CN201307502Y - Epoxy resin dry-type rectiformer with 35 kilovolt - Google Patents
Epoxy resin dry-type rectiformer with 35 kilovolt Download PDFInfo
- Publication number
- CN201307502Y CN201307502Y CNU2008202191304U CN200820219130U CN201307502Y CN 201307502 Y CN201307502 Y CN 201307502Y CN U2008202191304 U CNU2008202191304 U CN U2008202191304U CN 200820219130 U CN200820219130 U CN 200820219130U CN 201307502 Y CN201307502 Y CN 201307502Y
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- epoxy resin
- kilovolts
- dry type
- resin dry
- type rectifier
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Abstract
The utility model relates to an epoxy resin dry-type rectiformer with 35 kilovolt, comprising an iron coil, a high-voltage coil, a low-voltage coil, a main insulating barrel and a shielding barrel; the main insulating barrel and the shielding barrel are arranged between the high-voltage coil and the low-voltage coil and adopts H-grade insulating materials; and the upper end parts and the lower end parts of the coils are provided with wedge-shaped cushion blocks which are matched and fixed with the coils. The device has the advantages of small size, light weight, good thermal diffusivity, good performances of insulation and anti-opening type, strong overload capacity, low partial discharge, good humidity resistance, environment protection and safety and the like.
Description
Technical field
The utility model relates to a kind of transformer, particularly relates to a kind of 35 kilovolts of epoxy resin dry type rectifier transformers.
Background technology
The dry rectifier transformer has three kinds at present, the wrapped formula dry rectifier of one transformer manufacturing process equipment complexity, and prices of raw and semifnished materials height, heat dispersion is poor.The transformer insulated humidity resistance difference of its two dipping dry rectifier overload capacity is low.3 half to seal the dry rectifier transformer noise big for it, instability, and burning produces poisonous dense smoke, is difficult for reclaiming.More than three kinds of transformers in electric power system, move and all do not reach optimum efficiency.
Summary of the invention
The utility model has overcome deficiency of the prior art, and a kind of reasonable in design is provided, and loss is little, the mechanical strength height, and the insulation level height, protective capacities is strong, 35 kilovolts of epoxy resin dry type rectifier transformers easy to use.
In order to address the above problem, the utility model by the following technical solutions:
35 kilovolts of epoxy resin dry type rectifier transformers, comprise iron core, high-tension coil, low-voltage coil, main insulation tube, shielding cylinder, be provided with main insulation tube and shielding cylinder between high-tension coil and the low-voltage coil, main insulation tube and shielding cylinder adopt the H class F insulating material F, be provided with correcting wedge in the coil upper and lower end parts, correcting wedge cooperates fixing with coil.
Iron core adopts high magnetic conduction high-quality grain orientation cold-reduced silicon sheet to make, and iron core is 45 ° of full bias seams, and stem employing H class F insulation band is tied up and rolled, and the surface adopts solventfree resin to apply; High-tension coil is a subsection cylindrical formula structure, adopts H level polyester imines or the coiling of polyimides composite enameled wire, the vacuum pressure cast; Low-voltage coil is a layered structure, adopts H level polyester imines or polyimides composite enameled wire or Copper Foil coiling according to amount of capacity, the vacuum pressure cast; The main insulation tube adopts compound mylar forming tube, and its monolateral thickness is 4mm; Shielding cylinder adopts polyester imines to be combined into type tube, and its monolateral thickness is 5mm; Correcting wedge adopts composite plate hot-forming; Transformer clamps by channel-section steel up and down; Channel-section steel is pressed abd fixed on the transformer by anti-pressure nail.
Compared with prior art, the beneficial effects of the utility model are:
1, iron core adopts high magnetic conduction high-quality grain orientation cold-reduced silicon sheet, 45 ° of full bias seams.Stem employing H class F insulation band is tied up and is rolled, and the surface adopts solventfree resin to apply, and its objective is the supplementary load loss that to be stretched and caused by magnetic hysteresis in order to effectively reduce, and greatly reduces no-load current and noise, and its overall noise level is lower than national standard 10dB.
2, high-tension coil is a subsection cylindrical formula structure, adopt H level Q (XY/XY)-2/200 polyester imines/polyimides composite enameled wire coiling, the vacuum pressure cast, its objective is in order to reduce the winding voltage between layers, improve the impact strength that the voltage distribution has improved tolerance atmospheric over-voltage and switching overvoltage greatly, 200 ℃ of lead heatproof indexes, insulation thermal endurance class height can reach the H level, electrical safety performance is good, the mechanical strength height.
3, low-voltage coil is a layered structure, adopt H level Q (XY/XY)-2/200 polyester imines/polyimides composite enameled wire or Copper Foil coiling according to amount of capacity, the vacuum pressure cast its objective is in order to reduce winding and move the kelvin effect that is produced under big electric current, thereby reduces supplementary load loss.
4, the main insulation tube adopts the compound mylar forming tube of S278, and its monolateral thickness is δ=4mm, its objective is in order to improve the electrical strength of transformer, but 25～30 kilovolts of every millimeter withstand voltages.
5, shielding cylinder adopts 3201 polyester imines to be combined into type tube, and its monolateral thickness is δ=5mm, its objective is in order effectively to reduce the influence of harmonic pollution to electric power system.
6, the wedge cushion block is that the DMC composite plate is hot-forming, its objective is in order to improve the cushion block mechanical strength, compresses high-voltage coil and low-voltage coil is spacing.
7, transformer clamps by channel-section steel up and down, its objective is in order to improve the mechanical strength of transformer integral body.
8, compress with anti-pressure nail, its objective is in order to improve the axial pressing force of transformer, stressedly more compress more, strengthen the Short Circuit withstand impact property.
Description of drawings
Fig. 1 is the utility model front view
Fig. 2 is Fig. 1 vertical view
Embodiment
35 kilovolts of epoxy resin dry type rectifier transformers, as shown in Figure 1 and Figure 2, comprise iron core 1, high-tension coil 2, low-voltage coil 3, main insulation tube 4, shielding cylinder 5, high-tension coil 2 is a subsection cylindrical formula structure, adopt H level Q (XY/XY)-2/200 polyester imines/polyimides composite enameled wire coiling, the vacuum pressure cast; Low-voltage coil 3 is a layered structure, adopts H level Q (XY/XY)-2/200 polyester imines/polyimides composite enameled wire or Copper Foil coiling according to amount of capacity, the vacuum pressure cast.Be provided with main insulation tube 4 and shielding cylinder 5 between high-tension coil 2 and the low-voltage coil 3, main insulation tube 4 and shielding cylinder 5 adopt the H class F insulating material F, and main insulation tube 4 adopts the compound mylar forming tube of S278, and its monolateral thickness is 4mm.Shielding cylinder 5 adopts 3201 polyester imines to be combined into type tube, and its monolateral thickness is 5mm.Be provided with correcting wedge 6 in the coil upper and lower end parts, correcting wedge 6 adopts the DMC composite plate hot-forming, and correcting wedge 6 cooperates fixing with coil.Iron core 1 adopts high magnetic conduction high-quality grain orientation cold-reduced silicon sheet to make, and iron core 1 is 45 ° of full bias seams, and stem employing H class F insulation band is tied up and rolled, and the surface adopts solventfree resin to apply.Transformer clamps by channel-section steel 7 up and down, and channel-section steel 7 is pressed abd fixed on the transformer by anti-pressure nail 8.
The utlity model has that simple and reasonable, anti-short circuit capability is strong, good electric property, volume is little, in light weight, low decreases Consumption, low noise advantage.
Claims (9)
1,35 kilovolts of epoxy resin dry type rectifier transformers, it is characterized in that, comprise iron core, high-tension coil, low-voltage coil, main insulation tube, shielding cylinder, be provided with main insulation tube and shielding cylinder between high-tension coil and the low-voltage coil, main insulation tube and shielding cylinder adopt the H class F insulating material F, be provided with correcting wedge in the coil upper and lower end parts, correcting wedge cooperates fixing with coil.
2,35 kilovolts of epoxy resin dry type rectifier transformers according to claim 1, it is characterized in that iron core adopts high magnetic conduction high-quality grain orientation cold-reduced silicon sheet to make, iron core is 45 ° of full bias seams, stem employing H class F insulation band is tied up and is rolled, and the surface adopts solventfree resin to apply.
3,35 kilovolts of epoxy resin dry type rectifier transformers according to claim 1 is characterized in that, high-tension coil is a subsection cylindrical formula structure, adopt H level polyester imines or the coiling of polyimides composite enameled wire, the vacuum pressure cast.
4,35 kilovolts of epoxy resin dry type rectifier transformers according to claim 1 is characterized in that, low-voltage coil is a layered structure, adopt H level polyester imines or polyimides composite enameled wire or Copper Foil coiling according to amount of capacity, the vacuum pressure cast.
5,35 kilovolts of epoxy resin dry type rectifier transformers according to claim 1 is characterized in that, the main insulation tube adopts compound mylar forming tube, and its monolateral thickness is 4mm.
6,35 kilovolts of epoxy resin dry type rectifier transformers according to claim 1 is characterized in that, shielding cylinder adopts polyester imines to be combined into type tube, and its monolateral thickness is 5mm.
7,35 kilovolts of epoxy resin dry type rectifier transformers according to claim 1 is characterized in that, correcting wedge adopts composite plate hot-forming.
8,35 kilovolts of epoxy resin dry type rectifier transformers according to claim 1 is characterized in that transformer clamps by channel-section steel up and down.
9,35 kilovolts of epoxy resin dry type rectifier transformers according to claim 8 is characterized in that channel-section steel is pressed abd fixed on the transformer by anti-pressure nail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202191304U CN201307502Y (en) | 2008-11-13 | 2008-11-13 | Epoxy resin dry-type rectiformer with 35 kilovolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202191304U CN201307502Y (en) | 2008-11-13 | 2008-11-13 | Epoxy resin dry-type rectiformer with 35 kilovolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201307502Y true CN201307502Y (en) | 2009-09-09 |
Family
ID=41099969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202191304U Expired - Lifetime CN201307502Y (en) | 2008-11-13 | 2008-11-13 | Epoxy resin dry-type rectiformer with 35 kilovolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201307502Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108053914A (en) * | 2016-06-09 | 2018-05-18 | 苏州高精特专信息科技有限公司 | A kind of dry-type transformer of low power consumption |
| CN112735782A (en) * | 2020-12-24 | 2021-04-30 | 宁波宁变电力科技股份有限公司 | Dry-type transformer capable of reducing noise |
-
2008
- 2008-11-13 CN CNU2008202191304U patent/CN201307502Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108053914A (en) * | 2016-06-09 | 2018-05-18 | 苏州高精特专信息科技有限公司 | A kind of dry-type transformer of low power consumption |
| CN108053914B (en) * | 2016-06-09 | 2019-09-06 | 扬州众成变压器有限公司 | A kind of dry-type transformer of low power consumption |
| CN112735782A (en) * | 2020-12-24 | 2021-04-30 | 宁波宁变电力科技股份有限公司 | Dry-type transformer capable of reducing noise |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090909 |
|
| CX01 | Expiry of patent term |