CN206164242U - Hydroelectric generator stator strip formula line stick - Google Patents
Hydroelectric generator stator strip formula line stick Download PDFInfo
- Publication number
- CN206164242U CN206164242U CN201621026918.4U CN201621026918U CN206164242U CN 206164242 U CN206164242 U CN 206164242U CN 201621026918 U CN201621026918 U CN 201621026918U CN 206164242 U CN206164242 U CN 206164242U
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- China
- Prior art keywords
- bar
- hydroelectric generator
- generator stator
- formula
- line stick
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model relates to a hydroelectric generator stator strip formula line stick, including top bar and lower bar, by dacron glass silk sintering package flat copper wire coiled line stick body, line stick body is the V -arrangement structure, and the mid portion of its opening both sides is equipped with one section sharp portion that is parallel to each other, be the closed end of V -arrangement below the straight line portion, its top is equipped with lead riser, be the V -arrangement open end more than the straight line portion, its both sides tip is equipped with lead riser, strip formula line stick comprises 28 electromagnetic wires that divide into 2 rows, and line stick body electromagnetic wire cross -section is the rectangle, and the conductor thickness width on its naked layer is 2.3mm 5.5mm. The utility model discloses parcel epoxy powder mica board and the epoxy glass fibre mica tapes of gluing have better interturn insulation nature and insulation against ground nature more, and the flat copper wire cross -section is the rectangle, and intensity is high. The large -scale hydroelectric generator who is applicable to high -power, large capacity organizes, good, the production and processing of being convenient for of its insulating properties, and product quality is high.
Description
Technical field
The utility model is related to generating set technical field, the stator bar that especially a kind of large-scale hydro-generating Unit is used
Formula bar.
Background technology
With the development of China's hydraulic power generation technology, the capacity of hydro-generating Unit is continuously available lifting.The core of generator
Center portion part stator coil and rotor coil also dissipate locking-type winding and develop into jumbo formation type winding from low capacity, achieve huge
Big progress.The stator bar of hydroelectric generator is applied to high-power, jumbo hydro-generating Unit, and its structure is more multiple
Miscellaneous, manufacture is difficult, must can be manufactured using special frock, mould and technique during production.At present, it is currently used for waterpower
The stator bar formula bar generally existing insulating properties of generating are poor, the shortcoming that mechanical strength is low and manufacturing cost is high, therefore, need one badly
Planting can solve the stator bar formula bar of above-mentioned technical problem.
Utility model content
The purpose of this utility model is to provide a kind of high-power, Large Copacity, and the big water of good insulation preformance, mechanical strength
The stator bar formula bar that power generator group is used.
The purpose of this utility model is achieved by the following technical solution：
A kind of hydroelectric generator stator bar formula bar, including top bar and lower bar, bar formula bar is by terylene glass
Silk sintering wire copper-clad flat line is coiled into bar body, and the bar body generally V-shaped structure, the mid portion of its opening both sides is provided with
One section of line part being parallel to each other；The bar body line part the following is V-arrangement closed end, and its top is provided with lead riser；It is described
More than bar body line part it is V-arrangement openend, the both side ends of V-arrangement openend are provided with respectively lead riser；The bar body
The number of turn be 12-18 circles.
Used as optimal technical scheme of the present utility model, the bar formula bar is made up of 28 electromagnetic wires for being divided into 2 rows, line
The rectangular cross-section structure of electromagnetic wire used by rod body, the conductor thickness × width of its naked layer is 2.3mm × 5.5mm, is wrapped
Conductor thickness × the width of insulating barrier is 2.6mm × 5.8mm.
Used as optimal technical scheme of the present utility model, 48 electromagnetic wires of the bar line part are set to 360 degree of stocks
Line replaces.
Used as optimal technical scheme of the present utility model, the lead riser of the bar formula bar adopts silver-bearing copper soldering and sealing.
Used as optimal technical scheme of the present utility model, the outer layer covers of the bar body have many rubber powder micarexs of epoxy
With epoxy glass fiber mica tape.
The beneficial effects of the utility model are：Relative to prior art, the utility model is adopted by dacron glass yarn sintered
The bar body that wire copper-clad flat line is coiled into so as to preferable turn-to-turn insulation and insulation against ground, the outer layer bag of bar body
The many rubber powder micarexs of epoxy and epoxy glass fiber mica tape are wrapped up in, more preferable insulation against ground is also made it have.Wherein copper strap wire
Rectangular cross-section is designed, with higher mechanical strength.The utility model is applied to high-power, jumbo large-scale hydroelectric generation
Unit, its good insulation preformance, mechanical strength are big, are easy to production and processing, reduce production cost, and product quality is high.
Description of the drawings
Fig. 1 is main structure diagram of the present utility model.
Fig. 2 is the right side structural representation of Fig. 1.
Fig. 3 is the structural representation of this body section of the utility model bar.
In figure：1st, bar body, 2, line part, 3, top bar, 4, lower bar, 5, V-arrangement closed end, 6, V-arrangement opening
End, 7, lead riser, 8, many rubber powder micarexs of epoxy, 9, epoxy glass fiber mica tape.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail with specific embodiment：
As shown in Figure 1, Figure 2 and Figure 3, a kind of hydroelectric generator stator bar formula bar, including top bar 3 and lower bar
4, bar formula bar is coiled into bar body 1 by dacron glass yarn sintered wire copper-clad flat line, the generally V-shaped structure of the bar body 1, its
The mid portion of opening both sides is provided with one section of line part 2 being parallel to each other；The line part 2 of the bar body 1 the following is V-arrangement closure
End 5, its top is provided with lead riser 7；The line part more than 2 of the bar body 1 is V-arrangement openend 6, the two side ends of V-arrangement openend 6
Portion is respectively equipped with lead riser 7, and the number of turn of bar body 1 is 12-18 circles.
In the present embodiment, the bar formula bar is made up of 28 electromagnetic wires for being divided into 2 rows, electromagnetic wire used by bar body 1
Rectangular cross-section structure, the conductor thickness × width of its naked layer is 2.3mm × 5.5mm, the conductor thickness of bag insulating barrier
× width is 2.6mm × 5.8mm.48 electromagnetic wires of the bar line part are set to 360 degree of strand transpositions.The bar formula line
The lead riser 7 of rod adopts silver-bearing copper soldering and sealing, the outer layer covers of bar body 1 to have many rubber powder micarexs 8 of epoxy and epoxy glass fiber
Mica tape 9.
The utility model causes in the conductor eddy-current loss to reduce leakage field, and conductor is divided into into many phases along groove depth direction
Mutually the tree lace of insulation, causes the added losses that circulating current is produced between strand, strand to be replaced to reduce stray field,
I.e. bar is replaced in groove portion using 360 °.
Bar manufacturing process flow is as follows：1st, blanking, 2, go lead wire insulation, 3, packet, 4, bend, 5, braiding, 6, pad row
Between insulation, transposition insulation, 7, bag protection band (tape), 8, end it is curved, 9, remove protection band, 10, pad transposition filling insulation
And bag tetrafluoro demoulding band, 11, pressure wire, 12, check size, strand insulation, outward appearance, shape, 13, bag major insulation and anti-halo layer,
14th, bag tetrafluoro demoulding band, 15, major insulation die mould, 16, check outward appearance, size, major insulation globality, low-resistance corona-prevention layer resistance value,
Discharge inception voltage, pressure test, survey dielectric loss etc..Mould used in production process has：1st, wire bending die, 2, the curved mould in end,
3rd, wire press-moulding die, 4, major insulation press-moulding die, 5, bar shape calibration mode.
Above-described embodiment is only limitted to illustrate design of the present utility model and technical characteristic, its object is to allow the skill of this area
Art personnel understand the technical scheme and embodiment of utility model, can not accordingly limit protection domain of the present utility model.It is all
It is the equivalent or equivalence changes made according to technical solutions of the utility model, all should covers in protection model of the present utility model
Within enclosing.
Claims (5)
1. a kind of hydroelectric generator stator bar formula bar, is characterized in that：The bar formula bar includes top bar and lower bar,
Bar formula bar is coiled into bar body, the bar body generally V-shaped structure, its opening by dacron glass yarn sintered wire copper-clad flat line
The mid portion of both sides is provided with one section of line part being parallel to each other；The bar body line part the following is V-arrangement closed end, its top
End is provided with lead riser；More than the bar body line part it is V-arrangement openend, the both side ends of V-arrangement openend are provided with respectively draws
The end of a thread；The number of turn of the bar body is 12-18 circles.
2. hydroelectric generator stator bar formula bar according to claim 1, is characterized in that：The bar formula bar is by being divided into 2
28 electromagnetic wires of row are constituted, the rectangular cross-section structure of electromagnetic wire used by bar body, and the conductor thickness of its naked layer ×
Width is 2.3mm × 5.5mm, and the conductor thickness × width of bag insulating barrier is 2.6mm × 5.8mm.
3. hydroelectric generator stator bar formula bar according to claim 2, is characterized in that：48 of the bar line part
Electromagnetic wire is set to 360 degree of strand transpositions.
4. hydroelectric generator stator bar formula bar according to claim 1, is characterized in that：The lead riser of the bar formula bar
Using silver-bearing copper soldering and sealing.
5. hydroelectric generator stator bar formula bar according to claim 1, is characterized in that：The outer layer bag of the bar body
It is wrapped with many rubber powder micarexs of epoxy and epoxy glass fiber mica tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621026918.4U CN206164242U (en) | 2016-08-31 | 2016-08-31 | Hydroelectric generator stator strip formula line stick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621026918.4U CN206164242U (en) | 2016-08-31 | 2016-08-31 | Hydroelectric generator stator strip formula line stick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206164242U true CN206164242U (en) | 2017-05-10 |
Family
ID=58651312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621026918.4U Active CN206164242U (en) | 2016-08-31 | 2016-08-31 | Hydroelectric generator stator strip formula line stick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206164242U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107332379A (en) * | 2017-08-24 | 2017-11-07 | 上海上电电机股份有限公司 | A kind of frog shape winding and its manufacture method |
| CN108400665A (en) * | 2018-05-10 | 2018-08-14 | 邹跃洲 | Motor stator and its manufacturing method, motor |
-
2016
- 2016-08-31 CN CN201621026918.4U patent/CN206164242U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107332379A (en) * | 2017-08-24 | 2017-11-07 | 上海上电电机股份有限公司 | A kind of frog shape winding and its manufacture method |
| CN108400665A (en) * | 2018-05-10 | 2018-08-14 | 邹跃洲 | Motor stator and its manufacturing method, motor |
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