CN102290849A - Power-supply system and control device thereof - Google Patents
Power-supply system and control device thereof Download PDFInfo
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- CN102290849A CN102290849A CN201110247984XA CN201110247984A CN102290849A CN 102290849 A CN102290849 A CN 102290849A CN 201110247984X A CN201110247984X A CN 201110247984XA CN 201110247984 A CN201110247984 A CN 201110247984A CN 102290849 A CN102290849 A CN 102290849A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/10—Applications of fuel cells in buildings
Abstract
The invention provides a power-supply system and a control device thereof. The control device of the power-supply system comprises a first converter and a second converter, wherein the first converter is connected with a power generating module and is used for converting direct currents generated by the power generating module into alternating currents and then outputting the alternating currents, and the second converter is connected between an energy storage battery and the power generating module and is used for converting direct currents generated by the energy storage battery into currents needed for starting and stopping the power generating module; and the power-supply system comprises the power generating module and the energy storage battery, wherein the power generating module is used for generating electrical energy and comprises a fuel battery module and a vanadium battery module, and the energy storage battery is used for supplying electricity energy needed for starting and stopping to the power generating module. According to the invention, the application range of the vanadium battery module can be widened.
Description
Technical field
The present invention relates to new energy field, in particular to a kind of electric power system and control device thereof.
Background technology
Vanadium redox battery is a kind of eco-friendly novel energy-storing system and energy conversion device efficiently, have that scale is big, the life-span is long, cost is low, efficient is high and eco-friendly characteristics, the large-scale electric energy that vanadium cell can be used as in the electricity generation system stores and the use of effective conversion equipment, can play the peak load shifting and the balanced load of electrical network, play and improve the effect that electric energy is supplied with quality and power station operation stability.Vanadium cell is respectively with vanadium ion V2+/V3+ and the V4+/V5+ both positive and negative polarity oxidation-reduction pair as battery, both positive and negative polarity electrolyte is stored in respectively in two fluid reservoirs, drive active electrolyte by acidproof liquor pump and be back to again to reacting environment's (battery pile) and form the circulating fluid loop in the fluid reservoir, to realize charge and discharge process.Because vanadium cell in use needs charging, when using separately, its continuous power-on time is limited, can not satisfy for a long time continuous need for electricity of external load, thereby limit its scope of application.
At the limited problem of the vanadium cell scope of application in the correlation technique, effective solution is not proposed as yet at present.
Summary of the invention
Main purpose of the present invention is to provide a kind of electric power system and control device thereof, to solve the limited problem of the vanadium cell scope of application.
To achieve these goals, according to an aspect of the present invention, provide a kind of control device of electric power system.
Control device according to electric power system of the present invention comprises: first transducer, be connected with electricity generation module, and export after being used for the direct current that electricity generation module produces is converted to alternating current; And second transducer, be connected between energy-storage battery and the electricity generation module, be used for that the direct current that energy-storage battery produces is converted to that electricity generation module starts and required electric current when shutting down, wherein, electric power system comprises: electricity generation module, be used to produce electric energy, and comprise fuel cell module and vanadium cell module; And energy-storage battery, be used for startup being provided and shutting down required electric energy to electricity generation module.
Required direct current when further, second transducer is used for that also the direct current that electricity generation module produces is converted to the energy-storage battery charging.
Further, also comprise according to the control device of electric power system of the present invention: the 3rd transducer, be connected with energy-storage battery, after being converted to alternating current, exports the direct current that is used for when electricity generation module produces fault energy-storage battery being produced.
Further, the 3rd transducer also is used for when the external load of electric power system changes, and exports after the direct current that energy-storage battery is produced is converted to alternating current; And energy-storage battery also is used for when the external load of electric power system changes, as the energy snubber of electricity generation module in the response time.
Further, also comprise according to the control device of electric power system of the present invention: the 4th transducer, be connected with external power supply, be used for the electric energy that the output external power supply produces when electricity generation module maintenance, maintenance, shutdown or fault.
Further, also comprise according to the control device of electric power system of the present invention: the 5th transducer is connected between external power supply and the energy-storage battery required direct current when being used for that the alternating current that external power supply produces is converted to the energy-storage battery charging.
Further, also comprise according to the control device of electric power system of the present invention: the 6th transducer is connected between external power supply and the vanadium cell module required direct current when being used for that the alternating current that external power supply produces is converted to the charging of vanadium cell module.
Further, also comprise according to the control device of electric power system of the present invention: the 7th transducer is connected between fuel cell module and the vanadium cell module required direct current when being used for that the direct current that fuel cell module produces is converted to the charging of vanadium cell module.
To achieve these goals, according to an aspect of the present invention, provide a kind of electric power system.
Electric power system according to the present invention comprises: electricity generation module, be used to produce electric energy, and comprise fuel cell module and vanadium cell module; Energy-storage battery is used for startup being provided and shutting down required electric energy to electricity generation module; And the control device of any one electric power system provided by the invention.
Further, energy-storage battery is following any one or multiple battery: lead-acid battery, lithium battery, Ni-MH battery, nickel-cadmium cell and super capacitor.
Further, electricity generation module also comprises following any one or multiple module: solar power generation module, wind power generation module, tidal power generation module, sodium-sulphur battery module, internal combustion engine electricity generation module and super-capacitor module.
By the present invention, adopt the control device comprise with the electric power system of lower part: first transducer, be connected with electricity generation module, export after being used for the direct current that electricity generation module produces is converted to alternating current; And second transducer, be connected between energy-storage battery and the electricity generation module, be used for that the direct current that energy-storage battery produces is converted to that electricity generation module starts and required electric current when shutting down, wherein, electric power system comprises: electricity generation module, be used to produce electric energy, and comprise fuel cell module and vanadium cell module; And energy-storage battery, be used for startup being provided and shutting down required electric energy to electricity generation module, solve vanadium cell and used limited problem, and then reached the effect of the range of application of widening the vanadium cell module.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the vanadium cell system of correlation technique;
Fig. 2 is the schematic diagram according to the fuel cell system of correlation technique;
Fig. 3 is the block diagram according to the electric power system of first embodiment of the invention;
Fig. 4 is the block diagram according to the electric power system of second embodiment of the invention;
Fig. 5 is the block diagram according to the control device of the electric power system of first embodiment of the invention;
Fig. 6 is the block diagram according to the control device of the electric power system of second embodiment of the invention;
Fig. 7 is the block diagram according to the control device of the electric power system of third embodiment of the invention; And
Fig. 8 is the block diagram according to the control device of the electric power system of fourth embodiment of the invention.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Be the clear embodiments of the present invention of describing, at first introduce the vanadium cell system and the fuel cell system of prior art.
Fig. 1 is the schematic diagram according to the vanadium cell system of correlation technique, as shown in Figure 1, pipeline 4, liquor pump 5 and the electrolyte that pipeline 2, electrolysis liquid pool 3, the electrolyte that the vanadium cell system flows out battery pile 1 by battery pile 1, electrolyte flows out electrolyte pond 3 flows into the pipeline 6 of battery pile 1 and forms the circulate electrolyte loops, realizes charge and discharge process.
Fig. 2 is the schematic diagram according to the fuel cell system of correlation technique, as shown in Figure 2, fuel cell system comprises that natural gas inserts passage 7, water inserts passage 8, air inserts passage 9, fuel reformer 10 is (if input fuel is hydrogen, then do not need to use reformer), fuel is to the input channel 11 of fuel cell pack 12, fuel exhaust gas and steam etc. are to the input channel 13 of fuel reformer 10, and electric current is to the incoming line 14 of power-supply management system 15, and electric current is to terminal use's outlet line 16, heat is to the incoming line 17 of heat management system 18, and heat is to terminal use's outlet line 19.
The embodiment of electric power system of the present invention is described below.
Fig. 3 is the block diagram according to the electric power system of first embodiment of the invention, and as shown in Figure 3, this electric power system comprises: electricity generation module 30, be used to produce electric energy, and comprise fuel cell module 31 and vanadium cell module 33; Energy-storage battery 50 is used for startup being provided and shutting down required electric energy to electricity generation module 30; And the control device 70 of electric power system provided by the invention.
Wherein, 50 of energy-storage batteries can provide the DC power supply energy should be able to satisfy fuel cell at least or/and the driven of relevant appurtenances of vanadium cell and system.Energy-storage battery 50 can and be not limited only to: lead-acid battery, lithium battery, Ni-MH battery, nickel-cadmium cell, super capacitor etc.
In this embodiment, forming electricity generation module 30 by fuel cell module 31 and vanadium cell module 33 powers to the terminal use, the electric energy that produces by electricity generation module in 70 pairs of electric power systems of unified control device 30 manages, when 33 power supplies of vanadium cell module can not be satisfied user's continuous power demands, because fuel cell module 31 can continue to power to the terminal use in the electric power system, widened the range of application of vanadium cell module 33, can be stable for the user provides the high-quality electric energy, make whole system have economy and practicality.
Fig. 4 is the block diagram according to the electric power system of second embodiment of the invention, as shown in Figure 4, this electric power system comprises: the control device 70 of fuel cell module 31, vanadium cell module 33, energy-storage battery 50, electric power system, electricity generation module 30 also comprises other electricity generation modules 35, and other electricity generation modules can be following any one or multiple module: solar power generation module, wind power generation module, tidal power generation module, sodium-sulphur battery module, internal combustion engine electricity generation module and super-capacitor module etc.
In this embodiment, fuel cell module 31, vanadium cell module 33 and other multiple electricity generation module are powered to the terminal use after control device 70 unified managements of electric power system, select suitable electricity generation module according to actual geographical environment and customer requirements, economic environmental protection, can be more stable for the user provides the high-quality electric energy, make whole system have better economy and practicality.
The embodiment of the control device of electric power system of the present invention is described below.
Fig. 5 is the block diagram according to the control device of the electric power system of first embodiment of the invention, as shown in Figure 5, the control device 70 of electric power system comprises: first transducer 71, as the DC/AC transducer, be connected with electricity generation module 30, wherein, electricity generation module 30 comprises fuel cell module 31 and vanadium cell module 33, exports after being used for the direct current that electricity generation module 30 produces is converted to alternating current; And second transducer 72, be connected between energy-storage battery 50 and the electricity generation module 30, be used for that the direct current that energy-storage battery 50 produces is converted to that electricity generation module 30 starts and required electric current when shutting down, this energy-storage battery 50 provides electric energy driving fuel battery module 31 and vanadium cell module 33 when system start-up, guarantee electric energy supply stable in electric power system startup and the stopping process, energy-storage battery 50 both can provide direct current also can provide alternating current by second transducer 72, when driving fuel battery module 31 or vanadium cell module 33 when being required to be direct current, energy-storage battery 50 provides DC power supply to be transformed into required voltage by second transducer 72; When the liquor pump in the vanadium cell module 33 is required to be alternating current, provides DC power supply to be converted to required alternating current and can drive liquor pump by second transducer 72.
In this embodiment; after changing, the electric energy unification that control device produces electricity generation module 30 by first transducer 71 exports to the terminal use; as the 220V load; by second transducer 72 the electric energy conversion that energy-storage battery 50 produces is finished startup and shutdown to drive electricity generation module 30; when 33 chargings of vanadium cell module or fault; fuel cell module 31 still can produce electric energy; correspondingly; when fuel cell module 31 breaks down or lacks fuel; vanadium cell module 33 produces electric energy and offers the user; satisfy for a long time continuous need for electricity of user, widened the range of application of fuel cell module 31 and vanadium cell module 33.
Required direct current when preferably, second transducer 72 is used for that also the direct current that electricity generation module 30 produces is converted to energy-storage battery 50 chargings.When electricity generation module 30 can satisfy the required electric energy of user fully, required electric energy when second transducer 72 produces it electric energy and is converted to energy-storage battery 50 chargings made energy-storage battery 50 directly finish charging process in electric power system inside.
Fig. 6 is the block diagram according to the control device of the electric power system of second embodiment of the invention, and as shown in Figure 6, preferably, the control device of electric power system also comprises:
The 3rd transducer 73; be connected with energy-storage battery 50; be used for when fuel cell module 31 and vanadium cell module 33 all are in inspecting state, maintenance state, generation trouble or failure; after being converted to alternating current, exports the direct current that energy-storage battery 50 is produced; guaranteed the uninterrupted power supply of electric power system to the user, energy-storage battery 50 also can continue to provide electric energy to guarantee its safe shutdown to electricity generation module when breaking down at vanadium cell and fuel cell simultaneously.If the required electric energy of external load is uninterrupted unordered variation, need the electric energy of electricity generation module 30 outputs to do conversion adaptively so, in transfer process, electricity generation module 30 needs certain response time, preferably, for stable electric energy is provided to external load, the 3rd transducer 73 also is used for when the external load of electric power system changes, after being converted to alternating current, exports the direct current that energy-storage battery 50 is produced, energy-storage battery 50 also is used for when the external load of electric power system changes, as the energy snubber of electricity generation module in 30 response times simultaneously.
First transducer 71 and the 3rd transducer 73 all are used for the output AC electricity and give the user, preferably, in order to save cost, can be set to same transducer by two transducers.
The 4th transducer 74, be connected with external power supply, be used for when fuel cell module 31, vanadium cell module 33 and energy-storage battery 50 all produce fault, inefficacy or energy supply deficiency, the electric energy conversion back that directly external power supply is produced has further guaranteed the uninterrupted power supply of electric power system to the user to terminal use's output.
The 5th transducer 75, be connected between external power supply and the energy-storage battery 50, be used for electric energy deficiency in electric power system self generation, and when energy-storage battery 50 needs charging, required direct current when the alternating current that external power supply is produced is converted to energy-storage battery 50 chargings, guarantee energy-storage battery 50 operate as normal, and then guarantee the operate as normal of electric power system;
The 6th transducer 76, be connected between external power supply and the vanadium cell module 33, be used for electric energy deficiency in electric power system self generation, and when vanadium cell module 33 needs charging, required direct current when the alternating current that external power supply is produced is converted to 33 chargings of vanadium cell module is finished the charging of vanadium cell module 33.
The 7th transducer 77, be connected between fuel cell module 31 and the vanadium cell module 33, when being used for electric energy abundance that fuel cell module 31 produces and vanadium cell module 33 needs and charging, required direct current when the direct current that fuel cell module 31 is produced is converted to 33 chargings of vanadium cell module utilizes the electric energy of electric power system self to finish the charging of vanadium cell module 33.
To sum up, when energy-storage battery 50 needed charging, can select in the following method any one for use according to the service condition difference: external power supply was by the 5th transducer 75, and as the AC/DC converter, the conversion back gives energy-storage battery 50 chargings; The direct current of fuel cell module 31 generating outputs as the DC/DC transducer, provides energy-storage battery 50 chargings by second transducer 72 after the conversion; Output DC as the DC/DC transducer, is used for energy-storage battery 50 chargings by second transducer 72 during 33 discharges of vanadium cell module after the conversion.
When needing external electric energy, electric power system carries out electric energy when replenishing: utilize external power supply to energy-storage battery 50 chargings by the 5th transducer 75; Utilize the charging of external power supply by the 6th transducer 76 to vanadium cell module 33; Directly the electric energy output of external power supply is used for the terminal use by the 4th transducer 74.
Fig. 7 is the block diagram according to the control device of the electric power system of third embodiment of the invention, as shown in Figure 7, energy-storage battery 50 provides direct current to be transformed into the corresponding component of required voltage driving fuel battery module 31 and vanadium cell module 33 by the DC/DC-1 transducer when system start-up, thus the normal operation of starting fluid battery module 31 or vanadium cell module 33.When energy-storage battery 50 needs charging, charge to energy-storage battery by AC/DC-5 converter conversion back by external AC power supply.
When fuel cell module 31 generatings provided electric energy, above-mentioned energy-storage battery 50 output electric energy drove the startup that fuel cell module 31 is finished in its associated components operation.After fuel cell module 31 normal power generation, the required electric energy of its related accessories follow-up operation is still provided by energy-storage battery 50 discharges.The electricity that fuel cell module 31 sends is earlier by the DC/DC-2 transducer, again by output 220V alternating current behind the DC/AC-4 inverter.
When 33 discharges of vanadium cell module externally provided electric energy, above-mentioned energy-storage battery 50 output electric energy drove its associated components operation and start 33 discharges of vanadium cell module.After 33 regular pictures of vanadium cell module, the required electric energy of its related accessories follow-up operation is still provided by energy-storage battery 50 discharges.The electricity that vanadium cell module 33 is emitted is earlier by two-way DC/DC-3 transducer, again by output 220V alternating current behind the DC/AC-4 inverter.When vanadium cell module 33 needed charging, charge power supply was an external AC.External AC changes direct current into by the AC/DC-5 converter earlier, again by being used for 33 chargings of vanadium cell module after the two-way DC/DC-3 transducer conversion.Before vanadium cell module 33 is charged, need at first finish the driving to its appurtenances and system, its driving power is provided by energy-storage battery 50.
When fuel cell module 31 and vanadium cell module 33 provide electric energy simultaneously, corresponding appurtenances and system's operation of above-mentioned energy-storage battery 50 output electric energy driving fuel battery modules 31 and vanadium cell module 33.After fuel cell module 31 and vanadium cell module have any one battery to finish normal startup, the appurtenances of two kinds of battery modules and system move required electric energy and can select by any one provides at least in these two kinds of battery modules or the energy-storage battery 50 in the follow-up operation process, preferably, in order to provide stable driving to appurtenances and system's operation, its required electric energy is provided by energy-storage battery 50, because the output of electricity generation module has certain fluctuation with extraneous load, when using it as driving power, for obtaining stable driving electric energy, need the extra design cost that increases.Fuel cell module and vanadium cell module output electric energy are respectively by after DC/DC-2 and the DC/DC-3 conversion, again by being connected to external load after the conversion of DC/AC-4 inverter.
Fig. 8 is the block diagram according to the control device of the electric power system of fourth embodiment of the invention, as shown in Figure 8, energy-storage battery 50 provides direct current to be transformed into the corresponding component of required voltage driving fuel battery module 31 and vanadium cell module 33 by the DC/DC-1 transducer when system start-up, thus the normal operation of starting fluid battery module 31 or vanadium cell module 33.When energy-storage battery 50 needs charging, charge to energy-storage battery by AC/DC-5 converter conversion back by external AC power supply.
When fuel cell module 31 generatings provided electric energy, above-mentioned energy-storage battery 50 output electric energy drove the startup that fuel cell module 31 is finished in its associated components operation.After fuel cell module 31 normal power generation, the required electric energy of its related accessories follow-up operation is still provided by energy-storage battery 50 discharges.The electricity that fuel cell module 31 sends is earlier by the DC/DC-2 transducer, again by output 220V alternating current behind the DC/AC-4 inverter.
When other electricity generation modules 35, when externally providing electric energy as the solar power generation module, solar power generation module output electric energy is by the DC/DC-6 transducer, again by output 220V alternating current behind the DC/AC-4 inverter.But, after therefore usually solar power generation being changed by the DC/DC-6 transducer, be used for the charging of vanadium cell module 33 or energy-storage battery 50 because the electric energy that the solar power generation module produces has unsteadiness.
Wherein, above-mentioned other electricity generation modules 35 comprise and are not limited only to: solar power generation module, wind power generation module, tidal power generation module, sodium-sulphur battery module, internal combustion engine electricity generation module and super-capacitor module etc.When the startup of other electricity generation modules 35 needed that electric energy is auxiliary to be finished, its electric energy was supplied with by energy-storage battery 50 before finishing normal operation.If other electricity generation module 35 power-on times and controllable intensity, as the power-on time and the controllable intensity of sodium-sulphur battery module, internal combustion engine electricity generation module and super-capacitor module, it sends the charging that electric energy is used for terminal use's load or energy-storage battery 50 and vanadium cell module 33; If the power-on time and the intensity of other electricity generation modules 35 are uncontrollable, as the power-on time of solar power generation module, wind power generation module and tidal power generation module and intensity when uncontrollable, determine the use of its electric energy according to the terminate load demand, wherein, when the terminate load demand was big, it sent electric energy and is directly used in the terminal use; When the terminate load demand hour, thereby it sends the storage that electric energy is finished in charging that electric energy is used for vanadium cell module 33.
When 33 discharges of vanadium cell module externally provided electric energy, above-mentioned energy-storage battery 50 output electric energy drove its associated components operation and start 33 discharges of vanadium cell module.After 33 regular pictures of vanadium cell module, the required electric energy of its related accessories follow-up operation is still provided by energy-storage battery 50 discharges.The electricity that vanadium cell module 33 is emitted is earlier by two-way DC/DC-3 transducer, again by output 220V alternating current behind the DC/AC-4 inverter.When vanadium cell module 33 needed charging, charge power supply was an external AC.External AC changes direct current into by the AC/DC-5 converter earlier, again by being used for 33 chargings of vanadium cell module after the two-way DC/DC-3 transducer conversion.Before vanadium cell module 33 is charged, need at first finish the driving to its appurtenances and system, its driving power is provided by energy-storage battery 50.
When fuel cell module 31 and vanadium cell module 33 provide electric energy simultaneously, above-mentioned energy-storage battery 50 output electric energy driving fuel battery modules 31 and vanadium cell module 33 corresponding appurtenances and system's operation.After two kinds of battery modules had any one battery module to finish normal startup, the appurtenances of two kinds of battery modules and system moved required electric energy and can select by any one provides at least in these two kinds of battery modules or the energy-storage battery 50 in the follow-up operation process.Fuel cell module 31 and vanadium cell module 33 output electric energy are respectively by after DC/DC-2 and the DC/DC-3 conversion, again by being connected to external load after the conversion of DC/AC-4 inverter.
From above description as can be seen, the present invention has reached following technique effect, the electric power system of the associating system of compositions such as a kind of vanadium cell module and fuel cell module and other power supply units is provided, by unified management and optimization to electric power system, widened the range of application of vanadium cell module, improve the integrated level of system, effectively improved the efficient and the life-span of system.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. the control device of an electric power system is characterized in that,
Described electric power system comprises:
Electricity generation module is used to produce electric energy, comprises fuel cell module and vanadium cell module; And
Energy-storage battery is used for startup being provided and shutting down required electric energy to described electricity generation module,
Described control device comprises:
First transducer is connected with described electricity generation module, exports after being used for the direct current that described electricity generation module produces is converted to alternating current; And
Second transducer is connected between described energy-storage battery and the described electricity generation module, is used for that the direct current that described energy-storage battery produces is converted to that described electricity generation module starts and required electric current when shutting down.
2. the control device of electric power system according to claim 1 is characterized in that, required direct current when described second transducer is used for that also the direct current that described electricity generation module produces is converted to described energy-storage battery charging.
3. the control device of electric power system according to claim 1 is characterized in that, also comprises:
The 3rd transducer is connected with described energy-storage battery, exports after the direct current that is used for when described electricity generation module maintenance, maintenance, shutdown or fault described energy-storage battery being produced is converted to alternating current.
4. the control device of electric power system according to claim 3 is characterized in that,
Described the 3rd transducer also is used for when the external load of described electric power system changes, and exports after the direct current that described energy-storage battery is produced is converted to alternating current; And
Described energy-storage battery also is used for when the external load of described electric power system changes, as the energy snubber of described electricity generation module in the response time.
5. the control device of electric power system according to claim 1 is characterized in that, also comprises:
The 4th transducer is connected with external power supply, is used for exporting when described electricity generation module produces fault the electric energy that described external power supply produces.
6. the control device of electric power system according to claim 1 is characterized in that, also comprises:
The 5th transducer is connected between described external power supply and the described energy-storage battery, required direct current when being used for that the alternating current that described external power supply produces is converted to described energy-storage battery charging.
7. the control device of electric power system according to claim 1 is characterized in that, also comprises:
The 6th transducer is connected between described external power supply and the described vanadium cell module, required direct current when being used for that the alternating current that described external power supply produces is converted to described vanadium cell module charging.
8. the control device of electric power system according to claim 7 is characterized in that, also comprises:
The 7th transducer is connected between described fuel cell module and the described vanadium cell module, required direct current when being used for that the direct current that described fuel cell module produces is converted to described vanadium cell module charging.
9. an electric power system is characterized in that, comprising:
Electricity generation module is used to produce electric energy, comprises fuel cell module and vanadium cell module;
Energy-storage battery is used for startup being provided and shutting down required electric energy to described electricity generation module; And
The control device of any described electric power system in the claim 1 to 8.
10. electric power system according to claim 9 is characterized in that, described energy-storage battery is following any one or multiple battery:
Lead-acid battery, lithium battery, Ni-MH battery, nickel-cadmium cell and super capacitor.
11. electric power system according to claim 9 is characterized in that, described electricity generation module also comprises following any one or multiple module:
Solar power generation module, wind power generation module, tidal power generation module, sodium-sulphur battery module, internal combustion engine electricity generation module and super-capacitor module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110247984XA CN102290849A (en) | 2011-08-24 | 2011-08-24 | Power-supply system and control device thereof |
| PCT/CN2011/081716 WO2013026235A1 (en) | 2011-08-24 | 2011-11-03 | Power supply system and control device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110247984XA CN102290849A (en) | 2011-08-24 | 2011-08-24 | Power-supply system and control device thereof |
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| CN102290849A true CN102290849A (en) | 2011-12-21 |
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| CN201110247984XA Pending CN102290849A (en) | 2011-08-24 | 2011-08-24 | Power-supply system and control device thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624078A (en) * | 2012-03-29 | 2012-08-01 | 上海恒劲动力科技有限公司 | Power supplying switching method of direct current dual path input and device for implementing method |
| CN103051032A (en) * | 2013-01-14 | 2013-04-17 | 中国东方电气集团有限公司 | Fuel battery power supply device and power supply system |
| CN104092252A (en) * | 2014-06-17 | 2014-10-08 | 昆山弗尔赛能源有限公司 | Storage battery charging maintenance system for emergency generator car |
| CN106364652A (en) * | 2016-08-31 | 2017-02-01 | 安徽远东船舶有限公司 | Hybrid power ship |
| CN110103733A (en) * | 2019-04-01 | 2019-08-09 | 武汉格罗夫氢能汽车有限公司 | A kind of Hydrogen Fuel-cell Vehicles auxiliary energy system |
| CN110190621A (en) * | 2019-03-11 | 2019-08-30 | 华电电力科学研究院有限公司 | A kind of the distributed photovoltaic integrated system and integrated approach of fuel cell |
| CN110212568A (en) * | 2019-03-11 | 2019-09-06 | 华电电力科学研究院有限公司 | A kind of fuel cell powered system having black starting-up and energy supply method |
| CN112952982A (en) * | 2021-02-19 | 2021-06-11 | 西安钧标电子科技有限公司 | Control method, system, terminal and application of uninterrupted aluminum fuel power supply |
| CN113193645A (en) * | 2021-04-22 | 2021-07-30 | 四川荣创新能动力系统有限公司 | Control method of hydrogen fuel cell emergency power supply system |
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| WO2008148148A1 (en) * | 2007-06-07 | 2008-12-11 | V-Fuel Pty Ltd | Efficient energy storage systems using vanadium redox batteries for electricity trading, fossil fuel reduction and electricity power cost savings for consumers |
| JP2009219310A (en) * | 2008-03-12 | 2009-09-24 | Nippon Telegr & Teleph Corp <Ntt> | Power supply device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624078A (en) * | 2012-03-29 | 2012-08-01 | 上海恒劲动力科技有限公司 | Power supplying switching method of direct current dual path input and device for implementing method |
| CN103051032A (en) * | 2013-01-14 | 2013-04-17 | 中国东方电气集团有限公司 | Fuel battery power supply device and power supply system |
| CN104092252A (en) * | 2014-06-17 | 2014-10-08 | 昆山弗尔赛能源有限公司 | Storage battery charging maintenance system for emergency generator car |
| CN106364652A (en) * | 2016-08-31 | 2017-02-01 | 安徽远东船舶有限公司 | Hybrid power ship |
| CN110190621A (en) * | 2019-03-11 | 2019-08-30 | 华电电力科学研究院有限公司 | A kind of the distributed photovoltaic integrated system and integrated approach of fuel cell |
| CN110212568A (en) * | 2019-03-11 | 2019-09-06 | 华电电力科学研究院有限公司 | A kind of fuel cell powered system having black starting-up and energy supply method |
| CN110103733A (en) * | 2019-04-01 | 2019-08-09 | 武汉格罗夫氢能汽车有限公司 | A kind of Hydrogen Fuel-cell Vehicles auxiliary energy system |
| CN112952982A (en) * | 2021-02-19 | 2021-06-11 | 西安钧标电子科技有限公司 | Control method, system, terminal and application of uninterrupted aluminum fuel power supply |
| CN112952982B (en) * | 2021-02-19 | 2023-10-17 | 西安钧标电子科技有限公司 | Control method, system, terminal and application of uninterrupted aluminum fuel power supply |
| CN113193645A (en) * | 2021-04-22 | 2021-07-30 | 四川荣创新能动力系统有限公司 | Control method of hydrogen fuel cell emergency power supply system |
| CN113193645B (en) * | 2021-04-22 | 2022-08-09 | 四川荣创新能动力系统有限公司 | Control method of hydrogen fuel cell emergency power supply system |
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