CN113090444A - Wind power generation energy storage power generation system - Google Patents
Wind power generation energy storage power generation system Download PDFInfo
- Publication number
- CN113090444A CN113090444A CN202110376003.5A CN202110376003A CN113090444A CN 113090444 A CN113090444 A CN 113090444A CN 202110376003 A CN202110376003 A CN 202110376003A CN 113090444 A CN113090444 A CN 113090444A
- Authority
- CN
- China
- Prior art keywords
- wind
- power generation
- water
- module
- storage device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 59
- 238000004146 energy storage Methods 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000005381 potential energy Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000009123 feedback regulation Effects 0.000 claims description 10
- 230000002159 abnormal effect Effects 0.000 claims description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/04—Wind motors with rotation axis substantially parallel to the air flow entering the rotor having stationary wind-guiding means, e.g. with shrouds or channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
- F03D7/0224—Adjusting blade pitch
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
- F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/13—Combinations of wind motors with apparatus storing energy storing gravitational potential energy
- F03D9/14—Combinations of wind motors with apparatus storing energy storing gravitational potential energy using liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/10—Stators
- F05B2240/12—Fluid guiding means, e.g. vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/21—Rotors for wind turbines
- F05B2240/221—Rotors for wind turbines with horizontal axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/101—Purpose of the control system to control rotational speed (n)
- F05B2270/1014—Purpose of the control system to control rotational speed (n) to keep rotational speed constant
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
-
- 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
Abstract
The invention discloses a wind power generation energy storage power generation system, which comprises: the wind power generation system comprises a wind collecting pipeline, a wind speed sensor, a fan, a water pump, a first water storage device, a second water storage device, a water turbine generator set and a double-fed power supply subsystem; the wind speed sensor and the fan are both arranged in the wind collecting pipeline; the fan adaptively adjusts the rotational inertia of the blades of the fan according to the wind speed collected by the wind speed sensor; the first water storage device and the second water storage device are arranged at a preset height and are communicated through a pipeline; the water pump is driven by the fan to pump water in the first water storage device into the second water storage device; the water turbine generator set converts gravitational potential energy generated when water is released from the second water storage device to the first water storage device into electric energy; the double-fed power supply subsystem is used for processing electric energy into an electric energy form meeting the power supply requirement and feeding back and adjusting the running state of the water turbine generator set. The wind power generator has the characteristics of high wind energy utilization rate and stable power generation.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to a wind power generation energy storage power generation system.
Background
Wind power generation, as a clean, abundant and renewable energy source, is increasingly gaining wide attention all over the world, and particularly, has been rapidly developed in recent years. Wind power generation is that a rotating wind wheel is used for capturing energy from wind and converting the energy into electric energy to be transmitted to a power grid. The continuous change of the wind speed and the wind direction determines that the generated power of the fan is continuously changed, the fluctuation range is large, the change is frequent, and the power grid is often impacted greatly.
Most of fans in the existing wind power generation system control the amount of wind energy captured by a wind generating set in a variable-pitch constant-speed mode. Namely, under the condition that the wind wheel reaches the rated rotating speed and the wind speed reaches the rated wind speed, the wind generating set ensures the constant rotating speed of the wind wheel and the constant generating power by increasing the pitch angle, but the method still has a limit on the capability of capturing wind energy. Meanwhile, the fan runs in the open air, the capability of collecting wind energy is low, and the fan is easy to rust and damage after being exposed to the sun and rain, and the power generation performance is gradually reduced.
Therefore, how to provide a wind power generation energy storage and power supply system capable of improving the wind energy utilization rate and having stable generated power is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of this, the invention provides a wind power generation energy storage power generation system, which can collect natural wind to the maximum extent, adaptively adjust the rotational inertia of a wind wheel of a wind turbine according to the wind speed, further ensure the uniformity of the rotating speed of the wind turbine, and also can perform feedback adjustment on a wind power generator, thereby effectively ensuring the stability of the output voltage of a generator set.
In order to achieve the purpose, the invention adopts the following technical scheme:
a wind power generation and energy storage power generation system comprising: the wind power generation system comprises a wind collecting pipeline, a wind speed sensor, a fan, a water pump, a first water storage device, a second water storage device, a water turbine generator set and a double-fed power supply subsystem;
the opening of the air collecting pipeline faces to the direction of natural wind to form a wind tunnel;
the wind speed sensor and the fan are both arranged in the wind collecting pipeline and are arranged close to each other;
the fan adaptively adjusts the rotational inertia of the blade of the fan according to the current wind speed acquired by the wind speed sensor;
the first water storage device and the second water storage device are arranged at a preset height and are communicated through a pipeline to form a water circulation pipeline;
the water pump is in transmission connection with the fan; the water pump is driven by the fan to pump the water in the first water storage device into the second water storage device;
the water turbine generator set converts gravitational potential energy generated when water is released from the second water storage device to the first water storage device into electric energy;
the double-fed power supply subsystem is used for processing the electric energy into an electric energy form meeting the power supply requirement and feeding back and adjusting the running state of the water turbine generator set.
Preferably, in the wind power generation and energy storage power generation system, the opening of the wind collecting duct is in a horn shape.
Preferably, in the wind power generation, energy storage and power generation system, each blade of the fan is provided with a guide mechanism, a mass block and a transmission mechanism; a controller is arranged inside the shell of the fan; the guide mechanism is arranged along the length direction of the blade; the mass block is slidably mounted on the guide mechanism; the controller is electrically connected with the wind speed sensor and each transmission mechanism respectively and is used for controlling the transmission mechanism to drive the mass block to move to the corresponding position on the guide mechanism according to the current wind speed acquired by the wind speed sensor.
Preferably, in the wind power generation, energy storage and power generation system, the guide mechanism is a track structure, a transmission structure or a screw structure.
Preferably, in the wind power generation energy storage power generation system, the air collecting duct is formed by intersecting a plurality of air pipes with openings at two ends, and each air pipe faces to different directions; the fan is arranged at the position where the air pipes intersect.
Preferably, in the wind power generation energy storage power generation system, the double-fed power supply subsystem includes a rectification module, an energy storage module, a dc output control module, an inversion module, a main control module and a feedback regulation module;
the input end of the rectifying module is connected with the output end of the water turbine generator set and is used for converting three-phase alternating voltage output by the water turbine generator set into direct current voltage;
the input end of the energy storage module is connected with the output end of the rectification module, and the output end of the energy storage module is respectively connected with the input end of the direct current output control module and the input end of the inversion module;
the output end of the direct current output control module and the output end of the inversion module are respectively connected with loads with different power supply requirements;
the main control module is respectively connected with the output end of the rectification module, the output end of the direct current output control module, the output end of the inversion module and the input end of the feedback regulation module; the main control module judges the running state of the water turbine generator set according to the output voltage of the rectifying module and controls the feedback adjusting module to adjust the output voltage of the water turbine generator set;
and the output end of the feedback regulation module is electrically connected with the water turbine generator set.
Preferably, in the wind power generation energy storage power generation system, the double-fed power supply subsystem further includes a function button; the function keys are electrically connected with the main control module and used for inputting control instructions to the main control module.
Preferably, in the wind power generation and energy storage power generation system, the double-fed power supply subsystem further includes a display; the display is electrically connected with the main control module and is used for displaying various data information.
Preferably, in the wind power generation energy storage power generation system, the double-fed power supply subsystem further includes an alarm; the alarm is electrically connected with the main control module and used for sending out a prompt signal to abnormal conditions.
Through the technical scheme, compared with the prior art, the invention discloses and provides a wind power generation energy storage power generation system, which has the following beneficial effects:
1. the fan is arranged in the wind collecting pipeline, so that wind energy collected by the wind collecting pipeline can be collected to the maximum extent, and the condition that the fan is easy to rust or damage when exposed to the external environment can be avoided.
2. According to the invention, the current wind speed is acquired in real time through the wind speed sensor, and the rotational inertia of the fan blade is adaptively adjusted according to the change of the wind speed by the fan, so that the stability of the rotating speed of the fan is ensured, and the stability of the generating power of the water turbine generator set is further ensured.
3. The double-fed power supply subsystem can know the running state of the water turbine generator set in real time and carry out feedback regulation on the running state, so that the stable work of the water turbine generator set is effectively ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a wind power generation energy storage power generation system provided by the invention;
FIG. 2 is a schematic view of a fan blade according to the present invention;
fig. 3 is a block diagram of a double-fed power supply subsystem according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention discloses a wind power generation and energy storage power generation system, including: the wind power generation system comprises a wind collecting pipeline 1, a wind speed sensor 2, a fan 3, a water pump 4, a first water storage device 5, a second water storage device 6, a water turbine generator set 7 and a double-fed power supply subsystem 8;
the opening of the wind collecting pipeline 1 faces to the direction of natural wind to form a wind tunnel;
the wind speed sensor 2 and the fan 3 are both arranged inside the wind collecting pipeline 1 and are arranged close to each other;
the fan 3 adaptively adjusts the rotational inertia of the blade according to the current wind speed acquired by the wind speed sensor 2;
the first water storage device 5 and the second water storage device 6 are arranged at a preset height and are communicated through a pipeline to form a water circulation pipeline;
the water pump 4 is in transmission connection with the fan 3; the water pump 4 is driven by the fan 3 to pump the water in the first water storage device 5 to the second water storage device 6;
the water turbine generator set 7 converts gravitational potential energy generated when water is released from the second water storage device 6 to the first water storage device 5 into electric energy;
the double-fed power supply subsystem 8 is used for processing electric energy into an electric energy form meeting the power supply requirement and feeding back and adjusting the running state of the water turbine generator set 7.
Wherein, the opening shape of the wind collecting pipeline 1 is trumpet-shaped. In this embodiment, the trumpet-shaped opening can better accommodate the airflow and gather the wind power.
In one embodiment, the air collecting duct 1 is formed by intersecting a plurality of air pipes with openings at two ends, and each air pipe faces to different directions; the fan 3 is installed at the position where each air duct crosses. In this embodiment, gather the air current of equidirectional through each tuber pipe respectively, can gather the natural wind that a plurality of directions blown, in time at different periods of time, different periods, the wind direction changes, also can incessantly gather the air current, can improve the utilization ratio of wind energy.
In one embodiment, as shown in fig. 2, each blade of the fan 3 is provided with a guiding mechanism 301, a mass block 302 and a transmission mechanism (not shown in the figure); a controller (not shown in the figure) is arranged inside the shell of the fan 3; the guide mechanism 301 is arranged along the length direction of the blade; the mass 302 is slidably mounted on the guide mechanism 301; the controller is electrically connected to the wind speed sensor 2 and the transmission mechanism on each blade, and is configured to control the transmission mechanism to drive the mass block 302 to move to a corresponding position on the guide mechanism 301 according to the current wind speed collected by the wind speed sensor 2.
In this embodiment, it is pre-calculated where the mass block 302 is located in different wind speed states to ensure that the rotational speed of the wind turbine blade is unchanged, and the mass block 302 is controlled to be located at the relative position of the guide mechanism 301 in the wind speed states, so that when wind energy is collected, the impeller of the wind turbine 3 reaches the rated rotational speed, if the wind speed continues to increase, the pitch angle of the blade is firstly kept unchanged, and the transmission mechanism moves the mass block 302 in a direction away from the center of the hub under the control of the controller to increase the rotational inertia of the wind turbine, thereby keeping the rotational speed of the wind turbine stable.
When the mass block 302 moves to the farthest end of the guiding mechanism 301, the stored energy has reached the limit by changing the moment of inertia, and if the wind speed continues to increase at this time, the rotating speed of the wind wheel is kept constant and the power is kept constant by changing the pitch of the blades.
When the wind energy cannot be captured by reducing the pitch angle, the transmission mechanism moves the mass block 302 to a direction close to the center of the hub under the control of the controller, so that the rotational inertia of the wind wheel is reduced, and the rotational speed of the wind wheel is kept stable.
According to the embodiment of the invention, the position of the mass block 302 in the blade is changed, so that the rotational inertia of the blade of the fan 3 is changed, the mass block 302 stores and captures redundant wind energy in a kinetic energy mode, and obtains larger wind energy, and the speed of water pumped by the water pump 4 is kept approximately consistent, so that the power generation efficiency of the water turbine generator set 7 is kept stable.
More advantageously, the guiding means 301 is of rail construction, transmission construction or screw construction.
In other embodiments, as shown in fig. 3, the doubly-fed power supply subsystem 8 includes a rectification module 801, an energy storage module 802, a dc output control module 803, an inverter module 804, a main control module 805, and a feedback regulation module 806;
the input end of the rectifying module 801 is connected with the output end of the water turbine generator set 7, and the rectifying module is used for converting three-phase alternating-current voltage output by the water turbine generator set 7 into direct-current voltage;
the input end of the energy storage module 802 is connected with the output end of the rectification module 801, and the output end is respectively connected with the input end of the direct current output control module 803 and the input end of the inversion module 804;
the output end of the direct current output control module 803 and the output end of the inversion module 804 are respectively connected with loads 810 with different power supply requirements;
the main control module 805 is respectively connected with the output end of the rectification module 801, the output end of the direct current output control module 803, the output end of the inversion module 804 and the input end of the feedback regulation module 806; the main control module 805 determines the operation state of the hydraulic turbine generator set 7 according to the output voltage of the rectifying module 801, and controls the feedback adjusting module 806 to adjust the output voltage of the hydraulic turbine generator set 7;
the output end of the feedback regulation module 806 is electrically connected with the hydro turbine generator set 7.
After the hydroelectric generating set 7 in the embodiment of the present invention completes wind-electricity conversion, the rectifying module 801 converts three-phase alternating current into direct current voltage, the energy storage module 802 stores electric energy for use at any time, the inverting module 804 converts direct current output by the energy storage module 802 into alternating current to meet the power supply requirement of an alternating current load, the direct current output control module 803 is used for meeting the power supply requirement of a direct current load, and the main control module 805 acquires the state of the output voltage of the rectifying module 801, the inverting module 804 and the direct current output control module 803 on the power supply line in real time to monitor the line in real time.
The main control module 805 is further connected to the hydro turbine generator set 7 through the feedback adjusting module 806, and can collect the output voltage of the rectifying module 801, so as to determine the operating state of the hydro turbine generator set 7, automatically stabilize the output voltage of the hydro turbine generator set 7 through the adjusting function of the feedback adjusting module 806, and effectively ensure the stability of the output voltage. In this embodiment, the feedback adjusting module 806 adopts a PWM control chip.
In other embodiments, the doubly-fed power subsystem 8 further includes a function button 807; the function keys 807 are electrically connected to the main control module 805, and are used for inputting control instructions to the main control module 805.
The double-fed power supply subsystem 8 further comprises a display 808; the display 808 is electrically connected to the main control module 805, and is configured to display various data information.
The double-fed power supply subsystem 8 further comprises an alarm 809; the alarm 809 is electrically connected to the main control module 805, and is configured to send a prompt signal for an abnormal condition.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A wind power generation, energy storage, and power generation system, comprising: the wind power generation system comprises a wind collecting pipeline, a wind speed sensor, a fan, a water pump, a first water storage device, a second water storage device, a water turbine generator set and a double-fed power supply subsystem;
the opening of the air collecting pipeline faces to the direction of natural wind to form a wind tunnel;
the wind speed sensor and the fan are both arranged in the wind collecting pipeline and are arranged close to each other;
the fan adaptively adjusts the rotational inertia of the blade of the fan according to the current wind speed acquired by the wind speed sensor;
the first water storage device and the second water storage device are arranged at a preset height and are communicated through a pipeline to form a water circulation pipeline;
the water pump is in transmission connection with the fan; the water pump is driven by the fan to pump the water in the first water storage device into the second water storage device;
the water turbine generator set converts gravitational potential energy generated when water is released from the second water storage device to the first water storage device into electric energy;
the double-fed power supply subsystem is used for processing the electric energy into an electric energy form meeting the power supply requirement and feeding back and adjusting the running state of the water turbine generator set.
2. A wind power generation and energy storage system according to claim 1, wherein said opening of said wind collecting duct is trumpet shaped.
3. The wind power generation and energy storage power generation system according to claim 1, wherein each blade of the wind turbine is provided with a guide mechanism, a mass block and a transmission mechanism; a controller is arranged inside the shell of the fan; the guide mechanism is arranged along the length direction of the blade; the mass block is slidably mounted on the guide mechanism; the controller is electrically connected with the wind speed sensor and each transmission mechanism respectively and is used for controlling the transmission mechanism to drive the mass block to move to the corresponding position on the guide mechanism according to the current wind speed acquired by the wind speed sensor.
4. A wind energy storage and generation system according to claim 3, wherein said guiding means is a track structure, a transmission structure or a screw structure.
5. The wind power generation, energy storage and power generation system according to claim 1, wherein the air collecting duct is formed by intersecting a plurality of air ducts with openings at two ends, and each air duct faces to a different direction; the fan is arranged at the position where the air pipes intersect.
6. The wind power generation, energy storage and power generation system according to claim 1, wherein the double-fed power supply subsystem comprises a rectification module, an energy storage module, a direct current output control module, an inversion module, a main control module and a feedback regulation module;
the input end of the rectifying module is connected with the output end of the water turbine generator set and is used for converting three-phase alternating voltage output by the water turbine generator set into direct current voltage;
the input end of the energy storage module is connected with the output end of the rectification module, and the output end of the energy storage module is respectively connected with the input end of the direct current output control module and the input end of the inversion module;
the output end of the direct current output control module and the output end of the inversion module are respectively connected with loads with different power supply requirements;
the main control module is respectively connected with the output end of the rectification module, the output end of the direct current output control module, the output end of the inversion module and the input end of the feedback regulation module; the main control module judges the running state of the water turbine generator set according to the output voltage of the rectifying module and controls the feedback adjusting module to adjust the output voltage of the water turbine generator set;
and the output end of the feedback regulation module is electrically connected with the water turbine generator set.
7. The wind power generation, energy storage and power generation system of claim 6 wherein said double-fed power supply subsystem further comprises function keys; the function keys are electrically connected with the main control module and used for inputting control instructions to the main control module.
8. The wind power generation and energy storage system of claim 6, wherein said double-fed power supply subsystem further comprises a display; the display is electrically connected with the main control module and is used for displaying various data information.
9. The wind power generation, energy storage and power generation system of claim 6 wherein said double-fed power supply subsystem further comprises an alarm; the alarm is electrically connected with the main control module and used for sending out a prompt signal to abnormal conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110376003.5A CN113090444A (en) | 2021-04-08 | 2021-04-08 | Wind power generation energy storage power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110376003.5A CN113090444A (en) | 2021-04-08 | 2021-04-08 | Wind power generation energy storage power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113090444A true CN113090444A (en) | 2021-07-09 |
Family
ID=76674878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110376003.5A Pending CN113090444A (en) | 2021-04-08 | 2021-04-08 | Wind power generation energy storage power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113090444A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033731A (en) * | 2007-03-09 | 2007-09-12 | 中国科学院电工研究所 | Wind-power pumping water generating system |
| CN200968261Y (en) * | 2006-06-28 | 2007-10-31 | 邸慧民 | Wind power pump water accumulation energy electric generating apparatus |
| CN104716891A (en) * | 2015-03-20 | 2015-06-17 | 河南师范大学 | Solar and wind power integrated generation device |
| WO2015187006A1 (en) * | 2014-06-02 | 2015-12-10 | Soemar Emid | Wind and wave energy conversion |
| CN109510534A (en) * | 2018-12-12 | 2019-03-22 | 许昌学院 | A kind of dual feedback wind power generation system with energy storage |
| CN111396254A (en) * | 2020-03-19 | 2020-07-10 | 国电联合动力技术有限公司 | Energy storage device and energy storage method for wind generating set |
-
2021
- 2021-04-08 CN CN202110376003.5A patent/CN113090444A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200968261Y (en) * | 2006-06-28 | 2007-10-31 | 邸慧民 | Wind power pump water accumulation energy electric generating apparatus |
| CN101033731A (en) * | 2007-03-09 | 2007-09-12 | 中国科学院电工研究所 | Wind-power pumping water generating system |
| WO2015187006A1 (en) * | 2014-06-02 | 2015-12-10 | Soemar Emid | Wind and wave energy conversion |
| CN104716891A (en) * | 2015-03-20 | 2015-06-17 | 河南师范大学 | Solar and wind power integrated generation device |
| CN109510534A (en) * | 2018-12-12 | 2019-03-22 | 许昌学院 | A kind of dual feedback wind power generation system with energy storage |
| CN111396254A (en) * | 2020-03-19 | 2020-07-10 | 国电联合动力技术有限公司 | Energy storage device and energy storage method for wind generating set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10731629B2 (en) | Wind power plant controller | |
| US20110198846A1 (en) | Variable-speed power generator and method of controlling the same | |
| CN102777320B (en) | Torque and variable-pitch decoupling control method for wind driven generator set, controller and system thereof | |
| CN105781876A (en) | Control method for limited-power and limited-rotational-speed running of wind turbine generator system | |
| CN104329225B (en) | Wind power generator set power control method | |
| CN104795835A (en) | Control method and system for controlling switching frequency of double-fed wind power converter | |
| CN103441722B (en) | A kind of real power control method of double-fed fan motor unit | |
| Youssef et al. | Model predictive control for grid-tie wind-energy conversion system based PMSG | |
| CN109510534B (en) | Double-fed wind power generation system with energy storage function | |
| CN102097826B (en) | Doubly salient electromagnetic wind power generation system structure and control method | |
| CN100376065C (en) | Wind power generating system based on direct current generator | |
| CN111396254A (en) | Energy storage device and energy storage method for wind generating set | |
| CN113090444A (en) | Wind power generation energy storage power generation system | |
| Melício et al. | Doubly fed induction generator systems for variable speed wind turbine | |
| Zhou et al. | Control strategy to smooth wind power fluctuations of pmsg wind turbine based on the secondary exponential moving average method | |
| CN105041575A (en) | Multi-motor power generation device and wind power generation unit | |
| CN106230022A (en) | Improve low wind speed double-fed generator generated energy method, device and double-fed wind generator | |
| KR101400317B1 (en) | Wind power generator having expanded wind speed range for power generation and controlling method thereof | |
| CN204851538U (en) | Many motors power generation facility and wind generating set | |
| CN210317590U (en) | Wind power generation windmill rotation driving structure | |
| CN218816748U (en) | Offshore double-impeller wind generating set | |
| Alam et al. | Simulation, Modeling and Control of a Doubly Fed Induction Generator Base Wind Turbine System-A Review | |
| CN201332280Y (en) | Wind power generation current-transformation device | |
| CN107294443A (en) | A kind of double feed wind power generator control topological structure system and primary frequency modulation method | |
| CN214304172U (en) | Dampproof base for wind driven generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210709 |