CN103607054A - Distributed solar pumped storage power station - Google Patents
Distributed solar pumped storage power station Download PDFInfo
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- CN103607054A CN103607054A CN201310601141.4A CN201310601141A CN103607054A CN 103607054 A CN103607054 A CN 103607054A CN 201310601141 A CN201310601141 A CN 201310601141A CN 103607054 A CN103607054 A CN 103607054A
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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
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The invention discloses a distributed solar pumped storage power station which comprises a plurality of solar panel arrays used for converting solar energy to electric energy. As is well known, the solar panels generate direct-current electricity, the solar panels are connected with direct current motors (an inverter high in failure rate and high in price is omitted), the direct current motors are connected with water pumps which are communicated with a high water tower, the high water tower comprises a water storage pool and a high water fort, the high water fort is connected with a hydroelectric generator through a pipeline, and the hydroelectric generator is connected to a power grid. The solar panel arrays take advantage of sufficient solar energy at daytime, the direct current motors drive the water pumps to convey water to a high reservoir from a low reservoir, and therefore the solar energy is converted to potential energy of water to be stored; the generator transmits electricity to the power grid. When no solar energy exists, water is drained to the low reservoir from the high water port according to power grid requirements to drive the hydroelectric generator to generate electricity for the power grid.
Description
Technical field
The present invention relates to a kind of solar energy storage device, relate in particular to a kind of distributed solar energy energy-accumulating power station that draws water.
Background technology
For a long time, in order to meet the requirement of electric load, power department has to require to build generating capacity according to peak 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 usually in the brownout of peak of power consumption period.Therefore in the urgent need to economic, reliable, efficient electric energy storing system, match with it.What is more important, electric energy storing system is to restrict at present one of extensive most important bottleneck utilizing of regenerative resource.Main regenerative resource, as wind energy, solar energy, tidal energy etc., is all the batch (-type) energy at present, how to utilize energy storage technology by these batch (-type) energy " splicing ", is to improve the problem that regenerative resource ratio must solve.Meanwhile, electric energy storing system or the key technology of distributed energy resource system.Distributed energy resource system adopts great quantity of small distributed power system to replace the electric power system of conventional large-scale centralized formula, has the advantages such as comprehensive utilization of energy, the high and low pollution of the heat efficiency.But the system failure rate simultaneously causing due to reasons such as circuit, operations can be higher than the electric power system of conventional large-scale centralized formula.And because the capacity of system is less, the fluctuation of system loading also will significantly increase.Therefore, adopting electric energy storing system is the measure that distributed energy resource system must be considered as load equalizer and stand-by power supply.
New forms of energy will meet two conditions simultaneously: the one, contain abundant can be exhausted; The 2nd, safety, clean, can not threaten the mankind and welding.Solar energy, as a kind of clean reproducible new forms of energy, is more and more subject to people's favor, has effect widely in people's life, work, and one of its purposes is converted to electric energy by solar energy exactly.
Be radiated at tellurian solar energy very huge, within about 40 minutes, be radiated at tellurian solar energy, be enough to the consumption for 1 year energy of global human.Can say, solar energy is really inexhaustible, the nexhaustible energy.And solar power generation is definitely clean, does not produce public hazards.So it is the desirable energy that solar power generation is described as.
The weak point of solar energy is: the Energy distribution density of 1. irradiating is little, will take huge area; 2. the same four seasons of the energy that obtain, round the clock and rain or shine etc. meteorological condition is relevant.Make solar power generation really reach realistic scale, the one, improve solar photoelectric conversion efficiency and reduce its cost, the 2nd, realize the same grid network of solar power generation.
For solving the timeliness restriction of solar energy and exporting unsettled problem, the structure of electric energy storing system is particularly important.At present existing electric power energy storage technology comprises the energy storage of drawing water, compressed-air energy storage, storage battery, superconduction magnetic energy, flywheel and electric capacity etc.But due to reasons such as capacity, energy storage cycle, energy density, efficiency for charge-discharge, life-span, operating cost, environmental protection, only draw water two kinds of energy storage and the compressed-air energy storages that in large scale business system, have moved at present.The water-pumping energy-storage system advantages such as maturation, efficiency is high, capacity is large, the energy storage cycle is unrestricted that possess skills are now widely used electric energy storing systems.
Summary of the invention
In order to solve, solar energy is intermittent to be occurred in the present invention, the problem that a large amount of solar energy is not used, a kind of distributed solar energy energy-accumulating power station that draws water is provided, utilize the sufficient solar energy on daytime, by water pump, water is delivered to high-order water fort from closed low-level cistern, thereby the potential energy that converts solar energy into water stores, in the time cannot using solar energy night, water is disposed to low level cistern and drives hydroelectric generator generating from high-order water fort.The utilance of raising solar energy and ageing, becomes not unstable, uncontrollable solar energy according to the electric energy of electrical network peak valley demand, better solves online generating problem.The present invention is solved by following technical proposals:
The distributed solar energy energy-accumulating power station that draws water, comprising: some solar panels, for converting solar energy to electric energy; As everyone knows, what solar panel sent is direct current, described solar panel also connects direct current machine (having saved high, the expensive inverter of failure rate), direct current machine connects water pump, by water pump, be communicated with high-order water tower, described high-order water tower comprises cistern and high-order water fort, and high-order water fort connects hydroelectric generator by pipeline, and hydroelectric generator is connected to electrical network.Solar panel array utilizes the sufficient solar energy on daytime, on the one hand by direct current machine, drives water pump, and water is transported to high-order water fort from low level cistern, thereby the potential energy that converts solar energy into water stores; By generator, to electrical network, transmit electric power on the other hand; When without solar energy, can also water be disposed to according to electrical network demand to low level cistern from high-order water fort and drive hydroelectric generator to grid generation.
For the further improvement of above technical scheme, described solar panel is distributive array to be arranged, and the solar panel of every an array is connected to a direct current machine, and each direct current machine is connected to a water pump.Can arrange according to actual needs in solar panel quantity and position that distributive array is arranged, and guarantee the normal operation of direct current machine and water pump, when each array breaks down, can overhaul separately, do not affect the operation of other arrays.
For the further improvement of above technical scheme, the voltage of described direct current machine is 400-600V.
For the further improvement of above technical scheme, the solar panel power output of every an array be 200KW or more than.
For the further improvement of above technical scheme, described high-order water fort is also connected with the hydraulic turbine.The hydraulic turbine is rotating mechanical energy by the power conversion of current.
For the further improvement of above technical scheme, the described hydraulic turbine and the power transmission shaft of hydroelectric generator are affixed.By the hydraulic turbine, drive hydroelectric generator to generate electricity.
For the further improvement of above technical scheme, described cistern is closed cistern.Closed cistern has anti-freezing and heat-insulating effect, and heat-preserving anti-freezing layer thickness design will guarantee that Chi Shui does not occur to freeze and frost heaving failure according to local climate situation and maximum frozen soil layer Depth determination, thereby guarantees the draw water normal operation of energy-storage system of solar energy.
The invention has the beneficial effects as follows:
Utilize the sufficient solar energy on daytime, by water pump, water is delivered to elevated reservoir from low level reservoir, thereby the potential energy that converts solar energy into water stores, by direct current machine, drive water pump on the one hand, water is transported to elevated reservoir from low level reservoir, thereby the potential energy that converts solar energy into water stores; By generator, to electrical network, transmit electric power on the other hand; When without solar energy, can also water be disposed to low level reservoir from elevated reservoir according to electrical network demand and drive hydroelectric generator to grid generation.Energy-conserving and environment-protective, the energy storage cycle is unrestricted; Effectively improve the utilance of solar energy, stablize the power output of solar power generation; Unit solar panel array breaks down, and can overhaul separately investigation, does not affect the normal operation of power station integral body.
Accompanying drawing explanation
Fig. 1 is overall workflow figure of the present invention;
Fig. 2 is water tower structure schematic diagram of the present invention;
Wherein: 1-closed low-level cistern, 2a-water pump, 2b-water pump, 2c-water pump, 2d-water pump, 3-hydroelectric generator, the high-order water of 4-fort.
Embodiment
The four groups of solar panel arrays of take are below example, with embodiment, the present invention are described in further detail by reference to the accompanying drawings:
Referring to Fig. 1, a kind of distributed solar energy energy-accumulating power station that draws water, comprising: some solar panels, for converting solar energy to electric energy; Described solar panel also connects direct current machine, direct current machine connects water pump, by water pump, is communicated with high-order water tower, and described high-order water tower comprises cistern 1 and the high-order water fort 4 being interconnected, high-order water fort 4 connects hydroelectric generator 3 by pipeline, and hydroelectric generator 3 is connected to electrical network.Described high-order water fort 4 is also connected with the hydraulic turbine.The hydraulic turbine is rotating mechanical energy by the power conversion of current.The power transmission shaft of the described hydraulic turbine and hydroelectric generator 3 is affixed.By the hydraulic turbine, drive hydroelectric generator 3 generatings.Described solar panel is distributive array to be arranged, and the solar panel of every an array is connected to a direct current machine, and each direct current machine is connected to a water pump.In the present embodiment, as shown in Figure 2, by 4 solar panel arrays, connect 4 direct current machines, drive four water pump 2a, 2b, 2c, 2d, respectively by the high-order water of the water suction in cistern 1 fort 4.For making water pump normal operation, the voltage of described direct current machine is 400-600V, therefore, the solar panel power output of every an array be 200KW or more than.Solar panel quantity and position that distributive array is arranged can arrange according to actual needs, and guarantee the normal operation of direct current machine and water pump, when each array breaks down, can overhaul separately, do not affect the operation of other arrays.
The workflow of the embodiment of the present invention as shown in Figure 1, on the one hand drives four water pumps by four direct current machines, and water is transported to high-order water fort 4 from low level cistern 1, thereby the potential energy that converts solar energy into water stores; According to grid power needs, water is disposed to low level cistern 1 from high-order water fort 4, current drive the hydraulic turbine to rotate, and drive hydroelectric generator 3 generatings, for electrical network provides controlled and stable electric power.
For adapting to the needs of various varying environments, cistern 1 of the present invention is closed cistern.Closed cistern has anti-freezing and heat-insulating effect, and heat-preserving anti-freezing layer thickness design will guarantee that Chi Shui does not occur to freeze and frost heaving failure according to local climate situation and maximum frozen soil layer Depth determination, thereby guarantees the draw water normal operation of energy-storage system of solar energy.
Above a kind of distributed solar energy provided by the present invention energy-accumulating power station that draws water is described in detail, for one of ordinary skill in the art, thought according to the embodiment of the present invention, all will change in specific embodiments and applications, for example given just a kind of situation of the present embodiment in accompanying drawing.In sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. the distributed solar energy energy-accumulating power station that draws water, comprising:
Some solar panels, for converting solar energy to electric energy;
It is characterized in that, described solar panel also connects direct current machine, and direct current machine connects water pump, by water pump, be communicated with the closed cistern of low level, the water of low level cistern is delivered to high-order water fort, and high-order water fort connects hydroelectric generator by pipeline, and hydroelectric generator is connected to electrical network.
2. the distributed solar energy according to claim 1 energy-accumulating power station that draws water, it is characterized in that: described solar panel is distributive array and arranges, the solar panel of every an array is connected to a direct current machine, and each direct current machine is connected to a water pump.
3. the distributed solar energy according to claim 2 energy-accumulating power station that draws water, is characterized in that: the voltage of described direct current machine is 400-600V.
4. the distributed solar energy according to claim 2 energy-accumulating power station that draws water, is characterized in that: the solar panel power output of every an array be 200KW or more than.
5. the distributed solar energy according to claim 1 energy-accumulating power station that draws water, is characterized in that: described high-order water fort is also connected with the hydraulic turbine.
6. the distributed solar energy according to claim 5 energy-accumulating power station that draws water, is characterized in that: the described hydraulic turbine and the power transmission shaft of hydroelectric generator are affixed.
7. the distributed solar energy according to claim 1 energy-accumulating power station that draws water, is characterized in that: described cistern is closed cistern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310601141.4A CN103607054A (en) | 2013-11-21 | 2013-11-21 | Distributed solar pumped storage power station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310601141.4A CN103607054A (en) | 2013-11-21 | 2013-11-21 | Distributed solar pumped storage power station |
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| CN103607054A true CN103607054A (en) | 2014-02-26 |
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| CN201310601141.4A Pending CN103607054A (en) | 2013-11-21 | 2013-11-21 | Distributed solar pumped storage power station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992741A (en) * | 2017-03-01 | 2017-07-28 | 河北工业大学 | A kind of solar water supply power coupling system |
| CN109932187A (en) * | 2019-03-22 | 2019-06-25 | 中国航发湖南动力机械研究所 | Utilize the method and system for the power that Aerial weapon equipment test run generates |
| CN117748595A (en) * | 2024-02-19 | 2024-03-22 | 宁波市电力设计院有限公司 | Offshore integrated power supply system based on clean energy |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202586812U (en) * | 2012-03-20 | 2012-12-05 | 浙江同济科技职业学院 | Hydropower and solar energy combined power generation system |
| CN202737483U (en) * | 2012-08-12 | 2013-02-13 | 徐超 | Photovoltaic waterpower peak adjusting system |
| CN202867123U (en) * | 2012-08-31 | 2013-04-10 | 凤冈县黔北新能源有限责任公司 | Solar energy water pump |
-
2013
- 2013-11-21 CN CN201310601141.4A patent/CN103607054A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202586812U (en) * | 2012-03-20 | 2012-12-05 | 浙江同济科技职业学院 | Hydropower and solar energy combined power generation system |
| CN202737483U (en) * | 2012-08-12 | 2013-02-13 | 徐超 | Photovoltaic waterpower peak adjusting system |
| CN202867123U (en) * | 2012-08-31 | 2013-04-10 | 凤冈县黔北新能源有限责任公司 | Solar energy water pump |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992741A (en) * | 2017-03-01 | 2017-07-28 | 河北工业大学 | A kind of solar water supply power coupling system |
| CN109932187A (en) * | 2019-03-22 | 2019-06-25 | 中国航发湖南动力机械研究所 | Utilize the method and system for the power that Aerial weapon equipment test run generates |
| CN117748595A (en) * | 2024-02-19 | 2024-03-22 | 宁波市电力设计院有限公司 | Offshore integrated power supply system based on clean energy |
| CN117748595B (en) * | 2024-02-19 | 2024-05-03 | 宁波市电力设计院有限公司 | Offshore integrated power supply system based on clean energy |
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Application publication date: 20140226 |