CN2671095Y - H-stage drying electrical transformer structure - Google Patents
H-stage drying electrical transformer structure Download PDFInfo
- Publication number
- CN2671095Y CN2671095Y CN 03280417 CN03280417U CN2671095Y CN 2671095 Y CN2671095 Y CN 2671095Y CN 03280417 CN03280417 CN 03280417 CN 03280417 U CN03280417 U CN 03280417U CN 2671095 Y CN2671095 Y CN 2671095Y
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- Prior art keywords
- pressure winding
- stage
- low pressure
- transformer structure
- level
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Abstract
The utility model discloses an H-stage drying electrical transformer structure, wherein, the permeablility magnetic material of the iron core (3)of the transtormer is a cold roll grain orientation electrical steel sheet. The H-stage drying electrical transformer structure is characterized in that a high-voltage wind (1) with the structure of multilayered segment cylinder type is winded by an H-stage insulated electromagnetic wire or a foil band conductor, and the H-stage high-voltage wind is formed by gel solidification after the H-stage epoxy resin is casted; The conducting material of a low voltage winding (2) is foil conductor, The insulating material between the lays or the circles is the high temperature grade material, and the H-stage low voltage winding is formed by high-temperature solidification after the H-stage resin coating with polyester or the higher stage resin coating with polyester is casted. The H-stage drying electrical transformer structure has the advantages of simple structure, simple making process, low investment of equipment and low cost.
Description
Technical field
The utility model relates to a kind of equipment for power transmission and distribution, relates in particular to a kind of H level dry-type power transformer of being made up of iron core and high-voltage coil and low-voltage coil.
Background technology
Transformer is a kind of equipment for power transmission and distribution by the electromagnetic energy conversion, mainly is made of the winding of conduction, iron core and other parts of magnetic conduction.The main insulating material coolant used according to transformer can be divided into transformer oil-immersed type transformer and dry-type power transformer.The epoxide resin vacuum cast transformer is a kind of in the dry-type power transformer, has fire prevention, humidity, pollution-free, non-maintaining, partial discharge quantity is little, good insulation property and advantages such as anti-short circuit capability is strong, the high pressure winding of the dry-type power transformer of epoxide resin vacuum cast has at present possessed the condition that reaches the H level, the electromagnetic wire of employing H class F insulation or Copper Foil or aluminium foil are as conductor, cast H level epoxy resin under vacuum state, constant-pressure and high-temperature gel solidification then, form H level high pressure winding, low pressure foil conductor winding adopts Copper Foil or aluminium foil as electric conducting material, yet interlayer H class F insulating material F is difficult to solve.
Summary of the invention
The purpose of this utility model provides a kind of H level dry-type power transformer structure.
In order to achieve the above object, the technical scheme that the utility model adopted is: the iron core of transformer adopts cold rolling grain-oriented electrical silicon steel sheet as permeability magnetic material; The high pressure winding adopts the electromagnetic wire or the coiling of paper tinsel band conductor of H class F insulation, is multilayer subsection cylindrical formula structure, and gel solidification becomes H level high pressure winding behind cast H level epoxy resin; The low pressure winding uses foil conductor as electric conducting material, with the material of high-temperature grade as interlayer (or turn-to-turn) insulating material, and hot setting becomes H level low pressure winding behind the polyester coating of cast H level or higher temperature grade, the used foil conductor of described low pressure winding is Copper Foil or aluminium foil, and the interlayer of described low pressure winding (or turn-to-turn) insulating material can be a NOMEX paper.
H level dry-type power transformer architecture provided by the utility model is simple, and manufacture craft is simple, and equipment investment is few, and cost is low.
Description of drawings
Fig. 1 is the cross sectional view of the iron core/high-low pressure winding of the utility model embodiment H level dry-type power transformer structure.
Embodiment
In the structure shown in the figure, the iron core 3 of transformer adopts cold rolling grain-oriented electrical silicon steel sheet as permeability magnetic material; High pressure winding 1 adopts the electromagnetic wire or the coiling of paper tinsel band conductor of H class F insulation, is multilayer subsection cylindrical formula structure, and gel solidification becomes H level high pressure winding behind cast H level epoxy resin; Low pressure winding 2 usefulness foil conductors are as electric conducting material, with the material of high-temperature grade as interlayer (or turn-to-turn) insulating material, and hot setting becomes H level low pressure winding behind the polyester coating of cast H level or higher temperature grade, the used foil conductor of described low pressure winding is Copper Foil or aluminium foil, and the interlayer of described low pressure winding (or turn-to-turn) insulating material can be a NOMEX paper.
Claims (3)
1, a kind of H level dry-type power transformer structure, it is made up of iron core [3], high pressure winding [1] and low pressure winding [2] etc., its iron core/high-low pressure winding is followed successively by iron core [3], low pressure winding [2], high pressure winding [1] from inside to outside, it is characterized in that: the permeability magnetic material of iron core [3] is cold rolling grain-oriented electrical silicon steel sheet; High pressure winding [1] is that its periphery is coated with the H level epoxy resin of gel solidification with the electromagnetic wire of H class F insulation or the multilayer subsection cylindrical formula structure of paper tinsel band conductor coiling; The electric conducting material of low pressure winding [2] is a foil conductor, and interlayer or turn-to-turn insulation material are the materials of high-temperature grade, and the periphery of low pressure winding [2] is coated with the polyester coating of the H level or the higher temperature grade of gel solidification.
2, H level dry-type power transformer structure according to claim 1, it is characterized in that: the used foil conductor of said low pressure winding is Copper Foil or aluminium foil.
3, H level dry-type power transformer structure according to claim 1, it is characterized in that: the interlayer of said low pressure winding or turn-to-turn insulation material can be NOMEX paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03280417 CN2671095Y (en) | 2003-09-08 | 2003-09-08 | H-stage drying electrical transformer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03280417 CN2671095Y (en) | 2003-09-08 | 2003-09-08 | H-stage drying electrical transformer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2671095Y true CN2671095Y (en) | 2005-01-12 |
Family
ID=34473797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03280417 Expired - Lifetime CN2671095Y (en) | 2003-09-08 | 2003-09-08 | H-stage drying electrical transformer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2671095Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1855323B (en) * | 2005-04-27 | 2010-05-26 | 上海亚明灯泡厂有限公司 | Treatment of H class white insulating paint for inductant ballast |
| CN101013625B (en) * | 2006-12-21 | 2010-09-22 | 中国科学院电工研究所 | Current-limiting reactor of electric power |
| CN111369145A (en) * | 2020-03-04 | 2020-07-03 | 海南金盘智能科技股份有限公司 | Method and system for generating transformer scheduling scheme |
-
2003
- 2003-09-08 CN CN 03280417 patent/CN2671095Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1855323B (en) * | 2005-04-27 | 2010-05-26 | 上海亚明灯泡厂有限公司 | Treatment of H class white insulating paint for inductant ballast |
| CN101013625B (en) * | 2006-12-21 | 2010-09-22 | 中国科学院电工研究所 | Current-limiting reactor of electric power |
| CN111369145A (en) * | 2020-03-04 | 2020-07-03 | 海南金盘智能科技股份有限公司 | Method and system for generating transformer scheduling scheme |
| CN111369145B (en) * | 2020-03-04 | 2023-05-26 | 海南金盘智能科技股份有限公司 | Method and system for generating transformer scheduling scheme |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130908 Granted publication date: 20050112 |