CN102305176B - Blade resetting control system and method for wind driven generator - Google Patents
Blade resetting control system and method for wind driven generator Download PDFInfo
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- CN102305176B CN102305176B CN201110232210XA CN201110232210A CN102305176B CN 102305176 B CN102305176 B CN 102305176B CN 201110232210X A CN201110232210X A CN 201110232210XA CN 201110232210 A CN201110232210 A CN 201110232210A CN 102305176 B CN102305176 B CN 102305176B
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- blade
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- driven generator
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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
Abstract
The invention discloses a blade resetting control method for a wind driven generator. The method comprises the following steps of: receiving a resetting starting signal; controlling a blade to make the blade positioned in a power-on and brake-releasing state; making a resetting power device generate active torque, and regulating the blade to a feathering position; and performing brake operation on the blade to complete a resetting action. By the resetting control method, the active torque can be provided for the blade when a blade feathering system fails, and the blade is rotated to the feathering position, so that a turbine is prevented from being damaged seriously during stop, and the stability and the reliability of the wind driven generator are improved. The invention also discloses a blade resetting control system, which comprises a controller used for receiving the resetting starting signal and the current information of the blade and controlling the blade to make the blade positioned in the power-on and brake-releasing state, and a resetting power device used for generating the active torque and adjusting the blade to the feathering position. The system has the same effect.
Description
Technical field
The present invention relates to technical field of wind power generation, relate in particular to a kind of blade resetting control system for wind-driven generator and method.
Background technique
In recent years, along with the development of wind generating technology, mostly adopt feather to control in Large-scale Wind Turbines, firm power, improve the wind-force stressing conditions effectively.But because the instant of wind speed changes, pitch-controlled system is also the part that easily breaks down.
When wind-driven generator is in an emergency, the fault of members such as hypervelocity, generator when perhaps connecting electrical network and breaking down, needs the wind turbine quick shutdown, in case stop loss bad turbo machine.Before shutdown operation, an important step is to make the propeller pitch angle of rotor blade arrive feather position; in time blade is carried out reset operation; go wrong if become the power supply of oar this moment; perhaps vane change device goes wrong; namely when variable blade control system lost efficacy; the blade withdrawal that can't reset is carried out by force shutdown operation and will be caused larger damage to wind turbine.
In prior art, in the situation that utility network breaks down, with the inertia of wind driven generator rotation and gravity etc., blade is resetted, make it reach feather position and brake wind turbine.Yet this method has higher requirement to the blade of wind-driven generator, and the additional load that produces in the blade reseting procedure is larger to the infringement of wind-driven generator.In addition, in the situation that vane change device lost efficacy, the inertia of wind-driven generator and gravity are less sometimes, and the change oar moment that is not enough to provide enough makes blade get back to feather position, if shut down the larger damage that just inevitably wind turbine is caused this moment.
In view of this; demand urgently for above-mentioned technical problem; design a kind of blade resetting control system and method; make it when the vane propeller-changing control system breaks down; moment resets it for blade provides initiatively; reach feather position, be subject to larger damage when avoiding the wind turbine shutdown operation, strengthen stability and the reliability of wind-driven generator.
Summary of the invention
The technical problem to be solved in the present invention is for providing a kind of blade resetting control system for wind-driven generator; it can be when the vane propeller-changing control system breaks down; moment makes it reach feather position for blade provides initiatively; be subject to larger damage when avoiding the wind turbine shutdown operation, strengthen stability and the reliability of wind-driven generator.Another technical problem that the present invention will solve is for providing a kind of blade for wind-driven generator controlling method that resets.
For solving the problems of the technologies described above, the invention provides a kind of blade for wind-driven generator controlling method that resets, when being used for the pitch-controlled system inefficacy when described wind-driven generator to the reset operation of blade; Comprise the steps:
1) receive the actuating signal that resets;
2) control described blade, make it be in energising and the state that declutches;
3) power plant that reset produce initiatively moment, with described blade adjustments to feather position;
4) described blade is carried out the band-type brake operation, homing action is completed.
Preferably, the described power plant that reset comprise annular slide track, and described annular slide track week is provided with a plurality of described exciting winding to the periphery, is provided with slide block in described annular slide track; The described power plant that reset drive described slide block and are free to slide along described annular slide track by a plurality of described exciting winding are switched on successively, thereby produce initiatively moment, with described blade adjustments to feather position.
Preferably, the described power plant that reset comprise toroidal frame and are located at the many to described exciting winding of the described toroidal frame outside, every pair of described exciting winding is positioned at the two ends of described toroidal frame diameter, and the center of described toroidal frame is provided with rotating shaft and is set in the tooth that turns in the described rotating shaft outside; The described power plant that reset are by switching on successively to described exciting winding to many, drive to turn tooth and rotating shaft is freely rotated, thereby generation active moment, with described blade adjustments to feather position.
Preferably, described step 2) be specially:
21) judge whether described blade cuts off the power supply, if, start standby power supply, carry out step 22); If not directly carry out step 22);
22) judge whether described blade is in the band-type brake state, if control described blade and make it be in the state of declutching; If not keep current state.
Preferably, also comprise step described step 4):
5) described blade has been resetted and the information of band-type brake feeds back to described controller.
At first blade for the wind-driven generator provided by the present invention controlling method that resets mainly comprises the steps:, receives reset actuating signal and blade current information; Secondly, control described blade, make it be in energising and the state that declutches; Then, the power plant that reset produce initiatively moment, with described blade adjustments to feather position; At last, described blade is carried out the band-type brake operation, homing action is completed.
Adopt this method, when wind-driven generator is in an emergency, the pitch-controlled system of blade breaks down when putting away the oars failure, after the control system of wind-driven generator is sent reset actuating signal and blade current information, controller receives this signal and blade current information, control blade according to the blade current information, make blade be in energising and the state that declutches, then export actuating signal to the power plant that reset; The power plant that reset receive this actuating signal, produce initiatively moment, drive blade rotation to feather position, realize the purpose that blade resets.
This shows; adopt this controlling method that resets, can provide initiatively moment to blade when the vane propeller-changing system breaks down, make it turn to feather position; thereby be subject to larger damage when avoiding turbomachine shutdown, improved stability and the reliability of wind-driven generator.
The present invention also provides a kind of blade resetting control system for wind-driven generator, when being used for the pitch-controlled system inefficacy when described wind-driven generator to the reset operation of blade; Comprise detection device, controller and the power plant that reset,
Detection device is for detection of the current information of blade;
Controller is used for receiving reset actuating signal and blade current information, and controls described blade, makes it be in energising and the state that declutches;
The power plant that reset are connected with the output terminal of described controller, for generation of active moment, with described blade adjustments to feather position.
Preferably, the described power plant that reset comprise annular slide track, described annular slide track week is provided with a plurality of described exciting winding to the periphery, and a plurality of described exciting winding are switched on successively, is provided with in described annular slide track with described exciting winding to switch on successively and the slide block that is free to slide along described annular slide track.
Preferably, the described power plant that reset comprise toroidal frame, described toroidal frame week is provided with many to described exciting winding laterally, every pair of described exciting winding is positioned at the two ends of described toroidal frame diameter, and many described exciting winding is switched on successively, described toroidal frame center also is provided with rotating shaft, and the described rotating shaft outside is set with described exciting winding energising and drives the tooth that turns that described rotating shaft freely rotates.
Preferably, also comprise standby power supply, being used for is described blade power supply when described blade is in off-position.
Preferably, also comprise feedback unit, be used for described blade has been resetted and the information of band-type brake feeds back to the control system of described wind-driven generator.
Because the controlling method that resets has above-mentioned technique effect, therefore, the reset controlling system corresponding with the above-mentioned controlling method that resets also should have identical technique effect, do not repeat them here.
Description of drawings
Fig. 1 is the reset a kind of FB(flow block) of embodiment of controlling method of blade provided by the present invention;
Fig. 2 is the structural representation of a kind of embodiment of the power plant that reset that use in method shown in Figure 1;
Fig. 3 is the structural representation of the another kind of embodiment of the power plant that reset that use in method shown in Figure 1;
Fig. 4 is the reset FB(flow block) of another kind of embodiment of controlling method of blade provided by the present invention;
Fig. 5 is the reset FB(flow block) of the third embodiment of controlling method of blade provided by the present invention;
Fig. 6 is the fundamental diagram of a kind of embodiment of blade resetting control system provided by the present invention.
Wherein, the reference character in Fig. 1 to Fig. 6 and the corresponding relation between component names are: 21 annular slide tracks; 22 exciting winding; 23 slide blocks; 24 toroidal frames; 25 rotating shafts; 26 turn tooth.
Embodiment
Core of the present invention is for providing a kind of blade resetting control system for wind-driven generator; it can be when the vane propeller-changing control system breaks down; moment makes it reach feather position for blade provides initiatively; be subject to larger damage when avoiding the wind turbine shutdown operation, strengthen stability and the reliability of wind-driven generator.Another core of the present invention is for providing a kind of blade for wind-driven generator controlling method that resets.
In order to make those skilled in the art understand better technological scheme of the present invention, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 1 is the reset a kind of FB(flow block) of embodiment of controlling method of blade provided by the present invention.
In a kind of embodiment, as shown in Figure 1, the invention provides a kind of blade for wind-driven generator controlling method that resets, when being used for the pitch-controlled system inefficacy when wind-driven generator to the reset operation of blade; Comprise the steps:
S11: receive the actuating signal that resets;
S12: control blade, make it be in energising and the state that declutches;
S13: the power plant that reset produce initiatively moment, and blade adjustments is arrived feather position;
S14: blade is carried out the band-type brake operation, and homing action is completed.
Adopt this method, when wind-driven generator is in an emergency, the pitch-controlled system of blade breaks down when putting away the oars failure, the control system of wind-driven generator sends to controller reset actuating signal and blade current information, controller receives this signal and blade current information, control blade according to the blade current information, make blade be in energising and the state that declutches, then export actuating signal to the power plant that reset; The power plant that reset receive this actuating signal, produce initiatively moment, drive blade rotation to feather position, realize the purpose that blade resets.
This shows; adopt this controlling method that resets, can provide initiatively moment to blade when the vane propeller-changing system breaks down, make it turn to feather position; thereby be subject to larger damage when avoiding turbomachine shutdown, improved stability and the reliability of wind-driven generator.
Need to prove; above-mentioned embodiment does not limit controller and controls the detailed process that blade makes it be in energising and declutch; do not limit the power plant that reset yet the initiatively concrete mode of moment is provided; in fact; every power plant that reset that comprise; can provide initiatively moment to blade when pitch-controlled system lost efficacy, make its blade that turns to feather position controlling method that resets to work as and belong in protection scope of the present invention.
Please refer to Fig. 2, Fig. 2 is the structural representation of a kind of embodiment of the power plant that reset that use in method shown in Figure 1.
In another kind of embodiment, the power plant that reset comprise annular slide track 21, and 21 weeks of annular slide track are provided with a plurality of exciting winding 22 to the periphery, are provided with slide block 23 in annular slide track 21; The power plant that reset are by switching on successively to a plurality of exciting winding 22, and band movable slider 23 is free to slide along annular slide track 21, thereby produce initiatively moment, and blade adjustments is arrived feather position.
Adopt this structural type, as shown in Figure 2, A, B, C, D, E, F are excitation winding, switch on mutually as A, and during other phase no electric circuits, due to magnetic fields, slide block 23 aligns with A.Next moment B switches on mutually, and during other phase no electric circuits, slide block 23 moves to the B position, then C switches on mutually, and slide block 23 moves to C, by that analogy, if constantly press A, B, C, D, E, F, A, the B...... energising, slide block 23 will turn clockwise, produce thus initiatively moment, drive vane turns to feather position.
In further scheme, the above-mentioned power plant that reset can be located at blade interior, and the radial plane of annular slide track 21 is parallel to the cross section of blade, and annular slide track 21 is connected with blade.Adopt this structural type, when slide block 23 rotates in slideway with 22 energisings of different exciting winding, namely produced moment of momentum, according to conservation of angular momentum principle, the annular slide track 21 that is fixedly connected with blade should have a counter-rotational moment of momentum, and this moment of momentum orders about blade rotation.
This shows, the power plant that reset of said structure can produce moment of momentum, and provide initiatively moment by conservation of angular momentum principle for blade, thereby realize that blade resets.In addition, the power plant that will reset are located at blade interior, also have compact structure, save the space-efficient characteristics.
Certainly, the structure of the above-mentioned power plant that reset is not limited in above-mentioned six exciting winding 22, can also be the exciting winding 22 of other numbers, the week that above-mentioned a plurality of exciting winding 22 can be distributed in annular slide track 21 also can the interval differently be arranged at annular slide track 21 peripheries to the periphery.
In addition, here the quantity of the power plant that reset do not limited yet, the power plant that reset can only be set in each blade, one group of power plant that reset namely only is set, many groups power plant that reset also can be set along the length direction interval of blade, the synchronous startup organized the power plant that reset more when system works, like this can be for blade provide larger active moment, and this structure more is applicable to large-scale wind driven generator.The above-mentioned power plant that reset also are not limited to be arranged on blade interior, can also be arranged on other positions.
Please refer to Fig. 3, Fig. 3 is the structural representation of the another kind of embodiment of the power plant that reset that use in method shown in Figure 1.
In another kind of embodiment, as shown in Figure 3, the power plant that reset comprise toroidal frame 24 and are located at the many to exciting winding 22 of toroidal frame 24 outsides, every pair of exciting winding 22 is positioned at the two ends of toroidal frame 24 diameters, and what the center of toroidal frame 24 was provided with rotating shaft 25 and was set in rotating shaft 25 outsides turns tooth 26; The power plant that reset are by switching on successively to exciting winding 22 to many, and drive turns tooth 26 and rotating shaft 25 is freely rotated, thereby produce initiatively moment, and blade adjustments is arrived feather position.
Adopt this structural type, A, B, C are excitation winding, switch on mutually as A, and B during C phase no electric circuit, due to magnetic fields, turns tooth D and aligns with A, (rotating shaft 25 is not subjected to any external force, below identical).Switch on mutually as B, A during C phase no electric circuit, turns tooth D and aligns with B, rotating shaft 25 this moment clockwise rotates, switches on mutually as C, and A, B phase no electric circuit, turning tooth D should align with C, and rotating shaft 25 this moment continues to clockwise rotate, by that analogy, if constantly press A, B, C, A, B, C, A...... energising, rotating shaft 25 just clockwise rotates with the form of stepping, produces thus initiatively moment, and drive vane turns to feather position.
Further in scheme, the above-mentioned power plant that reset are located on the blade wheel hub of wind-driven generator, and blade rotor is connected with blade.Like this, can directly drive blade rotation to feather position after the rotating shaft of the power plant that reset 25 is rotated, realize reset operation, that this mounting type also has is simple in structure, installation and removal process characteristics easily.
Certainly, the reset power plant that reset in controlling method of above-mentioned blade are not limited in and adopt exciting winding to produce magnetic field, thereby the rotor driven running produces the initiatively mode of moment, can also adopt hydraulic pressure installation, utilize the pressure of fluid to change the corner of blade; Can also adopt additional motor-drive motor to drive blade rotation to feather position.Generally speaking, outside every pitch-controlled system of being located at wind-driven generator, can belong in protection scope of the present invention for blade provides initiatively moment that its power plant that reset that go to feather position all should be worked as.
Please refer to Fig. 4, Fig. 4 is the reset FB(flow block) of another kind of embodiment of controlling method of blade provided by the present invention.
In another kind of embodiment, as shown in Figure 4, the above-mentioned controlling method that resets can comprise the steps:
S21: receive the actuating signal that resets;
S22: judge whether blade cuts off the power supply, if, start standby power supply, carry out step S23; If not directly carry out step S23;
S23: judge whether blade is in the band-type brake state, if control blade and make it be in the state of declutching; If not keep current state;
S24: the power plant that reset produce initiatively moment, and blade adjustments is arrived feather position;
S25: blade is carried out the band-type brake operation, and homing action is completed.
Adopt this method, namely provide electric energy by the mode that standby power supply is set when blade cuts off the power supply, stability and the reliability of the controlling method that guaranteed to reset.
Please refer to Fig. 5, Fig. 5 is the reset FB(flow block) of the third embodiment of controlling method of blade provided by the present invention.
In the third embodiment, as shown in Figure 5, above-mentioned reset controlling system can comprise following operating procedure:
S31: receive the actuating signal that resets;
S32: control blade, make it be in energising and the state that declutches;
S33: the power plant that reset produce initiatively moment, and blade adjustments is arrived feather position;
S34: blade is carried out the band-type brake operation, and homing action is completed;
S35: will reset and complete information and feed back to controller.
Like this, can make the reponse system of a closed loop of control system formation of reset controlling system and wind-driven generator, the control system (not shown) that makes wind-driven generator receive this reset complete information after, this information is passed to controller, be convenient to controller and grasp in real time the current state of blade, in order to realize better the reset operation of blade, strengthen accuracy and promptness that blade resets.
Please refer to Fig. 6, Fig. 6 is the fundamental diagram of a kind of embodiment of blade resetting control system provided by the present invention.
As shown in Figure 6, the present invention also provides a kind of blade resetting control system for wind-driven generator, comprise detection device, controller and the power plant that reset, detection device is for detection of the current information of blade, controller is used for receiving reset actuating signal and blade current information, and the control blade, make it be in energising and the state that declutches; The power plant that reset are connected with the output terminal of controller, for generation of active moment, with blade adjustments to feather position.
In concrete scheme, the power plant that reset comprise annular slide track 21,21 weeks of annular slide track are provided with a plurality of exciting winding 22 to the periphery, and a plurality of exciting winding 22 are switched on successively, are provided with in annular slide track 21 with exciting winding 22 to switch on successively and the slide block 23 that is free to slide along annular slide track 21.
In another kind of concrete scheme, the power plant that reset comprise toroidal frame 24,24 weeks of toroidal frame are provided with many to exciting winding 22 laterally, every pair of exciting winding 22 is positioned at the two ends of toroidal frame 24 diameters, and many exciting winding 22 is switched on successively, toroidal frame 24 centers also are provided with rotating shaft 25, and rotating shaft 25 outsides are set with and turn tooth 26 with what exciting winding 22 energisings drove that rotating shaft 25 freely rotates.
In another kind of embodiment, above-mentioned blade resetting control system can also comprise standby power supply, and being used for is the blade power supply when blade is in off-position.
In addition, above-mentioned blade resetting control system can also comprise feedback unit, is used for blade has been resetted and the information of band-type brake feeds back to the control system of wind-driven generator.
Because above-mentioned blade repositioning method has above-mentioned technique effect, therefore, the blade resetting system corresponding with this blade repositioning method also should have identical technique effect, do not repeat them here.
Above a kind of blade resetting control system and method for wind-driven generator provided by the present invention is described in detail.Used specific case herein principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. a blade that is used for wind-driven generator controlling method that resets was carried out reset operation to blade when being used for the pitch-controlled system inefficacy when described wind-driven generator; It is characterized in that, comprise the steps:
1) receive the actuating signal that resets;
2) control described blade, make it be in energising and the state that declutches;
3) power plant that reset produce initiatively moment, with described blade adjustments to feather position;
4) described blade is carried out the band-type brake operation, homing action is completed.
2. the blade for the wind-driven generator according to claim 1 controlling method that resets, is characterized in that, the described power plant that reset comprise annular slide track, and described annular slide track week is provided with a plurality of exciting winding to the periphery, is provided with slide block in described annular slide track; The described power plant that reset drive described slide block and are free to slide along described annular slide track by a plurality of described exciting winding are switched on successively, thereby produce initiatively moment, with described blade adjustments to feather position.
3. the blade for the wind-driven generator according to claim 1 controlling method that resets, it is characterized in that, the described power plant that reset comprise toroidal frame and are located at the many to exciting winding of the described toroidal frame outside, every pair of described exciting winding is positioned at the two ends of described toroidal frame diameter, and the center of described toroidal frame is provided with rotating shaft and is set in the tooth that turns in the described rotating shaft outside; The described power plant that reset are by switching on successively to described exciting winding to many, drive to turn tooth and rotating shaft is freely rotated, thereby generation active moment, with described blade adjustments to feather position.
4. the described blade for wind-driven generator of according to claim 1-3 any one controlling method that resets, is characterized in that described step 2) be specially:
21) judge whether described blade cuts off the power supply, if, start standby power supply, carry out step 22); If not directly carry out step 22);
22) judge whether described blade is in the band-type brake state, if control described blade and make it be in the state of declutching; If not keep current state.
5. the blade for the wind-driven generator according to claim 4 controlling method that resets, is characterized in that described step 4) after also comprise
Step 5): described blade has been resetted and the information of band-type brake feeds back to the controller of described wind-driven generator.
6. a blade resetting control system that is used for wind-driven generator, be used for when the pitch-controlled system of described wind-driven generator loses efficacy, blade being carried out reset operation; It is characterized in that, comprise detection device, controller and the power plant that reset,
Described detection device is for detection of described blade current information;
Described controller is used for receiving reset actuating signal and blade current information, and controls described blade, makes it be in energising and the state that declutches;
The described power plant that reset are connected with the output terminal of described controller, for generation of active moment, with described blade adjustments to feather position.
7. the blade resetting control system for wind-driven generator according to claim 6, it is characterized in that, the described power plant that reset comprise annular slide track (21), described annular slide track (21) week is provided with a plurality of exciting winding (22) to the periphery, a plurality of described exciting winding (22) are switched on successively, are provided with in described annular slide track (21) with described exciting winding (22) to switch on successively and the slide block (23) that is free to slide along described annular slide track (21).
8. the blade resetting control system for wind-driven generator according to claim 6, it is characterized in that, the described power plant that reset comprise toroidal frame (24), be provided with laterally in described toroidal frame (24) week many to exciting winding (22), every pair of described exciting winding (22) is positioned at the two ends of described toroidal frame (24) diameter, and many described exciting winding (22) is switched on successively, described toroidal frame (24) center also is provided with rotating shaft (25), described rotating shaft (25) outside is set with and turns tooth (26) with what described exciting winding (22) energising drove that described rotating shaft (25) freely rotates.
9. the described blade resetting control system for wind-driven generator of according to claim 6-8 any one, is characterized in that, also comprises:
Standby power supply, being used for is described blade power supply when described blade is in off-position.
10. the blade resetting control system for wind-driven generator according to claim 9, is characterized in that, also comprises feedback unit, is used for described blade has been resetted and the information of band-type brake feeds back to described controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110232210XA CN102305176B (en) | 2011-08-12 | 2011-08-12 | Blade resetting control system and method for wind driven generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110232210XA CN102305176B (en) | 2011-08-12 | 2011-08-12 | Blade resetting control system and method for wind driven generator |
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| CN102305176A CN102305176A (en) | 2012-01-04 |
| CN102305176B true CN102305176B (en) | 2013-06-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103266987B (en) * | 2013-05-22 | 2015-05-20 | 北京金风科创风电设备有限公司 | Wind driven generator stopping method under single blade clamping working condition |
| CN104061121A (en) * | 2014-06-30 | 2014-09-24 | 中船重工(重庆)海装风电设备有限公司 | Safety protection device |
| CN112392657B (en) * | 2020-11-17 | 2021-11-23 | 中国船舶重工集团海装风电股份有限公司 | Pre-excitation control method for yaw motor of wind generating set |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3516821A1 (en) * | 1985-05-10 | 1986-11-13 | Horst 2341 Brodersby Frees | Wind motor |
| DE102006015511A1 (en) * | 2006-03-31 | 2007-10-04 | Robert Bosch Gmbh | Wind turbine for transforming flow energy of wind into useable rotation energy, has asynchronous motor that is fed from battery-supplied direct current source by commutator that is driven by direct current motor in normal operation |
| DE102006034251B8 (en) * | 2006-07-21 | 2014-08-21 | Senvion Se | Method for operating a wind energy plant |
| CN101016881A (en) * | 2007-02-15 | 2007-08-15 | 沈阳工业大学 | Megawatt semi-direct driving wind-power generator group |
| CN101059124A (en) * | 2007-03-26 | 2007-10-24 | 管奕廷 | Wind lamp machine |
| CN101280763A (en) * | 2008-04-02 | 2008-10-08 | 邓雷 | High-efficiency automatic protection wind power generation plant |
| CN201705554U (en) * | 2010-06-22 | 2011-01-12 | 沈阳瑞祥风能设备有限公司 | Blade installation regulation control system for wind driven generator |
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