CN116760083B - Control mode switching method and system of energy storage system - Google Patents
Control mode switching method and system of energy storage system Download PDFInfo
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- CN116760083B CN116760083B CN202311007029.8A CN202311007029A CN116760083B CN 116760083 B CN116760083 B CN 116760083B CN 202311007029 A CN202311007029 A CN 202311007029A CN 116760083 B CN116760083 B CN 116760083B
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- 238000004146 energy storage Methods 0.000 title claims abstract description 139
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000010248 power generation Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000002265 prevention Effects 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 238000004590 computer program Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 9
- 230000005611 electricity Effects 0.000 description 12
- 230000001276 controlling effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
- H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
- H02J2310/58—The condition being electrical
- H02J2310/60—Limiting power consumption in the network or in one section of the network, e.g. load shedding or peak shaving
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Human Computer Interaction (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention provides a control mode switching method and system of an energy storage system, and relates to the field of energy storage operation control. The method comprises the following steps: acquiring preset information required by switching control of a central controller; generating corresponding power distribution adjustment information according to the power generation and power consumption condition information of each equipment end in the preset information and current configuration mode information, wherein the current configuration mode information comprises at least one of load priority, backflow prevention, battery priority, peak clipping and valley filling or manual scheduling; and establishing a preset mechanism to control the flow direction of electric energy among the energy storage equipment, the power grid, the photovoltaic system and the load according to the power distribution adjustment information. The energy storage system control method and the energy storage device can effectively improve the efficiency of utilizing the new energy power generated by wind-light power generation and improve the economic benefit of the energy storage device by optimizing the flow of the control mode switching of the energy storage system.
Description
Technical Field
The invention relates to the field of energy storage operation control, in particular to a control mode switching method and system of an energy storage system.
Background
Under the promotion of the large-scale growth of new energy power generation, the scale of the energy storage installation in China keeps a trend of high-speed growth all the time. Driven by the 'double carbon' target, the novel energy storage industry will show a rapidly growing situation, and the energy storage will play an increasingly important role in the power system with the renewable energy source with higher and higher duty ratio. The method has higher economic benefit in the modes of power generation side wind power generation, energy storage and frequency modulation.
However, how to effectively control and switch the stored energy to more efficiently utilize the new energy generated by wind-solar power generation is a complex and urgent problem in the industry.
Disclosure of Invention
The invention aims to provide a control mode switching method and a control mode switching system of an energy storage system, which can effectively improve the efficiency of utilizing new energy power generated by wind-light power generation and improve the economic benefit of an energy storage device.
The invention is realized in the following way:
In a first aspect, the present application provides a control mode switching method of an energy storage system, including the steps of:
Acquiring preset information required by switching control of a central controller; generating corresponding power distribution adjustment information according to the power generation and power consumption condition information of each equipment end in the preset information and current configuration mode information, wherein the current configuration mode information comprises at least one of load priority, backflow prevention, battery priority, peak clipping and valley filling or manual scheduling; and establishing a preset mechanism to control the flow direction of electric energy among the energy storage equipment, the power grid, the photovoltaic system and the load according to the power distribution adjustment information.
Further, when the current configuration mode information is load-prioritized, the power allocation adjustment information includes: when the SOC value of the energy storage device is larger than a first preset threshold value, the energy storage device is controlled to transmit power to a power grid and supply power to a load; and when the SOC value of the energy storage device is greater than a first preset threshold value and the current configuration mode information comprises anti-backflow, controlling the energy storage device to supply power to a load and prohibiting the energy storage device from transmitting power to a power grid.
Further, when the current configuration mode information is battery priority, the power allocation adjustment information includes: when the SOC value of the energy storage equipment is lower than a second preset threshold value, controlling a power grid and a photovoltaic system to charge the energy storage equipment; and controlling the energy storage device to supply power to the load when the SOC value of the energy storage device is not lower than a second preset threshold value.
Further, when the current configuration mode information is peak clipping and valley filling, the power allocation adjustment information includes: and judging whether the current time is in a preset peak-valley time range, if the judging result is in the power utilization peak time period, controlling the energy storage device to transmit power to the power grid and supply power to the load, and if the judging result is in the power utilization valley time period, controlling the power grid to charge the energy storage device and supply power to the load, and prohibiting the energy storage device from discharging to the load.
Further, when the current configuration mode information is manually scheduled, the generating the corresponding power allocation adjustment information includes: and responding to the input instruction of the user, and generating power distribution adjustment information for automatically switching the working mode of the energy storage equipment within a preset fixed time period.
In a second aspect, the present application provides a control mode switching system of an energy storage system, comprising:
The acquisition module is used for acquiring preset information required by the switching control of the central controller and sending the preset information to the central controller; the central controller is used for receiving the preset information, and generating corresponding power distribution adjustment information according to the power generation and power utilization condition information of each equipment end in the preset information and the current configuration mode information, wherein the current configuration mode information comprises at least one of load priority, backflow prevention, battery priority, peak clipping and valley filling or manual scheduling; and the execution module is used for receiving the power distribution adjustment information and establishing a preset mechanism to control the flow direction of electric energy among the energy storage equipment, the power grid, the photovoltaic system and the load.
In a third aspect, the present application provides a control mode switching system of an energy storage system, comprising:
The information acquisition module is used for acquiring preset information required by the switching control of the central controller; the distribution adjustment module is used for generating corresponding power distribution adjustment information according to the power generation and power utilization condition information of each equipment end in the preset information and the current configuration mode information, wherein the current configuration mode information comprises at least one of load priority, backflow prevention, battery priority, peak clipping and valley filling or manual scheduling; and the electric energy control module is used for establishing a preset mechanism to control the flow direction of electric energy among the energy storage equipment, the power grid, the photovoltaic system and the load according to the power distribution adjustment information.
In a fourth aspect, the present application provides an electronic device comprising at least one processor, at least one memory, and a data bus; wherein: the processor and the memory complete communication with each other through the data bus; the memory stores program instructions for execution by the processor, the processor invoking the program instructions to perform the method of any of the first aspects.
In a fifth aspect, the present application provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method as described in any of the first aspects above.
Compared with the prior art, the invention has at least the following advantages or beneficial effects:
The invention provides a control mode switching method of an energy storage system, which comprises the steps of firstly acquiring preset information required by switching control of a central controller, and then generating corresponding power distribution adjustment information based on power generation and power consumption condition information of each equipment end in the preset information and current configuration mode information, wherein the power distribution adjustment information is used for establishing a preset mechanism to control the flow direction of electric energy among the energy storage equipment, a power grid, a photovoltaic system and a load. That is, by the scheme provided by the invention, the energy storage equipment can be effectively switched, and corresponding electric energy flow direction control is carried out according to different power generation and power consumption conditions and configuration modes of different equipment ends, so that the regulation and control of the energy storage equipment are effectively realized, the new energy power generated by wind and light power generation can be effectively utilized, and the economic benefit of the energy storage device is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart illustrating an embodiment of a method for switching control modes of an energy storage system according to the present invention;
FIG. 2 is a schematic diagram of an energy storage system according to an embodiment of the present invention;
FIG. 3 is a flow chart illustrating a configuration mode with load priority according to an embodiment of the present invention;
FIG. 4 is a flow chart illustrating a configuration mode with battery priority according to an embodiment of the present invention;
FIG. 5 is a flow chart illustrating a configuration mode of the present invention when peak clipping and valley filling are performed;
FIG. 6 is a flow chart illustrating a manual scheduling procedure according to an embodiment of the present invention;
FIG. 7 is a block diagram illustrating an embodiment of a control mode switching system of an energy storage system according to the present invention;
fig. 8 is a block diagram of an electronic device according to an embodiment of the present invention.
Icon: 1. an information acquisition module; 2. an allocation adjustment module; 3. an electric energy control module; 4. a processor; 5. a memory; 6. a data bus.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Some embodiments of the present application are described in detail below with reference to the accompanying drawings. The various embodiments and features of the embodiments described below may be combined with one another without conflict.
Example 1
The embodiment of the application provides a control mode switching method of an energy storage system, which is used for improving the efficiency of new energy power generated by wind-solar power generation by optimizing the control mode switching operation of the energy storage system, so that the economic benefit of an energy storage device is improved.
For easy understanding, some technical terms designed by the present application will be briefly described as follows:
The power grid: representing the electricity delivered by the national grid.
A photovoltaic panel: an apparatus for optical-to-electrical conversion.
An inverter: the device for converting the light-converted electricity (direct current) into 220V alternating current for users, wherein the electricity transmitted by the inverter is called photovoltaic power generation.
An energy storage battery device: the battery and the battery controller device for energy storage are also called energy storage devices for short.
Load: household appliances, such as televisions, refrigerators, etc., or appliances that are required to operate electrically by industry are collectively referred to herein as loads.
SOC: refers to the current charge to total capacity ratio of the battery.
Referring to fig. 1, the control mode switching method of the energy storage system includes the following steps:
Step S101: and acquiring preset information required by switching control of the central controller.
In the above steps, the corresponding preset information is acquired through the central controller, and the corresponding equipment can be switched and controlled based on the preset information later, so that corresponding original data support is provided for realizing interaction of control signals between systems and controlling the flow direction of electric energy, and the effectiveness of control switching treatment is ensured.
Step S102: generating corresponding power distribution adjustment information according to the power generation and power consumption condition information of each equipment end in the preset information and current configuration mode information, wherein the current configuration mode information comprises at least one of load priority, backflow prevention, battery priority, peak clipping and valley filling or manual scheduling;
In the above steps, after the power generation and power consumption conditions of each equipment end in the energy storage system and preset information such as current configuration mode information are obtained, the power generation and power consumption conditions of each equipment end can be utilized to analyze the power generation and power consumption conditions according to different configuration modes, and corresponding power distribution adjustment information is generated according to analysis results.
Illustratively, as shown in fig. 2, each device end thereof may include a photovoltaic power generation device end (corresponding to the photovoltaic panel and the inverter in fig. 2), a grid device end, an energy storage device end (corresponding to the energy storage battery device in fig. 2), and a load device end.
Step S103: and establishing a preset mechanism to control the flow direction of electric energy among the energy storage equipment, the power grid, the photovoltaic system and the load according to the power distribution adjustment information. The method is used for dynamically adjusting the electric energy flow direction of the energy storage system according to the acquired preset information, and mainly comprises the steps of adjusting the charge and discharge conditions of the energy storage equipment, so that the economic benefit of energy storage can be improved, and the new energy power generated by the photovoltaic system can be better utilized.
As shown in fig. 3, in some embodiments of the present invention, when the current configuration mode information is load-preferred, the power allocation adjustment information includes:
When the SOC value of the energy storage device is larger than a first preset threshold value, the energy storage device is controlled to transmit power to a power grid and supply power to a load; and when the SOC value of the energy storage device is greater than a first preset threshold value and the current configuration mode information comprises anti-backflow, controlling the energy storage device to supply power to a load and prohibiting the energy storage device from transmitting power to a power grid.
When the current configuration mode information is that the load is prioritized, the power supply for the load is the problem to be considered first, so that if the energy storage device has sufficient electric quantity (for example, when the SOC value is higher than 25%, the specific value can be configured according to actual needs, and the specific value is not strictly limited here), the energy storage device is controlled to supply power for the electric equipment, the electric quantity consumption of the power grid is reduced, and the electricity consumption expenditure is reduced. Meanwhile, if the surplus electric quantity exists, the electric quantity can be conveyed to the power grid to acquire electricity selling income. Similarly, if the load of the device is prioritized and set to be anti-backflow, the energy storage battery device is set to be preferentially discharged by the central controller for the load to use, and no electric quantity is transmitted to the power grid. The discharge is stopped when the energy storage battery discharges below a second predetermined threshold (e.g., SOC below 25%, which may be configured as desired).
As shown in fig. 4, in some embodiments of the present invention, when the current configuration mode information is battery priority, the power allocation adjustment information includes:
When the SOC value of the energy storage equipment is lower than a second preset threshold value, controlling a power grid and a photovoltaic system to charge the energy storage equipment; and controlling the energy storage device to supply power to the load when the SOC value of the energy storage device is not lower than a second preset threshold value.
When the current configuration mode information is that the battery is prioritized, if the SOC of the battery in the energy storage device is lower than a certain value (for example, the SOC is less than 95%, the value can be dynamically configured according to actual needs), the battery is controlled to be in a prioritized charging state, and the photovoltaic power generation and the power of the power grid charge the battery, and at the moment, the load power is all from the power grid. Until the battery is full or the SOC is not lower than a certain fixed value (for example, the SOC is more than or equal to 90%, the value can be dynamically configured according to actual needs), the battery can be discharged for the load to use. This ensures that the battery always stores enough energy to be used in the absence of power.
As shown in fig. 5, in some embodiments of the present invention, when the current configuration mode information is peak clipping and valley filling, the power allocation adjustment information includes:
and judging whether the current time is in a preset peak-valley time range, if the judging result is in the power utilization peak time period, controlling the energy storage device to transmit power to the power grid and supply power to the load, and if the judging result is in the power utilization valley time period, controlling the power grid to charge the energy storage device and supply power to the load, and prohibiting the energy storage device from discharging to the load.
In general, the national power grid is different in electric charge pricing at different time periods. Such as peak period 7: 00-11: 00 and 19: 00-23: in the 00 time period, the electricity price can be about 1 yuan; during the valley period 23: 00-the next day 7: the electricity price may be about 0.3 yuan in the 00 time period, and of course, other prices such as about 0.7 yuan in the flat time period are also possible. At this time, whether the current time is within a preset low-valley time range or not can be judged, electric energy with low electricity price is utilized to charge the energy storage device in a low-valley period, the energy storage device is controlled to discharge for load use when the electricity price is higher in a peak period, electricity consumption when the high electricity price is avoided, and the electric energy can be fed into a power grid to obtain corresponding income. That is, the charging and discharging processes of the energy storage device can be controlled in a corresponding time period by setting a plurality of peak-valley time periods in advance, so that the charging and discharging mode switching of the energy storage pool device can be regulated by utilizing the market price fluctuation characteristic, and the economic benefit of the energy storage device in the practical application field is improved.
As shown in fig. 6, in some embodiments of the present invention, when the current configuration mode information is manually scheduled, the generating the corresponding power allocation adjustment information includes:
And responding to the input instruction of the user, and generating power distribution adjustment information for automatically switching the working mode of the energy storage equipment within a preset fixed time period.
Through user's input, carry out the manual work and set up energy storage equipment and switch in the operating mode of different fixed time periods, if in 00:00-08:30 period, energy storage equipment only charges, reserves electric energy, at 09:00-11: during 30 periods, i.e. during the power utilization period of the equipment, the energy storage equipment discharges for the load to use, and the surplus electric energy is transmitted to the power grid. Meanwhile, the limit of the charge and discharge power of the battery can be set according to the electricity consumption condition and the capacity piece of the energy storage equipment, and the normal supply of the battery is ensured.
Example 2
The embodiment of the application provides a control mode switching system of an energy storage system, which comprises the following components:
The acquisition module is used for acquiring preset information required by the switching control of the central controller and sending the preset information to the central controller; the central controller is used for receiving the preset information, and generating corresponding power distribution adjustment information according to the power generation and power utilization condition information of each equipment end in the preset information and the current configuration mode information, wherein the current configuration mode information comprises at least one of load priority, backflow prevention, battery priority, peak clipping and valley filling or manual scheduling; and the execution module is used for receiving the power distribution adjustment information and establishing a preset mechanism to control the flow direction of electric energy among the energy storage equipment, the power grid, the photovoltaic system and the load.
As shown in fig. 7, an embodiment of the present application further provides a control mode switching system of an energy storage system, which includes:
The information acquisition module 1 is used for acquiring preset information required by switching control of the central controller; the allocation adjustment module 2 is configured to generate corresponding power allocation adjustment information according to the power generation and power consumption condition information of each device end in the preset information and current configuration mode information, where the current configuration mode information includes at least one of load priority, backflow prevention, battery priority, peak clipping and valley filling or manual scheduling; and the electric energy control module 3 is used for establishing a preset mechanism to control the flow direction of electric energy among the energy storage equipment, the power grid, the photovoltaic system and the load according to the power distribution adjustment information.
The specific implementation process of the above system refers to a control mode switching method of the energy storage system provided in embodiment 1, and is not described herein.
Example 3
Referring to fig. 8, an embodiment of the present application provides an electronic device comprising at least one processor 4, at least one memory 5 and a data bus 6; wherein: the processor 4 and the memory 5 complete the communication with each other through the data bus 6; the memory 5 stores program instructions executable by the processor 4, the processor 4 invoking the program instructions to perform a method of switching control modes of the energy storage system. For example, implementation:
Acquiring preset information required by switching control of a central controller; generating corresponding power distribution adjustment information according to the power generation and power consumption condition information of each equipment end in the preset information and current configuration mode information, wherein the current configuration mode information comprises at least one of load priority, backflow prevention, battery priority, peak clipping and valley filling or manual scheduling; and establishing a preset mechanism to control the flow direction of electric energy among the energy storage equipment, the power grid, the photovoltaic system and the load according to the power distribution adjustment information.
The Memory 5 may be, but is not limited to, random access Memory (Random Access Memory, RAM), read Only Memory (ROM), programmable Read Only Memory (Programmable Read-Only Memory, PROM), erasable Read Only Memory (Erasable Programmable Read-Only Memory, EPROM), electrically erasable Read Only Memory (Electric Erasable Programmable Read-Only Memory, EEPROM), etc.
The processor 4 may be an integrated circuit chip with signal processing capabilities. The processor 4 may be a general-purpose processor including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), etc.; but may also be a digital signal processor (DIGITAL SIGNAL Processing, DSP), application SPECIFIC INTEGRATED Circuit (ASIC), field-Programmable gate array (Field-Programmable GATE ARRAY, FPGA) or other Programmable logic device, discrete gate or transistor logic device, discrete hardware components.
It will be appreciated that the configuration shown in fig. 8 is merely illustrative, and that the electronic device may also include more or fewer components than shown in fig. 8, or have a different configuration than shown in fig. 8. The components shown in fig. 8 may be implemented in hardware, software, or a combination thereof.
Example 4
The present invention provides a computer readable storage medium having stored thereon a computer program which when executed by a processor 4 implements a method of switching control modes of an energy storage system. For example, implementation:
Acquiring preset information required by switching control of a central controller; generating corresponding power distribution adjustment information according to the power generation and power consumption condition information of each equipment end in the preset information and current configuration mode information, wherein the current configuration mode information comprises at least one of load priority, backflow prevention, battery priority, peak clipping and valley filling or manual scheduling; and establishing a preset mechanism to control the flow direction of electric energy among the energy storage equipment, the power grid, the photovoltaic system and the load according to the power distribution adjustment information.
The above functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The control mode switching method of the energy storage system is characterized by comprising the following steps of:
Acquiring preset information required by switching control of a central controller; the preset information carries power generation and power consumption information of each equipment end;
Generating corresponding power distribution adjustment information according to the power generation and power consumption condition information of each equipment end in the preset information and current configuration mode information, wherein the current configuration mode information comprises at least one of load priority, backflow prevention, battery priority, peak clipping and valley filling or manual scheduling;
establishing a preset mechanism to control the flow direction of electric energy among the energy storage equipment, the power grid, the photovoltaic system and the load according to the power distribution adjustment information;
When the current configuration mode information is load priority, the power allocation adjustment information includes: when the SOC value of the energy storage device is larger than a first preset threshold value, the energy storage device is controlled to transmit power to a power grid and supply power to a load; when the SOC value of the energy storage device is larger than a first preset threshold value and the current configuration mode information comprises anti-backflow, controlling the energy storage device to supply power to a load and prohibiting the energy storage device from transmitting power to a power grid;
When the current configuration mode information is battery priority, the power allocation adjustment information includes: when the SOC value of the energy storage equipment is lower than a second preset threshold value, controlling a power grid and a photovoltaic system to charge the energy storage equipment; when the SOC value of the energy storage device is not lower than a second preset threshold value, controlling the energy storage device to supply power to a load;
when the current configuration mode information is peak clipping and valley filling, the power allocation adjustment information comprises: judging whether the current time is in a preset peak-valley time range, if the judging result is in a power utilization peak time period, controlling the energy storage device to transmit power to a power grid and supply power to a load, and if the judging result is in a power utilization valley time period, controlling the power grid to charge the energy storage device and supply power to the load, and prohibiting the energy storage device from discharging to the load;
When the current configuration mode information is manually scheduled, the generating corresponding power allocation adjustment information includes: and responding to the input instruction of the user, and generating power distribution adjustment information for automatically switching the working mode of the energy storage equipment within a preset fixed time period.
2. A control mode switching system of an energy storage system, comprising:
The acquisition module is used for acquiring preset information required by the switching control of the central controller and sending the preset information to the central controller; the preset information carries power generation and power consumption information of each equipment end;
The central controller is used for receiving the preset information, and generating corresponding power distribution adjustment information according to the power generation and power utilization condition information of each equipment end in the preset information and the current configuration mode information, wherein the current configuration mode information comprises at least one of load priority, backflow prevention, battery priority, peak clipping and valley filling or manual scheduling; when the current configuration mode information is load priority, the power allocation adjustment information includes: when the SOC value of the energy storage device is larger than a first preset threshold value, the energy storage device is controlled to transmit power to a power grid and supply power to a load; when the SOC value of the energy storage device is larger than a first preset threshold value and the current configuration mode information comprises anti-backflow, controlling the energy storage device to supply power to a load and prohibiting the energy storage device from transmitting power to a power grid; when the current configuration mode information is battery priority, the power allocation adjustment information includes: when the SOC value of the energy storage equipment is lower than a second preset threshold value, controlling a power grid and a photovoltaic system to charge the energy storage equipment; when the SOC value of the energy storage device is not lower than a second preset threshold value, controlling the energy storage device to supply power to a load; when the current configuration mode information is peak clipping and valley filling, the power allocation adjustment information comprises: judging whether the current time is in a preset peak-valley time range, if the judging result is in a power utilization peak time period, controlling the energy storage device to transmit power to a power grid and supply power to a load, and if the judging result is in a power utilization valley time period, controlling the power grid to charge the energy storage device and supply power to the load, and prohibiting the energy storage device from discharging to the load; when the current configuration mode information is manually scheduled, the generating corresponding power allocation adjustment information includes: responding to an input instruction of a user, and generating power distribution adjustment information for automatically switching the working mode of the energy storage equipment within a preset fixed time period;
And the execution module is used for receiving the power distribution adjustment information and establishing a preset mechanism to control the flow direction of electric energy among the energy storage equipment, the power grid, the photovoltaic system and the load.
3. A control mode switching system of an energy storage system, comprising:
the information acquisition module is used for acquiring preset information required by the switching control of the central controller; the preset information carries power generation and power consumption information of each equipment end;
The distribution adjustment module is used for generating corresponding power distribution adjustment information according to the power generation and power utilization condition information of each equipment end in the preset information and the current configuration mode information, wherein the current configuration mode information comprises at least one of load priority, backflow prevention, battery priority, peak clipping and valley filling or manual scheduling; when the current configuration mode information is load priority, the power allocation adjustment information includes: when the SOC value of the energy storage device is larger than a first preset threshold value, the energy storage device is controlled to transmit power to a power grid and supply power to a load; when the SOC value of the energy storage device is larger than a first preset threshold value and the current configuration mode information comprises anti-backflow, controlling the energy storage device to supply power to a load and prohibiting the energy storage device from transmitting power to a power grid; when the current configuration mode information is battery priority, the power allocation adjustment information includes: when the SOC value of the energy storage equipment is lower than a second preset threshold value, controlling a power grid and a photovoltaic system to charge the energy storage equipment; when the SOC value of the energy storage device is not lower than a second preset threshold value, controlling the energy storage device to supply power to a load; when the current configuration mode information is peak clipping and valley filling, the power allocation adjustment information comprises: judging whether the current time is in a preset peak-valley time range, if the judging result is in a power utilization peak time period, controlling the energy storage device to transmit power to a power grid and supply power to a load, and if the judging result is in a power utilization valley time period, controlling the power grid to charge the energy storage device and supply power to the load, and prohibiting the energy storage device from discharging to the load; when the current configuration mode information is manually scheduled, the generating corresponding power allocation adjustment information includes: responding to an input instruction of a user, and generating power distribution adjustment information for automatically switching the working mode of the energy storage equipment within a preset fixed time period;
and the electric energy control module is used for establishing a preset mechanism to control the flow direction of electric energy among the energy storage equipment, the power grid, the photovoltaic system and the load according to the power distribution adjustment information.
4. An electronic device comprising at least one processor, at least one memory, and a data bus; wherein: the processor and the memory complete communication with each other through the data bus; the memory stores program instructions for execution by the processor, the processor invoking the program instructions to perform the method of claim 1.
5. A computer readable storage medium, on which a computer program is stored which, when being executed by a processor, implements the method according to claim 1.
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| CN106786547A (en) * | 2017-01-12 | 2017-05-31 | 沃太能源南通有限公司 | A kind of new micro-grid system and the networking scheduling method based on the system |
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| CN110350560A (en) * | 2019-07-09 | 2019-10-18 | 江苏大航微电网科技有限公司 | A kind of intelligent micro-grid control device |
| CN110932327A (en) * | 2019-12-16 | 2020-03-27 | 广东欣顿电源科技有限公司 | Intelligent photovoltaic grid-connected and off-grid integrated energy storage inverter and control method thereof |
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