CN117424341A - Table area distributed photovoltaic power generation control system and photovoltaic power generation information communication method - Google Patents
Table area distributed photovoltaic power generation control system and photovoltaic power generation information communication method Download PDFInfo
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- CN117424341A CN117424341A CN202311357808.0A CN202311357808A CN117424341A CN 117424341 A CN117424341 A CN 117424341A CN 202311357808 A CN202311357808 A CN 202311357808A CN 117424341 A CN117424341 A CN 117424341A
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- 238000004891 communication Methods 0.000 title claims abstract description 159
- 238000010248 power generation Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims description 42
- 238000004590 computer program Methods 0.000 claims description 17
- 238000011217 control strategy Methods 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 6
- 230000004927 fusion Effects 0.000 claims description 6
- 238000004128 high performance liquid chromatography Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000006855 networking Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000009826 distribution Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012876 topography Methods 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
- 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
- H02J13/00007—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 the power network as support for the transmission
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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
- H02J13/00004—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 power network being locally controlled
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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
- H02J13/00022—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 wireless data transmission
-
- 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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- 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
- H02J2213/00—Indexing scheme relating to details of circuit arrangements for providing remote indication of network conditions of for circuit arrangements for providing remote control of switching means in a power distribution network
- H02J2213/10—Indexing scheme relating to details of circuit arrangements for providing remote indication of network conditions of for circuit arrangements for providing remote control of switching means in a power distribution network using simultaneously two or more different transmission 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
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a station area type photovoltaic power generation control system and a photovoltaic power generation information communication method. Data transmission is realized between the intelligent convergence terminal of the station area and the photovoltaic of the station area through two communication modes of high-speed broadband carrier and high-speed wireless communication, so that a dual-mode communication mode which takes advantage of the shortages and merges with each other is realized, and a corresponding communication mode can be preferentially selected according to specific environments.
Description
Technical Field
The invention relates to a distributed photovoltaic power generation control technology, in particular to a station area type photovoltaic power generation control system and a photovoltaic power generation information communication method.
Background
With the large-scale distributed photovoltaic access, the power distribution network is rapidly changed into a high-proportion new energy and high-proportion power electronic double-high mode, the local power distribution network is gradually increased in the consumption and grid-connected service pressure, meanwhile, the electric energy quality problems such as voltage and harmonic waves and the power balance problem are brought, and the safety and stability operation and the maintenance operation safety of the power distribution network are influenced.
With the development of a novel power system, particularly the continuous improvement of the communication technical requirement of a modern smart distribution network on an access network, two forms of signal transmission are generally adopted, one form is that a power line carrier is adopted for signal transmission, the communication is not influenced by factors such as topography, angles and shielding, and the like, and the disadvantage is that the communication is easily influenced by complex power line environments, particularly the communication performance is obviously reduced under certain special scenes and businesses; the other is to adopt micropower wireless communication, and has the advantages of small construction amount, relatively high communication speed, relatively good real-time performance and stability, and the defect that constant transmission performance cannot be ensured due to environmental limitations such as transmitting power, building blocking and the like. Therefore, how to improve the stability and instantaneity of data communication of the existing distributed photovoltaic becomes a problem to be solved urgently.
Disclosure of Invention
The invention aims to: aiming at the problems, the invention provides a station area distributed photovoltaic power generation control system and a photovoltaic power generation information communication method, wherein data transmission is realized between a station area intelligent fusion terminal and a station area distributed photovoltaic through two communication modes of high-speed broadband carrier and high-speed wireless communication, so that a dual-mode communication mode which is complementary to the advantages and mutually fused is realized, and the corresponding communication mode can be preferentially selected according to specific environments.
The technical scheme is as follows: the technical scheme adopted by the invention is a platform area distributed photovoltaic power generation control system, which comprises a platform area intelligent fusion terminal and a distributed photovoltaic inverter, wherein the distributed photovoltaic inverter comprises a photovoltaic core processing unit and a dual-mode communication unit tail end, and the photovoltaic core processing unit is used for controlling and processing data of the photovoltaic inverter; the tail end of the dual-mode communication unit is embedded in the distributed photovoltaic inverter and is used for transmitting distributed photovoltaic data information and receiving control tasks, and the tail end of the dual-mode communication unit is provided with two communication modes of wireless communication RF and broadband carrier communication HPLC; the intelligent integration terminal of the transformer area is deployed on the transformer side of the transformer area and comprises a terminal core processing unit and a dual-mode communication unit head end, wherein the terminal core processing unit is used for processing distributed photovoltaic data information and generating a control strategy; the dual-mode communication unit head end is embedded in the intelligent fusion terminal of the platform region and is used for receiving the distributed photovoltaic data information and sending control tasks, and the dual-mode communication unit head end is provided with two communication modes of wireless communication RF and broadband carrier communication HPLC.
The dual-mode communication unit tail end comprises: the tail end wireless communication module is used for providing a micropower wireless communication mode; the tail end broadband carrier communication module is used for providing a broadband carrier communication mode; the photovoltaic core processing unit is respectively connected with the tail end wireless communication module and the tail end broadband carrier communication module so as to realize the transmission of photovoltaic power generation data information and the receiving control task through wireless signals and carrier signals.
The dual mode communication unit headend includes: the head-end wireless communication module is used for providing a micropower wireless communication mode; the head-end broadband carrier communication module is used for providing a broadband carrier communication mode; the terminal core processing unit is respectively connected with the head-end wireless communication module and the head-end broadband carrier communication module to receive photovoltaic power generation data information and send control tasks through wireless signals and carrier signals.
The terminal core processing unit formulates a control strategy according to the electric information and the photovoltaic power generation information of the platform area side; and the terminal core processing unit transmits a control task to the photovoltaic core processing unit through the dual-mode communication unit.
The invention provides a photovoltaic power generation information communication method, which is applied to the station area division type photovoltaic power generation control system, when the signal intensity difference between the head-end wireless communication module and the head-end broadband carrier communication module is smaller than a threshold value, a broadband carrier communication mode is adopted for communication, otherwise, a communication mode with high signal intensity is selected for relevant data information and control task transmission.
The photovoltaic core processing unit compares the data A with the data B, and discards one part of the data if the data A is repeated; if different, all data processing is performed.
When communication is abnormal, the tail end of the dual-mode communication unit is disconnected, and data is transmitted to the head end of the dual-mode communication unit through the communication connection of the standby transmission unit.
When the networking unit judges that the RF channel occupies, the communication is converted into a broadband carrier communication mode for communication.
The invention also provides computer equipment, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the photovoltaic power generation information communication method when executing the computer program.
The invention also provides a computer readable storage medium, on which a computer program is stored, which when being executed by a processor, implements the photovoltaic power generation information communication method.
The beneficial effects are that: compared with the prior art, the invention has the following advantages: according to the invention, data transmission is realized between the intelligent convergence terminal of the station area and the photovoltaic of the station area through two communication modes of high-speed broadband carrier and high-speed wireless communication, so that a dual-mode communication mode which is complementary to the long-term and short-term and is mutually converged is realized, and the corresponding communication mode can be preferentially selected according to specific environments.
Drawings
Fig. 1 is a schematic diagram of a station-area distributed photovoltaic power generation control system based on dual-mode communication.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
The platform area division type photovoltaic power generation control system comprises a platform area intelligent fusion terminal and a distributed photovoltaic inverter.
The station area distributed photovoltaic inverter 200 is deployed on a low-voltage line in a station area and comprises a photovoltaic core processing unit 201 and a dual-mode communication unit tail end 203, wherein the core processing unit 201 is used for controlling and processing data of the photovoltaic inverter; the tail end 203 of the dual-mode communication unit is provided with two communication modes of wireless communication (RF) and broadband carrier communication (HPLC) so as to realize transmission of distributed photovoltaic data information, and the tail end 203 of the dual-mode communication unit is embedded in the distributed photovoltaic inverter;
the intelligent fusion terminal 100 of the transformer area is deployed on the transformer side of the transformer area and comprises a terminal core processing unit 101 and a dual-mode communication unit head end 103, wherein the terminal core processing unit 101 is used for data processing and photovoltaic control strategy generation; the dual-mode communication unit headend 103 is provided with two communication modes of wireless communication (RF) and broadband carrier communication (HPLC), and the dual-mode communication unit headend 103 is embedded in the intelligent convergence terminal 100.
The dual mode communication unit tail 203 includes: a tail end wireless communication module 2031 for providing a micropower wireless communication mode; a tail end broadband carrier communication module 2032 for providing broadband carrier communication means. The photovoltaic core processing unit 201 is connected with the tail end wireless communication module 2031 and the tail end broadband carrier communication module 2032 respectively to realize the transmission of photovoltaic power generation data information and the reception control task through wireless signals and carrier signals.
The dual mode communication unit headend 103 includes: a headend wireless communication module 1031 for providing a micropower wireless communication; a head-end broadband carrier communication module 1032 for providing broadband carrier communication means. The terminal core processing unit 101 is connected to the head-end wireless communication module 1031 and the head-end broadband carrier communication module 1032 respectively, so as to receive photovoltaic power generation data information and transmit control tasks through wireless signals and carrier signals.
The terminal core processing unit 101 establishes a control strategy according to the relevant electrical information and photovoltaic power generation information of the platform side; the terminal core processing unit 101 transmits control tasks to the distributed photovoltaic via the dual mode communication unit 103.
According to the photovoltaic power generation information communication method, a terminal core processing unit 101 selects a proper communication mode (a wireless communication module or a broadband carrier communication module) according to the signal intensity of the wireless communication module 1021 and the broadband carrier communication module 1022 to transmit related data information and control tasks. And when the signal intensity difference between the head-end wireless communication module and the head-end broadband carrier communication module is smaller than a threshold value, adopting a broadband carrier communication mode to communicate, otherwise, selecting a communication mode with high signal intensity to transmit related data information and control tasks.
The data received from the tail wireless communication module control bus 202l is compared with the data received from the tail broadband carrier communication module control bus 2022, and if the two types of data are repeated, discarding the two types of data; if the data are different, the data processing is executed.
When communication is abnormal, the tail end of the dual-mode communication unit is disconnected, and data is transmitted to the head end of the dual-mode communication unit through the communication connection of the standby transmission unit.
When the networking unit judges that the RF channel occupies, the communication is converted into a broadband carrier communication mode for communication.
In one embodiment, a computer device is provided that includes a memory, a processor, and a computer program stored on the memory and executable on the processor, the processor implementing the above-described photovoltaic power generation information communication method when executing the computer program.
In one embodiment, a computer readable storage medium is provided, on which a computer program is stored, which when executed by a processor, implements the above-described photovoltaic power generation information communication method.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Claims (10)
1. A station area division type photovoltaic power generation control system is characterized in that: the intelligent integration system comprises a platform area intelligent integration terminal and a distributed photovoltaic inverter, wherein the distributed photovoltaic inverter comprises a photovoltaic core processing unit and a dual-mode communication unit tail end, and the photovoltaic core processing unit is used for controlling and processing data of the photovoltaic inverter; the tail end of the dual-mode communication unit is embedded in the distributed photovoltaic inverter and is used for transmitting distributed photovoltaic data information and receiving control tasks, and the tail end of the dual-mode communication unit is provided with two communication modes of wireless communication RF and broadband carrier communication HPLC; the intelligent integration terminal of the transformer area is deployed on the transformer side of the transformer area and comprises a terminal core processing unit and a dual-mode communication unit head end, wherein the terminal core processing unit is used for processing distributed photovoltaic data information and generating a control strategy; the dual-mode communication unit head end is embedded in the intelligent fusion terminal of the platform region and is used for receiving the distributed photovoltaic data information and sending control tasks, and the dual-mode communication unit head end is provided with two communication modes of wireless communication RF and broadband carrier communication HPLC.
2. The district distributed photovoltaic power generation control system of claim 1 wherein the dual mode communication unit tail comprises: the tail end wireless communication module is used for providing a micropower wireless communication mode; the tail end broadband carrier communication module is used for providing a broadband carrier communication mode; the photovoltaic core processing unit is respectively connected with the tail end wireless communication module and the tail end broadband carrier communication module so as to realize the transmission of photovoltaic power generation data information and the receiving control task through wireless signals and carrier signals.
3. The district distributed photovoltaic power generation control system of claim 1 wherein: the dual mode communication unit headend includes: the head-end wireless communication module is used for providing a micropower wireless communication mode; the head-end broadband carrier communication module is used for providing a broadband carrier communication mode; the terminal core processing unit is respectively connected with the head-end wireless communication module and the head-end broadband carrier communication module to receive photovoltaic power generation data information and send control tasks through wireless signals and carrier signals.
4. The district distributed photovoltaic power generation control system of claim 3 wherein: the terminal core processing unit formulates a control strategy according to the electric information and the photovoltaic power generation information of the platform area side; and the terminal core processing unit transmits a control task to the photovoltaic core processing unit through the dual-mode communication unit.
5. A photovoltaic power generation information communication method applied to the district distributed photovoltaic power generation control system of claim 1, characterized in that: and when the signal intensity difference between the head-end wireless communication module and the head-end broadband carrier communication module is smaller than a threshold value, adopting a broadband carrier communication mode to communicate, otherwise, selecting a communication mode with high signal intensity to transmit related data information and control tasks.
6. The photovoltaic power generation information communication method according to claim 5, characterized in that: the photovoltaic core processing unit compares the data A with the data B, and discards one part of the data if the data A is repeated; if different, all data processing is performed.
7. The photovoltaic power generation information communication method according to claim 5, characterized in that: when communication is abnormal, the tail end of the dual-mode communication unit is disconnected, and data is transmitted to the head end of the dual-mode communication unit through the communication connection of the standby transmission unit.
8. The photovoltaic power generation information communication method according to claim 5, characterized in that: when the networking unit judges that the RF channel occupies, the communication is converted into a broadband carrier communication mode for communication.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the photovoltaic power generation information communication method of any of claims 5-8 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed by a processor, implements the photovoltaic power generation information communication method of any one of claims 5 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311357808.0A CN117424341A (en) | 2023-10-19 | 2023-10-19 | Table area distributed photovoltaic power generation control system and photovoltaic power generation information communication method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311357808.0A CN117424341A (en) | 2023-10-19 | 2023-10-19 | Table area distributed photovoltaic power generation control system and photovoltaic power generation information communication method |
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| CN117424341A true CN117424341A (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311357808.0A Pending CN117424341A (en) | 2023-10-19 | 2023-10-19 | Table area distributed photovoltaic power generation control system and photovoltaic power generation information communication method |
Country Status (1)
| Country | Link |
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| CN (1) | CN117424341A (en) |
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2023
- 2023-10-19 CN CN202311357808.0A patent/CN117424341A/en active Pending
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