CN113141038A - Energy storage control method and device and energy storage control system - Google Patents
Energy storage control method and device and energy storage control system Download PDFInfo
- Publication number
- CN113141038A CN113141038A CN202110440109.7A CN202110440109A CN113141038A CN 113141038 A CN113141038 A CN 113141038A CN 202110440109 A CN202110440109 A CN 202110440109A CN 113141038 A CN113141038 A CN 113141038A
- Authority
- CN
- China
- Prior art keywords
- energy storage
- battery
- storage battery
- capacity
- residual capacity
- 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
- 238000004146 energy storage Methods 0.000 title claims abstract description 273
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000015654 memory Effects 0.000 claims description 25
- 238000007599 discharging Methods 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 description 6
- 238000007726 management method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Images
Classifications
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The energy storage control method comprises the steps of firstly obtaining the charge state of the energy storage system, and then controlling the energy storage battery to charge or discharge according to the charge state of the energy storage system, the first residual capacity of the battery, the second residual capacity of the battery, the third residual capacity of the battery and the fourth residual capacity of the battery, so that the charge and discharge of the energy storage battery in the energy storage system can be reasonably controlled, and the service life of the energy storage battery is ensured.
Description
Technical Field
The present disclosure relates to the field of energy storage technologies, and in particular, to an energy storage control method, a control device of an energy storage system, an energy storage control system, and a computer-readable storage medium.
Background
With the increasingly prominent problem of shortage of fossil energy, new energy power generation technology is increasingly gaining attention, wherein battery energy storage technology is rapidly developed as a renewable direct current power supply technology. The battery energy storage system is one of important components for relieving the pressure of a power grid, the energy storage system can carry out peak clipping and valley filling on the power grid, the energy storage system can be frequently charged and discharged when the peak clipping and valley filling are carried out, the frequent charging and discharging or the too high charging and discharging power can accelerate the loss of the energy storage battery, and the service life of the energy storage battery is shortened.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides an energy storage control method, a control device of an energy storage system, the energy storage control system and a computer readable storage medium, which can reasonably control the charging and discharging of an energy storage battery of the energy storage system and ensure the service life of the energy storage battery.
The application provides an energy storage control method for controlling an energy storage battery of an energy storage system, which includes:
acquiring the charge state of an energy storage battery;
controlling the energy storage battery to charge or discharge according to the state of charge of the energy storage battery, the first residual capacity of the battery, the second residual capacity of the battery, the third residual capacity of the battery and the fourth residual capacity of the battery;
the first residual capacity of the battery is the maximum residual capacity of the energy storage battery preset in the PQ control mode; the second residual capacity of the battery is the minimum residual capacity of the energy storage battery preset in the PQ control mode of the energy storage battery; the third residual capacity of the battery is the maximum residual capacity allowed by the energy storage battery; and the fourth residual capacity of the battery is the minimum residual capacity allowed by the energy storage battery.
According to the energy storage control method in the embodiment of the first aspect of the application, at least the following beneficial effects are achieved: according to the energy storage control method, the charge state of the energy storage system is firstly obtained, then the energy storage battery is controlled according to the charge state of the energy storage system, the first residual capacity of the battery, the second residual capacity of the battery, the third residual capacity of the battery and the fourth residual capacity of the battery, charge and discharge of the energy storage battery in the energy storage system can be reasonably controlled, and the service life of the energy storage battery is guaranteed.
According to some embodiments of the first aspect of the present application, the controlling the energy storage battery according to the state of charge of the energy storage battery and the first remaining capacity, the second remaining capacity, the third remaining capacity, and the fourth remaining capacity of the battery comprises:
and if the state of charge of the energy storage battery is smaller than the first residual capacity of the battery, controlling the energy storage battery to be charged with first power.
According to some embodiments of the first aspect of the present application, the controlling the energy storage battery according to the state of charge of the energy storage battery and the first remaining capacity, the second remaining capacity, the third remaining capacity, and the fourth remaining capacity of the battery comprises:
and if the state of charge of the energy storage battery is greater than or equal to the first residual capacity of the battery and smaller than the third residual capacity of the battery, controlling the energy storage battery to stop charging or discharging.
According to some embodiments of the first aspect of the present application, the controlling the energy storage battery according to the state of charge of the energy storage battery and the first remaining capacity, the second remaining capacity, the third remaining capacity, and the fourth remaining capacity of the battery comprises:
and if the state of charge of the energy storage battery is larger than the third residual capacity of the battery, controlling the energy storage battery to discharge until the state of charge of the energy storage battery is equal to the third residual capacity of the battery.
According to some embodiments of the first aspect of the present application, the controlling the energy storage battery according to the state of charge of the energy storage battery and the first remaining capacity, the second remaining capacity, the third remaining capacity, and the fourth remaining capacity of the battery comprises:
and if the state of charge of the energy storage battery is larger than the second residual capacity of the battery, controlling the energy storage battery to discharge at a second power.
According to some embodiments of the first aspect of the present application, the controlling the energy storage battery according to the state of charge of the energy storage battery and the first remaining capacity, the second remaining capacity, the third remaining capacity, and the fourth remaining capacity of the battery comprises:
and if the state of charge of the energy storage battery is smaller than or equal to the second residual capacity of the battery and larger than the fourth residual capacity of the battery, controlling the energy storage battery to stop charging or discharging.
According to some embodiments of the first aspect of the present application, the controlling the energy storage battery according to the state of charge of the energy storage battery and the first remaining capacity, the second remaining capacity, the third remaining capacity, and the fourth remaining capacity of the battery comprises:
and if the state of charge of the energy storage battery is smaller than the fourth residual capacity of the battery, controlling the energy storage battery to be charged until the state of charge of the energy storage battery is equal to the fourth residual capacity of the battery.
An embodiment of a second aspect of the present application provides a control device for an energy storage system, including:
the acquisition module is used for acquiring the charge state of the energy storage battery;
the main control module is used for controlling the energy storage battery to charge or discharge according to the state of charge of the energy storage battery, the first residual capacity of the battery, the second residual capacity of the battery, the third residual capacity of the battery and the fourth residual capacity of the battery;
the first residual capacity of the battery is the maximum residual capacity of the energy storage battery preset in the PQ control mode; the second residual capacity of the battery is the minimum residual capacity of the energy storage battery preset in the PQ control mode of the energy storage battery; the third residual capacity of the battery is the maximum residual capacity allowed by the energy storage battery; and the fourth residual capacity of the battery is the minimum residual capacity allowed by the energy storage battery.
An embodiment of a third aspect of the present application provides an energy storage control system, including:
at least one memory;
at least one processor;
at least one program;
the programs are stored in the memory, and the processor executes at least one of the programs to implement the energy storage control method according to any embodiment of the first aspect of the present application.
In a fourth aspect of the present application, there is provided a computer-readable storage medium storing computer-executable signals for performing the energy storage control method according to any embodiment of the first aspect of the present application.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
Additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an energy storage system according to an embodiment of the present application;
fig. 2 is a flowchart of an energy storage control method according to an embodiment of the present application;
fig. 3 is a flowchart of an energy storage control method according to an embodiment of the present application;
fig. 4 is a flowchart of an energy storage control method according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
Referring to fig. 1, fig. 1 is a diagram of an energy storage system for performing an energy storage control method according to an embodiment of the present application. The energy storage system comprises an energy storage battery, a battery management system, a control unit, an energy storage converter and a power grid. The energy storage battery is respectively connected with the battery management system and the energy storage converter, the control unit is respectively connected with the battery management system and the energy storage converter, and the power grid is connected with the energy storage converter. The energy storage battery is used for storing or releasing electric energy; the battery management system is used for monitoring the operation data of the energy storage battery and sending the operation data of the energy storage battery to the control unit, for example, monitoring the charge state of the energy storage battery and sending the charge state of the energy storage battery to the control unit; the energy storage converter is used for realizing the conversion of direct current and alternating current, storing the electric energy in the power grid to the energy storage battery, or releasing the electric energy stored by the energy storage battery to the power grid, and can control the energy storage battery to discharge or charge and control the discharge power or the charge power of the energy storage battery. The control unit is used for receiving the operation data sent by the battery management system and controlling the operation of the energy storage converter. It should be noted that, when the energy storage converter is connected to the power grid, the energy storage converter is in the PQ control mode, and the PQ control mode can reasonably control the active power and the reactive power of the energy storage system, so that the energy storage system is processed into a constant power output, and when the energy storage system is connected to the power grid, when the frequency and the voltage of the power grid change within the allowable range, the active power and the reactive power output by the energy storage battery remain unchanged, so that the energy storage battery is controlled to be connected to the power grid, and the power grid is ensured to keep a safe and reliable state when receiving the electric energy transmitted by the energy storage battery. The PQ control mode is a common control mode in the art and is not described in detail herein.
It will be appreciated that the control unit comprises a memory (not shown) and a processor (not shown), which may be connected by a bus or other means.
The memory, which is a non-transitory readable storage medium, may be used to store non-transitory software instructions as well as non-transitory executable instructions. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory optionally includes memory located remotely from the processor, and these remote memories may be connected to the energy storage system via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
It will be appreciated that the energy storage system shown in fig. 1 is not intended to limit embodiments of the present application, and that the energy storage system may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.
In the energy storage system shown in fig. 1, a processor may call instructions stored in a memory to perform the energy storage control method.
Based on the energy storage system, various embodiments of the energy storage control method of the present application are presented below.
Referring to fig. 2, an embodiment of the first aspect of the present application provides an energy storage control method, including, but not limited to, step S110 and step S120.
Step S110, acquiring the charge state of the energy storage battery;
step S120, controlling the energy storage battery to charge or discharge according to the state of charge of the energy storage battery, the first residual capacity of the battery, the second residual capacity of the battery, the third residual capacity of the battery and the fourth residual capacity of the battery;
the first residual capacity of the battery is the maximum residual capacity of the battery preset by the energy storage battery in the PQ control mode; the second residual capacity of the battery is the minimum residual capacity of the battery preset by the energy storage battery in the PQ control mode; the third residual capacity of the battery is the maximum residual capacity allowed by the battery; the fourth remaining capacity of the battery is the minimum remaining capacity allowed by the battery.
According to the energy storage control method, the energy storage system is controlled according to the state of charge of the energy storage battery, the first remaining capacity of the battery, the second remaining capacity of the battery, the third remaining capacity of the battery and the fourth remaining capacity of the battery, the energy storage battery is controlled to be charged or discharged, the charging power and the discharging power of the energy storage battery are controlled, the state of charge of the energy storage battery is always in a reasonable range, and the situation that the state of charge of the energy storage battery is too low to discharge when the service of a power grid needs the energy storage battery to discharge is avoided; the over-high charge state of the energy storage battery is avoided, and the explosion risk is avoided. The charging and discharging of the energy storage battery in the energy storage system can be reasonably controlled, and the service life of the energy storage battery is ensured.
It is understood that, referring to fig. 3, step S120 may include, but is not limited to, the following steps:
step S210, comparing the relationship between the state of charge of the energy storage battery and the first remaining capacity of the battery.
Step S211, judging whether the state of charge of the energy storage battery is smaller than the first residual capacity of the battery, and if the state of charge of the energy storage battery is smaller than the first residual capacity of the battery, executing step S212; if the state of charge of the energy storage battery is greater than or equal to the first remaining capacity of the battery, step S213 is executed.
Step S212, the energy storage battery is controlled to be charged with first power.
And step S213, comparing the relation between the state of charge of the energy storage battery and the third residual capacity of the battery.
Step S214, judging whether the state of charge of the energy storage battery is smaller than the third residual capacity of the battery, and if the state of charge of the energy storage battery is smaller than the third residual capacity of the battery, executing step S215; if the state of charge of the energy storage battery is greater than or equal to the third remaining capacity of the battery, step S216 is executed.
And step S215, controlling the energy storage battery to stop charging or discharging.
In step S216, it is determined whether the state of charge of the energy storage battery is greater than the third remaining capacity of the battery, and if the state of charge of the energy storage battery is greater than the third remaining capacity of the battery, step S217 is executed.
And step S217, controlling the energy storage battery to discharge until the state of charge of the energy storage battery is equal to the third residual capacity of the battery.
It can be understood that, if the state of charge of the energy storage battery is smaller than the first remaining capacity of the battery, the control unit controls the energy storage converter to charge the energy storage battery with the first power, so that the problem that the state of charge of the energy storage battery is too low to discharge when the service of the power grid needs the energy storage battery to discharge is avoided. If the state of charge of the energy storage battery is greater than or equal to the first residual capacity of the battery and less than the third residual capacity of the battery, if the energy storage battery is charging, the control unit controls the energy storage converter to enable the energy storage battery to stop charging; if the energy storage battery is discharging, the control unit controls the energy storage converter to stop discharging the energy storage battery. If the state of charge of the energy storage battery is larger than the third residual capacity of the battery, the control unit controls the energy storage converter to enable the energy storage battery to discharge until the state of charge of the energy storage battery is equal to the third residual capacity of the battery, so that the situation that the state of charge of the energy storage battery is too high to be beneficial to the service life of the energy storage battery is avoided, and explosion risks exist.
It is understood that, referring to fig. 4, step S120 may further include, but is not limited to, the following steps:
and step S220, comparing the relation between the charge state of the energy storage battery and the second residual capacity of the battery.
Step S221, judging whether the state of charge of the energy storage battery is larger than the second residual capacity of the battery, and if the state of charge of the energy storage battery is larger than the second residual capacity of the battery, executing step S222; if the state of charge of the energy storage battery is less than or equal to the first remaining capacity of the battery, step S223 is executed.
And step S222, controlling the energy storage battery to discharge at a second power.
And step S223, comparing the relation between the charge state of the energy storage battery and the fourth residual capacity of the battery.
Step S224, judging whether the state of charge of the energy storage battery is larger than the fourth residual capacity of the battery, and if the state of charge of the energy storage battery is larger than the fourth residual capacity of the battery, executing step S225; if the state of charge of the energy storage battery is less than or equal to the fourth remaining capacity of the battery, step S226 is executed.
And step S225, controlling the energy storage battery to stop charging or discharging.
Step S226, determining whether the state of charge of the energy storage battery is smaller than the fourth remaining capacity of the battery, and if the state of charge of the energy storage battery is smaller than the fourth remaining capacity of the battery, executing step S227.
And step S227, controlling the energy storage battery to be charged until the state of charge of the energy storage battery is equal to the fourth remaining capacity of the battery.
And if the state of charge of the energy storage battery is larger than the second residual capacity of the battery, the control unit controls the energy storage converter to enable the energy storage battery to discharge at a second power. If the state of charge of the energy storage battery is greater than the fourth residual capacity of the battery and less than or equal to the second residual capacity of the battery, if the energy storage battery is charging, the control unit controls the energy storage converter to enable the energy storage battery to stop charging; if the energy storage battery is discharging, the control unit controls the energy storage converter to stop discharging the energy storage battery. And if the state of charge of the energy storage battery is smaller than the fourth residual capacity of the battery, the control unit controls the energy storage converter to charge the energy storage battery until the state of charge of the energy storage battery is equal to the fourth residual capacity of the battery. The energy storage control method can reasonably control the charging and discharging of the energy storage battery of the energy storage system, and the service life of the energy storage battery is guaranteed.
It should be noted that the first remaining capacity of the battery is greater than the second remaining capacity of the battery, the third remaining capacity of the battery is greater than the fourth remaining capacity of the battery, the first remaining capacity of the battery is less than the third remaining capacity of the battery, and the second remaining capacity of the battery is greater than the fourth remaining capacity of the battery. A person skilled in the art may set the first remaining capacity of the battery and the second remaining capacity of the battery according to actual needs, for example, the first remaining capacity of the battery is set to 80% or 90%, the second remaining capacity of the battery is set to 10% or 20%, and a person skilled in the art may set the third remaining capacity of the battery and the fourth remaining capacity of the battery according to actual needs, for example, the third remaining capacity of the battery is set to 100% or 99%, and the fourth remaining capacity of the battery is set to 0% or 1%.
It should be noted that, a person skilled in the art may set the first power and the second power according to practical situations, and the present application does not limit this.
An embodiment of a second aspect of the present application provides a control device for an energy storage system, including:
the acquisition module is used for acquiring the charge state of the energy storage battery;
the main control module is used for controlling the energy storage battery to charge or discharge according to the charge state of the energy storage battery, the first residual capacity of the battery, the second residual capacity of the battery, the third residual capacity of the battery and the fourth residual capacity of the battery;
the first residual capacity of the battery is the maximum residual capacity of the battery preset by the energy storage battery in the PQ control mode; the second residual capacity of the battery is the minimum residual capacity of the battery preset by the energy storage battery in the PQ control mode; the third residual capacity of the battery is the maximum residual capacity allowed by the battery; the fourth remaining capacity of the battery is the minimum remaining capacity allowed by the battery.
It can be understood that, specific acquisition of the acquisition module of the control device of the energy storage system and specific control of the main control module in the embodiment of the present application have been described in detail in the embodiment of the method of the first aspect of the present application, and are not described herein again.
An embodiment of a third aspect of the present application provides an energy storage control system, including:
at least one memory;
at least one processor;
at least one program;
programs are stored in the memory and the processor executes at least one of the programs to implement the energy storage control method as embodied in any of the first aspects of the present application.
The processor and memory may be connected by a bus or other means.
The memory, which is a non-transitory readable storage medium, may be used to store non-transitory software instructions as well as non-transitory executable instructions. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device. It will be appreciated that the memory can alternatively comprise memory located remotely from the processor, and that such remote memory can be coupled to the processor via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The processor executes various functional applications and data processing by executing the non-transitory software instructions, instructions and signals stored in the memory, that is, the slave unit address allocation method of the battery management system according to the embodiment of the first aspect is implemented.
The non-transitory software instructions and instructions required to implement the energy storage control method of the above-mentioned embodiment are stored in the memory, and when executed by the processor, the energy storage control method of the first aspect of the present application is executed, for example, the method steps S110 to S220 in fig. 1, the method steps S210 to S217 in fig. 2, and the method steps S220 to S227 in fig. 4, which are described above, are executed.
In a fourth aspect of the present application, a computer-readable storage medium is provided, where a computer-executable signal is stored in the computer-readable storage medium, and the computer-executable signal is configured to perform the energy storage control method according to any one of the embodiments of the first aspect of the present application. For example, the above-described method steps S110 to S220 in fig. 1, method steps S210 to S217 in fig. 2, and method steps S220 to S227 in fig. 4 are performed.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and the 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.
From the above description of embodiments, those of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable signals, data structures, instruction modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer-readable signals, data structures, instruction modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made without departing from the spirit of the present application within the knowledge of those skilled in the art.
Claims (10)
1. An energy storage control method for controlling an energy storage battery of an energy storage system, comprising:
acquiring the charge state of an energy storage battery;
controlling the energy storage battery to charge or discharge according to the state of charge of the energy storage battery, the first residual capacity of the battery, the second residual capacity of the battery, the third residual capacity of the battery and the fourth residual capacity of the battery;
the first residual capacity of the battery is the maximum residual capacity of the energy storage battery preset in the PQ control mode; the second residual capacity of the battery is the minimum residual capacity of the energy storage battery preset in the PQ control mode of the energy storage battery; the third residual capacity of the battery is the maximum residual capacity allowed by the energy storage battery; and the fourth residual capacity of the battery is the minimum residual capacity allowed by the energy storage battery.
2. The energy storage control method according to claim 1, wherein the controlling the energy storage battery according to the state of charge of the energy storage battery and a first remaining battery capacity, a second remaining battery capacity, a third remaining battery capacity and a fourth remaining battery capacity comprises:
and if the state of charge of the energy storage battery is smaller than the first residual capacity of the battery, controlling the energy storage battery to be charged with first power.
3. The energy storage control method according to claim 1, wherein the controlling the energy storage battery according to the state of charge of the energy storage battery and a first remaining battery capacity, a second remaining battery capacity, a third remaining battery capacity and a fourth remaining battery capacity comprises:
and if the state of charge of the energy storage battery is greater than or equal to the first residual capacity of the battery and smaller than the third residual capacity of the battery, controlling the energy storage battery to stop charging or discharging.
4. The energy storage control method according to claim 1, wherein the controlling the energy storage battery according to the state of charge of the energy storage battery and a first remaining battery capacity, a second remaining battery capacity, a third remaining battery capacity and a fourth remaining battery capacity comprises:
and if the state of charge of the energy storage battery is larger than the third residual capacity of the battery, controlling the energy storage battery to discharge until the state of charge of the energy storage battery is equal to the third residual capacity of the battery.
5. The energy storage control method according to claim 1, wherein the controlling the energy storage battery according to the state of charge of the energy storage battery and a first remaining battery capacity, a second remaining battery capacity, a third remaining battery capacity and a fourth remaining battery capacity comprises:
and if the state of charge of the energy storage battery is larger than the second residual capacity of the battery, controlling the energy storage battery to discharge at a second power.
6. The energy storage control method according to claim 1, wherein the controlling the energy storage battery according to the state of charge of the energy storage battery and a first remaining battery capacity, a second remaining battery capacity, a third remaining battery capacity and a fourth remaining battery capacity comprises:
and if the state of charge of the energy storage battery is smaller than or equal to the second residual capacity of the battery and larger than the fourth residual capacity of the battery, controlling the energy storage battery to stop charging or discharging.
7. The energy storage control method according to claim 1, wherein the controlling the energy storage battery according to the state of charge of the energy storage battery and a first remaining battery capacity, a second remaining battery capacity, a third remaining battery capacity and a fourth remaining battery capacity comprises:
and if the state of charge of the energy storage battery is smaller than the fourth residual capacity of the battery, controlling the energy storage battery to be charged until the state of charge of the energy storage battery is equal to the fourth residual capacity of the battery.
8. A control device of an energy storage system, characterized by comprising:
the acquisition module is used for acquiring the charge state of the energy storage battery;
the main control module is used for controlling the energy storage battery to charge or discharge according to the state of charge of the energy storage battery, the first residual capacity of the battery, the second residual capacity of the battery, the third residual capacity of the battery and the fourth residual capacity of the battery;
the first residual capacity of the battery is the maximum residual capacity of the energy storage battery preset by the energy storage system in a PQ control mode; the second residual capacity of the battery is the minimum residual capacity of the energy storage battery preset by the energy storage system in the PQ control mode; the third residual capacity of the battery is the maximum residual capacity allowed by the energy storage battery; and the fourth residual capacity of the battery is the minimum residual capacity allowed by the energy storage battery.
9. An energy storage control system, comprising:
at least one memory;
at least one processor;
at least one program;
the programs are stored in the memory, and the processor executes at least one of the programs to implement the energy storage control method according to any one of claims 1 to 7.
10. A computer-readable storage medium storing computer-executable signals for performing the energy storage control method according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110440109.7A CN113141038A (en) | 2021-04-23 | 2021-04-23 | Energy storage control method and device and energy storage control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110440109.7A CN113141038A (en) | 2021-04-23 | 2021-04-23 | Energy storage control method and device and energy storage control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113141038A true CN113141038A (en) | 2021-07-20 |
Family
ID=76813720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110440109.7A Pending CN113141038A (en) | 2021-04-23 | 2021-04-23 | Energy storage control method and device and energy storage control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113141038A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013097489A1 (en) * | 2011-12-31 | 2013-07-04 | 中国电力科学研究院 | Real-time power control method and system for megawatt battery energy storage power station |
| CN104901338A (en) * | 2015-06-25 | 2015-09-09 | 华北电力大学（保定） | Island isolated micro-grid energy control method |
| CN106169752A (en) * | 2016-09-28 | 2016-11-30 | 南京四方亿能电力自动化有限公司 | Main power source flexible switching method under a kind of micro-capacitance sensor off-network pattern |
| CN107872065A (en) * | 2016-09-27 | 2018-04-03 | 北京睿能世纪科技有限公司 | The control method and device that a kind of power network energy-storage system is contributed |
| CN107872071A (en) * | 2016-09-27 | 2018-04-03 | 北京睿能世纪科技有限公司 | A kind of electricity-generating method and device for power network power supply |
| CN109713659A (en) * | 2019-01-21 | 2019-05-03 | 许继电源有限公司 | A kind of direct-current grid and its coordinated operation method |
| CN110401185A (en) * | 2019-06-28 | 2019-11-01 | 特变电工西安电气科技有限公司 | A kind of collaboration energy management system control method based on the storage of source lotus |
| CN112117504A (en) * | 2020-09-28 | 2020-12-22 | 深圳市科陆电子科技股份有限公司 | Control method of power battery, energy storage system, electronic device and storage medium |
-
2021
- 2021-04-23 CN CN202110440109.7A patent/CN113141038A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013097489A1 (en) * | 2011-12-31 | 2013-07-04 | 中国电力科学研究院 | Real-time power control method and system for megawatt battery energy storage power station |
| CN104901338A (en) * | 2015-06-25 | 2015-09-09 | 华北电力大学（保定） | Island isolated micro-grid energy control method |
| CN107872065A (en) * | 2016-09-27 | 2018-04-03 | 北京睿能世纪科技有限公司 | The control method and device that a kind of power network energy-storage system is contributed |
| CN107872071A (en) * | 2016-09-27 | 2018-04-03 | 北京睿能世纪科技有限公司 | A kind of electricity-generating method and device for power network power supply |
| CN106169752A (en) * | 2016-09-28 | 2016-11-30 | 南京四方亿能电力自动化有限公司 | Main power source flexible switching method under a kind of micro-capacitance sensor off-network pattern |
| CN109713659A (en) * | 2019-01-21 | 2019-05-03 | 许继电源有限公司 | A kind of direct-current grid and its coordinated operation method |
| CN110401185A (en) * | 2019-06-28 | 2019-11-01 | 特变电工西安电气科技有限公司 | A kind of collaboration energy management system control method based on the storage of source lotus |
| CN112117504A (en) * | 2020-09-28 | 2020-12-22 | 深圳市科陆电子科技股份有限公司 | Control method of power battery, energy storage system, electronic device and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9045047B2 (en) | Storage battery | |
| CN110723028A (en) | BMS-based intelligent battery power supplementing method and device and storage medium | |
| CN109094401B (en) | Energy vehicle charging control method, storage medium, control device and charging pile | |
| CN108899965B (en) | Charging pile power supply control method, storage medium, control device and charging pile | |
| EP4194256A1 (en) | Power control method and system for battery charging and swap station, medium, apparatus, and battery charging and swap station | |
| CN112078382A (en) | Electric vehicle power control method, electric vehicle and computer readable storage medium | |
| CN116418063A (en) | Charging control method, system, electronic device and storage medium | |
| CN114498834A (en) | Control method and device for parallel battery clusters and battery system control board | |
| CN112510775B (en) | Control method and device of parallel battery system and electronic equipment | |
| CN114172234A (en) | Charging method and device of power exchange cabinet, electronic equipment and storage medium | |
| CN111224415B (en) | Energy storage method, device and system of energy storage system and computer readable storage medium | |
| CN113141038A (en) | Energy storage control method and device and energy storage control system | |
| CN110226257B (en) | Method and system for managing battery pack | |
| US20230029492A1 (en) | Charging and discharging apparatus and battery charging method | |
| CN116365569A (en) | Method and device for controlling operation of optical storage charging station, electronic equipment and medium | |
| CN116455010A (en) | Intelligent charging method and system for charging pile, electronic equipment and storage medium | |
| EP4395105A1 (en) | Charging control method and apparatus and charging system | |
| US11884164B2 (en) | System and method for controlling charging of battery of eco-friendly vehicle | |
| EP3840102B1 (en) | Bms recognition system and method | |
| CN112886687A (en) | Battery charging method, device, system, charger, medium and product | |
| CN113665398A (en) | Charging gun fault detection method, terminal and system | |
| CN116325420A (en) | Method for charging battery and charging and discharging device | |
| KR20210044485A (en) | Apparatus and method for managing charging of vehicle battery | |
| CN114362303B (en) | Charging method and device for battery changing cabinet, electronic equipment and storage medium | |
| CN214822697U (en) | Electric vehicle charging equipment and 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 |