CN113839403A - Energy storage hydrogen production control method and device, storage medium and electronic equipment - Google Patents
Energy storage hydrogen production control method and device, storage medium and electronic equipment Download PDFInfo
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- CN113839403A CN113839403A CN202111193121.9A CN202111193121A CN113839403A CN 113839403 A CN113839403 A CN 113839403A CN 202111193121 A CN202111193121 A CN 202111193121A CN 113839403 A CN113839403 A CN 113839403A
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 141
- 239000001257 hydrogen Substances 0.000 title claims abstract description 141
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 141
- 238000004146 energy storage Methods 0.000 title claims abstract description 118
- 238000003860 storage Methods 0.000 title claims abstract description 26
- 238000000195 production control method Methods 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 125
- 238000010248 power generation Methods 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 40
- 238000005868 electrolysis reaction Methods 0.000 claims description 38
- 238000004590 computer program Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000002474 experimental method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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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
- H02J15/00—Systems for storing electric energy
- H02J15/008—Systems for storing electric energy using hydrogen as energy vector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The invention discloses a control method and device for energy storage hydrogen production, a storage medium and electronic equipment. Wherein, the method comprises the following steps: acquiring electric energy generated by the power generation equipment, wherein the power generation equipment comprises: wind and photovoltaic generators; charging the energy storage system by using the electric energy; the energy storage system is adopted to supply power to the hydrogen production system, so that the hydrogen production system adopts an electrolytic bath to complete hydrogen production. The invention solves the technical problem that the energy storage hydrogen production control method in the prior art needs the fluctuation change of the electric energy of the electrolytic cell experiment and has great potential safety hazard.
Description
Technical Field
The invention relates to the technical field of hydrogen-electricity energy conversion, in particular to a control method and device for energy storage and hydrogen production, a storage medium and electronic equipment.
Background
With the rapid development of wind power generation technology and photovoltaic power generation technology in recent years, renewable energy utilization technology for wind-solar hydrogen production becomes possible, and in the existing wind-solar hydrogen production technology, because the electric energy generated by the wind power generation technology and the photovoltaic power generation technology fluctuates, the voltage and the current obtained by an electrolytic cell of a hydrogen production system are unstable, and the fluctuation of the electric energy generated by wind power generation and photovoltaic power generation is absorbed through the internal control of the electrolytic cell.
However, the efficiency and the safety of hydrogen production are influenced by the corresponding fluctuation change of an electrolytic cell experiment, and great potential safety hazard is brought to the whole hydrogen production system; in the hydrogen production systems of the related technologies, the electric energy fluctuation exceeding the minute level will affect the content proportion of oxygen in hydrogen in the hydrogen production systems, and when the content proportion of oxygen in hydrogen exceeds 2%, the whole hydrogen production system needs to be shut down to prevent explosion, thus seriously affecting the safe and efficient operation of the hydrogen production system, increasing the loss of hydrogen production devices such as an electrolytic bath and the like, and reducing the service life of the hydrogen production devices.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides an energy storage hydrogen production control method, an energy storage hydrogen production control device, a storage medium and electronic equipment, and at least solves the technical problem that in the prior art, the energy storage hydrogen production control method needs electric energy fluctuation change of an electrolytic cell experiment and has great potential safety hazard.
According to an aspect of the embodiments of the present invention, there is provided an energy storage hydrogen production control method, which is used for an energy storage hydrogen production system, and the energy storage hydrogen production system includes: the energy storage system, and the power generation equipment and the hydrogen production system which are connected with the energy storage system, and the method comprises the following steps: acquiring electric energy generated by the power generation equipment, wherein the power generation equipment comprises: wind and photovoltaic generators; charging the energy storage system by using the electric energy; the energy storage system is adopted to supply power to the hydrogen production system, so that the hydrogen production system adopts an electrolytic bath to complete hydrogen production.
Optionally, before the electric energy is used to charge the energy storage system, the method includes: and converting the alternating current generated by the wind driven generator into direct current by adopting an alternating current/direct current converter.
Optionally, adopt above-mentioned electric energy to charge for energy storage system, include: presetting a first number of battery packs, wherein the battery packs are arranged in the energy storage system, each battery pack is used for indicating any one working mode of a current charging state, and the working modes comprise: a full mode, a emptying mode, a charging mode and a discharging mode; and charging the plurality of battery packs by using the electric energy.
Optionally, the above-mentioned hydrogen manufacturing system is powered by the above-mentioned energy storage system, so that the above-mentioned hydrogen manufacturing system adopts an electrolytic cell to complete hydrogen manufacturing, including: presetting a second number of electrolysis cells, wherein the plurality of electrolysis cells are arranged in the energy storage system, each electrolysis cell is used for representing any one electrolysis mode of the current electrolysis state, and the electrolysis mode comprises the following steps: full power mode, low power mode, standby mode, shutdown mode; and transmitting the electric energy to the plurality of electrolytic cells of the hydrogen production system, and producing hydrogen by using the electric energy through the plurality of electrolytic cells.
Optionally, the method further includes: acquiring the electric energy full charge time of the current battery pack in the plurality of battery packs and the electric energy full charge time of the last battery pack; judging whether the electric energy full charge time of the current battery pack in the plurality of battery packs is equal to the electric energy full charge time of the last battery pack; and if the electric energy full-charging time of the current battery pack is equal to the electric energy full-charging time of the last battery pack, keeping the current working mode of the energy storage hydrogen production system to stably operate.
Optionally, the method further includes: if the current battery pack electric energy full-charging time is less than the last battery pack electric energy full-charging time, the electrolytic cell in the low-power mode is converted into the electrolytic cell in the full-power mode, the electrolytic cell in the standby mode is converted into the electrolytic cell in the low-power mode, and the electrolytic cell in the shutdown mode is converted into the electrolytic cell in the standby mode.
Optionally, the method further includes: if the current battery pack electric energy full-charging time is longer than the last battery pack electric energy full-charging time, the electrolytic cell in the full power mode is converted into the electrolytic cell in the low power mode, the electrolytic cell in the low power mode is converted into the electrolytic cell in the standby mode, and the electrolytic cell in the standby mode is converted into the electrolytic cell in the shutdown mode.
According to another aspect of the embodiment of the invention, there is also provided a control device of a wind-solar hydrogen production system, where the device is used for the energy storage hydrogen production system, and the energy storage hydrogen production system includes: the energy storage system, and the power generation facility and the hydrogen production system that are connected with above-mentioned energy storage system, this device includes: an obtaining module, configured to obtain electric energy generated by the power generation device, where the power generation device includes: wind and photovoltaic generators; the charging module is used for charging the energy storage system by adopting the electric energy; and the power supply module is used for supplying power to the hydrogen production system by adopting the energy storage system so that the hydrogen production system adopts an electrolytic tank to complete hydrogen production.
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium, where the computer-readable storage medium includes a stored program, where the program is executed to control a device where the computer-readable storage medium is located to perform any one of the above control methods for an energy storage hydrogen production system.
According to another aspect of the embodiments of the present invention, there is also provided an electronic device, including a memory and a processor, where the memory stores a computer program, and the processor is configured to execute the computer program to perform any one of the above control methods of the energy storage hydrogen production system.
In an embodiment of the present invention, the electric energy generated by the power generation device is obtained, where the power generation device includes: wind and photovoltaic generators; charging the energy storage system by using the electric energy; the energy storage system is adopted to supply power to the hydrogen production system, so that the hydrogen production system adopts the electrolytic tank to complete hydrogen production, the purpose of absorbing electric energy fluctuation of a power generation end through the energy storage system is achieved, the technical effect of supplying power to the electrolytic tank of the hydrogen production system through the energy storage system is achieved, the stable operation of the whole hydrogen production system is ensured, and the technical problem that the energy storage hydrogen production control method in the prior art needs electrolytic tank experiment electric energy fluctuation change and has great potential safety hazard is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a flow diagram of a method for controlling stored energy hydrogen production according to an embodiment of the invention;
FIG. 2 is a schematic diagram of an alternative energy storage hydrogen production system according to an embodiment of the invention;
fig. 3 is a flow chart of an alternative energy storage system battery pack switching scheme according to an embodiment of the invention;
FIG. 4 is a flow diagram of a wind-solar hydrogen production system of an energy storage system according to an embodiment of the invention;
fig. 5 is a schematic structural diagram of an energy storage hydrogen production control device according to an embodiment of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In accordance with an embodiment of the present invention, there is provided an embodiment of a method for controlling hydrogen production from stored energy, wherein the steps illustrated in the flowchart of the figure may be performed in a computer system, such as a set of computer-executable instructions, and wherein, although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different than that illustrated.
Fig. 1 is a flow chart of a control method for hydrogen production by energy storage according to an embodiment of the invention, as shown in fig. 1, the method comprises the following steps:
step S102, obtaining electric energy generated by the power generation equipment, where the power generation equipment includes: wind and photovoltaic generators;
step S104, charging the energy storage system by using the electric energy;
and S106, supplying power to the hydrogen production system by adopting the energy storage system so that the hydrogen production system adopts an electrolytic tank to complete hydrogen production.
In the embodiment of the invention, the power generation equipment is used as a power generation end, renewable energy is converted into electric energy through the power generation end and stored in the energy storage system, the energy storage system is used for supplying power to the hydrogen production system, and an electrolytic cell in the hydrogen production system utilizes the electric energy to complete hydrogen production.
It should be noted that the power generation end may include a plurality of power generation devices, the types of the power generation devices are not particularly limited, and the types of the power generation devices may be adjusted according to the types of renewable energy sources.
In the embodiment of the invention, the power generation end formed by power generation equipment such as a wind driven generator, a photovoltaic generator and the like is directly connected with the energy storage system, and the instantaneous electric energy supply fluctuation in a short time is absorbed into the long-time single energy storage system battery pack charging process.
It should be noted that the method for absorbing the electric energy fluctuation of the power generation end by using the energy storage system adopted by the invention is different from the technical scheme that wind power and photovoltaic are directly connected to a hydrogen production system by other systems in the related art, and the instantaneous electric power fluctuation in a short time is absorbed by the control strategy of an electrolytic cell.
In the embodiment of the invention, the electric energy absorbed by the energy storage system after electric power fluctuation is transmitted to the hydrogen production system, and the hydrogen production system adopts the electrolytic bath to complete hydrogen production according to the power supply of the energy storage system.
According to the embodiment of the invention, the problem of power supply fluctuation of the wind driven generator and the photovoltaic generator at the power generation end of the wind-solar hydrogen production system in the power generation process is solved, and the stable power supply of the power supply system and the stable operation of the hydrogen production system are ensured by connecting the power generation end with the energy storage system and absorbing the power supply fluctuation by the energy storage system; the whole wind-solar hydrogen production system aims to completely use the electric energy generated by the wind power generator and the photovoltaic generator for hydrogen production in the electrolytic cell, and the energy storage system connects the power generation end with the hydrogen production system to stably absorb electric energy fluctuation.
In an alternative embodiment, before the charging of the energy storage system with the electric energy, the method includes:
step S202, an AC/DC converter is adopted to convert the AC generated by the wind driven generator into DC.
In the embodiment of the present invention, as shown in the schematic structural diagram of the energy storage hydrogen production system shown in fig. 2, before the energy storage system is charged with the electric energy, an ac/dc converter is used to convert ac power generated by the wind turbine into dc power.
In an optional embodiment, the charging the energy storage system with the electric energy includes:
step S302, presetting a plurality of battery packs of a first number, where the plurality of battery packs are arranged in the energy storage system, each battery pack is used to indicate any one of operation modes currently in a charging state, and the operation modes include: a full mode, a emptying mode, a charging mode and a discharging mode;
step S304, the plurality of battery packs are charged with the electric energy.
As an alternative embodiment, before the energy storage hydrogen production system is activated, a first number of battery packs are arranged in the energy storage system in advance, each battery pack is used for indicating any one of the operation modes of the current charging state, and the operation modes include: a full mode, a emptying mode, a charging mode and a discharging mode; and charging the energy storage system by using the electric energy, namely charging the plurality of battery packs by using the electric energy.
It should be noted that, the specific number of the plurality of battery packs of the first number may be changed according to the actual scale of the energy storage hydrogen production system, in the embodiment of the present invention, 4 battery packs are set in the energy storage system, each battery pack represents a state, and the state 1 is a full mode, that is, the target battery pack is fully charged and ready to be used; the state 2 is an emptying mode, namely the target battery pack is used up and is to be charged; the state 3 is a charging mode, namely the electric power of the target battery pack is being charged and recovered, and the electric power source is the electric energy generated by the power generation end and stored in the energy storage system; state 4 is a discharge mode, i.e., the target battery pack is powering the hydrogen production system.
Optionally, as shown in the flow chart of the battery pack switching method of the energy storage system shown in fig. 3, the operation modes of the plurality of battery packs are switched sequentially from the state 1 full charge mode to the state 4 discharge mode, from the state 4 discharge mode to the state 2 empty mode, from the state 2 empty mode to the state 3 charge mode, and from the state 3 charge mode to the state 1 full charge mode.
In an optional embodiment, the above-mentioned power supply for the hydrogen production system by using the energy storage system to make the hydrogen production system complete hydrogen production by using an electrolytic cell includes:
step S402, presetting a second number of a plurality of electrolysis cells, wherein the plurality of electrolysis cells are arranged in the energy storage system, each electrolysis cell is used for representing any current electrolysis mode of the electrolysis state, and the electrolysis mode comprises: full power mode, low power mode, standby mode, shutdown mode;
step S404, transmitting the electric energy to the plurality of electrolysis cells of the hydrogen production system, and completing hydrogen production by using the electric energy through the plurality of electrolysis cells.
As an alternative embodiment, before the energy storage hydrogen production system is activated, a second number of a plurality of electrolysis cells are arranged in the hydrogen production system in advance, each of the electrolysis cells is used for indicating any one current electrolysis mode of the electrolysis state, and the electrolysis mode comprises: full power mode, low power mode, standby mode, shutdown mode; and transmitting the electric energy to the plurality of electrolytic cells of the hydrogen production system, and producing hydrogen by using the electric energy through the plurality of electrolytic cells.
It should be noted that the specific number of the second plurality of electrolysis cells may be changed according to the actual scale of the energy storage hydrogen production system, in the embodiment of the present invention, 4 electrolysis cells are provided in the hydrogen production system, each electrolysis cell represents a state, and state 1 is a full power usage mode; state 2 is a low power usage mode; state 3 is standby waiting for enabling mode; state 4 is shutdown mode.
In an optional embodiment, the method further includes:
step S502, obtaining the electric energy full charge time of the current battery pack and the electric energy full charge time of the last battery pack in the plurality of battery packs;
step S504, judge whether the electric energy of the present battery pack in the above-mentioned multiple battery packs is full of time and equal to the above-mentioned last battery pack electric energy is full of time;
and step S506, if the electric energy full time of the current battery pack is equal to the electric energy full time of the last battery pack, keeping the current working mode of the energy storage hydrogen production system to stably operate.
In the embodiment of the invention, when the energy storage hydrogen production system runs, the full-charge time T of the current battery pack in the plurality of battery packs needs to be acquiredCharging of electricityAnd last battery pack power full time tCharging of electricity(ii) a Judging the relation between the current battery pack electric energy full charge time and the last battery pack electric energy full charge time in the plurality of battery packs; as shown in fig. 4, if the current battery pack electric energy full-charge time is equal to the last battery pack electric energy full-charge time, i.e. TCharging of electricity＝tCharging of electricityAnd the power generation capacity of the power generation end is not obviously changed, the transient change in a short time is absorbed by the energy storage system, the system can be kept stable and not changed, the system is an ideal operation mode of the system, and the stable operation of the current working mode of the energy storage hydrogen production system is continuously kept.
It should be noted that, the above current battery pack electric energy full time TCharging of electricity＝WhIs full of/PSupplying powerThe above isElectric energy full time t of each battery packCharging of electricity＝WhIs full of/PSupplying powerWherein, WhIs full ofIndicates the full capacity of the target battery pack (in calculating T)Charging of electricityHour WhIs full ofIndicating the current full capacity of the battery pack, at calculation tCharging of electricityHour WhIs full ofIndicating the full capacity of the last battery pack), PSupplying powerAnd the power supply efficiency of the power generation end in the current time period is represented.
Optionally, the working mode of the power generation end and the hydrogen production system can be determined by the electric energy consumption time of the battery pack, and the current battery pack electric energy full charge time TPower consumption＝WhIs full of/PElectrolytic cellThe last battery pack is full of electric energy for a time tPower consumption＝WhIs full of/PElectrolytic cellWherein, WhIs full ofIndicates the full capacity of the target battery pack (in calculating T)Power consumptionHour WhIs full ofIndicating the current full capacity of the battery pack, at calculation tPower consumptionHour WhIs full ofIndicating the full capacity of the last battery pack), PElectrolytic cellRepresenting the electricity utilization efficiency of the electrolytic cell in the current time period; by comparing TPower consumptionAnd tPower consumptionThe working mode of the energy storage hydrogen production system is adjusted according to the size relationship.
In an optional embodiment, the method further includes:
step S602, if the current battery pack electric energy full time is less than the last battery pack electric energy full time, the electrolytic cell in the low power mode is converted into the electrolytic cell in the full power mode, the electrolytic cell in the standby mode is converted into the electrolytic cell in the low power mode, and the electrolytic cell in the shutdown mode is converted into the electrolytic cell in the standby mode.
In the embodiment of the present invention, as shown in fig. 4, if the current battery pack full-charge time is less than the previous battery pack full-charge time, i.e. TCharging of electricity<tCharging of electricityIf the current time of the full charge of the battery pack is shorter than the time of the last process of the full charge of the battery pack, the capacity of the power generation end is excessive, so that a large amount of electric power is accumulated in the energy storage system, and the size of the electrolytic cell should be increasedThe state 2 low power mode electrolyzer needs to be converted into the state 1 full power mode electrolyzer, the state 3 standby mode electrolyzer needs to be converted into the state 2 low power mode electrolyzer, and the state 4 shutdown mode electrolyzer needs to be converted into the state 3 standby mode electrolyzer.
In an optional embodiment, the method further includes:
step S702, if the current battery pack electric energy full time is longer than the last battery pack electric energy full time, the full-power mode electrolytic cell is converted into a low-power mode electrolytic cell, the low-power mode electrolytic cell is converted into a standby mode electrolytic cell, and the standby mode electrolytic cell is converted into a shutdown mode electrolytic cell.
In the embodiment of the present invention, as shown in fig. 4, if the current battery pack full-charge time is longer than the last battery pack full-charge time, i.e. TCharging of electricity>tCharging of electricityIf the current time of the full charge of the battery pack is longer than the time of the last process of the full charge of the battery pack, the capacity of the power generation end is reduced, the power reserve consumption of the energy storage system is increased in the current operation mode of the hydrogen production system electrolytic cell, and the energy consumption power of the electrolytic cell needs to be reduced, the full-power mode electrolytic cell in the state 1 needs to be converted into the low-power mode electrolytic cell in the state 2, the low-power mode electrolytic cell in the state 2 needs to be converted into the standby mode electrolytic cell in the state 3, and the standby mode electrolytic cell in the state 3 needs to be converted into the shutdown mode electrolytic cell in the state 4.
It should be noted that, the battery pack of the energy storage system is divided into 4 groups, which correspond to 4 different working modes, such as a full-charge mode, a discharge mode, a charge mode, and a discharge mode. The working modes of each battery pack are not mutually changeable, the states can be mutually switched, the switching speed depends on the power generation capacity of the power supply end, the instantaneous power fluctuation in a short time can be completely absorbed, and the instantaneous fluctuation is absorbed in the time period with the whole time interval of T (T can be according to T)Charging of electricityOr TPower consumptionTo confirm), effectively ensures the stable operation of the hydrogen production system; the electrolytic cell of the hydrogen production system is divided into 4 different typesAnd in the electrolysis mode, the full-charging time of the energy storage battery pack at each time is compared with the full-charging time of the battery pack at the last time, and the change of the charging time represents the change of the power generation capacity of the power generation end, so that the working strategy of the electrolytic cell of the hydrogen production system is adjusted.
According to the embodiment of the invention, the wind-solar-energy-storage multi-energy complementary hydrogen production system is used, the energy storage system in the system can store the electric power in the load valley period and release the electric power in the load peak period, the fluctuation of wind power output can be smoothed by combining with wind power, the charging or power consumption time relation is taken as a partition node, and the stable power supply of the hydrogen production system is kept by absorbing the fluctuation of power supply by the energy storage system. However, the reaction speed of the storage battery system in the related art is relatively slow, and is in the order of minutes, and the slow reaction speed limits the application of the energy storage system in the water electrolysis hydrogen production system which needs to perform rapid tracking control on output power.
According to an embodiment of the present invention, there is also provided an embodiment of an apparatus for implementing the energy storage hydrogen production control method, and fig. 5 is a schematic structural diagram of an energy storage hydrogen production control apparatus according to an embodiment of the present invention, as shown in fig. 5, the apparatus includes: an acquisition module 50, a charging module 52, and a power supply module 54, wherein:
an obtaining module 50, configured to obtain electric energy generated by the power generation device, where the power generation device includes: wind and photovoltaic generators;
a charging module 52, configured to charge the energy storage system with the electric energy;
and the power supply module 54 is used for supplying power to the hydrogen production system by adopting the energy storage system so that the hydrogen production system adopts an electrolytic tank to complete hydrogen production.
It should be noted here that the acquiring module 50, the charging module 52 and the power supply module 54 correspond to steps S102 to S106 in embodiment 1, and the three modules are the same as the corresponding steps in the implementation example and application scenario, but are not limited to the disclosure in embodiment 1.
It should be noted that, reference may be made to the relevant description in embodiment 1 for a preferred implementation of this embodiment, and details are not described here again.
Embodiments of a computer-readable storage medium are also provided according to embodiments of the present invention. Alternatively, in this embodiment, the computer-readable storage medium may be used to store the program codes executed by the energy storage hydrogen production control method provided in embodiment 1.
Optionally, in this embodiment, the computer-readable storage medium may be located in any one of a group of computer terminals in a computer network, or in any one of a group of mobile terminals.
Optionally, in this embodiment, the computer readable storage medium is configured to store program code for performing the following steps: acquiring electric energy generated by the power generation equipment, wherein the power generation equipment comprises: wind and photovoltaic generators; charging the energy storage system by using the electric energy; the energy storage system is adopted to supply power to the hydrogen production system, so that the hydrogen production system adopts an electrolytic bath to complete hydrogen production.
Optionally, the computer-readable storage medium may further include program code for performing the following steps: and converting the alternating current generated by the wind driven generator into direct current by adopting an alternating current/direct current converter.
Optionally, the computer-readable storage medium may further include program code for performing the following steps: presetting a first number of battery packs, wherein the battery packs are arranged in the energy storage system, each battery pack is used for indicating any one working mode of a current charging state, and the working modes comprise: a full mode, a emptying mode, a charging mode and a discharging mode; and charging the plurality of battery packs by using the electric energy.
Optionally, the computer-readable storage medium may further include program code for performing the following steps: presetting a second number of electrolysis cells, wherein the plurality of electrolysis cells are arranged in the energy storage system, each electrolysis cell is used for representing any one electrolysis mode of the current electrolysis state, and the electrolysis mode comprises the following steps: full power mode, low power mode, standby mode, shutdown mode; and transmitting the electric energy to the plurality of electrolytic cells of the hydrogen production system, and producing hydrogen by using the electric energy through the plurality of electrolytic cells.
Optionally, the computer-readable storage medium may further include program code for performing the following steps: acquiring the electric energy full charge time of the current battery pack in the plurality of battery packs and the electric energy full charge time of the last battery pack; judging whether the electric energy full charge time of the current battery pack in the plurality of battery packs is equal to the electric energy full charge time of the last battery pack; and if the electric energy full-charging time of the current battery pack is equal to the electric energy full-charging time of the last battery pack, keeping the current working mode of the energy storage hydrogen production system to stably operate.
Optionally, the computer-readable storage medium may further include program code for performing the following steps: if the current battery pack electric energy full-charging time is less than the last battery pack electric energy full-charging time, the electrolytic cell in the low-power mode is converted into the electrolytic cell in the full-power mode, the electrolytic cell in the standby mode is converted into the electrolytic cell in the low-power mode, and the electrolytic cell in the shutdown mode is converted into the electrolytic cell in the standby mode.
Optionally, the computer-readable storage medium may further include program code for performing the following steps: if the current battery pack electric energy full-charging time is longer than the last battery pack electric energy full-charging time, the electrolytic cell in the full power mode is converted into the electrolytic cell in the low power mode, the electrolytic cell in the low power mode is converted into the electrolytic cell in the standby mode, and the electrolytic cell in the standby mode is converted into the electrolytic cell in the shutdown mode.
Embodiments of a processor are also provided according to embodiments of the present invention. Alternatively, in this embodiment, the computer-readable storage medium may be used to store the program codes executed by the energy storage hydrogen production control method provided in embodiment 1.
The embodiment of the application provides an electronic device, the device comprises a processor, a memory and a program which is stored on the memory and can be run on the processor, and the processor executes the program and realizes the following steps: acquiring electric energy generated by the power generation equipment, wherein the power generation equipment comprises: wind and photovoltaic generators; charging the energy storage system by using the electric energy; the energy storage system is adopted to supply power to the hydrogen production system, so that the hydrogen production system adopts an electrolytic bath to complete hydrogen production.
The present application further provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device: acquiring electric energy generated by the power generation equipment, wherein the power generation equipment comprises: wind and photovoltaic generators; charging the energy storage system by using the electric energy; the energy storage system is adopted to supply power to the hydrogen production system, so that the hydrogen production system adopts an electrolytic bath to complete hydrogen production.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An energy storage hydrogen production control method is characterized in that the method is used for an energy storage hydrogen production system, and the energy storage hydrogen production system comprises: an energy storage system, and a power generation device and a hydrogen production system connected to the energy storage system, the method comprising:
acquiring electric energy generated by the power generation equipment, wherein the power generation equipment comprises: wind and photovoltaic generators;
charging the energy storage system with the electric energy;
and the energy storage system is adopted to supply power to the hydrogen production system, so that the hydrogen production system adopts an electrolytic bath to complete hydrogen production.
2. The method of claim 1, prior to using the electrical energy to charge an energy storage system, comprising:
and converting the alternating current generated by the wind driven generator into direct current by adopting an alternating current/direct current converter.
3. The method of claim 1, wherein using the electrical energy to charge an energy storage system comprises:
presetting a first number of battery packs, wherein the battery packs are arranged in the energy storage system, each battery pack is used for representing any one working mode of a current charging state, and the working modes comprise: a full mode, a emptying mode, a charging mode and a discharging mode;
and charging the plurality of battery packs by using the electric energy.
4. The method of claim 3, wherein the using the energy storage system to power the hydrogen production system such that the hydrogen production system uses an electrolyzer to complete hydrogen production comprises:
presetting a second number of electrolysis cells, wherein the plurality of electrolysis cells are arranged in the energy storage system, each electrolysis cell is used for representing any one electrolysis mode of the current electrolysis state, and the electrolysis mode comprises the following steps: full power mode, low power mode, standby mode, shutdown mode;
transmitting the electric energy to the plurality of electrolysis cells of the hydrogen production system, and completing hydrogen production by using the electric energy through the plurality of electrolysis cells.
5. The method of claim 4, further comprising:
acquiring the electric energy full charge time of the current battery pack in the plurality of battery packs and the electric energy full charge time of the last battery pack;
judging whether the electric energy full charge time of the current battery pack in the plurality of battery packs is equal to the electric energy full charge time of the last battery pack;
and if the electric energy full-charging time of the current battery pack is equal to the electric energy full-charging time of the last battery pack, keeping the current working mode of the energy storage hydrogen production system to stably operate.
6. The method of claim 5, further comprising:
if the full electric energy time of the current battery pack is less than the full electric energy time of the last battery pack, the electrolytic cell in the low-power mode is converted into the electrolytic cell in the full-power mode, the electrolytic cell in the standby mode is converted into the electrolytic cell in the low-power mode, and the electrolytic cell in the shutdown mode is converted into the electrolytic cell in the standby mode.
7. The method of claim 5, further comprising:
if the full-charge time of the current battery pack is longer than the full-charge time of the last battery pack, the electrolytic cell in the full-power mode is converted into the electrolytic cell in the low-power mode, the electrolytic cell in the low-power mode is converted into the electrolytic cell in the standby mode, and the electrolytic cell in the standby mode is converted into the electrolytic cell in the shutdown mode.
8. A control device of a wind-solar hydrogen production system is characterized in that the device is used for the energy storage hydrogen production system, and the energy storage hydrogen production system comprises: the device comprises an energy storage system, and a power generation device and a hydrogen production system which are connected with the energy storage system, and comprises:
an obtaining module, configured to obtain electric energy generated by the power generation device, where the power generation device includes: wind and photovoltaic generators;
the charging module is used for charging the energy storage system by adopting the electric energy;
and the power supply module is used for supplying power to the hydrogen production system by adopting the energy storage system so that the hydrogen production system adopts an electrolytic tank to complete hydrogen production.
9. A computer-readable storage medium, comprising a stored program, wherein the computer-readable storage medium controls a device in which the computer-readable storage medium is located to execute the control method of the energy storage hydrogen production system according to any one of claims 1 to 7 when the program is executed.
10. An electronic device comprising a memory and a processor, wherein the memory stores a computer program, and the processor is configured to execute the computer program to perform the method for controlling an energy storage hydrogen production system according to any one of claims 1 to 7.
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