CN201972859U - Wind-solar hybrid power generation and energy storage device - Google Patents

Wind-solar hybrid power generation and energy storage device Download PDF

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Publication number
CN201972859U
CN201972859U CN2011200505065U CN201120050506U CN201972859U CN 201972859 U CN201972859 U CN 201972859U CN 2011200505065 U CN2011200505065 U CN 2011200505065U CN 201120050506 U CN201120050506 U CN 201120050506U CN 201972859 U CN201972859 U CN 201972859U
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CN
China
Prior art keywords
wind
power generation
described
water
storage
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CN2011200505065U
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Chinese (zh)
Inventor
任岩
郑源
李正勇
陈德新
李延频
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河海大学
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy
    • Y02E10/22Conventional, e.g. with dams, turbines and waterwheels
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • Y02E10/725Generator or configuration
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage
    • Y02E60/17Pumped storage
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy
    • Y02P80/156Efficient use of energy in fluid distribution systems
    • Y02P80/158Solar or wind-powered water pumping not specially adapted for irrigation

Abstract

The utility model discloses a wind-solar hybrid power generation and energy storage device. The device comprises a wind turbine, a photovoltaic array, a controller and a storage battery, wherein the wind turbine, the photovoltaic array and the storage battery are all connected with the controller; a pumped-storage power generation device is further connected to the controller; the pumped-storage power generation device comprises a lower reservoir, an upper reservoir, and a pipeline connecting the upper reservoir and the lower reservoir; a reversible pump turbine is arranged on the pipeline; and the reversible pump turbine is provided with a first working condition of pumping water of the lower reservoir to the upper reservoir, and a second working condition of moving the water of the upper reservoir down to the lower reservoir to be used for generating power. Compared with the prior art, the device utilizes the pumped-storage power generation device to replace part of the storage battery to store energy, thereby correcting the deficiencies of short service life, high cost, pollution, and the like of the storage battery, simultaneously improving the reliability and the stability of the system, and protecting the environment.

Description

The wind light mutual complementing power generation energy storage device

Technical field

The utility model 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 diesel power generation is adopted in most of area, 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, as solar energy, wind energy etc., provide good genetic prerequisite for solving electricity consumption from far-off regions.At these situations, present island adopts wind-light complementary system to 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 that wind energy is converted to mechanical energy, by wind-driven generator mechanical energy is converted to electric energy, again by controller to charge in batteries, through inverter 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, by inverter direct current is converted to Ac load is powered; 3. inversion system is made up of one or several inverters, and the direct current in the storage battery is become the 220V Ac of standard, 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.On the other hand unnecessary electric energy is sent to the battery pack storage.When generated energy can not satisfy the load needs, 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, plays energy adjustment and balanced load two simultaneously and act on greatly in system.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 in the utility model is at above-mentioned the deficiencies in the prior art, and provides a kind of energy 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 technical solution adopted in the utility model is: a kind of wind light mutual complementing power generation energy storage device, comprise wind energy conversion system, the 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 described 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 successively by described pipeline, 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.

The utility model pumped storage system 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., have advantages such as the reliable and environmental protection of energy production simultaneously.Therefore, the utility model 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, at the problem that lacks fresh water in the island, this system combines sea water desalinating unit, as a load of this system, has solved the problem of island with fresh water effectively.

The utility model 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, and 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 provide fresh water to the resident as system load.

Beneficial effect:At problems such as remote island conventional energy resource scarcity, shortage electric energy and fresh water, utilize the utility model device, can not only effectively utilize local abundant wind energy and solar energy resources, solve local electric energy problem in short supply, and can provide fresh water 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 the utility model pumped storage device schematic representation.

Fig. 3 is the utility model sea water desalinating unit figure.

Fig. 4 is the utility model device connection diagram.

Among the figure, 1-wind-driven generator, 2-photovoltaic array, 3-storage battery, 4-controller, 5-inverter, 6-DC load, 7-AC load, 8-upper storage reservoir, 9-surge-chamber, 10-pipeline, 11-Reversible Pump-Turbine, 12-lower storage reservoir, 13-pumping operation mode, 14-generating operation mode, 15-water intake system, 16-feed water pump, 17-more medium filter, 18-security personnel filter, 19-high-pressure service pump, 20-energy recycle device, 21-reverse osmosis membrane assembly, 22-product water tank, 23-sea water desalinating unit.

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 as shown in Figure 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 as shown in Figure 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 the filtration of security personnel's filter, give reverse osmosis membrane assembly, utilize high-pressure service pump to increase the pressure of seawater side, water molecule in the seawater is pressed onto the 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 desalinating sea water into fresh water can be can be used for domestic water.

Working principle:The utility model device 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 and can utilize the water-head of lower storage reservoir to 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 conversion between the operating mode by 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, as electric light, TV, sound equipment, refrigerator, water heater etc.Data acquistion system is gathered each equipment running status and parameter in the system, provides data to mobilizing system.

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, by inverter direct current is become Ac and supplies with AC load, supplies with the sea water desalinating unit electricity consumption simultaneously.Controller (comprises DC load according to wind-power electricity generation amount and solar electrical energy generation amount sum and load, AC load and sea water desalinating unit) between comparison, judge whether electric weight can satisfy the load needs, if satisfy and unnecessary electric energy 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 utility model 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 frequency change 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 utility model 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 utility model can utilize island abundant wind energy and solar energy this two kinds of renewable energy sourcess and clean energy resource, has not only saved conventional energy resource, and changes and protect.

Claims (2)

1. wind light mutual complementing power generation energy storage device, comprise wind energy conversion system, the 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 described upper storage reservoir flow to second operating mode that lower storage reservoir is used to generate electricity under water.
2. wind light mutual complementing power generation energy storage device according to claim 1, it is characterized in that: 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, produce water tank and pipeline, water tank, more medium filter, security personnel's filter, reverse osmosis membrane assembly, producing water tank connects successively by described pipeline, 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.
CN2011200505065U 2011-03-01 2011-03-01 Wind-solar hybrid power generation and energy storage device CN201972859U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102116244A (en) * 2011-03-01 2011-07-06 河海大学 Wind-light supplementary power generating energy storing device
CN102384039A (en) * 2011-09-28 2012-03-21 东北大学 Mixed wind-light compensation water pumping and energy storing system and control method thereof
CN102588194A (en) * 2012-03-13 2012-07-18 东华大学 Method for proportioning fluctuation electric energy and water pump in random fluctuation energy source water-pumping energy-storing system
ES2423079R1 (en) * 2011-11-08 2013-12-16 Univ La Rioja Micro hydroelectric energy generation device for buildings and energy efficiency procedure
CN104081046A (en) * 2012-03-19 2014-10-01 株式会社协和工程顾问 Wind power generation system
CN106194690A (en) * 2016-08-30 2016-12-07 阳光电源股份有限公司 Control device, current transformer, photovoltaic water pump system and control method thereof
CN107162246A (en) * 2017-07-07 2017-09-15 河海大学 Small-sized island wind energy pumping accumulation of energy sea water desalinating unit
GR20160100320A (en) * 2016-06-10 2018-03-09 Εστια Συμβουλοι Και Μηχανικοι Α.Ε. Photovoltaic station for adjustable energy output generation
CN108979939A (en) * 2018-06-12 2018-12-11 张汀荃 A kind of Collaboration system and method for wind-power electricity generation and pumped-storage power generation and waterpower supply

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102116244A (en) * 2011-03-01 2011-07-06 河海大学 Wind-light supplementary power generating energy storing device
CN102116244B (en) * 2011-03-01 2012-07-25 河海大学 Wind-light supplementary power generating energy storing device
CN102384039B (en) * 2011-09-28 2013-02-13 东北大学 Mixed wind-light compensation water pumping and energy storing system and control method thereof
CN102384039A (en) * 2011-09-28 2012-03-21 东北大学 Mixed wind-light compensation water pumping and energy storing system and control method thereof
ES2423079R1 (en) * 2011-11-08 2013-12-16 Univ La Rioja Micro hydroelectric energy generation device for buildings and energy efficiency procedure
CN102588194A (en) * 2012-03-13 2012-07-18 东华大学 Method for proportioning fluctuation electric energy and water pump in random fluctuation energy source water-pumping energy-storing system
EP2818700A4 (en) * 2012-03-19 2015-04-15 Kyowa Engineering Consultants Co Ltd Wind power generation system
CN104081046A (en) * 2012-03-19 2014-10-01 株式会社协和工程顾问 Wind power generation system
EP2818700A1 (en) * 2012-03-19 2014-12-31 Kyowa Engineering Consultants Co., Ltd. Wind power generation system
GR20160100320A (en) * 2016-06-10 2018-03-09 Εστια Συμβουλοι Και Μηχανικοι Α.Ε. Photovoltaic station for adjustable energy output generation
CN106194690A (en) * 2016-08-30 2016-12-07 阳光电源股份有限公司 Control device, current transformer, photovoltaic water pump system and control method thereof
CN106194690B (en) * 2016-08-30 2018-12-28 阳光电源股份有限公司 Control device, current transformer, photovoltaic water pump system and its control method
CN107162246A (en) * 2017-07-07 2017-09-15 河海大学 Small-sized island wind energy pumping accumulation of energy sea water desalinating unit
CN108979939A (en) * 2018-06-12 2018-12-11 张汀荃 A kind of Collaboration system and method for wind-power electricity generation and pumped-storage power generation and waterpower supply

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