage wire 6, a high-voltage wire insulating layer 7, a high-voltage interlayer insulating layer 8 and an end insulating layer 9, the high-voltage wire 6 is formed by winding TUF-Flex dispensing paper tape 12 materials outside the high-voltage wire 6 to form the high-voltage wire insulating layer 7, and the high-voltage wire 6 adopts a bare wire 11. Firstly, insulating treatment is carried out on a bare conductor 11, according to the voltage of a transformer system, the specification of the conductor and the intensity of inter-turn and inter-layer electric fields, 2 layers or 3 layers of TUF-Flex spot tape 12 with a certain width and a thickness of 0.038 or 0.051mm are selected for carrying out equidirectional flat winding on the bare conductor 11, so that the center of the TUF-Flex spot tape 12 on the 2 nd layer is positioned at the flat winding seam of the TUF-Flex spot tape 12 on the 1 st layer, and the flat winding seam interval between the TUF-Flex spot tape 12 on the 1 st layer and the TUF-Flex spot tape 12 on the 2 nd layer is ensured to be about the width of the TUF-Flex spot tape 12 for increasing the creepage distance. According to the drawing requirements, the high-voltage wire 6 with the high-voltage wire insulating layer 7 is wound to a specified number of turns and layers. Because the high-voltage wire insulating layer 7 adopts TUF-Flex adhesive tape, the coil has adhesive tape, the inter-turn wire is stuck into a whole after high-temperature solidification, and the mechanical strength of the coil is improved; the TUF-Flex dispensing paper adopted by the high-voltage wire insulating layer 7 is low, so that the high-voltage wire insulating layer has stronger electrical strength compared with the traditional material, the wire insulating thickness is reduced by more than 45%, the material consumption is reduced, and the material consumption is considerable due to the fact that the number of turns of the high-voltage coil is more.
The high-voltage interlayer insulating layer 8 is made of TUF-Flex adhesive tape material with typical thickness of 0.038mm or 0.078mm, and the interlayer insulating quantity of the TUF-Flex adhesive tape is reasonably selected according to the system voltage of the transformer and the intensity of an interlayer electric field. The high-voltage interlayer insulating layer 8 adopts TUF-Flex dispensing paper, has stronger electrical strength compared with the traditional interlayer insulating material, can reduce the interlayer insulating thickness by more than 35 percent, and reduces the material consumption.
The side wall of the oil duct 5 comprises a stay formed by processing a B-level insulating heat-resistant grade paperboard, and has good insulating property.
The insulating layer of the low-voltage coil and the insulating layer of the high-voltage coil of the transformer are wound by adopting wires of TUF-Flex adhesive dispensing paper which is a novel insulating material, and the wire insulating layer adopts an adhesive dispensing layer, so that the bonding strength of the turns of the wires and the interlayer insulation of the wires can be effectively enhanced after the wires are cured at high temperature; the interlayer insulating layers of the low-voltage coil and the high-voltage coil of the transformer are made of TUF-Flex adhesive tape, and after high-temperature curing, the bonding strength of the wires and the interlayer insulating layers can be effectively enhanced; further, the insulation performance and the mechanical strength of the transformer coil are improved, and the sudden short circuit resistance of the transformer is improved; the transformer design is promoted to be more optimized, the material consumption is reduced, the heat conduction is accelerated, the product temperature rise is reduced, the product volume is reduced, the sudden short circuit resistance of the transformer is enhanced, the B-stage insulation heat-resistant grade is achieved, and the purposes of improving the quality of the transformer, prolonging the service life and reducing the cost of the whole life cycle are achieved.
Claims (6)
1. The utility model provides an use novel insulating material's transformer, includes iron core and transformer coil, and transformer coil includes low-voltage coil, high-voltage coil and main oil duct, its characterized in that: the low-voltage coil comprises a low-voltage wire, a low-voltage wire insulating layer wrapped on the outer surface of the low-voltage wire, a low-voltage interlayer insulating layer located between two adjacent low-voltage wires and end insulating layers located at two ends of the low-voltage wire, the high-voltage coil comprises a high-voltage wire, a high-voltage wire insulating layer wrapped on the outer surface of the high-voltage wire, a high-voltage interlayer insulating layer located between two adjacent high-voltage wires and end insulating layers located at two ends of the high-voltage wire, the low-voltage wire insulating layer and the high-voltage wire insulating layer are made of TUF-Flex dispensing paper tape materials, and the low-voltage interlayer insulating layer and the high-voltage interlayer insulating layer are made of TUF-Flex dispensing paper materials.
2. The transformer using the novel insulating material according to claim 1, wherein: the low-voltage wire and the high-voltage wire are bare wires, the low-voltage wire insulating layer is made of TUF-Flex dispensing paper tape with the thickness of 0.051mm, and the high-voltage wire insulating layer is made of TUF-Flex dispensing paper tape with the thickness of 0.038 or 0.051 mm.
3. The transformer using the novel insulating material according to claim 2, wherein: the TUF-Flex dispensing tape carries out equidirectional flat winding on the bare wires, so that the center of the TUF-Flex dispensing tape at the 2 nd layer is positioned at the flat winding seam of the TUF-Flex dispensing tape at the 2 nd layer, and the gap between the flat winding seam of the TUF-Flex dispensing tape at the 1 st layer and the flat winding seam of the TUF-Flex dispensing tape at the 2 nd layer is ensured to be the width of the TUF-Flex dispensing tape, so that the creepage distance is increased.
4. The transformer using the novel insulating material according to claim 1, wherein: the low-voltage interlayer insulating layer is made of TUF-Flex dispensing paper material with the thickness of 0.078 mm.
5. The transformer using the novel insulating material according to claim 1, wherein: the high-voltage interlayer insulating layer is made of TUF-Flex dispensing paper material with the thickness of 0.078 mm.
6. The transformer using the novel insulating material according to claim 1, wherein: the side wall of the oil duct comprises a stay formed by processing paper boards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320757363.4U CN219892025U (en) | 2023-04-07 | 2023-04-07 | Transformer using novel insulating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320757363.4U CN219892025U (en) | 2023-04-07 | 2023-04-07 | Transformer using novel insulating material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219892025U true CN219892025U (en) | 2023-10-24 |
Family
ID=88400298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320757363.4U Active CN219892025U (en) | 2023-04-07 | 2023-04-07 | Transformer using novel insulating material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219892025U (en) |
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2023
- 2023-04-07 CN CN202320757363.4U patent/CN219892025U/en active Active
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