CN102102634A - Wind power generation equipment with automatic speed control device and automatic speed control method thereof - Google Patents
Wind power generation equipment with automatic speed control device and automatic speed control method thereof Download PDFInfo
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- CN102102634A CN102102634A CN2011100381724A CN201110038172A CN102102634A CN 102102634 A CN102102634 A CN 102102634A CN 2011100381724 A CN2011100381724 A CN 2011100381724A CN 201110038172 A CN201110038172 A CN 201110038172A CN 102102634 A CN102102634 A CN 102102634A
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The invention discloses a wind power generation equipment with an automatic speed control device, comprising an impeller, a spindle, a speed increasing gearbox, the automatic speed control device, a power generator and a tower frame, wherein the automatic speed control device comprises a variable pump, a constant displacement motor, a speed measurement unit, a control unit and an oil tank, the variable pump consists of a hydraulic pump and an electro-hydraulic proportional variable mechanism, the input shaft of the variable pump is rigidly connected with the output shaft of the speed increasing gearbox, the output shaft of the constant displacement motor is rigidly connected with the spindle of the power generator, the hydraulic pump is connected with the constant displacement motor through a hydraulic loop, and the control unit realizes closed loop control of a whole system of a wind power generating unit through the speed measurement unit and the electro-hydraulic proportional variable mechanism. The rotational speed of the impeller of the wind power generation equipment, which is input to the power generator, can be stably regulated through the automatic speed control device, the power generator is driven to run with a relatively constant speed, and a current with a constant frequency which is consistent with a frequency of a power grid can be obtained without using a convertor equipment.
Description
Technical field
The present invention relates to a kind of wind-power generating system, relate in particular to a kind of wind-power generating system with automatic speed governing device.
Background technique
Wind-power electricity generation is the main form of utilizing of wind energy, and wind power generating set is the electromechanical equipment that wind energy transformation is become electric energy.Because the wind speed maximum value is over time and constantly in fluctuation, and wind power generating set has an inherent characteristic to the conversion of wind energy, promptly each wind speed all corresponding an optimum power receiver rotating speed, produce peak output conversion at this rotating speed.And optimized rotating speed depends on the structural parameter and the geometric properties of wind-driven generator power converter.So wind power generating set is with variable input speed operation, and this input speed mates corresponding wind speed again as far as possible best.No matter be Large-scale Wind Turbines or middle-size and small-size wind power generating set, the electric energy that generator produced finally still will use for the user.The electric current that so just requires power generating equipment and produced must be relative constant frequency and constant voltage form, perhaps adopts various processing modes that Protean current conversion is become constant electric current, realizes being incorporated into the power networks or from network operation.
In order to solve the unstable problem of voltage that wind-driven generator produces, main technical scheme is to adopt step-up gear-dual-feeding motor system and directly drive-frequency convertor system on the basis of pitch-variable system at present.The feather speed control system can be come moment of torsion and the power of corrective action on wind wheel blade by regulating the angle that facings the wind of blade.Present feather speed-regulating function can only be adjusted under certain conditions, but changeable wind speed occurs at any time, makes the variation of feather speed governing relative speed of wind to lag behind.Step-up gear-dual-feeding motor system total efficiency is not high, and average Mean time to failure is short, and the frequency instability can not guarantee electric normal quality.The higher harmonics load on the inevitable again electrical network of frequency variator and the generation of significant wattless power, and the frequency variator cost is higher relatively, volume is bigger than normal, give produce, installation, maintenance brings some inconvenience.
For Large-scale Wind Turbines, it mainly is to be installed on large-scale wind field to realize high-power generating electricity by way of merging two or more grid systems; For middle-size and small-size wind-driven generator, its staple market is to liking unique user, and main purpose is to satisfy single family or island user's need for electricity, and the inexpensive clean energy is provided.
At present, the wind power generating set price comparison on the market is expensive, complex structure, and particularly current transformer cost wherein is higher, has suppressed the development of wind power plant to a certain extent and popularizes.It is necessary to study a kind of simple and compact for structure, performance good, cost is low, and the arrangements for speed regulation of wind power plant that can automatic speed regulation.Therefore, research and develop a kind of wind energy utilization height, system dynamic characteristic is good, can realize automatic speed regulation, and complete machine structure is simple, volume is less, the arrangements for speed regulation of lower-cost wind power plant, has market potential prospect and development space.
Summary of the invention
At above-mentioned prior art, the invention provides a kind of wind power plant with automatic speed governing device, can realize stable regulation by the rotating speed that automatic speed governing device makes the impeller of wind power plant output to generator, drive the relative constant speed running of generator, and do not need just can access the constant and consistent electric current of frequency with mains frequency by convertor equipment.The wind power plant that the present invention has automatic speed governing device not only can reduce the used component of wind power plant, reduce the complete machine cost greatly, improve unit reliability, and volume is little, controls easyly, and dynamic performance is good, maintainable good, arrangements for speed regulation wherein can also be applicable to middle-size and small-size power generating equipment as the arrangements for speed regulation of large-scale wind power generator incorporated in power network group, can adapt to different wind power plants preferably.
In order to solve the problems of the technologies described above, the present invention has the technological scheme that the wind power plant of automatic speed governing device is achieved and is: comprise impeller, main shaft, step-up gear, automatic speed governing device, generator and pylon; Described automatic speed governing device comprises variable displacement pump, fixed displacement motor, the unit that tests the speed, control unit and fuel tank, and described variable displacement pump is made of an oil hydraulic pump and an electrohydraulic proportion variable mechanism; Described automatic speed governing device is installed on the main shaft between described step-up gear and the generator, the output shaft of the described step-up gear of input shaft rigid joint of described variable displacement pump, the main shaft of the output shaft rigid joint generator of described fixed displacement motor, connect by oil hydraulic circuit between described oil hydraulic pump and the fixed displacement motor, be provided with safety valve and one-way valve in the described oil hydraulic circuit; Described control unit is realized the closed loop control of wind power generating set machine system by test the speed unit and electrohydraulic proportion variable mechanism.
The automatic speed-regulating method of wind power plant of the present invention is to utilize above-mentioned wind power plant with automatic speed governing device, its power generation process is: in the wind power plant work, the impeller wind-engaging carries rotary driving, wind energy is converted to the mechanical energy of impeller rotation, impeller connects step-up gear by main shaft, drive variable displacement pump work by step-up gear, thereby convert mechanical energy to the hydraulic pressure energy, variable displacement pump is transported to fixed displacement motor with pressurized working liquid body by oil hydraulic circuit, fixed displacement motor can convert hydraulic pressure to kinetic energy, and drives generator for electricity generation, converts kinetic energy to electric energy, realize final transformation of energy, promptly wind energy is converted to electric energy; In the above-mentioned power generation process, the output speed of test the speed unit monitoring in real time and feedback fixed displacement motor in the automatic speed governing device, by control unit control electrohydraulic proportion variable mechanism corresponding actions, adjust the position of the variable piston of variable displacement pump, and then the output flow of Moderator Variable pump, make oil hydraulic pump under the effect that speed change wind carries, obtain stable output flow, drive fixed displacement motor and stablize the constant speed running, make the constant operation of generator, thereby obtain the constant electric current of frequency.
Compared with prior art, the invention has the beneficial effects as follows:
(1) because the control unit among the present invention is the electrohydraulic proportion variable mechanism realization wind generating unit complete machine running state closed loop control by test the speed unit and variable displacement pump, thereby can the raising system reliability of control and the simplicity of operation, improve electric energy stability, the electric current that obtains can directly be incorporated into the power networks or use for the user;
(2) power generating equipment of the present invention can convert the wind energy that changes to stable electric energy, no matter be that large, medium and small type wind power plant does not all need current transformer, from the electric current of generator output is exactly metastable constant frequency electric current, owing to be to utilize variable displacement pump 41-fixed displacement motor 42 as the speed governing performance element, its simple in structure and easy realization is controlled automatically, dynamic performance is good, reliability is high, cost is low, can alleviate user's economic burden, give full play to the advantage benefit of wind-power electricity generation, realize the high efficiency conversion of primary energy to secondary energy.
(3) hydraulic element among the present invention can play buffer function, the mean lifetime that prolong mean time to failure, prolongs wind power plant.
Description of drawings
Fig. 1 is the scheme of installation that the present invention has the wind-power generating system of automatic speed governing device;
Fig. 2 is the controlling party block diagram of the automatic speed-regulating method of wind power plant of the present invention;
Fig. 3 is the structural representation with wind-power generating system of automatic speed governing device.
Among the figure:
1---impeller 2---main shaft 3---step-up gear
40---automatic speed governing device 5---generator 6---pylons
41---variable displacement pump 411---oil hydraulic pump 412---electrohydraulic proportion variable mechanisms
42---fixed displacement motor 43---unit 44 tests the speed---control units
45---safety valve 46---one-way valve 47---fuel tanks
Embodiment
Below in conjunction with embodiment the present invention is done to describe in further detail.
As shown in Figure 1, a kind of wind power plant with automatic speed governing device of the present invention comprises impeller 1, main shaft 2, step-up gear 3, automatic speed governing device 40, generator 5 and pylon 6; Described automatic speed governing device 40 comprises variable displacement pump 41, fixed displacement motor 42, the unit 43 that tests the speed, control unit 44 and fuel tank 48, and described variable displacement pump 41 is made of an oil hydraulic pump 411 and an electrohydraulic proportion variable mechanism 412, and the described unit 43 that tests the speed is speed probe; Described automatic speed governing device 40 is installed on the main shaft 2 between described step-up gear 3 and the generator 5, the output shaft of the described step-up gear 3 of input shaft rigid joint of described variable displacement pump 41, the main shaft of the output shaft rigid joint generator 5 of described fixed displacement motor 42, connect by oil hydraulic circuit between described oil hydraulic pump 411 and the fixed displacement motor 42, consider the variable displacement pump 41 in the automatic speed governing device and the normal operation of fixed displacement motor 42, be provided with safety valve 45 and one-way valve 46 in the described oil hydraulic circuit; Described control unit 44 is realized the closed loop control of wind power generating set machine system by test the speed unit 43 and electrohydraulic proportion variable mechanism 412.Because high-pressure work liquid does not need to consider the location problem of conveyance conduit in closely, and not strict demand of the position between variable displacement pump 41 and the fixed displacement motor 42, only need the concentricity problem between consideration step-up gear 3 and variable displacement pump 41, fixed displacement motor 42 and generator 5 axle center; So also need not consider step-up gear 3 output shafts and generator 5 input shafts to heart problem, wind power plant of the present invention then is installed two kinds of placement schemes can be arranged, as shown in Figure 1, automatic speed governing device 40 and original power generating equipment are placed directly in the cabin on pylon 6 tops, can shorten the conveyance conduit of high-pressure work liquid like this, be output current on pylon 6 tops.Certainly, also can be by prolonging the pipeline of oil hydraulic circuit, fixed displacement motor 42 and power generating equipment are moved to ground, obtain electric current in the ground handling zone, the physical dimension and the weight of wind power plant can have been alleviated so to a great extent, when reducing the manufacturing difficulty, reduced the manufacture cost of equipment greatly.
The process of utilizing above-mentioned wind power plant with automatic speed governing device to generate electricity is: in the wind power plant work, impeller 1 wind-engaging carries rotary driving, wind energy is converted to the mechanical energy of impeller 1 rotation, impeller 1 connects step-up gear 3 by main shaft 2, drive variable displacement pump 41 work by step-up gear 3, thereby convert mechanical energy to the hydraulic pressure energy, variable displacement pump 41 is transported to fixed displacement motor 42 with pressurized working liquid body by oil hydraulic circuit, fixed displacement motor 42 can convert hydraulic pressure to kinetic energy, and driving generator 5 generatings, convert kinetic energy to electric energy, realize final transformation of energy, promptly wind energy is converted to electric energy; In the above-mentioned power generation process, the output speed of test the speed unit 43 monitoring in real time and feedback fixed displacement motor 42 in the automatic speed governing device 40, by control unit 44 control electrohydraulic proportion variable mechanisms 412 corresponding actions, adjust the position of the variable piston of variable displacement pump 41, and then the output flow of Moderator Variable pump 41, make oil hydraulic pump 411 under the effect that speed change wind carries, obtain stable output flow, drive fixed displacement motor 42 and stablize the constant speed running, make generator 5 constant operations, thereby obtain the constant electric current of frequency.If the overpressure in the working procedure of power generation system in the oil hydraulic circuit has surpassed the Maximum operating pressure that safety valve 46 sets, safety valve 46 automatic overflows then are to guarantee the safety of each equipment in the oil hydraulic circuit.
Among the present invention, because control unit 44 is to realize the closed loop control of wind power generating set machine system by test the speed unit 43 and electrohydraulic proportion variable mechanism 412, thereby the reliability of system's control and the simplicity of operation have been improved, improve current stability, the electric current that finally obtains can directly be incorporated into the power networks or use for electric consumer.
Through simulating, verifying, dynamic performance of the present invention is good, speed controlling is respond well, control simple in structure is convenient, reliability and interchangeability are good, guarantee under the effect that speed change wind carries, to obtain metastable motor speed effectively, realized that generator efficiently moves, also improved the stability of electric current simultaneously.
Although top invention has been described in conjunction with figure; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; under the situation that does not break away from aim of the present invention, can also make a lot of distortion, these all belong within the protection of the present invention.
Claims (4)
1. the wind power plant with automatic speed governing device comprises impeller (1), main shaft (2), step-up gear (3), automatic speed governing device (40), generator (5) and pylon (6); It is characterized in that:
Described automatic speed governing device (40) comprises variable displacement pump (41), fixed displacement motor (42), the unit that tests the speed (43), control unit (44) and fuel tank (48), and described variable displacement pump (41) is made of an oil hydraulic pump (411) and an electrohydraulic proportion variable mechanism (412);
Described automatic speed governing device (40) is installed on the main shaft (2) between described step-up gear (3) and the generator (5), the output shaft of the described step-up gear of input shaft rigid joint (3) of described variable displacement pump (41), the main shaft of the output shaft rigid joint generator (5) of described fixed displacement motor (42), connect by oil hydraulic circuit between described oil hydraulic pump (411) and the fixed displacement motor (42), be provided with safety valve (45) and one-way valve (46) in the described oil hydraulic circuit;
Described control unit (44) is realized the closed loop control of wind power generating set machine system by the unit that tests the speed (43) and electrohydraulic proportion variable mechanism (412).
2. according to the described wind power plant with automatic speed governing device of claim 1, it is characterized in that: the described unit that tests the speed (43) is a speed probe.
3. the automatic speed-regulating method of a wind power plant, the process of utilizing the wind power plant with automatic speed governing device as claimed in claim 1 to generate electricity is: in the wind power plant work, impeller (1) wind-engaging carries rotary driving, wind energy is converted to the mechanical energy of impeller (1) rotation, impeller (1) connects step-up gear (3) by main shaft (2), drive variable displacement pump (41) work by step-up gear (3), thereby convert mechanical energy to the hydraulic pressure energy, variable displacement pump (41) is transported to fixed displacement motor (42) with pressurized working liquid body by oil hydraulic circuit, fixed displacement motor (42) can convert hydraulic pressure to kinetic energy, and driving generator (5) generating, convert kinetic energy to electric energy, realize final transformation of energy, promptly wind energy is converted to electric energy; It is characterized in that:
In the above-mentioned power generation process, the output speed of fixed displacement motor (42) is monitored and fed back in the unit that tests the speed (43) in the automatic speed governing device (40) in real time, by control unit (44) control electrohydraulic proportion variable mechanism (412) corresponding actions, adjust the position of the variable piston of variable displacement pump (41), and then the output flow of Moderator Variable pump (41), make oil hydraulic pump (411) under the effect that speed change wind carries, obtain stable output flow, drive fixed displacement motor (42) and stablize the constant speed running, make the constant operation of generator (5), thereby obtain the constant electric current of frequency.
4. according to the automatic speed-regulating method of the described wind power plant of claim 3, it is characterized in that: if the pressure in the oil hydraulic circuit has surpassed the Maximum operating pressure that safety valve (45) sets in the oil hydraulic circuit, safety valve (45) automatic overflow then.
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| CN2011100381724A CN102102634A (en) | 2011-02-15 | 2011-02-15 | Wind power generation equipment with automatic speed control device and automatic speed control method thereof |
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| CN2011100381724A CN102102634A (en) | 2011-02-15 | 2011-02-15 | Wind power generation equipment with automatic speed control device and automatic speed control method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562999A (en) * | 2011-12-16 | 2012-07-11 | 三一电气有限责任公司 | Speed increasing device and wind generating set |
| CN102562481A (en) * | 2011-12-16 | 2012-07-11 | 三一电气有限责任公司 | Speed increasing device and wind generating set |
| CN102678471A (en) * | 2012-06-13 | 2012-09-19 | 黄鲁生 | Hydraulic speed-governing type wind power generation device with flywheel |
| CN102878013A (en) * | 2011-07-14 | 2013-01-16 | 苏州东源天利电器有限公司 | Wind driven generator |
| CN104565267A (en) * | 2014-12-20 | 2015-04-29 | 新昌县小将永进轴承厂 | Light-weight stepless gearbox |
| CN104901332A (en) * | 2015-05-05 | 2015-09-09 | 燕山大学 | Low voltage ride through control system and control method based on variable pitch |
| CN106401874A (en) * | 2016-12-13 | 2017-02-15 | 余深权 | Swing hinge type oil pressure generator set |
| CN108331704A (en) * | 2018-02-13 | 2018-07-27 | 佛山科学技术学院 | A kind of horizontally-opposed twin turbines hydraulic drive type energy by ocean current electricity generation system |
| CN113074087A (en) * | 2021-04-12 | 2021-07-06 | 南通理工学院 | Wind power generation device for new energy hybrid power ship |
| CN113217281A (en) * | 2021-05-11 | 2021-08-06 | 上海电气风电集团股份有限公司 | Wind power generation system, control method and device thereof, electronic device, and storage medium |
| CN117072378A (en) * | 2023-08-28 | 2023-11-17 | 杭州辚萧科技有限公司 | Energy-storage wind power generation device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11287178A (en) * | 1998-03-31 | 1999-10-19 | Kayaba Ind Co Ltd | Generating set |
| CN101586525A (en) * | 2009-04-23 | 2009-11-25 | 沈阳瑞祥风能设备有限公司 | Hydraulic central control device for wind power generating set |
| WO2010033035A1 (en) * | 2008-09-17 | 2010-03-25 | Chapdrive As | Turbine speed stabilisation control system |
| CN101806291A (en) * | 2009-06-05 | 2010-08-18 | 王延忠 | Wind power generation actuating device |
| CN201943897U (en) * | 2011-02-15 | 2011-08-24 | 天津大学 | Wind-power electricity-generating equipment with automatic speed-regulating device |
-
2011
- 2011-02-15 CN CN2011100381724A patent/CN102102634A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11287178A (en) * | 1998-03-31 | 1999-10-19 | Kayaba Ind Co Ltd | Generating set |
| WO2010033035A1 (en) * | 2008-09-17 | 2010-03-25 | Chapdrive As | Turbine speed stabilisation control system |
| CN101586525A (en) * | 2009-04-23 | 2009-11-25 | 沈阳瑞祥风能设备有限公司 | Hydraulic central control device for wind power generating set |
| CN101806291A (en) * | 2009-06-05 | 2010-08-18 | 王延忠 | Wind power generation actuating device |
| CN201943897U (en) * | 2011-02-15 | 2011-08-24 | 天津大学 | Wind-power electricity-generating equipment with automatic speed-regulating device |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878013A (en) * | 2011-07-14 | 2013-01-16 | 苏州东源天利电器有限公司 | Wind driven generator |
| CN102562999A (en) * | 2011-12-16 | 2012-07-11 | 三一电气有限责任公司 | Speed increasing device and wind generating set |
| CN102562481A (en) * | 2011-12-16 | 2012-07-11 | 三一电气有限责任公司 | Speed increasing device and wind generating set |
| CN102562999B (en) * | 2011-12-16 | 2015-05-20 | 三一电气有限责任公司 | Speed increasing device and wind generating set |
| CN102678471A (en) * | 2012-06-13 | 2012-09-19 | 黄鲁生 | Hydraulic speed-governing type wind power generation device with flywheel |
| CN104565267A (en) * | 2014-12-20 | 2015-04-29 | 新昌县小将永进轴承厂 | Light-weight stepless gearbox |
| CN104565267B (en) * | 2014-12-20 | 2018-05-29 | 新昌县通用机械有限公司 | A kind of light weight infinitely variable transmission |
| CN104901332B (en) * | 2015-05-05 | 2017-03-01 | 燕山大学 | A kind of control method of the low voltage ride through control system based on feather |
| CN104901332A (en) * | 2015-05-05 | 2015-09-09 | 燕山大学 | Low voltage ride through control system and control method based on variable pitch |
| CN106401874A (en) * | 2016-12-13 | 2017-02-15 | 余深权 | Swing hinge type oil pressure generator set |
| CN108331704A (en) * | 2018-02-13 | 2018-07-27 | 佛山科学技术学院 | A kind of horizontally-opposed twin turbines hydraulic drive type energy by ocean current electricity generation system |
| CN108331704B (en) * | 2018-02-13 | 2023-12-26 | 佛山科学技术学院 | Horizontal opposite double-turbine hydraulic transmission type ocean current energy power generation system |
| CN113074087A (en) * | 2021-04-12 | 2021-07-06 | 南通理工学院 | Wind power generation device for new energy hybrid power ship |
| CN113217281A (en) * | 2021-05-11 | 2021-08-06 | 上海电气风电集团股份有限公司 | Wind power generation system, control method and device thereof, electronic device, and storage medium |
| CN113217281B (en) * | 2021-05-11 | 2022-12-09 | 上海电气风电集团股份有限公司 | Wind power generation system, control method and device thereof, electronic device, and storage medium |
| CN117072378A (en) * | 2023-08-28 | 2023-11-17 | 杭州辚萧科技有限公司 | Energy-storage wind power generation device |
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Application publication date: 20110622 |