CN109586405A - Micro-grid system and its communication means - Google Patents
Micro-grid system and its communication means Download PDFInfo
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- CN109586405A CN109586405A CN201811291114.0A CN201811291114A CN109586405A CN 109586405 A CN109586405 A CN 109586405A CN 201811291114 A CN201811291114 A CN 201811291114A CN 109586405 A CN109586405 A CN 109586405A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 81
- 238000000034 method Methods 0.000 claims description 23
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- 238000003860 storage Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 238000004590 computer program Methods 0.000 claims description 6
- 238000004146 energy storage Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims 1
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Classifications
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- H02J13/0075—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The present invention provides a kind of micro-grid system and its communication means, wherein the system includes: bus；Wireless communication module, connection on the bus, are used to form wireless network；Grid equipment, being connected with the bus and can be connected to the wireless communication module is formed by wireless network.Solve through the above scheme it is existing the low technical problem of existing data transmission efficiency is only carried out data transmission by bus, reached effective technical effect for promoting efficiency of transmission.
Description
Technical field
The present invention relates to equipment control technology fields, in particular to a kind of micro-grid system and its communication means.
Background technique
In micro-grid system, as shown in Figure 1, the topological structure of communication is mostly bus-type topology, all communication equipments
It is entire logical when short circuit or open circuit occurs in a several communication line in bus all in identical communication contention aware domain
Interrupting or paralysing will occur in the communication of communication network, and the reliable letter of communication is not high.
In addition, the control time of electrical equipment response terminal can also increase when the communication equipment in bus increases, communicate
Real-time it is poor, although power line carrier technology is used in micro-capacitance sensor field in the recent period, make simultaneously when multiple electrical equipments
When transmitting data with power line network, traffic rate is reduced, and real-time communication is deteriorated, and this kind of communication network is not suitable for electricity consumption
Big electrical equipment, when electrical equipment energy consumption increases, the node communication quality on communication line is reduced.
In view of the above-mentioned problems, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of micro-grid system and its communication means, improve node on communication line to reach
Communication quality technical effect.
On the one hand, a kind of micro-grid system is provided, which includes:
Bus；
Wireless communication module, connection on the bus, are used to form wireless network；
Grid equipment, being connected with the bus and can be connected to the wireless communication module is formed by wireless network.
In one embodiment, the grid equipment includes at least one of: energy controller, current transformer, energy storage
Cabinet, electrical equipment.
In one embodiment, above system further include: interactive terminal is connected with external network.
In one embodiment, it is provided with switch unit in the wireless communication module, for controlling the channel radio
Interrogate the switch of module.
On the other hand, a kind of method communicated based on above-mentioned micro-grid system is provided, comprising:
Grid equipment detects the data transmission bauds of bus and the data transmission bauds of attachable wireless network；
The communication network for selecting data transmission bauds high is as the communication network carried out data transmission；
Communication network based on selection carries out data transmission.
In one embodiment, during the communication network based on selection carries out data transmission, comprising:
The grid equipment receives data, and whether the data transmission bauds of the communication network detected and selected reaches default speed
Spend threshold value；
In the case where determining not up to pre-set velocity threshold value, the selected communication network is assessed；
In the case where assessment passes through, continues through the selected communication network and carry out data transmission；
In the case where assessing unsanctioned situation, communication network is reselected.
In one embodiment, carrying out assessment to the selected communication network includes:
Within a preset time, whether data transmission bauds is all not up to pre-set velocity threshold value for detection；
If all do not passed through, it is determined that assessment does not pass through；
If data transmission bauds is promoted to the pre-set velocity threshold value in the preset time, it is determined that assessment is logical
It crosses.
In one embodiment, during the communication network based on selection carries out data transmission, comprising:
Detect wrong frame number institute in the data frame number received within a predetermined period of time and wrong frame number in the interactive terminal
The ratio accounted for；
Shared ratio within a preset range when, carried out data transmission by the selected communication network；
When shared ratio exceeds preset range, the not used wireless communication module of the interactive terminal control, which is in, to be opened
State is opened, to increase cordless communication network.
Another aspect provides a kind of network equipment, comprising: memory, processor and storage are on a memory and can be
The step of computer program run on processor, the processor realizes the above method when executing the computer program.
Another aspect provides a kind of non-volatile computer readable storage medium storing program for executing, is stored thereon with computer program, institute
State the step of above method is realized when computer program is executed by processor.
In the above-described embodiments, a kind of micro-grid system for being provided with wireless communication module is provided, so that power grid
Equipment can detecte the data transmission bauds of bus and the data transmission bauds of attachable wireless network, select data transmission speed
High communication network is spent to carry out data transmission.It solves through the above scheme and existing only carries out data transmission being deposited by bus
The low technical problem of data transmission efficiency, reached effective technical effect for promoting efficiency of transmission.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the network communication architectures figure of existing micro-grid system；
Fig. 2 is the posture schematic diagram of micro-grid system according to an embodiment of the present invention；
Fig. 3 is communication means flow chart according to an embodiment of the present invention；
Fig. 4 is micro-grid system network communication architectures according to an embodiment of the present invention；
Fig. 5 is the structure chart of wireless communication module according to an embodiment of the present invention；
Fig. 6 is microgrid equipment selection communication network flow chart according to an embodiment of the present invention；
Fig. 7 is the structural block diagram of communication device according to an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right below with reference to embodiment and attached drawing
The present invention is described in further details.Here, exemplary embodiment and its explanation of the invention is used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
For the problem that communication reliability present in existing communication topology is low, real-time is poor, communication quality is low, at this
In example, the communication technology and relatively reliable communication topology of a kind of higher communication performance are proposed, to form micro-grid system, from
And achieve the purpose that high reliablity, real-time height and the high communication quality.
As shown in Fig. 2, providing a kind of micro-grid system in this example, comprising:
Bus 201；
Wireless communication module 202 is connected in the bus 201, is used to form wireless network；
Grid equipment 203, being connected with the bus 201 and can be connected to the wireless communication module 202 is formed by nothing
In gauze network.
In upper example, a kind of micro-grid system for being provided with wireless communication module is provided, so that grid equipment can
To detect the data transmission bauds of bus and the data transmission bauds of attachable wireless network, select data transmission bauds high
Communication network carries out data transmission.It solves through the above scheme and existing only carries out data transmission existing number by bus
According to the low technical problem of efficiency of transmission, effective technical effect for promoting efficiency of transmission is reached.
Above-mentioned grid equipment can include but is not limited at least one of: energy controller, current transformer, energy storage cabinet,
Electrical equipment.
It can also include interactive terminal in above-mentioned micro-grid system, be connected with external network.
In order to realize to the vacant of wireless communication module, it can be provided with switch unit in wireless communication module, pass through
The switch unit controls the switch of wireless communication module.
Based on micro-grid system shown in Fig. 2, a kind of communication means is provided in this example, as shown in figure 3, may include
Following steps:
Step 301: grid equipment detects the data transmission bauds of bus and the data of attachable wireless network transmit speed
Degree；
Step 302: the communication network for selecting data transmission bauds high is as the communication network carried out data transmission；
Step 303: the communication network based on selection carries out data transmission.
In view of during actually being communicated, will have a direct impact on the efficiency of communication to the selection of communication network, select
The high network of data transmission bauds is selected, the transmission of data can be accelerated, but for each network, transmission speed is not one
It is straight constant, therefore, it can be detected with real-time perfoming.Therefore, during the communication network based on selection carries out data transmission,
May include:
S1: grid equipment receives data, and whether the data transmission bauds of the communication network detected and selected reaches default speed
Spend threshold value；
S2: in the case where determining not up to pre-set velocity threshold value, the selected communication network is assessed；
S3: it in the case where assessment passes through, continues through the selected communication network and carries out data transmission；
S4: in the case where assessing unsanctioned situation, communication network is reselected.
Specifically, carrying out assessment to the communication network of selection may include: detection in preset time during realization
Interior, whether data transmission bauds is all not up to pre-set velocity threshold value；If all do not passed through, it is determined that assessment does not pass through；If
In the preset time, data transmission bauds is promoted to the pre-set velocity threshold value, it is determined that assessment passes through.
In view of in the data of the data transmission of sometimes some networks error rate be it is relatively high, be for this network
It is not available.Therefore, during realization, during the communication network based on selection carries out data transmission, interaction
Terminal can detecte ratio shared by wrong frame number in the data frame number within a predetermined period of time, received and wrong frame number；?
Shared ratio within a preset range when, carried out data transmission by the selected communication network；Exceed in shared ratio
When preset range, the not used wireless communication module of the interactive terminal control is in the open state, to increase wireless communication networks
Network.
Above-mentioned micro-grid system and its communication means are illustrated below with reference to a specific embodiment, however, being worth
It is noted that the specific embodiment merely to the application is better described, does not constitute an undue limitation on the present application.
In this example, a kind of micro-grid system is provided, in the micro-grid system, each equipment has wireless communication and can examine
The ability of survey grid network communication speed.
1) networking mode:
As shown in figure 4, each equipment in the micro-grid system is to have the equipment of wireless communication ability, in micro-grid system
Each equipment and wireless communication module by communication bus with bus-type Topology connection together, form first layer communication network.?
In this example, for having laid three wireless modules, the quantity for the wireless module actually laid can be according in micro-grid system
Device distribution situation determines that the application is not construed as limiting this.
It, can be as shown in figure 5, passing through the switch list on wireless module when not needing using wireless communication module
Member, close wireless communication, wireless module by propagate wireless signal networking formed three independent sub-networks: LAN1, LAN2 and
LAN3, these three sub-networks form the second layer communication network in micro-grid system.
In this example, the interactive terminal in the micro-grid system and wireless module at least one can connect external network, with
As the interface channel that the micro-grid system is connect with external network, for the extension and appliance applications of the application of subsequent micro-grid system
Upgrading there are the interfaces of realization.
2) it communicates:
With the equipment of wireless communication function in the micro-grid system, can be wirelessly connected with wireless communication module,
It can detecte the communication quality that each wireless communication module is formed by network simultaneously, then, selected according to the communication quality of network
Communication network and communication media, are communicated.As shown in figure 4, micro-capacitance sensor equipment has wireless communication function, according to Fig. 4's
Topological structure is it is recognised that micro-capacitance sensor equipment can receive the control of interactive terminal by bus and wireless communication two ways
Data frame processed, specifically can be as shown in fig. 6, include the following steps:
S1: carrying out the detection of communication quality to the attachable network of equipment (bus and wireless network), can be according to communication
Transmission speed carries out the division of communication quality, and the network for selecting data transmission bauds high is communicatively coupled, and transmits communication data.
S2: detection communication speed, when lower than pre-set data transmission bauds (such as: when 256kbit/s), Ke Yiqi
The evaluation mechanism of dynamic network quality.
S3: microgrid equipment enters evaluation mechanism: the data transmission bauds that microgrid equipment receives in 35 seconds all exists
256kbit/s does not pass through hereinafter, then assessing, repeat step S1, when in the period data transmission bauds reach 256kbit/s and
More than, it continues to use the network and carries out data transmission controlling.
S4: when the interactive terminal in micro-grid system, by the background program of interactive terminal, detection is in a certain period of time
(such as: 2 minutes), the data frame number and wrong frame number received, when the erroneous frame that microgrid equipment receives accounts for total data frame number
Ratio when (can be independently arranged according to the environment of communication field) within an acceptable range, determine that assessment passes through, keep former network
Communication connection.When erroneous frame accounts for the ratio of total data frame number not when receiving in range, interactive terminal issues control command pair
Not used wireless communication module issues open command in bus, increases the communication channel of equipment, above step is repeated, to select
Select optimal micro-grid system network communications scheme.
In upper example, a kind of network topology structure in the micro-grid system of more equipment and communication network quality are proposed
Detection method can change the communication topology of existing micro-grid system by this method, improve the real-time and net of micro-grid system
The reliability of network communication, so that the exploitation of long-range more new equipment control application program and augmentation system application becomes possible.
Based on the same inventive concept, a kind of communication device is additionally provided in the embodiment of the present invention, such as the following examples institute
It states.Since the principle that communication device solves the problems, such as is similar to communication means, the implementation of communication device may refer to communication party
The implementation of method, overlaps will not be repeated.Used below, predetermined function may be implemented in term " unit " or " module "
The combination of software and/or hardware.Although device described in following embodiment is preferably realized with software, hardware, or
The realization of the combination of person's software and hardware is also that may and be contemplated.Fig. 7 is one kind of the communication device of the embodiment of the present invention
Structural block diagram is located in grid equipment, as shown in fig. 7, may include: detection module 701, selecting module 702 and transmission module
703, the structure is illustrated below.
Detection module 701, for detecting the data transmission bauds of bus and the data transmission speed of attachable wireless network
Degree；
Selecting module 702, the communication network for selecting data transmission bauds high is as the communication network carried out data transmission
Network；
Transmission module 703 carries out data transmission for the communication network based on selection.
In one embodiment, during the communication network based on selection carries out data transmission, comprising: the electricity
Net equipment receives data, and whether the data transmission bauds of the communication network detected and selected reaches pre-set velocity threshold value；In determination
Not up in the case where pre-set velocity threshold value, the selected communication network is assessed；In the case where assessment passes through, after
It is continuous to be carried out data transmission by the selected communication network；In the case where assessing unsanctioned situation, communication network is reselected.
In one embodiment, carrying out assessment to the selected communication network includes: to detect within a preset time, number
Whether pre-set velocity threshold value is all not up to according to transmission speed；If all do not passed through, it is determined that assessment does not pass through；If described pre-
If in the time, data transmission bauds is promoted to the pre-set velocity threshold value, it is determined that assessment passes through.
In another embodiment, a kind of software is additionally provided, the software is for executing above-described embodiment and preferred reality
Apply technical solution described in mode.
In another embodiment, a kind of storage medium is additionally provided, above-mentioned software is stored in the storage medium, it should
Storage medium includes but is not limited to: CD, floppy disk, hard disk, scratch pad memory etc..
It can be seen from the above description that the embodiment of the present invention realizes following technical effect: providing a kind of setting
There is the micro-grid system of wireless communication module, so that grid equipment can detecte the data transmission bauds of bus and can connect
Wireless network data transmission bauds, select the high communication network of data transmission bauds to carry out data transmission.Pass through above-mentioned side
Case solve it is existing the low technical problem of existing data transmission efficiency is only carried out data transmission by bus, reach
Effectively promote the technical effect of efficiency of transmission.
Although mentioning different specific embodiments in teachings herein, the application is not limited to be industry
Situation described in standard or embodiment etc., certain professional standards or the implementation base described using customized mode or embodiment
On plinth embodiment modified slightly also may be implemented above-described embodiment it is identical, it is equivalent or it is close or deformation after it is anticipated that
Implementation result.It, still can be with using these modifications or the embodiment of deformed data acquisition, processing, output, judgment mode etc.
Belong within the scope of the optional embodiment of the application.
Although this application provides the method operating procedure as described in embodiment or flow chart, based on conventional or noninvasive
The means for the property made may include more or less operating procedure.The step of enumerating in embodiment sequence is only numerous steps
One of execution sequence mode, does not represent and unique executes sequence.It, can when device or client production in practice executes
To execute or parallel execute (such as at parallel processor or multithreading according to embodiment or method shown in the drawings sequence
The environment of reason, even distributed data processing environment).The terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that process, method, product or equipment including a series of elements are not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, product or equipment
Intrinsic element.In the absence of more restrictions, be not precluded include the process, method of the element, product or
There is also other identical or equivalent elements in person's equipment.
Device that above-described embodiment illustrates or module etc. can specifically realize by computer chip or entity, or by having
There is the product of certain function to realize.For convenience of description, it is divided into various modules when description apparatus above with function to retouch respectively
It states.Certainly, the function of each module can be realized in the same or multiple software and or hardware when implementing the application,
The module for realizing same function can be realized by the combination of multiple submodule etc..Installation practice described above is only
Schematically, for example, the division of the module, only a kind of logical function partition, can there is other draw in actual implementation
The mode of dividing, such as multiple module or components can be combined or can be integrated into another system, or some features can be ignored,
Or it does not execute.
It is also known in the art that other than realizing controller in a manner of pure computer readable program code, it is complete
Entirely can by by method and step carry out programming in logic come so that controller with logic gate, switch, specific integrated circuit, programmable
Logic controller realizes identical function with the form for being embedded in microcontroller etc..Therefore this controller is considered one kind
Hardware component, and the structure that the device for realizing various functions that its inside includes can also be considered as in hardware component.Or
Person even, can will be considered as realizing the device of various functions either the software module of implementation method can be hardware again
Structure in component.
The application can describe in the general context of computer-executable instructions executed by a computer, such as program
Module.Generally, program module includes routines performing specific tasks or implementing specific abstract data types, programs, objects, group
Part, data structure, class etc..The application can also be practiced in a distributed computing environment, in these distributed computing environments,
By executing task by the connected remote processing devices of communication network.In a distributed computing environment, program module can
To be located in the local and remote computer storage media including storage equipment.
As seen through the above description of the embodiments, those skilled in the art can be understood that the application can
It realizes by means of software and necessary general hardware platform.Based on this understanding, the technical solution essence of the application
On in other words the part that contributes to existing technology can be embodied in the form of software products, the computer software product
It can store in storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions are used so that a computer equipment
(can be personal computer, mobile terminal, server or the network equipment etc.) executes each embodiment of the application or implementation
Method described in certain parts of example.
Each embodiment in this specification is described in a progressive manner, the same or similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.The application can be used for crowd
In mostly general or special purpose computing system environments or configuration.Such as: personal computer, server computer, handheld device or
Portable device, laptop device, multicomputer system, microprocessor-based system, set top box, programmable electronics set
Standby, network PC, minicomputer, mainframe computer, distributed computing environment including any of the above system or equipment etc..
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application there are many deformation and
Variation is without departing from spirit herein, it is desirable to which appended embodiment includes these deformations and changes without departing from the application.
Claims (10)
1. a kind of micro-grid system characterized by comprising
Bus；
Wireless communication module, connection on the bus, are used to form wireless network；
Grid equipment, being connected with the bus and can be connected to the wireless communication module is formed by wireless network.
2. system according to claim 1, which is characterized in that the grid equipment includes at least one of: energy control
Device processed, current transformer, energy storage cabinet, electrical equipment.
3. system according to claim 1, which is characterized in that further include: interactive terminal is connected with external network.
4. system according to claim 1, which is characterized in that be provided with switch unit in the wireless communication module, use
In the switch for controlling the wireless communication module.
5. a kind of method communicated based on micro-grid system described in any one of Claims 1-4, which is characterized in that
Include:
Grid equipment detects the data transmission bauds of bus and the data transmission bauds of attachable wireless network；
The communication network for selecting data transmission bauds high is as the communication network carried out data transmission；
Communication network based on selection carries out data transmission.
6. according to the method described in claim 5, it is characterized in that, the mistake carried out data transmission in the communication network based on selection
Cheng Zhong, comprising:
The grid equipment receives data, and whether the data transmission bauds of the communication network detected and selected reaches pre-set velocity threshold
Value；
In the case where determining not up to pre-set velocity threshold value, the selected communication network is assessed；
In the case where assessment passes through, continues through the selected communication network and carry out data transmission；
In the case where assessing unsanctioned situation, communication network is reselected.
7. according to the method described in claim 6, it is characterized in that, to the selected communication network carry out assessment include:
Within a preset time, whether data transmission bauds is all not up to pre-set velocity threshold value for detection；
If all do not passed through, it is determined that assessment does not pass through；
If data transmission bauds is promoted to the pre-set velocity threshold value in the preset time, it is determined that assessment passes through.
8. according to the method described in claim 5, it is characterized in that, the mistake carried out data transmission in the communication network based on selection
Cheng Zhong, comprising:
It detects in the data frame number received within a predetermined period of time and wrong frame number shared by wrong frame number the interactive terminal
Ratio；
Shared ratio within a preset range when, carried out data transmission by the selected communication network；
When shared ratio exceeds preset range, the interactive terminal controls not used wireless communication module and is in opening state
State, to increase cordless communication network.
9. a kind of network equipment, comprising: memory, processor and storage are on a memory and the calculating that can run on a processor
Machine program, which is characterized in that the processor is realized described in any one of claim 5 to 8 when executing the computer program
The step of method.
10. a kind of non-volatile computer readable storage medium storing program for executing, is stored thereon with computer program, which is characterized in that the meter
The step of any one of claim 5 to 8 the method is realized when calculation machine program is executed by processor.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114089260A (en) * | 2021-11-15 | 2022-02-25 | 珠海格力电器股份有限公司 | Electric quantity measurement correction method and device and micro-grid system |
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