Energy management and control system for wind-solar complementary hydrogen production

Abstract

The invention, which relates to the technical field of energy management and control, discloses an energy management and control system for wind-solar complementary hydrogen production, comprising an information acquisition module, a demand analysis module, a wind-solar power generation monitoring module, a complementary energy supply module, a stability index analysis module and an influence module. The system has the advantages that the demand analysis module can accurately calculate and distribute the required basic energy based on the starting demand of the hydrogen production equipment, and the wind and light power generation monitoring module can rapidly and preliminarily analyze the energy supply proportion adjustment time according to a preset mechanism, and can timely adjust the time when needed, so that the energy supply efficiency is improved. By means of the complementary energy supply module, wind energy and light energy can work cooperatively, stable electric power is provided for hydrogen production equipment at the optimal proportion according to the actual power generation capacity and the energy storage level of the wind energy and the light energy, the advantage of wind and light complementation is brought into full play, and when any one of wind energy supply equipment and light energy supply equipment goes wrong, the energy supply efficiency is improved. And the hydrogen production equipment can still keep the most basic operation.

Description

Technical Field

[0001] The present invention relates to the field of energy management and control technology, and specifically to an energy management and control system for wind-solar complementary hydrogen production. Background Art

[0002] Hydrogen is a chemical element with the symbol H, and it ranks first in the periodic table. Hydrogen is usually in its single form, which is colorless, tasteless, and odorless. It is a highly flammable gas composed of diatomic molecules. Hydrogen is the lightest gas. A hydrogen generator is a device that uses the advanced PSA pressure swing adsorption principle to separate high-purity hydrogen from the ammonia decomposition gas mixture by using the different adsorption capacities of the adsorbent in the adsorption tower for different gases under a certain pressure.

[0003] The common energy control system for wind-solar complementary hydrogen production cannot make adaptive adjustments to the energy supply ratio in time when in use, which affects the stable energy supply of the hydrogen production equipment, easily leads to energy supply interruption or unstable operation of the hydrogen production equipment, and affects the continuity of hydrogen production. For this reason, we propose an energy control system for wind-solar complementary hydrogen production. Summary of the invention

[0004] The purpose of the present invention is to provide an energy management and control system for wind-solar complementary hydrogen production.

[0005] In order to solve the problems raised in the above background technology, the present invention provides the following technical solutions: an energy management and control system for wind-solar complementary hydrogen production, comprising an information collection module, the information collection module can collect hydrogen production equipment information and wind-solar power generation equipment information, and also includes a demand analysis module, a wind-solar power generation monitoring module, a complementary energy supply module, a stability index analysis module and an impact module; The demand analysis module extracts the hydrogen production equipment information, analyzes the energy required for basic operation and normal operation of the hydrogen production equipment information, and obtains the basic operation energy information and normal operation energy information; Wind and solar power generation monitoring module, monitors the power generation of wind power generation and solar power generation, obtains the power acquisition speed of wind power generation and solar power generation, analyzes the wind power supply speed information and the solar power supply speed information, and preliminarily analyzes the energy supply ratio adjustment time based on the wind power supply speed information and the solar power supply speed information, so as to adjust the energy supply ratio in time when the wind power supply and the solar power supply are complementary; A complementary energy supply module extracts basic operating energy information and normal operating energy information, establishes a main supply unit and an auxiliary supply unit, uses the basic operating energy information to determine the lowest energy supply ratio of the auxiliary supply unit during complementary energy supply, extracts the electric energy information stored in wind power generation and solar power generation, obtains wind energy storage information and solar energy storage information, calculates the energy supply ratio during complementary energy supply based on the wind energy storage information and the solar energy storage information, and determines the energy supply information in the main supply unit and the energy supply information in the auxiliary supply unit; The stability index analysis module collects the stability of previous energy supply modes during power supply, analyzes the stability of complementary energy supply modes during power supply, calculates the stability index improved by complementary energy supply during power supply, and determines the effect of complementary energy supply; The impact module analyzes the impact of the stability of the complementary energy supply mode during power supply on the operation of the hydrogen production equipment, and determines the effect of the hydrogen production equipment during complementary energy supply.

[0006] As a further solution of the present invention: when analyzing the energy required for basic operation and normal operation of the hydrogen production equipment, the demand analysis module analyzes the electric energy information required by different hydrogen production equipment to maintain the startup state, and obtains the electric energy information required by different hydrogen production equipment under normal operation. Suppose the number of different hydrogen production equipment is B, and the minimum electric energy required by different hydrogen production equipment to maintain the startup state is , assuming the basic operating energy is ; ; The basic operating energy can be calculated according to the above formula.

[0007] As a further solution of the present invention: after calculating the normal operating energy of the hydrogen production equipment, the demand analysis module sets the electric energy required by different hydrogen production equipment to maintain the startup state as , assuming the normal operating energy is ; ; The normal operating energy of the hydrogen production equipment can be calculated based on the above formula.

[0008] As a further solution of the present invention: when analyzing the energy supply ratio adjustment time, the wind-solar power generation monitoring module will extract the power acquisition speed of wind power generation and solar power generation when the energy supply starts, generate initial speed information, collect the change information of the power acquisition speed, and establish an interval calculation unit, wherein the interval calculation unit records the interval time information, and each time the interval time passes, the power acquisition speed of the time will be extracted to generate the interval speed information. The initial speed information is set as , assuming the interval speed information is , let the change index be ; ; The variation index can be calculated according to the above formula, and the variation index between the initial speed information and the speed information at different intervals can be calculated in turn.

[0009] As a further solution of the present invention: after calculating the change index, the wind-solar power generation monitoring module establishes an adjustment threshold, and the adjustment threshold is set as ; when There is no need to adjust the energy supply ratio of wind power and solar energy; when When the energy supply ratio of wind power and solar power needs to be adjusted, the corresponding time is recorded. After the energy supply ratio adjustment is completed, the interval speed information corresponding to the change index will overwrite the initial speed information, and the time when the energy supply ratio of wind power and solar power needs to be adjusted next time is calculated.

[0010] As a further solution of the present invention: when calculating the energy supply ratio during complementary energy supply, the complementary energy supply module will synchronously calculate the energy supply ratio during complementary energy supply according to the interval calculation unit, determine the minimum energy supply ratio occupied by the auxiliary supply unit, and set the wind energy storage information as , assuming that the light energy storage information is , assuming that the energy supply ratio occupied by the auxiliary supply unit is ,when hour; ; when hour; ; The energy supply proportion occupied by the auxiliary supply unit can be calculated through the above formula.

[0011] As a further solution of the present invention: when calculating the energy supply ratio occupied by the auxiliary supply unit, the complementary energy supply module will analyze the relationship between the minimum energy supply ratio occupied by the auxiliary supply unit and the calculated energy supply ratio occupied by the auxiliary supply unit, determine the energy supply ratio occupied by the main supply unit, and set the minimum energy supply ratio of the auxiliary supply unit to , assuming that the energy supply ratio occupied by the main supply unit is ; when When the energy supply of the auxiliary supply unit accounts for ; ; when When the energy supply of the auxiliary supply unit accounts for ; ; According to the above formula, the energy supply proportion occupied by the main supply unit can be calculated.

[0012] As a further solution of the present invention: when the complementary energy supply module determines the energy supply information in the main supply unit and the energy supply information in the auxiliary supply unit, the normal operation energy information is set to , assuming that the wind power supply speed information is , assuming that the light energy supply speed information is , assuming the wind index is ; When the main supply unit is wind power supply information; ; When the main supply unit is light energy supply information; ; The wind index can be calculated according to the above formula.

[0013] As a further solution of the present invention: after calculating the wind and solar index, the complementary energy supply module needs to determine Is it greater than 1? When the main supply unit is wind power supply information, and >1, the energy supply information in the main supply unit will be adjusted to light energy supply information. When ≤1, there is no need to adjust the energy supply information in the main supply unit; When the main supply unit is light energy supply information, and ≥1, there is no need to adjust the energy supply information in the main supply unit. When <1, the energy supply information in the main supply unit will be adjusted to wind energy supply information.

[0014] By adopting the above technical solution, compared with the prior art, the beneficial effects of the present invention are: 1. The demand analysis module of the present invention can accurately calculate and allocate the required basic energy based on the startup requirements of the hydrogen production equipment. The wind and solar power generation monitoring module can quickly and preliminarily analyze the energy supply ratio adjustment time according to the preset mechanism, and make timely adjustments when necessary. The complementary energy supply module can enable the wind and solar energy to work together to provide stable electricity for the hydrogen production equipment at the optimal ratio, giving full play to the advantages of wind and solar complementarity. When any of the wind power supply and solar energy supply equipment has problems, the hydrogen production equipment can still maintain the most basic operation; 2. The present invention can help to reasonably plan the energy supply strategy of wind and solar power generation equipment during the system startup phase through the energy analysis module, and can timely capture the fluctuation of wind or solar power generation power through the wind and solar power generation monitoring module, which helps to fully understand the changing trend of energy supply speed, predict possible energy supply problems in advance, and form a closed-loop dynamic adjustment mechanism to ensure that the hydrogen production process can be carried out stably under different weather and light conditions; 3. The present invention can more accurately reflect the difference in energy supply capacity of the two energy sources under different energy storage states through complementary energy supply modules, so that the system has better adaptability and robustness, maintains the stability of energy supply to the hydrogen production equipment, reduces the risk of interruption or reduced efficiency of the hydrogen production process due to unstable energy supply, and further optimizes the energy supply strategy. It provides data support and decision-making basis, automatically selects the optimal main energy supply, gives full play to the advantages of wind and solar energy, and ensures that the hydrogen production equipment can operate stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Schematic diagram of the system flow in an embodiment of the present invention. DETAILED DESCRIPTION

[0016] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0017] In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0018] Embodiment 1:

[0019] Therefore, in order to effectively solve the above problems, the present application proposes an energy management and control system for wind-solar hybrid hydrogen production, as shown in the accompanying drawings of the specification. Figure 1 As shown, it includes an information collection module, which can collect hydrogen production equipment information and wind and solar power generation equipment information, and also includes a demand analysis module, a wind and solar power generation monitoring module, a complementary energy supply module, a stability index analysis module and an impact module; The demand analysis module extracts the hydrogen production equipment information, analyzes the energy required for basic operation and normal operation of the hydrogen production equipment information, and obtains the basic operation energy information and normal operation energy information; Based on the analysis of the energy required for the basic operation and normal operation of the hydrogen production equipment, the dynamic energy demand changes of the hydrogen production equipment under different production stages and different hydrogen production requirements are considered. By establishing a dynamic energy demand model and combining the real-time production plan and working conditions of the hydrogen production equipment, the energy required for each period can be determined more accurately. Wind and solar power generation monitoring module, monitors the power generation of wind power generation and solar power generation, obtains the power acquisition speed of wind power generation and solar power generation, analyzes the wind power supply speed information and the solar power supply speed information, and preliminarily analyzes the energy supply ratio adjustment time based on the wind power supply speed information and the solar power supply speed information, so as to adjust the energy supply ratio in time when the wind power supply and the solar power supply are complementary; Predict short-term and medium-term changes in power generation and energy supply speed, and plan energy supply ratio adjustment strategies in advance based on these forecast results; A complementary energy supply module extracts basic operating energy information and normal operating energy information, establishes a main supply unit and an auxiliary supply unit, uses the basic operating energy information to determine the lowest energy supply ratio of the auxiliary supply unit during complementary energy supply, extracts the electric energy information stored in wind power generation and solar power generation, obtains wind energy storage information and solar energy storage information, calculates the energy supply ratio during complementary energy supply based on the wind energy storage information and the solar energy storage information, and determines the energy supply information in the main supply unit and the energy supply information in the auxiliary supply unit; The stability index analysis module collects the stability of previous energy supply modes during power supply, analyzes the stability of complementary energy supply modes during power supply, calculates the stability index improved by complementary energy supply during power supply, and determines the effect of complementary energy supply; The impact module analyzes the impact of the stability of the complementary energy supply mode during power supply on the operation of the hydrogen production equipment, and determines the effect of the hydrogen production equipment during complementary energy supply.

[0020] Specific work flow: Collect hydrogen production equipment information and wind and solar power generation equipment information, analyze the energy required for basic operation and normal operation of hydrogen production equipment information, analyze wind power supply speed information and light power supply speed information, preliminarily analyze the energy supply ratio adjustment time, establish the main supply unit and the auxiliary supply unit, determine the lowest energy supply ratio of the auxiliary supply unit during complementary energy supply, calculate the energy supply ratio during complementary energy supply, determine the energy supply information in the main supply unit and the energy supply information in the auxiliary supply unit, and analyze the stability of the complementary energy supply method during power supply; Furthermore, the demand analysis module will accurately calculate and allocate the required basic energy based on the startup requirements of the hydrogen production equipment. The wind and solar power generation monitoring module can quickly and preliminarily analyze the energy supply ratio adjustment time according to the preset mechanism, and make timely adjustments when necessary. The complementary energy supply module can enable the wind and solar energy to work together to provide stable electricity to the hydrogen production equipment in the optimal ratio, giving full play to the advantages of wind and solar complementarity. When any problem occurs in any of the wind power supply and solar power supply equipment, the hydrogen production equipment can still maintain the most basic operation.

[0021] Embodiment 2:

[0022] Based on the first embodiment, as shown in the accompanying drawings of the specification Figure 1 As shown, when analyzing the energy required for basic operation and normal operation of the hydrogen production equipment, the demand analysis module analyzes the electric energy information required by different hydrogen production equipment to maintain the startup state, and obtains the electric energy information required by different hydrogen production equipment under normal operation. Suppose the number of different hydrogen production equipment is B, and the minimum electric energy required by different hydrogen production equipment to maintain the startup state is , assuming the basic operating energy is ; ; According to the above formula, the basic operating energy can be calculated; After calculating the normal operating energy of the hydrogen production equipment, the demand analysis module assumes that the electric energy required by different hydrogen production equipment to maintain the startup state is , assuming the normal operating energy is ; ; According to the above formula, the normal operating energy of hydrogen production equipment can be calculated; When analyzing the energy supply ratio adjustment time, the wind-solar power generation monitoring module extracts the power acquisition speed of wind power generation and solar power generation when the energy supply starts, generates initial speed information, collects the change information of the power acquisition speed, and establishes an interval calculation unit, wherein the interval calculation unit records the interval time information, and extracts the power acquisition speed of the time after each interval time passes, generates the interval speed information, and sets the initial speed information as , assuming the interval speed information is , let the change index be ; ; According to the above formula, the change index can be calculated, and the change index between the initial speed information and the speed information at different intervals is calculated in turn; After calculating the change index, the wind and solar power generation monitoring module establishes an adjustment threshold, and the adjustment threshold is set as ; when There is no need to adjust the energy supply ratio of wind power and solar energy; when When the energy supply ratio of wind power and solar power needs to be adjusted, the corresponding time is recorded. After the energy supply ratio adjustment is completed, the interval speed information corresponding to the change index will overwrite the initial speed information, and the time when the energy supply ratio of wind power and solar power needs to be adjusted next time is calculated; By installing distributed light sensors and cleanliness monitoring devices on the surface of photovoltaic panels, the power generation status of each photovoltaic panel can be monitored in real time, so that energy supply adjustments can be made quickly when local power generation abnormalities occur.

[0023] Specific work flow: Analyze the electric energy information required by different hydrogen production equipment to maintain the startup state, and obtain the electric energy information required by different hydrogen production equipment under normal operation, calculate the basic operating energy and the normal operating energy of the hydrogen production equipment, extract the electric energy acquisition speed of wind power generation and solar power generation when the energy supply starts, calculate the change index between the initial speed information and the speed information at different intervals, and judge whether it is necessary to adjust the energy supply ratio of wind power supply and solar power supply; Furthermore, the energy analysis module helps to rationally plan the energy supply strategy of wind and solar power generation equipment during the system startup phase. The wind and solar power generation monitoring module can timely capture the fluctuations in wind or solar power generation power, which helps to fully understand the changing trend of energy supply speed and predict possible energy supply problems in advance. It can form a closed-loop dynamic adjustment mechanism, constantly adapt to changes in the external environment, and ensure that the hydrogen production process can proceed stably under different weather and light conditions.

[0024] Embodiment three:

[0025] Based on the second embodiment, as shown in the accompanying drawings of the specification Figure 1 As shown, when calculating the energy supply ratio of complementary energy supply, the complementary energy supply module will synchronously calculate the energy supply ratio of complementary energy supply according to the interval calculation unit to determine the minimum energy supply ratio occupied by the auxiliary supply unit. Suppose the wind energy storage information is , assuming that the light energy storage information is , assuming that the energy supply ratio occupied by the auxiliary supply unit is ,when hour; ; when hour; ; The above formula can be used to calculate the energy supply ratio occupied by the auxiliary supply unit; When calculating the energy supply ratio occupied by the auxiliary supply unit, the complementary energy supply module analyzes the relationship between the minimum energy supply ratio occupied by the auxiliary supply unit and the calculated energy supply ratio occupied by the auxiliary supply unit, determines the energy supply ratio occupied by the main supply unit, and sets the minimum energy supply ratio of the auxiliary supply unit as , assuming that the energy supply ratio occupied by the main supply unit is ; when When the energy supply of the auxiliary supply unit accounts for ; ; when When the energy supply of the auxiliary supply unit accounts for ; ; According to the above formula, the energy supply proportion occupied by the main supply unit can be calculated; When determining the energy supply information in the main supply unit and the energy supply information in the auxiliary supply unit, the complementary energy supply module sets the normal operation energy information as , assuming that the wind power supply speed information is , assuming that the light energy supply speed information is , assuming the wind index is ; When the main supply unit is wind power supply information; ; When the main supply unit is light energy supply information; ; According to the above formula, the wind index can be calculated; After calculating the wind and solar index, the complementary energy supply module needs to determine Is it greater than 1? When the main supply unit is wind power supply information, and >1, the energy supply information in the main supply unit will be adjusted to light energy supply information. When ≤1, there is no need to adjust the energy supply information in the main supply unit; When the main supply unit is light energy supply information, and ≥1, there is no need to adjust the energy supply information in the main supply unit. When <1, the energy supply information in the main supply unit will be adjusted to wind energy supply information; When encountering continuous cloudy days with insufficient sunlight but high wind speeds, the algorithm can quickly increase the proportion of wind power supply in complementary energy supply, while reasonably reducing the proportion of solar energy supply to ensure that the hydrogen production equipment has a stable energy supply.

[0026] Specific workflow: determine the minimum energy supply ratio occupied by the auxiliary supply unit, analyze the relationship between the minimum energy supply ratio occupied by the auxiliary supply unit and the calculated energy supply ratio occupied by the auxiliary supply unit, calculate the energy supply ratio occupied by the auxiliary supply unit and the main supply unit, calculate the wind and solar index, when the main supply unit is wind power supply information, and >1, the energy supply information in the main supply unit will be adjusted to light energy supply information. ≤1, there is no need to adjust the energy supply information in the main supply unit. When the main supply unit is light energy supply information, and ≥1, there is no need to adjust the energy supply information in the main supply unit. When <1, the energy supply information in the main supply unit will be adjusted to wind energy supply information; Furthermore, the complementary energy supply module can more accurately reflect the difference in energy supply capacity of the two energy sources under different energy storage states, making the system more adaptable and robust, reducing the risk of interruption or reduced efficiency of the hydrogen production process due to unstable energy supply, and further optimizing the energy supply strategy. It provides data support and decision-making basis, automatically selects the optimal main energy supply, gives full play to the advantages of wind and solar energy, and ensures that the hydrogen production equipment can operate stably.

[0027] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An energy management and control system for wind-solar hybrid hydrogen production, comprising an information collection module, which can collect hydrogen production equipment information and wind-solar power generation equipment information, characterized in that: It also includes demand analysis module, wind and solar power generation monitoring module, complementary energy supply module, stability index analysis module and impact module; The demand analysis module extracts the hydrogen production equipment information, analyzes the energy required for basic operation and normal operation of the hydrogen production equipment information, and obtains the basic operation energy information and normal operation energy information; Wind and solar power generation monitoring module, monitors the power generation of wind power generation and solar power generation, obtains the power acquisition speed of wind power generation and solar power generation, analyzes the wind power supply speed information and the solar power supply speed information, and preliminarily analyzes the energy supply ratio adjustment time based on the wind power supply speed information and the solar power supply speed information, so as to adjust the energy supply ratio in time when the wind power supply and the solar power supply are complementary; A complementary energy supply module extracts basic operating energy information and normal operating energy information, establishes a main supply unit and an auxiliary supply unit, uses the basic operating energy information to determine the lowest energy supply ratio of the auxiliary supply unit during complementary energy supply, extracts the electric energy information stored in wind power generation and solar power generation, obtains wind energy storage information and solar energy storage information, calculates the energy supply ratio during complementary energy supply based on the wind energy storage information and the solar energy storage information, and determines the energy supply information in the main supply unit and the energy supply information in the auxiliary supply unit; The stability index analysis module collects the stability of previous energy supply modes during power supply, analyzes the stability of complementary energy supply modes during power supply, calculates the stability index improved by complementary energy supply during power supply, and determines the effect of complementary energy supply; The impact module analyzes the impact of the stability of the complementary energy supply mode during power supply on the operation of the hydrogen production equipment, and determines the effect of the hydrogen production equipment during complementary energy supply.

2. The energy management and control system for wind-solar hybrid hydrogen production according to claim 1 is characterized by: When analyzing the energy required for basic operation and normal operation of the hydrogen production equipment, the demand analysis module analyzes the electric energy information required by different hydrogen production equipment to maintain the startup state, and obtains the electric energy information required by different hydrogen production equipment under normal operation. Suppose the number of different hydrogen production equipment is B, and the minimum electric energy required by different hydrogen production equipment to maintain the startup state is , assuming the basic operating energy is ; ； The basic operating energy can be calculated according to the above formula.

3. The energy management and control system for wind-solar hybrid hydrogen production according to claim 2 is characterized by: After calculating the normal operating energy of the hydrogen production equipment, the demand analysis module assumes that the electric energy required by different hydrogen production equipment to maintain the startup state is , assuming the normal operating energy is ; ； The normal operating energy of the hydrogen production equipment can be calculated based on the above formula.

4. The energy management and control system for wind-solar hybrid hydrogen production according to claim 1 is characterized by: When analyzing the energy supply ratio adjustment time, the wind-solar power generation monitoring module extracts the power acquisition speed of wind power generation and solar power generation when the energy supply starts, generates initial speed information, collects the change information of the power acquisition speed, and establishes an interval calculation unit, wherein the interval calculation unit records the interval time information, and extracts the power acquisition speed of the time after each interval time passes, generates the interval speed information, and sets the initial speed information as , assuming the interval speed information is , let the change index be ; ； The variation index can be calculated according to the above formula, and the variation index between the initial speed information and the speed information at different intervals can be calculated in turn.

5. The energy management and control system for wind-solar hybrid hydrogen production according to claim 4 is characterized by: After calculating the change index, the wind and solar power generation monitoring module establishes an adjustment threshold, and the adjustment threshold is set as ; when There is no need to adjust the energy supply ratio of wind power and solar energy; when When the energy supply ratio of wind power and solar power needs to be adjusted, the corresponding time is recorded. After the energy supply ratio adjustment is completed, the interval speed information corresponding to the change index will overwrite the initial speed information, and the time when the energy supply ratio of wind power and solar power needs to be adjusted next time is calculated.

6. The energy management and control system for wind-solar hybrid hydrogen production according to claim 5 is characterized by: When calculating the energy supply ratio during complementary energy supply, the complementary energy supply module will synchronously calculate the energy supply ratio during complementary energy supply according to the interval calculation unit to determine the minimum energy supply ratio occupied by the auxiliary supply unit. Suppose the wind energy storage information is , assuming that the light energy storage information is , assuming that the energy supply ratio occupied by the auxiliary supply unit is ,when hour; ； when hour; ； The energy supply proportion occupied by the auxiliary supply unit can be calculated through the above formula.

7. The energy management and control system for wind-solar hybrid hydrogen production according to claim 6 is characterized by: When calculating the energy supply ratio occupied by the auxiliary supply unit, the complementary energy supply module analyzes the relationship between the minimum energy supply ratio occupied by the auxiliary supply unit and the calculated energy supply ratio occupied by the auxiliary supply unit, determines the energy supply ratio occupied by the main supply unit, and sets the minimum energy supply ratio of the auxiliary supply unit as , assuming that the energy supply ratio occupied by the main supply unit is ; when When the energy supply of the auxiliary supply unit accounts for ; ； when When the energy supply of the auxiliary supply unit accounts for ; ； According to the above formula, the energy supply proportion occupied by the main supply unit can be calculated.

8. The energy management and control system for wind-solar hybrid hydrogen production according to claim 7 is characterized by: When determining the energy supply information in the main supply unit and the energy supply information in the auxiliary supply unit, the complementary energy supply module sets the normal operation energy information as , assuming that the wind power supply speed information is , assuming that the light energy supply speed information is , assuming the wind index is ; When the main supply unit is wind power supply information; ； When the main supply unit is light energy supply information; ； The wind index can be calculated according to the above formula.

9. The energy management and control system for wind-solar hybrid hydrogen production according to claim 8 is characterized by: After calculating the wind and solar index, the complementary energy supply module needs to determine Is it greater than 1? When the main supply unit is wind power supply information, and >1, the energy supply information in the main supply unit will be adjusted to light energy supply information. When ≤1, there is no need to adjust the energy supply information in the main supply unit; When the main supply unit is light energy supply information, and ≥1, there is no need to adjust the energy supply information in the main supply unit. When <1, the energy supply information in the main supply unit will be adjusted to wind energy supply information.

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