CN114400660A - Method and system for determining proportion of wind power photovoltaic hydrogen production system - Google Patents

Method and system for determining proportion of wind power photovoltaic hydrogen production system Download PDF

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CN114400660A
CN114400660A CN202210067053.XA CN202210067053A CN114400660A CN 114400660 A CN114400660 A CN 114400660A CN 202210067053 A CN202210067053 A CN 202210067053A CN 114400660 A CN114400660 A CN 114400660A
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photovoltaic
wind power
cost
hydrogen production
hydrogen
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徐敏
余志刚
范雪峰
李万伟
陆军
吴磊
张中丹
胡斌
吕金历
崔炎
田云飞
白望望
贾春蓉
孙沛
张雨津
王晓阳
郑鹏
杜静湄
傅旭
王昭
李丁
李富春
许美朋
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Northwest Electric Power Design Institute of China Power Engineering Consulting Group
Economic and Technological Research Institute of State Grid Gansu Electric Power Co Ltd
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Northwest Electric Power Design Institute of China Power Engineering Consulting Group
Economic and Technological Research Institute of State Grid Gansu Electric Power Co Ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/008—Circuit arrangements for ac mains or ac distribution networks involving trading of energy or energy transmission rights
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • C25B1/04—Hydrogen or oxygen by electrolysis of water
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/02—Process control or regulation
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/60—Constructional parts of cells
    • C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/10—Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/28—The renewable source being wind energy
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/40—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation wherein a plurality of decentralised, dispersed or local energy generation technologies are operated simultaneously

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Abstract

The invention provides a method for determining the proportion of a wind power photovoltaic hydrogen production system. According to the given scale and investment cost of the electric hydrogen production device, the unit power investment cost of wind power and photovoltaic and the annual hourly generation output characteristic data are combined, hydrogen kilogram cost under the matching of wind power installation and photovoltaic installation on different scales is calculated, and the optimal matching of the scales of the wind power installation, the photovoltaic installation and the electric hydrogen production device is determined by taking the lowest hydrogen kilogram cost as a target function. According to the hydrogen production capacity and investment cost of a system to be researched and the unit power investment and output characteristic data of wind power and photovoltaic, the power consumption cost under the conditions of different installed scales of wind power and photovoltaic is obtained. By comparing the electricity consumption cost, the optimal scale proportioning scheme of the wind power installation machine, the photovoltaic installation machine and the electric hydrogen production device is determined, and finally the investment benefit of the wind power photovoltaic hydrogen production system is improved.

Description

Method and system for determining proportion of wind power photovoltaic hydrogen production system
Technical Field
The invention relates to the field of power energy system planning, in particular to a method and a system for determining the proportion of a wind power photovoltaic hydrogen production system, which are used for determining the proportion of various scales of the wind power photovoltaic hydrogen production system and the hydrogen production system.
Background
Hydrogen produced by renewable energy sources such as photovoltaic, wind power and the like is green hydrogen really realizing zero emission, and the green hydrogen is still in a pilot stage at present due to instability of the photovoltaic and the wind power, but under the background of accelerated iteration of the renewable energy technology, the green hydrogen is expected to become a competitive alternative energy source in some fields in the aspect of economy by enlarging hydrogen energy production, distribution, equipment and part manufacturing on a large scale. For wind power and photovoltaic bases without power output channels, hydrogen production becomes a possible energy utilization mode. The wind power and photovoltaic power generation output has the characteristics of intermittency, randomness and fluctuation, the wind power and photovoltaic output is large in a small amount of time in one year, and the hydrogen production capacity cannot be achieved in most of time, which is specifically embodied in that the annual power generation utilization hours of the wind power and photovoltaic power generation are low, the annual power utilization hours of the hydrogen production device cannot be designed, high and economical, and the matching degree of the wind power and photovoltaic power generation output and the hydrogen production output is poor.
On the premise that the power consumption scale of the hydrogen production device is certain, the wind power and photovoltaic scale can be properly built in excess, the utilization rate of the hydrogen production device can be improved at the cost of generating a small amount of abandoned power, and finally the investment benefit of a wind power photovoltaic hydrogen production system is improved.
The capacity of the hydrogen production device is improved in the wind power photovoltaic hydrogen production system, so that the utilization rate of the hydrogen production device is reduced, the capacity of the hydrogen production device is reduced, and the utilization rates of wind power and photovoltaic are reduced. Therefore, the optimal scale ratio of the wind power installation, the photovoltaic installation and the electric hydrogen production device needs to be determined.
Disclosure of Invention
In order to determine the optimal scale ratio of the wind power installation machine, the photovoltaic installation machine and the electric hydrogen production device and improve the investment benefit of a wind power photovoltaic hydrogen production system, the invention provides a method and a system for determining the ratio of the wind power photovoltaic hydrogen production system. According to the hydrogen production capacity and investment cost of a system to be researched and the unit power investment and output characteristic data of wind power and photovoltaic, the power consumption cost under the conditions of different installed scales of wind power and photovoltaic is obtained. By comparing the electricity consumption cost, the optimal scale proportioning scheme of the wind power installation machine, the photovoltaic installation machine and the electric hydrogen production device is determined, and finally the investment benefit of the wind power photovoltaic hydrogen production system is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for determining the proportion of a wind power photovoltaic hydrogen production system comprises the following steps:
acquiring investment cost of an electric hydrogen production device, investment cost of wind power and photovoltaic power generation installation, and power generation output characteristic data of wind power and photovoltaic time by time all the year;
calculating the annual hourly power generation power of wind power generation and photovoltaic power generation installed devices of different scales according to the annual hourly output characteristic data of the wind power generation and the photovoltaic, then matching the power consumption of the given-scale hydrogen generation device to calculate the annual hydrogen yield, calculating the annual cost of the whole wind power photovoltaic hydrogen generation system according to the investment cost of the given-scale hydrogen generation device and the investment costs of the wind power generation and photovoltaic power generation installed devices of different scales, and calculating the hydrogen kilogram cost of the wind power photovoltaic hydrogen generation system of different scales and the photovoltaic installed devices matched with the given-scale hydrogen generation device according to the annual cost and the annual hydrogen yield of the whole wind power photovoltaic hydrogen generation system;
and determining the optimal scale proportion of the wind power installation, the photovoltaic installation and the electric hydrogen production device by taking the lowest hydrogen production kilogram cost as a target function.
As a further improvement of the invention, the objective function determines the optimal proportion of the scales of the wind power installation, the photovoltaic installation and the electric hydrogen production device by comparing the scales of different wind power and photovoltaic installations and the hydrogen kilogram cost of a given electric hydrogen production device scale.
As a further improvement of the present invention, the objective function is specifically:
the objective function is: min (hydrogen kilogram cost)
The cost of hydrogen kilogram is equal to (wind power investment annual cost, wind power operation and maintenance cost, photovoltaic investment annual cost, photovoltaic operation and maintenance cost, electric hydrogen production device annual cost and electric hydrogen production device operation and maintenance cost) divided by annual hydrogen yield.
As a further development of the invention, the cost in the objective function is determined by the following formula:
the annual cost of wind power investment is equal to the installed scale of wind power, the unit investment cost of wind power and the annual value coefficient;
the wind power operation and maintenance cost is equal to the installed scale of the wind power, the investment cost of a wind power unit and the operation and maintenance rate;
the annual photovoltaic investment cost is equal to the installed photovoltaic scale, the unit investment photovoltaic cost and the annual equivalent coefficient;
the photovoltaic operation and maintenance cost is equal to the photovoltaic installed scale, the photovoltaic unit investment cost and the operation and maintenance rate;
the annual cost of the electric hydrogen production device is equal to the scale of the electric hydrogen production device, the unit power investment cost of the electric hydrogen production device and the annual value coefficient;
the operation and maintenance cost of the electric hydrogen production device is equal to the scale of the electric hydrogen production device, multiplied by the unit power investment cost of the electric hydrogen production device, multiplied by the operation and maintenance rate.
As a further improvement of the invention, the method further comprises the step of obtaining the system power generation amount and the electricity abandoning rate after determining the optimal proportion of the scales of the wind power installation machine, the photovoltaic installation machine and the electric hydrogen production device, wherein the step of obtaining the system power generation amount and the electricity abandoning rate specifically comprises the following steps:
simulating annual hourly power generation power of the wind power generation system and the photovoltaic system through the annual hourly power generation output characteristic data and the installed scale of the wind power generation system and the photovoltaic system;
according to the range of the power consumption of the electric hydrogen production device, the part of the wind power and photovoltaic gradual generation power which is larger than the power consumption of the electric hydrogen production device is discarded, and the rest is the hydrogen production power;
and accumulating the hourly data to obtain the annual hydrogen yield corresponding to the hourly hydrogen yield.
A wind power photovoltaic hydrogen production system proportion determining system comprises:
the acquisition module is used for acquiring investment cost of the electric hydrogen production device, investment cost of wind power and photovoltaic installation, and time-by-time power generation output characteristic data of the wind power and the photovoltaic all year around;
the calculation module is used for calculating the annual hourly power generation power of the wind power generation installation and the photovoltaic power generation installation of different scales according to the annual hourly output characteristic data of the wind power generation installation and the photovoltaic power generation installation, then matching the power consumption of the given-scale hydrogen generation device to calculate the annual hydrogen yield, calculating the annual cost of the whole wind power photovoltaic power generation hydrogen production system according to the investment cost of the given-scale hydrogen generation device and the investment costs of the wind power generation installation and the photovoltaic power generation installation of different scales, and calculating the hydrogen kilogram cost of the wind power generation installation and the photovoltaic installation matched with the given-scale hydrogen generation device according to the annual cost and the annual hydrogen yield of the whole wind power photovoltaic power generation hydrogen production system;
and the determining module is used for determining the optimal proportion of the scales of the wind power installation device, the photovoltaic installation device and the electric hydrogen production device by taking the lowest cost of hydrogen kilogram as a target function.
As a further improvement of the present invention, in the determining module, the objective function is specifically:
the objective function is: min (hydrogen kilogram cost)
The cost of hydrogen kilogram is equal to (wind power investment annual cost, wind power operation and maintenance cost, photovoltaic investment annual cost, photovoltaic operation and maintenance cost, electric hydrogen production device annual cost and electric hydrogen production device operation and maintenance cost) divided by annual hydrogen yield.
As a further improvement of the present invention, the present invention further includes an obtaining module, configured to obtain a system power generation amount and a power rejection rate, and specifically includes:
simulating annual hourly power generation power of the wind power generation system and the photovoltaic system through the annual hourly power generation output characteristic data and the installed scale of the wind power generation system and the photovoltaic system;
according to the range of the power consumption of the electric hydrogen production device, the part of the wind power and photovoltaic gradual generation power which is larger than the power consumption of the electric hydrogen production device is discarded, and the rest is the hydrogen production power;
and accumulating the hourly data to obtain the annual hydrogen yield corresponding to the hourly hydrogen yield.
An apparatus for determining a wind power photovoltaic hydrogen production system ratio, comprising:
a memory for storing a plurality of data to be transmitted,
a processor for processing the received data, wherein the processor is used for processing the received data,
the processor is configured to: and executing the matching determination method of the wind power photovoltaic hydrogen production system.
A computer readable storage medium having instructions that, when executed by a processor, enable the processor to perform the wind power photovoltaic hydrogen production system ratio determination method.
Compared with the prior art, the invention has the beneficial effects that:
according to the scale and the investment cost of the given electric hydrogen production device, the hydrogen kilogram cost under the matching of wind power installation and photovoltaic installation of different scales is calculated by combining the unit power investment cost of the wind power and the photovoltaic and the annual hourly generation output characteristic data, and the optimal matching of the scales of the wind power installation, the photovoltaic installation and the electric hydrogen production device is determined by taking the lowest hydrogen kilogram cost as a target function. By adopting the method, the optimal scale ratio of the wind power installation machine, the photovoltaic installation machine and the electric hydrogen production device can be determined, and the investment benefit of the wind power photovoltaic hydrogen production system is improved. Meanwhile, the optimization method has the characteristics of convenience and quickness in calculation.
Drawings
FIG. 1 is a schematic flow diagram of a method for determining a proportion of a wind power photovoltaic hydrogen production system according to the present invention;
FIG. 2 is a graph of example system photovoltaic installation scale versus curtailment rate, and electricity cost;
FIG. 3 is a schematic structural diagram of a system for determining the proportion of a wind power photovoltaic hydrogen production system according to the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
The invention discloses a method for determining the proportion of a wind power photovoltaic hydrogen production system, which mainly determines the optimal proportion of scales of a wind power installation machine, a photovoltaic installation machine and an electric hydrogen production device according to parameters such as hydrogen production capacity of the electric hydrogen production device with a given scale and the like by taking the lowest cost of hydrogen kilogram as a target function, and can obtain the wind power utilization rate and the photovoltaic utilization rate.
As shown in fig. 1, the specific steps are as follows:
(1) collecting unit power investment cost of the electric hydrogen production device, unit power investment cost of wind power and photovoltaic power generation installation, and annual hourly generation output characteristic data of the wind power and the photovoltaic;
(2) calculating the annual hourly power generation power of wind power generation and photovoltaic power generation installed devices of different scales according to the annual hourly output characteristic data of the wind power generation and the photovoltaic, then matching the power consumption of the given-scale hydrogen generation device to calculate the annual hydrogen yield, calculating the annual cost of the whole wind power photovoltaic hydrogen generation system according to the investment cost of the given-scale hydrogen generation device and the investment costs of the wind power generation and photovoltaic power generation installed devices of different scales, and calculating the hydrogen kilogram cost of the wind power photovoltaic hydrogen generation system of different scales and the photovoltaic installed devices matched with the given-scale hydrogen generation device according to the annual cost and the annual hydrogen yield of the whole wind power photovoltaic hydrogen generation system.
(3) And selecting the optimal scale of the wind power installation and the photovoltaic installation according to the hydrogen kilogram cost, and further determining the optimal proportion of the scale of the wind power installation, the photovoltaic installation and the electric hydrogen production device.
As a preferred embodiment, the objective function is specifically:
the objective function is: min (hydrogen kilogram cost)
The cost of hydrogen kilogram is equal to (wind power investment annual cost, wind power operation and maintenance cost, photovoltaic investment annual cost, photovoltaic operation and maintenance cost, electric hydrogen production device annual cost and electric hydrogen production device operation and maintenance cost) divided by annual hydrogen yield.
The cost in the objective function is obtained by the following formula:
the annual cost of wind power investment is equal to the installed scale of wind power, the unit investment cost of wind power and the annual value coefficient;
the wind power operation and maintenance cost is equal to the installed scale of the wind power, the investment cost of a wind power unit and the operation and maintenance rate;
the annual photovoltaic investment cost is equal to the installed photovoltaic scale, the unit investment photovoltaic cost and the annual equivalent coefficient;
the photovoltaic operation and maintenance cost is equal to the photovoltaic installed scale, the photovoltaic unit investment cost and the operation and maintenance rate;
the annual cost of the electric hydrogen production device is equal to the scale of the electric hydrogen production device, the unit power investment cost of the electric hydrogen production device and the annual value coefficient;
the operation and maintenance cost of the electric hydrogen production device is equal to the scale of the electric hydrogen production device, multiplied by the unit power investment cost of the electric hydrogen production device, multiplied by the operation and maintenance rate.
(4) And obtaining the generated energy and the power abandon rate of the system.
The step is taken as a preferable scheme, and specifically comprises the following steps:
firstly, simulating annual hourly power generation power of wind power and photovoltaic annual hourly power generation output characteristic data and installed scales of the wind power and the photovoltaic; secondly, according to the range of the electricity power of the electric hydrogen production device, the part of the wind power and photovoltaic hourly power generation power which is larger than the electricity power of the electric hydrogen production device is abandoned, the rest is the hydrogen production power, the hourly hydrogen yield is corresponded, and the annual hydrogen yield can be obtained by accumulating the hourly data.
The following describes an example of a wind power photovoltaic hydrogen production system in detail with reference to the accompanying drawings. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
Examples
The capacity of the hydrogen production device of a certain wind power photovoltaic hydrogen production system is 20000Nm3H (1800kg/h), the electric power of the electrolytic cell is 100 MW.
With reference to fig. 1 and 2, the method comprises the following specific operation steps:
(1) collecting data such as hydrogen production capacity of a hydrogen production device of a system to be researched, investment cost of the hydrogen production device, investment cost of wind power and photovoltaic unit power and the like:
the hydrogen production device of the system has the capacity of 20000Nm3H (1800kg/h), the electric power used by the electrolytic cell is 10 ten thousand kW, and the unit investment of the electric hydrogen production device is 2.5 ten thousand yuan/(Nm & lt/m & gt)3And h), the investment is 5000 yuan/kW in unit power of the electric hydrogen production device, and the total investment of the electrolytic hydrogen production equipment is about 5 million yuan.
The unit power investment of wind power is 6000 yuan/kW.
The photovoltaic unit power investment is 4000 yuan/kW.
(2) Calculating hydrogen kilogram cost under different wind power and photovoltaic installed scales:
the annual cost of the hydrogen production device is as follows: the equipment investment is converted into an annual value of 4684 ten thousand yuan, and the annual operation and maintenance cost is 750 ten thousand yuan. And calculating hydrogen kilogram cost under different wind power and photovoltaic installed scale ratios, wherein the calculation result is shown in table 1 and figure 2.
TABLE 1 wind-power photovoltaic installed-scale ratio and hydrogen kilogram cost
Figure BDA0003480580550000081
(3) Selecting the optimal scale of the wind power and photovoltaic installation:
as can be seen from the graph and the table, the wind power photovoltaic utilization rate is reduced along with the increase of the scale of the wind power and photovoltaic installation machines, and the power consumption cost is firstly reduced and then increased. When the maximum power of the hydrogen production device is 10 ten thousand kW, the yield is 1800kg/h, 14 ten thousand kW of wind power and 6 ten thousand kW of photovoltaic are configured, the cost of hydrogen production kilogram is 17.25 yuan/kWh, the optimal proportion of the scale of the wind power installation machine, the photovoltaic installation machine and the electric hydrogen production device is realized, and the utilization rate of the wind power photovoltaic power generation amount is 93.6%.
As shown in fig. 3, the present invention further provides a system for determining a ratio of a wind power photovoltaic hydrogen production system, comprising:
the acquisition module is used for acquiring investment cost of the electric hydrogen production device, investment cost of wind power and photovoltaic installation, and time-by-time power generation output characteristic data of the wind power and the photovoltaic all year around;
the calculation module is used for calculating the annual hourly power generation power of the wind power generation installation and the photovoltaic power generation installation of different scales according to the annual hourly output characteristic data of the wind power generation installation and the photovoltaic power generation installation, then matching the power consumption of the given-scale hydrogen generation device to calculate the annual hydrogen yield, calculating the annual cost of the whole wind power photovoltaic power generation hydrogen production system according to the investment cost of the given-scale hydrogen generation device and the investment costs of the wind power generation installation and the photovoltaic power generation installation of different scales, and calculating the hydrogen kilogram cost of the wind power generation installation and the photovoltaic installation matched with the given-scale hydrogen generation device according to the annual cost and the annual hydrogen yield of the whole wind power photovoltaic power generation hydrogen production system;
and the determining module is used for determining the optimal proportion of the scales of the wind power installation device, the photovoltaic installation device and the electric hydrogen production device by taking the lowest cost of hydrogen kilogram as a target function.
As a preferred embodiment, in the determining module, the objective function specifically includes:
the objective function is: min (hydrogen kilogram cost)
The cost of hydrogen kilogram is equal to (wind power investment annual cost, wind power operation and maintenance cost, photovoltaic investment annual cost, photovoltaic operation and maintenance cost, electric hydrogen production device annual cost and electric hydrogen production device operation and maintenance cost) divided by annual hydrogen yield.
Still include the acquisition module for obtain the step of system's generated energy and abandon the rate of electricity, specifically include:
simulating annual hourly power generation power of the wind power generation system and the photovoltaic system through the annual hourly power generation output characteristic data and the installed scale of the wind power generation system and the photovoltaic system;
according to the range of the power consumption of the electric hydrogen production device, the part of the wind power and photovoltaic gradual generation power which is larger than the power consumption of the electric hydrogen production device is discarded, and the rest is the hydrogen production power;
and accumulating the hourly data to obtain the annual hydrogen yield corresponding to the hourly hydrogen yield.
Another objective of the present invention is to provide a device for determining the ratio of a wind power photovoltaic hydrogen production system, comprising:
a memory for storing a plurality of data to be transmitted,
a processor for processing the received data, wherein the processor is used for processing the received data,
the processor is configured to: and executing the matching determination method of the wind power photovoltaic hydrogen production system.
The invention also provides a computer readable storage medium having instructions that, when executed by a processor, enable the processor to perform a wind power photovoltaic hydrogen production system proportioning determination method.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims (10)

1. A method for determining the proportion of a wind power photovoltaic hydrogen production system is characterized by comprising the following steps:
acquiring investment cost of an electric hydrogen production device, investment cost of wind power and photovoltaic power generation installation, and power generation output characteristic data of wind power and photovoltaic time by time all the year;
calculating the annual hourly power generation power of wind power generation and photovoltaic power generation installed devices of different scales according to the annual hourly output characteristic data of the wind power generation and the photovoltaic, then matching the power consumption of the given-scale hydrogen generation device to calculate the annual hydrogen yield, calculating the annual cost of the whole wind power photovoltaic hydrogen generation system according to the investment cost of the given-scale hydrogen generation device and the investment costs of the wind power generation and photovoltaic power generation installed devices of different scales, and calculating the hydrogen kilogram cost of the wind power photovoltaic hydrogen generation system of different scales and the photovoltaic installed devices matched with the given-scale hydrogen generation device according to the annual cost and the annual hydrogen yield of the whole wind power photovoltaic hydrogen generation system;
and determining the optimal scale proportion of the wind power installation, the photovoltaic installation and the electric hydrogen production device by taking the lowest hydrogen production kilogram cost as a target function.
2. The method for determining the proportion of the wind power photovoltaic hydrogen production system according to claim 1, wherein the objective function determines the optimal proportion of the scales of the wind power installation, the photovoltaic installation and the electric hydrogen production device by comparing different scales of the wind power installation and the photovoltaic installation and hydrogen kilogram cost for a given scale of the electric hydrogen production device.
3. The method for determining the proportion of the wind power photovoltaic hydrogen production system according to claim 1, wherein the objective function is specifically as follows:
the objective function is: min (hydrogen kilogram cost)
The cost of hydrogen kilogram is equal to (wind power investment annual cost, wind power operation and maintenance cost, photovoltaic investment annual cost, photovoltaic operation and maintenance cost, electric hydrogen production device annual cost and electric hydrogen production device operation and maintenance cost) divided by annual hydrogen yield.
4. The method for determining the proportion of the wind power photovoltaic hydrogen production system according to claim 3, wherein the cost in the objective function is obtained by the following formula:
the annual cost of wind power investment is equal to the installed scale of wind power, the unit investment cost of wind power and the annual value coefficient;
the wind power operation and maintenance cost is equal to the installed scale of the wind power, the investment cost of a wind power unit and the operation and maintenance rate;
the annual photovoltaic investment cost is equal to the installed photovoltaic scale, the unit investment photovoltaic cost and the annual equivalent coefficient;
the photovoltaic operation and maintenance cost is equal to the photovoltaic installed scale, the photovoltaic unit investment cost and the operation and maintenance rate;
the annual cost of the electric hydrogen production device is equal to the scale of the electric hydrogen production device, the unit power investment cost of the electric hydrogen production device and the annual value coefficient;
the operation and maintenance cost of the electric hydrogen production device is equal to the scale of the electric hydrogen production device, multiplied by the unit power investment cost of the electric hydrogen production device, multiplied by the operation and maintenance rate.
5. The method for determining the proportion of the wind power photovoltaic hydrogen production system according to claim 1, wherein the method further comprises a step of obtaining the system power generation amount and the power rejection rate after determining the optimal proportion of the scales of the wind power installation machine, the photovoltaic installation machine and the electrical hydrogen production device, and the step of obtaining the system power generation amount and the power rejection rate specifically comprises the following steps:
simulating annual hourly power generation power of the wind power generation system and the photovoltaic system through the annual hourly power generation output characteristic data and the installed scale of the wind power generation system and the photovoltaic system;
according to the range of the power consumption of the electric hydrogen production device, the part of the wind power and photovoltaic gradual generation power which is larger than the power consumption of the electric hydrogen production device is discarded, and the rest is the hydrogen production power;
and accumulating the hourly data to obtain the annual hydrogen yield corresponding to the hourly hydrogen yield.
6. A wind power photovoltaic hydrogen production system proportion determining system is characterized by comprising:
the acquisition module is used for acquiring investment cost of the electric hydrogen production device, investment cost of wind power and photovoltaic installation, and time-by-time power generation output characteristic data of the wind power and the photovoltaic all year around;
the calculation module is used for calculating the annual hourly power generation power of the wind power generation installation and the photovoltaic power generation installation of different scales according to the annual hourly output characteristic data of the wind power generation installation and the photovoltaic power generation installation, then matching the power consumption of the given-scale hydrogen generation device to calculate the annual hydrogen yield, calculating the annual cost of the whole wind power photovoltaic power generation hydrogen production system according to the investment cost of the given-scale hydrogen generation device and the investment costs of the wind power generation installation and the photovoltaic power generation installation of different scales, and calculating the hydrogen kilogram cost of the wind power generation installation and the photovoltaic installation matched with the given-scale hydrogen generation device according to the annual cost and the annual hydrogen yield of the whole wind power photovoltaic power generation hydrogen production system;
and the determining module is used for determining the optimal proportion of the scales of the wind power installation device, the photovoltaic installation device and the electric hydrogen production device by taking the lowest cost of hydrogen kilogram as a target function.
7. The proportioning determining system of a wind power photovoltaic hydrogen production system according to claim 6,
in the determining module, the objective function is specifically:
the objective function is: min (hydrogen kilogram cost)
The cost of hydrogen kilogram is equal to (wind power investment annual cost, wind power operation and maintenance cost, photovoltaic investment annual cost, photovoltaic operation and maintenance cost, electric hydrogen production device annual cost and electric hydrogen production device operation and maintenance cost) divided by annual hydrogen yield.
8. The proportion determining system of the wind power photovoltaic hydrogen production system according to claim 6, further comprising an obtaining module for obtaining the steps of system power generation amount and power abandonment rate, and specifically comprising:
simulating annual hourly power generation power of the wind power generation system and the photovoltaic system through the annual hourly power generation output characteristic data and the installed scale of the wind power generation system and the photovoltaic system;
according to the range of the power consumption of the electric hydrogen production device, the part of the wind power and photovoltaic gradual generation power which is larger than the power consumption of the electric hydrogen production device is discarded, and the rest is the hydrogen production power;
and accumulating the hourly data to obtain the annual hydrogen yield corresponding to the hourly hydrogen yield.
9. The utility model provides an equipment of definite wind-powered electricity generation photovoltaic hydrogen manufacturing system ratio which characterized in that includes:
a memory for storing a plurality of data to be transmitted,
a processor for processing the received data, wherein the processor is used for processing the received data,
the processor is configured to: executing the wind power photovoltaic hydrogen production system mixture ratio determination method of any claim 1 to 6.
10. A computer readable storage medium, wherein instructions in the storage medium, when executed by a processor, enable the processor to perform the wind power photovoltaic hydrogen production system ratio determination method of any of claims 1 to 6.
CN202210067053.XA 2022-01-20 2022-01-20 Method and system for determining proportion of wind power photovoltaic hydrogen production system Pending CN114400660A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115275994A (en) * 2022-08-02 2022-11-01 中国华能集团清洁能源技术研究院有限公司 Capacity optimization matching method for wind-solar-energy-storage complementary hydrogen production system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115275994A (en) * 2022-08-02 2022-11-01 中国华能集团清洁能源技术研究院有限公司 Capacity optimization matching method for wind-solar-energy-storage complementary hydrogen production system

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