CN219576652U - Hydropower plant energy storage system - Google Patents
Hydropower plant energy storage system Download PDFInfo
- Publication number
- CN219576652U CN219576652U CN202320250431.8U CN202320250431U CN219576652U CN 219576652 U CN219576652 U CN 219576652U CN 202320250431 U CN202320250431 U CN 202320250431U CN 219576652 U CN219576652 U CN 219576652U
- Authority
- CN
- China
- Prior art keywords
- energy storage
- winding wheel
- storage system
- driving motor
- generator
- 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.)
- Active
Links
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
- Y02E10/20—Hydro energy
Abstract
The utility model relates to the technical field of power grid frequency modulation, in particular to an energy storage system of a hydropower plant, which comprises a hydropower generation unit and a first energy storage unit, wherein the hydropower generation unit is suitable for generating electricity and storing energy by utilizing water energy, the first energy storage unit comprises a sliding rail, a carrying trailer, a connecting rope, a winding wheel, a driving motor and a first generator, the carrying trailer moves on the sliding rail in the up-down direction, the winding wheel is arranged at the upper end of the sliding rail, the driving motor is arranged at one side of the winding wheel, a power output shaft of the driving motor is connected with one end of the winding wheel, the first generator is arranged at one end of the winding wheel far away from the driving motor, a power input shaft of the first generator is connected with one end of the winding wheel far away from the driving motor, one end of the connecting rope is connected with the winding wheel, and the other end of the connecting rope is connected with the carrying trailer. The hydropower plant energy storage system provided by the embodiment of the utility model can convert and store redundant electric quantity, and improves the running stability of the hydropower plant.
Description
Technical Field
The utility model relates to the technical field of grid frequency modulation, in particular to an energy storage system of a hydropower plant.
Background
Hydropower plants are plants that convert potential and kinetic energy of water into electrical energy. The basic production process is as follows: the water is guided from the river height or other reservoirs, the hydraulic turbine is driven to rotate by the pressure or flow velocity of the water, gravitational potential energy and kinetic energy are converted into mechanical energy, and then the hydraulic turbine drives the generator to rotate, so that the mechanical energy is converted into electric energy.
The flood season is that hydropower station reservoir capacity is limited, can't store unnecessary water yield, and when the water yield in flood season was big, the water yield was less than water yield, and the water level rises gradually, and hydropower station just needs to be forced to abandon water, and these abandon water and do not have to be used as the electricity generation, has wasted the potential energy of water to in winter dead water, often when using the electricity peak, just appear the circumstances that the electricity is tension easily, can't store and let it access the electric wire netting to unnecessary electric energy, participate in the electric wire netting frequency modulation, alleviate the electricity tension.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the utility model provides the energy storage system for the hydropower plant, which can convert and store redundant electric quantity and improve the running stability of the hydropower plant.
The hydropower plant energy storage system comprises a hydropower generation unit, wherein the hydropower generation unit is suitable for generating and storing energy by utilizing water energy, the first energy storage unit comprises a sliding rail, a carrying trailer, a connecting rope, a winding wheel, a driving motor and a first generator, the carrying trailer moves on the sliding rail in the up-down direction, the winding wheel is arranged at the upper end of the sliding rail, the driving motor is arranged at one side of the winding wheel, a power output shaft of the driving motor is connected with one end of the winding wheel, the first generator is arranged at one end of the winding wheel far away from the driving motor, a power input shaft of the first generator is connected with one end of the winding wheel far away from the driving motor, one end of the connecting rope is connected with the winding wheel, and the other end of the connecting rope is connected with the carrying trailer.
The hydropower plant energy storage system provided by the embodiment of the utility model can convert and store redundant electric quantity, and improves the running stability of the hydropower plant.
In some embodiments, the first energy storage unit further comprises an electromagnetic brake, one end of the electromagnetic brake is connected with the driving motor, and the other end of the electromagnetic brake is connected with the winding wheel.
In some embodiments, the cargo trailer includes a floor, rollers disposed at a lower end of the floor, and a plurality of weights stacked at an upper end of the floor in an up-down direction.
In some embodiments, the cargo trailer further comprises a plurality of limit rods, wherein the lower ends of the limit rods are connected with the upper ends of the bottom plates, and the limit rods are circumferentially arranged at intervals on the bottom plates to limit the plurality of balancing weights.
In some embodiments, the first energy storage unit further comprises a resistance component and an electric telescopic rod, the resistance component is arranged at the lower end of the sliding rail, the resistance component comprises a buffer plate and a fixing piece, one end of the fixing piece is fixed on the ground, one end of the fixing piece, adjacent to the sliding rail, is connected with the buffer plate, and the electric telescopic rod is arranged at the upper end of the sliding rail.
In some embodiments, the resistance member further includes a damper spring having one end connected to the fixing member and the other end connected to the buffer plate.
In some embodiments, the power generation system further comprises a second power generation unit, wherein the second power generation unit comprises a water inlet pipe, a water outlet pipe, a water pump turbine, a second power generator and an accumulator, one end of the water inlet pipe is connected with one end of the water pump turbine, the other end of the water pump turbine is connected with the water outlet pipe, the output end of the water pump turbine is connected with the second power generator, the second power generator is connected with the accumulator, and the accumulator is connected with the driving motor.
In some embodiments, the water pump further comprises a valve, one end of the valve is connected with the water inlet pipe, and the other end of the valve is connected with the water pump turbine.
In some embodiments, the second power generation unit further includes a speed change member, one end of the speed change member is connected to the second power generator, and the other end of the speed change member is connected to an output end of the water pump turbine.
In some embodiments, the second power generation unit further includes a frequency modulation member, one end of the frequency modulation member is connected to the second power generator, and the other end of the speed change member is connected to the accumulator.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the energy storage system of the hydropower plant of the present utility model.
Fig. 2 is a schematic diagram of the drive motor of fig. 1.
Fig. 3 is a schematic view of a cargo trailer of the present utility model.
FIG. 4 is a schematic view of the resistance assembly of FIG. 1.
FIG. 5 is a side view of the hydropower plant energy storage system of the utility model.
Reference numerals:
1. a dam body; 11. feeding into a reservoir; 12. discharging the water from a reservoir; 13. a slide rail; 14. a dam top horizontal segment; 15. a dam bottom horizontal section; 16. an inclined section; 17. a cargo trailer; 18. a bottom plate; 19. a roller; 2. a limit rod; 21. an electric telescopic rod; 22. a reel; 23. a connecting rope; 24. a driving motor; 25. an electromagnetic brake; 26. a first generator; 27. a device chamber; 28. a water pump turbine; 29. a speed change member; 3. a second generator; 31. a frequency modulation member; 32. an electric storage device; 33. a resistance member; 34. a fixing member; 35. a damping spring; 36. a buffer plate; 37. balancing weight; 38. a water inlet pipe; 39. and a water outlet pipe.
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
The hydropower plant energy storage system comprises a hydropower unit and a first energy storage unit, wherein the hydropower unit is suitable for generating and storing energy by utilizing water energy, the first energy storage unit comprises a sliding rail 13, a carrying trailer 17, a connecting rope 23, a winding wheel 22, a driving motor 24 and a first generator 26, the carrying trailer 17 moves on the sliding rail 13 in the up-down direction, the winding wheel 22 is arranged at the upper end of the sliding rail 13, the driving motor 24 is arranged on one side of the winding wheel 22, a power output shaft of the driving motor 24 is connected with one end of the winding wheel 22, the first generator 26 is arranged at one end of the winding wheel 22 far away from the driving motor 24, a power input shaft of the first generator 26 is connected with one end of the winding wheel 22 far away from the driving motor 24, one end of the connecting rope 23 is connected with the winding wheel 22, and the other end of the connecting rope 23 is connected with the carrying trailer 17.
Specifically, as shown in fig. 1 to 5, the slide rail 13 extends in the up-down direction, the load trailer 17 is adapted to move up and down on the slide rail 13, the right end of the load trailer 17 is connected to one end of the connecting rope 23, the other end of the connecting rope 23 is wound around the winding wheel 22, the lower end of the winding wheel 22 is connected to the ground, one end of the winding wheel 22 is connected to the driving motor 24 to drive the load trailer 17 to move from the lower end of the slide rail 13 to the upper end of the slide rail 13, the other end of the winding wheel 22 is connected to the output end of the first generator 26, and when the load trailer 17 moves down, the winding wheel 22 is adapted to drive the input end of the first generator 26 to rotate so as to generate electricity by the first generator 26, and the first energy storage unit further includes an energy storage member, one end of which is connected to the first generator 26 to store electricity.
For example, the carrying trailer 17 moves from the upper end of the sliding rail 13 to the lower end of the sliding rail 13, and the carrying trailer 17 drives the winding wheel 22 to rotate so as to drive the first generator 26 to generate electricity, so that the amount of power transmitted by the energy storage system of the hydropower plant is increased.
The hydropower plant is provided with a dam body 1, an upper reservoir 11 and a lower reservoir 12 which are respectively arranged at the top and the bottom of the dam body 1. The slide rail 13 comprises a dam crest horizontal section 14 arranged at the top of the dam body 1, a dam bottom horizontal section 15 arranged at the bottom of the dam body 1 and an inclined section 16 arranged on the slope of the dam body 1 along the length direction thereof. The inlet of the hydroelectric power generation unit is connected with the upper reservoir 11, the outlet of the hydroelectric power generation unit is connected with the lower reservoir 12, and the hydroelectric power generation unit is suitable for generating power by utilizing the water energy.
The hydroelectric power generation unit is further connected with the driving motor 24, and when electricity consumption is low, the hydroelectric power generation unit transmits electric energy to the driving motor 24, and then the driving motor 24 drives the carrying trailer 17 to move from the dam bottom horizontal section 15 to the dam top horizontal section 14, so that the electric energy is converted into gravitational potential energy of the carrying trailer 17.
According to the hydropower plant energy storage system, the first energy storage unit is arranged, redundant electric quantity is converted and stored by the first energy storage unit when electricity consumption is low, and gravitational potential energy of the carrying trailer 17 is converted into electric energy by the first energy storage unit when electricity consumption is high, so that the running stability of the hydropower plant is improved.
In some embodiments, the first energy storage unit further comprises an electromagnetic brake 25, one end of the electromagnetic brake 25 is connected to the driving motor 24, and the other end of the electromagnetic brake 25 is connected to the winding wheel 22.
Specifically, as shown in fig. 1 to 5, one end of the electromagnetic brake 25 is connected to the driving motor 24, and the other end of the electromagnetic brake 25 is connected to the winding wheel 22, when the carrying trailer 17 moves downward, the end of the electromagnetic brake 25 connected to the driving motor 24 is disconnected so that the rotation of the winding wheel 22 cannot drive the driving motor 24 to rotate, thereby avoiding damage to the driving motor 24 caused by the rotation of the driving motor 24 when the carrying trailer 17 descends, and further improving the stability and safety of the energy storage system of the hydropower plant.
In some embodiments, the cargo trailer 17 includes a bottom plate 18, a roller 19 and a plurality of weights 37, the roller 19 is disposed at a lower end of the bottom plate 18, and the plurality of weights 37 are stacked on an upper end of the bottom plate 18 in an up-down direction.
Specifically, as shown in fig. 1 to 5, the lower end of the bottom plate 18 is provided with a pulley, the upper end of the bottom plate 18 is provided with a plurality of balancing weights 37, the plurality of balancing weights 37 are suitable for increasing the weight of the loading trailer 17, and the loading trailer 17 can smoothly move on the sliding rail 13 through the pulley, so that the stability of the energy storage system of the hydropower plant is improved.
Optionally, the cargo trailer 17 further includes a plurality of limiting rods 2, wherein the lower ends of the limiting rods 2 are connected with the upper end of the bottom plate 18, and the plurality of limiting rods 2 are arranged at intervals in the circumferential direction of the bottom plate 18 to limit the plurality of balancing weights 37. The stop bars 2 extend in the up-down direction, and a plurality of stop bars 2 are arranged at intervals in the circumferential direction of the bottom plate 18, and a plurality of balancing weights 37 are arranged between the stop bars 2. The amount of converting electric energy into gravitational potential energy is improved, and the stability and safety of the energy storage system of the hydropower plant are further improved.
In some embodiments, the first energy storage unit further includes a resistance member 33 and an electric telescopic rod 21, the resistance member 33 is disposed at a lower end of the sliding rail 13, the resistance member 33 includes a buffer plate 36 and a fixing member 34, one end of the fixing member 34 is fixed on the ground, one end of the fixing member 34 adjacent to the sliding rail 13 is connected to the buffer plate 36, and the electric telescopic rod 21 is disposed at an upper end of the sliding rail 13.
Specifically, as shown in fig. 1 to 5, the left end of the buffer plate 36 is connected to the fixing member 34, the lower end of the fixing member 34 is fixed on the ground, the right end of the fixing member 34 is connected to the left end of the buffer plate 36, the right end of the buffer plate 36 is suitable for buffering the cargo trailer 17, and the material of the buffer plate 36 may be rubber, so that the stability and safety of buffering are improved.
Further, the resistance member 33 further includes a damper spring 35, one end of the damper spring 35 is connected to the fixing member 34, and the other end of the damper spring 35 is connected to the damper plate 36, thereby improving the damper effect.
In some embodiments, the power generation system further comprises a second power generation unit, wherein the second power generation unit comprises a water inlet pipe 38, a water outlet pipe 39, a water pump turbine 28, a second generator 3 and an accumulator 32, one end of the water inlet pipe 38 is connected with one end of the water pump turbine 28, the other end of the water pump turbine 28 is connected with the water outlet pipe 39, the output end of the water pump turbine 28 is connected with the second generator 3, the second generator 3 is connected with the accumulator 32, and the accumulator 32 is connected with the driving motor 24.
Specifically, as shown in fig. 1 to 5, a device chamber 27 is provided on the side wall of the dam body 1, a water pump turbine 28 is installed in the device chamber 27, a power shaft of the water pump turbine 28 is connected with the second generator 3, the second generator 3 is connected with the accumulator 32, one end of the second generator 3 is connected with a water inlet pipe 38 extending into the bottom of the upper reservoir 11, a water outlet pipe 39 extending into the bottom of the lower reservoir 12 is connected with a water outlet of the water pump turbine 28, the water pump turbine 28 is suitable for generating mechanical energy by water energy, the water pump turbine 28 drives the second generator 3 to generate electricity, the second generator 3 transmits the electric energy to the accumulator 32, the accumulator 32 is suitable for storing the electric energy, and the accumulator 32 is suitable for being connected with an energy storage element, or the accumulator 32 is connected with the driving motor 24 to provide the electric energy for the driving motor 24. And further improves the stability and safety of the energy storage system of the hydropower plant.
In some embodiments, a valve is also included, one end of which is connected to the inlet pipe 38 and the other end of which is connected to the pump turbine 28.
Specifically, as shown in fig. 1 to 5, one end of the valve is connected to the water inlet pipe 38, and the other end of the valve is connected to the water pump turbine 28, for example, when the water supply to the water pump turbine 28 needs to be stopped, the valve isolates the water pump turbine 28 from the water inlet pipe 38, so that the safety of the energy storage system of the hydropower plant is improved.
In some embodiments, the second power generation unit further comprises a speed change member 29, one end of the speed change member 29 is connected to the second power generator 3, and the other end of the speed change member 29 is connected to the output end of the water pump turbine 28.
Specifically, as shown in fig. 1 to 5, one end of the speed changing member 29 is connected with the input end of the second generator 3, and the other end of the speed changing member 29 is connected with the water pump turbine 28, so that the second generator 3 is prevented from being damaged due to too high rotation speed of the water pump turbine 28 by arranging the speed changing member 29, and stability and safety of an energy storage system of a hydropower plant are improved.
Further, the second power generation unit further comprises a frequency modulation piece 31, one end of the frequency modulation piece 31 is connected with the second power generator 3, the other end of the speed change piece 29 is connected with the accumulator 32, the frequency modulation piece 31 is suitable for integrating the output current of the second power generator 3, and the safety of the energy storage system of the hydropower plant is improved.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. A hydropower plant energy storage system, comprising:
the hydroelectric generation unit is suitable for generating power and storing energy by utilizing water energy;
the first energy storage unit comprises a sliding rail, a carrying trailer, a connecting rope, a winding wheel, a driving motor and a first generator, wherein the carrying trailer moves on the sliding rail along the vertical direction, the winding wheel is arranged at the upper end of the sliding rail, the driving motor is installed on one side of the winding wheel, a power output shaft of the driving motor is connected with one end of the winding wheel, the winding wheel is far away from one end of the driving motor, the first generator is installed on one end of the winding wheel, a power input shaft of the first generator is far away from one end of the driving motor, one end of the connecting rope is connected with the winding wheel, and the other end of the connecting rope is connected with the carrying trailer.
2. The hydropower plant energy storage system of claim 1, wherein the first energy storage unit further comprises an electromagnetic brake, one end of the electromagnetic brake is connected with the driving motor, and the other end of the electromagnetic brake is connected with the winding wheel.
3. The hydropower plant energy storage system of claim 1, wherein the cargo trailer comprises a bottom plate, rollers arranged at a lower end of the bottom plate, and a plurality of weights stacked at an upper end of the bottom plate in an up-down direction.
4. The hydropower plant energy storage system of claim 3, wherein the cargo trailer further comprises a plurality of limit rods, wherein the lower ends of the limit rods are connected with the upper ends of the bottom plates, and the limit rods are circumferentially spaced apart on the bottom plates to limit the plurality of balancing weights.
5. The hydropower plant energy storage system of claim 4, wherein the first energy storage unit further comprises a resistance component and an electric telescopic rod, the resistance component is arranged at the lower end of the sliding rail, the resistance component comprises a buffer plate and a fixing piece, one end of the fixing piece is fixed on the ground, one end of the fixing piece adjacent to the sliding rail is connected with the buffer plate, and the electric telescopic rod is arranged at the upper end of the sliding rail.
6. The hydropower plant energy storage system of claim 5, wherein the resistance member further comprises a damper spring, one end of the damper spring is connected to the fixing member, and the other end of the damper spring is connected to the buffer plate.
7. The hydropower plant energy storage system according to claim 1, further comprising a second power generation unit, wherein the second power generation unit comprises a water inlet pipe, a water outlet pipe, a water pump turbine, a second power generator and a power accumulator, one end of the water inlet pipe is connected with one end of the water pump turbine, the other end of the water pump turbine is connected with the water outlet pipe, the output end of the water pump turbine is connected with the second power generator, the second power generator is connected with the power accumulator, and the power accumulator is connected with the driving motor.
8. The hydropower plant energy storage system of claim 7, further comprising a valve, one end of the valve being connected to the water inlet pipe, the other end of the valve being connected to the pump turbine.
9. The hydropower plant energy storage system of claim 8, wherein the second power generation unit further comprises a speed change member, one end of the speed change member is connected with the second generator, and the other end of the speed change member is connected with the output end of the water pump turbine.
10. The hydropower plant energy storage system of claim 9, wherein the second power generating unit further comprises a frequency modulation member, one end of the frequency modulation member is connected to the second generator, and the other end of the speed change member is connected to the accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320250431.8U CN219576652U (en) | 2023-02-17 | 2023-02-17 | Hydropower plant energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320250431.8U CN219576652U (en) | 2023-02-17 | 2023-02-17 | Hydropower plant energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219576652U true CN219576652U (en) | 2023-08-22 |
Family
ID=87659632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320250431.8U Active CN219576652U (en) | 2023-02-17 | 2023-02-17 | Hydropower plant energy storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219576652U (en) |
-
2023
- 2023-02-17 CN CN202320250431.8U patent/CN219576652U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4077213A (en) | Wave driven generator | |
| US9957018B1 (en) | System for wave amplifying, wave energy harnessing, and energy storage | |
| CN101963125A (en) | Wave power generating system with floating-body-based rope pulley | |
| USRE31111E (en) | Wave driven generator | |
| KR20120024552A (en) | Offshore floating ocean energy system | |
| EP3155254A2 (en) | Stored energy system | |
| CN108843504A (en) | A kind of offshore wind power system of combination compressed-air energy storage and water-storage | |
| CN101529088A (en) | Wave energy converter | |
| US9657708B2 (en) | Pumped-storage system | |
| CN102410134A (en) | Multi-oscillating floater wave-driven hydraulic power generating device | |
| CN219576652U (en) | Hydropower plant energy storage system | |
| JP6001798B1 (en) | Power generation system and potential energy storage device for power generation system | |
| EP2302202B1 (en) | Hydraulic propulsion for increases of hydroelektric power station capacity | |
| CN102384035A (en) | Wind energy collecting device and wind power generation system thereof | |
| KR20120074461A (en) | Wave generator system | |
| WO2020239131A1 (en) | Integrated energy storage pool and tower foundation of vertical-axis wind turbine | |
| WO2010118777A1 (en) | Apparatus for generating current from natural and renewable energy | |
| CN214900361U (en) | Heavy object lift energy storage power station | |
| US20220145845A1 (en) | Pumped-storage power plant, method for operating a pumped-storage power plant, and pumped-storage system | |
| CN208057304U (en) | Spirality channel pumped-storage power generation device | |
| CN206592243U (en) | A kind of wind-driven water pumping energy accumulation electricity generator | |
| CN217063388U (en) | Gravity energy storage device for rock-fill dam | |
| JP3991337B2 (en) | Water storage type power generator | |
| CN110594082A (en) | Oscillating float type power generation system | |
| CN110439727A (en) | A kind of hydraulic accumulation energy system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |