CN202228448U - Liquid pressure-air pressure combined piston-type energy storage system - Google Patents
Liquid pressure-air pressure combined piston-type energy storage system Download PDFInfo
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- CN202228448U CN202228448U CN2011203060928U CN201120306092U CN202228448U CN 202228448 U CN202228448 U CN 202228448U CN 2011203060928 U CN2011203060928 U CN 2011203060928U CN 201120306092 U CN201120306092 U CN 201120306092U CN 202228448 U CN202228448 U CN 202228448U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- 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
Abstract
The utility model discloses a liquid pressure-air pressure combined piston-type energy storage system, and relates to an electric power storage technology. When the electricity is consumed less, a liquid is pressed from a liquid storage device into a piston-type energy storage device through a hydraulic pump, thus the gas in a tank is compressed, and the electric energy is converted into internal energy of the gas to be stored; and when the electricity is consumed more, the high-pressure gas in the piston-type energy storage device is expanded so as to press the liquid out, a hydraulic motor is driven by a pipeline, and a power generator is driven to generate electricity. According to the utility model, the working characteristics of the piston-type energy storage device are utilized, a compressed air energy storage system is miniaturized, and the problem that the traditional compressed air energy storage system relies on geographic conditions is solved; and at the same time, the piston-type energy storage system has the characteristics of low manufacturing cost, high efficiency, no restriction of energy storage cycle, environmental friendliness and the like, is suitable for various types of power supplies, and has a wide application prospect.
Description
Technical field
The utility model relates to the electrical power storage technical field, the piston type energy-storage system that particularly a kind of hydraulic pressure-air pressure combines.
Background technique
For a long time, for satisfying ever-increasing electric load requirement, power department has to require to build generating capacity according to maximum load.This has caused the superfluous and waste of a large amount of generating capacities on the one hand, and on the other hand, power department is had to again in the brownout of peak of power consumption period.Therefore press for economy, stable, reliably, the electric power energy-storage system matches with it to alleviate the excessive situation of system loading peak-valley difference efficiently.Especially for nuclear power station etc. only can high-order operation electric power system, the demand of electric power energy-storage system is just more urgent.What is more important, electric power energy-storage system are with intermittent energy source " splicing ", improve the effective means of renewable energy utilization rate.Simultaneously, the electric power energy-storage system still solves the key of problem technology that the distributed energy resource system capacity is little, fluctuation of load is big.
Compressed-air energy storage is the most potential extensive electric power energy storage technology except that pumped storage.Conventional compression air energy-storage system is based on a kind of energy-storage system of gas turbine technology exploitation, at low power consumption gas is pressed in the gas storage chamber, stores thereby electric energy is converted into gas internal energy; In peak of power consumption pressurized gas are discharged from gas storage chamber, get into gas-turbine combustion chamber and burn together, drive turbine power generation then with fuel.Conventional compression air energy-storage system has that stored energy capacitance is big, the energy storage cycle is long, efficient is higher and advantage such as specific investment cost is less relatively; But compressed-air energy-storage system still relies on combustion of fossil fuels thermal source is provided, and does not meet the green energy resource demand for development; Simultaneously, conventional compression air energy-storage system also needs specific geographical condition to build large-scale gas storage chamber, like rock cavity, Yan Dong, abandoned mine etc., thereby big limitations the application area of conventional compression air energy-storage system.
The model utility content
The purpose of the utility model patent is to disclose the piston type energy-storage system that a kind of hydraulic pressure-air pressure combines; To solve the subject matter that conventional compression air energy-storage system faces; Promptly to the dependence problem of special geographical conditions; It low power consumption through oil hydraulic pump liquid is pressed into from liquid-storage container piston accumulator make jar in gas be compressed, can store thereby electric energy is converted into the interior of gas; When peak of power consumption, the pressurized gas in the piston accumulator expand liquid are extruded, and drive oil hydraulic motor and drive generator for electricity generation through pipeline, thereby solved the dependence problem of conventional compression air energy-storage system to geographical conditions.
For achieving the above object, the technical solution of the utility model is:
The piston type energy-storage system that a kind of hydraulic pressure-air pressure combines comprises oil hydraulic pump-motor energy storage unit, piston accumulator, liquid-storage container, valve and pipeline; Its oil hydraulic pump-motor energy storage unit is reversible oil hydraulic pump-motor energy storage unit, comprises at least one reversible oil hydraulic pump-motor;
Reversible oil hydraulic pump-motor energy storage unit interlinks with liquid-storage container, piston accumulator respectively through two pipelines, respectively is provided with valve in two pipelines.
The piston type energy-storage system that described hydraulic pressure-air pressure combines, they are when many reversible oil hydraulic pumps-motor, and many reversible oil hydraulic pump-motors are series connection form or parallel form; In parallel form, each split axle and main driving axle are dynamically connected, and many pipelines are parallel with one another, are provided with valve in each bar pipeline, or are compiled in two total valves respectively.
The piston type energy-storage system that a kind of hydraulic pressure-air pressure combines comprises oil hydraulic pump-motor energy storage unit, piston accumulator, liquid-storage container, valve and pipeline; Its oil hydraulic pump-motor energy storage unit is four machine formulas or three machine formula oil hydraulic pumps-motor energy storage unit, comprises at least one oil hydraulic pump, an oil hydraulic motor;
End interlinks through two pipelines and liquid-storage container, piston accumulator respectively about oil hydraulic pump-motor energy storage unit, respectively is provided with valve in two pipelines;
A pipeline and liquid-storage container, the piston accumulator held about oil hydraulic pump-motor energy storage unit interlink, and constitute tank circuit, about another pipeline and liquid-storage container, the piston accumulator of end interlink, constitute and release the ability loop.
The piston type energy-storage system that described hydraulic pressure-air pressure combines, it is when many oil hydraulic pumps, oil hydraulic motor, and many oil hydraulic pumps, oil hydraulic motors are series connection form or parallel form; In parallel form, each split axle and main driving axle are dynamically connected, and many pipelines are parallel with one another, constitute many tank circuits or release the ability loop, are provided with valve in each bar pipeline, or are compiled in two total valves respectively.
The piston type energy-storage system that described hydraulic pressure-air pressure combines, the driving power of its said oil hydraulic pump-motor energy storage unit is in conventional power plant low ebb (at a low price) electricity, nuclear power, wind-powered electricity generation, solar electrical energy generation, water power or the tidal power generation one or more.
The piston type energy-storage system that described hydraulic pressure-air pressure combines, its said piston accumulator is full-replacement type or non-full-replacement type, its range of working pressure is 0 to 138MPa.
The piston type energy-storage system that described hydraulic pressure-air pressure combines, its said full-replacement type piston accumulator interlinks through pipeline and gas cylinder or middle air bottle, is provided with valve in the pipeline.
The piston type energy-storage system that described hydraulic pressure-air pressure combines, its said liquid-storage container is installed in ground or underground; Liquid in the liquid-storage container is for mineral oil, water, triglycerides, polyethyleneglycol, synthetic ester, polyolefin, oil-in-water emulsion, water-in-oil type emulsion, contain one or more the combination in aqueous solutions of polymers, the anhydrous synthetic liquid of phosphate ester.
The piston type energy-storage system that described hydraulic pressure-air pressure combines, the gas in its said piston accumulator is one or more the mixing in air, nitrogen, argon gas, the helium; Piston accumulator is installed on the ground or is underground.
The piston type energy-storage system that described hydraulic pressure-air pressure combines, its said oil hydraulic pump or reversible oil hydraulic pump-motor are a kind of in the gear type, blade type, plunger type, screw type, roots-type in quantitative hydraulic pump or the volume adjustable hydraulic pump.
The piston type energy-storage system that described hydraulic pressure-air pressure combines, its said oil hydraulic motor or reversible oil hydraulic pump-motor are a kind of in the gear type, blade type, plunger type, screw type, roots-type in high-speed hydraulic motor or the low speed hydraulic motor.
The advantage of the utility model is: utilize the work characteristics of piston accumulator, make compressed-air energy-storage system microminiaturized, thereby solved the dependence problem of conventional compression air energy-storage system to geographical conditions.Have simultaneously that cost is low, efficient is high, do not receive the energy storage cycle limit, be applicable to all kinds power supply, characteristics such as environmentally friendly, have broad application prospects.
Description of drawings
Fig. 1 is embodiment's 1 structural representation of the piston type energy-storage system of the utility model hydraulic pressure-air pressure combination;
Fig. 2 is embodiment's 2 structural representations of the piston type energy-storage system of the utility model hydraulic pressure-air pressure combination;
Fig. 3 is embodiment's 3 structural representations of the piston type energy-storage system of the utility model hydraulic pressure-air pressure combination;
Fig. 4 is embodiment's 4 structural representations of the piston type energy-storage system of the utility model hydraulic pressure-air pressure combination.
Embodiment
The piston type energy-storage system that a kind of hydraulic pressure of the utility model-air pressure combines, it is pressed into piston accumulator with liquid from liquid-storage container through oil hydraulic pump at low power consumption, and jar interior gas is compressed, and can store thereby electric energy is converted into the interior of gas; In peak of power consumption, the pressurized gas in the piston accumulator expand liquid are extruded, and drive oil hydraulic motor and drive generator for electricity generation through pipeline.It utilizes the piston accumulator work characteristics, makes compressed-air energy-storage system microminiaturized, thereby has solved the dependence problem of conventional compression air energy-storage system to geographical conditions.
The driving power of the utility model is one or more in conventional power plant low ebb (at a low price) electricity, nuclear power, wind-powered electricity generation, solar electrical energy generation, water power or the tidal power generation.Thermal energy storage process is launched when low power consumption (at a low price), renewable energy power generation redundancy; Exoergic process is at peak of power consumption (at high price), electric power accident, launch when renewable energy power generation is undesirable.Have simultaneously that cost is low, efficient is high, do not receive the energy storage cycle limit, be applicable to all kinds power supply, characteristics such as environmentally friendly, have broad application prospects
Embodiment:
Fig. 1 is the embodiment 1 of the piston type energy-storage system of the utility model hydraulic pressure-air pressure combination.The piston type energy-storage system that the four machine formula hydraulic pressure of the utility model-air pressure combines, it adopts four machine formula oil hydraulic pumps-motor energy storage unit, and piston accumulator is non-full-replacement type.Wherein, liquid-storage container 1, pipeline 2,4,6,8,10,11,13, four machine formula oil hydraulic pumps-motor energy storage unit 5, valve 3,7,12 and piston accumulator 9.Four machine formula oil hydraulic pumps-motor energy storage unit comprises motor, oil hydraulic pump, oil hydraulic motor and generator; The transmission shaft of motor and oil hydraulic pump is affixed, and the transmission shaft of generator and oil hydraulic motor is affixed.
Liquid-storage container 1 and four machine formula oil hydraulic pumps-motor energy storage unit 5 interlink through pipeline 2,4,11,13 and valve 3,12, and four machine formula oil hydraulic pumps-motor energy storage unit 5 interlinks through pipeline 6,8,10 and valve 7 with piston accumulator 9.
During energy storage, valve 3,7 is opened, and valve 12 is closed, and low ebb (at a low price) electricity drives four machine formula oil hydraulic pumps-motor energy storage unit 5, and liquid is pressed into piston accumulator 9 through pipeline 2,4,6,10,8, and jar interior gas is compressed.Thermal energy storage process finishes, and valve 3,7 is closed.When releasing ability, valve 7,12 is opened, and valve 3 is closed, and the pressurized gas in the piston accumulator 9 expand, and liquid is delivered to liquid-storage container 1 through pipeline 8,10,11,13 and valve 7,12, and drives four machine formula oil hydraulic pumps-motor energy storage unit 5 generatings.Exoergic process finishes, and valve 7,12 is closed.
Generally speaking, operation when energy storage is different with exoergic process, during energy storage, the oil hydraulic pump and the motor work of four machine formula oil hydraulic pumps-motor energy storage unit 5, oil hydraulic motor and generator are closed; Then opposite when releasing ability, the oil hydraulic motor and the generator work of four machine formula oil hydraulic pumps-motor energy storage unit 5, oil hydraulic pump and motor are closed.
Fig. 2 is the embodiment 2 of the piston type energy-storage system that combines of the hydraulic pressure-air pressure of the utility model.The piston type energy-storage system that the three machine formula hydraulic pressure of the utility model-air pressure combines, its agent structure is identical with embodiment 1, but adopts three machine formula oil hydraulic pumps-motor energy storage unit to replace the four machine formula oil hydraulic pumps-motor energy storage unit among the embodiment 1.Wherein, liquid-storage container 1, pipeline 2,4,6,8,10,11,13, three machine formula oil hydraulic pumps-motor energy storage unit 5, valve 3,7,12 and piston accumulator 9.Three machine formula oil hydraulic pumps-motor energy storage unit comprises oil hydraulic motor, oil hydraulic pump and reversible motor generator; The transmission shaft of oil hydraulic pump and oil hydraulic motor and reversible motor generator is affixed.
Liquid-storage container 1 and three machine formula oil hydraulic pumps-motor energy storage unit 5 interlink through pipeline 2,4,11,13 and valve 3,12, and three machine formula oil hydraulic pumps-motor energy storage unit 5 interlinks through pipeline 6,8,10 and valve 7 with piston accumulator 9.
During energy storage, valve 3,7 is opened, and valve 12 is closed, and low ebb (at a low price) electricity drives three machine formula oil hydraulic pumps-motor energy storage unit 5, liquid is pressed into piston accumulator 9 through pipeline 2,4,6,10,8 jar interior gas is compressed.Thermal energy storage process finishes, and valve 3,7 is closed.When releasing ability, valve 7,12 is opened, and valve 3 is closed, and piston accumulator 9 mesohigh gases are delivered to liquid-storage container 1 with liquid through pipeline 8,10,11,13 and valve 7,12, and drives three machine formula oil hydraulic pumps-motor energy storage unit 5 generatings.Exoergic process finishes, and valve 7,12 is closed.
Generally speaking, operation when energy storage is different with exoergic process, during energy storage, the oil hydraulic pump and the motor work of three machine formula oil hydraulic pumps-motor energy storage unit 5, oil hydraulic motor and generator are closed; Then opposite when releasing ability, the oil hydraulic motor and the generator work of three machine formula oil hydraulic pumps-motor energy storage unit 5, oil hydraulic pump and motor are closed.
Fig. 3 is the embodiment 3 of the piston type energy-storage system that combines of the hydraulic pressure-air pressure of the utility model.The piston type energy-storage system that the reversible hydraulic pressure of the utility model-air pressure combines, its agent structure is identical with embodiment 1, but adopts reversible oil hydraulic pump-motor energy storage unit to replace the four machine formula oil hydraulic pumps-motor energy storage unit among the embodiment 1.Wherein, liquid-storage container 1, pipeline 8,10,11,13, reversible oil hydraulic pump-motor energy storage unit 5, valve 7,12 and piston accumulator 9.Reversible oil hydraulic pump-motor energy storage unit comprises reversible motor generator and reversible oil hydraulic pump-motor; The transmission shaft of reversible motor generator and reversible oil hydraulic pump-motor is affixed.
Liquid-storage container 1 interlinks through pipeline 11,13 and valve 12 with reversible oil hydraulic pump-motor energy storage unit 5, and oil hydraulic pump-motor energy storage unit 5 interlinks through pipeline 8,10 and valve 7 with piston accumulator 9.
During energy storage, valve 7,12 is opened, and low ebb (at a low price) electricity drives reversible oil hydraulic pump-motor energy storage unit 5, liquid is pressed into piston accumulator 9 through pipeline 13,11,10,8 and valve 12,7 jar interior gas is compressed.Thermal energy storage process finishes, and valve 7,12 is closed.When releasing ability, valve 7,12 is opened, and piston accumulator 9 mesohigh gases are delivered to liquid-storage container 1 with liquid through pipeline 8,10,11,13 and valve 7,12, and drives reversible oil hydraulic pump-motor energy storage unit 5 generatings.Exoergic process finishes, and valve 7,12 is closed.
Generally speaking, operation when energy storage is different with exoergic process, during energy storage, reversible oil hydraulic pump-motor energy storage unit 5 is worked under oil hydraulic pump-electric motor mode; Then opposite when releasing ability, reversible oil hydraulic pump-motor energy storage unit 5 is worked under oil hydraulic motor-generator mode.
Fig. 4 is the embodiment 4 of the piston type energy-storage system that combines of the hydraulic pressure-air pressure of the utility model.The piston type energy-storage system that the reversible hydraulic pressure of the utility model-air pressure combines; Its agent structure is identical with embodiment 3; But adopt the full-replacement type piston accumulator to replace non-full-replacement type piston accumulator among the embodiment 3, can increase the piston accumulator capacity like this.Wherein, liquid-storage container 1, pipeline 8,10,11,13,14,16, reversible oil hydraulic pump-motor energy storage unit 5, valve 7,12,15, piston accumulator 9 and gas cylinder 17.Reversible oil hydraulic pump-motor energy storage unit comprises reversible motor generator and reversible oil hydraulic pump-motor; The transmission shaft of reversible motor generator and reversible oil hydraulic pump-motor is affixed.
Valve 15 is common valve or holding valves of screwing; Gas cylinder 17 is gas cylinder or middle air bottle.
Liquid-storage container 1 interlinks through pipeline 11,13 and valve 12 with reversible oil hydraulic pump-motor energy storage unit 5; Oil hydraulic pump-motor energy storage unit 5 interlinks through pipeline 8,10 and valve 7 with piston accumulator 9, and piston accumulator 9 interlinks through pipeline 14,16 and valve 15 with gas cylinder 17.
During energy storage; Valve 12,7,15 is opened; Low ebb (at a low price) electricity drives reversible oil hydraulic pump-motor energy storage unit 5, liquid is sent into piston accumulator 9 through pipeline 13,11,10,8 and valve 12,7, and jar interior gas is pressed in the gas cylinder 17 through pipeline 14,16 and valve 15.Thermal energy storage process finishes, and valve 12,7,15 is closed.When releasing ability; Valve 15,7,12 is opened; Gas in the gas cylinder 17 extrudes the liquid in the piston accumulator 9 through pipeline 16,14 and valve 15, and delivers to liquid-storage container 1 through pipeline 8,10,11,13 and valve 7,12, and drives reversible oil hydraulic pump-motor energy storage unit 5 generatings.Exoergic process finishes, and valve 15,7,12 is closed.
The mode of operation of the reversible oil hydraulic pump in the system-motor energy storage unit is identical with embodiment 3.
Reversible oil hydraulic pump-motor energy storage unit also can be four machine formula oil hydraulic pumps-motor energy storage unit or three machine formula oil hydraulic pumps-motor energy storage unit, and its agent structure is identical with embodiment 1,2 respectively.
The piston type energy-storage system that a kind of hydraulic pressure of the utility model-air pressure combines during energy storage, flow, the rotating speed through the control oil hydraulic pump, is closed down the part oil hydraulic pump and is regulated energy storage capacity; Release can the time, flow, the rotating speed through the control oil hydraulic motor, close down the part oil hydraulic motor and regulate generating capacity.
Claims (9)
1. the piston type energy-storage system that hydraulic pressure-air pressure combines comprises oil hydraulic pump-motor energy storage unit, piston accumulator, liquid-storage container, valve and pipeline; It is characterized in that: oil hydraulic pump-motor energy storage unit is reversible oil hydraulic pump-motor energy storage unit, comprises at least one reversible oil hydraulic pump-motor;
Reversible oil hydraulic pump-motor energy storage unit interlinks with liquid-storage container, piston accumulator respectively through two pipelines, respectively is provided with valve in two pipelines.
2. the piston type energy-storage system that hydraulic pressure according to claim 1-air pressure combines is characterized in that: when many reversible oil hydraulic pumps-motor, many reversible oil hydraulic pump-motors are series connection form or parallel form; In parallel form, each split axle and main driving axle are dynamically connected, and many pipelines are parallel with one another, are provided with valve in each bar pipeline, or are compiled in two total valves respectively.
3. the piston type energy-storage system that hydraulic pressure-air pressure combines comprises oil hydraulic pump-motor energy storage unit, piston accumulator, liquid-storage container, valve and pipeline; It is characterized in that: oil hydraulic pump-motor energy storage unit is four machine formulas or three machine formula oil hydraulic pumps-motor energy storage unit, comprises at least one oil hydraulic pump, an oil hydraulic motor;
End interlinks through two pipelines and liquid-storage container, piston accumulator respectively about oil hydraulic pump-motor energy storage unit, respectively is provided with valve in two pipelines;
A pipeline and liquid-storage container, the piston accumulator held about oil hydraulic pump-motor energy storage unit interlink, and constitute tank circuit, about another pipeline and liquid-storage container, the piston accumulator of end interlink, constitute and release the ability loop.
4. the piston type energy-storage system that hydraulic pressure according to claim 3-air pressure combines, it is characterized in that: when many oil hydraulic pumps, oil hydraulic motor, many oil hydraulic pumps, oil hydraulic motors are series connection form or parallel form; In parallel form, each split axle and main driving axle are dynamically connected, and many pipelines are parallel with one another, constitute many tank circuits or release the ability loop, are provided with valve in each bar pipeline, or are compiled in two total valves respectively.
5. the piston type energy-storage system that combines according to claim 1 or 3 described hydraulic pressure-air pressure; It is characterized in that: the driving power of said oil hydraulic pump-motor energy storage unit is in conventional power plant low ebb electricity, nuclear power, wind-powered electricity generation, solar electrical energy generation, water power or the tidal power generation one or more.
6. the piston type energy-storage system that combines according to claim 1 or 3 described hydraulic pressure-air pressure is characterized in that: said piston accumulator, be full-replacement type or non-full-replacement type, and its range of working pressure is 0 to 138MPa.
7. the piston type energy-storage system that hydraulic pressure according to claim 6-air pressure combines is characterized in that: said full-replacement type piston accumulator, interlink through pipeline and gas cylinder or middle air bottle, and be provided with valve in the pipeline.
8. the piston type energy-storage system that combines according to claim 1 or 3 described hydraulic pressure-air pressure; It is characterized in that: said oil hydraulic pump or reversible oil hydraulic pump-motor are a kind of in gear type, blade type, plunger type, screw type or the roots-type in quantitative hydraulic pump or the volume adjustable hydraulic pump.
9. the piston type energy-storage system that combines according to claim 1 or 3 described hydraulic pressure-air pressure; It is characterized in that: said oil hydraulic motor or reversible oil hydraulic pump-motor are a kind of in gear type, blade type, plunger type, screw type or the roots-type in high-speed hydraulic motor or the low speed hydraulic motor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203060928U CN202228448U (en) | 2011-08-22 | 2011-08-22 | Liquid pressure-air pressure combined piston-type energy storage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203060928U CN202228448U (en) | 2011-08-22 | 2011-08-22 | Liquid pressure-air pressure combined piston-type energy storage system |
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| CN202228448U true CN202228448U (en) | 2012-05-23 |
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| CN2011203060928U Expired - Lifetime CN202228448U (en) | 2011-08-22 | 2011-08-22 | Liquid pressure-air pressure combined piston-type energy storage system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018072234A1 (en) * | 2016-10-18 | 2018-04-26 | 杨富刚 | Energy storage structure |
| CN108050026A (en) * | 2017-12-06 | 2018-05-18 | 华北电力大学 | A kind of solar energy power plant and compressed-air energy storage unit associations running gear and its control method |
-
2011
- 2011-08-22 CN CN2011203060928U patent/CN202228448U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018072234A1 (en) * | 2016-10-18 | 2018-04-26 | 杨富刚 | Energy storage structure |
| GB2570022A (en) * | 2016-10-18 | 2019-07-10 | Yang Fugang | Energy storage structure |
| GB2570022B (en) * | 2016-10-18 | 2021-12-29 | Yang Fugang | Energy storage structure |
| CN108050026A (en) * | 2017-12-06 | 2018-05-18 | 华北电力大学 | A kind of solar energy power plant and compressed-air energy storage unit associations running gear and its control method |
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