CN106329784B - 2.5MW direct wind-driven generator inner stator coil and its manufacturing method - Google Patents
2.5MW direct wind-driven generator inner stator coil and its manufacturing method Download PDFInfo
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- CN106329784B CN106329784B CN201610798774.2A CN201610798774A CN106329784B CN 106329784 B CN106329784 B CN 106329784B CN 201610798774 A CN201610798774 A CN 201610798774A CN 106329784 B CN106329784 B CN 106329784B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/30—Windings characterised by the insulating material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
- H02K15/0435—Wound windings
- H02K15/0442—Loop windings
- H02K15/045—Form wound coils
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention relates to 2.5MW direct wind-driven generator inner stator coil and its manufacturing methods, including equal the coil body made of as single polyimides F46 laminated film sintering polyester film mica tape lapped wire, and coil body the number of turns is 10-14 circle；The inside conductor section that F46 laminated film is sintered polyester film mica tape lapped wire is rectangle, with a thickness of 3.5-4.2mm, width 15-18mm, polyimides F46 laminated film be sintered the external insulation layer of polyester film mica tape lapped wire with a thickness of 0.3-0.5mm；Coil body includes the upper straight line portion being located above and underlying lower straight line portion, and upper straight line portion is connected with the left side of lower straight line portion by left end nose, and upper straight line portion is connected with the right side of lower straight line portion by right end nose.The present invention has preferable insulation against ground and turn-to-turn insulation, has stronger mechanical strength, and structure is relatively simple, manufacture easy to produce reduces production cost.
Description
Technical field
The present invention relates to technical field of wind power generator, in particular to a kind of default sub-line of 2.5MW direct wind-driven generator
Circle and its manufacturing method.
Background technique
Compared to the generator of other field, the generator in wind power generation field is mostly direct wind-driven generator, this
It is because being equipped with gear-box in common generator, gear-box can will reduce the efficiency of wind-force transmission, and gear-box is easy
Part is damaged, needs often to maintain, use cost and maintenance cost are higher, are unfavorable for the industrialization promotion of wind-driven generator.
The type of direct wind-driven generator generally can be divided into internal rotor wind driven electric generator and external rotor wind driven electric generator, of the present invention
It is a kind of inner stator coil of external rotor wind driven electric generator.
With the development of China's wind generating technology, the capacity of wind-driven generator develops to MW grades from KW grades, generator
Heart component stator coil also from the scattered embedded winding of small-capacity generator develop into the formation type of heavy-duty generator around
Group achieves huge progress.But the stator coil of existing wind-driven generator is poor in the prevalence of insulation performance, mechanical strong
The low and high disadvantage of manufacturing cost is spent, therefore, needs a kind of inner stator coil that can solve above-mentioned technical problem.
Summary of the invention
In order to compensate for the shortcomings of the prior art, the present invention provides a kind of structures simple, good insulation preformance and mechanical strength
Big 2.5MW direct wind-driven generator inner stator coil and its manufacturing method, solve problems of the prior art.
The present invention is achieved through the following technical solutions:
2.5MW direct wind-driven generator inner stator coil, including polyester is sintered by single polyimides F46 laminated film
Film mica tape lapped wire equals the coil body made of, and described coil body the number of turns is 10-14 circle；The polyimides F46 is multiple
The inside conductor section for closing film sintered polyester film mica tape lapped wire is rectangle, and with a thickness of 3.5-4.2mm, width is
15-18mm, the external insulation layer of polyimides F46 laminated film sintering polyester film mica tape lapped wire with a thickness of 0.3-
0.5mm；The coil body includes the upper straight line portion being located above and underlying lower straight line portion, and the upper straight line portion is under
The left side of straight line portion is connected by left end nose, and the upper straight line portion is connected with the right side of lower straight line portion by right end nose；?
Perpendicular on the direction of coil body, the upper straight line portion is parallel with lower straight line portion, and the horizontal distance between it is 2-10mm,
The distance of the upper straight line portion and lower straight line portion in vertical direction is 153-154mm, and the left end nose and right end nose are in
Arc-shaped, the radius of inner ring is 15mm；One strata ester film of half-stack package is distinguished in the outside of upper straight line portion and lower straight line portion
One layer of alkali-free glass fiber cloth of dry mica paper tape peace packet；In left end, half-stack package two is distinguished in the outside of nose and right end nose
Layer one layer of single-sided ventilating band of polyester film dry mica and half-stack package.
Ground is advanced optimized, described coil body the number of turns is 12 circles.
Advanced optimize ground, the inside conductor of the polyimides F46 laminated film sintering polyester film mica tape lapped wire
Thickness × the width in section is 3.98mm × 16.5mm；；Polyimides F46 laminated film sintering polyester film mica tape around
The external insulation layer of envelope curve with a thickness of 0.4mm.
Advanced optimize ground, the width in the inner stator coil section at the upper straight line portion and lower straight line portion × be highly
17.66mm × 53.32mm, the width in the inner stator coil section at the left end nose and right end nose × be highly
18.38mm×54.04mm。
Ground is advanced optimized, the angle of plane locating for the upper straight line portion and lower straight line portion is 3.75 °.
Ground is advanced optimized, is equipped with two leads, respectively upper layer lead and lower layer's lead in left end nose one end,
The upper layer lead reverses 90 °.
A kind of manufacturing method of above-mentioned 2.5MW direct wind-driven generator inner stator coil, comprising the following steps:
(1) winding former the production of winding former: is made according to the shape need of coil body；
(2) winding end of electromagnetic wire is fixed on winding former by the winding former made on coil winding machine；
(3) gauge pressure of winding tension control panel is transferred to 4KG/CM2, is then put down around operation；
(4) it puts down around lead cutting winding wire after the completion, is reserved, is removed from winding former after having bound coil side with tape
The coil body wound；With twill band packet protective layer, and in expanding machine clamp position one layer of DMD composite wood of cushioning of coil
Material；
(5) remove lead wire insulation: length by drawing removes lead wire insulation layer with heading machine；
(6) rise type: carrying out the type that rises to coil body using expanding machine；
(7) lead bending, shaping: curved, shaping is carried out by drawing；
(8) conducting wire die mould: removal tape protective layer, year coil body straight line position brush F grade conducting wire glue, brush coating packet take off
Mold layer, upper press die mould, 175 ± 5 DEG C of die mould temperature, temperature keeps the temperature 40 minutes after reaching；
(9) packet insulation against ground is to get this inner stator coil.
With advanced optimizing, the model SKZX-250 of the expanding machine, while it is working, pressure fuel pump 8MPa.
The beneficial effects of the present invention are: the 2.5MW direct wind-driven generator inner stator coil is compound using polyimides F46
Film sintered polyester film mica tape lapped wire is flat to make it have preferable turn-to-turn insulation and insulation against ground around forming, and gathers
The design of ester film dry mica paper tape, alkali-free glass fiber cloth and single-sided ventilating band etc. also makes it have preferably exhausted over the ground
Edge.Wherein, polyimides F46 laminated film sintering polyester film mica tape lapped wire is copper strap wire, and section is rectangle, is compared
In existing common cylindric conducting wire, there is stronger mechanical strength, and structure is relatively simple, manufacture easy to produce reduces
Production cost.The manufacturing method of the 2.5MW direct wind-driven generator inner stator coil is easy to operate, easily operated, fully considers
The details of operation, and can reduce manufacturing cost.To sum up, the present invention is very suitable for wide popularization and application.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is positive structure schematic of the invention.
Fig. 2 is side structure schematic diagram of the invention.
Fig. 3 is the upper straight line portion of coil ontology of the present invention or the section enlarged structure schematic diagram of lower straight line portion.
Fig. 4 is the left end nose of coil ontology of the present invention or the section enlarged structure schematic diagram of right end nose.
In figure, 1, coil body, 2, upper straight line portion, 3, lower straight line portion, 4, left end nose, 5, right end nose, 6, polyester
Film dry mica paper tape, 7, alkali-free glass fiber cloth, 8, single-sided ventilating band, 9, upper layer lead, 10, lower layer's lead.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this hair
It is bright to be described in detail.
As shown in Figs 1-4, the 2.5MW direct wind-driven generator inner stator coil, including it is compound by single polyimides F46
Film sintered polyester film mica tape lapped wire puts down coil body 1 made of, and described 1 the number of turns of coil body is 10-14 circle；Institute
The inside conductor section for stating polyimides F46 laminated film sintering polyester film mica tape lapped wire is rectangle, with a thickness of
3.5-4.2mm, width 15-18mm, the polyimides F46 laminated film are sintered the outer exhausted of polyester film mica tape lapped wire
Edge layer with a thickness of 0.3-0.5mm；The coil body includes the upper straight line portion 2 being located above and underlying lower straight line portion
3, the left side of the upper straight line portion 2 and lower straight line portion 3 is connected by left end nose 4, the upper straight line portion 2 and lower straight line portion 3
Right side is connected by right end nose 5；In the direction perpendicular to coil body 1, the upper straight line portion 2 is parallel with lower straight line portion 3,
And the horizontal distance between it is 2-10mm, the distance of the upper straight line portion 2 and lower straight line portion 3 in vertical direction is 153-
154mm, the present embodiment are preferably 153.13mm.The left end nose 4 and right end nose 5 are arc-shaped, and the radius of inner ring is
15mm；One layer of polyester film dry mica of half-stack package, 6 peace packet is distinguished in the outside of upper straight line portion 2 and lower straight line portion 3
One layer of alkali-free glass fiber cloth 7；In left end, half-stack package two layers polyester film lacks glue respectively in the outside of nose 5 and right end nose 6
One layer of single-sided ventilating band 8 of mica paper tape 6 and half-stack package.
Described 1 the number of turns of coil body is 12 circles.
The thickness in the inside conductor section of the polyimides F46 laminated film sintering polyester film mica tape lapped wire × wide
Degree is 3.98mm × 16.5mm；Polyimides F46 laminated film is sintered the thickness of the external insulation layer of polyester film mica tape lapped wire
Degree is 0.4mm.
The width in the inner stator coil section at the upper straight line portion and lower straight line portion × highly for 17.66mm ×
53.32mm, the width in the inner stator coil section at the left end nose and right end nose × highly for 18.38mm ×
54.04mm.The angle of plane locating for the upper straight line portion 2 and lower straight line portion 3 is 3.75 °.
Two leads, respectively upper layer lead 9 and lower layer's lead 10, the upper layer are equipped in described 5 one end of left end nose
Lead 9 reverses 90 °.
The manufacturing method of above-mentioned 2.5MW direct wind-driven generator inner stator coil, comprising the following steps:
1. the production of winding former: making winding former according to the shape need of coil body；
2. the winding end of electromagnetic wire is fixed on winding former by the winding former made on coil winding machine；
3. the gauge pressure of winding tension control panel is transferred to 4KG/CM2, then put down around operation；
4. it is flat around lead cutting winding wire after the completion, is reserved, it is removed from winding former after having bound coil side with tape
The coil body wound；With twill band packet protective layer, and in expanding machine clamp position one layer of DMD composite wood of cushioning of coil
Material；
5. removing lead wire insulation: length by drawing removes lead wire insulation layer with heading machine；
6. rise type: carrying out the type that rises to coil body using expanding machine；
7. lead bending, shaping: carrying out curved, shaping by drawing；
8. conducting wire die mould: removal tape protective layer, year coil body straight line position brush F grade conducting wire glue, brush coating packet take off
Mold layer, upper press die mould, 175 ± 5 DEG C of die mould temperature, temperature keeps the temperature 40 minutes after reaching；
9. packet insulation against ground is to get this inner stator coil.
The model SKZX-250 of the expanding machine, while it is working, pressure fuel pump 8MPa.
To sum up, the present embodiment 2.5MW direct wind-driven generator inner stator coil has preferable insulation against ground and turn-to-turn
Insulating properties has stronger mechanical strength, and structure is relatively simple, and manufacture easy to produce reduces production cost.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art of the present technique.Finally, it is stated that the above reality
It applies example to be only used to illustrate the technical scheme of the present invention and not to limit it, although having carried out specifically the present invention referring to preferred embodiment
It is bright, those skilled in the art should understand that, can with modification or equivalent replacement of the technical solution of the present invention are made, and
The objective and range for not departing from technical solution of the present invention, are intended to be within the scope of the claims of the invention.
Claims (2)
1. a kind of manufacturing method of 2.5MW direct wind-driven generator inner stator coil, the coil include by single polyimides
F46 laminated film is sintered polyester film mica tape lapped wire and equals the coil body made of, and described coil body the number of turns is 10-14
Circle；The inside conductor section of the polyimides F46 laminated film sintering polyester film mica tape lapped wire is rectangle, thickness
For 3.5-4.2mm, width 15-18mm, the polyimides F46 laminated film is sintered the outer of polyester film mica tape lapped wire
Insulating layer with a thickness of 0.3-0.5mm；The coil body includes the upper straight line portion being located above and underlying lower straight line
Portion, the upper straight line portion are connected with the left side of lower straight line portion by left end nose, the right side of the upper straight line portion and lower straight line portion
It is connected by right end nose；On the direction perpendicular to coil body, the upper straight line portion is parallel with lower straight line portion, and between it
Horizontal distance be 2-10mm, the distance of the upper straight line portion and lower straight line portion in vertical direction be 153-154mm, the left side
End nose and right end nose are arc-shaped, and the radius of inner ring is 15mm；Distinguish in the outside of upper straight line portion and lower straight line portion
Half-stack package one layer of polyester film dry mica peace packet, one layer of alkali-free glass fiber cloth；Nose and right end nose in left end
Distinguish one layer of single-sided ventilating band of half-stack package two layers polyester film dry mica paper tape and half-stack package in outside；
Described coil body the number of turns is 12 circles；The polyimides F46 laminated film sintering polyester film mica tape lapped wire
Thickness × the width in inside conductor section is 3.98mm × 16.5mm；The polyimides F46 laminated film is sintered polyester film cloud
The external insulation layer of master tape winding wire with a thickness of 0.4mm；Inner stator coil section at the upper straight line portion and lower straight line portion
Width × highly be 17.66mm × 53.32mm, the width in the inner stator coil section at the left end nose and right end nose
Degree × it is highly 18.38mm × 54.04mm；The angle of plane locating for the upper straight line portion and lower straight line portion is 3.75 °；Institute
Left end nose one end is stated equipped with two leads, respectively upper layer lead and lower layer's lead, the upper layer lead reverses 90 °；It is special
Sign is, the manufacturing method the following steps are included:
(1) winding former the production of winding former: is made according to the shape need of coil body；
(2) winding end of electromagnetic wire is fixed on winding former by the winding former made on coil winding machine；
(3) gauge pressure of winding tension control panel is transferred to 4kg/cm2, then put down around operation；
(4) it puts down around lead cutting winding wire after the completion, is reserved, removes and wind from winding former after having bound coil side with tape
Coil body；With twill band packet protective layer, and in expanding machine clamp position one layer of DMD composite material of cushioning of coil；
(5) remove lead wire insulation: length by drawing removes lead wire insulation layer with heading machine；
(6) rise type: carrying out the type that rises to coil body using expanding machine；
(7) lead bending, shaping: curved, shaping is carried out by drawing；
(8) conducting wire die mould: removal tape protective layer, year coil body straight line position brush F grade conducting wire glue, brush coating packet demould
Layer, upper press die mould, 175 ± 5 DEG C of die mould temperature, temperature keeps the temperature 40 minutes after reaching；
(9) packet insulation against ground is to get this inner stator coil.
2. the manufacturing method of 2.5MW direct wind-driven generator inner stator coil according to claim 1, which is characterized in that
The model SKZX-250 of the expanding machine, while it is working, pressure fuel pump 8MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798774.2A CN106329784B (en) | 2016-08-31 | 2016-08-31 | 2.5MW direct wind-driven generator inner stator coil and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798774.2A CN106329784B (en) | 2016-08-31 | 2016-08-31 | 2.5MW direct wind-driven generator inner stator coil and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106329784A CN106329784A (en) | 2017-01-11 |
| CN106329784B true CN106329784B (en) | 2019-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610798774.2A Active CN106329784B (en) | 2016-08-31 | 2016-08-31 | 2.5MW direct wind-driven generator inner stator coil and its manufacturing method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131691B (en) * | 2019-12-30 | 2023-04-07 | 新疆金风科技股份有限公司 | Motor forming coil and forming method and forming system thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201204492Y (en) * | 2007-12-28 | 2009-03-04 | 株洲时代新材料科技股份有限公司 | Insulated structure used by wind-driven generator |
| CN101409483A (en) * | 2008-11-27 | 2009-04-15 | 高培庆 | Full-automatic topological expanding machine for stator coil of megawatt wind power generator |
| CN201230238Y (en) * | 2008-06-27 | 2009-04-29 | 江苏申港电磁线有限公司 | Stator winding wire for one-time molding three layers of thin film package wind power generator |
| CN201956772U (en) * | 2011-01-07 | 2011-08-31 | 柳州市明阳机电制造有限责任公司 | Wind-driven generator coil |
| CN102185439A (en) * | 2011-05-18 | 2011-09-14 | 江苏冰城电材股份有限公司 | Manufacturing method of insulation structure of 3 megawatt wind driven generator stator coil |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05227689A (en) * | 1992-02-14 | 1993-09-03 | Toshiba Corp | Winding for electric machine |
-
2016
- 2016-08-31 CN CN201610798774.2A patent/CN106329784B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201204492Y (en) * | 2007-12-28 | 2009-03-04 | 株洲时代新材料科技股份有限公司 | Insulated structure used by wind-driven generator |
| CN201230238Y (en) * | 2008-06-27 | 2009-04-29 | 江苏申港电磁线有限公司 | Stator winding wire for one-time molding three layers of thin film package wind power generator |
| CN101409483A (en) * | 2008-11-27 | 2009-04-15 | 高培庆 | Full-automatic topological expanding machine for stator coil of megawatt wind power generator |
| CN201956772U (en) * | 2011-01-07 | 2011-08-31 | 柳州市明阳机电制造有限责任公司 | Wind-driven generator coil |
| CN102185439A (en) * | 2011-05-18 | 2011-09-14 | 江苏冰城电材股份有限公司 | Manufacturing method of insulation structure of 3 megawatt wind driven generator stator coil |
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| CN106329784A (en) | 2017-01-11 |
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