CN201621012U - Wind power generation device - Google Patents
Wind power generation device Download PDFInfo
- Publication number
- CN201621012U CN201621012U CN201020109246XU CN201020109246U CN201621012U CN 201621012 U CN201621012 U CN 201621012U CN 201020109246X U CN201020109246X U CN 201020109246XU CN 201020109246 U CN201020109246 U CN 201020109246U CN 201621012 U CN201621012 U CN 201621012U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- energy
- wind
- variable
- hydraulic motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 230000006641 stabilisation Effects 0.000 claims abstract description 16
- 238000011105 stabilization Methods 0.000 claims abstract description 16
- 238000006073 displacement reaction Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 239000003921 oil Substances 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 3
- 238000003306 harvesting Methods 0.000 claims 2
- 230000001131 transforming effect Effects 0.000 claims 1
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 4
- 230000010349 pulsation Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- Control Of Eletrric Generators (AREA)
- Wind Motors (AREA)
Abstract
The utility model relates to a wind power generation device, which includes a wind energy acquisition unit, an energy conversion and remote transmission unit connected with the wind energy acquisition unit, and a hydraulic-control frequency stabilization electricity generation unit connected with the energy conversion and remote transmission unit through hydraulic pipelines, wherein the wind energy acquisition unit converts wind energy to mechanical energy; the energy conversion and remote transmission unit converts mechanical energy to hydraulic energy and adopts hydraulic transmission principles to realize remote transfer of wind energy; and the hydraulic-control frequency stabilization electricity generation unit can convert hydraulic energy to mechanical energy and then convert mechanical energy to electric energy. A closed-type hydraulic loop is formed between the energy conversion and remote transmission unit and the hydraulic-control frequency stabilization electricity generation unit through hydraulic pipelines; the wind energy acquisition unit includes an impeller and a power regulation box connected with the impeller. The wind power generation device adopts a hydraulic pump to change the initial phase so as to weaken the flow pulsation output by hydraulic energy, controls the intake flow and the displacement of a hydraulic motor to obtain the optimized matching so as to enable a hydraulic motor to output at constant rotating speed, and drives an ordinary generator to output constant-frequency electric energy and to improve electric power quality.
Description
Technical Field
The utility model relates to a device, concretely relates to wind power generation set for inciting somebody to action mechanical energy conversion is the frequency stabilization electric energy.
Background
At present, as an important green energy source, the effective utilization of wind energy is widely regarded by various countries in the world. Wind power generation devices widely used generally adopt a primary transduction technology to convert wind energy into mechanical energy to drive a generator to generate electricity. Because the wind speed in nature is extremely unstable, the stability of the frequency of the electric energy output by the wind generating set is directly influenced, and the electric energy with lower quality cannot be directly used for electric appliances or transmitted to a power grid. Around the requirement of improving the quality of wind power generation, the wind power generation system at present often adopts the variable pitch regulation technology of a wind turbine, a speed increaser, an alternating current excitation variable speed constant frequency double-fed generator technology and a low frequency alternating current inversion technology, and the application of the technologies improves the power generation quality to a certain extent, but also has the following problems:
1. the speed increaser is expensive, and blades in the wind power generation device can only rotate at a low rotating speed due to low wind speed, while the conventional common generator requires a high rotating speed. In order to solve the contradiction, the existing wind power generation device usually adopts a speed increaser to improve the rotating speed, but the speed increaser is expensive;
2. the speed increaser is a speed change mechanism with a fixed rotating speed ratio, so that the speed increaser amplifies the influence of the pulsating wind speed on the rotating speed of the generator, the rotating speed of the generator is continuously changed, and the generating quality is influenced;
3. the AC excitation variable-speed constant-frequency double-fed generator has higher technical cost, and adopts a variable-speed constant-frequency double-fed generation technology to greatly increase the investment cost of the existing wind power generation device in order to overcome the influence of unstable wind power on the generation quality;
4. the overall gravity center of the wind power generation device is higher than that of a generator and a speed increaser in the existing wind power generation device, the generator and the speed increaser are both arranged in a cabin at the top end of a tower frame with the height of tens of meters, the overall gravity center of the system is very high, equipment is very difficult to install and maintain, the requirements on the tower frame and the foundation structure strength are very high, and the construction cost of the wind power generation system is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wind power generation device can effectively reduce wind power generation device's technique and material cost, reduces wind power generation device's focus, alleviates its whole weight, the equipment fixing of being convenient for, maintenance.
In order to achieve the above object, the present invention provides a wind power generation apparatus, comprising:
a wind energy collection unit that converts wind energy into mechanical energy;
the energy conversion and remote transmission unit is connected with the wind energy acquisition unit and converts mechanical energy into hydraulic energy, and the remote transmission of the energy is realized by adopting a hydraulic transmission principle;
the hydraulic control frequency stabilization power generation unit is connected with the energy conversion and remote transmission unit through a hydraulic pipeline, converts hydraulic energy into mechanical energy, and then converts the mechanical energy into electric energy;
a closed hydraulic loop is arranged between the energy conversion and remote transmission unit and the hydraulic control frequency stabilization power generation unit through a hydraulic pipeline;
the wind energy collecting unit block comprises an impeller and a power distribution box connected with the impeller.
The energy conversion and remote transmission unit comprises a parallel pump set connected with the power distribution box, a current collector connected with the parallel pump set through a hydraulic pipeline, and a hydraulic pipeline for remotely transmitting hydraulic energy.
The parallel pump set comprises a plurality of hydraulic pumps arranged in parallel; the plurality of hydraulic pumps are installed with a variable initial phase angle.
The hydraulic control frequency stabilization power generation unit comprises a variable hydraulic motor connected with a current collector through a hydraulic pipeline, a power generator connected with the variable hydraulic motor through a coupler, a control valve bank connected with the variable hydraulic motor in parallel through the hydraulic pipeline, and a constant speed controller respectively connected with the control valve bank and the variable hydraulic motor through circuits.
The control valve group comprises an electric control pressure control valve and a flow control valve.
The variable hydraulic motor comprises an electric control variable mechanism;
the variable hydraulic motor receives hydraulic energy transmitted by a hydraulic system, and controls the flow and the discharge of hydraulic oil in the variable hydraulic motor by cooperatively controlling the control valve group in the closed hydraulic loop and the electric control variable mechanism in the variable hydraulic motor through the constant speed controller, so that the optimal matching of the flow entering the variable hydraulic motor and the discharge of the hydraulic motor is obtained, the variable hydraulic motor rotates at a constant speed, the generator is driven to operate, and constant-frequency electric energy is generated.
The device also comprises a control device; the operation control device is connected with the power distribution box circuit; the operation control device is also respectively connected with the parallel pump set and the variable hydraulic motor through hydraulic pipelines; the operation control device controls the action of the power allocation box by detecting the torque and the rotating speed output by the impeller, controls the combination mode of a pump set connected into the system, and completes the oil supplement of the closed hydraulic loop and the oil temperature regulation of the hydraulic system.
The generator is an alternating current synchronous generator or an alternating current asynchronous generator.
The utility model also comprises a tower, a cabin and a machine room arranged on the ground; the engine room is arranged at the upper end of the tower; the impeller, the power distribution box, the parallel pump set, the current collector and the operation control device are arranged in the engine room; the variable hydraulic motor, the control valve group, the constant speed controller and the generator are arranged in the machine room; the equipment arranged in the engine room and the equipment arranged in the machine room are connected in a classified manner through hydraulic pipelines and cables to respectively form a closed hydraulic loop and an electric control loop.
The impeller is driven by wind power to rotate, pulsating mechanical energy is output to the power distribution box, the power distribution box distributes the mechanical energy output by the impeller to the parallel pump set, the operation and control device detects the torque and the rotating speed output by the impeller and controls the combination mode of the power distribution box and the hydraulic pumps in the parallel pump set. The parallel pump set converts mechanical energy into hydraulic energy, outputs the hydraulic energy to the current collector, the current collector collects the hydraulic energy and outputs stable hydraulic energy to the control valve set and the variable hydraulic motor in a remote transmission mode, the variable hydraulic motor converts the hydraulic energy into stable mechanical energy and transmits the stable mechanical energy to the generator, and the generator converts the stable mechanical energy into constant-frequency electric power and outputs the constant-frequency electric power to the power grid. The constant speed controller detects the rotating speed and the torque of the variable hydraulic motor, controls the control valve group, and accurately adjusts the pressure and the flow of hydraulic oil so as to ensure that the variable hydraulic motor outputs stable constant-speed mechanical energy.
Compared with the existing wind power generation device, the utility model has the advantages that the utility model adopts the common generator set to realize the frequency stabilization electric energy output, thereby greatly reducing the cost of the wind power generator;
the utility model mainly adopts a closed hydraulic loop controlled by a composite volume speed regulation to realize the remote transmission of flow energy, simultaneously adopts parallel pump sets to realize the conversion of mechanical energy to hydraulic energy, and each pump changes the initial phase angle setting, thereby effectively reducing the flow pulsation output by the hydraulic energy;
the utility model adopts the parallel pump set to replace a single high-power pump, thereby reducing the manufacturing difficulty and the cost, effectively improving the convenience of the installation and the maintenance of the pump set and reducing the application cost of the hydraulic pump;
the utility model obtains the optimal matching of the flow entering the hydraulic motor and the displacement of the hydraulic motor through the control valve group and the variable hydraulic motor variable mechanism in the constant speed controller cooperative control loop, generates the constant rotating speed output of the variable hydraulic motor, drives the common generator set to send out constant frequency electric energy, and improves the electric energy quality;
the impeller, the power distribution box, the parallel pump set, the current collector and the operation control device of the utility model are arranged in the engine room at the upper end of the tower; the variable motor, the control valve group, the constant speed controller and the generator set are arranged on the ground, the layout mode reduces the weight of cabin equipment, effectively reduces the equipment installation, operation maintenance and maintenance cost, and simultaneously reduces the structural strength requirements on a tower and infrastructure;
the utility model discloses can directly be applied to the technological transformation and the upgrading upgrade to traditional wind power generation system or device.
Drawings
Fig. 1 is a block diagram of an overall structure of a wind power generation apparatus according to the present invention;
fig. 2 is a schematic view of the overall structure of a wind power generator of the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1, the utility model provides a wind power generation device includes wind energy collection unit 1, and this wind energy collection unit 1 is used for turning into mechanical energy with wind energy.
The energy conversion and remote transmission unit 2 connected with the wind energy acquisition unit 1 is used for converting mechanical energy into hydraulic energy, and the remote transmission of wind energy is realized by adopting a hydraulic transmission principle.
The hydraulic control frequency stabilization power generation unit 3 connected with the energy conversion and remote transmission unit 2 through a hydraulic pipeline is used for converting hydraulic energy into stable and constant-speed mechanical energy and then converting the mechanical energy into constant-frequency electric energy.
Wherein, a closed hydraulic loop is arranged between the energy conversion and remote transmission unit 2 and the hydraulic control frequency stabilization power generation unit 3 through a hydraulic pipeline. The energy conversion and remote transmission unit 2 and the hydraulic control frequency stabilization power generation unit 3 realize remote energy transmission through the closed hydraulic loop.
As shown in fig. 2, the wind energy collecting unit 1 includes an impeller 11 and a power distribution box 12 connected to the impeller 11, and the impeller 11 and the power distribution box 12 are connected by a coupling.
The energy conversion unit 2 comprises a parallel pump group 21 and a collector 22 connected to the parallel pump group 21 via a hydraulic line.
The impeller 11 receives kinetic energy of the wind flow field, converts the kinetic energy into mechanical energy, and outputs torque and rotation speed to the power distribution box 12. The power distribution box 12 distributes the mechanical energy output by the impeller 11 to the parallel pump set 21, and has overload protection and pump set switching functions.
The parallel pump group 21 contains a plurality of hydraulic pumps arranged in parallel, each hydraulic pump in the pump group being mounted with a variable initial phase angle. After receiving the mechanical energy transmitted from the power distribution box 12, each hydraulic pump converts the mechanical energy into hydraulic energy and transmits the hydraulic energy to the collector 22 through a hydraulic line. The collector 22 collects the hydraulic energy transmitted by the multiple hydraulic pumps in the parallel pump group 21, eliminates the output flow pulsation of the single hydraulic pump in the parallel pump group 21, and forms stable hydraulic energy which is transmitted to the hydraulic control frequency stabilization power generation unit 3 through the closed hydraulic loop.
The utility model also comprises an operation control device 4, and the operation control device 4 is connected with the power allocating box 12 through a circuit; the operation and control device 4 is also connected with the parallel pump set 21 and the hydraulic control frequency stabilization power generation unit 3 through hydraulic pipelines respectively.
The operation and control device 4 receives and checks the torque and the rotating speed output by the impeller 11 through the power allocation box 12, controls the power allocation box 12 to act, and the power allocation box 12 receives a command sent by the operation and control device 4 to execute control, thereby determining the number and the configuration position of the hydraulic pumps in the parallel pump set 21 of the access system. Meanwhile, the operation control device 4 also completes oil supplement of the closed hydraulic loop and oil temperature adjustment of the closed hydraulic loop.
The pilot-controlled frequency-stabilized power generation unit 3 comprises a variable hydraulic motor 32, a power generator 34 connected with the variable hydraulic motor 32 through a coupler, a control valve group 31, and a constant speed controller 33 in circuit connection with the control valve group 31.
The variable hydraulic motor 32 is also connected in parallel with the control valve group 31 through a hydraulic pipeline; meanwhile, the variable displacement hydraulic motor 32 is also electrically connected to the constant speed controller 33. This connection loop enables the control valve block 31, the variable displacement hydraulic motor 32 and the constant speed controller 33 to constitute a feedback control system.
The variable hydraulic motor 32 comprises an electrically controlled variable mechanism, and the variable hydraulic motor 32 receives hydraulic energy transmitted from a remote place, and the hydraulic oil with certain flow and pressure drives the variable hydraulic motor 32 to rotate, so that the conversion of the hydraulic energy to mechanical energy is realized, and the rotating speed and the torque are output to the generator 34.
The generator 34 is a common ac synchronous generator or an ac asynchronous generator, and the generator 34 receives the mechanical energy output by the variable hydraulic motor 32, converts the mechanical energy into electric energy, generates electric energy and transmits the electric energy to the grid system.
The constant speed controller 33 receives the rotation speed and the torque output by the variable hydraulic motor 32 through the detection circuit, and cooperatively controls the control valve group 31 in the hydraulic circuit and the electric control type variable mechanism in the variable hydraulic motor 32 to control the flow rate of the hydraulic oil in the working circuit of the hydraulic motor 32 and the displacement of the hydraulic motor 32, so that the flow rate and the displacement of the hydraulic oil entering the variable hydraulic motor 32 are optimally matched, the variable hydraulic motor 32 outputs a rotation constant speed, and the generator 34 is driven to generate constant frequency electric energy.
The control valve group 31 includes a pressure control valve and a flow control valve, and receives a control command from the constant speed controller 33, precisely adjusts the pressure and flow of hydraulic oil in the hydraulic closed circuit of the system, and can implement functions such as overload protection.
The utility model also comprises a tower for wind power generation, the upper end of the tower is provided with a cabin, and the impeller 11, the power distribution box 12, the parallel pump group 21, the current collector 22 and the operation control device 4 are arranged in the cabin; the variable hydraulic motor 32, the control valve group 31, the constant speed controller 33 and the generator 34 are arranged in a machine room on the ground, and equipment arranged in the machine room on the ground are connected in a classified mode through a closed hydraulic loop consisting of hydraulic pipelines and cables.
The utility model discloses wind power generation set's function flow as follows:
the impeller 11 receives wind energy, converts the wind energy into mechanical energy, and transmits the mechanical energy to the power distribution box 12 through the coupler, the power distribution box 12 distributes mechanical power output by the impeller 11 to the parallel pump set 21, and the operation and control device 23 detects torque and rotating speed output by the impeller 11 through the power distribution box 12 and controls a combination mode of the power distribution box 12 and a hydraulic pump in the parallel pump set 21. The parallel pump set 21 converts mechanical energy into hydraulic energy and outputs the hydraulic energy to the current collector 22, the current collector 22 collects the hydraulic energy to eliminate flow pulsation of a single hydraulic pump in the parallel pump set 21, stable hydraulic energy is formed and is transmitted to the variable hydraulic motor 32 and the control valve group 31 of the hydraulic control frequency stabilization power generation unit 3 through a hydraulic pipeline at a long distance, the variable hydraulic motor 32 converts the received hydraulic energy into mechanical energy and transmits the mechanical energy to the generator 34 through the coupler, and the common generator 34 converts the mechanical energy into electric energy and outputs the electric energy to a power grid. In the system, the constant speed controller 33 detects the rotating speed and torque of the variable hydraulic motor 32 to adjust the control valve group 31, accurately control the flow rate of hydraulic oil in the hydraulic closed loop, simultaneously control the variable mechanism in the variable hydraulic motor 32, and cooperatively control the constant output rotating speed of the variable hydraulic motor 32, so that the generator 34 generates constant frequency electric energy.
Simultaneously the utility model discloses also can be used to hydroelectric power generation, hydroelectric power generation's device and function flow, with the utility model discloses wind power generation set and flow are similar.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (10)
1. A wind power plant, characterized in that the plant comprises:
a wind energy harvesting unit (1) that converts wind energy into mechanical energy;
the energy conversion and remote transmission unit (2) is connected with the wind energy acquisition unit (1) and converts mechanical energy into hydraulic energy, and the long-distance transmission of wind energy is realized by adopting a hydraulic transmission principle;
the hydraulic control frequency stabilization power generation unit (3) is connected with the energy conversion and remote transmission unit (2) through a hydraulic pipeline and converts hydraulic energy into mechanical energy and then converts the mechanical energy into electric energy;
the energy conversion and remote transmission unit (2) comprises a parallel pump set (21), wherein the parallel pump set (21) comprises a plurality of hydraulic pumps which are arranged in parallel and are installed at variable initial phase angles;
the hydraulic control frequency stabilization power generation unit (3) comprises a control valve group (31) and a constant speed controller (33).
2. A wind power plant as claimed in claim 1, characterized in that said wind energy harvesting unit (1) comprises an impeller (11) and a power distribution box (12) connected to said impeller (11).
3. A wind power plant according to claim 2, wherein the hydraulic circuit between the energy conversion and remote transmission unit (2) and the pilot operated frequency stabilized power unit (3) is arranged as a closed hydraulic circuit.
4. A wind power plant according to claim 3, wherein said energy transforming and remote transferring unit (2) further comprises a current collector (22) and hydraulic lines for remote transferring of hydraulic energy; wherein,
the parallel pump group (21) is connected with the power distribution box (12);
the collector (22) is connected with the parallel pump group (21) through a hydraulic pipeline.
5. Wind power plant according to claim 4, characterized in that said pilot operated frequency stabilized power unit (3) further comprises a variable hydraulic motor (32) and a generator (34); wherein,
the variable hydraulic motor (32) is connected with the collector (22) through a hydraulic pipeline;
the generator (34) is connected with the variable hydraulic motor (32) through a coupler;
the control valve group (31) is connected with the variable hydraulic motor (32) in parallel through a hydraulic pipeline;
the constant speed controller (33) is respectively connected with the control valve group (31) and the variable hydraulic motor (32) through circuits.
6. Wind power plant according to claim 5, characterized in that said set of control valves (31) comprises a pressure control valve and a flow control valve.
7. Wind power plant according to claim 6, characterized in that said variable hydraulic motor (32) comprises an electrically controlled variable mechanism connected to a constant speed control (33);
the variable hydraulic motor (32) receives hydraulic energy transmitted by a hydraulic system, and controls the flow and the displacement of hydraulic oil in the variable hydraulic motor (32) by cooperatively controlling a control valve group (31) in a closed hydraulic circuit and an electric control variable mechanism in the variable hydraulic motor (32) through a constant speed controller (33), so that the optimal matching of the flow entering the variable hydraulic motor (32) and the displacement of the hydraulic motor is obtained, the variable hydraulic motor (32) rotates at a constant speed, a generator (34) is driven to operate, and electric energy with constant frequency is generated.
8. Wind power plant according to claim 7, characterized in that it further comprises a control device (4);
the operation control device (4) is in circuit connection with the power distribution box (12); the operation control device (4) is also respectively connected with the parallel pump group (21) and the variable hydraulic motor (32) through hydraulic pipelines;
the operation control device (4) controls the power allocation box (12) to act by detecting the torque and the rotating speed output by the impeller, controls the combination mode of a pump set incorporated into the system, and completes oil supplement of a closed hydraulic loop and adjustment of the oil temperature of the hydraulic system.
9. Wind power plant according to claim 5, characterized in that said generator (34) is an alternator-synchronous generator or an alternator-asynchronous generator.
10. The wind power plant of claim 8, further comprising a tower, a nacelle, and a machine room on the ground, the nacelle being positioned above the tower;
the impeller (11), the power distribution box (12), the parallel pump group (21), the current collector (22) and the operation control device (4) are arranged in the engine room;
the variable hydraulic motor (32), the control valve group (31), the constant speed controller (33) and the generator (34) are arranged in the machine room;
the equipment arranged in the engine room and the equipment arranged in the machine room are connected in a classified manner through hydraulic pipelines and cables to respectively form a closed hydraulic loop and an electric control loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020109246XU CN201621012U (en) | 2010-02-05 | 2010-02-05 | Wind power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020109246XU CN201621012U (en) | 2010-02-05 | 2010-02-05 | Wind power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201621012U true CN201621012U (en) | 2010-11-03 |
Family
ID=43024467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020109246XU Expired - Lifetime CN201621012U (en) | 2010-02-05 | 2010-02-05 | Wind power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201621012U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465836A (en) * | 2010-11-11 | 2012-05-23 | 通用电气公司 | Active control of a wind turbine blade |
| CN101782042B (en) * | 2010-02-05 | 2012-07-04 | 上海僖舜莱机电设备制造有限公司 | Hydraulic control frequency stabilized wind power generation apparatus |
| CN103429888A (en) * | 2011-01-05 | 2013-12-04 | 诺德克斯能量有限责任公司 | Wind energy plant |
| CN105003617A (en) * | 2015-07-16 | 2015-10-28 | 河海大学常州校区 | Hydraulic coupler |
-
2010
- 2010-02-05 CN CN201020109246XU patent/CN201621012U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782042B (en) * | 2010-02-05 | 2012-07-04 | 上海僖舜莱机电设备制造有限公司 | Hydraulic control frequency stabilized wind power generation apparatus |
| CN102465836A (en) * | 2010-11-11 | 2012-05-23 | 通用电气公司 | Active control of a wind turbine blade |
| CN103429888A (en) * | 2011-01-05 | 2013-12-04 | 诺德克斯能量有限责任公司 | Wind energy plant |
| CN105003617A (en) * | 2015-07-16 | 2015-10-28 | 河海大学常州校区 | Hydraulic coupler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202250008U (en) | Profile-control injection pump set for diesel oil generator | |
| CN103779873B (en) | A kind of hydraulic low voltage traversing control method of wind generator set | |
| CN102628426B (en) | Hydraulic driving-based wind turbine and control method thereof | |
| CN102102634A (en) | Wind power generation equipment with automatic speed control device and automatic speed control method thereof | |
| WO2010072112A1 (en) | Wind generating set, wind generating system and operating control method thereof | |
| CN105003389B (en) | A kind of offshore wind farm and Ocean Tidal Current Energy combined power generation device | |
| CN104329281A (en) | Variable frequency energy-saving system for movable blade adjustable type induced draft fan | |
| CN104362669B (en) | Method of low-voltage ride through control system for hydraulic wind-driven power generator set | |
| CN201621012U (en) | Wind power generation device | |
| CN103277252B (en) | Control method of grid connected wind turbine | |
| CN102255596A (en) | Off-grid double-fed wind power generation system and maximum wind energy capture method thereof | |
| CN101782042B (en) | Hydraulic control frequency stabilized wind power generation apparatus | |
| CN201332278Y (en) | Reactive compensation linkage control system for wind power station | |
| CN201943897U (en) | Wind-power electricity-generating equipment with automatic speed-regulating device | |
| CN100376065C (en) | Wind power generating system based on direct current generator | |
| CN102748195A (en) | Wind power and waterpower hybrid generation device | |
| CN103256168B (en) | Off-grid hybrid transmission ocean current power generation device and control method thereof | |
| CN103075294B (en) | Off-grid ocean current energy power generation device and control method thereof | |
| CN102013762A (en) | Variable speed constant frequency device of wind turbine generator set | |
| CN101793232B (en) | Hydraulically controlled frequency stabilization power generating method | |
| CN204984728U (en) | Power generation facility can be united to marine wind power and ocean trend | |
| CN202326018U (en) | Stable power-generating system based on conversion of wind energy and water energy | |
| CN113090540A (en) | Direct air cooling unit feedwater and condensate water cooperative system based on double-fed system | |
| CN201332279Y (en) | Electric power quality control system | |
| CN101586535B (en) | Cascade pump for wind power generation transduction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101103 |
|
| CX01 | Expiry of patent term |