CN115395580A - Light energy and hydrogen energy coupling power supply management method, device, equipment, medium and product - Google Patents

Light energy and hydrogen energy coupling power supply management method, device, equipment, medium and product Download PDF

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Publication number
CN115395580A
CN115395580A CN202210960396.9A CN202210960396A CN115395580A CN 115395580 A CN115395580 A CN 115395580A CN 202210960396 A CN202210960396 A CN 202210960396A CN 115395580 A CN115395580 A CN 115395580A
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hydrogen
power generation
power
current
battery
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CN202210960396.9A
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Inventor
卓越
聂金峰
曹毅
刘志文
梁宇
黄豫
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Energy Development Research Institute of China Southern Power Grid Co Ltd
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Energy Development Research Institute of China Southern Power Grid Co Ltd
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Priority to CN202210960396.9A priority Critical patent/CN115395580A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46Controlling of the sharing of output between the generators, converters, or transformers
    • H02J3/466Scheduling the operation of the generators, e.g. connecting or disconnecting generators to meet a given demand
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10Parallel operation of dc sources
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J15/00Systems for storing electric energy
    • H02J15/008Systems for storing electric energy using hydrogen as energy vector
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28Arrangements for balancing of the load in a network by storage of energy
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20The dispersed energy generation being of renewable origin
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20The dispersed energy generation being of renewable origin
    • H02J2300/22The renewable source being solar energy
    • H02J2300/24The renewable source being solar energy of photovoltaic origin

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Fuel Cell (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

The application relates to the technical field of electric power, and provides a method and a device for managing coupling power supply of optical energy and hydrogen energy, computer equipment, a storage medium and a computer program product. The power supply efficiency can be improved. The method comprises the following steps: the method comprises the steps of obtaining the current power generation capacity of a photovoltaic power generation system and the current battery power of a battery energy storage system, closing a fuel battery power generation system under the condition that the current battery power is larger than a preset first battery power threshold, starting an electrolyzed water hydrogen preparation system, enabling the electrolyzed water hydrogen preparation system to prepare hydrogen by utilizing photoelectricity, storing the prepared hydrogen to the hydrogen storage system, closing the electrolyzed water hydrogen preparation system under the condition that the current battery power is smaller than a preset second battery power threshold, starting the fuel battery power generation system, enabling the fuel battery power generation system to utilize the hydrogen stored in the hydrogen storage system to generate electric energy, and inputting the generated electric energy to a power grid, wherein the second battery power threshold is smaller than the first battery power threshold.

Description

Light energy and hydrogen energy coupling power supply management method, device, equipment, medium and product
Technical Field
The present application relates to the field of power technologies, and in particular, to a method and an apparatus for power supply management by coupling optical energy and hydrogen energy, a computer device, a storage medium, and a computer program product.
Background
With the development of power supply technology, new energy is an ideal source of a future energy supply system due to the characteristics of cleanness, no pollution, low cost and the like, the conversion from the traditional fossil energy to the new energy is the key content of future research, and the aim of 'double carbon' can be effectively realized.
In the conventional technology, new energy power generation is generally performed by a current mainstream photovoltaic power generation system, however, the conventional photovoltaic power generation system has a phenomenon of abandoning a lot of light, so that the efficiency of performing power supply by the technology is low.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a method, an apparatus, a computer device, a computer readable storage medium, and a computer program product for managing power supply by coupling optical energy and hydrogen energy.
In a first aspect, the present application provides a method for power management by coupling light energy and hydrogen energy. The method comprises the following steps:
acquiring the current power generation amount of the photovoltaic power generation system and the current battery power of the battery energy storage system; the photoelectricity generated by the photovoltaic power generation system is used for being input to a power grid, a hydrogen preparation system by electrolyzing water and a battery energy storage system;
under the condition that the current battery electric quantity is larger than a preset first battery electric quantity threshold value, a fuel battery power generation system is closed, an electrolyzed water hydrogen production system is started, the electrolyzed water hydrogen production system utilizes photoelectricity to produce hydrogen with first power, and the produced hydrogen is stored in a hydrogen storage system; the first power is determined according to the on-grid power quantity of the power grid and the current power generation quantity;
under the condition that the current battery electric quantity is smaller than a preset second battery electric quantity threshold value, closing the electrolyzed water hydrogen preparation system, starting the fuel cell power generation system, enabling the fuel cell power generation system to generate electric energy with second power by using the hydrogen stored in the hydrogen storage system, and inputting the generated electric energy into a power grid; the second power is determined according to the power on line and the current power generation amount; the second battery charge threshold is less than the first battery charge threshold.
In one embodiment, after obtaining the current power generation amount of the photovoltaic power generation system, the method further comprises:
acquiring the generated energy of a plurality of previous preset periods corresponding to the current generated energy;
obtaining output electric energy low-frequency components of the photovoltaic power generation system according to the current electric energy and the electric energy of a plurality of preset periods;
and determining the first power and the second power according to the internet power and the low-frequency component of the output electric energy.
In one embodiment, after obtaining the current power generation amount of the photovoltaic power generation system and the current battery power amount of the battery energy storage system, the method further comprises:
judging whether the current time meets a preset time condition or not;
under the condition that the current battery electric quantity is greater than the preset first battery electric quantity threshold value, the fuel cell power generation system is closed, and the electrolyzed water hydrogen preparation system is started, and the method comprises the following steps:
and when the current time meets the preset time condition and the current battery electric quantity is greater than a preset first battery electric quantity threshold value, closing the fuel cell power generation system and starting the electrolyzed water hydrogen production system.
In one embodiment, the method further comprises:
under the condition that the current time does not meet the preset time condition, acquiring the current hydrogen storage amount of a hydrogen storage system;
and under the condition that the current hydrogen storage amount is less than the expected hydrogen storage amount of the hydrogen storage system, closing the fuel cell power generation system, starting the electrolyzed water hydrogen production system, enabling the electrolyzed water hydrogen production system to produce hydrogen by using the electric energy of the power grid, and storing the produced hydrogen to the hydrogen storage system.
In one embodiment, the method further comprises:
acquiring a predicted value of the power grid capacity and the historical generated energy of a photovoltaic power generation system;
and determining the expected hydrogen storage amount according to the predicted value of the on-grid electricity quantity and the historical generated energy.
In one embodiment, the photovoltaic power generation system is connected with a first DC/DC converter; the battery energy storage system is connected with the bidirectional DC/DC converter; the fuel cell power generation system is connected with the second DC/DC converter; the system for preparing hydrogen by electrolyzing water is connected with the third DC/DC converter; the hydrogen storage system is respectively connected with the fuel cell power generation system and the electrolyzed water hydrogen production system; the power grid is connected with the bidirectional DC/AC converter; the direct current bus is connected with the first DC/DC converter, the bidirectional DC/DC converter, the second DC/DC converter, the third DC/DC converter and the bidirectional DC/AC converter respectively.
In a second aspect, the present application further provides a power management device for coupling light energy and hydrogen energy. The device comprises:
the electric quantity acquisition module is used for acquiring the current electric quantity of the photovoltaic power generation system and the current battery electric quantity of the battery energy storage system; the photoelectricity generated by the photovoltaic power generation system is used for being input to a power grid, a hydrogen preparation system by electrolyzing water and the battery energy storage system;
the electrolyzed water hydrogen production system starting module is used for closing the fuel cell power generation system and starting the electrolyzed water hydrogen production system under the condition that the current battery electric quantity is larger than a preset first battery electric quantity threshold value, so that the electrolyzed water hydrogen production system utilizes the photoelectricity to produce hydrogen with first power and stores the produced hydrogen to the hydrogen storage system; the first power is determined according to the power grid online electric quantity and the current power generation quantity;
the fuel cell power generation system starting module is used for closing the electrolyzed water hydrogen production system and starting the fuel cell power generation system under the condition that the current battery electric quantity is smaller than a preset second battery electric quantity threshold value, so that the fuel cell power generation system generates electric energy with second power by using the hydrogen stored in the hydrogen storage system and inputs the generated electric energy into the power grid; the second power is determined according to the internet power and the current power generation amount; the second battery charge threshold is less than the first battery charge threshold.
In a third aspect, the present application also provides a computer device. The computer device comprises a memory storing a computer program and a processor implementing the following steps when executing the computer program:
acquiring the current power generation amount of the photovoltaic power generation system and the current battery power of the battery energy storage system; the photoelectricity generated by the photovoltaic power generation system is used for being input to a power grid, a hydrogen preparation system by electrolyzing water and a battery energy storage system; under the condition that the current battery electric quantity is larger than a preset first battery electric quantity threshold value, a fuel battery power generation system is closed, an electrolyzed water hydrogen production system is started, the electrolyzed water hydrogen production system utilizes photoelectricity to produce hydrogen with first power, and the produced hydrogen is stored in a hydrogen storage system; the first power is determined according to the on-grid power quantity of the power grid and the current power generation quantity; under the condition that the current battery electric quantity is smaller than a preset second battery electric quantity threshold value, closing the electrolyzed water hydrogen preparation system, starting the fuel cell power generation system, enabling the fuel cell power generation system to generate electric energy with second power by using the hydrogen stored in the hydrogen storage system, and inputting the generated electric energy into a power grid; the second power is determined according to the power on line and the current power generation amount; the second battery charge threshold is less than the first battery charge threshold.
In a fourth aspect, the present application further provides a computer-readable storage medium. The computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of:
acquiring the current power generation amount of a photovoltaic power generation system and the current battery power of a battery energy storage system; the photoelectricity generated by the photovoltaic power generation system is used for being input to a power grid, a hydrogen preparation system by electrolyzing water and a battery energy storage system; under the condition that the current battery electric quantity is larger than a preset first battery electric quantity threshold value, a fuel battery power generation system is closed, an electrolyzed water hydrogen production system is started, the electrolyzed water hydrogen production system utilizes photoelectricity to produce hydrogen with first power, and the produced hydrogen is stored in a hydrogen storage system; the first power is determined according to the on-grid power quantity of the power grid and the current power generation quantity; under the condition that the current battery electric quantity is smaller than a preset second battery electric quantity threshold value, closing the electrolyzed water hydrogen preparation system, starting the fuel cell power generation system, enabling the fuel cell power generation system to generate electric energy with second power by using the hydrogen stored in the hydrogen storage system, and inputting the generated electric energy into a power grid; the second power is determined according to the power on line and the current power generation amount; the second battery charge threshold is less than the first battery charge threshold.
In a fifth aspect, the present application further provides a computer program product. The computer program product comprising a computer program which when executed by a processor performs the steps of:
acquiring the current power generation amount of the photovoltaic power generation system and the current battery power of the battery energy storage system; the photoelectricity generated by the photovoltaic power generation system is used for being input to a power grid, a hydrogen preparation system by electrolyzing water and a battery energy storage system; under the condition that the current battery electric quantity is larger than a preset first battery electric quantity threshold value, a fuel battery power generation system is closed, an electrolyzed water hydrogen production system is started, the electrolyzed water hydrogen production system utilizes photoelectricity to produce hydrogen with first power, and the produced hydrogen is stored in a hydrogen storage system; the first power is determined according to the on-grid power quantity of the power grid and the current power generation quantity; under the condition that the current battery electric quantity is smaller than a preset second battery electric quantity threshold value, closing the electrolyzed water hydrogen preparation system, starting the fuel cell power generation system, enabling the fuel cell power generation system to generate electric energy with second power by using the hydrogen stored in the hydrogen storage system, and inputting the generated electric energy into a power grid; the second power is determined according to the power on line and the current power generation amount; the second battery charge threshold is less than the first battery charge threshold.
The method, the device, the computer equipment, the storage medium and the computer program product for power supply management by coupling light energy and hydrogen energy are used for acquiring current power generation capacity of a photovoltaic power generation system and current battery power of a battery energy storage system, photoelectricity generated by the photovoltaic power generation system is used for being input to a power grid, a hydrogen preparation system by electrolyzed water and the battery energy storage system, when the current battery power is larger than a preset first battery power threshold value, a fuel battery power generation system is closed, the hydrogen preparation system by electrolyzed water is started, hydrogen is prepared by the hydrogen preparation system by electrolyzed water with first power, the prepared hydrogen is stored in the hydrogen storage system, the first power is determined according to the power grid power and the current power generation capacity, when the current battery power is smaller than a preset second battery power threshold value, the hydrogen preparation system by electrolyzed water is closed, the fuel battery power generation system is started, the fuel battery power generation system generates electric energy by second power by using the hydrogen stored in the hydrogen storage system, the generated electric energy is input to the power grid, the second power is determined according to the power grid power and the current power generation capacity, and the second battery power threshold value is smaller than the first battery power threshold value. According to the scheme, under the condition that the current electric quantity of the photovoltaic power generation system is larger than a preset first battery electric quantity threshold value, namely the current battery electric quantity of the battery energy storage system is insufficient, a fuel battery power generation system is closed, the electrolyzed water hydrogen preparation system is started, the electrolyzed water hydrogen preparation system utilizes photoelectricity to prepare hydrogen with first power, the prepared hydrogen is stored in a hydrogen storage system, under the condition that the current battery electric quantity is smaller than a preset second battery electric quantity threshold value, namely the current battery electric quantity of the battery energy storage system is sufficient, the electrolyzed water hydrogen preparation system is closed, the fuel battery power generation system is started, the fuel battery power generation system utilizes the hydrogen stored in the hydrogen storage system to generate electric energy with second power, the generated electric energy is input to a power grid, and therefore under the condition that the electric quantity of the photovoltaic power generation system is insufficient, the battery energy storage system and the hydrogen storage system are used for converting excessive electric energy into other energy for storage to store, and the electric energy storage system is used for converting the stored into the other energy for power supply, and the power supply efficiency is improved.
Drawings
FIG. 1 is a schematic flow chart illustrating a method for power management by coupling light energy and hydrogen energy according to an embodiment;
FIG. 2 is a schematic structural diagram illustrating an embodiment of a power management method for coupling light energy and hydrogen energy;
FIG. 3 is a flow chart illustrating a method for power management by coupling light energy and hydrogen energy according to another embodiment;
FIG. 4 is a schematic diagram of an algorithm flow for a bi-directional DC/DC converter in one embodiment;
FIG. 5 is a block diagram of an embodiment of a power management device for coupling light energy and hydrogen energy;
FIG. 6 is a diagram of the internal structure of a computer device in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In one embodiment, as shown in fig. 1, a method for power management by coupling optical energy and hydrogen energy is provided, and this embodiment is exemplified by applying the method to an energy management system or a terminal, and includes the following steps:
and S101, acquiring the current power generation amount of the photovoltaic power generation system and the current battery power of the battery energy storage system.
In this step, as shown in fig. 2 and 3, the photoelectricity generated by the photovoltaic power generation system is used for being input to a power grid, a hydrogen gas production system by electrolyzing water and a battery energy storage system, and the photovoltaic power generation system can be a solar power generation system; the battery energy storage system can be a lithium battery energy storage system (lithium battery energy storage module); the current battery charge may be the current SOC value S0.
Specifically, an energy management system (terminal) acquires the current power generation amount of the photovoltaic power generation system and the current battery power amount of the battery energy storage system.
And S102, under the condition that the current battery electric quantity is larger than a preset first battery electric quantity threshold value, closing the fuel battery power generation system, starting the electrolyzed water hydrogen production system, enabling the electrolyzed water hydrogen production system to produce hydrogen with first power by utilizing photoelectricity, and storing the produced hydrogen to the hydrogen storage system.
In this step, as shown in fig. 2 and 3, the first power is determined according to the grid power amount and the current power generation amount of the power grid; the preset first battery electric quantity threshold value can be an upper limit SOC threshold value S1 of the battery energy storage system; the hydrogen storage system is used for storing hydrogen; the grid power may refer to power input to the grid, for example, set power required to be input to the grid, or measured power input to the grid.
Specifically, under the condition that the current battery electric quantity is larger than a preset first battery electric quantity threshold value, the energy management system closes the fuel cell power generation system, starts the electrolyzed water hydrogen production system, enables the electrolyzed water hydrogen production system to produce hydrogen by utilizing photoelectricity at a first power, and stores the produced hydrogen to the hydrogen storage system.
And step S103, under the condition that the current battery electric quantity is smaller than a preset second battery electric quantity threshold value, closing the electrolyzed water hydrogen production system, starting the fuel cell power generation system, enabling the fuel cell power generation system to generate electric energy with second power by using the hydrogen stored in the hydrogen storage system, and inputting the generated electric energy into a power grid.
In this step, as shown in fig. 2 and fig. 3, the second power is determined according to the amount of power on the grid and the current power generation amount; the second battery power threshold is less than the first battery power threshold; the preset second battery power threshold may be a lower limit SOC threshold S2 of the battery energy storage system.
Specifically, as shown in fig. 2 and 3, when the current battery power is less than the preset second battery power threshold, the energy management system shuts down the electrolyzed water hydrogen generation system, starts up the fuel cell power generation system, enables the fuel cell power generation system to generate electric energy with the second power by using the hydrogen stored in the hydrogen storage system, and inputs the generated electric energy to the power grid. Illustratively, as shown in fig. 2 and 3, the photovoltaic power generation system is connected to a first DC/DC converter; the battery energy storage system is connected with the bidirectional DC/DC converter; the fuel cell power generation system is connected with the second DC/DC converter; the system for preparing hydrogen by electrolyzing water is connected with the third DC/DC converter; the hydrogen storage system is respectively connected with the fuel cell power generation system and the electrolyzed water hydrogen production system; the power grid is connected with the bidirectional DC/AC converter; the DC bus is connected to a first DC/DC converter, a bidirectional DC/DC converter, a second DC/DC converter, a third DC/DC converter, and a bidirectional DC/AC converter, respectively, where DC may represent Direct Current (Direct Current), AC may represent Alternating Current (Alternating Current), the DC/DC converter may represent a DC-DC converter (operable to convert DC Current of a certain voltage into DC Current of another voltage), and the DC/AC converter may represent a DC-AC converter (operable to convert DC Current into AC Current).
The method comprises the steps of obtaining the current power generation amount of a photovoltaic power generation system and the current battery power amount of a battery energy storage system, inputting photoelectricity generated by the photovoltaic power generation system into a power grid, electrolyzing water to prepare a hydrogen system and the battery energy storage system, closing the fuel battery power generation system when the current battery power amount is larger than a preset first battery power amount threshold value, starting the electrolyzed water to prepare the hydrogen system, so that the electrolyzed water is used for preparing hydrogen by the hydrogen system, and storing the prepared hydrogen into the hydrogen storage system, wherein the first power is determined according to the online power amount and the current power generation amount of the power grid, closing the electrolyzed water to prepare the hydrogen system, starting the fuel battery power generation system, so that the fuel battery power generation system utilizes the hydrogen stored in the hydrogen storage system to generate electric energy by using a second power, inputting the generated electric energy into the power grid, and determining the second power according to the online power amount and the current power generation amount, wherein the second battery power amount threshold value is smaller than the first battery power amount threshold value. The scheme includes that the current power generation capacity of the photovoltaic power generation system and the current battery power of the battery energy storage system are obtained, the fuel battery power generation system is closed under the condition that the current battery power is larger than a preset first battery power threshold value, namely the current battery power of the battery energy storage system is insufficient, the electrolyzed water hydrogen preparation system is started, the electrolyzed water hydrogen preparation system utilizes photoelectricity to prepare hydrogen at a first power and stores the prepared hydrogen into the hydrogen storage system, the electrolyzed water hydrogen preparation system is closed under the condition that the current battery power is smaller than a preset second battery power threshold value, namely the current battery power of the battery energy storage system is sufficient, the fuel battery power generation system is started, the fuel battery power generation system utilizes the hydrogen stored in the hydrogen storage system to generate electric energy at a second power and inputs the generated electric energy into a power grid, so that the excessive electric energy is converted into other energy to be stored by the battery energy storage system and the hydrogen storage system under the condition that the power generation capacity of the photovoltaic power generation system is insufficient, and the power supply safety is improved.
In an embodiment, the method may further determine the first power and the second power by the following steps, specifically including: acquiring the generated energy of a plurality of previous preset periods corresponding to the current generated energy; obtaining output electric energy low-frequency components of the photovoltaic power generation system according to the current electric energy and the electric energy of a plurality of preset periods; and determining the first power and the second power according to the internet power and the low-frequency component of the output electric energy.
In the present embodiment, as shown in fig. 2 and 3, the power generation amount of the previous multiple preset cycles corresponding to the current power generation amount may be the power generation amount of the previous multiple time intervals of the current power generation amount, for example, the current power generation amount is E5 (n), and the power generation amount of the previous multiple preset cycles corresponding to the current power generation amount may be the power generation amounts E5 (n-1), E5 (n-2), E5 (n-3), E5 (n-4) of the previous 4 intervals of a minute, where n represents the current sampling point; the low-frequency component of the output power (low-pass output power) may be E5= a0 × E5 (n) + a1 × E5 (n-1) + a2 × E5 (n-2) + a3 × E5 (n-3) + a4 × E5 (n-4), where a0, a1, a2, a3, and a4 are parameters, and may range from a0=0.058 to 0.062, a1=0.18 to 0.2, a2=0.2 to 0.3, a3=0.2 to 0.3, and a4=0.1 to 0.2.
Specifically, as shown in fig. 2 and fig. 3, the energy management system obtains the power generation amounts of a plurality of previous preset periods corresponding to the current power generation amount, obtains the output electric energy low-frequency component of the photovoltaic power generation system according to the current power generation amount and the power generation amounts of the plurality of preset periods, and determines the first power and the second power according to the on-grid power amount and the output electric energy low-frequency component.
According to the technical scheme of the embodiment, the first power and the second power are obtained through the current generated energy and the generated energy of a plurality of preset periods, so that the more accurate first power and second power are obtained, and the power supply efficiency is improved.
In one embodiment, the method can also shut down the fuel cell power generation system and start up the electrolyzed water hydrogen production system by the following steps, specifically comprising: judging whether the current time meets a preset time condition or not; and when the current time meets the preset time condition and the current battery electric quantity is greater than a preset first battery electric quantity threshold value, closing the fuel cell power generation system and starting the electrolyzed water hydrogen production system.
In this embodiment, the preset time condition may be a daytime time.
Specifically, as shown in fig. 2 and 3, the energy management system determines whether the current time meets a preset time condition, shuts down the fuel cell power generation system when the current time meets the preset time condition and the current battery power is greater than a preset first battery power threshold, starts up the electrolyzed water hydrogen generation system, and allows the electrolyzed water hydrogen generation system to generate hydrogen at a first power by using photoelectricity and store the generated hydrogen in the hydrogen storage system, or shuts down the electrolyzed water hydrogen generation system and starts up the fuel cell power generation system when the current time meets the preset time condition and the current battery power is less than a preset second battery power threshold, so that the fuel cell power generation system generates electric energy at a second power by using the hydrogen stored in the hydrogen storage system and inputs the generated electric energy into the power grid.
According to the technical scheme of the embodiment, the steps of closing the fuel cell power generation system and starting the electrolyzed water hydrogen production system are executed under the condition that the current battery electric quantity is greater than the preset first battery electric quantity threshold value by judging whether the current time meets the preset time condition or not, so that the power supply efficiency is improved.
In one embodiment, the method can also start a system for producing hydrogen by electrolyzing water by the following steps, specifically comprising: under the condition that the current time does not meet the preset time condition, acquiring the current hydrogen storage amount of a hydrogen storage system; and under the condition that the current hydrogen storage amount is less than the expected hydrogen storage amount of the hydrogen storage system, closing the fuel cell power generation system, starting the electrolyzed water hydrogen production system, enabling the electrolyzed water hydrogen production system to produce hydrogen by using the electric energy of the power grid, and storing the produced hydrogen to the hydrogen storage system.
In this embodiment, as shown in fig. 2 and 3, the current hydrogen storage amount may be M0 cubic meter of the total amount of hydrogen stored in the current hydrogen storage system; the desired amount of hydrogen storage may be a desired amount of hydrogen storage for the hydrogen storage system.
Specifically, as shown in fig. 2 and 3, the energy management system determines whether the current time meets a preset time condition, acquires the current hydrogen storage amount of the hydrogen storage system when the current time does not meet the preset time condition, shuts down the fuel cell power generation system when the current hydrogen storage amount is smaller than the expected hydrogen storage amount of the hydrogen storage system, starts the electrolyzed water hydrogen production system, and allows the electrolyzed water hydrogen production system to produce hydrogen by using the electric energy of the power grid (for example, taking electricity from the power grid), and stores the produced hydrogen to the hydrogen storage system.
According to the technical scheme, when the current time does not meet the preset time condition (for example, at night), electricity is taken from a power grid (the electric energy provided by the power grid is received), the electrolyzed water hydrogen production system is started, the electrolyzed water hydrogen production system produces hydrogen by utilizing the electric energy of the power grid, the produced hydrogen is stored in the hydrogen storage system, the electric energy of the power grid is utilized to produce hydrogen at the peak-off place in the power utilization valley period, so that the hydrogen is utilized for supplying power continuously, even if the energy sent into the power grid in the daytime is stable and controllable, the electricity price of the valley is utilized at night, the hydrogen storage energy is produced through electrolysis, the controllability of the electric energy of one week in the future is ensured, the power supply efficiency is improved, and the electric energy is utilized to the maximum.
In one embodiment, the method may further determine the desired amount of hydrogen storage by: acquiring an online electric quantity predicted value of a power grid and historical generated energy of a photovoltaic power generation system; and determining the expected hydrogen storage amount according to the predicted value of the on-grid electricity quantity and the historical generated energy.
In this embodiment, as shown in fig. 2 and fig. 3, the predicted value of the power consumption on the internet may be a predicted value of the power consumption input to the power grid, for example, a predicted power consumption on the internet for 7 days; the historical power generation amount can be a daily average E1 of the power generation amount of the photovoltaic power generation system in the historical future week and a power generation average E2 of the last 7 days.
Specifically, as shown in fig. 2 and fig. 3, the energy management system obtains the predicted value of the grid power amount of the power grid and the historical power generation amount of the photovoltaic power generation system, and determines the expected hydrogen storage amount according to the predicted value of the grid power amount and the historical power generation amount.
According to the technical scheme of the embodiment, the expected hydrogen storage amount is obtained through the predicted value of the power grid electricity quantity and the historical generated energy of the photovoltaic power generation system, so that the more accurate expected hydrogen storage amount is obtained, the power supply efficiency is improved, and the electric energy is utilized to the maximum extent.
The following describes an application example of the method for power management by coupling optical energy and hydrogen energy provided by the present application, as shown in fig. 2 and fig. 3, the method includes the following main steps:
(1) (1000) the energy management system 100 acquires a daily average value E1 of electric energy generated by the photovoltaic system in the historical same period in the future of a week and an average value E2 of electric energy generated in the latest 7 days from the photovoltaic power generation system 102 through the CAN bus, sets the real-time on-line electric quantity per minute in the daytime to be E3, and sets the estimated on-line electric quantity E4 in the 7 days.
(2) (1001) the energy management system 100 acquires the current power generation amount E5 (n) from the photovoltaic power generation system 102 through the CAN bus every a minutes, and obtains the current power generation amount E5 (n) and the power generation amounts E5 (n-1), E5 (n-2), E5 (n-3), E5 (n-4) of the previous 4 a minutes, where n represents the current sampling point, calculates the low-pass output power E5= a 0E 5 (n) + a 1E 5 (n-1) + a 2E 5 (n-2) + a 3E 5 (n-3) + a 4E 5 (n-4) of the current photovoltaic power generation system 102, and if the current power generation amount is the day, the step (3) is entered, otherwise, the step (7) is entered.
(3) (1002) the energy management system 100 starts a bidirectional DC/AC converter to operate in a feeder mode (for example, inputting electric energy to a power grid) through the CAN bus, and the feeder power P _ net = E3/60 of the converter.
(4) (1003) the energy management system 100 obtains a current SOC value S0 of a lithium battery energy storage module (a battery energy storage system) through the CAN bus, sets an upper limit SOC threshold value of the lithium battery energy storage module as S1, sets a lower limit threshold value of the lithium battery energy storage module as S2, enters the step (5) when the S0 is larger than the S1, and enters the step (6) when the S0 is smaller than the lower limit threshold value of the S2.
(5) (1004) the energy pipe system 100 starts the third DC/DC converter 401 through the CAN bus, starts the electrolyzed water hydrogen production system 402, closes the second DC/DC converter 301, and closes the fuel cell power generation system 302, the system enters the hydrogen production mode, and the output power P _ H2= (E5-E3 + a5= (S1-S0))/60 of the third DC/DC converter 401 returns to step (1).
(6) (1005) the energy pipe system 100 closes the third DC/DC converter 401, closes the electrolyzed water hydrogen production system 402, starts the second DC/DC converter 301, and starts and stops the fuel cell power generation system 302 through the CAN bus, the system enters the fuel cell power generation mode, the output power P _ FC = (E3-E5 + a6= (S2-S0))/60 of the second DC/DC converter 301, and the step (1) is returned.
(7) (1006) the energy management system calculates a desired stored hydrogen amount M1= (E4- (E2 a7+ E1 a 8))/β, where β is the amount of electrical energy generated by the fuel cell power generation system per cubic volume of hydrogen, and a7 ranges from: 0.4-0.5, and the value range of a8 is as follows: 0.5 to 0.6.
(8) (1007) the energy management system 100 obtains that the total amount of hydrogen stored in the current hydrogen storage system 403 is M0 cubic meter through the CAN bus, and when M0 is smaller than M1, the third DC/DC converter 401 is started and the second DC/DC converter is closed through the CAN bus, and the system enters a hydrogen preparation mode; and sending an instruction through the CAN bus bidirectional DC/AC converter to enable the bidirectional DC/AC converter to work in an energy consumption mode (for example, power is taken from the power grid), wherein the output power P _ H2= (M1-M0) × 5/12 of the third DC/DC converter 401, the power taken from the power grid by the bidirectional DC/AC converter is equal to P _ H2, and returning to the step (1).
The power output end of the first DC/DC converter 101, the power output end of the second DC/DC converter 301, the output end of the bidirectional DC/DC converter 201, the power input end of the third DC/DC converter 401, and the power input end of the bidirectional DC/AC converter 501 are connected through a DC bus. The electric energy output of the photovoltaic power generation system 102 is connected with the electric energy input end of the first DC/DC converter 101, the electric energy output of the fuel cell power generation system 302 is connected with the electric energy input end of the second DC/DC converter 301, the electric energy output end of the third DC/DC converter 401 is connected with the electric energy input end of the electrolyzed water hydrogen production system 402, the input end of the bidirectional DC/DC converter 201 is connected with the electric energy output end of the lithium battery energy storage module 202, and the electric energy output end of the bidirectional DC/AC converter 501 is connected with the power grid 502. The hydrogen input end of the fuel cell power generation system 302, the hydrogen output end of the electrolyzed water hydrogen production system 402, and the hydrogen storage system 403 are connected by a hydrogen pipeline. The energy management system 100 is connected with a communication port of the photovoltaic power generation system 102, a communication port of the first DC/DC converter 101, a communication port of the lithium battery energy storage module 202, a communication port of the bidirectional DC/DC converter 201, a communication port of the fuel cell power generation system 302, a communication port of the second DC/DC converter 301, a communication port of the electrolyzed water production hydrogen gas system 402, a communication port of the third DC/DC converter 401, a communication port of the hydrogen gas storage system 403 and a communication port of the bidirectional DC/AC converter 501 through a CAN bus. The coefficient range of the parameters in the method is as follows: a0= 0.058-0.062, a1= 0.18-0.2, a2= 0.2-0.3, a3= 0.2-0.3, a4= 0.1-0.2. The current capacity is SC kilowatt-hour electricity obtained from the lithium battery energy storage module through the CAN bus, and the coefficient in the control method is a5= a6=0.1 × SC/12/60.
For example, as shown in fig. 4, a controller is integrated inside a bidirectional DC/DC converter, and an energy management algorithm is disposed inside the controller, and the algorithm performs the following steps: (A) 2000 step: setting an upper voltage limit V1 and a lower voltage limit V2, detecting the voltage V of a direct current bus at the output end of the bidirectional DC/DC converter by an internal controller, entering a step B when the voltage V is greater than the voltage V1, and entering a step C when the voltage V is less than the voltage V2; (B) step 2001: performing PID control by taking the difference between V and V1 as an error amount, taking the calculated value as a current set value of the internal controller of the bidirectional DC/DC converter for reverse operation, and returning to the step (A); (C) 2002 step: and (4) performing PID control by taking the difference between V2 and V as an error amount, and returning to the step (A) as a calculated value serving as a current set value for forward operation of the internal controller of the bidirectional DC/DC converter.
The technical scheme of this application example, can promote the life-span of battery, simple reliable, maneuverability is high, and hydrogen is prepared to real-time control lithium cell and electrolysis water to and fuel cell power generation system's electric energy distribution, make the energy of sending into the electric wire netting daytime steady controllable, utilize the price of electricity of low ebb evening, realize the electrolysis and prepare hydrogen stored energy, guarantee that the online electric energy of future a week is controllable, improve the efficiency of power supply, and improve the security of power supply.
It should be understood that, although the steps in the flowcharts related to the embodiments as described above are sequentially displayed as indicated by arrows, the steps are not necessarily performed sequentially as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a part of the steps in the flowcharts related to the embodiments described above may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the execution order of the steps or stages is not necessarily sequential, but may be rotated or alternated with other steps or at least a part of the steps or stages in other steps.
Based on the same inventive concept, the embodiment of the present application further provides a light energy and hydrogen energy coupling power supply management apparatus for implementing the light energy and hydrogen energy coupling power supply management method. The implementation scheme for solving the problem provided by the device is similar to the implementation scheme recorded in the method, so that specific limitations in one or more embodiments of the optical energy and hydrogen energy coupling power supply management device provided below can be referred to the limitations on the optical energy and hydrogen energy coupling power supply management method in the foregoing, and details are not repeated herein.
In one embodiment, as shown in fig. 5, there is provided a light energy and hydrogen energy coupling power management apparatus, and the apparatus 500 may include:
the electric quantity obtaining module 501 is used for obtaining the current electric quantity of the photovoltaic power generation system and the current battery electric quantity of the battery energy storage system; the photoelectricity generated by the photovoltaic power generation system is used for being input to a power grid, a hydrogen preparation system by electrolyzing water and the battery energy storage system;
the electrolyzed water hydrogen production system starting module 502 is used for closing the fuel cell power generation system and starting the electrolyzed water hydrogen production system under the condition that the current battery electric quantity is larger than a preset first battery electric quantity threshold value, so that the electrolyzed water hydrogen production system produces hydrogen with first power by utilizing the photoelectricity and stores the produced hydrogen to the hydrogen storage system; the first power is determined according to the grid power quantity of the power grid and the current power generation quantity;
a fuel cell power generation system starting module 503, configured to, when the current battery power is smaller than a preset second battery power threshold, close the electrolyzed water hydrogen production system, start the fuel cell power generation system, so that the fuel cell power generation system generates electric energy with a second power by using the hydrogen stored in the hydrogen storage system, and input the generated electric energy to the power grid; the second power is determined according to the internet power and the current power generation amount; the second battery charge threshold is less than the first battery charge threshold.
In one embodiment, the apparatus 500 further comprises: the power determining module is used for acquiring the generated energy of a plurality of previous preset periods corresponding to the current generated energy; obtaining low-frequency components of output electric energy of the photovoltaic power generation system according to the current electric energy and the electric energy of the preset periods; and determining the first power and the second power according to the internet power and the low-frequency component of the output electric energy.
In one embodiment, the apparatus 500 further comprises: the time condition judging module is used for judging whether the current time meets a preset time condition or not; and a starting module 502 of the electrolyzed water hydrogen production system, configured to close the fuel cell power generation system and start the electrolyzed water hydrogen production system when the current time meets the preset time condition and the current battery power is greater than the preset first battery power threshold.
In one embodiment, the apparatus 500 further comprises: the current hydrogen storage amount acquisition module is used for acquiring the current hydrogen storage amount of the hydrogen storage system under the condition that the current time does not meet the preset time condition; and under the condition that the current hydrogen storage amount is smaller than the expected hydrogen storage amount of the hydrogen storage system, closing the fuel cell power generation system, starting the electrolyzed water hydrogen production system, enabling the electrolyzed water hydrogen production system to produce hydrogen by using the electric energy of the power grid, and storing the produced hydrogen to the hydrogen storage system.
In one embodiment, the apparatus 500 further comprises: the expected hydrogen storage capacity determining module is used for acquiring an online electric quantity estimated value of the power grid and historical generated energy of the photovoltaic power generation system; and determining the expected hydrogen storage amount according to the predicted value of the on-grid electricity quantity and the historical power generation amount.
In one embodiment, the photovoltaic power generation system is connected to a first DC/DC converter; the battery energy storage system is connected with the bidirectional DC/DC converter; the fuel cell power generation system is connected with a second DC/DC converter; the electrolyzed water hydrogen production system is connected with the third DC/DC converter; the hydrogen storage system is respectively connected with the fuel cell power generation system and the electrolyzed water hydrogen production system; the power grid is connected with a bidirectional DC/AC converter; the direct current bus is connected to the first DC/DC converter, the bidirectional DC/DC converter, the second DC/DC converter, the third DC/DC converter, and the bidirectional DC/AC converter, respectively.
All or part of the modules in the optical energy and hydrogen energy coupling power supply management device can be realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent of a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a terminal, and its internal structure diagram may be as shown in fig. 6. The computer device includes a processor, a memory, a communication interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The communication interface of the computer device is used for carrying out wired or wireless communication with an external terminal, and the wireless communication can be realized through WIFI, a mobile cellular network, NFC (near field communication) or other technologies. The computer equipment also comprises an input/output interface, wherein the input/output interface is a connecting circuit for exchanging information between the processor and external equipment, and is connected with the processor through a bus, and the input/output interface is called an I/O interface for short. The computer program is executed by a processor to realize a method for managing the coupling of the optical energy and the hydrogen energy for power supply. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 6 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is further provided, which includes a memory and a processor, the memory stores a computer program, and the processor implements the steps of the above method embodiments when executing the computer program.
In an embodiment, a computer-readable storage medium is provided, on which a computer program is stored which, when being executed by a processor, carries out the steps of the above-mentioned method embodiments.
In an embodiment, a computer program product is provided, comprising a computer program which, when being executed by a processor, carries out the steps of the above-mentioned method embodiments.
It should be noted that, the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data for analysis, stored data, presented data, etc.) referred to in the present application are information and data authorized by the user or sufficiently authorized by each party.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above may be implemented by hardware instructions of a computer program, which may be stored in a non-volatile computer-readable storage medium, and when executed, may include the processes of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high-density embedded nonvolatile Memory, resistive Random Access Memory (ReRAM), magnetic Random Access Memory (MRAM), ferroelectric Random Access Memory (FRAM), phase Change Memory (PCM), graphene Memory, and the like. Volatile Memory can include Random Access Memory (RAM), external cache Memory, and the like. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others. The databases referred to in various embodiments provided herein may include at least one of relational and non-relational databases. The non-relational database may include, but is not limited to, a block chain based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, quantum computing based data processing logic devices, etc., without limitation.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims (10)

1. A method for power supply management by coupling light energy and hydrogen energy is characterized by comprising the following steps:
acquiring the current power generation amount of the photovoltaic power generation system and the current battery power of the battery energy storage system; the photoelectricity generated by the photovoltaic power generation system is used for being input to a power grid, a hydrogen preparation system by electrolyzing water and the battery energy storage system;
under the condition that the current battery electric quantity is larger than a preset first battery electric quantity threshold value, a fuel battery power generation system is closed, the electrolyzed water hydrogen production system is started, the electrolyzed water hydrogen production system utilizes the photoelectricity to produce hydrogen with first power, and the produced hydrogen is stored in a hydrogen storage system; the first power is determined according to the power grid online electric quantity and the current power generation quantity;
under the condition that the current battery electric quantity is smaller than a preset second battery electric quantity threshold value, closing the electrolyzed water hydrogen production system, starting the fuel cell power generation system, enabling the fuel cell power generation system to generate electric energy with second power by using the hydrogen stored in the hydrogen storage system, and inputting the generated electric energy into the power grid; the second power is determined according to the internet power and the current power generation amount; the second battery charge threshold is less than the first battery charge threshold.
2. The method of claim 1, wherein after obtaining the current power generation of the photovoltaic power generation system, the method further comprises:
acquiring the generated energy of a plurality of previous preset periods corresponding to the current generated energy;
obtaining low-frequency components of output electric energy of the photovoltaic power generation system according to the current electric energy and the electric energy of the preset periods;
and determining the first power and the second power according to the internet power and the low-frequency component of the output electric energy.
3. The method of claim 1, wherein after obtaining the current power generation amount of the photovoltaic power generation system and the current battery power amount of the battery energy storage system, the method further comprises:
judging whether the current time meets a preset time condition or not;
under the condition that the current battery electric quantity is greater than a preset first battery electric quantity threshold value, a fuel cell power generation system is closed, and the electrolyzed water hydrogen preparation system is started, and the method comprises the following steps:
and when the current time meets the preset time condition and the current battery electric quantity is larger than the preset first battery electric quantity threshold value, closing the fuel battery power generation system and starting the electrolyzed water hydrogen production system.
4. The method of claim 3, further comprising:
under the condition that the current time does not meet the preset time condition, acquiring the current hydrogen storage amount of the hydrogen storage system;
and under the condition that the current hydrogen storage amount is smaller than the expected hydrogen storage amount of the hydrogen storage system, closing the fuel cell power generation system, starting the electrolyzed water hydrogen production system, enabling the electrolyzed water hydrogen production system to produce hydrogen by using the electric energy of the power grid, and storing the produced hydrogen to the hydrogen storage system.
5. The method of claim 4, further comprising:
acquiring an online electric quantity estimated value of the power grid and historical generated energy of the photovoltaic power generation system;
and determining the expected hydrogen storage amount according to the predicted value of the on-grid electricity quantity and the historical generated energy.
6. The method of claim 1, wherein the photovoltaic power generation system is connected to a first DC/DC converter; the battery energy storage system is connected with the bidirectional DC/DC converter; the fuel cell power generation system is connected with a second DC/DC converter; the system for preparing hydrogen by electrolyzing water is connected with a third DC/DC converter; the hydrogen storage system is respectively connected with the fuel cell power generation system and the electrolyzed water hydrogen production system; the power grid is connected with a bidirectional DC/AC converter; the direct current bus is connected to the first DC/DC converter, the bidirectional DC/DC converter, the second DC/DC converter, the third DC/DC converter, and the bidirectional DC/AC converter, respectively.
7. A device for power management by coupling light energy and hydrogen energy, the device comprising:
the electric quantity acquisition module is used for acquiring the current electric quantity of the photovoltaic power generation system and the current battery electric quantity of the battery energy storage system; the photoelectricity generated by the photovoltaic power generation system is used for being input to a power grid, a hydrogen preparation system by electrolyzing water and the battery energy storage system;
the electrolytic water hydrogen production system starting module is used for closing the fuel cell power generation system and starting the electrolytic water hydrogen production system under the condition that the current battery electric quantity is larger than a preset first battery electric quantity threshold value, so that the electrolytic water hydrogen production system produces hydrogen with first power by utilizing the photoelectricity, and stores the produced hydrogen to the hydrogen storage system; the first power is determined according to the power grid online electric quantity and the current power generation quantity;
the fuel cell power generation system starting module is used for closing the electrolyzed water hydrogen production system and starting the fuel cell power generation system under the condition that the current battery electric quantity is smaller than a preset second battery electric quantity threshold value, so that the fuel cell power generation system generates electric energy with second power by using the hydrogen stored in the hydrogen storage system and inputs the generated electric energy into the power grid; the second power is determined according to the internet surfing electric quantity and the current generating capacity; the second battery charge threshold is less than the first battery charge threshold.
8. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, implements the steps of the method of any of claims 1 to 6.
9. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 6.
10. A computer program product comprising a computer program, characterized in that the computer program, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 6.
CN202210960396.9A 2022-08-11 2022-08-11 Light energy and hydrogen energy coupling power supply management method, device, equipment, medium and product Pending CN115395580A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116072998A (en) * 2023-03-06 2023-05-05 宁德时代新能源科技股份有限公司 Communication method, device, system, equipment, medium and product of energy storage system
CN116402324A (en) * 2023-06-09 2023-07-07 苏州精控能源科技有限公司 Renewable energy management method, device, medium and electronic equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116072998A (en) * 2023-03-06 2023-05-05 宁德时代新能源科技股份有限公司 Communication method, device, system, equipment, medium and product of energy storage system
CN116072998B (en) * 2023-03-06 2023-08-11 宁德时代新能源科技股份有限公司 Communication method, device, system, equipment, medium and product of energy storage system
CN116402324A (en) * 2023-06-09 2023-07-07 苏州精控能源科技有限公司 Renewable energy management method, device, medium and electronic equipment
CN116402324B (en) * 2023-06-09 2023-08-15 苏州精控能源科技有限公司 Renewable energy management method, device, medium and electronic equipment

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