Dual-channel electrolytic cell hydrogen production control method and device and storage medium

Abstract

The invention discloses a double-channel electrolytic cell hydrogen production control method and device and a storage medium in the technical field of new energy hydrogen production control. The method comprises the steps that initial power instructions of a proton exchange membrane electrolytic cell and an alkaline electrolytic cell are obtained; dynamically correcting the initial power instruction according to a preset start-stop control rule and a constraint condition to obtain actual power output; obtaining a hydrogen production rate based on the actual power output; and inputting the hydrogen production rate into a pre-constructed energy conversion efficiency maximization objective function, and solving to obtain the optimal actual power distribution under the condition of satisfying a constraint function of minimizing the unit hydrogen production cost. The technical problems that most control strategies of an existing wind-solar coupled hydrogen production system aim at single electrolysis equipment, adaptability is poor, operation and maintenance cost is high, and economical efficiency and operation efficiency are difficult to balance can be solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of new energy vehicles, and particularly relates to a double-channel electrolytic cell hydrogen production control method and device and a storage medium. BACKGROUND

[0002] With the continuous growth of global demand for clean energy, the proportion of renewable energy such as wind energy and solar energy in the energy structure is increasing. However, the intermittency and randomness of wind power and photovoltaic power generation bring challenges to the stable operation of the power grid, leading to frequent "abandonment of wind and light". Using renewable energy to produce hydrogen by electrolysis of water can effectively improve the energy consumption rate and conversion efficiency.

[0003] At present, alkaline (ALK) electrolytic cells and proton exchange membrane (PEM) electrolytic cells are the main hydrogen production equipment for water electrolysis. Although the ALK electrolytic cell is mature in technology and low in cost, it has slow response and long cold start time; the PEM electrolytic cell has fast dynamic response and wide load regulation range, but has high manufacturing cost and strong material dependence. The existing wind-solar coupled hydrogen production system control strategy is mainly aimed at a single electrolytic device, and has the problems of poor adaptability, high operation and maintenance cost, and difficulty in balancing economy and operation efficiency.

[0004] Therefore, there is an urgent need for a double-channel electrolytic cell hydrogen production control method, device and storage medium to solve the above technical problems. SUMMARY

[0005] The purpose of the present application is to overcome the deficiencies in the prior art, and to provide a double-channel electrolytic cell hydrogen production control method, device and storage medium, which can solve the technical problems of the existing wind-solar coupled hydrogen production system control strategy mainly aimed at a single electrolytic device, poor adaptability, high operation and maintenance cost, and difficulty in balancing economy and operation efficiency.

[0006] To achieve the above purpose, the present application adopts the following technical scheme:

[0007] In a first aspect, the present application provides a double-channel electrolytic cell hydrogen production control method, comprising:

[0008] obtaining a wind power and photovoltaic power signal;

[0009] decomposing the wind power and photovoltaic power signal into a high-frequency intrinsic mode function sequence and a low-frequency intrinsic mode function sequence, distributing the high-frequency intrinsic mode function sequence to a proton exchange membrane electrolytic cell, and distributing the low-frequency intrinsic mode function sequence to an alkaline electrolytic cell to obtain initial power instructions of the proton exchange membrane electrolytic cell and the alkaline electrolytic cell;

[0010] According to the preset start-stop control rule and constraint condition, the initial power instruction is dynamically corrected to obtain actual power output of the proton exchange membrane electrolyzer and the alkaline electrolyzer after dynamic correction;

[0011] Based on the actual power output of the proton exchange membrane electrolyzer and the alkaline electrolyzer, the hydrogen production rate of the proton exchange membrane electrolyzer and the alkaline electrolyzer is obtained.

[0012] The hydrogen production rate is input into a pre-constructed energy conversion efficiency maximization objective function, and under the condition of satisfying a constraint function of minimizing unit hydrogen production cost, the optimal actual power distribution is solved and obtained.

[0013] Further, the wind power and photovoltaic power signal is decomposed into a high-frequency intrinsic mode function sequence and a low-frequency intrinsic mode function sequence, including:

[0014] The wind power and photovoltaic power signal is decomposed into an intrinsic mode function by superimposing zero-mean white noise in the wind power and photovoltaic power signal, and the intrinsic mode function with a frequency higher than a preset frequency standard is classified as a high-frequency intrinsic mode function sequence, and the intrinsic mode function with a frequency lower than the preset frequency standard is classified as a low-frequency intrinsic mode function sequence.

[0015] Further, according to the preset start-stop control rule and constraint condition, the initial power instruction of the alkaline electrolyzer is dynamically corrected, including:

[0016] When the alkaline electrolyzer is in a shutdown state at the previous moment, the cold start state is entered and lasts for a preset first duration;

[0017] When , the alkaline electrolyzer remains in a normal operation state;

[0018] When , the alkaline electrolyzer enters or maintains a shutdown state;

[0019] According to the preset start-stop control rule and constraint condition, the initial power instruction of the proton exchange membrane electrolyzer is dynamically corrected, including:

[0020] When the proton exchange membrane electrolyzer is in a shutdown state at the previous moment, the cold start state is entered and lasts for a preset second duration;

[0021] When , the proton exchange membrane electrolyzer remains in a normal operation state;

[0022] When , the proton exchange membrane electrolyzer enters or maintains a shutdown state;

[0023] Wherein, and are the rated power of the alkaline electrolyzer and the PEM electrolyzer, respectively, and are the initial power commands of the alkaline electrolyzer and the PEM electrolyzer, respectively.

[0024] Further, the actual power outputs of the alkaline electrolyzer and the PEM electrolyzer after the dynamic correction are obtained by:

[0025] When the dynamic correction is performed and the alkaline electrolyzer and the PEM electrolyzer are in normal operation, the actual power outputs of the alkaline electrolyzer and the PEM electrolyzer are equal to the initial power commands of the alkaline electrolyzer and the PEM electrolyzer, respectively;

[0026] When the dynamic correction is performed and the alkaline electrolyzer and the PEM electrolyzer are in shutdown or cold start, the actual power outputs of the alkaline electrolyzer and the PEM electrolyzer are zero.

[0027] Further, the objective function of the maximum energy conversion efficiency is:

[0028] ,

[0029] wherein, is the objective function of the maximum energy conversion efficiency, is the Gibbs free energy, and are the hydrogen production rates of the alkaline electrolyzer and the PEM electrolyzer, respectively, and are the instantaneous output powers of the photovoltaic and wind power systems at time .

[0030] Further, the constraint function of the minimum unit hydrogen production cost is:

[0031] ,

[0032] ,

[0033] ,

[0034] wherein, is the constraint function of the minimum unit hydrogen production cost, and are the purchase and installation costs of the alkaline electrolyzer and the PEM electrolyzer, respectively, are the rated powers of the alkaline electrolyzer and the PEM electrolyzer, respectively, is a first proportional coefficient, is a first proportional coefficient, represents the cost of the raw water consumed per unit mass of hydrogen, hydrogen reserves, system life cycle, annual maintenance and labor costs, unit installation cost of photovoltaic and wind power systems, installed capacity of photovoltaic and wind power systems.

[0035] In a second aspect, the present application provides a dual-channel electrolytic cell hydrogen production control device, comprising:

[0036] a signal acquisition module for acquiring wind power and photovoltaic power signals;

[0037] a signal decomposition module for decomposing the wind power and photovoltaic power signals into high-frequency intrinsic mode function sequences and low-frequency intrinsic mode function sequences, assigning the high-frequency intrinsic mode function sequences to a proton exchange membrane electrolyzer, and assigning the low-frequency intrinsic mode function sequences to an alkaline electrolyzer, to obtain initial power instructions of the proton exchange membrane electrolyzer and the alkaline electrolyzer;

[0038] a power correction module for dynamically correcting the initial power instructions according to preset start-stop control rules and constraint conditions, to determine actual power outputs of the proton exchange membrane electrolyzer and the alkaline electrolyzer;

[0039] a hydrogen production rate acquisition module for acquiring hydrogen production rates of the proton exchange membrane electrolyzer and the alkaline electrolyzer based on the actual power outputs of the proton exchange membrane electrolyzer and the alkaline electrolyzer;

[0040] a solving module for inputting the hydrogen production rates into a pre-constructed energy conversion efficiency maximization objective function, and solving to obtain optimal actual power distribution under the condition of satisfying a constraint function of minimizing unit hydrogen production cost.

[0041] In a third aspect, the present application provides an electronic terminal comprising a processor and a memory connected to the processor, and the memory stores a computer program, when the computer program is executed by the processor, the steps of the method according to any one of the above aspects are executed.

[0042] In a fourth aspect, the present application provides a computer readable storage medium, which stores a computer program, and the computer program is executed by a processor to implement the steps of the method according to any one of the above aspects.

[0043] Compared with the prior art, the present application has the following beneficial effects:

[0044] The application firstly proposes a hydrogen production control method of a double-channel electrolytic cell. After obtaining wind power and photovoltaic power signals, the method decomposes the signals into high-frequency intrinsic mode function sequences and low-frequency intrinsic mode function sequences, and distributes the sequences to a proton exchange membrane electrolytic cell and an alkaline electrolytic cell to obtain initial power instructions of the proton exchange membrane electrolytic cell and the alkaline electrolytic cell. After power correction is performed on the initial power instructions, actual power outputs of the proton exchange membrane electrolytic cell and the alkaline electrolytic cell are obtained. Based on the actual power outputs, hydrogen production rates of the proton exchange membrane electrolytic cell and the alkaline electrolytic cell are obtained. Based on the hydrogen production rates, an optimal actual power distribution is obtained under the conditions of a pre-constructed target function and a constraint function. The method realizes accurate distribution of wind power and photovoltaic power, effectively improves energy conversion efficiency, and reduces unit hydrogen production cost. BRIEF DESCRIPTION OF DRAWINGS

[0045] Figure 1 is a flowchart of a hydrogen production control method of a double-channel electrolytic cell provided by an embodiment of the application.

[0046] Figure 2 is a structural schematic diagram of a hydrogen production control system of a double-channel electrolytic cell provided by an embodiment of the application.

[0047] Figure 3 is a control module relationship diagram of a hydrogen production control system of a double-channel electrolytic cell provided by an embodiment of the application. DETAILED DESCRIPTION

[0048] The technical solutions of the application are described in detail below with reference to the drawings and specific embodiments. It should be understood that the specific features in the embodiments and the specific embodiments are detailed descriptions of the technical solutions of the application, rather than limitations of the technical solutions of the application. In the case of no conflict, the technical features in the embodiments and the specific embodiments can be combined with each other.

[0049] In the application, the term "and / or" is only used to describe the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can mean that A exists alone, A and B exist, and B exists alone. In addition, the character " / " in the application generally represents an "or" relationship between the associated objects before and after it.

[0050] Embodiment one:

[0051] Figure 1 is a flowchart of the hydrogen production control method of the double-channel electrolytic cell in the first embodiment of the application. The flowchart only shows the logical order of the method described in the embodiment. In the case of no conflict, the steps shown or described can be completed in an order different from that shown in the flowchart in other possible embodiments of the application. Figure 1

[0052] ​The double-channel electrolytic cell hydrogen production control method provided in the embodiment can be applied to a terminal and can be executed by a mechanical equipment fault identification device, which can be implemented in a software and / or hardware manner and can be integrated in the terminal, for example, any smart phone, tablet computer or computer device with a communication function. The method of the embodiment specifically includes the following steps.

[0053] Step one: Figure 1 is a flowchart of the double-channel electrolytic cell hydrogen production control method in Embodiment One of the present application. The flowchart only shows the logical order of the method described in the embodiment, and the steps shown or described can be completed in an order different from that shown in other possible embodiments of the present application without conflict. Figure 1

[0054] The double-channel electrolytic cell hydrogen production control method provided in the embodiment can be applied to a terminal and can be executed by a mechanical equipment fault identification device, which can be implemented in a software and / or hardware manner and can be integrated in the terminal, for example, any smart phone, tablet computer or computer device with a communication function. The method of the embodiment specifically includes the following steps.

[0055] Step one: Obtain wind power and photovoltaic power signals;

[0056] It should be noted that the double-channel electrolytic cell hydrogen production control method disclosed in the embodiment can be executed by a double-channel electrolytic cell hydrogen production system, which, as shown in Figure 2 includes:

[0057] a wind power generation device, a photovoltaic power generation device, an AC / DC converter (for obtaining wind power and photovoltaic power signals) connected with the wind power generation device and the photovoltaic power generation device, an EEMD (Ensemble-Empirical-Mode-Decomposition) module, an MOPSO (Multi-Objective-Particle-Swarm-Optimization) module (not shown in the figure), a start-stop scheduling module based on Petri net, an ALK electrolytic cell, a PEM electrolytic cell, and a hydrogen storage tank connected with hydrogen output ends of the ALK electrolytic cell and the PEM electrolytic cell;

[0058] The Petri net is a mathematical modeling tool for describing and analyzing the dynamic behavior of concurrent, asynchronous and distributed systems, and has graphical intuition and strict mathematical logic. In addition, the EEMD module and the MOPSO module mentioned above belong to the prior art, and will not be described here.​

[0059] Step two: decomposing the wind and photovoltaic power signal into a high-frequency intrinsic mode function sequence and a low-frequency intrinsic mode function sequence comprises:

[0060] Controlling the EEMD module to superimpose zero-mean white noise in the wind and photovoltaic power signal, decomposing the wind and photovoltaic power signal into intrinsic mode functions, classifying intrinsic mode functions with a frequency higher than a preset frequency standard as a high-frequency intrinsic mode function sequence, and classifying intrinsic mode functions with a frequency lower than the preset frequency standard as a low-frequency intrinsic mode function sequence.

[0061] Assigning the high-frequency intrinsic mode function sequence to a proton exchange membrane electrolyzer and the low-frequency intrinsic mode function sequence to an alkaline electrolyzer to obtain initial power instructions of the proton exchange membrane electrolyzer and the alkaline electrolyzer.

[0062] Step three: specifically, dynamically modifying the initial power instruction of the alkaline electrolyzer according to a preset start-stop control rule and constraint condition comprises:

[0063] When the alkaline electrolyzer was in a shutdown state at the previous time, it enters a cold start state and lasts for a preset first duration (2 hours in this embodiment);

[0064] When , the alkaline electrolyzer remains in a normal operation state;

[0065] When , the alkaline electrolyzer enters or maintains a shutdown state;

[0066] Dynamically modifying the initial power instruction of the proton exchange membrane electrolyzer according to a preset start-stop control rule and constraint condition comprises:

[0067] When the proton exchange membrane electrolyzer was in a shutdown state at the previous time, it enters a cold start state and lasts for a preset second duration (30 minutes in this embodiment);

[0068] When , the proton exchange membrane electrolyzer remains in a normal operation state;

[0069] When , the proton exchange membrane electrolyzer enters or maintains a shutdown state;

[0070] Wherein, and are the rated power of the alkaline electrolyzer and the proton exchange membrane electrolyzer, respectively, and are the initial power instructions of the alkaline electrolyzer and the proton exchange membrane electrolyzer, respectively.

[0071] obtaining the actual power output of the proton exchange membrane electrolyzer and the alkaline electrolyzer after dynamic correction:

[0072] when the dynamic correction is in a normal operation state, the actual power output of the proton exchange membrane electrolyzer and the alkaline electrolyzer is equal to the initial power instruction of the proton exchange membrane electrolyzer and the alkaline electrolyzer;

[0073] when the dynamic correction is in a shutdown state or a cold start state, the actual power output of the proton exchange membrane electrolyzer and the alkaline electrolyzer is zero, and hydrogen production is not carried out. Thus, dynamic correction of power distribution of the EEMD module is realized, frequent start-stop caused by power fluctuation is effectively avoided, and system operation stability and safety are improved.

[0074] Step four: obtaining the hydrogen production rate of the proton exchange membrane electrolyzer and the alkaline electrolyzer based on the actual power output of the proton exchange membrane electrolyzer and the alkaline electrolyzer.

[0075] Step five: inputting the hydrogen production rate into a pre-constructed energy conversion efficiency maximization objective function, and solving and obtaining the optimal actual power distribution under the condition of meeting the constraint function of minimizing unit hydrogen production cost.

[0076] Specifically, the objective function of energy conversion efficiency maximization is:

[0077] ,

[0078] wherein, is the objective function of energy conversion efficiency maximization, is the Gibbs free energy, and are the hydrogen production rates of the alkaline electrolyzer and the proton exchange membrane electrolyzer, respectively, and are the instantaneous output powers of the photovoltaic and wind power systems at time .

[0079] Specifically, the constraint function of meeting the minimum unit hydrogen production cost includes:

[0080] ,

[0081] ,

[0082] ,

[0083] wherein, is the constraint function of meeting the minimum unit hydrogen production cost, and The purchase and installation costs of the alkaline electrolyzer and the proton exchange membrane electrolyzer, respectively, The rated power of the alkaline electrolyzer and the proton exchange membrane electrolyzer, respectively, The first proportional coefficient, The first proportional coefficient, The cost of the raw water consumed per unit mass of hydrogen, The hydrogen reserves, The system life cycle, The annual maintenance and labor costs, The unit purchase and installation costs of the photovoltaic and wind power systems, respectively, The installed capacities of the photovoltaic and wind power systems, respectively.

[0084] Regarding the specific solving method, to realize double-objective optimization, the filter reconstruction order and the capacity retention rate of the PEM electrolyzer are set as decision variables, the MOPSO algorithm is run, the algorithm parameters are set, and the electrolyzer capacity configuration and power distribution are adjusted according to the optimization results, which belong to the prior art and will not be described here.

[0085] In addition, system operation and monitoring can also be included: the hydrogen production system is operated according to the optimization scheme, the electrolyzer load power, hydrogen production, energy conversion efficiency, unit hydrogen production cost and other indicators are monitored in real time, and the system is optimized and adjusted according to the monitoring results to ensure stable and efficient operation of the system.

[0086] Embodiment two:

[0087] The embodiment two of the present application provides a double-channel electrolyzer hydrogen production control device, which comprises:

[0088] A signal acquisition module is configured to acquire wind power and photovoltaic power signals.

[0089] A signal decomposition module is configured to decompose the wind power and photovoltaic power signals into high-frequency intrinsic mode function sequences and low-frequency intrinsic mode function sequences, distribute the high-frequency intrinsic mode function sequences to a proton exchange membrane electrolyzer, distribute the low-frequency intrinsic mode function sequences to an alkaline electrolyzer, and obtain initial power instructions of the proton exchange membrane electrolyzer and the alkaline electrolyzer.

[0090] A power correction module is configured to dynamically correct the initial power instructions according to preset start-stop control rules and constraint conditions, and determine actual power outputs of the proton exchange membrane electrolyzer and the alkaline electrolyzer.

[0091] A hydrogen production rate acquisition module is configured to acquire hydrogen production rates of the proton exchange membrane electrolyzer and the alkaline electrolyzer based on the actual power outputs of the proton exchange membrane electrolyzer and the alkaline electrolyzer.

[0092] The solving module is configured to input the hydrogen production rate into a pre-constructed energy conversion efficiency maximization objective function, and solve an optimal actual power distribution under a constraint function condition of satisfying unit hydrogen production cost minimization.

[0093] The double-channel electrolytic cell hydrogen production control device provided in the second embodiment of the present application can execute the double-channel electrolytic cell hydrogen production control method provided in the first embodiment of the present application, and has the function modules and beneficial effects corresponding to the execution method.

[0094] Embodiment three:

[0095] The electronic terminal provided in the third embodiment of the present application can execute the double-channel electrolytic cell hydrogen production control method provided in the first embodiment of the present application, and has the function modules and beneficial effects corresponding to the execution method.

[0096] The electronic terminal provided in the third embodiment of the present application can execute the double-channel electrolytic cell hydrogen production control method provided in the first embodiment of the present application, and has the function modules and beneficial effects corresponding to the execution method.

[0097] Embodiment four:

[0098] The computer readable storage medium provided in the fourth embodiment of the present application has the function modules and beneficial effects corresponding to the execution method, and stores the computer program which is executed by the processor to realize the steps of the method provided in the first embodiment of the present application.

[0099] Those skilled in the art should understand that the embodiments of the present application can be provided as a method, device, or computer program product. Therefore, the present application can adopt a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present application can adopt a computer program product in the form of being implemented on one or more computer usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer usable program codes.

[0100] The present application is described with reference to flowcharts and / or block diagrams according to the methods, devices (apparatuses), and computer program products of the embodiments of the present application. It should be understood that each flow and / or block in the flowcharts and / or block diagrams, and the combination of the flows and / or blocks in the flowcharts and / or block diagrams can be implemented by computer program instructions. These computer program instructions can be provided to a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing devices to produce a machine, so that the instructions executed by the computer or other programmable data processing devices produce a device that implements the functions specified in the flowcharts and / or block diagrams. Figure 1 The device that implements the functions specified in one flow or multiple flows and / or blocks Figure 1 one flow or multiple flows and / or blocks

[0101] These computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture including instructions which implement the flow Figure 1 one or more flow or blocks Figure 1 one or more flow or blocks

[0102] These computer program instructions can also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions that are executed on the computer or other programmable apparatus provide steps for implementing the flow Figure 1 one or more flow or blocks Figure 1 one or more flow or blocks

[0103] The above description is only preferred embodiments of the present application, it should be pointed out that for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A method for controlling hydrogen production in a dual-channel electrolyzer, characterized in that, include: Acquire wind and solar power signals; The wind power and photovoltaic power signals are decomposed into high-frequency intrinsic mode function sequences and low-frequency intrinsic mode function sequences. The high-frequency intrinsic mode function sequences are assigned to the proton exchange membrane electrolyzer, and the low-frequency intrinsic mode function sequences are assigned to the alkaline electrolyzer, thereby obtaining the initial power commands of the proton exchange membrane electrolyzer and the alkaline electrolyzer. According to the preset start-stop control rules and constraints, the initial power command is dynamically corrected to obtain the actual power output of the proton exchange membrane electrolyzer and the alkaline electrolyzer after dynamic correction. The hydrogen production rate of the proton exchange membrane electrolyzer and the alkaline electrolyzer is obtained based on the actual power output of the proton exchange membrane electrolyzer and the alkaline electrolyzer. The hydrogen production rate is input into a pre-constructed objective function to maximize energy conversion efficiency. Under the constraint of minimizing the unit cost of hydrogen production, the optimal actual power allocation is obtained by solving the problem.

2. The dual-channel electrolyzer hydrogen production control method according to claim 1, characterized in that, The decomposition of the wind power and photovoltaic power signals into high-frequency intrinsic mode function sequences and low-frequency intrinsic mode function sequences includes: Zero-mean white noise is superimposed on the wind power and photovoltaic power signals to decompose the wind power and photovoltaic power signals into intrinsic mode functions. Intrinsic mode functions with frequencies higher than a preset frequency standard are classified as high-frequency intrinsic mode function sequences, and intrinsic mode functions with frequencies lower than a preset frequency standard are classified as low-frequency intrinsic mode function sequences.

3. The dual-channel electrolyzer hydrogen production control method according to claim 1, characterized in that, The dynamic correction of the initial power command of the alkaline electrolyzer, based on preset start-stop control rules and constraints, includes: When the alkaline electrolytic cell was in the off state at the previous moment, it enters the cold start state and continues for a preset first duration. when During this period, the alkaline electrolytic cell remains in normal operating condition; when At this time, the alkaline electrolytic cell enters or remains in the off state; The dynamic correction of the initial power command of the proton exchange membrane electrolyzer, based on preset start-stop control rules and constraints, includes: If the proton exchange membrane electrolyzer was in a shutdown state at the previous moment, it will switch to a cold start state and continue for a preset second duration. when During this time, the proton exchange membrane electrolyzer remains in normal operating condition; when At this time, the proton exchange membrane electrolyzer enters or remains in a shutdown state; in, and These are the rated powers of the alkaline electrolyzer and the proton exchange membrane electrolyzer, respectively. and These are the initial power commands for the alkaline electrolyzer and the proton exchange membrane electrolyzer, respectively.

4. The dual-channel electrolyzer hydrogen production control method according to claim 1, characterized in that, The actual power output of the proton exchange membrane electrolyzer and alkaline electrolyzer after dynamic correction includes: When the system is in normal operation after dynamic correction, the actual power output of the proton exchange membrane electrolyzer and the alkaline electrolyzer is equal to the initial power command of the proton exchange membrane electrolyzer and the alkaline electrolyzer. When the system is in a shutdown or cold start state after dynamic correction, the actual power output of the proton exchange membrane electrolyzer and the alkaline electrolyzer is zero.

5. The dual-channel electrolyzer hydrogen production control method according to claim 1, characterized in that, The objective function for maximizing the energy conversion efficiency is: ， in, The objective function is to maximize energy conversion efficiency. For Gibbs free energy, and The figures represent the hydrogen production rates of an alkaline electrolyzer and a proton exchange membrane electrolyzer, respectively. and The photovoltaic and wind power systems were respectively located at the time of Instantaneous output power at that time.

6. The dual-channel electrolyzer hydrogen production control method according to claim 5, characterized in that, The constraint functions that satisfy the minimization of unit hydrogen production cost include: ， ， ， in, To satisfy the constraint function of minimizing the unit cost of hydrogen production, and The costs are for the purchase and installation of alkaline electrolyzers and proton exchange membrane electrolyzers, respectively. These are the rated powers of the alkaline electrolyzer and the proton exchange membrane electrolyzer, respectively. The first proportionality coefficient, The first proportionality coefficient, This represents the cost of raw water consumed per unit mass of hydrogen. For hydrogen reserves, For the system lifecycle, For annual maintenance and labor costs, The unit purchase and installation costs for photovoltaic and wind power systems are respectively. These represent the installed capacity of photovoltaic and wind power systems, respectively.

7. A dual-channel electrolyzer hydrogen production control device, characterized in that, include: The signal acquisition module is used to acquire wind power and photovoltaic power signals; The signal decomposition module is used to decompose the wind power and photovoltaic power signals into high-frequency intrinsic mode function sequences and low-frequency intrinsic mode function sequences, allocate the high-frequency intrinsic mode function sequences to the proton exchange membrane electrolyzer, and allocate the low-frequency intrinsic mode function sequences to the alkaline electrolyzer, thereby obtaining the initial power commands of the proton exchange membrane electrolyzer and the alkaline electrolyzer. The power correction module is used to dynamically correct the initial power command according to the preset start-stop control rules and constraints, and determine the actual power output of the proton exchange membrane electrolyzer and the alkaline electrolyzer. The hydrogen production rate acquisition module is used to acquire the hydrogen production rate of the proton exchange membrane electrolyzer and the alkaline electrolyzer based on the actual power output of the proton exchange membrane electrolyzer and the alkaline electrolyzer. The solution module is used to input the hydrogen production rate into a pre-constructed objective function for maximizing energy conversion efficiency, and to solve for the optimal actual power allocation under the constraint function of minimizing the unit hydrogen production cost.

8. An electronic terminal, characterized in that, It includes a processor and a memory connected to the processor, wherein a computer program is stored in the memory, and when the computer program is executed by the processor, it performs the steps of the method as described in any one of claims 1 to 6.

9. A computer-readable storage medium having a computer program stored thereon, characterized in that, When executed by a processor, the computer program performs the steps of the method according to any one of claims 1 to 6.

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