CN103295776B - A kind of preparation method of taper insulating barrier high-tension transformer winding - Google Patents
A kind of preparation method of taper insulating barrier high-tension transformer winding Download PDFInfo
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- CN103295776B CN103295776B CN201310259392.9A CN201310259392A CN103295776B CN 103295776 B CN103295776 B CN 103295776B CN 201310259392 A CN201310259392 A CN 201310259392A CN 103295776 B CN103295776 B CN 103295776B
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- insulation film
- film
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- insulating barrier
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Abstract
The invention provides a kind of preparation method of taper insulating barrier high-tension transformer winding, be characterized in the cutting comprising insulation film, get the insulation film of certain length according to insulation thickness between winding layers, measure requirement by the limit of staying of winding two end faces, diagonally film cutting is become two pieces of films; The winding of insulating barrier, film is radially entirely wound on skeleton or line is wrapped, form the structure of a taper, adjusting towards the coiling direction by film of its inclined-plane, the supporting construction of group is held as line, after enamelled wire winds along inclined-plane, by other one piece of winding film on the room of line bag, line bag is leveled up.Preparation method of the present invention, coiling is convenient, simple to operate, utilizes common material structure can realize the preparation of taper insulating barrier high-tension transformer winding.
Description
Technical field
The invention belongs to technical field of transformer manufacturing, be specifically related to a kind of high-tension transformer winding of taper insulating barrier.
Background technology
The insulation system of Transformer Winding not only determines the withstand voltage properties of transformer, and reasonably design can improve the performance of transformer.Traditional primary and secondary winding are all wrapped on a coil frame, and wherein primary and secondary is often divided into sandwich wound according to demand.According to electrotechnics principle, the voltage proportional of transformer is in the number of turn of winding, therefore for the winding of transformer, the electrical potential difference of each position of adjacent two layers winding is different, electrical potential difference between the starting point of front one deck and the terminal of later layer is maximum, and the starting point of the terminal of front one deck and later layer is equipotential, its electrical potential difference is from being increasing trend to another side.And when carrying out transformer insulated design, for guaranteeing the withstand voltage properties of transformer, the thickness of interlayer calculates by maximum potential difference.Simultaneously, according to the feature of winding construction, the distributed constant of different windings is not identical yet, leakage inductance is one of important parameter of Transformer Winding, for design of transformer, always wish leakage inductance to drop to minimum, have multiple winding construction to be suggested for this reason, wherein Taper coils is because its leakage inductance is about 1/2 of equal conditions system structure, and is widely used.
For realizing the pyramidal structure of Transformer Winding, usually adopt the coil frame of processing taper to realize, but for multi-layer winding and small-sized transformer, the structure of the method is too complicated and inapplicable.Publication number is that the patent of CN2398714Y proposes a kind of thickness in the insualting paper special for transformer increasing progressively state, and its cross section is right-angled trapezium, but must customize according to the demand of transformer, and versatility is not high.
Summary of the invention
Multi-layer winding transformer and miniature transformer structure is not suitable for for existing Taper coils manufacture method, the invention provides a kind of high-tension transformer winding preparation method of taper insulating barrier, by the control of cutting out and reeling to insulation film, make the tapered distribution of insulating barrier, thus realize the pyramidal structure of Transformer Winding.
The high-tension transformer winding preparation method of taper insulating barrier of the present invention, comprises the steps:
1. stay limit to measure calculation of parameter:
According to transformer output voltage amplitude V, insulation film, along face compressive resistance γ, calculates by formula (1) and stays limit to measure S.
（1）
2. insulation film Size calculation:
According to adjacent two layers winding maximum potential difference △ V, insulation film body compressive resistance δ, coiling front bag diameter R, insulation film thickness d, calculates insulation film length L by formula (2).The selection of insulator film thickness should consider the diameter of enamelled wire, the operability of film cutting, namely will, much smaller than the diameter of enamelled wire, avoid film length long again.
（2）
Select insulation film width W according to backbone length, insulation film width W is less than backbone length 2mm, also suitably can adjust according to the flat conditions of actual coiling line bag.
3. the cutting of insulation film: to the rectangular dielectric film of length L and width W, reserve limit amount S, diagonally cutting becomes two pieces of trapezoidal films.
4. the winding of insulating barrier: when needing to obtain cone structure, skeleton is first fixed in one side wider for trapezoidal film or line is wrapped, radially entirely reel, namely form the structure of a taper, its inclined-plane towards by adjust trapezoidal film hypotenuse towards change; When need level up line bag, be first fixed on skeleton or line is wrapped by narrower for trapezoidal film, be radially entirely wound on the room of line bag, line bag is leveled up.
The present invention, by the control to insulation film structure and winding method, can realize the production of high-tension transformer Taper coils by general material, structure, coiling is convenient, simple to operate, is conducive to the optimization of transformer leakage inductance parameter, the reduction of volume.
Accompanying drawing explanation
Fig. 1 is the structural representation of taper insulating barrier high-tension transformer winding of the present invention;
Fig. 2 is the cutting schematic diagram of the insulation film in the present invention.
Embodiment
Below in conjunction with instantiation, the present invention is described in detail.
The high-tension transformer winding preparation method of taper insulating barrier of the present invention, comprises the steps:
1. stay limit to measure calculation of parameter
According to transformer output voltage amplitude V, insulation film, along face compressive resistance γ, calculates by formula (1) and stays limit to measure S.
（1）
2. insulation film Size calculation
According to adjacent two layers winding maximum potential difference △ V, insulation film body compressive resistance δ, coiling front bag diameter R, insulation film thickness d, calculates insulation film length L by formula (2).The selection of insulator film thickness should consider the diameter of enamelled wire, the operability of film cutting, namely will, much smaller than the diameter of enamelled wire, avoid film length long again.
（2）
Select insulation film width W according to backbone length, insulation film width W is less than backbone length 2mm, also suitably can adjust according to the flat conditions of actual coiling line bag.
3. the cutting of insulation film
The length L of rectangular dielectric film, width W, reserve limit amount S, diagonally cutting becomes two pieces of trapezoidal films.
4. the winding of insulating barrier
When needing to obtain cone structure, be first fixed on skeleton or line is wrapped by wider for trapezoidal film, radially entirely reel, namely form the structure of a taper, its inclined-plane towards by adjust trapezoidal film hypotenuse towards change; When need level up line bag, be first fixed on skeleton or line is wrapped by narrower for trapezoidal film, be radially entirely wound on the room of line bag, line bag is leveled up.
Fig. 1 is the structural representation of the taper insulating barrier high-tension transformer winding in the present invention.In Fig. 1, insulating barrier is divided into two parts, and a part is reeled by shearing film 10 and forms, and as the support of enamelled wire winding 12, another part forms, for filling up the line bag room of formation by shearing film 11 winding.
Fig. 2 is the insulation film cutting schematic diagram adopted in the present invention
Insulating barrier in the present invention is according to withstand voltage design with when front bag diameter, and calculate film cutting parameter, cut out by carrying out film shown in Fig. 2, diagonally cutting becomes two pieces of trapezoidal films.The length L of rectangular dielectric film, width W, stay limit to measure S.
Embodiment 1
Be 20mm at a diameter, width is on the cylindrical structure skeleton of 50mm, point transformer secondary output winding that 3 layers of coilings transmission of electricity pressure is 60kV.The insulation film thickness selected is 0.05mm, body compressive resistance 60kV/mm, is 2kV/mm along face compressive resistance.
The first step, calculates winding according to above-mentioned parameter by formula (1) and stays limit to measure S:
mm second step, calculates ground floor insulation film length-wise dimension:
W=50-2=48mm
mm
3rd step, carries out insulation film by above-mentioned result of calculation and cuts out according to Fig. 2, obtains two blocks of trapezoidal insulation films.
4th step, get one piece of trapezoidal film, according to required direction, skeleton is first fixed in wider one side or line is wrapped, radially entirely reel, form the insulation system of a taper, after ground floor enamelled wire winds along inclined-plane, by other one piece of winding film on the room of line bag, line bag is leveled up.Second layer enamelled wire is wound in line encrust now.
5th step, calculates second layer insulation film length dimension:
mm
Subsequent operation repeats third and fourth step can complete Transformer Winding coiling in example.
Claims (1)
1. a preparation method for the coils of high-voltage transformers of taper insulating barrier, is characterized in that, comprises the steps:
1). stay limit to measure calculation of parameter
According to transformer output voltage amplitude V, insulation film, along face compressive resistance γ, calculates by formula (1) and stays limit to measure S;
（1）
2). insulation film Size calculation
According to adjacent two layers winding maximum potential difference △ V, insulation film body compressive resistance δ, coiling front bag diameter R, insulation film thickness d, calculates insulation film length L by formula (2);
（2）
Insulation film width W is selected, insulation film width W 2mm less of backbone length according to backbone length;
3). the cutting of insulation film
To the rectangular dielectric film of insulation film length L and insulation film width W, reserve limit amount S, diagonally cutting becomes two pieces of trapezoidal films;
4). the winding of insulating barrier
Skeleton is first fixed in one side wider for trapezoidal film or line is wrapped, radially entirely reels, form the structure of a taper, its inclined-plane towards by adjust trapezoidal film hypotenuse towards change; After ground floor enamelled wire winds along inclined-plane, be first fixed on skeleton or line is wrapped by narrower for trapezoidal film, be radially entirely wound on the room of line bag, line bag is leveled up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310259392.9A CN103295776B (en) | 2013-06-27 | 2013-06-27 | A kind of preparation method of taper insulating barrier high-tension transformer winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310259392.9A CN103295776B (en) | 2013-06-27 | 2013-06-27 | A kind of preparation method of taper insulating barrier high-tension transformer winding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103295776A CN103295776A (en) | 2013-09-11 |
| CN103295776B true CN103295776B (en) | 2015-11-18 |
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| CN201310259392.9A Expired - Fee Related CN103295776B (en) | 2013-06-27 | 2013-06-27 | A kind of preparation method of taper insulating barrier high-tension transformer winding |
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| CN109509631B (en) * | 2019-01-04 | 2023-09-26 | 中山市设科电子有限公司 | Coil production equipment of integrated inductor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5321965A (en) * | 1991-11-22 | 1994-06-21 | Texas Instruments Incorporated | Inductor winding apparatus and method |
| JPH08138963A (en) * | 1994-11-07 | 1996-05-31 | Mitsubishi Electric Corp | Manufacture of inclined coil and its winding jig |
| CN1371519A (en) * | 1999-07-23 | 2002-09-25 | 美国超导体公司 | Superconducting magnetic coil |
| CN1601665A (en) * | 2004-10-21 | 2005-03-30 | 王叙平 | Inductance coil and divider applied for speaker |
| EP1898494A2 (en) * | 2006-09-08 | 2008-03-12 | Vacuumschmelze GmbH & Co. KG | Method for manufacturing a magnet assembly with a flat magnet core and such a magnet assembly |
| CN102376430A (en) * | 2011-11-08 | 2012-03-14 | 中国西电电气股份有限公司 | High-volage coil of voltage mutual inductor and production method thereof |
-
2013
- 2013-06-27 CN CN201310259392.9A patent/CN103295776B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5321965A (en) * | 1991-11-22 | 1994-06-21 | Texas Instruments Incorporated | Inductor winding apparatus and method |
| JPH08138963A (en) * | 1994-11-07 | 1996-05-31 | Mitsubishi Electric Corp | Manufacture of inclined coil and its winding jig |
| CN1371519A (en) * | 1999-07-23 | 2002-09-25 | 美国超导体公司 | Superconducting magnetic coil |
| CN1601665A (en) * | 2004-10-21 | 2005-03-30 | 王叙平 | Inductance coil and divider applied for speaker |
| EP1898494A2 (en) * | 2006-09-08 | 2008-03-12 | Vacuumschmelze GmbH & Co. KG | Method for manufacturing a magnet assembly with a flat magnet core and such a magnet assembly |
| CN102376430A (en) * | 2011-11-08 | 2012-03-14 | 中国西电电气股份有限公司 | High-volage coil of voltage mutual inductor and production method thereof |
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| CN103295776A (en) | 2013-09-11 |
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