Offshore wind-to-hydrogen simulation system and method

Abstract

The application provides a simulation system and method for offshore wind power hydrogen production, wherein the system comprises an offshore wind power hydrogen production simulation device, an energy management device, an AC / DC power conversion control device and a DC / DC power conversion control device; the offshore wind power hydrogen production simulation device runs an offshore wind power model, an energy storage model and a hydrogen production model; the offshore wind power model outputs electrical parameters based on offshore working condition parameters; the AC / DC power conversion control device outputs first electrical energy parameters corresponding to the electrical parameters; the energy management device sets input power of the hydrogen production model based on the first electrical energy parameters and charge parameters of the energy storage model; the hydrogen production model simulates hydrogen production; the energy management device generates second electrical energy parameters; and the DC / DC power conversion control device outputs charging and discharging control parameters corresponding to the second electrical energy parameters. The method can simulate the process of offshore wind power hydrogen production, configure various offshore working conditions and comprehensively simulate the overall hydrogen production process.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wind power hydrogen production, in particular to a sea wind power hydrogen production simulation system and method. BACKGROUND

[0002] The sea wind power hydrogen production is to use the sea wind power generation device to convert wind energy into electric energy, and then drive the hydrogen production model through the electric energy to realize the hydrogen production process. Due to the complex sea environment, the cost of deploying the sea wind power hydrogen production system is high, which leads to low test efficiency and high risk of sea wind power hydrogen production. SUMMARY

[0003] Therefore, the purpose of the present application is to provide a sea wind power hydrogen production simulation system and method to simulate the process of sea wind power hydrogen production, which can configure various sea working conditions and comprehensively simulate the overall hydrogen production process.

[0004] In a first aspect, the embodiments of the present application provide a sea wind power hydrogen production simulation system, which comprises a sea wind power hydrogen production simulation device, an energy management device, an AC / DC power conversion control device and a DC / DC power conversion control device; the sea wind power hydrogen production simulation device runs a sea wind power generation model, an energy storage model and a hydrogen production model; the sea wind power generation model outputs electrical parameters based on preset sea working condition parameters, and sends the electrical parameters to the AC / DC power conversion control device; the AC / DC power conversion control device outputs first electrical energy parameters corresponding to the electrical parameters; the energy management device sets the input power of the hydrogen production model based on the first electrical energy parameters and the charge parameters of the energy storage model; sends the input power to the sea wind power hydrogen production simulation device; the hydrogen production model simulates hydrogen production based on the input power; in response to the energy management device generating second electrical energy parameters, the second electrical energy parameters are sent to the DC / DC power conversion control device; the DC / DC power conversion control device outputs charge and discharge control parameters corresponding to the second electrical energy parameters, and sends the charge and discharge control parameters to the sea wind power hydrogen production simulation device; the energy storage model simulates charge and discharge based on the charge and discharge control parameters.

[0005] In some embodiments, in response to the electrical energy power indicated by the first electrical energy parameters meeting the preset power range of the hydrogen production model, the energy management device sets the electrical energy power indicated by the first electrical energy parameters as the input power of the hydrogen production model; or, in response to the electrical energy power indicated by the first electrical energy parameters not meeting the preset power range of the hydrogen production model, the energy management device sets the input power of the hydrogen production model based on the charge parameters of the energy storage model.

[0006] In some embodiments, in response to the power indicated by the first power parameter being less than the minimum power value of the power range, and the charge parameter of the energy storage model being greater than a first preset threshold, the energy management device sets the minimum power value as the input power of the hydrogen production model; the energy management device generates a first discharge parameter and sends the first discharge parameter to the DC / DC power conversion control device; the DC / DC power conversion control device performs power conversion calculation on the first discharge parameter, outputs a second discharge parameter corresponding to the first discharge parameter, and sends the second discharge parameter to the offshore wind power hydrogen production simulation device; the energy storage model simulates discharge based on the second discharge parameter; wherein, the discharge power indicated by the second discharge parameter is equal to the difference between the minimum power value and the power indicated by the first power parameter.

[0007] In some embodiments, in response to the power indicated by the first power parameter being less than the minimum power value of the power range, and the charge parameter of the energy storage model being less than or equal to a first preset threshold, the energy management device sets the power indicated by the first power parameter as the input power of the hydrogen production model.

[0008] In some embodiments, in response to the power indicated by the first power parameter being greater than the maximum power value of the power range, and the charge parameter of the energy storage model being greater than or equal to a second preset threshold, the energy management device controls the power indicated by the first power parameter to be reduced to the maximum power value, and sets the maximum power value as the input power of the hydrogen production model.

[0009] In some embodiments, in response to the first electrical energy parameter indicating an electrical power greater than the maximum power value of the power range, and the energy storage model's charge parameter being less than a second preset threshold, the energy management device sets the maximum power value as the input power of the hydrogen production model; the energy management device generates a first charging parameter and sends the first charging parameter to a DC / DC power conversion control device; the DC / DC power conversion control device performs an electrical energy conversion calculation on the first charging parameter, outputs a second charging parameter corresponding to the first charging parameter, and sends the second charging parameter to an offshore wind power hydrogen production simulation device; the energy storage model simulates charging based on the second charging parameter; wherein, the charging power indicated by the second charging parameter is equal to the difference between the electrical power indicated by the first electrical energy parameter and the maximum power value.

[0010] In some embodiments, the electrical parameters include at least one of the active power, reactive power, voltage, and current of the AC signal; and the first electrical energy parameter of the AC / DC power conversion control device generates a DC signal based on the electrical parameters.

[0011] In some embodiments, when the DC / DC power conversion control device receives the second electrical energy parameter, it generates charge and discharge control parameters based on the second electrical energy parameter; the energy storage model outputs energy storage parameters based on the charge and discharge control parameters; wherein, the energy storage parameters include: energy storage voltage, state of charge, and performance state; the offshore wind power hydrogen production simulation device sends the energy storage parameters to the energy management device; the hydrogen production model outputs hydrogen production data based on the input power; wherein, the hydrogen production model includes: an electrolyzer sub-model and a hydrogen storage tank model; the hydrogen production data includes at least one of the hydrogen production flow rate, hydrogen production rate, hydrogen production efficiency, and temperature of the electrolyzer model; the hydrogen production data also includes the pressure and capacity of the hydrogen storage tank model; the offshore wind power hydrogen production simulation device sends the hydrogen production data to the energy management device.

[0012] In some embodiments, the offshore wind power hydrogen production simulation equipment also operates a power grid model; the power grid model is used to output power supply parameters; the power supply parameters are used to indicate: to simulate power supply to at least a portion of the offshore wind power generation model, energy storage model and hydrogen production model.

[0013] In some embodiments, the system further includes a monitoring device; the monitoring device is connected to an energy management device; the monitoring device is used to acquire at least one of the following through the energy management device: offshore operating condition parameters, electrical parameters of the offshore wind power generation model, hydrogen production data of the hydrogen production model, and energy storage data of the energy storage model; the monitoring device is also used to update at least one of the following through the energy management device: offshore operating condition parameters, model parameters of the offshore wind power generation model, model parameters of the energy storage model, and model parameters of the hydrogen production model.

[0014] Secondly, embodiments of this application provide a method for simulating hydrogen production from offshore wind power, applied to the aforementioned offshore wind power hydrogen production simulation system. The method includes: an offshore wind power generation model outputting electrical parameters based on preset offshore operating condition parameters, and sending the electrical parameters to an AC / DC power conversion control device; the AC / DC power conversion control device outputting a first electrical energy parameter corresponding to the electrical parameters; an energy management device setting the input power of the hydrogen production model based on the first electrical energy parameter and the charge parameters of the energy storage model; sending the input power to the offshore wind power hydrogen production simulation device; the hydrogen production model simulating hydrogen production based on the input power; responding to the energy management device generating a second electrical energy parameter, and sending the second electrical energy parameter to the DC / DC power conversion control device; the DC / DC power conversion control device outputting charge / discharge control parameters corresponding to the second electrical energy parameter, and sending the charge / discharge control parameters to the offshore wind power hydrogen production simulation device; and the energy storage model simulating charge / discharge based on the charge / discharge control parameters.

[0015] The aforementioned offshore wind power hydrogen production simulation system and method simulates the offshore wind power hydrogen production process by combining software models and hardware equipment. It can be configured for various offshore operating conditions and comprehensively simulate the entire hydrogen production process, thereby improving the testing efficiency of offshore wind power hydrogen production and reducing testing risks and costs.

[0016] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this application or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 A schematic diagram of an offshore wind power hydrogen production simulation system provided in this application embodiment;

[0019] Figure 2 A flowchart illustrating how an energy management device, as provided in an embodiment of this application, schedules a first electrical energy parameter and a second electrical energy parameter of an energy storage device.

[0020] Figure 3 A schematic diagram of another offshore wind power hydrogen production simulation system provided in this application embodiment;

[0021] Figure 4 A flowchart illustrating a method for simulating hydrogen production from offshore wind power, provided as an embodiment of this application. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0023] The marine environment is typically highly corrosive, prone to typhoons, and subject to wave fluctuations, making it complex and costly to deploy offshore wind power hydrogen production systems. This results in low testing efficiency and high risk for offshore wind power hydrogen production. Therefore, this application provides an offshore wind power hydrogen production simulation system and method, which can be applied to the simulation, research and development, and testing of offshore wind power hydrogen production.

[0024] First, see Figure 1 The system shown is an offshore wind power hydrogen production simulation system, which includes: an offshore wind power hydrogen production simulation device 10, an energy management device 11, an AC / DC power conversion control device 12, and a DC / DC power conversion control device 13; the offshore wind power hydrogen production simulation device 10 runs an offshore wind power generation model, an energy storage model, and a hydrogen production model.

[0025] The offshore wind power generation model, energy storage model, and hydrogen production model are software models running within an offshore wind power hydrogen production simulation device, which can be implemented using servers, computers, etc. Energy management equipment can be implemented using embedded chips or other processing chips / processors. AC / DC power conversion control equipment and DC / DC power conversion control equipment are physical hardware components. AC / DC power conversion control equipment can be the control section within an AC / DC converter or a standalone control device; DC / DC power conversion control equipment can also be the control section within a DC / DC converter or a standalone control device. Both AC / DC and DC / DC power conversion control devices only input and output relevant parameters and do not perform electrical energy transmission.

[0026] The aforementioned offshore wind power generation model outputs electrical parameters based on preset offshore operating condition parameters, and sends these electrical parameters to the AC / DC power conversion control equipment. The AC / DC power conversion control equipment then outputs the first electrical energy parameter corresponding to the electrical parameters. These offshore operating condition parameters include wind speed, temperature, wave height, and weather conditions. The offshore wind power generation model includes models of fan blades, gearboxes, and generator sub-models. After the offshore operating condition parameters are input into the offshore wind power generation model, it drives the model's operation. The offshore wind power generation model calculates the electrical parameters based on these parameters, indicating the electrical energy simulated by the model. These electrical parameters include power, voltage, current, and frequency. Typically, the offshore wind power generation model simulates alternating current (AC), and these electrical parameters are the parameters corresponding to AC. The electrical parameters are sent to the AC / DC power conversion control equipment, which calculates and simulates the conversion of the AC power corresponding to these parameters into direct current (DC), and outputs the first electrical energy parameter corresponding to the DC power. This first electrical energy parameter includes the DC power's voltage, current, and power.

[0027] The aforementioned energy management device sets the input power of the hydrogen production model based on the first electrical energy parameter and the charge parameter of the energy storage model; it then sends the input power to the offshore wind power hydrogen production simulation device; the hydrogen production model simulates hydrogen production based on the input power. The charge parameter of the energy storage model indicates the virtual remaining power of the energy storage model. The hydrogen production model typically has an input power range; when the input power is within this range, the hydrogen production model can operate normally and simulate hydrogen production. Therefore, the aforementioned set input power needs to be maintained within this power range; within this range, the higher the input power, the higher the hydrogen production efficiency of the hydrogen production model. The input power of the hydrogen production model is affected by the first electrical energy parameter and the charge parameter of the energy storage model. The energy management device can run a power algorithm; by inputting the first electrical energy parameter and the charge parameter of the energy storage model into this power algorithm, the input power can be calculated, ensuring that this input power is within the power range of the hydrogen production model. After the input power is sent to the offshore wind power hydrogen production simulation device, the input power drives the hydrogen production model to operate. This hydrogen production model can output hydrogen production data, such as hydrogen production rate and hydrogen production quantity, to simulate the hydrogen production process.

[0028] In response to the energy management device generating a second electrical parameter, the second electrical parameter is sent to the DC / DC power conversion control device. When the power indicated by the aforementioned first electrical parameter is too high or too low, the energy management device generates a second electrical parameter to perform power dispatching on the energy storage model. For example, when the power indicated by the first electrical parameter is too high, a second electrical parameter indicating charging is generated; when the power indicated by the first electrical parameter is too low, a second electrical parameter indicating discharging is generated.

[0029] The aforementioned DC / DC power conversion control device outputs charging and discharging control parameters corresponding to the second electrical energy parameter, and sends these parameters to the offshore wind power hydrogen production simulation device. The energy storage model simulates charging and discharging based on these parameters. Specifically, the DC / DC power conversion control device calculates the second electrical energy parameter, simulates the voltage conversion of the DC power corresponding to this parameter, and outputs charging and discharging control parameters. These parameters include DC voltage, current, power, and other parameters; the sign of the current indicates its direction, which in turn indicates the charging or discharging state.

[0030] The aforementioned offshore wind power hydrogen production simulation system includes an offshore wind power hydrogen production simulation device, an energy management device, an AC / DC power conversion control device, and a DC / DC power conversion control device. The offshore wind power hydrogen production simulation device operates an offshore wind power generation model, an energy storage model, and a hydrogen production model. The offshore wind power generation model outputs electrical parameters based on preset offshore operating condition parameters and sends these electrical parameters to the AC / DC power conversion control device. The AC / DC power conversion control device outputs a first electrical energy parameter corresponding to the electrical parameters. The energy management device sets the input power of the hydrogen production model based on the first electrical energy parameter and the charge parameters of the energy storage model and sends the input power to the offshore wind power hydrogen production simulation device. The hydrogen production model simulates hydrogen production based on the input power. In response to the energy management device generating a second electrical energy parameter, the second electrical energy parameter is sent to the DC / DC power conversion control device. The DC / DC power conversion control device outputs charge / discharge control parameters corresponding to the second electrical energy parameter and sends these charge / discharge control parameters to the offshore wind power hydrogen production simulation device. The energy storage model simulates charge / discharge based on the charge / discharge control parameters.

[0031] The above method simulates the process of hydrogen production from offshore wind power by combining software models and hardware devices. It can configure various offshore operating conditions and conduct comprehensive simulation of the entire hydrogen production process, thereby improving the testing efficiency of hydrogen production from offshore wind power and reducing testing risks and costs.

[0032] In one specific implementation, in response to the power indicated by the first power parameter meeting the preset power range of the hydrogen production model, the energy management device sets the power indicated by the first power parameter as the input power of the hydrogen production model; or, in response to the power indicated by the first power parameter not meeting the preset power range of the hydrogen production model, the energy management device sets the input power of the hydrogen production model based on the charge parameters of the energy storage model.

[0033] The power range of the hydrogen production model includes a minimum power value and a maximum power value. When the power indicated by the first electrical energy parameter is greater than or equal to the minimum power value and less than or equal to the maximum power value, the power indicated by the first electrical energy parameter meets the preset power range of the hydrogen production model. When the power indicated by the first electrical energy parameter meets the power range, it means that the power indicated by the first electrical energy parameter can maintain the normal operation of the hydrogen production model. Therefore, the power indicated by the first electrical energy parameter is directly set as the input power of the hydrogen production model to simulate the situation where the power output from the offshore wind power generation model drives the hydrogen production model alone.

[0034] When the power indicated by the first power parameter is less than the minimum power value or greater than the maximum power value, the power indicated by the first power parameter does not meet the preset power range of the hydrogen production model. In this case, the power indicated by the first power parameter cannot maintain the normal operation of the hydrogen production model, and it is necessary to set the input power within the power range of the hydrogen production model and to schedule the power of the energy storage model.

[0035] In one specific manner, in response to the fact that the power indicated by the first electrical energy parameter is less than the minimum power value of the power range, and the charge parameter of the energy storage model is greater than a first preset threshold, the energy management device sets the minimum power value as the input power of the hydrogen production model; the energy management device generates a first discharge parameter and sends the first discharge parameter to a DC / DC power conversion control device; the DC / DC power conversion control device performs an energy conversion calculation on the first discharge parameter, outputs a second discharge parameter corresponding to the first discharge parameter, and sends the second discharge parameter to an offshore wind power hydrogen production simulation device; the energy storage model simulates discharge based on the second discharge parameter; wherein, the discharge power indicated by the second discharge parameter is equal to the difference between the minimum power value and the power indicated by the first electrical energy parameter.

[0036] When the power indicated by the first electrical parameter is less than the minimum power value of the power range, it indicates that the power indicated by the first electrical parameter is low, requiring the energy storage system to discharge. The discharge power of the energy storage system and the power indicated by the first electrical parameter jointly drive the hydrogen production model. Therefore, it is necessary to detect the charge parameter of the energy storage model. The aforementioned first preset threshold can be preset according to needs, for example, 10%, 20%, etc. When the charge parameter is greater than the first preset threshold, it indicates that the energy storage model can provide discharge power. In this case, the minimum power value of the power range is set as the input power. The input power is equal to the sum of the power indicated by the first electrical parameter and the discharge power of the energy storage model. That is, the discharge power of the energy storage system and the power indicated by the first electrical parameter jointly drive the hydrogen production model.

[0037] The aforementioned first discharge parameter includes parameters such as DC voltage, current, and power. This first discharge parameter is one of the second electrical energy parameters in the aforementioned embodiments, meaning the second electrical energy parameter includes the first discharge parameter. After the energy management device generates the first discharge parameter, the DC / DC power conversion control device calculates the first discharge parameter to simulate voltage conversion of the DC power corresponding to the first discharge parameter, outputting the second discharge parameter. This second discharge parameter includes parameters such as DC voltage, current, and power; the current value can be positive or negative to instruct the energy storage model to discharge. This second discharge parameter is one of the charge / discharge control parameters in the aforementioned embodiments, meaning the charge / discharge control parameter includes the second discharge parameter. After the second discharge parameter is input to the energy storage model, the energy storage simulation performs simulated discharge according to the second discharge parameter. During the discharge process, the charge parameter of the energy storage model continuously decreases.

[0038] In response to the power indicated by the first electrical parameter being less than the minimum power value within the power range, and the charge parameter of the energy storage model being less than or equal to a first preset threshold, the energy management device sets the power indicated by the first electrical parameter as the input power of the hydrogen production model. In this case, the charge parameter of the energy storage model being less than or equal to the first preset threshold indicates that the energy storage system cannot discharge, and the power indicated by the first electrical parameter can only be set as the input power of the hydrogen production model. Since the input power is less than the minimum power value at this time, it may lead to a decrease in the hydrogen production efficiency of the hydrogen production model or even shutdown.

[0039] In another specific manner, in response to the power indicated by the first power parameter being greater than the maximum power value of the power range, and the charge parameter of the energy storage model being greater than or equal to the second preset threshold, the energy management device controls the power indicated by the first power parameter to be reduced to the maximum power value, and sets the maximum power value as the input power of the hydrogen production model; wherein, the second preset threshold is greater than the aforementioned first preset threshold.

[0040] When the power indicated by the first power parameter is greater than the minimum power value of the power range, it indicates that the power indicated by the first power parameter is too high, and the energy storage model needs to be charged. If the energy storage model can be charged, then the charging power of the energy storage model and the input power of the hydrogen production model are equal to the power indicated by the first power parameter. Therefore, it is necessary to detect the charge parameter of the energy storage model. The aforementioned second preset threshold can be preset according to needs, for example, 90%, 80%, etc. When the charge parameter is greater than the second preset threshold, it indicates that the energy storage model has a high charge level and cannot be charged. In this case, the maximum power value of the power range is set as the input power, and the power indicated by the first power parameter is reduced to this maximum power value.

[0041] In response to the first electrical energy parameter indicating that the electrical power is greater than the maximum power value of the power range, and the charge parameter of the energy storage model is less than the second preset threshold, the energy management device sets the maximum power value as the input power of the hydrogen production model; the energy management device generates a first charging parameter and sends the first charging parameter to the DC / DC power conversion control device; the DC / DC power conversion control device performs an electrical energy conversion calculation on the first charging parameter, outputs a second charging parameter corresponding to the first charging parameter, and sends the second charging parameter to the offshore wind power hydrogen production simulation device; the energy storage model simulates charging based on the second charging parameter; wherein, the charging power indicated by the second charging parameter is equal to the difference between the electrical power indicated by the first electrical energy parameter and the maximum power value.

[0042] The aforementioned first charging parameters include parameters such as DC voltage, current, and power. These first charging parameters are one type of the second electrical energy parameters in the aforementioned embodiments; that is, the second electrical energy parameters include the first charging parameters. After the energy management device generates the first charging parameters, the DC / DC power conversion control device calculates the first charging parameters to simulate voltage conversion of the DC power corresponding to the first charging parameters, outputting second charging parameters. These second charging parameters include parameters such as DC voltage, current, and power; the current value can be positive or negative to instruct the energy storage model to charge. These second charging parameters are one type of charge / discharge control parameters in the aforementioned embodiments; that is, the charge / discharge control parameters include the second charging parameters. After the second charging parameters are input to the energy storage model, the energy storage simulation performs simulated charging according to the second charging parameters. During the charging process, the charge parameters of the energy storage model continuously increase.

[0043] Figure 2 A flowchart illustrating the scheduling of a first electrical energy parameter and a second electrical energy parameter of an energy storage device by an energy management device is shown, including the following steps:

[0044] Step S202: Obtain the power output indicated by the first power parameter;

[0045] Step S204: Determine the relationship between the power indicated by the first power parameter and the power range of the hydrogen production model; if the power indicated by the first power parameter meets the preset power range of the hydrogen production model, proceed to step S206; if the power indicated by the first power parameter is less than the minimum power value of the power range, proceed to step S208; if the power indicated by the first power parameter is greater than the maximum power value of the power range, proceed to step S212.

[0046] Step S206: Set the power indicated by the first power parameter to the input power of the hydrogen production model; execute step S218.

[0047] Step S208: Determine whether the charge parameters of the energy storage model are greater than a first preset threshold; if they are greater than the first preset threshold, proceed to step S210; if they are not greater than the first preset threshold, proceed to step S206.

[0048] Step S210: Set the minimum power value as the input power of the hydrogen production model; generate a first discharge parameter and send the first discharge parameter to the DC / DC power conversion control device; the DC / DC power conversion control device performs energy conversion calculation on the first discharge parameter, outputs the second discharge parameter corresponding to the first discharge parameter, and sends the second discharge parameter to the offshore wind power hydrogen production simulation device; the energy storage model simulates discharge based on the second discharge parameter; wherein, the discharge power indicated by the second discharge parameter is equal to the difference between the minimum power value and the energy power indicated by the first energy parameter; proceed to step S218;

[0049] Step S212: Determine whether the charge parameters of the energy storage model are greater than or equal to the second preset threshold; if they are greater than or equal to the second preset threshold, proceed to step S214; if they are less than the second preset threshold, proceed to step S216.

[0050] Step S214: Control the power indicated by the first power parameter to decrease to the maximum power value, and set the maximum power value as the input power of the hydrogen production model, and execute step S218;

[0051] Step S216: Set the maximum power value as the input power of the hydrogen production model; the energy management device generates the first charging parameter and sends the first charging parameter to the DC / DC power conversion control device; the DC / DC power conversion control device performs energy conversion calculation on the first charging parameter, outputs the second charging parameter corresponding to the first charging parameter, and sends the second charging parameter to the offshore wind power hydrogen production simulation device; the energy storage model simulates charging based on the second charging parameter.

[0052] Step S218: The input power is sent to the offshore wind power hydrogen production simulation equipment. The hydrogen production model simulates hydrogen production based on the input power. Step S202 is then executed.

[0053] After starting the simulated hydrogen production, the above steps can be repeated multiple times. For example, the power indicated by the first power parameter can be obtained periodically, and then the subsequent steps can be executed; or, when the power indicated by the first power parameter changes, the subsequent steps can be executed.

[0054] In the above method, by scheduling the power of the offshore wind power generation model and the energy storage model, the input power of the hydrogen production model can be kept stable within the power range, thereby improving the stability and efficiency of hydrogen production.

[0055] In one implementation, the aforementioned electrical parameters include at least one of the following: active power, reactive power, voltage, and current of the AC signal; the AC / DC power conversion control device generates a first electrical energy parameter of the DC signal based on the electrical parameters. The AC / DC power conversion control device is used to convert the electrical parameters of the AC power into parameters such as voltage and current of the DC power; after inputting the aforementioned electrical parameters, the AC / DC power conversion control device performs calculations on the electrical parameters to obtain the first electrical energy parameter of the DC signal, which includes the voltage and current of the DC signal.

[0056] When the aforementioned DC / DC power conversion control device receives the second electrical energy parameter, it generates charge / discharge control parameters based on the second electrical energy parameter. The DC / DC power conversion control device is used to control the voltage conversion of the second electrical energy parameter, which is a DC power parameter. After inputting the aforementioned second electrical energy parameter, the DC / DC power conversion control device performs calculations on the electrical parameters to obtain the charge / discharge control parameters, which include the voltage and current of the DC signal.

[0057] The aforementioned hydrogen production model outputs hydrogen production data based on input power; the hydrogen production model includes an electrolyzer sub-model and a hydrogen storage tank model; the hydrogen production data includes at least one of the following: hydrogen production flow rate, hydrogen production rate, hydrogen production efficiency, and temperature of the electrolyzer model; the hydrogen production data also includes the pressure and capacity of the hydrogen storage tank model; the offshore wind power hydrogen production simulation equipment sends the hydrogen production data to the energy management equipment.

[0058] In the aforementioned hydrogen production model, the electrolyzer model is used to simulate hydrogen production, and the hydrogen storage tank model is used to simulate hydrogen storage. The electrolyzer model includes a network model of nonlinear resistors and capacitors. After inputting the aforementioned power, the hydrogen production model begins operation and outputs hydrogen production data during the simulation. This data continuously changes throughout the process. The offshore wind power hydrogen production simulation equipment can periodically or in real-time send the latest hydrogen production data to the energy management equipment for storage and monitoring.

[0059] The aforementioned energy storage model, based on the aforementioned charge and discharge control parameters, outputs energy storage parameters, including: energy storage voltage, state of charge (SOC), and performance status. The offshore wind power hydrogen production simulation equipment transmits these energy storage parameters to the energy management equipment. The energy storage model includes a circuit network of power sources, resistors, and capacitors. The dynamic response of the energy storage model during charge and discharge is simulated using the volt-ampere characteristics of these circuit components. The charge and discharge control parameters include a second charging parameter and a second discharging parameter. After the second charging parameter is input, the energy storage model begins to simulate charging, and the energy storage parameters begin to change; after the second discharging parameter is input, the energy storage model begins to simulate discharging, and the energy storage parameters begin to change. Among the energy storage parameters, the SOC indicates the remaining capacity of the energy storage model, and the performance status indicates the health status of the energy storage model, i.e., the degree of performance degradation.

[0060] like Figure 3As shown, the aforementioned offshore wind power hydrogen production simulation equipment also operates a power grid model. This power grid model is used to output power supply parameters, which indicate whether to simulate power supply to at least a portion of the offshore wind power generation model, energy storage model, and hydrogen production model. For example, when the offshore wind power generation model starts up, the power grid model simulates providing startup power; when the remaining power of the energy storage model is low, the power grid model simulates charging, etc. The power grid model can output data such as power, voltage, current, frequency, and quantity supplied to the offshore wind power generation model, energy storage model, and hydrogen production model.

[0061] The system also includes a monitoring device 30; the monitoring device 30 is connected to the energy management device; the monitoring device is used to acquire at least one of the following through the energy management device: offshore operating condition parameters, electrical parameters of the offshore wind power generation model, hydrogen production data of the hydrogen production model, and energy storage data of the energy storage model. The monitoring device can display the acquired parameters and data.

[0062] The aforementioned monitoring equipment is also used to update at least one of the following parameters through the energy management equipment: offshore operating condition parameters, offshore wind power generation model parameters, energy storage model parameters, and hydrogen production model parameters. Staff can set these parameters using the monitoring equipment, send them to the energy management equipment, and then the energy management equipment forwards them to the offshore wind power hydrogen production simulation equipment.

[0063] The aforementioned system includes monitoring equipment, energy management equipment, an offshore wind power hydrogen production simulation device, AC / DC power conversion control equipment, and DC / DC power conversion control equipment. By simulating the dynamic processes of wind power generation, hydrogen production, and energy storage on the offshore wind power hydrogen production simulation device, physical hardware devices (such as the AC / DC power conversion control equipment and DC / DC power conversion control equipment) are connected to acquire parameters and data from the simulation device in real time and output control signals to achieve a dynamic response consistent with the real system. The simulation model interacts with the physical hardware in real time, enabling low-cost and highly secure testing of the dynamic characteristics of the wind power hydrogen production system, controller verification, and optimization.

[0064] The aforementioned system can be configured with various operating parameters at sea and perform full-coverage simulation of the entire hydrogen production process, reproducing the dynamic characteristics of the real system. It can optimize the operation strategy of offshore wind power hydrogen production system and provide a valuable reference for the actual deployment of offshore wind power hydrogen production system.

[0065] Further, see Figure 4 The method shown is a simulation method for hydrogen production from offshore wind power, which is applied to the aforementioned offshore wind power hydrogen production simulation system; the method includes:

[0066] In step S402, the offshore wind power generation model outputs electrical parameters based on preset offshore operating condition parameters and sends the electrical parameters to the AC / DC power conversion control device; the AC / DC power conversion control device outputs the first electrical energy parameter corresponding to the electrical parameters.

[0067] Step S404: The energy management device sets the input power of the hydrogen production model based on the first electrical energy parameters and the charge parameters of the energy storage model; the input power is sent to the offshore wind power hydrogen production simulation device; the hydrogen production model simulates hydrogen production based on the input power.

[0068] Step S406: In response to the energy management device generating a second electrical energy parameter, the second electrical energy parameter is sent to the DC / DC power conversion control device;

[0069] In step S408, the DC / DC power conversion control device outputs the charge and discharge control parameters corresponding to the second electrical energy parameter and sends the charge and discharge control parameters to the offshore wind power hydrogen production simulation device; the energy storage model simulates charge and discharge based on the charge and discharge control parameters.

[0070] The aforementioned offshore wind power hydrogen production simulation system and method, through a combination of simulation and physical hardware, can cover the entire R&D process of offshore wind power hydrogen production systems, verify and optimize the performance and operation strategies of offshore wind power hydrogen production systems, reproduce the dynamic characteristics of real systems at low cost, achieve controllable testing under all operating conditions and high-risk scenarios, and provide a reliable basis for investment in offshore wind power hydrogen production projects.

[0071] Among them, the offshore wind power generation model, energy storage model, and hydrogen production model can simulate the entire process of offshore wind power hydrogen production. The real-time closed-loop control strategy of the software model and physical hardware equipment (such as AC / DC power conversion control equipment and DC / DC power conversion control equipment) breaks through the cost and safety limitations of actual system testing, reproduces the dynamic characteristics of real systems at low cost, and realizes controllable testing of full-condition and high-risk scenarios, providing a reliable basis for controller optimization, hardware selection, and system integration.

[0072] Furthermore, in the description of the embodiments of this application, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0073] If the aforementioned functions are implemented as software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or a portion of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0074] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0075] Finally, it should be noted that the above embodiments are merely specific implementations of this application, used to illustrate the technical solutions of this application, and not to limit them. The protection scope of this application is not limited thereto. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can still modify or easily conceive of changes to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features, within the technical scope disclosed in this application. Such modifications, changes, or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application, and should all be covered within the protection scope of this application. Therefore, the protection scope of this application should be determined by the protection scope of the claims.

Claims

1. A simulated system for hydrogen production from offshore wind power, characterized in that, The system includes: an offshore wind power hydrogen production simulation device, an energy management device, an AC / DC power conversion control device, and a DC / DC power conversion control device; the offshore wind power hydrogen production simulation device runs an offshore wind power generation model, an energy storage model, and a hydrogen production model. The offshore wind power generation model outputs electrical parameters based on preset offshore operating condition parameters, and sends the electrical parameters to the AC / DC power conversion control device; the AC / DC power conversion control device outputs the first electrical energy parameter corresponding to the electrical parameters; The energy management device sets the input power of the hydrogen production model based on the first electrical energy parameters and the charge parameters of the energy storage model; sends the input power to the offshore wind power hydrogen production simulation device; and the hydrogen production model simulates hydrogen production based on the input power. In response to the energy management device generating a second electrical energy parameter, the second electrical energy parameter is sent to the DC / DC power conversion control device; The DC / DC power conversion control device outputs the charge and discharge control parameters corresponding to the second electrical energy parameter, and sends the charge and discharge control parameters to the offshore wind power hydrogen production simulation device; the energy storage model simulates charge and discharge based on the charge and discharge control parameters.

2. The system according to claim 1, characterized in that, In response to the fact that the power indicated by the first power parameter meets the power range preset by the hydrogen production model, the energy management device sets the power indicated by the first power parameter as the input power of the hydrogen production model; Alternatively, in response to the fact that the power indicated by the first power parameter does not meet the preset power range of the hydrogen production model, the energy management device sets the input power of the hydrogen production model based on the charge parameters of the energy storage model.

3. The system according to claim 2, characterized in that, In response to the first power parameter indicating that the power is less than the minimum power value of the power range, and the charge parameter of the energy storage model is greater than a first preset threshold, the energy management device sets the minimum power value as the input power of the hydrogen production model; The energy management device generates a first discharge parameter and sends the first discharge parameter to the DC / DC power conversion control device; the DC / DC power conversion control device performs an energy conversion calculation on the first discharge parameter and outputs a second discharge parameter corresponding to the first discharge parameter, which is then sent to the offshore wind power hydrogen production simulation device. The energy storage model simulates discharge based on the second discharge parameters; Wherein, the discharge power indicated by the second discharge parameter is equal to the difference between the minimum power value and the power indicated by the first power parameter.

4. The system according to claim 2, characterized in that, In response to the fact that the power indicated by the first power parameter is less than the minimum power value of the power range, and the charge parameter of the energy storage model is less than or equal to a first preset threshold, the energy management device sets the power indicated by the first power parameter as the input power of the hydrogen production model.

5. The system according to claim 2, characterized in that, In response to the first electrical energy parameter indicating that the electrical power is greater than the maximum power value of the power range, and the charge parameter of the energy storage model is greater than or equal to a second preset threshold, the energy management device controls the electrical power indicated by the first electrical energy parameter to be reduced to the maximum power value, and sets the maximum power value as the input power of the hydrogen production model.

6. The system according to claim 2, characterized in that, In response to the first power parameter indicating that the power is greater than the maximum power value of the power range, and the charge parameter of the energy storage model is less than the second preset threshold, the energy management device sets the maximum power value as the input power of the hydrogen production model. The energy management device generates a first charging parameter and sends the first charging parameter to the DC / DC power conversion control device; the DC / DC power conversion control device performs an energy conversion calculation on the first charging parameter and outputs a second charging parameter corresponding to the first charging parameter, which is then sent to the offshore wind power hydrogen production simulation device. The energy storage model simulates charging based on the second charging parameters; Wherein, the charging power indicated by the second charging parameter is equal to the difference between the electrical power indicated by the first electrical energy parameter and the maximum power value.

7. The system according to claim 1, characterized in that, When the DC / DC power conversion control device receives the second electrical energy parameter, it generates charging and discharging control parameters based on the second electrical energy parameter. The energy storage model outputs energy storage parameters based on the charge and discharge control parameters; wherein, the energy storage parameters include: energy storage voltage, state of charge, and performance status; the offshore wind power hydrogen production simulation equipment sends the energy storage parameters to the energy management equipment; The hydrogen production model outputs hydrogen production data based on the input power; wherein, the hydrogen production model includes: an electrolyzer sub-model and a hydrogen storage tank model; the hydrogen production data includes at least one of the hydrogen production flow rate, hydrogen production rate, hydrogen production efficiency, and temperature of the electrolyzer model; the hydrogen production data also includes the pressure and capacity of the hydrogen storage tank model; the offshore wind power hydrogen production simulation equipment sends the hydrogen production data to the energy management equipment.

8. The system according to claim 1, characterized in that, The offshore wind power hydrogen production simulation equipment also operates a power grid model; the power grid model is used to output power supply parameters; the power supply parameters are used to indicate: to simulate power supply to at least a portion of the offshore wind power generation model, the energy storage model and the hydrogen production model.

9. The system according to claim 1, characterized in that, The system also includes monitoring equipment; the monitoring equipment is connected to the energy management equipment. The monitoring equipment is used to acquire at least one of the following through the energy management equipment: the marine operating condition parameters, the electrical parameters of the offshore wind power generation model, the hydrogen production data of the hydrogen production model, and the energy storage data of the energy storage model. The monitoring equipment is also used to update at least one of the following through the energy management equipment: the offshore operating condition parameters, the model parameters of the offshore wind power generation model, the model parameters of the energy storage model, and the model parameters of the hydrogen production model.

10. A method for simulating hydrogen production from offshore wind power, characterized in that, The method is applied to the offshore wind power hydrogen production simulation system according to any one of claims 1-9; the method includes: The offshore wind power generation model outputs electrical parameters based on preset offshore operating condition parameters, and sends the electrical parameters to the AC / DC power conversion control device; the AC / DC power conversion control device outputs the first electrical energy parameter corresponding to the electrical parameters; The energy management device sets the input power of the hydrogen production model based on the first electrical energy parameters and the charge parameters of the energy storage model; the input power is sent to the offshore wind power hydrogen production simulation device; the hydrogen production model simulates hydrogen production based on the input power; In response to the energy management device generating a second electrical energy parameter, the second electrical energy parameter is sent to the DC / DC power conversion control device; The DC / DC power conversion control device outputs the charge and discharge control parameters corresponding to the second electrical energy parameter, and sends the charge and discharge control parameters to the offshore wind power hydrogen production simulation device; the energy storage model simulates charge and discharge based on the charge and discharge control parameters.

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