CN107342645A - For motor rotor or stator electric winding conductor element - Google Patents
For motor rotor or stator electric winding conductor element Download PDFInfo
- Publication number
- CN107342645A CN107342645A CN201710300655.4A CN201710300655A CN107342645A CN 107342645 A CN107342645 A CN 107342645A CN 201710300655 A CN201710300655 A CN 201710300655A CN 107342645 A CN107342645 A CN 107342645A
- Authority
- CN
- China
- Prior art keywords
- conductor element
- bending
- bending area
- insulating barrier
- stator
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
-
- 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
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
-
- 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
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The present invention relates to a kind of rotor for motor or the conductor element of the electric winding of stator（10）, wherein, the conductor element（10）With the first insulating barrier and along its longitudinal extension part with one or more bending area（20、30、40）, and wherein, the conductor element（10）Only in one or more of bending areas（20、30、40）In have applied the second insulating barrier being applied on first insulating barrier.Wherein the advantages of is that the conductor element generally has high breakdown voltage strength.
Description
Technical field
The present invention relates to a kind of rotor for motor or the conductor element of the electric winding of stator, it is a kind of have stator or
The method of the conductor element of the bending of the motor of person's rotor and the electric winding of a kind of stator for being used to manufacture motor or rotor.
Background technology
The motor as being such as used for motor vehicle driven by mixed power or electric vehicle must is fulfilled for a series of requirements.Due to tight
The structure space regulation of lattice, the especially needed very high power density of the motor.It is a kind of it is possible, for realizing high power density
Starting point（Ansatzpunkt）It is the minimum of coiling height of head.Although conductor element in the coiling head is must
Want, because they realize connection of the conductor element in groove, but the conductor only in the groove is close on power
Degree rise is worked in terms of electromagnetism.For this reason, it is directed to realizing the connection of two grooves as far as possible shortly.This typically comes
Say and cause narrow bending radius at coiling head elements.The reduction of the bending radius increases the office at the kind of thread elements
The strain in portion（Dehnung）（Stretching strain and compressive strain）.In general the increase of stretching strain causes insulating barrier or thickness of paint layer
Local reduction.The thickness of paint layer possesses important influence to the breakdown voltage strength of the winding in itself.It is local thinner
Insulating barrier or enamelled coating reduce the breakdown voltage strength of whole winding because for failure situation, always most poorly
The breakdown voltage strength at region to be insulated is conclusive.The insulating barrier therefore should be thick everywhere, because described lead
Although the region that the part of volume elements part is preferably insulated plants oneself space, but in general not provided for voltage strength
Positive contribution.
Conductor element traditionally manufacturing, by bending（Grafting technology）The stator and rotor of composition are on its primary insulation
Portion or insulating barrier（Enamelled coating, insulating paper）Have under normal circumstances in the coiling head or the region of winding less
Breakdown voltage strength.In order to tackle this point, it is impregnating resin or similar material such as to apply conformal formula in the prior art
Secondary insulation division.Therefore, the rotor/stator can be completely or partially put into impregnating resin pond（Immersion impregnates）
In.As an alternative, the impregnating resin also can only be applied be applied to the rotor either the coiling head of stator or
On winding（Dropping type impregnates）.In both approaches, subsequent cleaning process be probably it is necessary, for by resin from work(
Can face（Bearing block, stator interior diameter etc.）Upper removing.This point is generally quite time-consuming.The coiling head or winding and groove
In general the small viscosity that the capillarity of seam combines the impregnating resin by heating causes following result in addition：Superinsulation
Portion targetedly can not partly coat and can only partly coat.Here, thus in general to consume than needs
The more materials of material.This improves cost.The method that another kind is used for secondary insulation division is the stator or rotor
Full casting（Vollverguss）.Usual material is put into herein and thus cost is all very high.
The content of the invention
Embodiments of the present invention can realize offer in an advantageous manner or manufacture a kind of conductor element, and the conductor is first
Part is with high breakdown voltage strength while with small thickness of insulating layer.
A kind of according to a first aspect of the present invention it is proposed conductor member of the electric winding of rotor or stator for motor
Part, wherein, the conductor element is with the first insulating barrier and along its longitudinal extension part with one or more buckled zone
Domain, and wherein, the conductor element only has to be applied in one or more of bending areas is applied to described first
The second insulating barrier on insulating barrier.
Wherein the advantages of is in general the conductor element has high breakdown voltage strength.In addition, the insulating barrier
（Namely the first insulating barrier and the second insulating barrier are together）In general there is small thickness.Thus the conductor element is described
Small space is only occupied in rotor or stator.It is also advantageous that second insulating barrier only actually needs it
Region in applied apply and do not need its region in do not applied it is deposited.In general this saves material and reduced into
This.
The conductor element can have bending radius respectively in one or more of bending areas.
Region un-flexed, without the second insulating barrier can be set between the bending area.Wherein the advantages of is allusion quotation
Need especially few material type.It reduce cost.
The conductor element can be configured to hair clip shape, U-shaped or p-shaped.Wherein the advantages of is, in general the conductor
Element can technically be particularly easy to for grafting technology come the stator or rotor that manufacture.
The conductor element can have two support arm sections and the jointing for connecting the support arm section, its
In, the bending area is arranged in jointing.Thus the conductor element typically can be technically particularly easy to
Ground and it is particularly useful for grafting technology the stator or rotor that manufacture.
It is another aspect of this invention to provide that propose a kind of motor with stator or rotor, the stator or rotor
Including the groove for receiving the conductor element by one of aspect described above, wherein, the electrical conductive elements, which are formed, to be used for
The connecting element of the stator or rotor is electrically connected, and/or the support arm section of the conductor element is arranged in the groove
In, and the jointing of the conductor element forms coiling head.Wherein the advantages of is that the motor is in general described
There is especially few material in insulating barrier.This typically reduces the weight of the motor and reduces cost.It is in addition, described
The gross thickness of insulating barrier is typically especially small.Which save space so that in general the coiling head can have special
The conductor element of high density.The connecting element is configured to especially breakdown voltage resistant herein.Thus, in general described
Short circuit is particularly effectively prevented in the region of connecting element.
It is another aspect of this invention to provide that propose a kind of leading for bending for being used to manufacture stator or rotor for motor
The method of volume elements part, this method comprise the following steps：
Conductor element provided with the first insulating barrier is provided；
The conductor element is bent in the first bending area of the conductor element；And
After the conductor element is bent in first bending area, only by second in first bending area
Insulating barrier, which is applied, to be applied on first insulating barrier.
Wherein the advantages of is that in general the conductor element has high breakdown voltage strength.In addition, the insulating barrier
（Namely the first insulating barrier and the second insulating barrier are together）There is small thickness mostly.Thus the conductor element is in the rotor
Or small space is typically only occupied in stator.It is also advantageous that second insulating barrier only actually needs
Applied in its region and apply and do not applied in its region is not needed deposited.In general this saves material and reduced
Cost.
Second insulating barrier can be applied by means of method of application it is deposited, in the method for application, applied material or
The reset condition of insulating materials is gaseous.Wherein the advantages of is to ensure that the applied material or insulating materials reach institute
State on each point of the first or second bending area.Also it is contemplated that the reset condition of the applied material is solid-state, liquid
It is state or being dissolved.
Deposited second insulating barrier can be applied in the following manner：Only the first bending area of the conductor element is immersed
Into the infiltration pond with insulating materials.In this respect advantageously, because being immersed in few quality in the infiltration pond,
The insulating materials of second insulating barrier is applied to be applied on the conductor element and is only required to small Energy input mostly.
The viscosity of the insulating materials in the infiltration pond can be set according to the bending radius of first bending area to adjust.By
This described superinsulation portion being capable of typically accurately with the BENDING PROCESS/bending radius or thus caused thickness of paint layer
Reduction matches.Thus the material input of minimum can in general be ensured.The ratio of viscosities of the insulating materials is if pass through
The change of the temperature of the insulating materials in the infiltration pond changes.
As an alternative, others, the method for application for applying coating insulation material can also be used, as such as powder is applied
Apply, paint, spray application etc..
In addition, methods described can comprise the following steps：The conductor element, especially with first bending area
The conductor element is bent in the second different bending areas, bent the conductor element in second bending area
Afterwards, only the second insulating barrier is applied in second bending area and be applied on first insulating barrier.Thus typically can
Enough technically easily to manufacture the conductor element being repeatedly bent, the conductor element has high breakdown voltage strength.
The can be depended on by being applied the thickness for the second insulating barrier being applied on the first bending area and/or the second bending area
The bending radius of one bending area and/or the second bending area.Thus, it is possible to typically make additional insulating barrier accurately with one
Individual BENDING PROCESS/multiple BENDING PROCESSs or thus caused insulating barrier reduction（Thickness of paint layer reduces）Match.Thus it is most
The material input of minimum can be ensured.
Second insulating barrier can be applied with such thickness and applied in first bending area and/or the second bending area
In so that the summation of the thickness of the first insulating barrier and the second insulating barrier at least, especially just equivalent to by the first buckled zone
Before the bending of domain the thickness of the first insulating barrier in the first bending area and/or before the second bending area is bent the
The thickness of the first insulating barrier in two bending areas.Wherein the advantages of, is, in general in a BENDING PROCESS or multiple curved
The breakdown voltage strength of conductor element before bent process is restored by second insulating barrier and either compensates or improve,
If the material of first and second insulating barrier has same disruptive field intensity.
If the material of first and second insulating barrier has different disruptive field intensities, that just should so select described
The thickness of second insulating barrier so that the breakdown voltage of the conductor element after bending and applying deposited second insulating barrier
Intensity is equivalent to the breakdown voltage strength before the BENDING PROCESS.
In another step, the conductor element of bending can form motor with the conductor element of other bending
Rotor either the coiling head of the rotor of a part for stator, especially motor or stator and applying deposited second insulating barrier
It is intersected with each other afterwards.Because the intersection of the conductor element represents the extra mechanical load of the conductor element, can
Can significantly, described above apply of second insulating barrier is applied in the larger context or come with bigger thickness
Carry out, so as to the not only BENDING PROCESS but also the crossover process is all compensated on the breakdown voltage strength.
The conductor element can be configured to what is stretched as the crow flies completely before the first BENDING PROCESS.
The bending area is respectively from the position of the conductor element --- opened in conductor element described in the opening position
Begin --- leave straight line（Namely there is curvature relative to the straight part abutted directly against of the conductor element）Prolong always
The following regions or position of the conductor element are reached, it is straight to have again in conductor element described in the region or opening position
The shape of ground stretching, extension（Namely no longer there is curvature）.The straight part of the conductor element there is no curvature.It is described
Conductor element has not insignificant curvature, that is until line width or the song of line thickness in the bending area
Rate radius.The conductor element, two angles with the region that corresponding bending area is arranged with abutting directly against with least 1 °
Degree.
Bending section or bending area enable in particular to be configured to arch, that is to say, that the bending area has constant respectively
Curvature or constant bending radius.Also it is contemplated that the curvature or the bending radius are in corresponding bending area
Middle change.
Second insulating barrier can be applied with such thickness and applied in first bending area and/or second bending
In region so that the breakdown voltage of the first and second insulating barriers together in the first bending area and/or the second bending area
Intensity is equal to or more than before by the first bending area either bending of the second bending area in the first bending area or the
The breakdown voltage strength of the first insulating barrier in two bending areas.Thereby guarantee that, before bending described first or second
Breakdown voltage strength present in bending area is at least restored, even if the insulating materials of first insulating barrier has and institute
State the different disruptive field intensity of the insulating materials of the second insulating barrier.
Design on embodiments of the present invention enables in particular to be considered as based on idea and understanding discussed below.
Brief description of the drawings
Embodiments of the present invention are described with reference to the accompanying drawings, wherein, not only accompanying drawing but also specification should
This is read as limitation of the present invention.Wherein：
Fig. 1 shows the schematic diagram of the immersion of the first bending area of the conductor element；
Fig. 2 shows the schematic diagram of the immersion of the second bending area of the conductor element；
Fig. 3 shows the schematic diagram of the immersion of the 3rd bending area of the conductor element；And
Fig. 4 shows a kind of schematic diagram by embodiments of the present invention of the bender element.
Accompanying drawing is only schematical and not to scale (NTS).Identical reference represents identical or risen in the accompanying drawings
The feature of phase same-action.
Embodiment
Fig. 1 shows the schematic diagram of the immersion of the first bending area 20 of the conductor element 10.Fig. 2 shows described lead
The schematic diagram of the immersion of second bending area 30 of volume elements part 10.Fig. 3 shows the 3rd bending area of the conductor element 10
The schematic diagram of 40 immersion.Fig. 4 shows a kind of schematic diagram by embodiments of the present invention of the conductor element 10.
The conductor element 10 is provided with the first insulating barrier in large area.Two ends of the conductor element are not provided with first
Insulating barrier.The first insulating barrier ratio is if be synthetic resin or plastics.The conductor element 10 be configured to wire and
It is configured to conduct electric current.Especially described conductor element 10 is used as one of motor, such as the rotor of electro-motor or stator
Point.
The conductor element 10 is made up of metal or metal alloy.Will construction, that is base as the crow flies completely first
The conductor element 10 for not having bending in sheet has such as deasil bent about 90 ° in the first bending area 20.Then only
By first bending area 20（Shown in Fig. 1 with hacures）It is immersed in infiltration pond 50.The conductor element 10
Other regions or part are un-immersed into the infiltration pond 50.The infiltration pond 50 includes becoming liquid by heating
Insulating materials 55.Thus the insulating materials 55 is applied in first bending area 20 on first insulating barrier
And form the second insulating barrier.
Then by the conductor element 10 in another region different from first bending area 20, the second buckled zone
Again the bending direction that first bending area 20 such as widdershins, is that is in reverse in domain 30 has been bent about
90°.Thus the conductor element 10 substantially possesses S-shaped.Second bending area 30 is only then dipped into the infiltration
In pond 50.Thus only applied using the insulating materials 55 as the second insulating barrier in second bending area 30 described in being applied to
On first insulating barrier.
Now by the conductor element 10 with first bending area 20 and with second bending area 30 not
About 180 ° have such as deasil been bent in the 3rd same bending area 40.3rd bending area 40 is in described first
Between bending area 20 and second bending area 30.The conductor element 10 has a kind of similar with capital P now
As shape.Only the 3rd bending area 40 is inserted into the infiltration pond 50 now, and thus the described 3rd
Second insulating barrier is only applied in bending area 40 and is applied on first insulating barrier.
Thus after each BENDING PROCESS（Before next BENDING PROCESS if necessary）Only give conductor member
Part 10, the region that has been bent respectively arrange the second insulating barrier（On first insulating barrier）.This region is referred to as
Bending area.
Also it is contemplated that corresponding bending area only just only is immersed in into the infiltration after multiple BENDING PROCESSs
Chi Zhong.This can be carried out simultaneously or successively by the moulding of the bending area.
The insulating materials can include either synthetic resin, paint.The insulating materials of first insulating barrier can be
With the insulating materials identical material of second insulating barrier.Also it is contemplated that the insulating materials of described two insulating barriers is not
With.
With it is other（Similar or structure identical）By the conductor element 10 before conductor element intersection（Individually
Ground）The coiling head of stator or rotor is bent to, and before another BENDING PROCESS or in last bending
By the way that corresponding bending area 20,30,40 only is immersed into this mode to the conductor element described first after process
The second insulating barrier is arranged on insulating barrier.
The region 45 without the second insulating barrier is respectively present between corresponding bending area 20,30,40.
Also it is contemplated that the conductor element 10 be the connecting element for electrically connecting the stator or rotor and from
Stretched in the coiling head.Therefore, the conductor element 10 is only bent once（For example about 90 ° are bent）And
Second insulating barrier is only applied be applied on first bending area after be arranged in before the intersection it is described around
In the end of a thread portion.
Bending the conductor element 10 finished has the shape of capital P.Two support arm sections 60,65 are substantially put down each other
Stretch capablely.The support arm section 60,65 can be received within the groove of rotor or stator.The jointing 70 is described
Extend between two support arm sections 60,65.Three bending areas 20,30,40 are in the jointing 70.It is described to lead
The jointing 70 of volume elements part 10 forms the coiling head elements of rotor or stator.The jointing 70 of the conductor element 10
Intersect with the other jointing of other conductor element 10, for forming the bobbin winding head of the rotor of motor or stator
Portion.Described first is applied to after BENDING PROCESS in the bending area 20,30,40 and second insulating barrier is applied
Carry out the crossover process after on insulating barrier, it is described apply to apply only bent through in the bending area 20,30,40 each
Carried out after journey.
The longitudinal extension part of the conductor element 10 stretches from top to bottom or on the contrary in Fig. 4.
First insulating barrier is completely covered in the bending area 20,30,40 in second insulating barrier.
Finally, it is to be noted, that the concept as " having ", " comprising " etc. is not excluded for other elements or step, and
The concept as "one" is not excluded for multiple.Reference in claim should not be regarded as limiting.
Claims (13)
1. it is used for the rotor of motor or the conductor element of the electric winding of stator（10）,
Wherein, the conductor element（10）It is with the first insulating barrier and curved with one or more along its longitudinal extension part
Bent region（20、30、40）, and
Wherein, the conductor element（10）Only in one or more of bending areas（20、30、40）In have applied it is deposited
The second insulating barrier onto first insulating barrier.
2. the conductor element as described in claim 1（10）,
Wherein, the conductor element（10）In one or more of bending areas（20、30、40）It is middle that there is bending half respectively
Footpath.
3. the conductor element as described in claim 1 or 2（10）,
Wherein, in the bending area（20、30、40）Between be provided with it is un-flexed, without the second insulating barrier region.
4. the conductor element as any one of preceding claims（10）,
Wherein, the conductor element（10）It is configured to hair clip shape, U-shaped or p-shaped.
5. the conductor element as any one of preceding claims（10）,
Wherein, the conductor element（10）With two support arm sections and the jointing for connecting the support arm section,
Wherein, the bending area（20、30、40）It is arranged in the jointing.
6. the motor with stator or rotor, the stator or rotor, which have to be used to receive to press in preceding claims, appoints
Conductor element described in one（10）Groove, wherein,
- the electrical conductive elements（10）Form the connecting element for electrically connecting the stator or the rotor；And/or
- the conductor element（10）Support arm section be arranged in the groove and the conductor element（10）Jointing shape
Into coiling head.
7. the conductor element of the bending for manufacturing stator or rotor for motor（10）Method, methods described include with
Lower step：
Conductor element provided with the first insulating barrier is provided（10）；
In the conductor element（10）The first bending area（20）It is middle by the conductor element（10）Bending；And
In first bending area（20）It is middle by the conductor element（10）After bending, only in first bending area
（20）Middle apply the second insulating barrier is applied on first insulating barrier.
8. the method as described in claim 7,
Wherein, deposited second insulating barrier is applied in the following manner：Only by the conductor element（10）The first bending area
（20）It is immersed in insulating materials（55）Infiltration pond（50）In.
9. the method as claim 7 or 8, especially as described in claim 8, wherein, the infiltration pond（50）Insulation material
Material（55）Viscosity according to first bending area（20）Bending radius set to adjust.
10. the method as any one of claim 7 to 9, methods described comprise the following steps in addition：
In the conductor element（10）, especially with first bending area（20）The second different bending areas（30）It is middle to incite somebody to action
The conductor element（10）Bending；
In second bending area（30）It is middle by the conductor element（10）After bending, only in second bending area
（30）Middle apply the second insulating barrier is applied on first insulating barrier.
11. the method as any one of claim 7 to 10,
Wherein, applied and be applied to the first bending area（20）And/or second bending area（30）On the thickness of the second insulating barrier take
Certainly in the first bending area（20）And/or second bending area（30）Bending radius.
12. the method as any one of claim 7 to 11,
Wherein, second insulating barrier is applied with such thickness and applied in first bending area（20）It is and/or described second curved
Bent region（30）In so that the summation of the thickness of first insulating barrier and the second insulating barrier at least, especially just equivalent to
- by first bending area（20）In first bending area before bending（20）In the first insulating barrier thickness
Degree
And/or
- by second bending area（30）In second bending area before bending（30）In the first insulating barrier thickness
Degree.
13. the method as any one of claim 7 to 12,
Wherein, second insulating barrier is applied with such thickness and applied in first bending area（20）It is and/or described second curved
Bent region（30）In so that in the first bending area（20）And/or second bending area（30）In the first and second insulating barriers
Breakdown voltage strength together is equal to or more than by the first bending area（20）Or second bending area（30）Bend it
It is preceding in the first bending area（20）Or second bending area（30）In the first insulating barrier breakdown voltage strength.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016207618.3A DE102016207618A1 (en) | 2016-05-03 | 2016-05-03 | Conductor element for an electrical winding of a rotor or stator of an electrical machine |
| DE102016207618.3 | 2016-05-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107342645A true CN107342645A (en) | 2017-11-10 |
Family
ID=60119314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710300655.4A Pending CN107342645A (en) | 2016-05-03 | 2017-05-02 | For motor rotor or stator electric winding conductor element |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107342645A (en) |
| DE (1) | DE102016207618A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201238225Y (en) * | 2008-06-27 | 2009-05-13 | 金群力 | Insulation structure of 10kV high-voltage variable-frequency motor |
| CN201274430Y (en) * | 2008-09-18 | 2009-07-15 | 天津市天发重型水电设备制造有限公司 | Stator coil for motor anti-corona structure |
| CN201450380U (en) * | 2009-07-02 | 2010-05-05 | 无锡市中达电机有限公司 | Anti-corona structure of stator coil of high-voltage motor |
| KR20120001195A (en) * | 2010-06-29 | 2012-01-04 | 한국델파이주식회사 | A stator asm for an alternator and a manufacturing method thereof |
| CN203416067U (en) * | 2013-07-31 | 2014-01-29 | 东方电气（乐山）新能源设备有限公司 | Double-fed aerogenerator insulation system |
| CN104092324A (en) * | 2014-07-21 | 2014-10-08 | 苏州贯龙电磁线股份有限公司 | Double-insulation electromagnetic wire for wind turbine generator |
| CN205105011U (en) * | 2015-11-12 | 2016-03-23 | 东方电气集团东风电机有限公司 | Prevent dizzy stator |
-
2016
- 2016-05-03 DE DE102016207618.3A patent/DE102016207618A1/en not_active Withdrawn
-
2017
- 2017-05-02 CN CN201710300655.4A patent/CN107342645A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201238225Y (en) * | 2008-06-27 | 2009-05-13 | 金群力 | Insulation structure of 10kV high-voltage variable-frequency motor |
| CN201274430Y (en) * | 2008-09-18 | 2009-07-15 | 天津市天发重型水电设备制造有限公司 | Stator coil for motor anti-corona structure |
| CN201450380U (en) * | 2009-07-02 | 2010-05-05 | 无锡市中达电机有限公司 | Anti-corona structure of stator coil of high-voltage motor |
| KR20120001195A (en) * | 2010-06-29 | 2012-01-04 | 한국델파이주식회사 | A stator asm for an alternator and a manufacturing method thereof |
| CN203416067U (en) * | 2013-07-31 | 2014-01-29 | 东方电气（乐山）新能源设备有限公司 | Double-fed aerogenerator insulation system |
| CN104092324A (en) * | 2014-07-21 | 2014-10-08 | 苏州贯龙电磁线股份有限公司 | Double-insulation electromagnetic wire for wind turbine generator |
| CN205105011U (en) * | 2015-11-12 | 2016-03-23 | 东方电气集团东风电机有限公司 | Prevent dizzy stator |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016207618A1 (en) | 2017-11-09 |
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Application publication date: 20171110 |