CN102116244B - Wind-light supplementary power generating energy storing device - Google Patents
Wind-light supplementary power generating energy storing device Download PDFInfo
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- CN102116244B CN102116244B CN2011100484218A CN201110048421A CN102116244B CN 102116244 B CN102116244 B CN 102116244B CN 2011100484218 A CN2011100484218 A CN 2011100484218A CN 201110048421 A CN201110048421 A CN 201110048421A CN 102116244 B CN102116244 B CN 102116244B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000010248 power generation Methods 0.000 claims abstract description 20
- 230000002441 reversible effect Effects 0.000 claims abstract description 18
- 238000004146 energy storage Methods 0.000 claims abstract description 10
- 238000005086 pumping Methods 0.000 claims abstract 2
- 230000005611 electricity Effects 0.000 claims description 26
- 239000013535 sea water Substances 0.000 claims description 24
- 239000012528 membrane Substances 0.000 claims description 10
- 238000001223 reverse osmosis Methods 0.000 claims description 9
- 238000010612 desalination reaction Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims 1
- 230000000295 complement effect Effects 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000013505 freshwater Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001483 mobilizing effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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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- 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
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Abstract
本发明公开了一种风光互补发电储能装置，包括风力机，光伏列阵、控制器以及蓄电池，所述的风力机、光伏列阵以及蓄电池均与所述的控制器连接，在所述的控制器上还连接有一抽水蓄能发电装置，该抽水蓄能发电装置包括下水库、上水库以及连接该上水库和下水库的管路，在该管路上设置有可逆式水泵水轮机，该可逆式水泵水轮机具有将所述的下水库的水抽取到所述的上水库中的第一工况以及将所述上水库的水下流到下水库用于发电的第二工况。与现有技术相比，本发明利用抽水蓄能代替部分蓄电池进行蓄能，克服了蓄电池寿命短、成本高、有污染等缺点，同时能提高系统的可靠性和稳定性，并且环保。
The invention discloses a wind-solar complementary power generation energy storage device, which includes a wind turbine, a photovoltaic array, a controller and a storage battery. The wind turbine, photovoltaic array and storage battery are all connected to the controller. The controller is also connected with a pumped storage power generation device, the pumped storage power generation device includes a lower reservoir, an upper reservoir and a pipeline connecting the upper reservoir and the lower reservoir, a reversible water pump turbine is arranged on the pipeline, and the reversible The water pump turbine has a first working condition of pumping water from the lower reservoir to the upper reservoir and a second working condition of flowing water from the upper reservoir to the lower reservoir for power generation. Compared with the prior art, the present invention uses pumped energy storage instead of some batteries for energy storage, which overcomes the disadvantages of short battery life, high cost, pollution, etc., improves the reliability and stability of the system, and is environmentally friendly.
Description
Technical field
The present invention relates to technical fields such as wind light mutual complementing technology, wind generating technology, solar energy generation technology, pumped storage technology, desalination technology, high efficiency smart control technique, specifically is the complementary electricity generating device that combines with pumped storage of a kind of wind-power electricity generation and solar electrical energy generation.
Background technique
On a lot of remote islands of China; Electrical network is difficult to arrive, and most of areas adopts diesel power generation, along with the shortage of oil and the rise of oil price; Cost of electricity-generating rapidly goes up, the daily life that electric energy in short supply serious restricted these regional economic developments and resident or garrisoned.And often there is abundant renewable energy sources in these areas, like solar energy, wind energy etc., for solving electricity consumption from far-off regions good genetic prerequisite are provided.To these situation, present island adopts wind-light complementary system to supply power more.
Wind-light complementary system mainly partly is made up of wind power generating set, solar-energy photo-voltaic cell group, controller, storage battery, inverter, AC/DC load etc., and system construction drawing is seen accompanying drawing 1.1. wind-power electricity generation partly is to utilize wind energy conversion system to convert wind energy into mechanical energy, converts mechanical energy into electric energy through wind-driven generator, passes through controller again to charge in batteries, and the process inverter is to electric; 2. photovoltaic generation partly utilizes the photovoltaic effect of solar panel that transform light energy is electric energy, then to charge in batteries, converts direct current into Ac through inverter load is supplied power; 3. inversion system is made up of one or several inverters, becomes the 220V Ac of standard to the direct current in the storage battery, guarantees the normal use of AC load equipment.Also have the automatic voltage regulation function simultaneously, can improve the power supply quality of wind and solar hybrid generating system; 4. control section is according to the variation of intensity of sunshine, wind-force size and load, constantly the working state of battery pack switched and regulated: one side directly is sent to direct current or AC load to adjusted electric energy.Be sent to the battery pack storage to unnecessary electric energy on the other hand.When generated energy can not satisfy need of load, controller was sent to load to the electric energy of storage battery, had guaranteed the continuity and the stability of whole system work; 5. the storage battery part is made up of the polylith storage battery, in system, plays energy adjustment and balanced load two simultaneously and acts on greatly.It is converted into chemical energy with the electric energy of wind-power generating system and photovoltaic generating system output and stores, and uses during in order to electricity shortage.In present wind-light complementary system, generally adopt the storage battery accumulation of energy, but the life of storage battery is short, cost is high, pollution is arranged, and store electrical energy in a large number.
Summary of the invention
Technical problem:Technical problem to be solved by this invention is the deficiency to above-mentioned existing technology, and provides a kind of ability permanent storage more macro-energy and free of contamination wind light mutual complementing power generation energy storage device.
Technological scheme:For solving the problems of the technologies described above; The technological scheme that the present invention adopts is: a kind of wind light mutual complementing power generation energy storage device; Comprise wind energy conversion system; Photovoltaic array, controller and storage battery; Described wind energy conversion system, photovoltaic array and storage battery all are connected with described controller, it is characterized in that: on described controller, also be connected with a pumped-storage power generation device, this pumped-storage power generation device comprises lower storage reservoir, upper storage reservoir and the pipeline that connects this upper storage reservoir and lower storage reservoir; This pipeline is provided with Reversible Pump-Turbine, and this Reversible Pump-Turbine has water with described lower storage reservoir and is drawn into first operating mode in the described upper storage reservoir and said upper storage reservoir flow to second operating mode that lower storage reservoir is used to generate electricity under water.
On described controller, also be connected with sea water desalinating unit; This sea water desalinating unit comprises: water tank, feed water pump, more medium filter, security personnel's filter, high-pressure service pump, reverse osmosis membrane assembly, product water tank and pipeline; Water tank, more medium filter, security personnel's filter, reverse osmosis membrane assembly, product water tank are connected through described pipeline successively; Described feed water pump one end is connected with water tank; The other end is connected with described more medium filter, and described high-pressure service pump is arranged on the seawater side of described reverse osmosis membrane assembly.
Pumped storage system of the present invention is store electrical energy in a large number; And startup rapidly, climbing off-load speed is fast, flexible operation is reliable; Can peak clipping can fill out paddy again; The flexibility of its fast transition can remedy the randomness and the nonuniformity of wind-power electricity generation and solar electrical energy generation, for system provides more peak-clipping and valley-filling capacity and frequency modulation, phase modulation, emergency episode standby power supply etc., has advantages such as the reliable and environmental protection of energy production simultaneously.Therefore, the present invention combines pumped storage dexterously with wind-light complementary system, can replace storage battery that whole system is carried out energy storage on the one hand, has also improved the stability of whole system on the other hand.Still be equipped with the storage battery of small capacity in the system, be used for bearing transient peak loading, increased the stability of system.Simultaneously, to the problem that lacks fresh water in the island, this systems incorporate sea water desalinating unit, a load as this system has solved the problem of island with fresh water effectively.
The present invention carries out complemental power-generation with wind energy and solar energy effectively, has remedied the intermittence and the unstability of wind energy and solar energy.Simultaneously; Pumped storage power station is combined with wind-power electricity generation and solar electrical energy generation; When the wind-powered electricity generation in system and solar electrical energy generation are supplied with load unnecessary electric energy are arranged; Utilize the pump operating condition of Reversible Pump-Turbine to draw water, the water of lower storage reservoir is extracted into upper storage reservoir, unnecessary electric energy is become water can store; When wind-powered electricity generation and solar electrical energy generation supply load electric energy deficiency; Utilize the water turbine operating mode of Reversible Pump-Turbine to generate electricity; Water can be become electric energy, supply with the load electricity consumption, wind-power electricity generation and solar electrical energy generation and pumped storage power station are combined; Store electrical energy in a large number, and improved the stability of system.With the part of sea water desalinating unit, can fresh water be provided to the resident as system load.
Beneficial effect:To problems such as remote island conventional energy resource scarcity, shortage electric energy and fresh water, utilize apparatus of the present invention, can not only effectively utilize local abundant wind energy and solar energy resources, solve local electric energy problem in short supply, and can fresh water be provided for the local resident.Native system is stable, environmental protection, and operating cost is low.
Description of drawings
Fig. 1 is existing wind-light complementary system structural drawing.
Fig. 2 is a pumped storage device schematic representation of the present invention.
Fig. 3 is sea water desalinating unit figure of the present invention.
Fig. 4 is apparatus of the present invention connection diagrams.
Embodiment
Pumped storage power station comprises Reversible Pump-Turbine (two operating modes being arranged, pump operating condition and water turbine operating mode), upper storage reservoir, lower storage reservoir, and its schematic representation is shown in accompanying drawing 2.In the load valley phase, Reversible Pump-Turbine operates in pump operating condition, utilizes unnecessary electric energy that the water of lower storage reservoir is extracted into upper storage reservoir, and electric energy is become water can store; At load boom period, Reversible Pump-Turbine operates in the water turbine operating mode, and the level difference generation of lower storage reservoir in the utilization can become water into electric energy.
Reverse osmosis membrane is adopted in desalination of sea water, and its installation drawing is shown in accompanying drawing 3.Device is made up of water intake system, feed water pump, more medium filter, security personnel's filter, high-pressure service pump, reverse osmosis membrane assembly, energy recycle device, product water tank and pipeline.Utilize water intake system to extract seawater, utilize feed water pump that seawater is delivered to filter, after more medium filter and security personnel's filter filter; Give reverse osmosis membrane assembly, utilize the pressure of high-pressure service pump increase seawater side, be pressed onto the water molecule in the seawater opposite side of permeable membrane; Produce fresh water, deliver to the product water tank, wherein; Energy recycle device can effectively reclaim the energy in the desalting process, reaches energy-saving effect.Utilize this device can desalinating sea water into fresh water be can be used for domestic water.
Working principle:Apparatus of the present invention are as shown in Figure 4.This device comprises the connection set between wind energy conversion system, solar energy photovoltaic array, Reversible Pump-Turbine, upper storage reservoir, lower storage reservoir, sea water desalinating unit, controller, inverter, AC load, DC load and the said equipment.Wind energy conversion system becomes wind energy into electric energy.The solar energy photovoltaic array becomes solar energy into electric energy.Reversible Pump-Turbine has two operating modes, water turbine operating mode and pump operating condition: operate in the water turbine operating mode water-head that goes up lower storage reservoir capable of using and generate electricity, water can be become electric energy; Operating in pump operating condition can draw water, and the water of lower storage reservoir is extracted into upper storage reservoir, and electric energy is become water can be held, and can carry out the conversion between the operating mode through controller.Sea water desalinating unit can be with desalinating sea water into fresh water.Inverter becomes direct current into Ac, supplies with AC load.Controller can be controlled the inclination angle of the running state of wind energy conversion system, solar energy photovoltaic array, charging and discharging of accumulator, the operating mode of Reversible Pump-Turbine, the state of sea water desalinating unit.AC load and DC load can be configured according to user's needs, like electric light, TV, sound equipment, refrigerator, water heater etc.Data acquistion system is gathered each equipment running and parameter in the system, to mobilizing system data is provided.
Controller is supplied with DC load according to the inclination angle of wind speed and solar radiation control wind energy conversion system running state and photovoltaic array with electric energy, through inverter direct current is become Ac and supplies with AC load, supplies with the sea water desalinating unit electricity consumption simultaneously.Controller is according to the comparison between wind-power electricity generation amount and solar electrical energy generation amount sum and the load (comprising DC load, AC load and sea water desalinating unit); Judge whether electric weight can satisfy the load needs, if satisfy and unnecessary electric energy is arranged, then controller is judged the state of storage battery; If storage battery is in under-voltage condition; Then charge a battery, if when storage battery is full of electricity, wind energy conversion system and photovoltaic array electricity can still have residue; The Reversible Pump-Turbine of then controlling pumped storage power station operates in pump operating condition and draws water, and the water of lower storage reservoir is extracted into upper storage reservoir; If wind-power electricity generation amount and solar electrical energy generation amount can not satisfy the load needs, the Reversible Pump-Turbine of then controlling pumped storage power station operates in the water turbine operating mode and generates electricity, and supplies with load.
The present invention adopts three big advantages of pumped storage device: the one, and energy storage, the unnecessary electrical power storage that is about to wind-powered electricity generation and solar electrical energy generation is got up; The 2nd, peak regulation promptly according to the load variations situation, is adjusted the Hydropower Unit frequency in advance, and system is carried out peak regulation; The 3rd, frequency modulation promptly according to the variation of system frequency, when the normal range (NR) of system frequency overshoot, increases or reduces exerting oneself of Hydropower Unit, thereby reach new balance, the change of frequency of system is limited in certain scope, thereby maintenance system is stable.The function of energy storage can make full use of wind energy resources and solar energy resources; Peak regulation and frequency modulation have utilized Hydropower Unit start and stop characteristics rapidly.
The present invention improves on the basis of original wind-light complementary system, replaces storage battery with pumped storage power station, has increased the electric power storage ability on the one hand, has also increased the stability of system on the other hand; In system, dispose sea water desalinating unit, make system can not only satisfy islander's electricity consumption, and fresh water can be provided; Simultaneously, the present invention can utilize island abundant wind energy and solar energy this two kinds of renewable energy sourcess and clean energy resource, has not only practiced thrift conventional energy resource, and changes and protect.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100484218A CN102116244B (en) | 2011-03-01 | 2011-03-01 | Wind-light supplementary power generating energy storing device |
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| CN2011100484218A CN102116244B (en) | 2011-03-01 | 2011-03-01 | Wind-light supplementary power generating energy storing device |
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| CN102116244A CN102116244A (en) | 2011-07-06 |
| CN102116244B true CN102116244B (en) | 2012-07-25 |
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| CN102116244A (en) | 2011-07-06 |
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