CN101330227A - Off-network type combined energy-accumulation wind power generation system as well as operation and configuration method thereof - Google Patents

Off-network type combined energy-accumulation wind power generation system as well as operation and configuration method thereof Download PDF

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Publication number
CN101330227A
CN101330227A CNA200810020849XA CN200810020849A CN101330227A CN 101330227 A CN101330227 A CN 101330227A CN A200810020849X A CNA200810020849X A CN A200810020849XA CN 200810020849 A CN200810020849 A CN 200810020849A CN 101330227 A CN101330227 A CN 101330227A
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China
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energy
power
accumulation
hydrogen
storage battery
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CNA200810020849XA
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Chinese (zh)
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周克亮
程明
卢闻州
王利娜
宋菁
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东南大学
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Priority to CNA200810020849XA priority Critical patent/CN101330227A/en
Publication of CN101330227A publication Critical patent/CN101330227A/en

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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
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
    • 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; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells
    • 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
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

Abstract

The invention provides an off-grid combined energy-storage wind power generation system. The system adopts two or more energy-storage modes with complementary advantages to solve the problems that the wind energy can not meet the load requirements for the users, provides the long-term, stable and continuous power supply only generated by the wind power for the users, and guarantees the zero emission, environmental protection and high utilization ratio of the wind energy. Additionally, based on the optimized operation and configuration proposal, the system has the advantages of good dynamic response, high operational efficiency, low cost, small size and light weight. The system mainly comprises a wind power-generating unit (1), accumulators (2), a hydrogen electrolyzer (3), a hydrogen vessel (4), fuel cells (5), a power converter, a power bus (7), a system monitoring/control device (6) and optionally an energy storage device (8).

Description

From network type combined energy-accumulation wind power generation system and operation and collocation method
Technical field
The present invention be a kind of rely on fully wind energy for the user provide uninterrupted power supply steady in a long-term from net type wind generator system and operation and collocation method, good, the zero discharge, pollution-free of wind energy utilization height, dynamic property of this system, and operational efficiency height, cost are lower, it belongs to the generation of electricity by new energy technical field, device and the technology of particularly utilizing regenerative resource to generate electricity.
Background technology
Along with the enhancing gradually of serious day by day and people's environmental consciousness of energy crisis, the development and use of regenerative resource have become the trend and the focus of the world today.Wind generating technology is that present people grasp the most ripely, one of renewable energy power generation technology of the market competitiveness arranged most.Wherein generally be applied to the solution users' such as place (as remote island, the rural area of dispersion) that conventional electrical network does not cover and wind energy is relatively enriched powerup issue from net type wind generator system.The characteristics of wind power generation are, the wind energy change at random is suddenly big or suddenly small, and the wind energy of wind-powered electricity generation unit is converted to the rapid-result nonlinear change of efficient apparent wind of electric energy, and the energy fluctuation that makes wind generator system send is violent.And user side becomes when for the demand of electric energy also being, and and the electric energy that produces of wind power generation seriously do not match.Must and eliminate the influence of this mismatch by energy storage device buffering from net type wind generator system, when promptly the electric energy that produces at wind power generation was sufficient, electric energy was except meeting consumers' demand, and unnecessary electric energy will be converted to the energy storage of other modes in energy storage device; When wind power generation produces the electric energy deficiency, the energy in the energy storage device will be converted to supply of electrical energy and give the user.Present most wind power system adopts single storage battery as energy storage device.Though but the storage battery efficiency for charge-discharge is higher, the load follow dynamic characteristic is good, but its energy density is low, higher from leakage rate, can't shoulder long-term energy storage buffer effect separately, system can't realize self-government operation (promptly only rely on wind energy and guarantee uninterrupted power supply): if select large-capacity battery for use, then not only cost is high and bulky in system, and because from electric leakage, system still can't power steadily in the long term; If battery capacity is not enough, system or for preventing the battery overdischarge interruption of power supply of having to then, or rush down the discharge of lotus device for preventing that overcharge of a battery from adopting, and waste electric energy, Wind Power Utilization efficient is reduced.For improving conventional reliability, at present normal wind-force-diesel oil mixed power generation or the wind light mutual complementing mixed power generation of adopting from the power supply of net wind power system.Though yet wind-force-diesel oil combined generating system can be realized uninterrupted power supply, adopt diesel power plant can increase system cost, and fuel consume increased operation cost on the one hand, can bring on the other hand and pollute and noise; Because the random fluctuation of wind and solar radiation is all very big,, be not sufficient to guarantee system's uninterrupted power supply though utilize the influence that complementarity between the scene can the relieving system energy fluctuation.And these systems still need use and rush down the lotus device.Therefore, develop the wind energy utilization height, dynamic characteristic is good, self-government operation fully, cost is lower and zero discharge novel from net type wind generator system, is the target of this those skilled in the art's pursuit always.
Summary of the invention
Technical problem: technical problem to be solved by this invention is that proposition is a kind of from network type combined energy-accumulation wind power generation system, by seriously not matching between the customer charge of combined energy-accumulation buffering method elimination instability, the wind energy at intermittence and variation, both cancelled and rushed down the lotus device, do not need to add auxiliary generation devices such as diesel oil again, making the off-grid type wind power electricity generation system rely on wind energy fully for the user provides for a long time, stablizes, continual supply of electric power, is that a kind of wind energy of utilizing realizes self-government operation, zero discharge, pollution-free, system that wind energy utilization is high.At the optimization operation and the allocation plan of this system, make running efficiency of system height, dynamic characteristic good, reduced cost, the volume and weight of system.
Technical scheme: the present invention is achieved in that from network type combined energy-accumulation wind power generation system
This electricity generation system comprises wind turbine generator, storage battery, electrolysis hydrogen device, hydrogen tank, fuel cell, system monitoring system device, power bus, other accumulation of energy modes, first power inverter, second power inverter, the 3rd power inverter, the 4th power inverter, the 5th power inverter, the 6th power inverter; Output termination first power inverter of wind turbine generator wherein, the output of first power inverter connects first power inverter respectively by power bus, second power inverter, the 3rd power inverter, the 4th power inverter, the 5th power inverter, the 3rd power inverter connects storage battery, the 4th power inverter connects other accumulation of energy modes, the 5th power inverter connects the electrolysis hydrogen device, the hydrogen output of electrolysis hydrogen device connects fuel cell by hydrogen tank, fuel cell exports power bus to by the 6th power inverter, the output termination customer charge of second power inverter.The used motor of described wind turbine generator is alternating current machine or direct current machine, and power bus is dc bus or ac bus.The used battery of described storage battery is lead-acid battery or Ni-MH battery or lithium battery etc., and other accumulation of energy modes are super capacitor or superconducting magnetic energy storage or flywheel gear etc.Described hydrogen tank is pressure volume pot or hydride hydrogen-storing cylinder or liquefying hydrogen thermally insulated container etc., and hydrogen tank connects the fuel cell hydrogen supply except being provided with interface, is provided with interface in addition and is used for the usefulness of release hydrogen as fuel.From the operation method of network type combined energy-accumulation wind power generation system, this electricity generation system is according to the pattern work of following operation, and promptly power of arbitrary moment is always as far as possible along the highest path flow of energy transmission efficiency:
1) the wind-powered electricity generation unit sends power P by the output of first power inverter W
2) supervising device detects and obtains power P W, customer charge P LoadWith the charged state of storage battery, determine the power division of device according to following rule:
Work as P W>P LoadThe time, P WTo distribute and P LoadThe power of identical size directly is sent to the user through power bus by second power inverter; If storage battery and or other accumulation of energy mode underfill electricity, then unnecessary power P W-P LoadWith preferentially by the 3rd power inverter be used for storage battery and or be used for the charging of other accumulation of energy modes by the 4th power inverter; If storage battery and or other accumulation of energy modes be full of electricity, then unnecessary power P W-P LoadTo be sent to the electrolysis hydrogen device by the 5th power inverter becomes hydrogen to be stored in the hydrogen tank water electrolysis;
Work as P W<P LoadThe time, P WTo all directly be sent to the user by second power inverter through power bus; If storage battery and or other accumulation of energy mode electric power enough, Bu Zu power P then W-P LoadWill be preferentially by storage battery by the 3rd power inverter and or provide by the discharge of the 4th power inverter by other accumulation of energy modes; If storage battery and or other accumulation of energy mode power shortage, then Bu Zu power P W-P LoadThe P that will utilize the hydrogen gas generation in the hydrogen tank and provide by fuel cell by the 6th power inverter FCReplenish.
Collocation method from network type combined energy-accumulation wind power generation system, accumulation of energy mode is combined forms for the Hydrogen Energy accumulation of energy mode that the accumulation of energy mode that this electricity generation system adopts is formed by storage battery, by electrolysis hydrogen device, hydrogen tank, fuel cell and other, and the battery capacity value is: generally take the family one day power requirement amount to a couple of days of loading; The capacity selected value of hydrogen tank is: generally take the family load power requirement amount of several months to one or two years; The rated power value of electrolysis hydrogen device is smaller or equal to the power-handling capability of wind-powered electricity generation unit; The rated power value of fuel cell is more than or equal to customer charge average power value; Other accumulation of energy modes are used to replace storage battery, or additional as storage battery, and the capacity sum of other accumulation of energy modes and storage battery is generally taken the family one day power requirement amount to a couple of days of loading.This electricity generation system adopts two kinds of accumulation of energy mode combined energy-accumulations: storage battery accumulation of energy mode and the Hydrogen Energy accumulation of energy mode of being made up of electrolysis hydrogen device, hydrogen tank, fuel cell; Or adopt two kinds of accumulation of energy mode combined energy-accumulations in addition: other accumulation of energy modes and the Hydrogen Energy accumulation of energy mode of forming by electrolysis hydrogen device, hydrogen tank, fuel cell; Or adopt multiple accumulation of energy mode combined energy-accumulation: storage battery accumulation of energy mode, Hydrogen Energy accumulation of energy mode and other accumulation of energy modes formed by electrolysis hydrogen device, hydrogen tank, fuel cell.
Beneficial effect: the beneficial effect from net type wind generator system and operation and collocation method provided by the present invention mainly contains:
1, relies on wind power generation fully and provide the supply of electric power of continual long-term stability, and do not need to add devices such as diesel generation, exempted operating costs such as fuel oil and eliminated pollution and the discharging that brings by oil inflame for the user;
2, removed the drain charge device, improved system utilization ratio of wind energy;
3, the operation of combined energy-accumulation mode and collocation method, the system that guaranteed can Complete autonomy operation, the dynamic response that has improved running efficiency of system and bearing power is changed has reduced cost, the volume and weight of overall system.
4, except the supply custom power, also can be used for producing the fuel hydrogen of cleaning, multipurposes such as hydrogen supply energy source and power vehicle, burning heating.
Description of drawings
Fig. 1 is the composition diagram of the present invention from network type combined energy-accumulation wind power generation system,
Fig. 2 is the schematic diagram that adopts from network type combined energy-accumulation wind power generation system,
Wherein have: wind turbine generator 1, storage battery 2, electrolysis hydrogen device 3, hydrogen tank 4 and fuel cell 5, system monitoring device 6, power bus 7, other accumulation of energy mode 8, the first power conversion units 9, second power conversion unit 10, the 3rd power conversion unit 11, the 4th power conversion unit 12, the 5th power conversion unit 13, the 6th power conversion unit 14.
Embodiment
Comprise wind turbine generator 1, storage battery 2, electrolysis hydrogen device 3, hydrogen tank 4, fuel cell 5, system monitoring system device 6, power bus 7, other accumulation of energy modes 8, first power inverter 9, second power inverter 10, the 3rd power inverter 11, the 4th power inverter 12, the 5th power inverter 13, the 6th power inverter 14 from network type combined energy-accumulation wind power generation system; Output termination first power inverter 9 of wind turbine generator 1 wherein, the output of first power inverter 9 connects first power inverter 9 respectively by power bus 7, second power inverter 10, the 3rd power inverter 11, the 4th power inverter 12, the 5th power inverter 13, the 3rd power inverter 11 connects storage battery 2, the 4th power inverter 12 connects other accumulation of energy modes 8, the 5th power inverter 13 connects electrolysis hydrogen device 3, the hydrogen output of electrolysis hydrogen device 3 connects fuel cell 5 by hydrogen tank 4, fuel cell 5 exports the output termination customer charge of power bus 7, the second power inverters 10 to by the 6th power inverter 14.Described wind turbine generator 1 used motor is alternating current machine or direct current machine, and power bus 7 is dc bus or ac bus.Described storage battery 2 used batteries are lead-acid battery or Ni-MH battery or lithium battery etc., and other accumulation of energy modes are super capacitor or superconducting magnetic energy storage or flywheel gear etc.Described hydrogen tank 4 is pressure volume pot or hydride hydrogen-storing cylinder or liquefying hydrogen thermally insulated container etc., and hydrogen tank 4 connects fuel cell 5 hydrogen supplies except being provided with interface, is provided with interface in addition and is used for the usefulness of release hydrogen as fuel.
The operational mode of employing from network type combined energy-accumulation wind power generation system involved in the present invention is as follows: wind generator system shown in Figure 1 has adopted that the accumulation of energy mode of two or more mutual supplement with each other's advantages is combined to have replaced single accumulation of energy mode, promptly low with energy density, efficient is higher, load follow dynamic response faster low capacity storage battery 2 and or other accumulation of energy modes 8 carry out in short-term dynamically accumulation of energy buffering, adopt electrolysis hydrogen device 3 simultaneously, big capacity hydrogen tank 4 and load are followed the slower fuel cell of dynamic response 5 and are produced, storage and utilize the energy density height, easily the hydrogen of long term storage is to carry out long-term accumulation of energy buffering.During this system works, wind turbine generator 1 is with the wind energy converting electrical energy, and electric energy will be sent to user side supply electric power.The electric energy P that sends when the wind-powered electricity generation unit WExceed the user and need P LoadThe time, unnecessary electric energy will be preferentially by the storage battery 2 of low capacity and or other accumulation of energy modes 8 store, storage battery 2 and or other accumulation of energy modes 8 be full of electricity to the higher limit of setting, storage battery 2 and or other accumulation of energy modes 8 stop charging, and unnecessary electric energy will be converted into hydrogen by electrolysis hydrogen device 3 and store in jumbo hydrogen tank 4; And the electric energy P that produces at the system wind power generation WBe lower than the user and need P LoadThe time, with at first by storage battery 2 and or other accumulation of energy modes 8 discharge the deficiency that electric energy is supplied electric energy, at storage battery 2 with or after other accumulation of energy modes 8 are discharged to the bottom line value of setting, fuel cell 5 will be opened the hydrogen in the hydrogen tank 4 is converted to certain power electric energy P FCWith the top-up system electricity shortage, the remaining electric energy momentary fluctuation in the system at this moment is still by storage battery 2 and or other accumulation of energy modes 8 absorption bufferings.Like this by combined short-term and long-term not the matching of just having eliminated fully between wind energy and the customer charge of above two or more accumulation of energy modes, system only relies on wind power generation just can provide continual supply of electric power steady in a long-term to the user, not only cancelled the drain charge device, improved system greatly to utilization ratio of wind energy, and do not need diesel power plant, realized the system zero discharging.Because with P WThe path priority that is sent to the user is followed successively by: user load>storage battery>water electrolysis hydrogen production, and the energy transmission efficiency in these paths order from high to low is followed successively by: user load>storage battery>water electrolysis hydrogen production, be that arbitrary moment power is always tried one's best along the highest path flow of energy transmission efficiency, thereby above-mentioned operational mode is the operational efficiency optimum way.
Collocation method from the combined energy-accumulation of network type combined energy-accumulation wind power generation system is: the storage battery 2 accumulation of energy modes and the jumbo electrolysis hydrogen accumulation of energy mode of low capacity make up.Wherein storage battery 2 is used in short-term dynamically accumulation of energy buffering, and its efficiency for charge-discharge height, that dynamic response is followed in load is very fast, but energy density is low, higher from leakage rate, and its capacity is chosen for a short time, and wind energy P is depended in the selection of amount of capacity WWith customer charge P LoadThe mismatch situation, when mismatch was serious, the capacity of storage battery 2 should be chosen bigger value, on the contrary its capacity should select smallerly, general one day power requirement amount to a couple of days of value customer charge.And the electrolysis hydrogen device 3 in the system, hydrogen tank 4 and fuel cell 5 constitute the long-term lower accumulation of energy buffering method of conversion efficiency, because having, the energy density height of hydrogen, easy long-term storage do not leak, and pressure hydrogen tank cost is low, the capacity of hydrogen tank 4 is chosen greatly, generally should be able to satisfy the power requirement of the customer charge of several months to one or two years, the concrete size of capacity depends on that the wind energy and the unmatched order of severity of user load and user are to size of the demand of hydrogen fuel etc.; Electrolysis hydrogen device 3 is mainly used in and absorbs the power fluctuation that the wind-powered electricity generation unit sends electric energy, the performance number that the general and wind-powered electricity generation unit 1 of its input power grade sends electric energy is complementary, and the input power grade of the big more then electrolysis hydrogen of the power grade of wind-powered electricity generation unit 1 device 3 is chosen greatly more; And the slower fuel cell 5 of load follow dynamic response is mainly used in the deficiency of supplying customer charge, general and the system user load power mean value of its power output grade is complementary, big more then its power output grade of load mean value is chosen greatly more, and vice versa.More than the optimal design and the combination system that makes of such two kinds of accumulation of energy modes can either utilize the fast advantage of storage battery dynamic response to eliminate short-term and instantaneous energy mismatch, can utilize electrolysis hydrogen energy density height, the leak free characteristics of easy long-term storage to store and utilize the long-term energy supply and demand mismatch of jumbo energy elimination for a long time with lower cost and volume etc. again, this has guaranteed that system can move in Complete autonomy, and can reduce cost, the volume and weight of overall system, running efficiency of system is higher.For the violent user of sub-load fluctuation, because the discharge rate of storage battery is limit, system can substitute storage battery 2 with other accumulation of energy modes 8 such as super capacitors, or increase the additional accumulation of energy mode that other accumulation of energy modes 8 such as super capacitor are used as storage battery 2, be used for dynamically accumulation of energy in short-term, its power density height.One day power requirement amount to a couple of days of the general value customer charge of the capacity sum of other accumulation of energy modes 8 and storage battery 2, the application of other accumulation of energy modes 8 have improved the dynamic response speed that system changes bearing power.
Is example with an employing alternating current generator, dc bus and interchange customer charge from network type combined energy-accumulation wind power generation system, its topological structure as shown in Figure 2, system mainly contains with the lower part and forms: the wind turbine generator 1 that adopts alternating current machine, storage battery 2, electrolysis hydrogen device 3, hydrogen tank 4, fuel cell 5, system monitoring system device 6 dc buss 7, AC/DC power conversion unit 8, DC/AC power conversion unit 9, DC/DC Power Conversion.System adopts two kinds of accumulation of energy modes to carry out combined energy-accumulation: the storage battery 2 of low capacity is as the dynamic in short-term accumulation of energy buffering of low capacity, and electrolysis hydrogen device 3, big capacity hydrogen tank 4 and fuel cell 5 are as jumbo long-term accumulation of energy buffering.During this system works, wind turbine generator 1 is with wind energy converting electrical energy P W, electric energy will be sent to dc bus 7.The electric energy that sends when the wind-powered electricity generation unit exceeds the user needs P LoadThe time, unnecessary electric energy stores preferential storage battery 2 by low capacity, be full of electricity to the higher limit of setting at storage battery 2, storage battery 2 stops charging, and unnecessary electric energy will be converted into hydrogen by the electrolysis hydrogen device and store in jumbo hydrogen tank 4; And the electric energy P that produces at the system wind power generation WBe lower than the user and need P LoadThe time, will at first discharge the deficiency that electric energy is supplied electric energy by storage battery 2, be discharged to the bottom line value of setting at storage battery 2 after, open fuel cell 5 hydrogen in the hydrogen tank 4 be converted to certain power electric energy P FCWith the top-up system electricity shortage, the remaining electric energy momentary fluctuation in the system at this moment still absorbs buffering by storage battery 2.The monitoring of above working state of system and the control of power flow direction are realized by system monitoring device 6.By combined short-term and long-term not the matching of just having eliminated fully between wind energy and the customer charge of above two kinds of accumulation of energy modes, system only relies on wind power generation just can provide continual supply of electric power steady in a long-term to the user like this.In system design aspect is set, the capacity of storage battery 2 is chosen lessly, the capacity of hydrogen tank 4 is chosen greatly, the general performance number of sending electric energy with wind-powered electricity generation unit 1 of the power grade of electrolysis hydrogen device 3 is complementary, and the power grade of the power output grade of fuel cell power average value general and that system user is loaded is complementary.The operation of aforesaid way and configuration guaranteed system can Complete autonomy operation, and make the cost of system lower, operational efficiency is high, dynamic response good.
The present invention is in short-term accumulation of energy mode that adopts two or more mutual supplement with each other's advantages in net type wind generator system and the long-term single accumulation of energy mode of the combined replacement of energy storage mode, serious unmatched problem between the user who has eliminated system's instability, wind energy intermittently and variation meets, both cancelled and rushed down the lotus device, do not need to add auxiliary generation devices such as diesel oil again, make the off-grid type wind power electricity generation system rely on wind energy fully for the user provides for a long time, stablizes, continual supply of electric power, and zero discharge, pollution-free, wind energy utilization is high.The optimization operation and the allocation plan of system have been proposed at this system in addition, make that system dynamics responds, the operational efficiency height, cost is low, volume is little, in light weight.

Claims (7)

1. one kind from network type combined energy-accumulation wind power generation system, it is characterized in that this electricity generation system comprises wind turbine generator (1), storage battery (2), electrolysis hydrogen device (3), hydrogen tank (4), fuel cell (5), system monitoring system device (6), power bus (7), other accumulation of energy modes (8), first power inverter (9), second power inverter (10), the 3rd power inverter (11), the 4th power inverter (12), the 5th power inverter (13), the 6th power inverter (14); Output termination first power inverter (9) of wind turbine generator (1) wherein, the output of first power inverter (9) connects first power inverter (9) respectively by power bus (7), second power inverter (10), the 3rd power inverter (11), the 4th power inverter (12), the 5th power inverter (13), the 3rd power inverter (11) connects storage battery (2), the 4th power inverter (12) connects other accumulation of energy modes (8), the 5th power inverter (13) connects electrolysis hydrogen device (3), the hydrogen output of electrolysis hydrogen device (3) connects fuel cell (5) by hydrogen tank (4), fuel cell (5) exports power bus (7) to by the 6th power inverter (14), the output termination customer charge of second power inverter (10).
2. according to claim 1 from network type combined energy-accumulation wind power generation system, it is characterized in that the used motor of described wind turbine generator (1) is alternating current machine or direct current machine, power bus (7) is dc bus or ac bus.
3. according to claim 1 from network type combined energy-accumulation wind power generation system, it is characterized in that the used battery of described storage battery (2) is lead-acid battery or Ni-MH battery or lithium battery etc., other accumulation of energy modes are super capacitor or superconducting magnetic energy storage or flywheel gear etc.
4. according to claim 1 from network type combined energy-accumulation wind power generation system, it is characterized in that described hydrogen tank (4) is pressure volume pot or hydride hydrogen-storing cylinder or liquefying hydrogen thermally insulated container etc., hydrogen tank (4) connects fuel cell (5) hydrogen supply except being provided with interface, is provided with interface in addition and is used for the usefulness of release hydrogen as fuel.
5. one kind is applicable to the operation method from network type combined energy-accumulation wind power generation system, it is characterized in that the pattern work of this electricity generation system according to following operation, and promptly power of arbitrary moment is always as far as possible along the highest path flow of energy transmission efficiency:
1) wind turbine generator (1) is sent power P by the output of first power inverter (9) W
2) system monitoring device (6) detects and obtains power P W, customer charge P LoadAnd the charged state of storage battery (2), determine the power division of device according to following rule:
Work as P W>P LoadThe time, P sTo distribute and P LoadThe power of identical size directly is sent to the user through power bus (7) by second power inverter (10); If storage battery (2) and or other accumulation of energy mode (8) underfill electricity, then unnecessary power P W-P LoadWill be preferentially by second power inverter (10) be used for storage battery (2) and or be used for the charging of other accumulation of energy modes (8) by the 4th power inverter (12); If storage battery (2) and or other accumulation of energy modes (8) be full of electricity, then unnecessary power P W-P LoadTo be sent to electrolysis hydrogen device (3) by the 5th power inverter (13) becomes hydrogen to be stored in the hydrogen tank (4) water electrolysis;
Work as P W<P LoadThe time, P WTo all directly be sent to the user by second power inverter (10) through power bus (7); If storage battery (2) and or other accumulation of energy mode (8) electric power enough, Bu Zu power P then W-P LoadWill be preferentially by storage battery (2) by second power inverter (10) and or discharge by the 4th power inverter (12) by other accumulation of energy modes (8) and to provide; If storage battery (2) and or other accumulation of energy mode (8) power shortage, then Bu Zu power P W-P LoadThe P that will utilize the hydrogen gas generation in the hydrogen tank (4) and provide by fuel cell (5) by the 6th power inverter FCReplenish.
6. one kind is applicable to the collocation method from network type combined energy-accumulation wind power generation system, the accumulation of energy mode that it is characterized in that this electricity generation system employing is by storage battery (2), by Hydrogen Energy accumulation of energy mode and combined the forming of other accumulation of energy modes (8) that electrolysis hydrogen device (3), hydrogen tank (4), fuel cell (5) are formed, and the capacity value is: generally take one day power requirement amount to a couple of days of family load; The capacity selected value of hydrogen tank (4) is: generally take the family load power requirement amount of several months to one or two years; The rated power value of electrolysis hydrogen device (3) is smaller or equal to the power-handling capability of wind-powered electricity generation unit (1); The rated power value of fuel cell (5) is more than or equal to customer charge average power value; Other accumulation of energy modes (8) are used to replace storage battery (2), or additional as storage battery (2), and other accumulation of energy modes (8) are generally taken one day power requirement amount to a couple of days of family load with the capacity sum of storage battery (2).
7. the collocation method from network type combined energy-accumulation wind power generation system according to claim 6 is characterized in that this electricity generation system adopts two kinds of accumulation of energy mode combined energy-accumulations: storage battery (2) accumulation of energy mode and the Hydrogen Energy accumulation of energy mode of being made up of electrolysis hydrogen device (3), hydrogen tank (4), fuel cell (5); Or adopt two kinds of accumulation of energy mode combined energy-accumulations in addition: other accumulation of energy modes (8) and the Hydrogen Energy accumulation of energy mode of forming by electrolysis hydrogen device (3), hydrogen tank (4), fuel cell (5); Or adopt multiple accumulation of energy mode combined energy-accumulation: storage battery (2) accumulation of energy mode, Hydrogen Energy accumulation of energy mode and other accumulation of energy mode (8) the accumulation of energy modes formed by electrolysis hydrogen device (3), hydrogen tank (4), fuel cell (5).
CNA200810020849XA 2008-07-29 2008-07-29 Off-network type combined energy-accumulation wind power generation system as well as operation and configuration method thereof CN101330227A (en)

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CN101971742A (en) * 2010-09-11 2011-02-16 无锡同春新能源科技有限公司 Power device of wind powered generation system applied to electric cotton picking machine
CN101976853A (en) * 2010-11-09 2011-02-16 张建洲 Wind power hydrogen production regulation, control and grid-connection system
CN101971748A (en) * 2010-10-15 2011-02-16 无锡同春新能源科技有限公司 Power device applying wind-hydrogen new energy resource to gardening mower
CN101971743A (en) * 2010-09-15 2011-02-16 无锡同春新能源科技有限公司 Power device applying wind-hydrogen new energy on cotton picking machine
CN102009018A (en) * 2010-12-05 2011-04-13 无锡同春新能源科技有限公司 Power supply device for applying wind and hydrogen new energy technology to water-saving spray irrigation system
CN102100144A (en) * 2010-11-29 2011-06-22 无锡同春新能源科技有限公司 Wind and hydrogen new energy power device applied to rape harvester
WO2011079484A1 (en) * 2009-12-30 2011-07-07 江苏省信息化研究中心 Wind power supply method and system thereof
CN103086445A (en) * 2011-11-08 2013-05-08 江苏风盛海水淡化科技有限公司 Non-grid-connected wind power seawater desalination device
CN103107588A (en) * 2011-11-10 2013-05-15 江苏非并网风电有限公司 Non-grid-tied wind electricity hydrogen production device
CN103296739A (en) * 2013-05-06 2013-09-11 东南大学 Novel power supply system device combining solar photovoltaic and photothermal
CN103427468A (en) * 2013-06-21 2013-12-04 高幼苏 Method and system of utilizing multiple energy sources to prepare hydrogen and supply green energy source
CN104481617A (en) * 2014-11-03 2015-04-01 东南大学 Energy storing device based on redox reaction and energy storing method and generating method thereof
CN105140970A (en) * 2015-08-03 2015-12-09 浙江大学 Topological structure of wind-hydrogen-water-electricity hybrid energy system and control method of wind-hydrogen-water-electricity hybrid energy system
CN105186660A (en) * 2015-08-10 2015-12-23 中国科学院电工研究所 Off-grid type wind power hydrogen production conversion system
CN107017651A (en) * 2017-05-22 2017-08-04 北京鑫海港亿科技有限公司 The hydrogen fuel composite battery and its electricity-generating method of a kind of wind power hydrogen production energy storage
CN107431353A (en) * 2015-12-22 2017-12-01 慧与发展有限责任合伙企业 For the fuel cell of electronic unit energy supply
CN108494012A (en) * 2018-01-31 2018-09-04 浙江工业大学 A kind of meter and the electric regional complex energy resource system method for on-line optimization for turning gas technology

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011079484A1 (en) * 2009-12-30 2011-07-07 江苏省信息化研究中心 Wind power supply method and system thereof
CN101971742A (en) * 2010-09-11 2011-02-16 无锡同春新能源科技有限公司 Power device of wind powered generation system applied to electric cotton picking machine
CN101971743A (en) * 2010-09-15 2011-02-16 无锡同春新能源科技有限公司 Power device applying wind-hydrogen new energy on cotton picking machine
CN101971748A (en) * 2010-10-15 2011-02-16 无锡同春新能源科技有限公司 Power device applying wind-hydrogen new energy resource to gardening mower
CN101976853A (en) * 2010-11-09 2011-02-16 张建洲 Wind power hydrogen production regulation, control and grid-connection system
CN102100144A (en) * 2010-11-29 2011-06-22 无锡同春新能源科技有限公司 Wind and hydrogen new energy power device applied to rape harvester
CN102009018A (en) * 2010-12-05 2011-04-13 无锡同春新能源科技有限公司 Power supply device for applying wind and hydrogen new energy technology to water-saving spray irrigation system
CN103086445A (en) * 2011-11-08 2013-05-08 江苏风盛海水淡化科技有限公司 Non-grid-connected wind power seawater desalination device
CN103107588A (en) * 2011-11-10 2013-05-15 江苏非并网风电有限公司 Non-grid-tied wind electricity hydrogen production device
CN103296739B (en) * 2013-05-06 2015-05-13 东南大学 Combined power supply system device combining solar photovoltaic and photothermal
CN103296739A (en) * 2013-05-06 2013-09-11 东南大学 Novel power supply system device combining solar photovoltaic and photothermal
CN103427468B (en) * 2013-06-21 2016-12-28 高幼苏 A kind of multiple-energy-source is utilized to prepare hydrogen and supply the method and system of green energy resource
CN103427468A (en) * 2013-06-21 2013-12-04 高幼苏 Method and system of utilizing multiple energy sources to prepare hydrogen and supply green energy source
CN104481617B (en) * 2014-11-03 2015-12-02 东南大学 Based on the energy storage device of redox reaction and energy storage method thereof and electricity-generating method
CN104481617A (en) * 2014-11-03 2015-04-01 东南大学 Energy storing device based on redox reaction and energy storing method and generating method thereof
CN105140970A (en) * 2015-08-03 2015-12-09 浙江大学 Topological structure of wind-hydrogen-water-electricity hybrid energy system and control method of wind-hydrogen-water-electricity hybrid energy system
CN105186660A (en) * 2015-08-10 2015-12-23 中国科学院电工研究所 Off-grid type wind power hydrogen production conversion system
CN107431353A (en) * 2015-12-22 2017-12-01 慧与发展有限责任合伙企业 For the fuel cell of electronic unit energy supply
CN107017651A (en) * 2017-05-22 2017-08-04 北京鑫海港亿科技有限公司 The hydrogen fuel composite battery and its electricity-generating method of a kind of wind power hydrogen production energy storage
CN108494012A (en) * 2018-01-31 2018-09-04 浙江工业大学 A kind of meter and the electric regional complex energy resource system method for on-line optimization for turning gas technology
CN108494012B (en) * 2018-01-31 2021-04-06 浙江工业大学 Online optimization method for regional comprehensive energy system considering electricity-to-gas technology

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