CN104265571A - Novel inner rotor five-freedom-degree magnetic suspension vertical axis wind turbine - Google Patents
Novel inner rotor five-freedom-degree magnetic suspension vertical axis wind turbine Download PDFInfo
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- CN104265571A CN104265571A CN201410441887.8A CN201410441887A CN104265571A CN 104265571 A CN104265571 A CN 104265571A CN 201410441887 A CN201410441887 A CN 201410441887A CN 104265571 A CN104265571 A CN 104265571A
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- Prior art keywords
- rotor
- magnetic bearing
- radial direction
- bearing
- stator
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/50—Bearings
- F05B2240/51—Bearings magnetic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/31—Wind motors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a novel inner rotor five-freedom-degree magnetic suspension vertical axis wind turbine which comprises a stator assembly and a rotor assembly. The whole rotor assembly is of an I-shaped structure. The stator assembly comprises first protecting bearings, second protecting bearings, axial magnetic bearing stators, first radial magnetic bearing stators, second radial magnetic bearing stators, a shell and generator stators. The rotor assembly comprises fan blades, a rotary shaft, a first protecting bearing check ring, a second protecting bearing check ring, generator rotors, radial magnetic bearing rotor rings, a spoke-shaped rotor disc, first magnetism insulation rings and second magnetism insulation rings. The novel inner rotor five-freedom-degree magnetic suspension vertical axis wind turbine has the advantages of being free of noise and friction loss, low in the starting wind speed, stable, controllable, and free of lubrication, sealing and the like and further has the advantages of being small in axial length, compact in structure, light in rotor weight, free of magnetic circuit coupling among axial magnetic bearings, radial magnetic bearings and the generator rotors and the like.
Description
Technical field
The present invention relates to a kind of magnetic suspending wind turbine generator, refer in particular to a kind of Novel inner rotor magnetic suspension vertical shaft wind-driven generator, be applicable to wind power generation field.
Background technique
Along with society and expanding economy, the consumption of the energy is in sharp increase.The non-renewable fossil energy such as coal, oil, rock gas almost soon approach exhaustion.In order to the sustainable development that realizes human society future and the environmental problem solving fossil energy and bring, wind energy replaces the trend that non-renewable fossil fuel energy sources has become future development.
One of key technology utilizing wind energy is the utilization of wind-driven generator, traditional wind have clean, environmental benefit good, the installation advantage such as scaleable, technology relative maturity, but also there is very serious defect in himself: noise is large, starting wind velocity is large, there is frictional loss, instability, conventional mechanical bearings need periodic maintenance, add lubricant oil, also need necessarily to seal.
For overcoming the shortcoming of traditional wind, magnetic suspending wind turbine generator arises at the historic moment with the advantage of himself uniqueness: due to not contact between magnetic bearing stator and rotor, substantially can accomplish noiseless; Starting wind velocity is low, and magnetic suspension starting wind velocity is minimum is low to moderate 0.8m/s; Without frictional loss; Stablize controlled; Without the need to lubrication and sealing etc.
In vertical shaft maglev wind power generator, a lot of patent all effectively overcomes the shortcoming of traditional wind, such as China Patent Publication No. CN101915214A, name is called " five-freedom degree full-suspension vertical shaft wind power generator of outer-rotor structure ", China Patent Publication No. CN101761454A, name is called " a kind of vertical shaft maglev wind power generator " etc., but they all have serious defect: due to its engine block, axial and radial direction magnetic bearing body distributes successively along axle, the part of intersecting is not had between three, so their axial length is long, be unfavorable for reducing of vertical shaft maglev wind power generator volume, axial magnetic bearing, between radial direction magnetic bearing and generator amature three, there is flux coupled, Deng.
Compare horizontal axis wind-driven generator, vertical axis aerogenerator is all mounted in the lower place of some physical features such as residential building roof.Therefore, the reduction of wind-driven generator volume and weight seems and is even more important.
Summary of the invention
The object of the invention is: overcome the deficiencies in the prior art, propose a kind of novel vertical-axis magnetic suspending wind turbine generator.It can realize the five degree of freedom stable suspersion of rotor, and rotating part and stationary part do not have Mechanical Contact, eliminates mechanical friction and wearing and tearing completely, realizes " breeze start-up ", improves wind energy utilization.Rotating part adopts " work " word structural type, and axle, radial direction magnetic bearing body overlap on axial space with engine block, substantially reduce vertical-axis generators axial length, are conducive to generator volume-diminished, compact structure.
Technical solution of the present invention is:
A kind of Novel inner rotor suspension of five-freedom degree magnetic vertical axis aerogenerator, comprises stator module and rotor assembly, and described rotor assembly entirety adopts " work " word structural type; Described stator module comprises shell, generator unit stator, the first protection bearing, the second protection bearing, axial magnetic bearing stator, the first radial direction magnetic bearing stator, the second radial direction magnetic bearing stator; Described rotor assembly comprises fan blade, rotating shaft, the first protection bearing baffle ring, the second protection bearing baffle ring, generator amature, radial direction magnetic bearing rotor ring, spoke shpae rotor disk, the first magnetism resistent ring, the second magnetism resistent ring; Described generator unit stator is installed on the housing, coordinates form generator operation air gap with described generator amature; Described rotor assembly is all fixed in rotating shaft, along rotating shaft from top to bottom successively: fan blade, first protection bearing baffle ring, the one-piece element be assembled into by generator amature, the first magnetism resistent ring, the second magnetism resistent ring, radial direction magnetic bearing rotor ring, rotor disk, the second protection bearing baffle ring; Described rotor assembly is radially set with from outside to inside successively: generator amature, the second magnetism resistent ring, radial direction magnetic bearing rotor ring, the first magnetism resistent ring, rotor disk; Described fan blade connects described rotating shaft, in the middle part of described rotating shaft and bottom is set with fixes the first protection bearing baffle ring, the second protection bearing baffle ring, described first protection bearing baffle ring, the second opposite position protecting the lower end of bearing baffle ring to press close to described shell are respectively equipped with the first protection bearing, the second protection bearing, described first protection bearing, the second protection bearing are arranged on top and the bottom of housing center respectively, and described first protection bearing, the second protection bearing are protected with first bearing baffle ring, second to protect bearing baffle ring to be formed respectively and axially protected air gap; Described first protection bearing, the second protection bearing and rotating shaft form radial direction and protect air gap.Described radial direction magnetic bearing rotor is circular, and the inner side and outer side of described radial direction magnetic bearing rotor mounts on the first magnetism resistent ring, the second magnetism resistent ring respectively symmetrically; Described first radial direction magnetic bearing stator, the second radial direction magnetic bearing stator are distributed in the upper and lower sides at rotor disk edge, and sharing same radial direction magnetic bearing rotor, described first radial direction magnetic bearing stator, the second radial direction magnetic bearing stator and described radial direction magnetic bearing rotor ring form upper and lower radial direction magnetic bearing; Make disk in the middle of described spoke shpae rotor disk, described disk serves as axial magnetic bearing rotor, and described the disc and shaft is to magnetic bearing stator composition axial magnetic bearing; Via hole is left, so that rotor disk suit is fixed in rotating shaft in the middle of described disk.
Further, described axial magnetic bearing stator is arranged on shell, be distributed in the upper and lower sides of rotor disk center disk symmetrically, and coordinate with rotor disk center disk and form axial magnetic bearing working gas gap, described axial magnetic bearing selects permanent magnet bias mixing axial magnetic bearing.
Further, described first radial direction magnetic bearing stator, the second radial direction magnetic bearing stator are arranged on shell, and form upper and lower radial direction magnetic bearing working gas gap with radial direction magnetic bearing rotor engagement, and described upper and lower radial direction magnetic bearing selects permanent magnet biased hybrid magnetic bearing.
Further, described first magnetism resistent ring, described second magnetism resistent ring are formed by aluminium, epoxy resin non-magnet material.
Further, described rotor disk and described radial direction magnetic bearing rotor ring form by silicon steel plate stacking.
Further, the body of radial direction magnetic bearing be up and down made up of with radial direction magnetic bearing rotor ring respectively described first radial direction magnetic bearing stator and the second radial direction magnetic bearing stator, the axial magnetic bearing body be made up of described axial magnetic bearing stator and rotor disk center disk, overlap on axial space with the engine block be made up of described generator unit stator and generator amature.
Further, the structure of described magnetic suspending wind turbine generator is applicable to the wind-driven generator of horizontal axis structure.
The present invention compared with prior art, not only have noiseless, starting wind velocity low, without frictional loss, stablize controlled, without the need to lubrication and sealing, the environment resistant many merits such as by force, also there is following important advantage:
1) traditional wind rotor is all solid, and under identical mechanical stiffness, spoke structure largely alleviates the weight of rotor, so just largely alleviate the suspension load of axial magnetic bearing, be conducive to reducing of axial magnetic bearing volume, be more conducive to the reduction of axial magnetic bearing energy consumption.
2) compact structure, rotating part adopts " work " word structural type, engine block intersects on axial space with Axial and radial magnetic bearing body, largely reduce the axial length of motor body, even eliminate axle, axial length that radial direction magnetic bearing occupies, be conducive to reducing of whole generator volume.
3) two magnetism resistent rings adopt aluminium, epoxy resin non-magnet materials to form, and greatly reduce axial magnetic bearing, flux coupled between radial direction magnetic bearing and generator amature three, improve the stability of generator.
Accompanying drawing explanation
Fig. 1 is the overall axial, cross-sectional view of internal rotor magnetic suspension vertical shaft wind-driven generator.
Fig. 2 is magnetic suspension vertical shaft wind power generator rotor radial cross section plan view.
In figure: 1 is fan blade, 2 is rotating shaft, and 3 is the first protection bearing baffle ring; 4 is the first protection bearing, and 5 is axial magnetic bearing stator, and 6 is the first radial direction magnetic bearing stator; 7 is shell, and 8 is generator unit stator, and 9 is generator amature; 10 is radial direction magnetic bearing rotor ring; 11 is rotor disk, and 12 is the second protection bearing baffle ring, and 13 is the second protection bearing; 14 is the second radial direction magnetic bearing stator, and 15 be the first magnetism resistent ring, 16 is the second magnetism resistent ring.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the overall axial, cross-sectional view of internal rotor magnetic suspension vertical shaft wind-driven generator, and Fig. 2 is magnetic suspension vertical shaft wind power generator rotor radial cross section plan view.Generator unit stator 8 is arranged on shell 7, forms engine block with generator amature 9.Radial direction magnetic bearing rotor ring 10, is formed by silicon steel plate stacking, is fixed on the first magnetism resistent ring 15 up and down symmetrically; First radial direction magnetic bearing stator 6, second radial direction magnetic bearing stator 14 is distributed in the upper and lower sides of rotor disk 11 respectively, share a radial direction magnetic bearing rotor ring 10, namely the first radial direction magnetic bearing stator 6, second radial direction magnetic bearing stator 14 forms upper and lower radial direction magnetic bearing with radial direction magnetic bearing rotor ring 10.Spoke shpae rotor disk 11 is formed by silicon steel plate stacking, and suitably large roundel is made in centre, and the disc and shaft forms axial magnetic bearing to magnetic bearing stator 5, leaves suitably large small sircle hole, so that rotor disk 11 is sleeved in rotating shaft 2 in the middle of disk.Rotating part adopts " work " word structural type, and radially from outside to inside, generator amature 9, magnetism resistent ring 16, radial direction magnetic bearing rotor ring 10, magnetism resistent ring 15 and rotor disk 11 are mounted to an entirety, are sleeved in rotating shaft 2.Wind-driven generator rotating part is all sleeved in rotating shaft 2; along axle from top to bottom successively: fan blade 1; first protection bearing baffle ring 3; the entirety be assembled into by generator amature 9, second magnetism resistent ring 16, radial direction magnetic bearing rotor ring 10, first magnetism resistent ring 15 and rotor disk 11, the second protection bearing baffle ring 12.First protection bearing 4, second protects bearing 13 to be arranged on top and the bottom at shell 7 center respectively, plays the effect of protection.First magnetism resistent ring 15, second magnetism resistent ring 16 can adopt the non-magnet material such as aluminium, epoxy resin to make, and the good exhausted magnetic material such as superconductor also can be adopted to form, and greatly reduces axial magnetic bearing, flux coupled between radial direction magnetic bearing and generator amature three.
Basic functional principle of the present invention: when wind is to fan blade 1, fan blade 1 drives rotating shaft 2 to rotate, and rotating shaft 2 drives suit generator amature 9 on itself to rotate generating; Wind is to when the fan blade 1, the stressed change of fan blade 1 or be disturbed, wind-driven generator realizes the stable suspersion of radial four-degree-of-freedom by upper and lower two radial direction magnetic bearings, is realized the stable suspersion of axial single-degree-of-freedom, thus realize the stable suspersion of five degree of freedom by axial magnetic bearing.When wind-driven generator starting or stall, wind power generator rotor drops on protection bearing, and protection rotor does not bump against.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a Novel inner rotor suspension of five-freedom degree magnetic vertical axis aerogenerator, comprises stator module and rotor assembly, and described rotor assembly entirety adopts " work " word structural type;
Described stator module comprises shell (7), generator unit stator (8), the first protection bearing (4), the second protection bearing (13), axial magnetic bearing stator (5), the first radial direction magnetic bearing stator (6), the second radial direction magnetic bearing stator (14);
Described rotor assembly comprises fan blade (1), rotating shaft (2), the first protection bearing baffle ring (3), the second protection bearing baffle ring (12), generator amature (9), radial direction magnetic bearing rotor ring (10), the rotor disk (11) of spoke shpae, the first magnetism resistent ring (15), the second magnetism resistent ring (16);
Described generator unit stator (8) is arranged on described shell (7), coordinates form generator operation air gap with described generator amature (9);
Described rotor assembly is all fixed in rotating shaft (2), along rotating shaft (2) from top to bottom successively: fan blade (1), first protection bearing baffle ring (3), the one-piece element be assembled into by generator amature (9), the first magnetism resistent ring (15), the second magnetism resistent ring (16), radial direction magnetic bearing rotor ring (10), rotor disk (11), the second protection bearing baffle ring (12); Described rotor assembly is radially set with from outside to inside successively: generator amature (9), the second magnetism resistent ring (16), radial direction magnetic bearing rotor ring (10), the first magnetism resistent ring (15), rotor disk (11);
Described fan blade (1) connects described rotating shaft (2), described rotating shaft (2) middle part and bottom are set with fixes the first protection bearing baffle ring (3), second protection bearing baffle ring (12), described first protection bearing baffle ring (3), second opposite position protecting the lower end of bearing baffle ring (12) to press close to described shell (7) is respectively equipped with the first protection bearing (4), second protection bearing (13), described first protection bearing (4), second protection bearing (13) is arranged on top and the bottom at shell (7) center respectively, described first protection bearing (4), second protection bearing (13) protects bearing baffle ring (3) with first respectively, second protection bearing baffle ring (12) is formed axially protects air gap, described first protection bearing (4), the second protection bearing (13) form radial direction with rotating shaft (2) and protect air gap,
Described radial direction magnetic bearing rotor (10) is in circular, and the inner side and outer side of described radial direction magnetic bearing rotor (10) mounts on the first magnetism resistent ring (15), the second magnetism resistent ring (16) respectively symmetrically; Described first radial direction magnetic bearing stator (6), the second radial direction magnetic bearing stator (14) are distributed in the upper and lower sides at rotor disk (11) edge, and sharing same radial direction magnetic bearing rotor (10), described first radial direction magnetic bearing stator (6), the second radial direction magnetic bearing stator (14) and described radial direction magnetic bearing rotor ring (10) form upper and lower radial direction magnetic bearing;
Make disk in the middle of the rotor disk (11) of described spoke shpae, described disk serves as axial magnetic bearing rotor, and described the disc and shaft is to magnetic bearing stator (5) composition axial magnetic bearing; Via hole is left, so that rotor disk (11) suit is fixed in rotating shaft (2) in the middle of described disk.
2. internal rotor suspension of five-freedom degree magnetic vertical axis aerogenerator according to claim 1, it is characterized in that: described axial magnetic bearing stator (5) is arranged on shell (7), be distributed in the upper and lower sides of rotor disk (11) center disk symmetrically, and coordinate with rotor disk (11) center disk and form axial magnetic bearing working gas gap, described axial magnetic bearing selects permanent magnet bias mixing axial magnetic bearing.
3. internal rotor suspension of five-freedom degree magnetic vertical axis aerogenerator according to claim 1, it is characterized in that: described first radial direction magnetic bearing stator (6), the second radial direction magnetic bearing stator (14) are arranged on shell (7), and coordinate with radial direction magnetic bearing rotor (10) and form upper and lower radial direction magnetic bearing working gas gap, described upper and lower radial direction magnetic bearing selects permanent magnet biased hybrid magnetic bearing.
4. internal rotor suspension of five-freedom degree magnetic vertical axis aerogenerator according to claim 1, is characterized in that: described first magnetism resistent ring (15), described second magnetism resistent ring (16) are formed by aluminium, epoxy resin non-magnet material.
5. internal rotor suspension of five-freedom degree magnetic vertical axis aerogenerator according to claim 1, is characterized in that: described rotor disk (11) and described radial direction magnetic bearing rotor ring (10) form by silicon steel plate stacking.
6. internal rotor suspension of five-freedom degree magnetic vertical axis aerogenerator according to claim 1, it is characterized in that: the body of radial direction magnetic bearing be up and down made up of with radial direction magnetic bearing rotor ring (10) respectively described first radial direction magnetic bearing stator (6) and the second radial direction magnetic bearing stator (14), the axial magnetic bearing body be made up of described axial magnetic bearing stator (5) and rotor disk (11) center disk, overlap on axial space with the engine block be made up of described generator unit stator (8) and generator amature (9).
7. internal rotor suspension of five-freedom degree magnetic vertical axis aerogenerator according to claim 1, is characterized in that: the structure of described magnetic suspending wind turbine generator is applicable to the wind-driven generator of horizontal axis structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441887.8A CN104265571B (en) | 2014-09-01 | 2014-09-01 | Inner rotor five-freedom-degree magnetic suspension vertical axis wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441887.8A CN104265571B (en) | 2014-09-01 | 2014-09-01 | Inner rotor five-freedom-degree magnetic suspension vertical axis wind turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104265571A true CN104265571A (en) | 2015-01-07 |
| CN104265571B CN104265571B (en) | 2017-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410441887.8A Expired - Fee Related CN104265571B (en) | 2014-09-01 | 2014-09-01 | Inner rotor five-freedom-degree magnetic suspension vertical axis wind turbine |
Country Status (1)
| Country | Link |
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| CN (1) | CN104265571B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2545416A (en) * | 2015-12-12 | 2017-06-21 | Spinetic Energy Ltd | Wind turbine apparatuses |
| CN107013410A (en) * | 2017-06-07 | 2017-08-04 | 曲阜师范大学 | A kind of vertical axis permanent magnet direct wind-driven generator and its control method |
| CN108425804A (en) * | 2018-04-10 | 2018-08-21 | 曲阜师范大学 | A kind of low wind speed vertical axis wind power generator and its control method |
| CN111102292A (en) * | 2020-01-14 | 2020-05-05 | 珠海格力电器股份有限公司 | Magnetic suspension bearing assembly, outer rotor motor assembly and motor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10336954A (en) * | 1997-05-26 | 1998-12-18 | Mitsuhiro Fukada | Permanent magnet generator |
| CN1948746A (en) * | 2006-10-17 | 2007-04-18 | 刘骁 | Vertical full magnetic suspension wind force power generator |
| GB2469483A (en) * | 2009-04-15 | 2010-10-20 | John David Clifford | Vertical Axis Wind Turbine |
| CN101761454B (en) * | 2009-10-30 | 2012-11-14 | 北京航空航天大学 | Vertical shaft maglev wind power generator |
| CN204186531U (en) * | 2014-09-01 | 2015-03-04 | 江苏大学 | A kind of Novel inner rotor suspension of five-freedom degree magnetic vertical axis aerogenerator |
-
2014
- 2014-09-01 CN CN201410441887.8A patent/CN104265571B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2545416A (en) * | 2015-12-12 | 2017-06-21 | Spinetic Energy Ltd | Wind turbine apparatuses |
| GB2545416B (en) * | 2015-12-12 | 2018-09-19 | Spinetic Energy Ltd | Wind turbine apparatuses |
| US10871147B2 (en) | 2015-12-12 | 2020-12-22 | Spinetic Energy Limited | Wind turbine apparatuses |
| CN107013410A (en) * | 2017-06-07 | 2017-08-04 | 曲阜师范大学 | A kind of vertical axis permanent magnet direct wind-driven generator and its control method |
| CN107013410B (en) * | 2017-06-07 | 2023-08-11 | 曲阜师范大学 | Vertical axis permanent magnet direct-drive wind driven generator and control method thereof |
| CN108425804A (en) * | 2018-04-10 | 2018-08-21 | 曲阜师范大学 | A kind of low wind speed vertical axis wind power generator and its control method |
| CN108425804B (en) * | 2018-04-10 | 2024-01-19 | 北京京能新能源有限公司正镶白旗风电分公司 | Low-wind-speed vertical axis wind turbine and control method thereof |
| CN111102292A (en) * | 2020-01-14 | 2020-05-05 | 珠海格力电器股份有限公司 | Magnetic suspension bearing assembly, outer rotor motor assembly and motor |
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| Publication number | Publication date |
|---|---|
| CN104265571B (en) | 2017-01-25 |
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Inventor after: Diao Xiaoyan Inventor after: Liu Xianxing Inventor after: Dong Jinyue Inventor after: Du Yi Inventor before: Liu Xianxing Inventor before: Dong Jinyue Inventor before: Du Yi |
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