CN117477633A - Photovoltaic hydrogen production management method, system, device, storage medium and equipment - Google Patents
Photovoltaic hydrogen production management method, system, device, storage medium and equipment Download PDFInfo
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- CN117477633A CN117477633A CN202310781146.3A CN202310781146A CN117477633A CN 117477633 A CN117477633 A CN 117477633A CN 202310781146 A CN202310781146 A CN 202310781146A CN 117477633 A CN117477633 A CN 117477633A
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 135
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 135
- 239000001257 hydrogen Substances 0.000 title claims abstract description 135
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 130
- 238000007726 management method Methods 0.000 title abstract description 43
- 238000010248 power generation Methods 0.000 claims abstract description 94
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000005056 compaction Methods 0.000 claims description 34
- 230000005611 electricity Effects 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 11
- 238000005868 electrolysis reaction Methods 0.000 claims description 9
- 238000004590 computer program Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 4
- 230000002618 waking effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 4
- 230000005236 sound signal Effects 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- KLDZYURQCUYZBL-UHFFFAOYSA-N 2-[3-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCN=CC1=CC=CC=C1O KLDZYURQCUYZBL-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 201000001098 delayed sleep phase syndrome Diseases 0.000 description 1
- 208000033921 delayed sleep phase type circadian rhythm sleep disease Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011160 research Methods 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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/388—Islanding, i.e. disconnection of local power supply from the network
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- 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
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
- H02J3/144—Demand-response operation of the power transmission or distribution network
-
- 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
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
Abstract
The present disclosure relates to a photovoltaic hydrogen production management method, system, device, storage medium and apparatus, the method comprising: acquiring photovoltaic power generation power of a photovoltaic hydrogen production system; acquiring rated power and real-time power of a load of a photovoltaic hydrogen production system; and controlling the operation mode of the photovoltaic hydrogen production system according to the photovoltaic power generation power, the rated power and the real-time power of the load. The embodiment of the disclosure can solve the problem of unstable hydrogen production system caused by larger fluctuation of the photovoltaic power generation power.
Description
Technical Field
The disclosure relates to the technical field of photovoltaic hydrogen production, in particular to a photovoltaic hydrogen production management method, a system, a device, a storage medium and equipment.
Background
Under the double-carbon target, the technology of generating hydrogen by using new energy is emerging, wherein the photovoltaic power generation hydrogen production is a main research application direction. However, the photovoltaic power generation system is greatly affected by meteorological environment, when weather changes such as clouds appear, the photovoltaic power generation power can be greatly fluctuated, at the moment, the water electrolysis hydrogen production system is used as a load, and the purity of the produced hydrogen can not meet the requirement. In addition, when the photovoltaic power generation power fluctuates severely in a short time, the load-end hydrogen production system cannot be adjusted in time, impact can be generated on the hydrogen production power supply and the electrolytic tank, and even the hydrogen production power supply and the electrolytic tank are possibly damaged due to frequent shutdown.
How to restrain and eliminate the influence of photovoltaic power generation power fluctuation on a hydrogen production system has not been proposed at present.
Disclosure of Invention
The invention aims to provide a photovoltaic hydrogen production management method, a system, a device, a storage medium and equipment, which can enable a hydrogen production system and a photovoltaic power generation system to realize dynamic power matching, relieve the influence of new energy photovoltaic power generation output power fluctuation on the working stability of the hydrogen production system and prolong the service life of an electrolytic tank.
To achieve the above object, according to a first aspect of embodiments of the present disclosure, there is provided a photovoltaic hydrogen production management method, the method including:
acquiring photovoltaic power generation power of a photovoltaic hydrogen production system;
acquiring rated power and real-time power of a load of the photovoltaic hydrogen production system;
and controlling the operation mode of the photovoltaic hydrogen production system according to the photovoltaic power generation power, the rated power and the real-time power of the load.
Optionally, the load includes: high voltage load, low voltage load and permanent load;
the high pressure load comprises a plurality of groups of electrolysis cells, the low pressure load comprises a hydrogen production low pressure load, and the permanent load comprises a non-production low pressure load.
Optionally, the photovoltaic power generation power is obtained by a first electricity meter;
the obtaining rated power and real-time power of a load of the photovoltaic hydrogen production system comprises the following steps:
obtaining high-voltage rated power and high-compaction power of the high-voltage load, wherein the high-compaction power is obtained by a second ammeter;
obtaining low-voltage rated power and low-compaction-time power of the low-voltage load, wherein the low-compaction-time power is obtained by a third ammeter;
and obtaining the permanent rated power and the permanent real-time power of the permanent load, wherein the permanent real-time power is obtained by a fourth ammeter.
Optionally, the high voltage rated power is greater than the low voltage rated power, and the low voltage rated power is greater than the permanent rated power.
Optionally, the controlling the operation mode of the photovoltaic hydrogen production system according to the photovoltaic power generation power, the rated power and the real-time power of the load includes:
and waking up the low-voltage load and starting the third electric meter and the fourth electric meter under the condition that the photovoltaic power generation power is larger than the sum of the low-voltage rated power and the permanent rated power.
Optionally, the controlling the operation mode of the photovoltaic hydrogen production system according to the photovoltaic power generation power, the rated power and the real-time power of the load includes:
and under the condition that the photovoltaic power generation power is larger than the sum of the high-voltage rated power, the low-voltage rated power and the permanent rated power, starting the high-voltage load and the second ammeter.
Optionally, the controlling the operation mode of the photovoltaic hydrogen production system according to the photovoltaic power generation power, the rated power and the real-time power of the load includes:
and controlling the photovoltaic hydrogen production system to keep full-power operation under the condition that the photovoltaic power generation power is larger than the sum of the high compaction time power, the low compaction time power, the permanent real-time power and the power allowance, wherein the power allowance is a parameter related to the high-voltage rated power.
Optionally, the controlling the operation mode of the photovoltaic hydrogen production system according to the photovoltaic power generation power, the rated power and the real-time power of the load includes:
and controlling the photovoltaic hydrogen production system to run in a power reduction mode under the condition that the photovoltaic power generation power is smaller than or equal to the sum of the high compaction time power, the low compaction time power, the permanent real-time power and the power allowance, wherein the power allowance is a parameter related to the high-voltage rated power.
According to a second aspect of embodiments of the present disclosure, there is provided a photovoltaic hydrogen production system, the system comprising: the system comprises a photovoltaic power generation module, a high-voltage load module, a low-voltage load module, a permanent load module and a management system;
the photovoltaic power generation module is connected with the high-voltage load module, the low-voltage load module and the permanent load module through high-voltage buses, and the management system is respectively in communication connection with the photovoltaic power generation module, the high-voltage load module, the low-voltage load module and the permanent load module;
the photovoltaic power generation module comprises a photovoltaic array, a photovoltaic inverter, a first transformer and a first ammeter which are sequentially connected in series, and is used for generating photovoltaic power generation;
the high-voltage load module comprises a second ammeter, a plurality of groups of hydrogen production power supplies and a plurality of groups of electrolytic tanks which are sequentially connected in series, and is used for electrolyzing hydrogen production main equipment, wherein the plurality of groups of hydrogen production power supplies comprise a second transformer and an AC/DC converter;
the low-voltage load module comprises a third ammeter, a first switch cabinet and a first factory transformer which are sequentially connected in series, and is used for producing hydrogen and low-voltage load, and the low-voltage load module is used for electrolytic hydrogen production auxiliary equipment;
the permanent load module comprises a fourth ammeter, a second switch cabinet and a second factory transformer which are sequentially connected in series, and is used for non-production type factory equipment.
According to a third aspect of embodiments of the present disclosure, there is provided a photovoltaic hydrogen production management apparatus, the apparatus comprising:
the first acquisition module is used for acquiring the photovoltaic power generation power of the photovoltaic hydrogen production system;
the second acquisition module is used for acquiring rated power and real-time power of a load of the photovoltaic hydrogen production system;
and the control module is used for controlling the operation mode of the photovoltaic hydrogen production system according to the photovoltaic power generation power, the rated power and the real-time power of the load.
According to a fourth aspect of embodiments of the present disclosure, there is provided a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method of any of the first aspects.
According to a fifth aspect of embodiments of the present disclosure, there is provided an electronic device, comprising:
a memory having a computer program stored thereon;
a processor for executing the computer program in the memory to implement the steps of the method of any of the first aspects.
In summary, embodiments of the present disclosure provide a photovoltaic hydrogen production management method, which includes: acquiring photovoltaic power generation power of a photovoltaic hydrogen production system; acquiring rated power and real-time power of a load of the photovoltaic hydrogen production system; and controlling the operation mode of the photovoltaic hydrogen production system according to the photovoltaic power generation power, the rated power and the real-time power of the load. According to the embodiment of the disclosure, the dynamic power matching of the hydrogen production system and the photovoltaic power generation system can be realized, the influence of the fluctuation of the output power of the new energy photovoltaic power generation on the working stability of the hydrogen production system is relieved, and the service life of the electrolytic tank is prolonged.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
fig. 1 is a schematic diagram of a photovoltaic hydrogen production system, according to an example embodiment.
Fig. 2 is a flow chart illustrating a method of photovoltaic hydrogen production management, according to an example embodiment.
Fig. 3 is a flow chart illustrating a method of photovoltaic hydrogen production management, according to an exemplary embodiment.
Fig. 4 is a flow chart illustrating a method of photovoltaic hydrogen production management, according to an example embodiment.
Fig. 5 is a block diagram illustrating a photovoltaic hydrogen production management apparatus according to an example embodiment.
Fig. 6 is a block diagram of an electronic device 700, according to an example embodiment.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
It should be noted that, all actions for acquiring signals, information or data in the present disclosure are performed under the condition of conforming to the corresponding data protection rule policy of the country of the location and obtaining the authorization given by the owner of the corresponding device.
It should be understood that the various steps recited in the method embodiments of the present disclosure may be performed in a different order and/or performed in parallel. Furthermore, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the present disclosure is not limited in this respect.
The term "including" and variations thereof as used herein are intended to be open-ended, i.e., including, but not limited to. The term "based on" is based at least in part on. The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments. Related definitions of other terms will be given in the description below.
It should be noted that the terms "first," "second," "third," "fourth," and the like in this disclosure are merely used for distinguishing between different devices, modules, or units and not for limiting the order or interdependence of the functions performed by these devices, modules, or units.
It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise. In the description of the present disclosure, unless otherwise indicated, "a plurality" means two or more than two, and other adjectives are similar thereto; "at least one item", "an item" or "a plurality of items" or the like, refer to any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (a) may represent any number a; as another example, one (or more) of a, b, and c may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or plural; "and/or" is an association relationship describing an association object, meaning that there may be three relationships, e.g., a and/or B, which may represent: there are three cases, a alone, a and B together, and B alone, wherein a, B may be singular or plural.
Although operations or steps are described in a particular order in the figures in the disclosed embodiments, it should not be understood as requiring that such operations or steps be performed in the particular order shown or in sequential order, or that all illustrated operations or steps be performed, to achieve desirable results. In embodiments of the present disclosure, these operations or steps may be performed serially; these operations or steps may also be performed in parallel; some of these operations or steps may also be performed.
The present disclosure is described below in connection with specific embodiments.
First, an application scenario of the present disclosure will be described. Fig. 1 is a schematic diagram of a photovoltaic hydrogen production system, according to an example embodiment. As shown in fig. 1, an embodiment of the present disclosure provides a photovoltaic hydrogen production system, comprising: the photovoltaic power generation module 10, the high-voltage load module 20, the low-voltage load module 30, the permanent load module 40 and the management system 50, wherein the photovoltaic power generation module 10 is connected with the high-voltage load module 20, the low-voltage load module 30 and the permanent load module 40 through high-voltage buses, and the management system 50 is respectively in communication connection with the photovoltaic power generation module 10, the high-voltage load module 20, the low-voltage load module 30 and the permanent load module 40 and is used for controlling power of the high-voltage load module 20, the low-voltage load module 30 and the permanent load module 40. The photovoltaic power generation module 10 includes a photovoltaic array 101, a photovoltaic inverter 102, a first transformer 103 and a first electricity meter 104 sequentially connected in series, the photovoltaic power generation module 10 is configured to generate photovoltaic power, the high voltage load module 20 includes a second electricity meter 201, a plurality of hydrogen generation power supply 202 and a plurality of electrolysis cells 203 sequentially connected in series, the high voltage load module 20 is configured to electrolyze hydrogen generation main equipment, the electrolysis hydrogen generation main equipment may be a hydrogen generation power supply and an electrolysis cell high voltage power supply, the plurality of hydrogen generation power supply 202 includes a second transformer 2021 and an AC/DC converter 2022, the low voltage load module 30 includes a third electricity meter 301, a first switch cabinet 302 and a first factory transformer 302 sequentially connected in series, the hydrogen generation low voltage load 304, the low voltage load module 30 is configured to electrolyze hydrogen generation auxiliary equipment, the electrolysis hydrogen generation auxiliary equipment may be a cooling fan, and the permanent load module 40 includes a fourth electricity meter 401, a second switch cabinet 402 and a second factory transformer 403 sequentially connected in series, and the non-production low voltage load 404 is configured to be a permanent load module 40 is configured to non-production factory equipment. By way of example, the non-production facility may be a door access, lighting, machine room, etc. The management system 50 controls the operation mode of the photovoltaic hydrogen production system according to the real-time power of the photovoltaic power generation, the rated power of the high-voltage load module 20, the rated power of the low-voltage load module 30 and the rated power of the permanent load module 40, and the real-time power acquired by the first ammeter 104, so that the dynamic power matching of the hydrogen production system and the photovoltaic power generation system can be realized, the influence of the fluctuation of the output power of the new energy photovoltaic power generation on the working stability of the hydrogen production system is relieved, and the service life of the electrolytic tank is prolonged.
Fig. 2 is a flow chart illustrating a method of photovoltaic hydrogen production management, according to an example embodiment. As shown in fig. 2, an embodiment of the present disclosure provides a photovoltaic hydrogen production management method, which may include the steps of:
in step S210, the photovoltaic power generation power of the photovoltaic hydrogen production system is obtained.
In this step, the management system 50 acquires real-time generated power of the photovoltaic power generation module 10 through the first electricity meter 104.
In step S220, the rated power and the real-time power of the load of the photovoltaic hydrogen production system are obtained.
In this step, the management system 50 obtains rated power of the high voltage load module 20, the low voltage load module 30 and the permanent load module 40 through the database of the system itself, obtains real-time power of the high voltage load module 20 through the second electric meter 201, obtains real-time power of the low voltage load module 30 through the third electric meter 301 and obtains real-time power of the permanent load module 40 through the fourth electric meter 401.
In step S230, the operation mode of the photovoltaic hydrogen production system is controlled according to the photovoltaic power generation power, the rated power and the real-time power of the load.
In this step, the management system 50 dynamically adjusts the real-time power of the high-voltage load module 20 and the low-voltage load module 30 according to the real-time power of the photovoltaic power generation module 10 and the rated power of the high-voltage load module 20, the low-voltage load module 30 and the permanent load module 40, so that the photovoltaic real-time power generation power is matched with the real-time power of the load, thereby inhibiting and eliminating the influence of the fluctuation of the photovoltaic power generation power on the hydrogen production system, reducing the start-stop times of the electrolytic tank, and prolonging the service life of the electrolytic tank.
In summary, embodiments of the present disclosure provide a photovoltaic hydrogen production management method, which includes: acquiring photovoltaic power generation power of a photovoltaic hydrogen production system; acquiring rated power and real-time power of a load of the photovoltaic hydrogen production system; and controlling the operation mode of the photovoltaic hydrogen production system according to the photovoltaic power generation power, the rated power and the real-time power of the load. According to the embodiment of the disclosure, the dynamic power matching of the hydrogen production system and the photovoltaic power generation system can be realized, the influence of the fluctuation of the output power of the new energy photovoltaic power generation on the working stability of the hydrogen production system is relieved, and the service life of the electrolytic tank is prolonged.
As shown in fig. 1, the load includes: a high voltage load comprising a plurality of sets of electrolysis cells 203, a low voltage load comprising hydrogen producing low voltage load 304, and a permanent load comprising non-productive low voltage load 404. The photovoltaic power generation power is obtained by the first electricity meter 104. The high voltage rated power of the high voltage load is greater than the low voltage rated power of the low voltage load, which is greater than the permanent rated power of the permanent load. Fig. 3 is a flow chart illustrating a method of photovoltaic hydrogen production management, according to an exemplary embodiment. As shown in fig. 3, the photovoltaic hydrogen production management method provided by the embodiment of the disclosure may include the following steps:
in step S2201, a high voltage rated power and a high compaction time power of the high voltage load are obtained, the high compaction time power being obtained by a second electric meter.
In this step, the management system 50 acquires the high-voltage rated power of the high-voltage load according to its own system database, and acquires the high-compaction-time power value of the high-voltage load through the second electricity meter 201.
In step S2202, a low-voltage rated power and a low-compaction-time power of the low-voltage load are obtained, the low-compaction-time power being obtained by a third electric meter.
In this step, the management system 50 acquires the low-voltage rated power of the low-voltage load according to its own system database, and acquires the low-compaction-time power value of the low-voltage load through the third electricity meter 301.
In step S2203, a permanent rated power and a permanent real-time power of the permanent load are obtained, the permanent real-time power being obtained by a fourth electric meter.
In this step, the management system 50 obtains the permanent rated power of the permanent load according to its own system database, and obtains the permanent real-time power value of the permanent load through the fourth electric meter 401.
Fig. 4 is a flow chart illustrating a method of photovoltaic hydrogen production management, according to an example embodiment. As shown in fig. 4, the photovoltaic hydrogen production management method provided by the embodiment of the present disclosure may include the following steps:
in step S2301, in the case where the photovoltaic power generation power is greater than the sum of the low voltage rated power and the permanent rated power, the low voltage load is awakened, and the third electric meter and the fourth electric meter are started.
In this step, the management system 50 wakes up the hydrogen production low voltage load 304 of the low voltage load and starts the third electricity meter 301 and the fourth electricity meter 401 to obtain the low compaction time power and the permanent real time power when the photovoltaic real time generated power is greater than the sum of the low voltage rated power and the permanent rated power, and both the low voltage load and the permanent load are put into operation.
In step S2302, the high voltage load and the second electricity meter are turned on when the photovoltaic power generation power is greater than the sum of the high voltage rated power, the low voltage rated power, and the permanent rated power.
In this step, the management system 50 turns on the plurality of sets of the electrolytic cells 203 and the second electricity meter 201 for high voltage load to obtain high compaction time power when the photovoltaic real-time generated power is greater than the sum of the high voltage rated power, the low voltage rated power and the permanent rated power, and the low voltage load, the permanent load and the high voltage load are all put into operation.
In step S2303, the photovoltaic hydrogen production system is controlled to maintain full power operation if the photovoltaic power generation power is greater than the sum of the high compaction time power, the low compaction time power, the permanent real time power, and a power margin, wherein the power margin is a parameter related to the high voltage rated power.
In this step, the management system 50 controls the photovoltaic hydrogen production system to maintain full power operation, i.e., the high voltage load multi-group electrolyzer 203 to perform full power operation, in the case that the photovoltaic real-time generated power is greater than the sum of the high compaction time power, the low compaction time power, the permanent real-time power, and the power margin, which may be 30% of the high voltage rated power, by way of example, the parameter related to the high voltage rated power.
In step S2304, controlling the photovoltaic hydrogen production system to run at a reduced power if the photovoltaic power generation power is less than or equal to the sum of the high compaction time power, the low compaction time power, the permanent real-time power, and a power margin, wherein the power margin is a parameter related to the high voltage rated power.
In this step, the management system 50 controls the photovoltaic hydrogen production system to perform power down operation, i.e., the power down operation of the plurality of groups of the electrolytic cells 203 of the high-voltage load, in the case where the photovoltaic real-time generated power is less than or equal to the sum of the high-compaction time power, the low-compaction time power, the permanent real-time power, and the power margin, which is a parameter related to the high-voltage rated power, for example, the power margin may be 30% of the high-voltage rated power. Because the strategy of power reduction operation of the electrolytic tank is adopted when the photovoltaic real-time power generation power is reduced, the electrolytic tank does not need to be frequently closed, thus overcoming the influence of power fluctuation of the photovoltaic power generation system on the stability of the photovoltaic hydrogen production system, reducing the start-stop times of the electrolytic tank and prolonging the service life of the electrolytic tank.
In summary, embodiments of the present disclosure provide a photovoltaic hydrogen production management method, which includes: and when the photovoltaic power generation power is larger than the sum of the low-voltage rated power and the permanent rated power, waking up the low-voltage load, starting the third electric meter and the fourth electric meter, when the photovoltaic power generation power is larger than the sum of the high-voltage rated power, the low-voltage rated power and the permanent rated power, starting the high-voltage load and the second electric meter, and when the photovoltaic power generation power is larger than the sum of the high-compaction power, the low-compaction power, the permanent real-time power and the power allowance, controlling the photovoltaic hydrogen production system to keep full-power operation, and when the photovoltaic power generation power is smaller than or equal to the sum of the high-compaction power, the low-compaction power, the permanent real-time power and the power allowance, controlling the photovoltaic hydrogen production system to reduce power operation, wherein the power allowance is a parameter related to the high-voltage rated power. According to the embodiment of the disclosure, due to the fact that related loads are gradually opened when the photovoltaic real-time power generation power gradually rises, the strategy of power reduction operation of the electrolytic cell is adopted when the photovoltaic real-time power generation power is reduced, and the electrolytic cell does not need to be frequently closed/opened, the influence of power fluctuation of the photovoltaic power generation system on the stability of the photovoltaic hydrogen production system is overcome, the start-stop times of the electrolytic cell are reduced, dynamic power matching of the hydrogen production system and the photovoltaic power generation system can be achieved, the influence of new energy photovoltaic power generation output power fluctuation on the working stability of the hydrogen production system is relieved, and the service life of the electrolytic cell is prolonged.
Fig. 5 is a block diagram illustrating a photovoltaic hydrogen production management apparatus according to an example embodiment. As shown in fig. 5, the photovoltaic hydrogen production management apparatus provided by the embodiment of the present disclosure may include the following modules:
the first obtaining module 510 is configured to obtain photovoltaic power of the photovoltaic hydrogen production system;
a second obtaining module 520, configured to obtain rated power and real-time power of a load of the photovoltaic hydrogen production system;
and the control module 530 is used for controlling the operation mode of the photovoltaic hydrogen production system according to the photovoltaic power generation power, the rated power and the real-time power of the load.
Optionally, the load includes: high voltage load, low voltage load and permanent load;
the high pressure load comprises a plurality of groups of electrolysis cells, the low pressure load comprises a hydrogen production low pressure load, and the permanent load comprises a non-production low pressure load.
Optionally, the first obtaining module 510 is configured to obtain the photovoltaic power generation power from a first electric meter.
Optionally, a second obtaining module 520 is configured to obtain a high voltage rated power and a high compaction time power of the high voltage load, where the high compaction time power is obtained by a second electric meter;
obtaining low-voltage rated power and low-compaction-time power of the low-voltage load, wherein the low-compaction-time power is obtained by a third ammeter;
and obtaining the permanent rated power and the permanent real-time power of the permanent load, wherein the permanent real-time power is obtained by a fourth ammeter.
Optionally, the high voltage rated power is greater than the low voltage rated power, and the low voltage rated power is greater than the permanent rated power.
Optionally, the control module 530 is configured to wake up the low voltage load and start up the third electric meter and the fourth electric meter if the photovoltaic power generation power is greater than the sum of the low voltage rated power and the permanent rated power.
Optionally, the control module 530 is configured to turn on the high voltage load and the second electric meter when the photovoltaic power generation power is greater than a sum of the high voltage rated power, the low voltage rated power, and the permanent rated power.
Optionally, a control module 530 is configured to control the photovoltaic hydrogen production system to maintain full power operation if the photovoltaic power generation power is greater than a sum of the high compaction time power, the low compaction time power, the permanent real time power, and a power margin, where the power margin is a parameter related to the high voltage rated power.
Optionally, the control module 530 is configured to control the power-down operation of the photovoltaic hydrogen production system when the photovoltaic power generation power is less than or equal to a sum of the high compaction time power, the low compaction time power, the permanent real-time power, and a power margin, where the power margin is a parameter related to the high voltage rated power.
In summary, embodiments of the present disclosure provide a photovoltaic hydrogen production management device, including: the system comprises a first acquisition module, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring the photovoltaic power generation power of a photovoltaic hydrogen production system, the second acquisition module is used for acquiring the rated power and the real-time power of a load of the photovoltaic hydrogen production system, and the control module is used for controlling the operation mode of the photovoltaic hydrogen production system according to the photovoltaic power generation power and the rated power and the real-time power of the load. According to the embodiment of the disclosure, the dynamic power matching of the hydrogen production system and the photovoltaic power generation system can be realized, the influence of the fluctuation of the output power of the new energy photovoltaic power generation on the working stability of the hydrogen production system is relieved, and the service life of the electrolytic tank is prolonged.
The specific manner in which the various modules perform the operations in the apparatus of the above embodiments have been described in detail in connection with the embodiments of the method, and will not be described in detail herein.
Fig. 6 is a block diagram of an electronic device 700, according to an example embodiment. As shown in fig. 6, the electronic device 700 may be a management system 50 comprising: a processor 701, a memory 702. The electronic device 700 may also include one or more of a multimedia component 703, an input/output (I/O) interface 704, and a communication component 705.
Wherein the processor 701 is configured to control the overall operation of the electronic device 700 to perform all or part of the steps in the above-described photovoltaic hydrogen production management method. The memory 702 is used to store various types of data to support operation on the electronic device 700, which may include, for example, instructions for any application or method operating on the electronic device 700, as well as application-related data, such as contact data, messages sent and received, pictures, audio, video, and so forth. The Memory 702 may be implemented by any type or combination of volatile or non-volatile Memory devices, such as static random access Memory (Static Random Access Memory, SRAM for short), electrically erasable programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM for short), erasable programmable Read-Only Memory (Erasable Programmable Read-Only Memory, EPROM for short), programmable Read-Only Memory (Programmable Read-Only Memory, PROM for short), read-Only Memory (ROM for short), magnetic Memory, flash Memory, magnetic disk, or optical disk. The multimedia component 703 can include a screen and an audio component. Wherein the screen may be, for example, a touch screen, the audio component being for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signals may be further stored in the memory 702 or transmitted through the communication component 705. The audio assembly further comprises at least one speaker for outputting audio signals. The I/O interface 704 provides an interface between the processor 701 and other interface modules, which may be a keyboard, mouse, buttons, etc. These buttons may be virtual buttons or physical buttons. The communication component 705 is for wired or wireless communication between the electronic device 700 and other devices. Wireless communication, such as Wi-Fi, bluetooth, near field communication (Near Field Communication, NFC for short), 2G, 3G, 4G, NB-IOT, eMTC, or other 5G, etc., or one or a combination of more of them, is not limited herein. The corresponding communication component 705 may thus comprise: wi-Fi module, bluetooth module, NFC module, etc.
In an exemplary embodiment, the electronic device 700 may be implemented by one or more application specific integrated circuits (Application Specific Integrated Circuit, abbreviated ASIC), digital signal processor (Digital Signal Processor, abbreviated DSP), digital signal processing device (DigitalSignal Processing Device, abbreviated DSPD), programmable logic device (Programmable Logic Device, abbreviated PLD), field programmable gate array (Field Programmable Gate Array, abbreviated FPGA), controller, microcontroller, microprocessor, or other electronic components for performing the above-described photovoltaic hydrogen production management method.
In another exemplary embodiment, a computer readable storage medium is also provided that includes program instructions that, when executed by a processor, implement the steps of the above-described photovoltaic hydrogen production management method. For example, the computer readable storage medium may be the memory 702 including program instructions described above that are executable by the processor 701 of the electronic device 700 to perform the photovoltaic hydrogen production management method described above.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (12)
1. A method of photovoltaic hydrogen production management, the method comprising:
acquiring photovoltaic power generation power of a photovoltaic hydrogen production system;
acquiring rated power and real-time power of a load of the photovoltaic hydrogen production system;
and controlling the operation mode of the photovoltaic hydrogen production system according to the photovoltaic power generation power, the rated power and the real-time power of the load.
2. The method of claim 1, wherein the load comprises: high voltage load, low voltage load and permanent load;
the high pressure load comprises a plurality of groups of electrolysis cells, the low pressure load comprises a hydrogen production low pressure load, and the permanent load comprises a non-production low pressure load.
3. The method of claim 2, wherein the photovoltaic power generation power is obtained by a first electricity meter;
the obtaining rated power and real-time power of a load of the photovoltaic hydrogen production system comprises the following steps:
obtaining high-voltage rated power and high-compaction power of the high-voltage load, wherein the high-compaction power is obtained by a second ammeter;
obtaining low-voltage rated power and low-compaction-time power of the low-voltage load, wherein the low-compaction-time power is obtained by a third ammeter;
and obtaining the permanent rated power and the permanent real-time power of the permanent load, wherein the permanent real-time power is obtained by a fourth ammeter.
4. The method of claim 3, wherein the high voltage power rating is greater than the low voltage power rating, the low voltage power rating being greater than the permanent power rating.
5. The method of claim 3, wherein controlling the manner in which the photovoltaic hydrogen production system operates based on the photovoltaic power generation and the rated power and real-time power of the load comprises:
and waking up the low-voltage load and starting the third electric meter and the fourth electric meter under the condition that the photovoltaic power generation power is larger than the sum of the low-voltage rated power and the permanent rated power.
6. The method of claim 3, wherein controlling the manner in which the photovoltaic hydrogen production system operates based on the photovoltaic power generation and the rated power and real-time power of the load comprises:
and under the condition that the photovoltaic power generation power is larger than the sum of the high-voltage rated power, the low-voltage rated power and the permanent rated power, starting the high-voltage load and the second ammeter.
7. The method of claim 3, wherein controlling the manner in which the photovoltaic hydrogen production system operates based on the photovoltaic power generation and the rated power and real-time power of the load comprises:
and controlling the photovoltaic hydrogen production system to keep full-power operation under the condition that the photovoltaic power generation power is larger than the sum of the high compaction time power, the low compaction time power, the permanent real-time power and the power allowance, wherein the power allowance is a parameter related to the high-voltage rated power.
8. The method of claim 3, wherein controlling the manner in which the photovoltaic hydrogen production system operates based on the photovoltaic power generation and the rated power and real-time power of the load comprises:
and controlling the photovoltaic hydrogen production system to run in a power reduction mode under the condition that the photovoltaic power generation power is smaller than or equal to the sum of the high compaction time power, the low compaction time power, the permanent real-time power and the power allowance, wherein the power allowance is a parameter related to the high-voltage rated power.
9. A photovoltaic hydrogen production system, the system comprising: the system comprises a photovoltaic power generation module, a high-voltage load module, a low-voltage load module, a permanent load module and a management system;
the photovoltaic power generation module is connected with the high-voltage load module, the low-voltage load module and the permanent load module through high-voltage buses, and the management system is respectively in communication connection with the photovoltaic power generation module, the high-voltage load module, the low-voltage load module and the permanent load module;
the photovoltaic power generation module comprises a photovoltaic array, a photovoltaic inverter, a first transformer and a first ammeter which are sequentially connected in series, and is used for generating photovoltaic power generation;
the high-voltage load module comprises a second ammeter, a plurality of groups of hydrogen production power supplies and a plurality of groups of electrolytic tanks which are sequentially connected in series, and is used for electrolyzing hydrogen production main equipment, wherein the plurality of groups of hydrogen production power supplies comprise a second transformer and an AC/DC converter;
the low-voltage load module comprises a third ammeter, a first switch cabinet and a first factory transformer which are sequentially connected in series, and is used for producing hydrogen and low-voltage load, and the low-voltage load module is used for electrolytic hydrogen production auxiliary equipment;
the permanent load module comprises a fourth ammeter, a second switch cabinet and a second factory transformer which are sequentially connected in series, and is used for non-production type factory equipment.
10. A photovoltaic hydrogen production management apparatus, the apparatus comprising:
the first acquisition module is used for acquiring the photovoltaic power generation power of the photovoltaic hydrogen production system;
the second acquisition module is used for acquiring rated power and real-time power of a load of the photovoltaic hydrogen production system;
and the control module is used for controlling the operation mode of the photovoltaic hydrogen production system according to the photovoltaic power generation power, the rated power and the real-time power of the load.
11. A non-transitory computer readable storage medium having stored thereon a computer program, characterized in that the program when executed by a processor realizes the steps of the method according to any of claims 1-8.
12. An electronic device, comprising:
a memory having a computer program stored thereon;
a processor for executing the computer program in the memory to implement the steps of the method of any one of claims 1-8.
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