CN115663967A - Method and device for regulating power of energy storage battery, electronic equipment and storage medium - Google Patents
Method and device for regulating power of energy storage battery, electronic equipment and storage medium Download PDFInfo
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Abstract
The embodiment of the application discloses a method and a device for adjusting the power of an energy storage battery, electronic equipment and a storage medium, and solves the problem of power grid frequency fluctuation caused by randomness and instability of new energy power generation through real-time adjustment of the output power of the energy storage battery. The method comprises the following steps: acquiring power generation output power of a new energy power generation system, load consumption power of a power grid system and electric quantity data of a charge state of charge (SOC) of an energy storage battery in real time, wherein the new energy power generation system is a power generation system connected to the power grid system, and the number of the energy storage batteries is at least one; generating an energy storage action signal according to the power generation output power and the load consumption power, wherein the energy storage action signal is used for indicating that an energy storage system formed by an energy storage battery needs to output or absorb power; and adjusting the power of the energy storage battery in real time according to the energy storage action signal and the electric quantity data.
Description
Technical Field
The present disclosure relates to the field of energy storage battery technologies, and in particular, to a method and an apparatus for adjusting power of an energy storage battery, an electronic device, and a storage medium.
Background
At present, in order to solve environmental crisis such as global warming caused by fossil energy, our country is vigorously developing a novel power system using clean energy as a main power generation mode. Wherein, the new energy power generation technology is mature by wind power generation technology and photovoltaic power generation technology. However, wind power generation is too dependent on wind energy in nature and photovoltaic power generation is too dependent on light energy in nature, which results in randomness and instability of new energy power generation. Further, the randomness and instability of new energy power generation can cause system frequency oscillation in the power grid system, and finally, if the system frequency oscillation exceeds a certain limit, the power grid system can be crashed.
Disclosure of Invention
In order to solve the problem that the power grid system is crashed due to system frequency oscillation in the power grid system, the method, the device, the electronic equipment and the storage medium for adjusting the power of the energy storage battery are provided, and the problem of power grid frequency fluctuation caused by randomness and instability of new energy power generation is solved by adjusting the output power of the energy storage battery in real time.
In a first aspect, the present application provides a method for regulating power of an energy storage battery, comprising:
acquiring the power generation output power of a new energy power generation system, the load consumption power of a power grid system and the electric quantity data of the SOC state of an energy storage battery in real time, wherein the new energy power generation system is a power generation system connected to the power grid system, and the number of the energy storage batteries is at least one;
generating an energy storage action signal according to the power generation output power and the load consumption power, wherein the energy storage action signal is used for indicating that an energy storage system formed by an energy storage battery needs to output or absorb power;
and adjusting the power of the energy storage battery in real time according to the energy storage action signal and the electrical quantity data.
Optionally, in an implementation manner of the first aspect, the adjusting the output power of the energy storage battery in real time according to the energy storage action signal and the electrical quantity data includes:
decomposing the energy storage action signal by using an ensemble empirical mode decomposition algorithm to obtain a battery real-time adjusting signal, wherein the battery real-time adjusting signal is used for indicating and adjusting the power of the energy storage battery;
determining whether the energy storage battery meets the requirement of outputting corresponding power according to the real-time battery regulation signal according to the collected electrical quantity data;
and if so, adjusting the power of the energy storage battery in real time according to the real-time battery adjusting signal.
Optionally, in an implementation manner of the first aspect, determining whether the energy storage battery meets the requirement for outputting the corresponding power according to the real-time battery regulation signal according to the collected electrical quantity data includes:
determining the SOC (state of charge) of the energy storage battery according to the collected electrical quantity data, wherein the SOC is at least one preset electric quantity state;
and judging whether the energy storage battery meets the requirement of outputting corresponding power according to the real-time battery regulation signal according to the determined SOC state.
Optionally, in an implementation manner of the first aspect, the SOC state is three states, which are a high electric quantity state, a medium electric quantity state, and a low electric quantity state, where the high electric quantity state represents that the energy storage battery can only output power and cannot absorb power; the medium electric quantity state represents that the energy storage battery can not only output power, but also absorb power; the low-battery state represents that the energy storage battery can only absorb power and can not output power.
Optionally, in an implementation manner of the first aspect, the energy storage action signal includes an energy storage output signal and an energy storage absorption signal;
the method for generating the energy storage action signal according to the power generation output power and the load consumption power comprises the following steps:
if the load consumed power is greater than the power generation output power, generating an energy storage output signal which indicates that an energy storage system formed by the energy storage battery needs to output power;
and if the load consumed power is less than the power generation output power, generating an energy storage absorption signal, wherein the energy storage output signal indicates that an energy storage system formed by the energy storage battery needs to absorb power.
Optionally, in an implementation manner of the first aspect, the energy storage battery includes at least one of the following batteries: super capacitor, lithium battery or lead carbon battery.
Optionally, in an implementation manner of the first aspect, the new energy power generation system includes: a wind power generation system and/or a photovoltaic power generation system.
In a second aspect, the present application provides an apparatus for regulating power of an energy storage battery, comprising:
the device comprises a data acquisition module, a signal generation module and a power regulation module;
the data acquisition module is used for: acquiring the power generation output power of a new energy power generation system, the load consumption power of a power grid system and the electric quantity data of the SOC state of an energy storage battery in real time, wherein the new energy power generation system is a power generation system connected to the power grid system, and the number of the energy storage batteries is at least one;
the signal generation module is used for: generating an energy storage action signal according to the power generation output power and the load consumption power, wherein the energy storage action signal is used for indicating that an energy storage system formed by an energy storage battery needs to output or absorb power;
the power regulation module is used for: and adjusting the power of the energy storage battery in real time according to the energy storage action signal and the electrical quantity data.
In a third aspect, the present application provides an electronic device, comprising: a memory and a processor, wherein the memory has executable code stored thereon;
the executable code, when executed by the processor, causes the electronic device to perform the method of regulating energy storage battery power as described in any of the first aspect and its implementations.
In a fourth aspect, the present application provides a computer-readable storage medium having executable code stored thereon; the executable code, when executed by a processor of the electronic device, causes the electronic device to perform the method of regulating energy storage battery power as described in any of the first aspect and its implementations.
The technical scheme provided by the application has the following beneficial effects:
according to the technical scheme, the energy storage action signal is generated by collecting the power generation output power of the new energy power generation system and the load consumption power of the power grid system in real time, and then the energy storage action signal and the electric quantity data of the SOC state of the energy storage battery are combined to adjust the output power of the energy storage battery in real time.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application, as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.
Fig. 1 is a system topology diagram of grid connection between a photovoltaic power generation system and a grid system in the embodiment of the present application;
FIG. 2 is a schematic flow chart of a method for regulating power of an energy storage battery according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of an apparatus for regulating power of an energy storage battery according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an electronic device in an embodiment of the present application.
Detailed Description
Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While embodiments of the present application are illustrated in the accompanying drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The embodiment of the application provides a method, a device, electronic equipment and a storage medium for adjusting the power of an energy storage battery.
In order to facilitate understanding of the technical solutions of the embodiments of the present application, the following description is made of application scenarios applicable to the technical solutions of the present application, with reference to the accompanying drawings, specifically as follows:
fig. 1 is a system topology diagram of grid connection of a photovoltaic power generation system and a power grid system in the embodiment of the present application.
As shown in fig. 1, a system for grid connection of a photovoltaic power generation system and a power grid system in an application scenario in the embodiment of the present application includes: the photovoltaic power generation system is connected into the power grid system through an inverter in the photovoltaic power generation system and a transformer in the power grid system, and the energy storage system is connected with the photovoltaic power generation system through a rectifier.
Further, the electric loads in fig. 1 represent electric power consumed by electric devices in the grid system, and are simply referred to as load consumed power; the photovoltaic panel is used as an important component of a photovoltaic power generation system and is used for absorbing solar energy and converting the solar energy into electric energy so as to obtain corresponding power generation output power; the energy storage battery is used as an important component of the energy storage system and is used for converting and absorbing the electric energy generated by the photovoltaic power generation system or outputting the electric energy stored by the energy storage battery to the photovoltaic power generation system.
In order to facilitate understanding of the method for adjusting the power of the energy storage battery in the embodiment of the present application, the following technical solutions will be described with reference to the accompanying drawings, specifically as follows:
fig. 2 is a schematic flowchart of a method for adjusting power of an energy storage battery according to an embodiment of the present application.
As shown in fig. 2, a method for adjusting power of an energy storage battery in an embodiment of the present application includes:
201. and acquiring the power generation output power of the new energy power generation system, the load consumption power of the power grid system and the electric quantity data of the SOC state of the energy storage battery in real time.
In the embodiment of the present application, the collecting of the electric quantity data of the power generation output power, the load consumption power and the State of Charge (SOC) of each energy storage battery in real time refers to collecting the electric quantity data of the power generation output power, the load consumption power and the State of Charge (SOC) of each energy storage battery within a certain time.
The new energy power generation system is a power generation system connected to a power grid system, and the number of the energy storage batteries is at least one.
Optionally, in some embodiments of the present application, the new energy power generation system includes a wind power generation system and/or a photovoltaic power generation system; in other words, the new energy power generation system can be a wind power generation system or a photovoltaic power generation system, or can be formed by the wind power generation system and the photovoltaic power generation system together.
202. And generating an energy storage action signal according to the power generation output power and the load consumption power.
In the embodiment of the present application, the energy storage action signal is used to indicate that the energy storage system formed by the energy storage battery needs to output or absorb power.
Further optionally, in some implementations of embodiments of the present application, the energy storage action signal includes an energy storage output signal and an energy storage absorption signal; the energy storage output signal indicates that an energy storage system formed by the energy storage battery needs to output power; the energy storage absorption signal indicates that an energy storage system formed by the energy storage battery needs to absorb power. It should be understood that the energy storage system is a process of discharging the power output from the grid system, i.e. a battery, and the energy storage system absorbs the power generated from the new energy power generation system, i.e. a process of charging the battery.
Specifically, under the condition that the energy storage action signal includes energy storage output signal and energy storage absorption signal, generate the energy storage action signal according to power generation output power and load power consumption, specifically include: if the load consumption power of the power grid system is greater than the power generation output power of the new energy power generation system, generating an energy storage output signal; and if the load power consumption is less than the power generation output power, generating an energy storage absorption signal.
Generally, energy storage batteries are classified into super capacitors, lithium batteries, and lead carbon batteries. The super capacitor has the advantages of high charging and discharging speed, long cycle life, high safety and the like, and is suitable for adjusting the high-frequency fluctuation of the power grid frequency; the lithium battery has the advantages of high response speed, strong power processing capability in short time, easy change of adjustment direction and the like, and is suitable for adjusting the medium-frequency fluctuation of the power grid frequency; the lead-carbon battery organizes the phenomenon of negative electrode sulfation due to the addition of carbon, improves a factor of battery failure in the past, prolongs the service life of the battery, and is suitable for adjusting the low-frequency fluctuation of the power grid frequency.
Optionally, in some embodiment modes of the embodiments of the present application, the energy storage battery in the present application may be at least one of a super capacitor, a lithium battery, or a lead carbon battery. As to the specific application, which battery is specifically selected by the energy storage battery, or which combination of batteries is selected, may be determined by combining with a specific application scenario, and the application is not limited in any way.
203. And adjusting the power of the energy storage battery in real time according to the energy storage action signal and the electric quantity data.
In the embodiment of the application, the electric quantity data of the SOC state of the energy storage battery can reflect the SOC state of the energy storage battery in real time, so that the power of the energy storage battery can be adjusted in real time by combining the electric quantity data and the energy storage action signal.
After the energy storage action signal is obtained, signal decomposition can be performed on the energy storage action signal to extract specific signal components in the original signal so as to obtain fluctuation signals of different frequency bands, and therefore matching is performed according to the power grid frequency to obtain a better signal for real-time adjustment of the energy storage battery, for example, a battery real-time adjustment signal.
Optionally, in some implementations of the embodiments of the present application, a signal Decomposition may be performed on the energy storage motion signal by using an Ensemble Empirical Mode Decomposition (EEMD) algorithm, and specifically, the adjusting the output power of the energy storage battery in real time according to the energy storage motion signal and the electrical quantity data includes:
decomposing the energy storage action signal by using an ensemble empirical mode decomposition algorithm to obtain a battery real-time adjusting signal, wherein the battery real-time adjusting signal is used for indicating and adjusting the power of the energy storage battery;
determining whether the energy storage battery meets the requirement of outputting corresponding power according to the real-time battery regulation signal according to the collected electrical quantity data;
and if so, adjusting the power of the energy storage battery in real time according to the real-time battery adjusting signal.
Further optionally, in some implementations of the embodiments of the present application, determining whether the energy storage battery meets a requirement for outputting a corresponding power according to a battery real-time adjustment signal according to the collected electrical quantity data includes:
determining the SOC (state of charge) of the energy storage battery according to the collected electrical quantity data, wherein the SOC is at least one preset electric quantity state;
and judging whether the energy storage battery meets the requirement of outputting corresponding power according to the real-time battery regulation signal according to the determined SOC state.
The SOC state may be one or more states of charge, and the plurality of states may be two or more. Optionally, in some embodiments of the present application, the SOC state is three states, which are a high-power state, a medium-power state, and a low-power state, where the high-power state indicates that the energy storage battery can only output power and cannot absorb power; the medium electric quantity state represents that the energy storage battery can not only output power, but also absorb power; the low-battery state represents that the energy storage battery can only absorb power and can not output power.
In the embodiment of the application, the energy storage action signal is generated by collecting the power generation output power of the new energy power generation system and the load consumption power of the power grid system in real time, and then the energy storage action signal and the electric quantity data of the SOC state of the energy storage battery are combined to regulate the output power of the energy storage battery in real time.
To facilitate understanding of the embodiment shown in fig. 2, the following description is made for illustration in several respects, specifically as follows:
in a first aspect, the generation of the energy storage operation signal from the power generation output power and the load consumption power is described as follows:
specifically, the generation of the energy storage operation signal according to the power generation output power and the load consumption power is specifically:
load power consumption photovoltaic output power is subtracted, the positive and negative of the load power photovoltaic output power are judged, and if the load power consumption photovoltaic output power is positive, an energy storage output signal is constructed; if the signal is negative, constructing an energy storage absorption signal, wherein a specific formula is shown as a formula (1);
P L (n) represents the nth load power consumption signal P GF (n) denotes the nth photovoltaic output power, P B (n) represents the nth storage operation signal, P B1 Representing the nth stored energy output power signal, P B2 C fd And (n-1) represents the nth energy storage absorption power.
In a second aspect, the SOC state of the energy storage battery is described as follows:
for example, SOC states are defined as 1, SOC high 、SOC low 0, when the SOC of the lithium battery and the lead-carbon battery is in (0 low ) In time, the lithium battery and the lead carbon battery only absorb power and do not output power; when the lithium battery and the lead carbon battery are in SOC (SOC) high And 1) in the process, the lithium battery and the lead-carbon battery only output power and do not absorb powerThe ratio; when the lithium battery and the lead-carbon battery are in SOC (SOC) low ,SOC high ) In time, the lithium battery and the lead-carbon battery can absorb power and output power, wherein 1 represents that the SOC of the energy storage battery is at full battery capacity, and the SOC is high Representing the energy storage battery SOC at a higher battery capacity, SOC low Representing the energy storage battery SOC at a lower battery capacity, 0 representing the energy storage SOC at zero battery capacity.
In a third aspect, the energy storage action signal is decomposed by using an ensemble empirical mode decomposition algorithm to obtain a battery real-time adjustment signal, which is described as follows:
performing ensemble empirical mode decomposition on the obtained energy storage action signal to obtain a battery real-time adjusting signal (such as a super capacitor adjusting signal, a lithium battery adjusting signal and a lead-carbon battery adjusting signal), wherein the concrete steps of the Ensemble Empirical Mode Decomposition (EEMD) are shown as 1-5);
1) Setting the total average times C, wherein C is an integer greater than or equal to 2;
2) Adding white noise with standard normal distribution to the original signal to generate a new signal:
y i (t)＝y(t)+x i (t)(2)
x i (t) denotes the ith additive white noise sequence, y (t) denotes the original signal, y i (t) represents the additive noise signal of the ith trial;
3) And EMD decomposition is carried out on the signals obtained by the formula (2) respectively to obtain respective IMF sum forms:
A i,j (t) is represented as the kth IMF, Z obtained by decomposition after white noise is added for the ith time i,k (t) is the residual function, K is the number;
4) Repeating the step 2) and the step 3) for C times, and adding white noise signals with different amplitudes into each decomposition to obtain a set A 1,k ,A 2,k ,A 3,k L A C,k ：
5) Performing set average operation on the IMF corresponding to the step 4) by using the principle that the statistical average value of the uncorrelated sequences is zero to obtain the final IMF after EEMD decomposition:
in the formula, A k (t) the kth IMF representing the EEMD decomposition; IMF is the Intrinsic Mode Function. And obtaining a battery real-time adjusting signal (such as a super capacitor adjusting signal, a lithium battery adjusting signal and a lead carbon battery adjusting signal) according to the decomposed final IMF.
It should be noted that, for the introduction of IMF, reference may be made to related information about the EEMD algorithm, and details thereof are not described in this application.
Corresponding to the embodiment of the application function implementation method, the application also provides a device for adjusting the power of the energy storage battery, electronic equipment and a corresponding embodiment.
Fig. 3 is a schematic structural diagram of an apparatus for regulating power of an energy storage battery according to an embodiment of the present application.
As shown in fig. 3, the device 30 for regulating the power of the energy storage battery in the embodiment of the present application includes:
a data acquisition module 301, a signal generation module 302 and a power regulation module 303;
the data acquisition module 301 is configured to: acquiring the power generation output power of a new energy power generation system, the load consumption power of a power grid system and the electric quantity data of the SOC state of an energy storage battery in real time, wherein the new energy power generation system is a power generation system connected to the power grid system, and the number of the energy storage batteries is at least one;
the signal generation module 302 is configured to: generating an energy storage action signal according to the power generation output power and the load consumption power, wherein the energy storage action signal is used for indicating that an energy storage system formed by an energy storage battery needs to output or absorb power;
the power conditioning module 303 is configured to: and adjusting the power of the energy storage battery in real time according to the energy storage action signal and the electrical quantity data.
Optionally, in some implementations of the embodiment of the present application, the power adjusting module 303 is specifically configured to perform the following operations to adjust the power of the energy storage battery in real time: firstly, the power adjusting module 303 decomposes the energy storage action signal by using a set empirical mode decomposition algorithm to obtain a battery real-time adjusting signal, wherein the battery real-time adjusting signal is used for indicating and adjusting the power of the energy storage battery; secondly, the power adjusting module 303 determines whether the energy storage battery meets the requirement of outputting corresponding power according to the real-time battery adjusting signal according to the collected electrical quantity data; finally, if the battery real-time adjustment signal is satisfied, the power adjusting module 303 adjusts the power of the energy storage battery in real time according to the battery real-time adjustment signal.
Optionally, in some implementations of the embodiment of the present application, the power adjusting module 303 is specifically configured to perform the following operations to determine whether the energy storage battery meets the requirement of outputting the corresponding power according to the real-time battery adjustment signal: the power regulating module 303 determines the state of charge (SOC) of the energy storage battery according to the collected electrical quantity data, wherein the state of charge (SOC) is at least one preset state of electric quantity; further, the power adjusting module 303 determines whether the energy storage battery meets the requirement of outputting the corresponding power according to the real-time battery adjusting signal according to the determined SOC state.
Optionally, in some implementations of the embodiment of the present application, the SOC state determined by the power adjusting module 303 is three states, which are a high power state, a medium power state, and a low power state, where the high power state indicates that the energy storage battery can only output power and cannot absorb power; the medium electric quantity state represents that the energy storage battery can not only output power, but also absorb power; the low-battery state represents that the energy storage battery can only absorb power and can not output power.
Optionally, in some implementations of the embodiments of the present application, the energy storage action signal generated by the signal generating module 302 includes an energy storage output signal and an energy storage absorption signal; the signal generation module 302 specifically performs the following operations to generate the energy storage output signal and the energy storage absorption signal:
if the load consumption power is greater than the power generation output power, the signal generation module 302 generates an energy storage output signal indicating that an energy storage system formed by the energy storage battery needs to output power;
if the load power consumption is less than the power generation output power, the signal generation module 302 generates an energy storage absorption signal indicating that an energy storage system formed by the energy storage battery needs to absorb power.
Optionally, in some implementations of embodiments of the present application, the energy storage battery includes at least one of the following batteries: super capacitor, lithium battery or lead carbon battery.
Optionally, in some implementations of embodiments of the present application, the new energy power generation system includes: a wind power generation system and/or a photovoltaic power generation system.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs operations and the advantages thereof have been described in detail in the embodiment related to the method, and will not be elaborated upon herein.
Fig. 4 is a schematic structural diagram of an electronic device in an embodiment of the present application.
As shown in fig. 4, the electronic device 40 in the embodiment of the present application includes a memory 401 and a processor 402. The memory has stored thereon executable code which, when executed by the processor, causes the processor to perform the method of any of the embodiments described above.
The Processor 402 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 401 may include various types of storage units, such as a system memory, a Read Only Memory (ROM), and a permanent storage device. Wherein the ROM may store static data or instructions for the processor 402 or other modules of the computer. The persistent storage device may be a read-write storage device. The persistent storage may be a non-volatile storage device that does not lose stored instructions and data even after the computer is powered off. In some embodiments, the persistent storage device employs a mass storage device (e.g., magnetic or optical disk, flash memory) as the persistent storage device. In other embodiments, the permanent storage may be a removable storage device (e.g., floppy disk, optical drive). The system memory may be a read-write memory device or a volatile read-write memory device, such as a dynamic random access memory. The system memory may store instructions and data that some or all of the processors require at runtime. Further, the memory 401 may comprise any combination of computer-readable storage media, including various types of semiconductor memory chips (DRAM, SRAM, SDRAM, flash memory, programmable read-only memory), magnetic and/or optical disks, may also be employed. In some embodiments, memory 401 may include a removable storage device that is readable and/or writable, such as a Compact Disc (CD), a read-only digital versatile disc (e.g., DVD-ROM, dual layer DVD-ROM), a read-only Blu-ray disc, an ultra-density optical disc, a flash memory card (e.g., SD card, min SD card, micro-SD card, etc.), a magnetic floppy disk, or the like. Computer-readable storage media do not contain carrier waves or transitory electronic signals transmitted by wireless or wired means.
The memory 401 has stored thereon executable code which, when processed by the processor 402, may cause the processor 402 to perform some or all of the methods described above.
Furthermore, the method according to the present application may also be implemented as a computer program or computer program product comprising computer program code instructions for performing some or all of the steps of the above-described method of the present application.
Alternatively, the present application may also be embodied as a computer-readable storage medium (or machine-readable storage medium) having stored thereon executable code (or a computer program, or computer instruction code) which, when executed by a processor of an electronic device (or electronic device, server, etc.), causes the processor to perform some or all of the steps of the above-described method according to the present application.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
Finally, it should also be noted that, herein, relationships such as first and second, etc., are intended only to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms include, or any other variation is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the present application, which are essential or part of the technical solutions contributing to the prior art, or all or part of the technical solutions, may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the embodiments of the present application.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A method of regulating power in an energy storage battery, comprising:
acquiring power generation output power of a new energy power generation system, load consumption power of a power grid system and electric quantity data of a charge state of charge (SOC) of an energy storage battery in real time, wherein the new energy power generation system is a power generation system connected to the power grid system, and the number of the energy storage batteries is at least one;
generating an energy storage action signal according to the power generation output power and the load consumption power, wherein the energy storage action signal is used for indicating that an energy storage system formed by the energy storage battery needs to output or absorb power;
and adjusting the power of the energy storage battery in real time according to the energy storage action signal and the electrical quantity data.
2. The method of claim 1, wherein the adjusting the power of the energy storage battery in real time according to the energy storage action signal and the electrical quantity data comprises:
decomposing the energy storage action signal by using a set empirical mode decomposition method to obtain a battery real-time adjusting signal, wherein the battery real-time adjusting signal is used for indicating and adjusting the power of the energy storage battery;
determining whether the energy storage battery meets the requirement of outputting corresponding power according to the real-time battery regulation signal according to the collected electrical quantity data;
and if so, adjusting the power of the energy storage battery in real time according to the battery real-time adjusting signal.
3. The method of claim 2, wherein determining whether the energy storage battery meets the requirement for outputting the corresponding power according to the real-time battery regulation signal according to the collected electrical quantity data comprises:
determining the SOC (state of charge) of the energy storage battery according to the collected electrical quantity data, wherein the SOC is at least one preset electric quantity state;
and judging whether the energy storage battery meets the requirement of outputting corresponding power according to the real-time battery regulation signal according to the determined SOC state.
4. The method of claim 3, wherein the SOC states are four states, namely a high state of charge, a medium state of charge, and a low state of charge, wherein the high state of charge indicates that the energy storage battery can only output power and cannot absorb power; the medium electric quantity state represents that the energy storage battery can output power and can absorb power; the low-battery state represents that the energy storage battery can only absorb power and cannot output power.
5. The method of claim 1, wherein the tank action signal comprises a tank output signal and a tank absorption signal;
the generating of the energy storage action signal according to the power generation output power and the load consumption power comprises:
if the load consumed power is larger than the power generation output power, generating an energy storage output signal which indicates that an energy storage system formed by the energy storage battery needs to output power;
and if the load consumed power is less than the power generation output power, generating the energy storage absorption signal, wherein the energy storage output signal indicates that an energy storage system formed by the energy storage battery needs to absorb power.
6. The method of any of claims 1-5, wherein the energy storage battery comprises at least one of the following: super capacitor, lithium battery or lead carbon battery.
7. The method of claim 6, wherein the new energy power generation system comprises: a wind power generation system and/or a photovoltaic power generation system.
8. An apparatus for regulating power of an energy storage battery, comprising:
the device comprises a data acquisition module, a signal generation module and a power regulation module;
the data acquisition module is used for: acquiring the power generation output power of a new energy power generation system, the load consumption power of a power grid system and the electrical quantity data of the SOC state of an energy storage battery in real time, wherein the new energy power generation system is a power generation system connected to the power grid system, and the number of the energy storage battery is at least one;
the signal generation module is configured to: generating an energy storage action signal according to the power generation output power and the load consumed power, wherein the energy storage action signal is used for indicating that an energy storage system formed by the energy storage battery needs to output or absorb power;
the power adjustment module is to: and adjusting the power of the energy storage battery in real time according to the energy storage action signal and the electrical quantity data.
9. An electronic device, comprising:
a memory and a processor, wherein the memory has executable code stored thereon;
the executable code, when executed by the processor, causes the electronic device to perform the method of regulating energy storage battery power of any of claims 1-7.
10. A computer readable storage medium having executable code stored thereon; the executable code, when executed by a processor of an electronic device, causes the electronic device to perform the method of regulating energy storage battery power of any of claims 1-7.
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