CN113839403B - 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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- CN113839403B CN113839403B CN202111193121.9A CN202111193121A CN113839403B CN 113839403 B CN113839403 B CN 113839403B CN 202111193121 A CN202111193121 A CN 202111193121A CN 113839403 B CN113839403 B CN 113839403B
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 147
- 239000001257 hydrogen Substances 0.000 title claims abstract description 147
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 147
- 238000004146 energy storage Methods 0.000 title claims abstract description 125
- 238000003860 storage Methods 0.000 title claims abstract description 28
- 238000000195 production control method Methods 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 130
- 238000010248 power generation Methods 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims abstract description 48
- 238000004590 computer program Methods 0.000 claims description 5
- 238000005868 electrolysis reaction Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002474 experimental method Methods 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
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
-
- 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
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an energy storage hydrogen production control method, an energy storage hydrogen production control device, a storage medium and electronic equipment. Wherein the method comprises the following steps: obtaining electric energy generated by the power generation equipment, wherein the power generation equipment comprises: wind power generators and photovoltaic power generators; charging the energy storage system by adopting 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 tank to complete hydrogen production. The invention solves the technical problems that the control method for energy storage hydrogen production in the prior art needs the experimental electric energy fluctuation change of the electrolytic tank and has great potential safety hazard.
Description
Technical Field
The invention relates to the technical field of hydrogen-electric energy conversion, in particular to an energy storage hydrogen production control method, an energy storage hydrogen production control device, 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 producing hydrogen from wind and light is enabled, and in the current wind and light storage hydrogen production technology, due to fluctuation of electric energy generated by the wind power generation technology and the photovoltaic power generation technology, voltage and current obtained by an electrolytic tank of a hydrogen production system are unstable, and electric energy fluctuation generated by wind power and photovoltaic power generation is absorbed through internal control of the electrolytic tank.
However, the efficiency and safety of hydrogen production are affected by corresponding fluctuation change of the electrolytic tank experiment, and great potential safety hazards are brought to the whole hydrogen production system; in the hydrogen production system of the related art, the electric energy fluctuation exceeding the minute level can influence the content ratio of oxygen in hydrogen in the hydrogen production system, and when the content ratio of oxygen in hydrogen exceeds 2%, the whole hydrogen production system needs to be shut down for explosion prevention, so that the safe and efficient operation of the hydrogen production system is seriously influenced, the loss of hydrogen production devices such as an electrolytic tank is increased, and the service life of the hydrogen production device is shortened.
In view of the above problems, no effective solution has been proposed at present.
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, which at least solve the technical problems that in the prior art, the energy storage hydrogen production control method needs the experimental electric energy fluctuation change of an electrolytic cell and has great potential safety hazard.
According to an aspect of an embodiment of the present invention, there is provided an energy storage hydrogen production control method for an energy storage hydrogen production system including: an energy storage system, and a power generation device and a hydrogen production system connected with the energy storage system, the method comprising: obtaining electric energy generated by the power generation equipment, wherein the power generation equipment comprises: wind power generators and photovoltaic power generators; charging the energy storage system by adopting 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 tank to complete hydrogen production.
Optionally, before charging the energy storage system with the electric energy, the method includes: an alternating current/direct current converter is adopted to convert alternating current generated by the wind driven generator into direct current.
Optionally, charging the energy storage system with the above electric energy includes: a first number of battery packs are preset, wherein the battery packs are arranged in the energy storage system, each battery pack is used for representing an operating mode of any one current charging state, and the operating modes comprise: full mode, empty mode, charge mode, discharge mode; and charging the plurality of battery packs by using the electric energy.
Optionally, the energy storage system is used for supplying power to the hydrogen production system, so that the hydrogen production system adopts an electrolytic tank to complete hydrogen production, and the method comprises the following steps: a second number of a plurality of electrolytic cells are preset, wherein the plurality of electrolytic cells are arranged in the energy storage system, each of the plurality of electrolytic cells is used for representing an electrolytic mode of any current electrolytic state, and the electrolytic mode comprises: full power mode, low power mode, standby mode, shutdown mode; and transmitting the electric energy to a plurality of electrolytic tanks of the hydrogen production system, and completing hydrogen production by adopting the electric energy through the plurality of electrolytic tanks.
Optionally, the method further comprises: acquiring the current battery pack electric energy full time and the last battery pack electric energy full time in the plurality of battery packs; judging whether the current battery pack electric energy full time in the plurality of battery packs is equal to the previous battery pack electric energy full time or not; and if the current battery pack electric energy filling time is equal to the previous battery pack electric energy filling time, keeping the current working mode of the energy storage hydrogen production system to stably operate.
Optionally, the method further comprises: and if the current battery pack electric energy filling time is smaller than the last battery pack electric energy filling time, converting the low-power mode electrolytic tank into a full-power mode electrolytic tank, converting the standby mode electrolytic tank into a low-power mode electrolytic tank, and converting the shutdown mode electrolytic tank into a standby mode electrolytic tank.
Optionally, the method further comprises: and if the current battery pack electric energy filling time is longer than the last battery pack electric energy filling time, converting the full-power mode electrolytic tank into a low-power mode electrolytic tank, converting the low-power mode electrolytic tank into a standby mode electrolytic tank, and converting the standby mode electrolytic tank into a stop mode electrolytic tank.
According to another aspect of the embodiment of the present invention, there is also provided a control device for a wind-solar hydrogen production system, where the device is used in an energy storage hydrogen production system, and the energy storage hydrogen production system includes: an energy storage system, and a power generation device and a hydrogen production system connected with the energy storage system, wherein the device comprises: the acquisition module is used for acquiring the electric energy generated by the power generation equipment, wherein the power generation equipment comprises: wind power generators and photovoltaic power 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 can complete hydrogen production by adopting an electrolytic tank.
According to another aspect of the embodiment of the present invention, there is further provided a computer readable storage medium, where the computer readable storage medium includes a stored program, and when the program runs, the device where the computer readable storage medium is located is controlled to execute any one of the control methods of the energy-storage hydrogen production system described above.
According to another aspect of the embodiments of the present invention, there is also provided an electronic device including a memory having a computer program stored therein, and a processor configured to run the computer program to perform any one of the above-described control methods of the energy-storage hydrogen production system.
In an embodiment of the present invention, by obtaining electric energy generated by the power generation device, the power generation device includes: wind power generators and photovoltaic power generators; charging the energy storage system by adopting the electric energy; the energy storage system is adopted to supply power for 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 that the energy storage system supplies power to the electrolytic tank of the hydrogen production system and ensures stable operation of the whole hydrogen production system is achieved, and the technical problem that the electrolytic tank experiment electric energy fluctuation change is needed in the energy storage hydrogen production control method in the prior art, and the great potential safety hazard exists 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 embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a flow chart of a method for controlling hydrogen production by energy storage according to an embodiment of the invention;
FIG. 2 is a schematic diagram of an alternative energy storage hydrogen production system in accordance with an embodiment of the present invention;
FIG. 3 is a flowchart of an alternative energy storage system battery pack switching scheme according to an embodiment of the present invention;
FIG. 4 is a flow chart of a wind and 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 present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise 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, a method embodiment of energy storage hydrogen production control is provided, it being noted that the steps illustrated in the flow chart of the figures may be performed in a computer system, such as a set of computer executable instructions, and, although a logical sequence is illustrated in the flow chart, in some cases, the steps illustrated or described may be performed in a different order than that illustrated herein.
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, wherein the power generation equipment comprises: wind power generators and photovoltaic power generators;
step S104, charging the energy storage system by adopting the electric energy;
and S106, supplying power to the hydrogen production system by adopting the energy storage system so that the hydrogen production system can complete hydrogen production by adopting an electrolytic tank.
In the embodiment of the invention, the power generation equipment is adopted as a power generation end, renewable energy sources are converted into electric energy through the power generation end and stored in the energy storage system, the energy storage system is adopted to supply power to the hydrogen production system, and the electric energy is utilized by the electrolytic tank in the hydrogen production system to complete hydrogen production.
It should be noted that, the power generating end may include a plurality of power generating devices, the types of the power generating devices are not limited in particular, and the types of the power generating 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 instantaneous power supply fluctuation in a short time is absorbed into a long-time single energy storage system battery pack charging process.
The method for absorbing the electric energy fluctuation of the power generation end by using the energy storage system is different from the technical scheme that other systems in the related art directly connect wind power and photovoltaic to a hydrogen production system and absorb the instantaneous electric energy fluctuation in a short time by means of the control strategy of an electrolytic tank.
In the embodiment of the invention, the electric energy absorbed by the energy storage system after the electric power fluctuation is transmitted to the hydrogen production system, and the hydrogen production system completes hydrogen production by adopting an electrolytic tank 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 power generator and the photovoltaic power generator at the power generation end of the wind-light-storage 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 generated electric energy of the wind power generator and the photovoltaic power generator for producing hydrogen by the electrolytic tank, 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 charging the energy storage system with the electrical energy, the method comprises:
step S202, an AC/DC converter is used to convert the AC generated by the wind driven generator into DC.
In the embodiment of the invention, as shown in the schematic structural diagram of the energy-storage hydrogen production system in fig. 2, before the electric energy is used to charge the energy storage system, an ac/dc converter is used to convert the ac generated by the wind driven generator into dc.
In an alternative embodiment, the charging of the energy storage system using the electrical energy includes:
step S302, presetting a first number of battery packs, where the battery packs are disposed in the energy storage system, and each of the battery packs is configured to represent an operation mode of any one of the current charging states, where the operation modes include: full mode, empty mode, charge mode, discharge mode;
step S304, charging the plurality of battery packs by using the electric energy.
As an alternative embodiment, a first number of a plurality of battery packs are preset in the energy storage system before the energy storage hydrogen production system is started, each battery pack is used for representing an operating mode of any current charging state, and the operating modes include: full mode, empty mode, charge mode, discharge mode; and charging the energy storage system by adopting the electric energy, namely charging the plurality of battery packs by adopting 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 state 1 is a full-charge mode, that is, the electric power of the target battery pack is full, and is ready to be used; the state 2 is a discharging mode, namely that the power of the target battery pack is used up and is ready to be charged; the state 3 is a charging mode, namely that the electric power of the target battery pack is being charged and recovered, and the electric power source is 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 is supplying power to the hydrogen production system.
Optionally, as shown in a flowchart of a switching manner of the battery pack of the energy storage system in fig. 3, the working modes of the plurality of battery packs are switched from a full mode of state 1 to a discharge mode of state 4, from a discharge mode of state 4 to a discharge mode of state 2, from a discharge mode of state 2 to a charge mode of state 3, and from a charge mode of state 3 to a full mode of state 1.
In an alternative embodiment, the supplying power to the hydrogen production system using the energy storage system to enable the hydrogen production system to complete hydrogen production using an electrolyzer, includes:
step S402, presetting a second number of a plurality of electrolytic cells, wherein the plurality of electrolytic cells are arranged in the energy storage system, each electrolytic cell is used for representing an electrolytic mode of any current electrolytic state, and the electrolytic mode comprises: full power mode, low power mode, standby mode, shutdown mode;
step S404, transmitting the electric energy to the plurality of electrolytic tanks of the hydrogen production system, and completing hydrogen production by the plurality of electrolytic tanks by adopting the electric energy.
As an alternative embodiment, a second number of a plurality of electrolytic cells are provided in the hydrogen production system in advance before the energy storage hydrogen production system is started, each of the electrolytic cells being configured to represent an electrolysis mode of any one of the current electrolysis states, the electrolysis modes including: full power mode, low power mode, standby mode, shutdown mode; and transmitting the electric energy to a plurality of electrolytic tanks of the hydrogen production system, and completing hydrogen production by adopting the electric energy through the plurality of electrolytic tanks.
It should be noted that, the specific number of the plurality of the second electrolytic tanks may be changed according to the actual scale of the energy storage hydrogen production system, in the embodiment of the present invention, 4 electrolytic tanks are provided in the hydrogen production system, each electrolytic tank represents a state, and state 1 is a full power usage mode; state 2 is a low power usage mode; state 3 is standby enabled mode; state 4 is the shutdown mode.
In an alternative embodiment, the method further comprises:
step S502, obtaining the current battery pack electric energy full time and the last battery pack electric energy full time in the plurality of battery packs;
step S504, judging whether the current battery pack electric energy full time in the plurality of battery packs is equal to the previous battery pack electric energy full time;
step S506, if the current battery pack electric energy full time is equal to the previous battery pack electric energy full time, keeping the current working mode of the energy storage hydrogen production system to stably run.
In the embodiment of the present invention, when the energy storage hydrogen production system is running, the current battery pack electric energy full time T of the plurality of battery packs needs to be obtained Charging method And last battery pack power full time t Charging method The method comprises the steps of carrying out a first treatment on the surface of the Judging the relation between the current battery pack electric energy filling time and the last battery pack electric energy filling time in the plurality of battery packs; in the flow chart of the wind-solar hydrogen production system of the energy storage system shown in fig. 4, if the current battery pack power full time is equal to the previous battery pack power full time, namely T Charging method ＝t Charging method The power generation capacity of the power generation end has no obvious change, the instantaneous change in a short time is absorbed by the energy storage system, the system can be kept stable and unchanged, the system is an ideal operation mode, and the current operation mode of the energy storage hydrogen production system is kept to operate stably.
It should be noted that, the current battery pack power full time T Charging method ＝Wh Full of /P Power supply The above-mentioned last battery pack electric energy full time t Charging method ＝Wh Full of /P Power supply Wherein Wh Full of Indicating the full capacity of the target battery (at calculation T Charging method Time Wh Full of Indicating the full capacity of the current battery pack, at calculation t Charging method Time Wh Full of Representing the full capacity of the last battery pack), P Power supply Representing the power supply efficiency of the power generation end in the current time period.
Optionally, the working modes of the power generation end and the hydrogen production system can be judged in an auxiliary manner through the power consumption time of the battery pack, and the current battery pack power full time T Power consumption ＝Wh Full of /P Electrolytic cell The above-mentioned last battery pack electric energy full time t Power consumption ＝Wh Full of /P Electrolytic cell Wherein Wh Full of Indicating the full capacity of the target battery (at calculation T Power consumption Time Wh Full of Indicating the full capacity of the current battery pack, at calculation t Power consumption Time Wh Full of Representing the full capacity of the last battery pack), P Electrolytic cell Representing the electricity utilization efficiency of the electrolytic tank in the current time period; by comparison of T Power consumption And t Power consumption And the size relation of the energy storage hydrogen production system is used for adjusting the working mode of the energy storage hydrogen production system.
In an alternative embodiment, the method further comprises:
step S602, if the current battery pack power full time is less than the previous battery pack power full time, converting the low power mode electrolytic cell to a full power mode electrolytic cell, converting the standby mode electrolytic cell to a low power mode electrolytic cell, and converting the shutdown mode electrolytic cell to a standby mode electrolytic cell.
In the embodiment of the present invention, as shown in fig. 4, if the current battery pack power charge time is smaller than the last battery pack power charge time, i.e., T Charging method <t Charging method And the time for representing the full charge of the current battery pack is shorter than the time for the previous full charge process of the battery pack, the capacity of the power generation end is excessive, so that a large amount of power is backlogged in the energy storage system, the energy consumption power of the electrolytic cell is increased, the low-power mode electrolytic cell in the state 2 is required to be converted into the full-power mode electrolytic cell in the state 1, the standby mode electrolytic cell in the state 3 is converted into the low-power mode electrolytic cell in the state 2, and the shutdown mode electrolytic cell in the state 4 is converted into the standby mode electrolytic cell in the state 3.
In an alternative embodiment, the method further comprises:
step S702, if the current battery pack power full time is longer than the previous battery pack power full time, converting the full power mode electrolytic cell into a low power mode electrolytic cell, converting the low power mode electrolytic cell into a standby mode electrolytic cell, and converting the standby mode electrolytic cell into a shutdown mode electrolytic cell.
In the embodiment of the present invention, as shown in fig. 4, if the current battery pack power charge time is longer than the last battery pack power charge time, i.e., T Charging method >t Charging method And the time for representing the full charge of the current battery pack is longer than the time for the full charge of the last battery pack, the capacity of the power generation end is reduced, the power reserve consumption of the energy storage system is increased under the current working mode of the electrolytic tank of the hydrogen production system, the energy consumption power of the electrolytic tank is reduced, the full-power mode electrolytic tank in the state 1 is required to be converted into the low-power mode electrolytic tank in the state 2, the low-power mode electrolytic tank in the state 2 is required to be converted into the standby mode electrolytic tank in the state 3, and the standby mode electrolytic tank in the state 3 is converted into the stop mode electrolytic tank in the state 4.
It should be noted that, the battery components of the energy storage system are divided into 4 groups corresponding to 4 different working modes, namely a full mode, an empty mode, a charging mode and a discharging mode. The working modes of each battery pack are not less, the states can be 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, the instantaneous fluctuation is absorbed in the whole time period with the time interval of T (T can be according to T) Charging method Or T Power consumption To determine), effectively ensures the stable operation of the hydrogen production system; the electrolytic tank of the hydrogen production system is divided into 4 different electrolytic modes, the full time of each energy storage battery pack is compared with the full time of the last battery pack, 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 tank 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 power in the load valley period and release the power in the load peak period, the fluctuation of the wind power output can be smoothed by combined application with wind power, the time relationship of charging or power consumption is taken as a dividing node, and the power supply fluctuation is absorbed by the energy storage system, so that the power supply stability of the hydrogen production system is maintained. However, the reaction speed of the storage battery system in the related art is 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 carry out rapid tracking control on the output power.
According to an embodiment of the present invention, there is further provided an apparatus embodiment for implementing the above-mentioned control method for hydrogen production by energy storage, and fig. 5 is a schematic structural diagram of an apparatus for hydrogen production by energy storage according to an embodiment of the present invention, as shown in fig. 5, where the apparatus includes: an acquisition module 50, a charging module 52, and a power supply module 54, wherein:
an acquisition module 50, configured to acquire electric energy generated by the power generation device, where the power generation device includes: wind power generators and photovoltaic power generators;
the charging module 52 is configured to charge the energy storage system with the electrical 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 can complete hydrogen production by adopting an electrolytic tank.
Here, it should be noted that the above-mentioned obtaining module 50, charging module 52 and power supply module 54 correspond to steps S102 to S106 in embodiment 1, and the three modules are the same as the examples and application scenarios implemented by the corresponding steps, but are not limited to those disclosed in embodiment 1 above.
It should be noted that, the preferred implementation manner of this embodiment may be referred to the related description in embodiment 1, and will not be repeated here.
According to an embodiment of the present invention, there is also provided an embodiment of a computer-readable storage medium. Alternatively, in this embodiment, the above-described computer-readable storage medium may be used to store the program code executed by the energy storage hydrogen production control method provided in embodiment 1 described above.
Alternatively, in this embodiment, the above-mentioned computer-readable storage medium may be located in any one of the computer terminals in the computer terminal group in the computer network, or in any one of the mobile terminals in the mobile terminal group.
Optionally, in the present embodiment, the computer readable storage medium is configured to store program code for performing the steps of: obtaining electric energy generated by the power generation equipment, wherein the power generation equipment comprises: wind power generators and photovoltaic power generators; charging the energy storage system by adopting 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 tank to complete hydrogen production.
Optionally, the above computer readable storage medium may further execute program code for: an alternating current/direct current converter is adopted to convert alternating current generated by the wind driven generator into direct current.
Optionally, the above computer readable storage medium may further execute program code for: a first number of battery packs are preset, wherein the battery packs are arranged in the energy storage system, each battery pack is used for representing an operating mode of any one current charging state, and the operating modes comprise: full mode, empty mode, charge mode, discharge mode; and charging the plurality of battery packs by using the electric energy.
Optionally, the above computer readable storage medium may further execute program code for: a second number of a plurality of electrolytic cells are preset, wherein the plurality of electrolytic cells are arranged in the energy storage system, each of the plurality of electrolytic cells is used for representing an electrolytic mode of any current electrolytic state, and the electrolytic mode comprises: full power mode, low power mode, standby mode, shutdown mode; and transmitting the electric energy to a plurality of electrolytic tanks of the hydrogen production system, and completing hydrogen production by adopting the electric energy through the plurality of electrolytic tanks.
Optionally, the above computer readable storage medium may further execute program code for: acquiring the current battery pack electric energy full time and the last battery pack electric energy full time in the plurality of battery packs; judging whether the current battery pack electric energy full time in the plurality of battery packs is equal to the previous battery pack electric energy full time or not; and if the current battery pack electric energy filling time is equal to the previous battery pack electric energy filling time, keeping the current working mode of the energy storage hydrogen production system to stably operate.
Optionally, the above computer readable storage medium may further execute program code for: and if the current battery pack electric energy filling time is smaller than the last battery pack electric energy filling time, converting the low-power mode electrolytic tank into a full-power mode electrolytic tank, converting the standby mode electrolytic tank into a low-power mode electrolytic tank, and converting the shutdown mode electrolytic tank into a standby mode electrolytic tank.
Optionally, the above computer readable storage medium may further execute program code for: and if the current battery pack electric energy filling time is longer than the last battery pack electric energy filling time, converting the full-power mode electrolytic tank into a low-power mode electrolytic tank, converting the low-power mode electrolytic tank into a standby mode electrolytic tank, and converting the standby mode electrolytic tank into a stop mode electrolytic tank.
According to an embodiment of the present invention, there is also provided an embodiment of a processor. Alternatively, in this embodiment, the above-described computer-readable storage medium may be used to store the program code executed by the energy storage hydrogen production control method provided in embodiment 1 described above.
The embodiment of the application provides an electronic device, which comprises a processor, a memory and a program stored on the memory and capable of running on the processor, wherein the following steps are realized when the processor executes the program: obtaining electric energy generated by the power generation equipment, wherein the power generation equipment comprises: wind power generators and photovoltaic power generators; charging the energy storage system by adopting 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 tank to complete hydrogen production.
The present application also provides a computer program product adapted to perform, when executed on a data processing device, a program initialized with the method steps of: obtaining electric energy generated by the power generation equipment, wherein the power generation equipment comprises: wind power generators and photovoltaic power generators; charging the energy storage system by adopting 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 tank to complete hydrogen production.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
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 may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform 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, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (6)
1. An energy storage hydrogen production control method, 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 hydrogen production system connected to the energy storage system, the method comprising:
obtaining electric energy generated by the power generation equipment, wherein the power generation equipment comprises: wind power generators and photovoltaic power generators;
charging the energy storage system with the electrical energy;
the energy storage system is adopted to supply power to the hydrogen production system, so that the hydrogen production system adopts an electrolytic tank to complete hydrogen production;
wherein, adopt the electric energy to charge for energy storage system, include:
a first number of battery packs are preset, wherein the battery packs are arranged in the energy storage system, each battery pack is used for representing an operating mode of any one current charging state, and the operating modes comprise: full mode, empty mode, charge mode, discharge mode;
charging the plurality of battery packs with the electrical energy;
wherein, adopt energy storage system for hydrogen manufacturing system power supply, so that hydrogen manufacturing system adopts the electrolysis trough to accomplish hydrogen manufacturing, include:
presetting a second number of a plurality of electrolytic cells, wherein the plurality of electrolytic cells are arranged in the energy storage system, each electrolytic cell is used for representing an electrolytic mode of any current electrolytic state, and the electrolytic mode comprises: full power mode, low power mode, standby mode, shutdown mode;
transmitting the electric energy to a plurality of electrolytic tanks of the hydrogen production system, and completing hydrogen production by adopting the electric energy through the plurality of electrolytic tanks;
acquiring the current battery pack electric energy full time and the last battery pack electric energy full time in the plurality of battery packs;
judging whether the current battery pack electric energy full time in the plurality of battery packs is equal to the previous battery pack electric energy full time or not;
if the current battery pack electric energy filling time is equal to the last battery pack electric energy filling time, keeping the current working mode of the energy storage hydrogen production system to stably run;
and if the current battery pack electric energy filling time is smaller than the last battery pack electric energy filling time, converting the low-power mode electrolytic tank into a full-power mode electrolytic tank, converting the standby mode electrolytic tank into a low-power mode electrolytic tank, and converting the shutdown mode electrolytic tank into a standby mode electrolytic tank.
2. The method of claim 1, comprising, prior to charging an energy storage system with the electrical energy:
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 according to claim 1, wherein the method further comprises:
and if the current battery pack electric energy filling time is longer than the last battery pack electric energy filling time, converting the full-power mode electrolytic tank into a low-power mode electrolytic tank, converting the low-power mode electrolytic tank into a standby mode electrolytic tank, and converting the standby mode electrolytic tank into a stop mode electrolytic tank.
4. A control device for a wind-solar hydrogen production system, the device being for an energy storage hydrogen production system, the energy storage hydrogen production system comprising: an energy storage system, and a power generation device and hydrogen production system connected with the energy storage system, the apparatus comprising:
the acquisition module is used for acquiring the electric energy generated by the power generation equipment, wherein the power generation equipment comprises: wind power generators and photovoltaic power generators;
the charging module is used for charging the energy storage system by adopting the electric energy;
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 can complete hydrogen production by adopting an electrolytic tank;
the charging module is configured to preset a first number of battery packs, where the battery packs are disposed in the energy storage system, and each battery pack is configured to represent an operation mode of any one of the current charging states, and the operation modes include: full mode, empty mode, charge mode, discharge mode; charging the plurality of battery packs with the electrical energy;
the power supply module is used for presetting a plurality of electrolytic tanks of a second quantity, wherein the plurality of electrolytic tanks are arranged in the energy storage system, each electrolytic tank is used for representing an electrolytic mode of any one current electrolytic state, and the electrolytic mode comprises: full power mode, low power mode, standby mode, shutdown mode; transmitting the electric energy to a plurality of electrolytic tanks of the hydrogen production system, and completing hydrogen production by adopting the electric energy through the plurality of electrolytic tanks;
the power supply module is used for acquiring the current battery pack electric energy full time and the last battery pack electric energy full time in the plurality of battery packs; judging whether the current battery pack electric energy full time in the plurality of battery packs is equal to the previous battery pack electric energy full time or not; if the current battery pack electric energy filling time is equal to the last battery pack electric energy filling time, keeping the current working mode of the energy storage hydrogen production system to stably run; and if the current battery pack electric energy filling time is smaller than the last battery pack electric energy filling time, converting the low-power mode electrolytic tank into a full-power mode electrolytic tank, converting the standby mode electrolytic tank into a low-power mode electrolytic tank, and converting the shutdown mode electrolytic tank into a standby mode electrolytic tank.
5. A computer-readable storage medium, characterized in that the computer-readable storage medium includes a stored program, wherein the program, when run, controls a device in which the computer-readable storage medium is located to perform the energy-storage hydrogen production control method as claimed in any one of claims 1 to 3.
6. An electronic device comprising a memory and a processor, wherein the memory has a computer program stored therein, the processor being configured to run the computer program to perform the stored energy hydrogen production control method of any one of claims 1 to 3.
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