Off-grid renewable energy hydrogen storage synthesis target compound system, method and electronic device

Abstract

The application discloses an off-grid renewable energy hydrogen storage and target compound synthesis system, method and electronic device, relates to the technical field of renewable energy, and comprises a renewable energy power generation unit, a water electrolysis hydrogen production unit, a fuel cell unit, a hydrogen storage unit, a target compound synthesis unit and a comprehensive energy scheduling unit which are connected with each other. When the corresponding relationship between power generation power and time is less than or equal to the rated power, the fuel cell unit is controlled to be in a starting state, the water electrolysis hydrogen production unit is controlled to produce hydrogen by being turned on, and the target compound synthesis unit is controlled to synthesize target compounds. When the stability of the comprehensive energy scheduling unit does not satisfy a preset stability condition, the fuel cell unit is controlled to be in the starting state, and the corresponding device in the comprehensive energy scheduling unit which does not satisfy the preset stability condition is in a closed state.

Description

Technical Field

[0001] This application relates to the field of renewable energy technology, and in particular to an off-grid renewable energy hydrogen storage system, method and electronic device for synthesizing target compounds. Background Technology

[0002] Hydrogen production from renewable energy sources can be achieved by combining renewable energy with water electrolysis technology. This ensures that the electricity source for hydrogen production from water electrolysis is clean energy, thereby realizing the cleanliness and decarbonization of the hydrogen energy industry throughout its entire life cycle and greatly expanding the application scenarios of hydrogen energy and renewable energy.

[0003] In addition to its use as an industrial raw material, hydrogen can also serve as an excellent energy storage medium. Broadly speaking, hydrogen energy storage refers to converting any form of energy into the chemical energy of hydrogen and storing it in the form of hydrogen gas. Narrowly defined, hydrogen energy storage refers to producing hydrogen from clean energy sources such as solar and wind power, or excess electricity from the power grid at night, through water electrolysis, storing it in hydrogen storage tanks, and then utilizing the hydrogen through fuel cell power generation technology. Compared to battery energy storage and other traditional energy storage methods, hydrogen energy storage has certain comparative advantages and is more suitable for long-term, large-scale, centralized energy storage, offering a wide range of applications.

[0004] Current research and applications of hydrogen production from renewable energy sources mainly focus on traditional grid-connected continuous hydrogen production and consumption models. However, with the continuous development of renewable energy, there are challenges in effectively absorbing renewable energy resources. Furthermore, the large-scale output of renewable energy cannot be solved in a short period, resulting in a high proportion of wind and solar power curtailment. For these reasons, there is an urgent need for an off-grid method and system for synthesizing target compounds from renewable energy hydrogen storage to address the limitations of renewable energy application scenarios and the high production costs. Summary of the Invention

[0005] The purpose of this application is to provide an off-grid renewable energy hydrogen storage system, method and electronic device for synthesizing target compounds, in order to solve the problems of limited application scenarios and high production costs of existing renewable energy.

[0006] In a first aspect, this application provides an off-grid renewable energy hydrogen storage system for synthesizing target compounds, the system comprising:

[0007] The interconnected renewable energy power generation unit, water electrolysis hydrogen production unit, fuel cell unit, hydrogen storage unit, target compound synthesis unit, and integrated energy dispatch unit;

[0008] The renewable energy power generation unit is used to provide renewable energy power generation capacity;

[0009] The integrated energy dispatching unit is used to obtain the correspondence between the power generation of the renewable energy power generation system and the time when the renewable energy power generation power matches the preset power.

[0010] The integrated energy dispatching unit is used to control the water electrolysis hydrogen production unit to operate hydrogen production based on the correspondence between power generation and time when the power generation and time correspondence is greater than the rated power, control the target compound synthesis unit to synthesize the target compound, and store the excess hydrogen in the hydrogen storage unit.

[0011] The integrated energy dispatching unit is also used to control the fuel cell unit to be in the start-up state and to control the water electrolysis hydrogen production unit to produce hydrogen by opening the hydrogen storage unit when the correspondence between the power generation and time is less than or equal to the rated power, and the target compound synthesis unit synthesizes the target compound.

[0012] The integrated energy dispatching unit is further configured to control the fuel cell unit to be in the start-up state and the corresponding device in the integrated energy dispatching unit that does not meet the preset stability condition to be in the shut-down state when the stability of the integrated energy dispatching unit does not meet the preset stability condition.

[0013] Using the above technical solution, this application provides an off-grid renewable energy hydrogen storage and target compound synthesis system. The system includes: a renewable energy power generation unit, a water electrolysis hydrogen production unit, a fuel cell unit, a hydrogen storage unit, a target compound synthesis unit, and an integrated energy dispatching unit, all interconnected. The renewable energy power generation unit provides renewable energy power generation. The integrated energy dispatching unit, when the renewable energy power generation matches a preset power, obtains the correspondence between the power generation and time generated by the renewable energy power generation system. The integrated energy dispatching unit, when the correspondence between power generation and time is greater than the rated power, controls the water electrolysis hydrogen production unit to operate based on the power generation and time correspondence, controls the target compound synthesis unit to synthesize the target compound, and stores excess hydrogen in the hydrogen storage unit. The integrated energy dispatching unit is also used to... When the correlation between efficiency and time is less than or equal to the rated power, the fuel cell unit is controlled to be in the start-up state, and the hydrogen production unit is controlled to operate by opening the hydrogen storage unit to produce hydrogen. The target compound synthesis unit synthesizes the target compound. The integrated energy dispatching unit is also used to control the fuel cell unit to be in the start-up state when the stability of the integrated energy dispatching unit does not meet the preset stability conditions. The corresponding equipment in the integrated energy dispatching unit that does not meet the preset stability conditions is shut down. It is suitable for long-term, large-scale and low-cost power storage. It can give full play to the two attributes of hydrogen as an industrial raw material and energy storage medium, so as to realize the conversion of electricity-hydrogen-electricity through the fuel cell unit, ensure the continuous and stable operation of the system, and synthesize the target compound through the target compound synthesis unit in this system, thereby improving the utilization rate of hydrogen and expanding the application scenarios of green energy to reduce production costs.

[0014] In one possible implementation, the system further includes an electrochemical energy storage unit connected to the renewable energy generation unit;

[0015] The integrated energy dispatching unit is further configured to control the electrochemical energy storage unit to be in the start-up state when the fuel cell unit is in the start-up state and the stability of the integrated energy dispatching unit does not meet the preset stability condition, and the corresponding device in the integrated energy dispatching unit that does not meet the preset stability condition is in the shut-down state.

[0016] In one possible implementation, the system further includes a power transmission and transformation unit, which is electrically connected to the renewable energy power generation unit, the electrochemical energy storage unit, the fuel cell unit, and the water electrolysis hydrogen production unit, respectively.

[0017] The water electrolysis hydrogen production unit, the hydrogen storage unit, the target compound synthesis unit, and the fuel cell unit are connected by a hydrogen pipeline;

[0018] The renewable energy power generation unit, the integrated energy dispatching unit, the water electrolysis hydrogen production unit, and the hydrogen storage unit are communicatively connected.

[0019] In one possible implementation, the target compound includes ammonia or ethanol.

[0020] Secondly, this application also provides a method for synthesizing target compounds using off-grid renewable energy hydrogen storage, applied to an off-grid renewable energy hydrogen storage system for synthesizing target compounds, as described in any of the first aspects, the method comprising:

[0021] The integrated energy dispatching unit acquires the renewable energy power generation capacity provided by the renewable energy power generation unit;

[0022] When the renewable energy power generation power matches the preset power, the integrated energy dispatching unit obtains the correspondence between the power generation power generated by the renewable energy power generation system and the time.

[0023] When the correlation between power generation and time is greater than the rated power, the integrated energy dispatch unit controls the water electrolysis hydrogen production unit to operate hydrogen production based on the correlation between power generation and time, controls the target compound synthesis unit to synthesize the target compound, and stores the excess hydrogen in the hydrogen storage unit.

[0024] When the correspondence between the power generation and time is less than or equal to the rated power, the integrated energy dispatching unit controls the fuel cell unit to be in the start-up state and controls the water electrolysis hydrogen production unit to produce hydrogen by opening the hydrogen storage unit, and the target compound synthesis unit synthesizes the target compound.

[0025] If the stability of the integrated energy dispatching unit does not meet the preset stability condition, the integrated energy dispatching unit controls the fuel cell unit to be in the start-up state, and the corresponding equipment in the integrated energy dispatching unit that does not meet the preset stability condition is in the shutdown state.

[0026] In one possible implementation, when the correspondence between the power generation and time is less than or equal to the rated power, the integrated energy dispatching unit controls the fuel cell unit to be in a startup state and controls the water electrolysis hydrogen production unit to operate and produce hydrogen by opening the hydrogen storage unit. After the target compound synthesis unit synthesizes the target compound, the method further includes:

[0027] When the fuel cell unit is in the start-up state and the stability of the integrated energy dispatching unit does not meet the preset stability condition, the integrated energy dispatching unit controls the electrochemical energy storage unit to be in the start-up state, and the corresponding device in the integrated energy dispatching unit that does not meet the preset stability condition is in the shut-down state.

[0028] In one possible implementation, when the integrated energy dispatching unit controls the water electrolysis hydrogen production unit to operate based on the power generation and time correlation when the power generation and time correlation is greater than the rated power, controls the target compound synthesis unit to synthesize the target compound, and stores the excess hydrogen in the hydrogen storage unit, before the integrated energy dispatching unit controls the fuel cell unit to start up when the stability of the integrated energy dispatching unit does not meet the preset stability condition, and before the corresponding equipment in the integrated energy dispatching unit that does not meet the preset stability condition is shut down, the method further includes:

[0029] When the hydrogen storage capacity in the hydrogen storage unit exceeds the preset high hydrogen storage capacity threshold, the integrated energy dispatching unit controls the discharge of excess hydrogen.

[0030] When the hydrogen storage capacity in the hydrogen storage unit is less than or equal to the preset high hydrogen storage capacity threshold, the integrated energy dispatching unit transmits the hydrogen information corresponding to hydrogen production and the target compound information corresponding to the synthesis of the target compound to the integrated energy dispatching unit.

[0031] In one possible implementation, when the hydrogen storage capacity in the hydrogen storage unit is less than or equal to the preset high-capacity hydrogen storage threshold, after transmitting the hydrogen information corresponding to hydrogen production and the target compound information corresponding to the synthesis of the target compound to the integrated energy dispatch unit, the method further includes:

[0032] When the stability of the integrated energy dispatching unit meets the preset stability condition, the integrated energy dispatching unit controls the renewable energy unit to continue outputting power.

[0033] In one possible implementation, when the correspondence between the power generation and time is less than or equal to the rated power, the integrated energy dispatching unit controls the fuel cell unit to be in a startup state and controls the water electrolysis hydrogen production unit to operate and produce hydrogen by opening the hydrogen storage unit. After the target compound synthesis unit synthesizes the target compound, the method further includes:

[0034] When the hydrogen storage capacity in the hydrogen storage unit is less than or equal to a preset low hydrogen storage capacity threshold, the integrated energy dispatching unit controls the operating power of the target compound synthesis unit to be adjusted to below the renewable energy target power generation; wherein, the renewable energy target power generation is determined based on the correspondence between the power generation and time;

[0035] In one possible implementation, after the integrated energy dispatching unit controls the operating power of the target compound synthesis unit to be adjusted below the target renewable energy power generation capacity when the hydrogen storage capacity in the hydrogen storage unit is less than or equal to a preset low hydrogen storage capacity threshold, the method further includes:

[0036] When the hydrogen storage capacity in the hydrogen storage unit is greater than the preset low hydrogen storage capacity threshold, the integrated energy dispatching unit transmits the hydrogen information corresponding to hydrogen production and the target compound information corresponding to the synthesis of the target compound to the integrated energy dispatching unit.

[0037] In one possible implementation, after the integrated energy dispatch unit acquires the renewable energy power generation capacity provided by the renewable energy power generation unit, the method further includes:

[0038] When the renewable energy power generation power does not match the preset power, the integrated energy dispatching unit corrects the mismatched renewable energy power generation power based on the correspondence between actual power generation power and time, and generates the correspondence between power generation power and time.

[0039] The beneficial effects of the off-grid renewable energy hydrogen storage method for synthesizing target compounds provided in the second aspect are the same as those of the off-grid renewable energy hydrogen storage system for synthesizing target compounds described in the first aspect or any possible implementation of the first aspect, and will not be repeated here.

[0040] Thirdly, this application also provides an electronic device comprising: one or more processors; and one or more machine-readable media having instructions stored thereon, which, when executed by the one or more processors, cause the device to perform the off-grid renewable energy hydrogen storage method for synthesizing target compounds as described in any possible implementation of the second aspect.

[0041] The beneficial effects of the electronic equipment provided in the third aspect are the same as those of the off-grid renewable energy hydrogen storage method for synthesizing target compounds described in the second aspect or any possible implementation of the second aspect, and will not be elaborated here. Attached Figure Description

[0042] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0043] Figure 1 This paper illustrates a schematic diagram of the structure of an off-grid renewable energy hydrogen storage system for synthesizing target compounds, provided in an embodiment of this application.

[0044] Figure 2 This paper illustrates a schematic diagram of the structure of an off-grid renewable energy hydrogen storage system for synthesizing target compounds, provided in an embodiment of this application.

[0045] Figure 3 A flowchart illustrating a method for synthesizing target compounds using off-grid renewable energy hydrogen storage is presented.

[0046] Figure 4 A flowchart illustrating a method for synthesizing target compounds using off-grid renewable energy hydrogen storage is presented.

[0047] Figure 5 A schematic diagram of the hardware structure of an electronic device provided in an embodiment of this application;

[0048] Figure 6 This is a schematic diagram of the chip structure provided in an embodiment of this application.

[0049] Figure label:

[0050] 101-Electrochemical energy storage unit; 102-Renewable energy power generation unit; 103-Water electrolysis hydrogen production unit; 104-Fuel cell unit; 105-Hydrogen storage unit; 106-Target compound synthesis unit; 107-Integrated energy dispatching unit; 108-Power transmission and transformation unit; 400-Electronic equipment; 410-Processor; 420-Communication interface; 430-Memory; 440-Communication line; 4101-First processor; 4102-Second processor; 500-Chip; 510-Bus system. Detailed Implementation

[0051] To facilitate a clear description of the technical solutions in the embodiments of this application, the terms "first" and "second" are used in the embodiments of this application to distinguish identical or similar items with essentially the same function and effect. For example, the first threshold and the second threshold are only used to distinguish different thresholds and do not limit their order. Those skilled in the art will understand that the terms "first" and "second" do not limit the quantity or execution order, and the terms "first" and "second" are not necessarily different.

[0052] It should be noted that, in this application, the terms "exemplary" or "for example" are used to indicate that something is being described as an example, illustration, or illustration. Any embodiment or design described as "exemplary" or "for example" in this application should not be construed as being more preferred or advantageous than other embodiments or design solutions. Specifically, the use of terms such as "exemplary" or "for example" is intended to present the relevant concepts in a concrete manner.

[0053] In this application, "at least one" means one or more, and "more than one" means two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can mean: A alone, A and B simultaneously, or B alone, where A and B can be singular or plural. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship. "At least one of the following" or similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one of a, b, or c can mean: a, b, c, a combination of a and b, a combination of a and c, a combination of b and c, or a, b, and c, where a, b, and c can be single or multiple.

[0054] Figure 1 This application provides a schematic diagram of the structure of an off-grid renewable energy hydrogen storage system for synthesizing target compounds, as illustrated in an embodiment of this application. Figure 1 As shown, the system includes:

[0055] The interconnected renewable energy power generation unit 102, water electrolysis hydrogen production unit 103, fuel cell unit 104, hydrogen storage unit 105, target compound synthesis unit 106, and integrated energy dispatch unit 107 are:

[0056] The renewable energy power generation unit 102 is used to provide renewable energy power generation capacity;

[0057] The integrated energy dispatching unit 107 is used to obtain the correspondence between the power generation of the renewable energy power generation system and the time when the renewable energy power generation power matches the preset power.

[0058] The integrated energy dispatching unit 107 is used to control the water electrolysis hydrogen production unit 103 to operate hydrogen production based on the correspondence between power generation and time when the power generation and time correspondence is greater than the rated power, control the target compound synthesis unit 106 to synthesize the target compound, and store the excess hydrogen in the hydrogen storage unit 105.

[0059] The integrated energy dispatching unit 107 is also used to control the fuel cell unit 104 to be in the start-up state and to control the water electrolysis hydrogen production unit 103 to produce hydrogen by opening the hydrogen storage unit 105 when the correspondence between the power generation and time is less than or equal to the rated power, and the target compound synthesis unit 106 to synthesize the target compound.

[0060] The integrated energy dispatching unit 107 is further configured to control the fuel cell unit 104 to be in the start-up state and the corresponding device in the integrated energy dispatching unit 107 that does not meet the preset stability condition to be in the shut-down state when the stability of the integrated energy dispatching unit 107 does not meet the preset stability condition.

[0061] In this application, the rated power refers to the rated power of the off-grid renewable energy hydrogen storage and target compound synthesis system described in this application, including the total power corresponding to the water electrolysis hydrogen unit and the target compound synthesis unit.

[0062] In summary, this application provides an off-grid renewable energy hydrogen storage and target compound synthesis system. The system includes: a renewable energy power generation unit, a water electrolysis hydrogen production unit, a fuel cell unit, a hydrogen storage unit, a target compound synthesis unit, and an integrated energy dispatching unit, all interconnected. The renewable energy power generation unit provides renewable energy power generation. The integrated energy dispatching unit, when the renewable energy power generation matches a preset power level, obtains the correspondence between the power generation and time generated by the renewable energy power generation system. The integrated energy dispatching unit, when the correspondence between power generation and time exceeds the rated power, controls the water electrolysis hydrogen production unit to operate based on the power generation and time correspondence, controls the target compound synthesis unit to synthesize the target compound, and stores excess hydrogen in the hydrogen storage unit. The integrated energy dispatching unit is also used to obtain the correspondence between power generation and time... When the corresponding relationship is less than or equal to the rated power, the fuel cell unit is controlled to be in the start-up state, and the hydrogen production unit is controlled to operate by opening the hydrogen storage unit to produce hydrogen. The target compound synthesis unit synthesizes the target compound. The integrated energy dispatching unit is also used to control the fuel cell unit to be in the start-up state when the stability of the integrated energy dispatching unit does not meet the preset stability conditions. The corresponding equipment in the integrated energy dispatching unit that does not meet the preset stability conditions is in the shut-off state. It is suitable for long-term, large-scale and low-cost power storage. It can give full play to the two attributes of hydrogen as an industrial raw material and energy storage medium, so as to realize the conversion of electricity-hydrogen-electricity through the fuel cell unit, ensure the continuous and stable operation of the system, and synthesize the target compound through the target compound synthesis unit in this system, thereby improving the utilization rate of hydrogen and expanding the application scenarios of green energy to reduce production costs.

[0063] Figure 2 This application provides a schematic diagram of the structure of an off-grid renewable energy hydrogen storage system for synthesizing target compounds, as illustrated in an embodiment of this application. Figure 2 As shown, the system includes:

[0064] The interconnected renewable energy power generation unit 102, water electrolysis hydrogen production unit 103, fuel cell unit 104, hydrogen storage unit 105, target compound synthesis unit 106, and integrated energy dispatch unit 107 are:

[0065] The system also includes an electrochemical energy storage unit 101, which is connected to the renewable energy power generation unit 102;

[0066] The system also includes a power transmission and transformation unit 108, which is electrically connected to the renewable energy power generation unit 102, the electrochemical energy storage unit 101, the fuel cell unit 104, and the water electrolysis hydrogen production unit 103, respectively.

[0067] The water electrolysis hydrogen production unit 103, the hydrogen storage unit 105, the target compound synthesis unit 106, and the fuel cell unit 104 are connected by a hydrogen pipeline.

[0068] The renewable energy power generation unit 102, the integrated energy dispatching unit 107, the water electrolysis hydrogen production unit 103, and the hydrogen storage unit 105 are communicatively connected.

[0069] The integrated energy dispatching unit is further configured to control the electrochemical energy storage unit to be in the start-up state when the fuel cell unit is in the start-up state and the stability of the integrated energy dispatching unit does not meet the preset stability condition, and the corresponding device in the integrated energy dispatching unit that does not meet the preset stability condition is in the shut-down state.

[0070] The water electrolysis hydrogen production unit, the target compound synthesis unit, and the power transmission and transformation unit are connected. The electricity provided by the renewable energy power generation unit is used for power supply in water electrolysis hydrogen production, power supply in the target compound synthesis reaction, and power for auxiliary equipment, thus achieving electricity-to-hydrogen conversion. Due to the volatility of renewable energy, the operating power of the water electrolysis hydrogen production unit needs to fluctuate synchronously with the fluctuations in renewable energy, adjusting the active power balance between the renewable energy power generation unit on the energy supply side and the water electrolysis hydrogen production unit and the target compound synthesis unit on the load side.

[0071] Optionally, the target compound may include ammonia or ethanol. The specific target compound is not limited in the embodiments of this application, and calibration adjustments can be made according to actual needs.

[0072] The renewable energy power generation unit can include photovoltaic systems, wind power systems, hydropower systems, and a renewable energy power generation forecasting and control system. After converting renewable energy into electricity, it is collected and used as the energy supply side. The energy supply side aims to reduce the cost per kilowatt-hour to lower the cost of hydrogen production and the cost of synthesizing target compounds, and to provide clean energy for the production of green hydrogen and synthesized target compounds. Given the non-inertia and uncontrollability of renewable energy, the renewable energy power generation unit needs to be equipped with a corresponding renewable energy power generation forecasting and control system to communicate with the integrated energy dispatching unit in order to achieve the internal balance of the off-grid renewable energy hydrogen storage and target compound synthesis system.

[0073] Optionally, the water electrolysis hydrogen production unit can use alkaline water electrolysis equipment, using electricity provided by renewable energy. Part of the produced hydrogen can be used as an industrial raw material in the synthesis of the target compound, and the other part can be used as fuel to supply the fuel cell unit for combustion.

[0074] Optionally, the hydrogen storage unit can be used to store the hydrogen generated by electrolysis, serving as a feedstock for the continuous daily production of the target compound and for partial power generation. The target compound synthesis unit can generate the target compound through a chemical reaction based on hydrogen. For example, if the target compound is ammonia, hydrogen and nitrogen can be reacted to produce ammonia.

[0075] Optionally, the predicted power generation and time correspondence can be communicated with the water electrolysis hydrogen production unit through the above-mentioned renewable energy power generation prediction and control system. The water electrolysis hydrogen production unit control can then perform energy dispatch based on the predicted power generation and time correspondence to achieve more efficient energy dispatch.

[0076] Among them, the electrochemical energy storage unit serves as a support for off-grid stability and is connected to the power transmission and transformation unit. When imbalances in power, frequency, and voltage occur during the operation of the integrated energy dispatch unit, the water electrolysis hydrogen production unit, and the target compound synthesis unit, it provides transient characteristic support, which can balance the power, voltage, and frequency of the system and ensure that the system can operate stably.

[0077] In this application, the fuel cell unit can use electricity generated from renewable energy sources to produce and store hydrogen during the day, achieving an electricity-hydrogen conversion. When the output of renewable energy generation is insufficient to support the electricity consumption for synthesizing the target compound, the hydrogen stored in the hydrogen storage unit is used as a raw material for the fuel cell unit, and converted into electrical energy through combustion. This compensates for the insufficient energy supply when renewable energy generation is insufficient, ensuring the continuous and stable operation of the off-grid renewable energy hydrogen storage system for synthesizing the target compound.

[0078] Furthermore, based on the daily renewable energy output curve, that is, the correspondence between daily renewable energy power and time, the required amount of hydrogen and the operating power of the off-grid renewable energy hydrogen storage synthesis target compound system can be flexibly adjusted to ensure that there is no curtailment of solar or wind power.

[0079] Furthermore, the fuel cell unit in this application is suitable for long-term, large-scale, and low-cost electricity storage, and can fully leverage the dual properties of hydrogen as an industrial feedstock and energy storage medium to achieve green energy cycling through electricity-hydrogen-electricity conversion.

[0080] In this application, when the target compound is ammonia, the target compound synthesis unit pressurizes and mixes hydrogen produced in the water electrolysis hydrogen production unit and nitrogen produced in the air separation unit, and then performs a chemical reaction in the reactor to produce ammonia. The target compound synthesis unit typically operates at a stable power level, unaffected by power fluctuations in the renewable energy generation unit, to reduce the complexity of the control logic. In the event of extreme weather or emergencies, the target compound synthesis unit needs to adjust its power range as an emergency measure.

[0081] In this application, the hydrogen storage unit is also used to pressurize and store the hydrogen produced by the water electrolysis hydrogen production unit, so as to facilitate a more stable supply to the target compound synthesis unit and the fuel cell unit, and increase the flexibility of the water electrolysis hydrogen production unit and the fuel cell unit.

[0082] Figure 3 A schematic flowchart of an off-grid renewable energy hydrogen storage method for synthesizing target compounds is presented, and it is applied to... Figures 1-2 In any of the off-grid renewable energy hydrogen storage synthesis target compound systems shown, such as Figure 3 As shown, the method includes:

[0083] Step 201: The integrated energy dispatching unit obtains the renewable energy power generation capacity provided by the renewable energy power generation unit.

[0084] Step 202: When the renewable energy power generation power matches the preset power, the integrated energy dispatching unit obtains the correspondence between the power generation power and time generated by the renewable energy power generation system.

[0085] The preset power is the required value of renewable energy power generation determined based on historical power. When the renewable energy power generation matches the preset power, it indicates that the system is in a stable state, and the correspondence between power generation and time can be further obtained.

[0086] Step 203: When the correspondence between the power generation and time is greater than the rated power, the integrated energy dispatching unit controls the water electrolysis hydrogen production unit to operate hydrogen production based on the correspondence between the power generation and time, controls the target compound synthesis unit to synthesize the target compound, and stores the excess hydrogen in the hydrogen storage unit.

[0087] The relationship between power generation and time is the renewable energy output curve. When the power generation in the renewable energy output curve exceeds the rated power of the system, the hydrogen production power fluctuates accordingly, the hydrogen supplied to synthesize the target compound remains unchanged, and the excess hydrogen is stored in the hydrogen storage unit.

[0088] In this application, the rated power refers to the rated power of the off-grid renewable energy hydrogen storage and target compound synthesis system described in this application, including the total power corresponding to the water electrolysis hydrogen unit and the target compound synthesis unit.

[0089] Step 204: When the correspondence between the power generation and time is less than or equal to the rated power, the integrated energy dispatching unit controls the fuel cell unit to be in the start-up state and controls the water electrolysis hydrogen production unit to produce hydrogen by opening the hydrogen storage unit, and the target compound synthesis unit synthesizes the target compound.

[0090] Step 205: When the stability of the integrated energy dispatching unit does not meet the preset stability condition, the integrated energy dispatching unit controls the fuel cell unit to be in the start state, and the corresponding equipment in the integrated energy dispatching unit that does not meet the preset stability condition is in the shut-down state.

[0091] In summary, the embodiments of this application provide a method for synthesizing a target compound using off-grid renewable energy hydrogen storage. The integrated energy dispatch unit acquires the renewable energy power generated by the renewable energy power generation unit. When the renewable energy power generation matches a preset power, the integrated energy dispatch unit acquires the correspondence between the power generation and time of the renewable energy power generation system. When the correspondence between power generation and time is greater than the rated power, the integrated energy dispatch unit controls the water electrolysis hydrogen production unit to operate based on the correspondence between power generation and time to produce hydrogen, controls the target compound synthesis unit to synthesize the target compound, and stores excess hydrogen in the hydrogen storage unit. When the correspondence between power generation and time is less than or equal to the rated power, the integrated energy dispatch unit controls the... The fuel cell unit is in the start-up state, and the hydrogen production unit is controlled to operate by opening the hydrogen storage unit to produce hydrogen. The target compound synthesis unit synthesizes the target compound. If the stability of the integrated energy dispatching unit does not meet the preset stability conditions, the fuel cell unit is controlled to be in the start-up state, and the corresponding equipment in the integrated energy dispatching unit that does not meet the preset stability conditions is in the shut-down state. It is suitable for long-term, large-scale and low-cost power storage, and can give full play to the two properties of hydrogen as an industrial raw material and energy storage medium. It can realize the conversion of electricity to hydrogen to electricity through the fuel cell unit, ensure the continuous and stable operation of the system, and synthesize the target compound through the target compound synthesis unit in this system, thereby improving the utilization rate of hydrogen and expanding the application scenarios of green energy to reduce production costs.

[0092] Figure 4A schematic flowchart of an off-grid renewable energy hydrogen storage method for synthesizing target compounds is presented, and it is applied to... Figures 1-2 In any of the off-grid renewable energy hydrogen storage synthesis target compound systems shown, such as Figure 4 As shown, the method includes:

[0093] Step 301: The integrated energy dispatching unit obtains the renewable energy power generation capacity provided by the renewable energy power generation unit.

[0094] After completing step 301, proceed to step 302 or 303.

[0095] Step 302: When the renewable energy power generation power does not match the preset power, the integrated energy dispatching unit corrects the mismatched renewable energy power generation power based on the correspondence between actual power generation power and time, and generates the correspondence between power generation power and time.

[0096] The preset power is the required value of renewable energy power generation determined based on historical power. If the renewable energy power generation does not match the preset power, it indicates that the system is in an unstable state. Further, based on the correspondence between the actual power generation and time, the actual power generation within the target time corresponding to the renewable energy power generation can be determined. The renewable energy power generation can be corrected based on the actual power generation, and finally the correspondence between power generation and time can be determined.

[0097] After completing step 302, proceed to step 303.

[0098] Step 303: When the renewable energy power generation power matches the preset power, the integrated energy dispatching unit obtains the correspondence between the power generation power and time generated by the renewable energy power generation system.

[0099] The preset power is the required value of renewable energy power generation determined based on historical power. When the renewable energy power generation matches the preset power, it indicates that the system is in a stable state, and the correspondence between power generation and time can be further obtained.

[0100] After completing step 303, proceed to either step 304 or step 307.

[0101] Step 304: When the correspondence between the power generation and time is greater than the rated power, the integrated energy dispatching unit controls the water electrolysis hydrogen production unit to operate hydrogen production based on the correspondence between the power generation and time, controls the target compound synthesis unit to synthesize the target compound, and stores the excess hydrogen in the hydrogen storage unit.

[0102] The relationship between power generation and time is the renewable energy output curve. When the power generation in the renewable energy output curve exceeds the rated power of the system, the hydrogen production power fluctuates accordingly, the hydrogen supplied to synthesize the target compound remains unchanged, and the excess hydrogen is stored in the hydrogen storage unit.

[0103] In this application, the rated power refers to the rated power of the off-grid renewable energy hydrogen storage and target compound synthesis system described in this application, including the total power corresponding to the water electrolysis hydrogen unit and the target compound synthesis unit.

[0104] After completing step 304, proceed to step 305 or 306.

[0105] Step 305: When the hydrogen storage capacity in the hydrogen storage unit is greater than the preset high hydrogen storage capacity threshold, the integrated energy dispatching unit controls the discharge of excess hydrogen.

[0106] In this application embodiment, the specific value of the preset high-capacity hydrogen storage threshold is not limited, but can be specifically limited according to the actual application scenario.

[0107] In this application, when the hydrogen storage capacity in the hydrogen storage unit is determined to be greater than the preset high-capacity threshold, it indicates that the hydrogen storage unit is operating under overload. Controlling the discharge of the corresponding hydrogen gas can ensure the operational stability and reliability of the hydrogen storage unit.

[0108] After completing step 305, proceed to step 306.

[0109] Step 306: If the hydrogen storage capacity in the hydrogen storage unit is less than or equal to the preset high hydrogen storage capacity threshold, the integrated energy dispatching unit transmits the hydrogen information corresponding to hydrogen production and the target compound information corresponding to the synthesis of the target compound to the integrated energy dispatching unit.

[0110] When the hydrogen storage capacity in the hydrogen storage unit is less than or equal to the preset high-capacity threshold, it indicates that the hydrogen storage unit is operating normally. At this time, the hydrogen information corresponding to hydrogen production and the target compound information corresponding to the synthesis of the target compound, that is, the hydrogen production and the production data of the synthesized target compound, can be transmitted to the integrated energy dispatch unit.

[0111] After completing step 306, proceed to step 310 or step 311.

[0112] Step 307: When the correspondence between the power generation and time is less than or equal to the rated power, the integrated energy dispatching unit controls the fuel cell unit to be in the start-up state and controls the water electrolysis hydrogen production unit to produce hydrogen by opening the hydrogen storage unit, and the target compound synthesis unit synthesizes the target compound.

[0113] In this application, the relationship between power generation and time is also the renewable energy output curve. When the power generation in the renewable energy output curve is less than or equal to the system rated power, the hydrogen production power fluctuates accordingly. The hydrogen storage unit supplies hydrogen to the rated operating condition, the fuel cell unit starts up, and the insufficient power output is supplemented. By controlling the fuel cell unit to be in the start-up state and by opening the hydrogen storage unit to control the operation of the water electrolysis hydrogen production unit to produce hydrogen, the target compound synthesis unit synthesizes the target compound.

[0114] After completing step 307, proceed to step 308 or 309.

[0115] Step 308: When the hydrogen storage capacity in the hydrogen storage unit is less than or equal to a preset low hydrogen storage capacity threshold, the integrated energy dispatching unit controls the operating power of the target compound synthesis unit to be adjusted to below the target renewable energy power generation power; wherein, the target renewable energy power generation power is determined based on the correspondence between the power generation power and time.

[0116] In this application, when it is determined that the hydrogen storage capacity in the hydrogen storage unit is less than the preset low hydrogen storage capacity threshold, it indicates that the hydrogen storage unit is in a state where there is no available oxygen. The operating power of the synthesis target compound unit is then adjusted to be below the renewable energy target power generation to ensure the safety of the gas storage unit.

[0117] This application does not impose specific limitations on the preset low-capacity hydrogen storage threshold; specific limitations can be imposed based on the actual application scenario.

[0118] Step 309: If the hydrogen storage capacity in the hydrogen storage unit is greater than the preset low hydrogen storage capacity threshold, the integrated energy dispatching unit transmits the hydrogen information corresponding to hydrogen production and the target compound information corresponding to the synthesis of the target compound to the integrated energy dispatching unit.

[0119] When the hydrogen storage capacity in the hydrogen storage unit is determined to be greater than the preset low hydrogen storage capacity threshold, it indicates that the hydrogen storage unit is operating normally. At this time, the hydrogen information corresponding to hydrogen production and the target compound information corresponding to the synthesis of the target compound, that is, the hydrogen production and the production data of the synthesized target compound, can be transmitted to the integrated energy dispatch unit.

[0120] After completing step 309, proceed to step 310 or step 311.

[0121] Step 310: When the stability of the integrated energy dispatching unit meets the preset stability condition, the integrated energy dispatching unit controls the renewable energy unit to continue outputting power.

[0122] In this application, the preset stability conditions include the integrated energy dispatching unit being in a normal self-test state, and when the integrated energy dispatching unit is in a normal stability state, the renewable energy unit is controlled to continue to output power.

[0123] Step 311: When the stability of the integrated energy dispatching unit does not meet the preset stability condition, the integrated energy dispatching unit controls the fuel cell unit to be in the start state, and the corresponding equipment in the integrated energy dispatching unit that does not meet the preset stability condition is in the shut-down state.

[0124] In this application, the preset stability conditions include the integrated energy dispatching unit being in a normal self-test state, and when the integrated energy dispatching unit is not in a normal stability state, the fuel cell unit is controlled to be in a start state, and the corresponding device in the integrated energy dispatching unit that does not meet the preset stability conditions is in a shut-down state.

[0125] Specifically, in this application, when the fuel cell unit is in the start-up state and the stability of the integrated energy dispatching unit does not meet the preset stability condition, the integrated energy dispatching unit controls the electrochemical energy storage unit to be in the start-up state, and the corresponding device in the integrated energy dispatching unit that does not meet the preset stability condition is in the off state.

[0126] In this application, after controlling the corresponding equipment to be in a closed state, the stability of the integrated energy dispatching unit can be checked again to see if it has returned to normal. If it has returned to normal, step 310 is executed; if it has not returned to normal, stability adjustment is performed and step 311 is executed.

[0127] In summary, the embodiments of this application provide a method for synthesizing a target compound using off-grid renewable energy hydrogen storage. The integrated energy dispatch unit acquires the renewable energy power generated by the renewable energy power generation unit. When the renewable energy power generation matches a preset power, the integrated energy dispatch unit acquires the correspondence between the power generation and time of the renewable energy power generation system. When the correspondence between power generation and time is greater than the rated power, the integrated energy dispatch unit controls the water electrolysis hydrogen production unit to operate based on the correspondence between power generation and time to produce hydrogen, controls the target compound synthesis unit to synthesize the target compound, and stores excess hydrogen in the hydrogen storage unit. When the correspondence between power generation and time is less than or equal to the rated power, the integrated energy dispatch unit controls the... The fuel cell unit is in the start-up state, and the hydrogen production unit is controlled to operate by opening the hydrogen storage unit to produce hydrogen. The target compound synthesis unit synthesizes the target compound. If the stability of the integrated energy dispatching unit does not meet the preset stability conditions, the fuel cell unit is controlled to be in the start-up state, and the corresponding equipment in the integrated energy dispatching unit that does not meet the preset stability conditions is in the shut-down state. It is suitable for long-term, large-scale and low-cost power storage, and can give full play to the two properties of hydrogen as an industrial raw material and energy storage medium. It can realize the conversion of electricity to hydrogen to electricity through the fuel cell unit, ensure the continuous and stable operation of the system, and synthesize the target compound through the target compound synthesis unit in this system, thereby improving the utilization rate of hydrogen and expanding the application scenarios of green energy to reduce production costs.

[0128] This application provides a method for synthesizing target compounds using off-grid renewable energy hydrogen storage, applicable to applications including, for example... Figures 1 to 2 To avoid repetition, the specific details of the target compound synthesis system for any of the off-grid renewable energy hydrogen storage systems shown will not be repeated here.

[0129] The electronic device in this application embodiment can be a device, or a component, integrated circuit, or chip in a terminal. The device can be a mobile electronic device or a non-mobile electronic device. For example, mobile electronic devices can be mobile phones, tablets, laptops, PDAs, in-vehicle electronic devices, wearable devices, ultra-mobile personal computers (UMPCs), netbooks, or personal digital assistants (PDAs), etc., while non-mobile electronic devices can be servers, network attached storage (NAS), personal computers (PCs), televisions (TVs), ATMs, or self-service machines, etc. This application embodiment does not impose specific limitations.

[0130] The electronic device in this application embodiment can be a device with an operating system. This operating system can be Android, iOS, or other possible operating systems; this application embodiment does not specifically limit the specific operating system used.

[0131] Figure 5 A schematic diagram of the hardware structure of an electronic device according to an embodiment of this application is shown. Figure 5 As shown, the electronic device 400 includes a processor 410.

[0132] like Figure 5 As shown, the processor 410 described above can be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits used to control the execution of the program of the present application.

[0133] like Figure 5 As shown, the electronic device 400 may further include a communication line 440. The communication line 440 may include a path for transmitting information between the components.

[0134] Optional, such as Figure 5 As shown, the above-described electronic device may further include a communication interface 420. There may be one or more communication interfaces 420. The communication interface 420 may use any transceiver-like device for communicating with other devices or communication networks.

[0135] Optional, such as Figure 5As shown, the electronic device may further include a memory 430. The memory 430 stores computer execution instructions for implementing the scheme of this application, and its execution is controlled by a processor. The processor executes the computer execution instructions stored in the memory to implement the method provided in the embodiments of this application.

[0136] like Figure 5 As shown, memory 430 can be read-only memory (ROM) or other types of static storage devices capable of storing static information and instructions, random access memory (RAM) or other types of dynamic storage devices capable of storing information and instructions, or electrically erasable programmable read-only memory (EEPROM), compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (including compressed optical discs, laser discs, optical discs, digital universal optical discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium capable of carrying or storing desired program code in the form of instructions or data structures and accessible by a computer, but not limited thereto. Memory 430 can exist independently and be connected to processor 410 via communication line 440. Memory 430 can also be integrated with processor 410.

[0137] Optionally, the computer execution instructions in the embodiments of this application may also be referred to as application code, and the embodiments of this application do not specifically limit this.

[0138] In a specific implementation, as one example, such as Figure 5 As shown, processor 410 may include one or more CPUs, such as Figure 5 CPU0 and CPU1 in the CPU.

[0139] In a specific implementation, as one example, such as Figure 5 As shown, the terminal device may include multiple processors, such as Figure 5 The first processor 4101 and the second processor 4102 are included. Each of these processors can be a single-core processor or a multi-core processor.

[0140] Figure 6 This is a schematic diagram of the chip structure provided in an embodiment of this application. Figure 6 As shown, the chip 500 includes one or more processors 410.

[0141] Optional, such as Figure 6As shown, the chip also includes a communication interface 420 and a memory 430. The memory 430 may include read-only memory and random access memory, and provides operation instructions and data to the processor. A portion of the memory may also include non-volatile random access memory (NVRAM).

[0142] In some implementations, such as Figure 6 As shown, memory 430 stores the following elements: execution modules or data structures, or subsets thereof, or extended sets thereof.

[0143] In the embodiments of this application, such as Figure 6 As shown, the corresponding operation is executed by calling the operation instructions stored in the memory (which can be stored in the operating system).

[0144] like Figure 6 As shown, the processor 410 controls the processing operations of any one of the terminal devices. The processor 410 can also be called a central processing unit (CPU).

[0145] like Figure 6 As shown, memory 430 may include read-only memory and random access memory, providing instructions and data to the processor. A portion of memory 430 may also include NVRAM. For example, in an application, memory, communication interfaces, and memory are coupled together via a bus system, which may include, in addition to a data bus, a power bus, a control bus, and a status signal bus, etc. However, for clarity, in... Figure 6 The general labeled all buses as Bus System 510.

[0146] like Figure 6As shown, the methods disclosed in the embodiments of this application can be applied to a processor or implemented by a processor. The processor may be an integrated circuit chip with signal processing capabilities. During implementation, each step of the above method can be completed by integrated logic circuits in the processor's hardware or by instructions in software form. The processor can be a general-purpose processor, a digital signal processor (DSP), an ASIC, a field-programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components. It can implement or execute the methods, steps, and logic block diagrams disclosed in the embodiments of this application. The general-purpose processor can be a microprocessor or any conventional processor. The steps of the methods disclosed in the embodiments of this application can be directly embodied as execution by a hardware decoding processor, or as a combination of hardware and software modules in the decoding processor. The software modules can reside in random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, registers, or other mature storage media in the art. This storage medium is located in memory; the processor reads information from the memory and, in conjunction with its hardware, completes the steps of the above method.

[0147] On the one hand, a computer-readable storage medium is provided, which stores instructions that, when executed, implement the functions performed by the terminal device in the above embodiments.

[0148] On the one hand, a chip is provided for use in a terminal device. The chip includes at least one processor and a communication interface, the communication interface and at least one processor being coupled together. The processor is used to execute instructions to achieve the functions performed by the off-grid renewable energy hydrogen storage method for synthesizing target compounds in the above embodiments.

[0149] In the above embodiments, implementation can be achieved entirely or partially through software, hardware, firmware, or any combination thereof. When implemented using software, it can be implemented entirely or partially in the form of a computer program product. The computer program product includes one or more computer programs or instructions. When the computer program or instructions are loaded and executed on a computer, the processes or functions described in the embodiments of this application are performed entirely or partially. The computer can be a general-purpose computer, a special-purpose computer, a computer network, a terminal, a user equipment, or other programmable device. The computer program or instructions can be stored in a computer-readable storage medium or transferred from one computer-readable storage medium to another. For example, the computer program or instructions can be transferred from one website, computer, server, or data center to another website, computer, server, or data center via wired or wireless means. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that integrates one or more available media. The available medium can be a magnetic medium, such as a floppy disk, hard disk, or magnetic tape; it can also be an optical medium, such as a digital video disc (DVD); or it can be a semiconductor medium, such as a solid-state drive (SSD).

[0150] Although this application has been described herein in conjunction with various embodiments, those skilled in the art, by reviewing the accompanying drawings, the disclosure, and the appended claims, will understand and implement other variations of the disclosed embodiments in carrying out the claimed application. In the claims, the word "comprising" does not exclude other components or steps, and "a" or "an" does not exclude multiple instances. A single processor or other unit can implement several functions listed in the claims. While different dependent claims may recite certain measures, this does not mean that these measures cannot be combined to produce good results.

[0151] Although this application has been described in conjunction with specific features and embodiments, it is obvious that various modifications and combinations can be made thereto without departing from the spirit and scope of this application. Accordingly, this specification and drawings are merely exemplary illustrations of this application as defined by the appended claims, and are considered to cover any and all modifications, variations, combinations, or equivalents within the scope of this application. Clearly, those skilled in the art can make various alterations and modifications to this application without departing from the spirit and scope of this application. Thus, if such modifications and modifications of this application fall within the scope of the claims of this application and their equivalents, this application is also intended to include such modifications and modifications.

Claims

1. An off-grid renewable energy hydrogen storage system for synthesizing target compounds, characterized in that, The system includes: interconnected renewable energy power generation units, water electrolysis hydrogen production units, fuel cell units, hydrogen storage units, target compound synthesis units, and integrated energy dispatch units; The renewable energy power generation unit is used to provide renewable energy power generation capacity; The integrated energy dispatching unit is used to obtain the correspondence between the power generation generated by the renewable energy power generation unit and the time when the renewable energy power generation power matches the preset power. The integrated energy dispatching unit is used to control the water electrolysis hydrogen production unit to operate hydrogen production based on the correlation between power generation and time when the power generation and time correlation is greater than the rated power, control the target compound synthesis unit to synthesize the target compound, and store excess hydrogen in the hydrogen storage unit; the target compound includes ammonia or ethanol; The integrated energy dispatching unit is also used to control the fuel cell unit to be in the start-up state and to control the water electrolysis hydrogen production unit to produce hydrogen by opening the hydrogen storage unit when the correspondence between the power generation and time is less than or equal to the rated power, and the target compound synthesis unit synthesizes the target compound. The integrated energy dispatching unit is also used to control the fuel cell unit to be in the start-up state when the stability of the integrated energy dispatching unit does not meet the preset stability condition, and to control the corresponding device in the integrated energy dispatching unit that does not meet the preset stability condition to be in the shut-down state. The system also includes an electrochemical energy storage unit, which is connected to the renewable energy power generation unit; The integrated energy dispatching unit is also used to control the electrochemical energy storage unit to be in the start-up state when the fuel cell unit is in the start-up state and the stability of the integrated energy dispatching unit does not meet the preset stability condition, and the corresponding device in the integrated energy dispatching unit that does not meet the preset stability condition is in the shut-down state. The rated power is the rated power of the off-grid renewable energy hydrogen storage and target compound synthesis system, including the total power corresponding to the water electrolysis hydrogen unit and the target compound synthesis unit. When the hydrogen storage capacity in the hydrogen storage unit is less than or equal to a preset low hydrogen storage capacity threshold, the integrated energy dispatching unit controls the operating power of the target compound synthesis unit to be adjusted to below the target renewable energy power generation power; wherein, the target renewable energy power generation power is determined based on the correspondence between the power generation power and time.

2. The off-grid renewable energy hydrogen storage system for synthesizing target compounds according to claim 1, characterized in that, The system also includes a power transmission and transformation unit, which is electrically connected to the renewable energy power generation unit, the electrochemical energy storage unit, the fuel cell unit, and the water electrolysis hydrogen production unit, respectively. The water electrolysis hydrogen production unit, the hydrogen storage unit, the target compound synthesis unit, and the fuel cell unit are connected by a hydrogen pipeline; The renewable energy power generation unit, the integrated energy dispatching unit, the water electrolysis hydrogen production unit, and the hydrogen storage unit are communicatively connected.

3. A method for synthesizing a target compound using off-grid renewable energy hydrogen storage, characterized in that, The method, applied to the off-grid renewable energy hydrogen storage system for synthesizing target compounds according to claim 1, comprises: The integrated energy dispatching unit acquires the renewable energy power generation capacity provided by the renewable energy power generation unit; When the renewable energy power generation power matches the preset power, the integrated energy dispatching unit obtains the correspondence between the power generation power generated by the renewable energy power generation system and the time. When the correlation between power generation and time is greater than the rated power, the integrated energy dispatch unit controls the water electrolysis hydrogen production unit to operate hydrogen production based on the correlation between power generation and time, controls the target compound synthesis unit to synthesize the target compound, and stores the excess hydrogen in the hydrogen storage unit; the target compound includes ammonia or ethanol. When the correspondence between the power generation and time is less than or equal to the rated power, the integrated energy dispatching unit controls the fuel cell unit to be in the start-up state and controls the water electrolysis hydrogen production unit to produce hydrogen by opening the hydrogen storage unit, and the target compound synthesis unit synthesizes the target compound. If the stability of the integrated energy dispatching unit does not meet the preset stability condition, the integrated energy dispatching unit controls the fuel cell unit to be in the start-up state, and the corresponding equipment in the integrated energy dispatching unit that does not meet the preset stability condition is in the shutdown state.

4. The method for synthesizing target compounds using off-grid renewable energy hydrogen storage according to claim 3, characterized in that, When the correlation between the power generation and time is less than or equal to the rated power, the integrated energy dispatching unit controls the fuel cell unit to be in the start-up state and controls the water electrolysis hydrogen production unit to operate and produce hydrogen by opening the hydrogen storage unit. After the target compound synthesis unit synthesizes the target compound, the method further includes: When the fuel cell unit is in the start-up state and the stability of the integrated energy dispatching unit does not meet the preset stability condition, the integrated energy dispatching unit controls the electrochemical energy storage unit to be in the start-up state, and the corresponding device in the integrated energy dispatching unit that does not meet the preset stability condition is in the shut-down state.

5. The method for synthesizing target compounds using off-grid renewable energy hydrogen storage according to claim 3, characterized in that, When the integrated energy dispatching unit controls the water electrolysis hydrogen production unit to operate based on the power generation and time correlation when the power generation and time correlation is greater than the rated power, and controls the target compound synthesis unit to synthesize the target compound, and stores the excess hydrogen in the hydrogen storage unit, and when the integrated energy dispatching unit controls the fuel cell unit to be in the start-up state when the stability of the integrated energy dispatching unit does not meet the preset stability condition, before the corresponding equipment in the integrated energy dispatching unit that does not meet the preset stability condition is shut down, the method further includes: When the hydrogen storage capacity in the hydrogen storage unit exceeds the preset high hydrogen storage capacity threshold, the integrated energy dispatching unit controls the discharge of excess hydrogen. When the hydrogen storage capacity in the hydrogen storage unit is less than or equal to the preset high hydrogen storage capacity threshold, the integrated energy dispatching unit transmits the hydrogen information corresponding to hydrogen production and the target compound information corresponding to the synthesis of the target compound to the integrated energy dispatching unit.

6. The method for synthesizing target compounds using off-grid renewable energy hydrogen storage according to claim 5, characterized in that, When the hydrogen storage capacity in the hydrogen storage unit is less than or equal to the preset high-capacity hydrogen storage threshold, after transmitting the hydrogen information corresponding to hydrogen production and the target compound information corresponding to the synthesis of the target compound to the integrated energy dispatch unit, the method further includes: When the stability of the integrated energy dispatching unit meets the preset stability condition, the integrated energy dispatching unit controls the renewable energy power generation unit to continue outputting power.

7. The method for synthesizing target compounds using off-grid renewable energy hydrogen storage according to claim 4, characterized in that, When the correlation between the power generation and time is less than or equal to the rated power, the integrated energy dispatching unit controls the fuel cell unit to be in the start-up state and controls the water electrolysis hydrogen production unit to operate and produce hydrogen by opening the hydrogen storage unit. After the target compound synthesis unit synthesizes the target compound, the method further includes: When the hydrogen storage capacity in the hydrogen storage unit is less than or equal to a preset low hydrogen storage capacity threshold, the integrated energy dispatching unit controls the operating power of the target compound synthesis unit to be adjusted to below the target renewable energy power generation power; wherein, the target renewable energy power generation power is determined based on the correspondence between the power generation power and time.

8. The method for synthesizing target compounds using off-grid renewable energy hydrogen storage according to claim 7, characterized in that, When the hydrogen storage capacity of the integrated energy dispatching unit in the hydrogen storage unit is less than or equal to a preset low hydrogen storage capacity threshold, after controlling the operating power of the target compound synthesis unit to be adjusted below the target renewable energy power generation capacity, the method further includes: When the hydrogen storage capacity in the hydrogen storage unit is greater than the preset low hydrogen storage capacity threshold, the integrated energy dispatching unit transmits the hydrogen information corresponding to hydrogen production and the target compound information corresponding to the synthesis of the target compound to the integrated energy dispatching unit.

9. The method for synthesizing target compounds using off-grid renewable energy hydrogen storage according to claim 4, characterized in that, After the integrated energy dispatch unit obtains the renewable energy power generation capacity provided by the renewable energy power generation unit, the method further includes: When the renewable energy power generation power does not match the preset power, the integrated energy dispatching unit corrects the mismatched renewable energy power generation power based on the correspondence between actual power generation power and time, and generates the correspondence between power generation power and time.

10. An electronic device, characterized in that, include: One or more processors; And one or more machine-readable media thereon storing instructions, which, when executed by the one or more processors, cause to perform the method for synthesizing the target compound from off-grid renewable energy hydrogen storage as described in any one of claims 3-9.

Images