A hydrogen production dynamic energy scheduling and balancing method, device and electronic equipment

Abstract

The application provides a hydrogen production dynamic energy scheduling and balancing method and device and electronic equipment, comprising: obtaining power generation power of accessed new energy, splitting the power generation power according to historical distribution of the power generation power to obtain smooth power and residual power; obtaining working conditions of load equipment, determining equipment states of the load equipment according to the working conditions, wherein the load equipment comprises an ALK and a PEM; performing switching of working modes of the load equipment according to the equipment states and the power generation power, wherein the working mode is used to represent start and stop of the load equipment; performing power distribution processing on the smooth power and the residual power according to the working mode, a balancing power condition and the equipment states to determine power taking and sending amounts; and determining input current by using feedforward regulation and PI regulation according to the power taking and sending amounts. The application has the beneficial effect of realizing balancing power distribution among the load equipment and improving hydrogen production efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mixed connection of multiple types of hydrogen production equipment, and particularly relates to a joint hydrogen production dynamic energy scheduling and balancing method and device and electronic equipment. BACKGROUND

[0002] With the rapid growth of installed capacity of renewable energy such as wind and light, the fluctuation and intermittence characteristics thereof put higher requirements on the adaptation performance of water electrolysis hydrogen production systems. Traditional single technical routes (such as alkali electrolytic tank ALK or proton exchange membrane electrolytic tank PEM) have significant limitations, which are embodied in:

[0003] ALK electrolytic tank has low cost, long service life, and large rated power of a single unit, but has slow dynamic response speed (about 60 minutes for cold start and about 20 minutes for hot start), narrow load regulation range (usually 30%-100% of rated power), and low load regulation rate (usually 1%-5% of rated power / s), which is difficult to adapt to the severe fluctuations of wind and light power; PEM electrolytic tank has high cost and small rated power of a single unit, but has fast response speed (≤10 minutes for cold start and ≤5 minutes for hot start), wide load regulation range (10%-125% of rated power), and high load regulation rate (usually up to 50% of rated power / s).

[0004] Therefore, the prior art has problems of large difference between controlled devices of a mixed connection hydrogen production system, complex control, low robustness of hydrogen production energy management, and low safety of joint hydrogen production. SUMMARY

[0005] The main purpose of the embodiments of the present application is to provide a joint hydrogen production dynamic energy scheduling and balancing method, device and electronic equipment, which avoids the influence of the operation of each module of the battery management device, realizes balanced power distribution between load devices, and improves the joint hydrogen production efficiency.

[0006] One aspect of the present application provides a joint hydrogen production dynamic energy scheduling and balancing method, comprising:

[0007] Obtaining power generation of accessed new energy, splitting the power generation according to historical distribution of the power generation to obtain smooth power and residual power;

[0008] Obtaining working conditions of load devices, determining device states of the load devices according to the working conditions, wherein the load devices include ALK and PEM;

[0009] Performing switching of working modes of the load devices according to the device states and the power generation, wherein the working modes are used to represent start and stop of the load devices;

[0010] According to the working mode, the balanced power condition and the device state, performing power allocation processing on the smooth power and the residual power to determine the power taking and delivering amount;

[0011] According to the power taking and delivering amount, using feedforward regulation and PI regulation to determine the input current.

[0012] According to the joint hydrogen production dynamic energy scheduling and balancing method, wherein the generation power is split according to the historical distribution of the generation power to obtain the smooth power and the residual power, comprising:

[0013] The generation power of the new energy is split by using a window rolling update filtering algorithm to obtain the smooth power and the residual power, and the window rolling update filtering algorithm is:

[0014]

[0015]

[0016] Among them, the smooth power is represented by P, the residual power is represented by R, the filtering algorithm is represented by F, the current generation power of the new energy is represented by P, the window length of the filtering algorithm is represented by L, wherein the window length is determined according to the historical distribution of the generation power of the new energy.

[0017] According to the joint hydrogen production dynamic energy scheduling and balancing method, wherein the window length comprises:

[0018] According to the historical distribution, the change tendency, the fluctuation degree and the fluctuation direction of the generation power of the new energy are determined, and the window length is determined according to the change tendency, the fluctuation degree and the fluctuation direction.

[0019] According to the joint hydrogen production dynamic energy scheduling and balancing method, wherein the working condition of the load device is obtained, and the device state of the load device is determined according to the working condition, comprising:

[0020] The working condition and fault information of the load device are obtained, and the running state, boundary constraint and running enable bit of the load device are updated according to the working condition and fault information to obtain the device state of the load device.

[0021] According to the joint hydrogen production dynamic energy scheduling and balancing method, wherein the working mode of the load device is switched according to the device state and the generation power, comprising:

[0022] The low-power interval of the load device is acquired, a mode division interval is determined according to the low-power interval, and the working mode to be switched by the load device is determined according to the mode in which the generated power currently locates and the division interval, wherein the working mode includes a mute mode, a single-ALK mode, a single-PEM mode and a hybrid mode, the mute mode is used for transitioning the load device from a shutdown state to a running state and adaptively starting the load device for power consumption according to the generated power; the single-ALK mode represents that the power is consumed through the ALK when the PEM is faulty; the single-PEM mode represents that the power is consumed through the PEM when the ALK is faulty; and the hybrid mode represents that the load device is subjected to power balance allocation processing.

[0023] According to the joint hydrogen production dynamic energy scheduling and balancing method, wherein the power allocation processing is performed on the smooth power and the residual power according to the working mode, the balance power condition and the device state, and the power taking and delivering amount is determined, including:

[0024] The power allocation is performed, including judging whether the set power of the load device exceeds the upper limit and the lower limit of the response capability:

[0025]

[0026]

[0027] wherein, the set power of the ALK, the lowest instantaneous lower limit, the highest instantaneous upper limit, represents the actual power of the electrolytic cell at the last moment, and represents the instantaneous response capability determined by the device state;

[0028] judging whether the set power exceeds the set safe running boundary of the electrolytic cell:

[0029]

[0030] wherein, the global lowest lower limit, the global highest upper limit;

[0031] if the set power is lower than , it is judged whether to enter the shutdown process according to the shutdown or emergency stop enabling flag in the device state flag of the load device;

[0032] if it is higher than , the power balance allocation processing is performed, including allocating the smooth power to the device according to the optimal efficiency point:

[0033]

[0034] where PEM has higher priority than ALK, and denotes the power allocated to PEM, is the optimal efficiency point of PEM, denotes that a power no more than the optimal efficiency point is allocated to PEM, and if the current smooth power is small, all the power is consumed by PEM;

[0035] According to the smooth power and the power allocated to PEM, it is determined whether there is remaining power for ALK to consume:

[0036]

[0037] where is the optimal efficiency point of ALK, denotes that a power no more than the optimal point is allocated to ALK;

[0038] If , the next step is performed, otherwise the remaining smooth power is allocated to the electrolyzer again, and the power limit of the optimal point is removed, and the power is preferentially allocated to PEM so that ALK works in the optimal interval:

[0039]

[0040] If at this time , the next step is performed, otherwise the remaining smooth power is allocated to ALK:

[0041]

[0042] The residual power is consumed, and when , the next step is performed, otherwise the following processing is performed:

[0043]

[0044]

[0045]

[0046] where denotes the access power at this time, and denotes that high-frequency fluctuations are preferentially consumed by PEM, and when PEM cannot consume all the fluctuations, the remaining fluctuations are consumed by ALK;

[0047] The difference between the access power and the total power of ALK and PEM determines the amount of power taken and supplied .

[0048] According to the joint hydrogen production dynamic energy scheduling and balancing method, the input current is determined by using feedforward regulation and PI regulation according to the power taking and delivering amount, comprising:

[0049] According to the experience UI mapping relationship, the feedforward input is determined, and the power-current relationship is determined according to the feedforward input;

[0050] The PI regulation is performed according to the power-current relationship, and the input current is obtained.

[0051] Another aspect of the embodiment of the application provides a joint hydrogen production dynamic energy scheduling and balancing device, comprising:

[0052] The first module is used for obtaining the power generation of the accessed new energy, and the power generation is split according to the historical distribution of the power generation to obtain smooth power and residual power;

[0053] The second module is used for obtaining the working condition of the load device, and the device state of the load device is determined according to the working condition, wherein the load device comprises an ALK and a PEM;

[0054] The third module is used for performing switching of the working mode of the load device according to the device state and the power generation, wherein the working mode is used to represent the start and stop of the load device;

[0055] The fourth module is used for performing power allocation processing on the smooth power and the residual power according to the working mode, the balancing power condition and the device state to determine the power taking and delivering amount;

[0056] The fifth module is used for determining the input current by using feedforward regulation and PI regulation according to the power taking and delivering amount.

[0057] Another aspect of the embodiment of the application provides an electronic device comprising a processor and a memory;

[0058] The memory is used for storing a program;

[0059] The processor executes the program to realize the method as described above.

[0060] The embodiment of the application also discloses a computer readable storage medium, the storage medium stores a program, and the program is executed by a processor to realize the joint hydrogen production dynamic energy scheduling and balancing method.

[0061] The application has the advantages that the new energy power is split into a low-frequency trend and a high-frequency fluctuation branch, the power is better divided to respective devices more suitable for power consumption by splitting the new energy power, the power level of the load device is dynamically balanced, so that the power distribution between the load devices is balanced under the premise of meeting power consumption and source-load balance, the load device has higher efficiency and wider fluctuation consumption space.

[0062] Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will become apparent to those skilled in the art upon examination of the following and / or can be learned by practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0063] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, including the appended drawings.

[0064] Figure 1 is a flowchart of a joint hydrogen production dynamic energy scheduling and balancing method of an embodiment of the present application.

[0065] Figure 2 is a wind-solar power distribution comparison chart of an embodiment of the present application. Figure 2 (a) is a wind power distribution situation statistics, Figure 2 (b) is a photovoltaic power distribution situation statistics.

[0066] Figure 3 is a wind-solar power change trend comparison chart of an embodiment of the present application. Figure 3 (a) is a wind power change trend statistics, Figure 3 (b) is a photovoltaic power change trend statistics.

[0067] Figure 4 is a wind-solar power change trend comparison chart of an embodiment of the present application. Figure 4 (a) is a wind power change trend statistics, Figure 4 (b) is a wind power change trend statistics, Figure 4 (c) is a photovoltaic power change trend statistics, Figure 4 (d) is a photovoltaic power change trend statistics.

[0068] Figure 5 is a schematic diagram of the electrolytic cell voltage-current-temperature relationship of an embodiment of the present application.

[0069] Figure 6 is a schematic diagram of the feedforward + PI regulation process of an embodiment of the present application.

[0070] Figure 7 is a schematic diagram of the joint hydrogen production dynamic energy scheduling and balancing device of an embodiment of the present application. DETAILED DESCRIPTION

[0071] Embodiments of the present application are described in detail below with reference to the attached drawings, which show by way of example embodiments in which the same or similar elements or elements having the same or similar functions are denoted by the same or similar reference signs throughout the drawings. In the following description, the suffixes used for elements such as "module", "part", or "unit" are used only to facilitate the description of the present application, and do not have a specific meaning by themselves. Therefore, "module", "part", or "unit" can be used interchangeably. "First", "second", and the like are used only to distinguish technical features for the purpose of distinguishing technical features, and cannot be understood to indicate or imply relative importance or to imply the number of indicated technical features or the order of indicated technical features. In the following description, consecutive numbers of method steps are used for the convenience of review and understanding, and adjusting the implementation order between steps does not affect the technical effects achieved by the technical solution of the present application, in combination with the overall technical solution of the present application and the logical relationship between the steps. The embodiments described below with reference to the drawings are exemplary and are used only to explain the present application, and cannot be understood as limiting the present application.

[0072] Reference Figure 1 wherein Figure 1 is a flowchart of the joint hydrogen production dynamic energy scheduling and balancing method of embodiments of the present application, which includes but is not limited to steps S100-S500:

[0073] S100, obtain the power generation of the accessed new energy, split the power generation according to the historical distribution of the power generation to obtain smooth power and residual power.

[0074] In some embodiments, a window rolling update filtering algorithm is used to split the power generation of the new energy to obtain smooth power and residual power, and the window rolling update filtering algorithm is:

[0075]

[0076]

[0077] wherein, represents the smooth power, represents the residual power, represents the filtering algorithm, represents the current new energy power generation at time t, represents the window length of the filtering algorithm, wherein the window length is determined according to the historical distribution of the power generation of the new energy.

[0078] In some embodiments, reference Figure 2 is made to the wind and solar power generation power distribution comparison chart, wherein Figure 2 (a) is the wind power generation power distribution statistics, Figure 2(b) is the light power distribution of photovoltaic power generation statistics, can be determined according to the wind power long-term data (5 months, frequency 4S), and the statistical results of the analysis of the long-term data (1 month, frequency 1min) of photovoltaic power generation can be seen that the wind power is more random in the distribution of power level, as shown in Figure 1 The photovoltaic power generation power is mostly concentrated in 0%~10% full power level, and the other intervals are relatively evenly distributed; the wind power is more randomly distributed in each power level interval, with 0~10% as the majority, but the difference is not obvious. It can be seen that the wind power is more widely distributed in the high power interval, while the photovoltaic power is mostly in the low power interval due to the influence of night and sunlight changes.

[0079] In some embodiments, reference is made to the wind and light power change trend comparison chart of Figure 3 , wherein Figure 3 (a) is the wind power change trend statistics, Figure 3 (b) is the light power change trend statistics, it can be seen that the difference is not big, but there is an essential difference in nature. The rise and fall of wind power is closer to random conditions, like white noise Gaussian distribution uniformity, while the photovoltaic power is directly related to the periodic symmetry of sunrise and sunset, so although the statistics are similar, the distribution reasons are not the same.

[0080] In some embodiments, reference is made to the wind and light power change trend comparison chart of Figure 4 , wherein Figure 4 (a) is the wind power change trend statistics, Figure 4 (b) is the wind power change trend statistics, Figure 4 (c) is the light power change trend statistics, and Figure 4 (d) is the light power change trend statistics, which shows the details of the wind and light power change, it can be seen that the wind power change is more severe than the photovoltaic power, the fluctuation amplitude of more than 1% accounts for more than 30% of the overall fluctuation statistics, and there are large fluctuations, such as 50% or even more than 50% (the proportion is very low but exists). The photovoltaic power almost never has large fluctuations, and frequent small fluctuations are its normal state.

[0081] According to the above statistical result analysis, the differences and characteristics between wind power generation and photovoltaic power generation are shown in the following table 1:

[0082] Table 1 Comparison of wind power generation and photovoltaic power generation

[0083]

[0084] It can be seen that in the smoothing process of wind power generation data, a longer data window is needed to extract the overall trend of the data. For example, Kalman filter is used for power data filtering to achieve better trend extraction effect.

[0085] According to the regularity and stability of photovoltaic power data, the embodiments of the present application can use a narrow window low-order SG smoothing algorithm to fully extract the trend of photovoltaic power data and separate the high-frequency components. Faster operation speed can be used to complete data filtering and avoid excessive filtering to cause trend distortion.

[0086] S200, obtaining the working condition of the load device, and determining the device state of the load device according to the working condition, wherein the load device includes an ALK and a PEM.

[0087] In some embodiments, according to the working condition of the load device and the fault information, the operating state, the boundary constraint, and various operating enabling flags (such as start, stop, and emergency stop) of the device are updated, which are used as the basis for subsequent mode selection.

[0088] In some embodiments, the change tendency, fluctuation degree, and fluctuation direction of the power generation of the new energy are determined according to the historical distribution, and the window length is determined according to the change tendency, fluctuation degree, and fluctuation direction.

[0089] Due to the influence of the principle of hydrogen production by electrolysis of water, in the low power interval, the material diffusion across the membrane of the positive and negative electrodes is greater, resulting in higher product impurity concentration. The lower the power, the higher the concentration, which may reach the hydrogen explosion limit interval (more than 4%). Different hydrogen production equipment leads to different low power levels approaching the impurity concentration limit. For example, ALK is usually set to 20%~30% rated power as the warning line, while PEM is usually set to 5%~10% rated power as the warning line.

[0090] In some embodiments, during the process of increasing the power of the new energy from 0, the device needs to be classified according to the low power setting of the device to determine the start-up condition of the device.

[0091] Taking the case of ALK low power setting of 20% and rated power of 4MW, and PEM low power setting of 5% and rated power of 1MW as an example, there are several key power points: 50kW, 800kW, 850kW. Therefore, in the silent mode, the new energy power is judged as follows:

[0092]

[0093] When the input power is:

[0094] Lower than 50kW, keep silent and do not start any device;

[0095] Above 50kW below 800kW, start PEM;

[0096] Above 800kW below 850kW, start PEM alone, or start ALK alone when PEM fails, but not start PEM and ALK at the same time;

[0097] Above 850kW, start PEM and ALK as appropriate.

[0098] In some embodiments, according to the load device state, the hybrid working mode allowed to enter is selected, and the jump options are divided into four types, which are silent mode, single ALK mode, single PEM mode and hybrid mode. Among them:

[0099] Silent mode: responsible for transitioning the system from a shutdown state to a running state, quickly transitioning the load to the low power interval of the load device, and starting ALK and PEM for power consumption according to the power level of new energy power generation, reducing power waste during start-up and power taken from the grid.

[0100] Single ALK mode: when the device state transmission information indicates that the PEM is in a state that cannot run, only the ALK electrolytic cell is used for new energy power consumption, and the PEM is monitored at all times to determine whether it is allowed to run.

[0101] Single PEM mode: same as single ALK mode, when ALK cannot run, PEM is used to consume new energy power, and ALK is monitored to determine whether it is allowed to run.

[0102] Hybrid mode: when the device is fault-free or otherwise abnormal, the system is in hybrid mode, responsible for balancing device power distribution, maximizing power following capability, and coordinating PEM device power to maximize its fluctuation consumption capability.

[0103] S300, switching the working mode of the load device according to the device state and the generated power, wherein the working mode is used to represent the start and stop of the load device.

[0104] In some embodiments, the power distribution module is responsible for two functions, namely, smoothing power distribution and residual power distribution. And when distributing, according to the updated device state of ALK and PEM, power adjustment is made based on different operating constraints. And when distributing power, power distribution guidance is made based on the balanced power setting condition (such as the optimal efficiency point).

[0105] First, the power distribution function of each device (ALK is taken as an example, and PEM is the same), for ALK (in normal circumstances):

[0106] ① Determine the set power whether the setpoint power exceeds the upper and lower limits of the instantaneous response capability of the electrolyzer, i.e. the minimum instantaneous lower limit and the maximum instantaneous upper limit :

[0107]

[0108]

[0109] wherein, represents the actual power of the electrolyzer at the previous time, and is the instantaneous response capability of the electrolyzer obtained by state update, expressed as the instantaneous up-regulation power value and the instantaneous down-regulation power value (e.g. kW / s).

[0110] ② Determine whether the setpoint power exceeds the setpoint safety operating boundary of the electrolyzer, i.e. the global minimum lower limit and the global maximum upper limit (obtained by state update):

[0111]

[0112] ③ If the setpoint power is lower than , determine whether to enter the shutdown process based on the related enabling flags in the device state flag, such as shutdown and emergency stop.

[0113] If the setpoint power is higher than , it is a power balance allocation process, including:

[0114] (1) According to the optimal efficiency point, allocate a smooth power to the device, with PEM first and then ALK (taking into account the fast response characteristics of PEM):

[0115]

[0116] wherein the symbol represents the power allocation function described above, is the optimal efficiency point (obtained by factory setting or state update), which here indicates that the PEM device is preferentially allocated a power not exceeding the optimal efficiency point, and if the current smooth power is small, it is all consumed by PEM.

[0117] (2) Calculate whether there is remaining power available for ALK consumption according to the smooth power and the power allocated to PEM:

[0118]

[0119] wherein: represents the power allocation power of ALK (as above), For the efficiency optimum point of ALK, the logic here assigns ALK a power no higher than the optimum point (logic same as above).

[0120] (3) If at this time, go to step (4), otherwise, the remaining smooth power is assigned to the electrolytic cell again, and at this time, the restriction of the optimum point is removed, and PEM is preferentially assigned to ensure that a larger capacity of ALK works in the optimum interval:

[0121]

[0122] If at this time , go to step (4), otherwise, the remaining smooth power is assigned to ALK:

[0123]

[0124] (4) After completing the smooth power distribution, start the residual power (high frequency fluctuation) consumption process. When , jump to step (5), otherwise, go to the following steps:

[0125]

[0126]

[0127]

[0128] Where: represents the new energy power at this time, and this logic indicates that high frequency fluctuations are preferentially consumed by PEM, and when PEM cannot consume all fluctuations, the remaining fluctuations are consumed by ALK.

[0129] (5) Calculate the difference between the new energy power and the final ALK and PEM total power to determine the grid power (if it is a storage battery or other power storage device, it is the corresponding charge and discharge power):

[0130]

[0131] S400, according to the working mode, the balance power condition and the device state, the smooth power and the residual power are executed power distribution processing to determine the power taking and sending amount;

[0132] S500, according to the power taking and sending amount, the input current is determined by using feedforward regulation and PI regulation.

[0133] In some embodiments, according to the experience UI mapping relationship, the feedforward input is determined, the power-current relationship is determined according to the feedforward input; the input current is obtained by performing PI regulation according to the power-current relationship.

[0134] As Figure 5As shown, the voltage of the electrolytic cell is not simply linearly related to different currents and different temperatures, and cannot be simply converted between the device power and the voltage and current by the formula P=UI, so it is necessary to approach and iterate through adjustment means, such as PID adjustment.

[0135] The method adopts a feedforward+PI adjustment mode, that is, an experience UI mapping relationship provided by a manufacturer is taken as a feedforward input, a rough power-current relationship is obtained through the feedforward, and then a PI adjustment is performed to further adjust the output so as to approach the set target. Figure 6 As shown, the PID input is a set power and a feedback power, and the output is a set current. The set power is used to obtain a feedforward current through a feedforward table, which is used as an internal parameter of the PID to participate in calculation. The PID adopts a feedforward+PI adjustment mode to convert the power into the current, the feedforward fitting parameter is derived from a power-current mapping table, and the kp and ki parameters change with the set-target difference.

[0136] Figure 7 It is a joint hydrogen production dynamic energy scheduling and balancing analysis device diagram of an embodiment of the present application. The device includes a first module 710, a second module 720, a third module 730, a fourth module 740 and a fifth module 750.

[0137] The first module is configured to obtain a power generated by an accessed new energy, split the power generated according to a historical distribution of the power generated, and obtain a smooth power and a residual power. The second module is configured to obtain a working condition of a load device, determine a device state of the load device according to the working condition, and the load device includes an ALK and a PEM. The third module is configured to perform switching of a working mode of the load device according to the device state and the power generated, and the working mode is used to represent start and stop of the load device. The fourth module is configured to perform power distribution processing on the smooth power and the residual power according to the working mode, a balancing power condition and the device state, and determine a power taking and sending amount. The fifth module is configured to determine an input current by using feedforward adjustment and PI adjustment according to the power taking and sending amount.

[0138] Exemplarily, under cooperation of the first module to the fifth module in the device, the embodiment device can implement any one of the preceding joint hydrogen production dynamic energy scheduling and balancing methods, that is, the power generation power of the accessed new energy is acquired, the power generation power is split according to a historical distribution of the power generation power to obtain smooth power and residual power; the working condition of the load device is acquired, and the device state of the load device is determined according to the working condition, wherein the load device includes the ALK and the PEM; the switching of the working mode of the load device is performed according to the device state and the power generation power, wherein the working mode is used to represent the start and stop of the load device; the power distribution processing of the smooth power and the residual power is performed according to the working mode, the balancing power condition and the device state to determine the power taking and sending amount; and the input current is determined according to the power taking and sending amount by using the feedforward regulation and the PI regulation. The application has the beneficial effects that: the new energy power is split into two branches of low-frequency trend and high-frequency fluctuation, the power is better divided to the respective more suitable device for consumption by splitting the new energy power; the power level of the load device is dynamically balanced to balance the power distribution among the load devices under the premise of meeting the power consumption and source-load balance, so that the load device has higher efficiency and wider fluctuation consumption space.

[0139] The embodiment of the application further provides an electronic device, which comprises a processor and a memory.

[0140] The memory stores a program.

[0141] The processor executes the program to perform the joint hydrogen production dynamic energy scheduling and balancing method.

[0142] The embodiment of the application further provides a computer readable storage medium, which stores a program, and the program is executed by a processor to implement the joint hydrogen production dynamic energy scheduling and balancing method.

[0143] In some alternative embodiments, the functions / operations described in the block diagrams can not occur in the order presented in the operational illustrations. For example, two blocks shown in succession can in fact be executed substantially concurrently or the blocks can sometimes be executed in the reverse order, depending upon the functionality / operations involved. Also, although the embodiments presented in the flow diagrams are shown as a sequence of operations, it is to be understood that the logical flow is merely illustrative of alternative embodiments. The disclosed methods are not limited to the order of operations presented herein. Alternative embodiments can be contemplated where the order of operations is changed, and where sub-operations described as part of a larger operation are executed in a different order, or are executed concurrently.

[0144] The embodiments of the present application further disclose a computer program product or computer program, which comprises computer instructions stored in a computer readable storage medium. A processor of a computer device can read the computer instructions from the computer readable storage medium, and the processor executes the computer instructions, so that the computer device executes the aforementioned joint hydrogen production dynamic energy scheduling and balancing method.

[0145] Furthermore, although the present application is described in the context of functional modules, it is to be understood that one or more of the described functions and / or features can be integrated in a single physical device and / or software module, or one or more functions and / or features can be implemented in separate physical devices or software modules. It will also be appreciated that detailed discussion of the actual implementation of each module is unnecessary to an understanding of the present application. Rather, the actual implementation is within the routine skill of engineers familiar with the properties, functions and internal relationships of the various functional modules disclosed in the devices herein. Accordingly, the present application is not limited to purely hardware implementations, but also encompasses software implementations, including program instructions stored on computer-readable media. Moreover, the disclosed specific concepts are merely illustrative and are not intended to limit the scope of the present application, which is defined by the full scope of the appended claims and equivalents thereof.

[0146] If the functions are implemented in the form of software function units and sold or used as independent products, they can be stored in a computer readable storage medium. Based on this understanding, the technical solutions of the present application or the parts of the present application that essentially contribute to the prior art or the parts of the technical solutions of the present application can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a magnetic disk or an optical disk, and various media that can store program codes.

[0147] The logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered a list of executable instructions for implementing logic functions, and can be specifically embodied in any computer-readable medium for use by an instruction execution system, apparatus, or device, such as a computer-based system, a system including a processor, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions, or in conjunction with these instructions execution systems, apparatuses, or devices. For the purposes of this specification, a computer-readable medium can be any device that can contain, store, communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device, or in conjunction with these instruction execution systems, apparatuses, or devices.

[0148] More specific examples (a non-exhaustive list) of the computer-readable medium include the following: an electrical connection having one or more wires (electrical devices), a portable computer diskette (magnetic devices), a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). In addition, the computer-readable medium can even be paper or other suitable medium on which the program can be printed, because the program can be electronically obtained, for example, by optical scanning of the paper or other medium, followed by editing, interpreting, or otherwise processing, if necessary, in other suitable ways, to be electronically obtained, and then stored in the computer memory.

[0149] It should be understood that aspects of the application can be implemented in hardware, software, firmware or a combination thereof. In the above embodiments, various steps or methods can be implemented in software or firmware which is stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, and in another embodiment, any of the following technologies, known in the art, can be used: a discrete logic circuit having logic gates for implementing logic functions upon data signals, an application specific integrated circuit having appropriate combinational logic gates, a programmable gate array (PGA), a field programmable gate array (FPGA), and / or the like.

[0150] In the description of the specification, the description of the terms one embodiment, some embodiments, examples, specific examples, or some examples, etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the application. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0151] Although embodiments of the application have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these embodiments without departing from the principles and spirit of the application, and the scope of the application is defined by the claims and their equivalents.

[0152] The above is a specific description of the preferred embodiments of the application, but the application is not limited to the described embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the application, and these equivalent modifications or replacements are all included in the scope defined by the claims of the application.

Claims

1. A method for combined hydrogen production dynamic energy scheduling and balancing, characterized in that, The method comprises the following steps: Obtain the power generation of the accessed new energy, and split the power generation according to the historical distribution of the power generation to obtain smooth power and residual power; Obtain the working condition of the load device, and determine the device state of the load device according to the working condition, wherein the load device comprises an ALK and a PEM; According to the device state and the power generation, the working mode of the load device is switched, wherein the working mode is used to represent the start-stop of the load device; According to the working mode, the balanced power condition and the device state, the power distribution processing is performed on the smooth power and the residual power to determine the power taking and sending amount; According to the power taking and sending amount, the input current is determined by using feedforward regulation and PI regulation. 2.The method of claim 1, wherein, The method comprises the following steps: The power generation of the new energy is split by using a window rolling update filtering algorithm to obtain the smooth power and the residual power, and the window rolling update filtering algorithm is as follows: wherein, represents a smoothed power, represents a residual power, represents a filtering algorithm, represents a current generation power of a new energy source at a time instant, represents a window length of the filtering algorithm, wherein the window length is determined according to a historical distribution of the generation power of the new energy source. 3.The method of claim 2, wherein, The window length comprises: According to the historical distribution, the change tendency, the fluctuation degree and the fluctuation direction of the power generation of the new energy are determined, and the window length is determined according to the change tendency, the fluctuation degree and the fluctuation direction. 4.The method of claim 1, wherein, The method comprises the following steps: The working condition and fault information of the load device are obtained, the running state, the boundary constraint and the running enable bit of the load device are updated according to the working condition and the fault information, and the device state of the load device is obtained.

5. The combined hydrogen production dynamic energy scheduling and balancing method according to claim 4, characterized in that, The method comprises the following steps: The low-power interval of the load device is obtained, the mode division interval is determined according to the low-power interval, and the working mode to be switched of the load device is determined according to the current mode of the power generation and the division interval, wherein the working mode comprises a silent mode, a single ALK mode, a single PEM mode and a hybrid mode, wherein the silent mode is used to transition the load device from a shutdown state to a running state, and the load device is adaptively started for power consumption according to the power generation; the single ALK mode represents that the power is consumed by the ALK when the PEM fails; the single PEM mode represents that the power is consumed by the PEM when the ALK fails; and the hybrid mode represents that the power of the load device is balanced and distributed. 6.The method of claim 1, wherein, The method comprises the following steps: The power distribution is performed, including judging whether the set power of the load device exceeds the upper limit and the lower limit of the response capability: wherein, set the power for ALK, the lowest instantaneous lower limit, the highest instantaneous upper limit, represents the actual power of the electrolytic cell at the last time, and represents the instantaneous response capability determined by the equipment state, respectively represented as the instantaneous up-adjustable power value and the instantaneous down-adjustable power value; determining the set power whether the cell set safety operating boundaries are exceeded: wherein is the global minimum lower bound, is the global maximum upper bound; If the set power is lower than If the set power is lower than If the set power is lower than If the set power is lower than If the set power is lower than If the set power is lower than If the set power is lower than If higher than then perform power balancing allocation process including allocating smooth power to devices according to optimal efficiency point : where PEM is assigned a higher priority than ALK, where denotes the PEM power allocation, is the PEM optimal efficiency point, denotes the allocation of a power to the PEM device not exceeding the optimal efficiency point, with the entire current smoothed power being absorbed by the PEM if the current smoothed power is small. According to the smooth power and the PEM distributed power, it is judged whether there is residual power for ALK consumption: wherein is the most efficient point for ALK, indicates that ALK is assigned a power no higher than the most efficient point; If then the next step is executed, otherwise the remaining smoothing power is again distributed to the electrolyzers and the power limit of the optimum point efficiency is removed, with preference given to the PEM to work in the optimum interval for ALK: If this is the case then go to next step, otherwise allocate the remaining smoothing power to ALK: The residual power is consumed when the next step is executed, otherwise the following process is executed: wherein represents the generated power of the access at this time, and represents that high-frequency fluctuations are preferentially accommodated by the PEM, and when the PEM cannot accommodate all the fluctuations, the remaining fluctuations are accommodated by the ALK. The difference between the power generated by the access and the total power of the ALK and the PEM determines the amount of power taken and delivered To . 7.The method of claim 1, wherein, The method comprises the following steps: According to the experience UI mapping relationship, the feedforward input is determined, and the power-current relationship is determined according to the feedforward input; The PI regulation is performed according to the power-current relationship to obtain the input current.

8. A combined hydrogen production dynamic energy scheduling and balancing device, characterized in that, The method comprises the following steps: A first module is configured to obtain the power generation of the accessed new energy, and split the power generation according to the historical distribution of the power generation to obtain smooth power and residual power; A second module is configured to acquire a working condition of the load device, and determine a device state of the load device according to the working condition, wherein the load device comprises an ALK and a PEM; A third module is configured to perform switching of a working mode of the load device according to the device state and the generated power, wherein the working mode is used to represent start-stop of the load device; A fourth module is configured to perform power distribution processing on the smooth power and the residual power according to the working mode, the equalization power condition and the device state, and determine a power taking and sending amount; A fifth module is configured to determine an input current according to the power taking and sending amount by using feedforward regulation and PI regulation.

9. An electronic device, comprising: The processor and the memory are included. The memory is configured to store a program. The processor executes the program to implement the joint hydrogen production dynamic energy scheduling and equalization method according to any one of claims 1-7.

10. A computer-readable storage medium, characterized in that, The storage medium stores a program, and the program is executed by the processor to implement the joint hydrogen production dynamic energy scheduling and equalization method according to any one of claims 1-7.

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