CN117200269A - Energy storage configuration method and system suitable for new energy power generation isolated network hydrogen production - Google Patents
Energy storage configuration method and system suitable for new energy power generation isolated network hydrogen production Download PDFInfo
- Publication number
- CN117200269A CN117200269A CN202311100848.7A CN202311100848A CN117200269A CN 117200269 A CN117200269 A CN 117200269A CN 202311100848 A CN202311100848 A CN 202311100848A CN 117200269 A CN117200269 A CN 117200269A
- Authority
- CN
- China
- Prior art keywords
- power generation
- energy storage
- generation amount
- hydrogen production
- new energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 114
- 239000001257 hydrogen Substances 0.000 title claims abstract description 114
- 238000010248 power generation Methods 0.000 title claims abstract description 103
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 86
- 238000004146 energy storage Methods 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 37
- 239000012528 membrane Substances 0.000 claims abstract description 31
- 239000003792 electrolyte Substances 0.000 claims abstract description 7
- 238000000418 atomic force spectrum Methods 0.000 claims description 12
- 238000004590 computer program Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 11
- 230000008901 benefit Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention relates to the technical field of new energy power generation, and provides an energy storage configuration method and system suitable for hydrogen production by new energy power generation isolated network, wherein the energy storage configuration method comprises the following steps: obtaining a typical output curve of a new energy station, and calculating to obtain average power generation amount in the whole day; preparing the load capacity of an electrolytic tank for producing hydrogen by alkaline water electrolysis and hydrogen production by proton exchange membrane water electrolysis based on the maximum value and the minimum value of the average power generation amount in the whole day; configuring rated power of the energy storage device by utilizing the maximum difference value between the typical output curve and the average power generation amount in the whole day; configuring rated capacity of the energy storage device based on the typical output curve and the average power generation amount in the whole day; and when the new energy station operates the typical output curve, adjusting the operation capacity of the electrolytic tank for producing hydrogen by electrolyzing water through the proton exchange membrane based on the difference value between the average power generation amount in the whole day and the load capacity of the electrolytic tank for producing hydrogen by electrolyzing water through the alkaline electrolyte. The economic efficiency is also ensured while the whole utilization of the generated energy of the isolated network is ensured.
Description
Technical Field
The invention belongs to the technical field of new energy power generation, and particularly relates to an energy storage configuration method and system suitable for hydrogen production by new energy power generation through isolated network.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In recent years, with the rapid development of renewable energy sources, the power generation cost of new energy sources such as wind power, photovoltaic and the like is continuously reduced. In regions with abundant new energy resources such as wind and light, the renewable energy water electrolysis hydrogen production technology is utilized to convert electric energy with strong volatility and poor stability into chemical energy for storage, so that the hydrogen production cost can be reduced, and the consumption of renewable energy sources can be realized.
At present, the water electrolysis technology with more applications mainly comprises an alkaline water electrolysis hydrogen production technology and a proton exchange membrane water electrolysis hydrogen production technology. The alkaline water electrolysis hydrogen production technology has the advantages of longest development time, most mature technology, simple operation, low electrode material cost and low cost. But also has the following disadvantages: firstly, the starting and stopping speed of the electrolytic cell is low, so that the electrolytic cell is difficult to quickly regulate for renewable energy sources with rapid fluctuation characteristics; secondly, the electrolysis efficiency is low, and the influence of opening and closing on the service life of the equipment is large; finally, the alkaline electrolyte is also somewhat corrosive in terms of environmental protection. The proton exchange membrane water electrolysis hydrogen production technology has low working voltage and energy consumption, high efficiency and high response speed, and can be combined with renewable energy sources for power generation adjustment. However, the electrode material is usually a noble metal alloy, and the equipment cost is high.
New energy power generation is divided into grid-connected type and isolated type. The isolated net type hydrogen production system not only avoids impact of new energy electric energy with high indirection and strong volatility on a power grid, but also solves the problem of phase and frequency difference. For the isolated grid type renewable energy power generation system, an energy storage system is required to stabilize wind and light fluctuation in order to ensure safe and stable operation of the system. At present, most of common energy storage configuration schemes are from economical point of view, a cost and benefit model of the hydrogen production energy storage system is established, and energy storage capacity is optimally configured through various constraint conditions.
Most of the existing energy storage configurations are optimized by taking economy as an index, various cost and benefit planning models are involved, an optimization target value is obtained by utilizing an algorithm, and steps are complicated. In addition, in the process of describing the hydrogen storage planning method and system, the hydrogen production technology type by water electrolysis is rarely involved, and the operation mode cannot be reasonably adjusted according to the actual situation of a new energy station.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides an energy storage configuration method and system suitable for new energy power generation isolated net hydrogen production, which are used for configuring rated load capacities of two electrolytic water hydrogen production devices, namely alkaline electrolytic water hydrogen production and proton exchange membrane electrolytic water hydrogen production, according to a typical output curve of a new energy station, and are simple in steps; and in the running process of the new energy station, the approximate balance between the total power generation amount and the total power consumption of the new energy power generation isolated grid hydrogen production system in the whole day can be realized by adjusting the load of the electrolytic tank for producing hydrogen by electrolyzing water through the proton exchange membrane.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the first aspect of the invention provides an energy storage configuration method suitable for new energy power generation and isolated network hydrogen production, which comprises the following steps:
obtaining a typical output curve of a new energy station, and calculating to obtain average power generation amount in the whole day;
based on the maximum value and the minimum value of the average power generation amount all the day, the load capacity of the electrolytic tank for producing hydrogen by alkaline water electrolysis and proton exchange membrane water electrolysis is configured;
configuring rated power of the energy storage device by utilizing the maximum difference value between the typical output curve and the average power generation amount in the whole day;
calculating the maximum value of the total power generation amount of the new energy station and the total power consumption shortage of hydrogen production in a single day based on the typical output curve and the average power generation amount in the whole day, and configuring the rated capacity of the energy storage device after determining the charge and discharge capacity of the energy storage device;
and when the new energy station operates the typical output curve, adjusting the operation capacity of the electrolytic tank for producing hydrogen by electrolyzing water through the proton exchange membrane based on the difference value between the average power generation amount in the whole day and the load capacity of the electrolytic tank for producing hydrogen by electrolyzing water through the alkaline electrolyte.
Further, the average power generation amount throughout the day is:
wherein P is av,i An average power generation amount of the whole day of the ith typical output curve; p (P) DG,i (t) is the value of the ith typical force curve at time t; t is t 0 Is the initial time; t is one cycle.
Further, the load capacity of the electrolytic tank for producing hydrogen by alkaline water electrolysis is the maximum value of the average power generation amount all the day.
Further, the load capacity of the electrolytic tank for producing hydrogen by electrolyzing water through the proton exchange membrane is the difference between the maximum value and the minimum value of the average power generation amount all day.
Further, the rated power of the energy storage device is as follows:
P e ＝max{P e,1 ,P e,2 ,…,P e,n-1 ,P e,n }
P e,i ＝max|(P DG,i (t)-P av,i )|
wherein P is DG,i (t) represents the i-th typical force curveThe value of the line at time t; p (P) av,i The average power generation amount of the ith typical output curve in the whole day.
Further, the method for calculating the charge and discharge capacity of the energy storage device comprises the following steps:
assuming that there are k moments in a period T, a typical force profile P DG,i (t) the average power generation amount P per day corresponding to the above av,i Equal, the k moments are respectively t 1 ，t 2 ，…，t m ，…，t k Then calculate the slave t respectively 0 To t m At the moment, the absolute value of the charge and discharge capacity of the energy storage device
Absolute delta Q of charge and discharge capacity based on energy storage device i,m Calculating the maximum charge and discharge quantity delta Q required by the energy storage device corresponding to the ith typical output curve i ＝max{ΔQ i,1 ,ΔQ i,2 ,…,ΔQ i,k-1 ,ΔQ i,k Then the charge-discharge capacity of the energy storage device is delta Q max ＝max{ΔQ 1 ,ΔQ 2 ,…,ΔQ n-1 ,ΔQ n And n represents the number of typical force curves.
Further, the rated capacity of the energy storage device is an integer multiple of the charge-discharge capacity of the energy storage device.
The second aspect of the present invention provides an energy storage configuration system suitable for hydrogen production by new energy power generation isolated grid, comprising:
a data acquisition module configured to: obtaining a typical output curve of a new energy station, and calculating to obtain average power generation amount in the whole day;
a first configuration module configured to: based on the maximum value and the minimum value of the average power generation amount all the day, the load capacity of the electrolytic tank for producing hydrogen by alkaline water electrolysis and proton exchange membrane water electrolysis is configured;
a second configuration module configured to: configuring rated power of the energy storage device by utilizing the maximum difference value between the typical output curve and the average power generation amount in the whole day;
a third configuration module configured to: calculating the maximum value of the total power generation amount of the new energy station and the total power consumption shortage of hydrogen production in a single day based on the typical output curve and the average power generation amount in the whole day, and configuring the rated capacity of the energy storage device after determining the charge and discharge capacity of the energy storage device;
an adjustment module configured to: and when the new energy station operates the typical output curve, adjusting the operation capacity of the electrolytic tank for producing hydrogen by electrolyzing water through the proton exchange membrane based on the difference value between the average power generation amount in the whole day and the load capacity of the electrolytic tank for producing hydrogen by electrolyzing water through the alkaline electrolyte.
A third aspect of the present invention provides a computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps as described above in a method of energy storage configuration suitable for hydrogen production from a new energy generation isolated grid.
A fourth aspect of the present invention provides a computer device comprising a memory, a processor and a computer program stored on the memory and operable on the processor, the processor executing the program to implement the steps in a method of energy storage configuration suitable for hydrogen production from a new energy generation isolated grid as described above.
Compared with the prior art, the invention has the beneficial effects that:
the invention starts from the typical output curve of the new energy station, and is provided with rated load capacity of two electrolytic water hydrogen production devices, namely alkaline electrolytic water hydrogen production and proton exchange membrane electrolytic water hydrogen production, and the steps are simple and easy to realize.
In the running process of the new energy station, the invention can realize approximate balance of total power generation amount and total power consumption of the new energy power generation isolated grid hydrogen production system all day by adjusting the load of the electrolytic tank for producing hydrogen by electrolyzing water through the proton exchange membrane.
According to the actual situation of the new energy station, the invention can obtain the optimal hydrogen production system scale by adjusting different hydrogen production modes, and ensures the whole utilization of the generated energy of the isolated power grid and simultaneously takes into account the economical efficiency.
The invention can give consideration to the advantages of good economy of hydrogen production by alkaline water electrolysis and high response speed of hydrogen production by proton exchange membrane water electrolysis, and is beneficial to the reliability and economy of the system.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
Fig. 1 is a flowchart of an energy storage configuration method suitable for new energy power generation and isolated network hydrogen production according to a first embodiment of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Term interpretation:
typical day: typical days in the power system, also called typical load calculation days; the first purpose is to calculate the line loss of each node in the system; second, calculate peak-to-valley time periods of each day; third, the load distribution in the system; in contrast, the determination of a typical day is classified into thermal power generation and hydroelectric power generation according to the winter and summer power generation, and the data of the power related to each node of the whole system from the user gateway is collected once or several times per hour, generally in the month and the month of the two seasons for 24 hours.
Example 1
The embodiment provides an energy storage configuration method suitable for new energy power generation and isolated network hydrogen production.
Aiming at the defect that the current energy storage configuration takes economy as an optimization index and has complicated steps, the energy storage configuration method suitable for new energy power generation isolated net hydrogen production provided by the embodiment obtains the optimal hydrogen production system scale by adjusting different hydrogen production modes from the renewable energy consumption level, and realizes approximate balance of total power generation amount and total power consumption of the new energy power generation isolated net hydrogen production system all day; and comprehensively considers the advantages and disadvantages of two technologies for producing hydrogen by electrolyzing water, combines the respective characteristics of the alkaline water-electrolyzing hydrogen production technology and the proton exchange membrane water-electrolyzing hydrogen production technology, and reasonably adjusts the operation mode according to the actual conditions of the new energy station.
The energy storage configuration method suitable for new energy power generation isolated network hydrogen production provided by the embodiment comprises the following steps: firstly, acquiring typical daily power generation capacity historical data of a new energy station, drawing a plurality of typical output curves of the station according to the historical data, determining corresponding average power generation capacity of the station all the day according to the typical output curves, and further determining the capacities of two hydrogen production equipment, namely alkaline water electrolysis hydrogen production equipment and proton exchange membrane water electrolysis hydrogen production equipment. On the basis, the power type energy storage is configured by utilizing the maximum power fluctuation value of the power generation amount of the new energy station. And calculating the maximum value of the total power generation amount of the new energy station and the total power consumption shortage of hydrogen production in a single day according to the typical output curve, and determining the charge and discharge capacity of the energy storage device. And selecting twice the maximum value of the charge and discharge capacity determined by all typical output curves as the rated capacity of the energy storage device. The energy storage configuration method suitable for new energy power generation isolated net hydrogen production provided by the embodiment can take the advantages of good economy of alkaline water electrolysis hydrogen production and high response speed of proton exchange membrane water electrolysis hydrogen production into consideration, and is beneficial to the reliability and economy of the system.
The energy storage configuration method suitable for new energy power generation and isolated network hydrogen production provided by the embodiment specifically comprises the following steps:
and step 1, determining the capacities of two hydrogen production devices, namely alkaline water electrolysis hydrogen production and proton exchange membrane water electrolysis hydrogen production, according to a typical output curve of a new energy station.
And step 101, determining the average power generation amount of the station in the whole day according to the typical output curve of the new energy station.
And calculating the corresponding total power generation amount of the whole day according to a typical sunrise force curve of the new energy station. Assuming that the new energy station has n typical sunrise force curves, the total power generation E of the new energy station in one day time can be calculated according to the i-th typical force curve i ：
Wherein, the subscript "i" represents the ith typical force curve (1.ltoreq.i.ltoreq.n). t is t 0 Is the initial time; t is 24 hours; p (P) DG,i And (t) is the output curve of the ith at the time t (t 0 ≤t≤t 0 +T), i.e., the generated power of the new energy station at time T.
From this, the average power generation amount P per day of the ith typical output curve can be calculated av,i :
And 102, determining rated load capacities of two hydrogen production devices, namely alkaline water electrolysis hydrogen production and proton exchange membrane water electrolysis hydrogen production, according to the average power generation amount throughout the day.
Calculating the maximum value P of the average power generation amount of all typical output curves in the new energy station av max and minimum value P av min：
P av max＝max{P av,1 ,P av,2 ,…,P av,n-1 ,P av,n } (3)
P av min＝min{P av,1 ,P av,2 ,…,P av,n-1 ,P av,n } (4)
Where n represents the number of typical daily output curves.
According to P av max and P av min determines the capacity of two hydrogen production devices, namely alkaline water electrolysis hydrogen production and proton exchange membrane water electrolysis hydrogen production:
load capacity of the electrolytic cell for producing hydrogen by alkaline water electrolysis:
S AEL ＝P av min (5)
load capacity of an electrolytic cell for producing hydrogen by water electrolysis of a proton exchange membrane:
S PEM ＝P av max-P av min (6)
and 2, configuring rated power of the energy storage device.
First according to the ith typical power curve P in a period T DG,i Average power generation amount P throughout the day av,i Determining the power rating P of the energy storage system for the power curve e,i ：
P e,i ＝max|(P DG,i (t)-P av,i )| (7)
Wherein: (t) 0 ≤t≤t 0 +T)。
The rated power P of the energy storage device can be configured by integrating all n typical output curves of the new energy station e ：
P e ＝max{P e,1 ,P e,2 ,…,P e,n-1 ,P e,n } (8)
And 3, configuring rated capacity of the energy storage device.
Step 301, first, the i-th typical output curve P DG,i (t) and corresponding average power generation amount P throughout the day av,i Calculating the charge-discharge capacity delta Q required by the energy storage device corresponding to the output curve i . The calculation method comprises the following steps:
assume that there are k moments of the typical force profile P in a period T DG,i (t) the average power generation amount P per day corresponding to the above av,i Equality, namely:
P DG,i (t)＝P av,i (9)
it can be determined that these k times are t respectively 1 ，t 2 ，…，t m ，…，t k (m is more than or equal to 1 and is less than or equal to k). Respectively find the slave t 0 To t m At the moment, the absolute value delta Q of the charge and discharge capacity of the energy storage device i,m ：
The energy storage device corresponds to the maximum charge and discharge quantity delta Q required by the ith typical output curve i The method comprises the following steps:
ΔQ i ＝max{ΔQ i,1 ,ΔQ i,2 ,…,ΔQ i,k-1 ,ΔQ i,k } (11)
step 302, the energy storage device corresponds to the charge-discharge capacity Δq required by each output curve i Determining charge-discharge capacity delta Q required by energy storage device corresponding to new energy station max ：
ΔQ max ＝max{ΔQ 1 ,ΔQ 2 ,…,ΔQ n-1 ,ΔQ n } (12)
In delta Q max Is twice the rated capacity Q of the energy storage device e ：
Q e ＝2ΔQ max (13)
And 4, controlling the operation mode of the new energy power generation isolated net hydrogen production system.
The actual output curve of the new energy station will approach one of the n typical output curves described above. When the new energy station operates on the ith typical output curve, the corresponding average power generation amount P in the whole day av,i Is described by formula (2). From (3) and (4), it can be seen that:
P av min≤P av,i ≤P av max (14)
the load capacity of the electrolytic tank for producing hydrogen by electrolyzing water through the proton exchange membrane can be between 0 and rated load S PEM Is adjusted, thus, the operating capacity S thereof is adjusted PEM_S The method comprises the following steps:
S PEM_S ＝P av,i -P av min＝P av,i -S AEL (15)
as can be seen from formulas (1) and (2), under the energy storage configuration conditions of formulas (8) and (13), when the new energy station operates on the ith typical output curve, the generated energy of the new energy station in a period T is equal to the consumed energy of hydrogen production, so that the whole utilization of the isolated network new energy power generation is realized.
The energy storage configuration method suitable for new energy power generation isolated net hydrogen production provided by the embodiment firstly starts from a typical output curve of a new energy station, and configures rated load capacities of two electrolytic water hydrogen production devices, namely alkaline electrolytic water hydrogen production and proton exchange membrane electrolytic water hydrogen production, so that the method is simple in step and easy to realize; secondly, in the running process of the system, the approximate balance between the total daily power generation amount and the total power consumption amount of the new energy power generation isolated net hydrogen production system can be realized by adjusting the load of an electrolytic tank for producing hydrogen by electrolyzing water through a proton exchange membrane; finally, according to the actual conditions of the new energy station, the optimal hydrogen production system scale can be obtained by adjusting different hydrogen production modes, and the economy is also considered while the whole utilization of the generated energy of the isolated power network is ensured.
Example two
The embodiment provides an energy storage configuration system suitable for new energy power generation isolated network hydrogen production, which specifically comprises:
a data acquisition module configured to: obtaining a typical output curve of a new energy station, and calculating to obtain average power generation amount in the whole day;
a first configuration module configured to: based on the maximum value and the minimum value of the average power generation amount all the day, the load capacity of the electrolytic tank for producing hydrogen by alkaline water electrolysis and proton exchange membrane water electrolysis is configured;
a second configuration module configured to: configuring rated power of the energy storage device by utilizing the maximum difference value between the typical output curve and the average power generation amount in the whole day;
a third configuration module configured to: calculating the maximum value of the total power generation amount of the new energy station and the total power consumption shortage of hydrogen production in a single day based on the typical output curve and the average power generation amount in the whole day, and configuring the rated capacity of the energy storage device after determining the charge and discharge capacity of the energy storage device;
an adjustment module configured to: and when the new energy station operates the typical output curve, adjusting the operation capacity of the electrolytic tank for producing hydrogen by electrolyzing water through the proton exchange membrane based on the difference value between the average power generation amount in the whole day and the load capacity of the electrolytic tank for producing hydrogen by electrolyzing water through the alkaline electrolyte.
It should be noted that, each module in the embodiment corresponds to each step in the first embodiment one to one, and the implementation process is the same, which is not described here.
Example III
The present embodiment provides a computer readable storage medium having stored thereon a computer program which when executed by a processor implements the steps in an energy storage configuration method applicable to hydrogen production by new energy generation isolated grid as described in the above embodiment.
Example IV
The embodiment provides a computer device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the program to realize the steps in the energy storage configuration method applicable to new energy power generation and isolated network hydrogen production.
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 flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations 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 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.
Claims (10)
1. An energy storage configuration method suitable for new energy power generation and isolated network hydrogen production is characterized by comprising the following steps:
obtaining a typical output curve of a new energy station, and calculating to obtain average power generation amount in the whole day;
based on the maximum value and the minimum value of the average power generation amount all the day, the load capacity of the electrolytic tank for producing hydrogen by alkaline water electrolysis and proton exchange membrane water electrolysis is configured;
configuring rated power of the energy storage device by utilizing the maximum difference value between the typical output curve and the average power generation amount in the whole day;
calculating the maximum value of the total power generation amount of the new energy station and the total power consumption shortage of hydrogen production in a single day based on the typical output curve and the average power generation amount in the whole day, and configuring the rated capacity of the energy storage device after determining the charge and discharge capacity of the energy storage device;
and when the new energy station operates the typical output curve, adjusting the operation capacity of the electrolytic tank for producing hydrogen by electrolyzing water through the proton exchange membrane based on the difference value between the average power generation amount in the whole day and the load capacity of the electrolytic tank for producing hydrogen by electrolyzing water through the alkaline electrolyte.
2. The energy storage configuration method suitable for new energy power generation isolated grid hydrogen production of claim 1, wherein the average daily power generation amount is:
wherein P is av,i An average power generation amount of the whole day of the ith typical output curve; p (P) DG,i (t) is the value of the ith typical force curve at time t; t is t 0 Is the initial time; t is one cycle.
3. The energy storage configuration method suitable for new energy power generation and isolated grid hydrogen production according to claim 1, wherein the load capacity of the electrolytic tank for alkaline water electrolysis hydrogen production is the maximum value of the average power generation amount in the whole day.
4. The energy storage configuration method suitable for new energy power generation isolated grid hydrogen production according to claim 1, wherein the load capacity of the electrolytic tank for water electrolysis hydrogen production by the proton exchange membrane is the difference between the maximum value and the minimum value of the average power generation amount all day.
5. The energy storage configuration method suitable for new energy power generation isolated grid hydrogen production as claimed in claim 1, wherein the rated power of the energy storage device is as follows:
P e ＝max{P e,1 ,P e,2 ,…,P e,n-1 ,P e,n }
P e,i ＝max|(P DG,i (t)-P av,i )|
wherein P is DG,i (t) represents the value of the ith typical force curve at time t; p (P) av,i The average power generation amount of the ith typical output curve in the whole day.
6. The energy storage configuration method suitable for new energy power generation isolated grid hydrogen production according to claim 1, wherein the method for calculating the charge and discharge capacity of the energy storage device is as follows:
assuming that there are k moments in a period T, a typical force profile P DG,i (t) the average power generation amount P per day corresponding to the above av,i Equal, the k moments are respectively t 1 ，t 2 ，…，t m ，…，t k Then calculate the slave t respectively 0 To t m At the moment, the absolute value of the charge and discharge capacity of the energy storage device
Absolute delta Q of charge and discharge capacity based on energy storage device i,m Calculating the maximum charge and discharge quantity delta Q required by the energy storage device corresponding to the ith typical output curve i ＝max{ΔQ i,1 ,ΔQ i,2 ,…,ΔQ i,k-1 ,ΔQ i,k Then the charge-discharge capacity of the energy storage device is delta Q max ＝max{ΔQ 1 ,ΔQ 2 ,…,ΔQ n-1 ,ΔQ n And n represents the number of typical force curves.
7. The energy storage configuration method suitable for hydrogen production by new energy power generation isolated grid of claim 1, wherein the rated capacity of the energy storage device is an integer multiple of the charge-discharge capacity of the energy storage device.
8. Energy storage configuration system suitable for new forms of energy electricity generation isolated network hydrogen production, characterized in that includes:
a data acquisition module configured to: obtaining a typical output curve of a new energy station, and calculating to obtain average power generation amount in the whole day;
a first configuration module configured to: based on the maximum value and the minimum value of the average power generation amount all the day, the load capacity of the electrolytic tank for producing hydrogen by alkaline water electrolysis and proton exchange membrane water electrolysis is configured;
a second configuration module configured to: configuring rated power of the energy storage device by utilizing the maximum difference value between the typical output curve and the average power generation amount in the whole day;
a third configuration module configured to: calculating the maximum value of the total power generation amount of the new energy station and the total power consumption shortage of hydrogen production in a single day based on the typical output curve and the average power generation amount in the whole day, and configuring the rated capacity of the energy storage device after determining the charge and discharge capacity of the energy storage device;
an adjustment module configured to: and when the new energy station operates the typical output curve, adjusting the operation capacity of the electrolytic tank for producing hydrogen by electrolyzing water through the proton exchange membrane based on the difference value between the average power generation amount in the whole day and the load capacity of the electrolytic tank for producing hydrogen by electrolyzing water through the alkaline electrolyte.
9. A computer readable storage medium having stored thereon a computer program, wherein the program when executed by a processor implements the steps of a method for energy storage configuration for hydrogen production from a new energy generation isolated grid as claimed in any one of claims 1 to 7.
10. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor, when executing the program, performs the steps in a method of energy storage configuration for new energy generation and solitary net hydrogen production as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311100848.7A CN117200269A (en) | 2023-08-29 | 2023-08-29 | Energy storage configuration method and system suitable for new energy power generation isolated network hydrogen production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311100848.7A CN117200269A (en) | 2023-08-29 | 2023-08-29 | Energy storage configuration method and system suitable for new energy power generation isolated network hydrogen production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117200269A true CN117200269A (en) | 2023-12-08 |
Family
ID=89002719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311100848.7A Pending CN117200269A (en) | 2023-08-29 | 2023-08-29 | Energy storage configuration method and system suitable for new energy power generation isolated network hydrogen production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117200269A (en) |
-
2023
- 2023-08-29 CN CN202311100848.7A patent/CN117200269A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107732949B (en) | Energy storage, distribution and constant volume method integrating multi-season characteristics of wind power all year round | |
| CN107276122B (en) | Peak-shaving resource calling decision method suitable for large-scale renewable energy grid connection | |
| CN108667052A (en) | A kind of polymorphic type energy-storage system planning and configuration method and system of Virtual optimal power plant operation | |
| CN103944175A (en) | Wind-solar-storage combined power generation system output characteristic optimization method | |
| CN112886645B (en) | New energy power system operation simulation method based on ultrahigh hydrogen energy proportion | |
| CN110046780B (en) | Islanding micro-grid demand response economic dispatching method and system based on time-of-use electricity price | |
| CN116384559A (en) | Modeling method of hybrid energy storage capacity configuration strategy based on integer linear programming solution | |
| Khakimov et al. | Hydrogen as a key technology for long-term & seasonal energy storage applications | |
| CN114465226A (en) | Method for establishing multi-level standby acquisition joint optimization model of power system | |
| CN114188980B (en) | Transparent micro-grid group economic operation domain generation method considering energy storage device | |
| CN115882483A (en) | Method for realizing optimal energy storage capacity configuration of system by using capacity elasticity | |
| CN117200269A (en) | Energy storage configuration method and system suitable for new energy power generation isolated network hydrogen production | |
| CN115907157A (en) | Site selection and volume fixing optimization method and terminal for adjustable resource joint planning | |
| CN115395545A (en) | Method for participating in power grid frequency modulation by lithium iron phosphate battery considering environment correction model parameters | |
| CN114725961A (en) | Hydrogen production system capacity layering optimization configuration method for stabilizing wind power fluctuation | |
| CN114172175A (en) | Hydrogen storage configuration and control collaborative optimization method for improving economic benefits of wind power plant | |
| Heo et al. | Energy resource capacity optimization for zero-energy housing complex | |
| CN116316740B (en) | Energy storage replacing thermal power capacity efficiency calculation method considering new energy influence | |
| Zhang | Study on the Effects of Different Measures in Promoting Renewable Energy Consumption | |
| CN109274112A (en) | A kind of energy-accumulating power station dispatching method considering Domain Stability | |
| CN116979570B (en) | Micro-grid hybrid energy storage method, system and device | |
| CN116254575B (en) | Hydrogen production efficiency optimization control system and method based on simulated annealing algorithm | |
| CN113255141B (en) | Method for calculating investment capacity and installation position of energy storage power station | |
| CN112436559B (en) | Electric power system scheduling method based on wind power active power control | |
| CN116805792B (en) | Thermal power-energy storage regulation demand judging method and system in high-proportion new energy system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |