CN114915022B - Wireless communication method and system for intelligent power distribution network - Google Patents

Wireless communication method and system for intelligent power distribution network Download PDF

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Publication number
CN114915022B
CN114915022B CN202210448489.3A CN202210448489A CN114915022B CN 114915022 B CN114915022 B CN 114915022B CN 202210448489 A CN202210448489 A CN 202210448489A CN 114915022 B CN114915022 B CN 114915022B
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power grid
data
equipment
subareas
power
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CN114915022A (en
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李炳森
王成山
解利冬
李彦哲
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Tianjin University
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Tianjin University
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00006Circuit 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
    • H02J13/00022Circuit 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00002Circuit 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 monitoring
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/20Network architectures or network communication protocols for network security for managing network security; network security policies in general
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q9/00Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S40/00Systems 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
    • Y04S40/12Systems 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
    • Y04S40/126Systems 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a wireless communication method and a wireless communication system for an intelligent power distribution network, which relate to the technical field of wireless communication and solve the technical problems that the prior art cannot ensure the high-efficiency transmission and the safety of related data in the intelligent power distribution network in the data transmission process, so that the data of a power grid is lost and leaked; according to the invention, the terminal nodes are reasonably configured for the power grid region, the power grid data corresponding to the power grid sub-region are collected and temporarily stored through the terminal nodes, and when the terminal nodes receive the data receiving signals, the internal storage space is cleaned, so that the data transmission amount can be reduced, and the safety of the power grid data is improved; when abnormal power grid equipment exists in a power grid subarea, the central control module analyzes the environmental data of the abnormal power grid equipment to judge whether the environmental data affects the power grid equipment, pre-warns surrounding power grid equipment according to an analysis result, and dispatches staff to maintain and overhaul so as to fully utilize the power grid data.

Description

Wireless communication method and system for intelligent power distribution network
Technical Field
The invention belongs to the field of wireless communication, relates to a wireless communication technology of an intelligent power distribution network, and particularly relates to a wireless communication method and system of the intelligent power distribution network.
Background
Compared with the traditional wired communication technology, the wireless communication technology has the characteristics of flexibility, convenience and low cost, and is widely and widely applied to intelligent power distribution networks. The wireless communication technology improves the problems of weak signals and low safety in the intelligent power distribution network to a certain extent, and plays a positive role in the construction of the intelligent power distribution network.
The prior art (the invention patent with publication number of CN 104683323A) discloses a wireless communication system of an intelligent power distribution network based on a hybrid protocol, which can realize self-management, self-configuration and self-optimization functions of the wireless communication system and meet the requirements of remote signaling, remote measurement and remote control of the intelligent power distribution network. In the data transmission process, the prior art cannot ensure the high-efficiency transmission and safety of related data in the intelligent power distribution network, so that the loss and leakage of power grid data are caused; therefore, a method and a system for wireless communication of a smart distribution network are needed.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art; therefore, the invention provides a wireless communication method and a wireless communication system for an intelligent power distribution network, which are used for solving the technical problem that the prior art cannot ensure the high-efficiency transmission and the safety of related data in the intelligent power distribution network in the data transmission process, so that the data of the power grid is lost and leaked.
According to the intelligent power grid management system, the terminal nodes are reasonably configured for the power grid area, the power grid data corresponding to the power grid subareas are collected and temporarily stored through the terminal nodes, the power grid data are sent to the intelligent gateway in combination with the equipment state, when the terminal nodes receive the data receiving signals, the internal storage space is cleaned, the data sending amount can be reduced, and the safety of the power grid data is improved.
In order to achieve the above object, a first aspect of the present invention provides a wireless communication system for an intelligent power distribution network, including a central control module, an intelligent gateway and a plurality of terminal nodes, where the central control module is in communication and/or electrical connection with the intelligent gateway, and the intelligent gateway is in wireless connection with the plurality of terminal nodes;
and the central control module is used for: dividing a power grid area into a plurality of power grid subareas, and configuring authorized terminal nodes for the power grid subareas; and
carrying out recognition and early warning on the abnormality of the power grid equipment by combining the environment data and the equipment state, recognizing and analyzing the power grid data at the same time, and generating a data receiving signal;
terminal node: collecting and temporarily storing power grid data corresponding to the power grid subareas; wherein the grid data includes power data, equipment data, and environmental data; and
acquiring equipment states according to the equipment data, and transmitting the power grid data to the intelligent gateway in combination with the equipment states; and cleaning the storage space according to the data receiving signal.
Preferably, the central control module analyzes the power grid area, divides the power grid area into a plurality of power grid subareas according to an analysis result, and includes:
acquiring the power grid area;
and carrying out environment recognition or administrative region recognition on the power grid region, and dividing the power grid region into a plurality of power grid subregions according to recognition results.
Preferably, the terminal nodes are configured for a plurality of power grid subareas through the central control module; and the terminal node performs data interaction with the intelligent gateway after authorization.
Preferably, the terminal node collects and processes the grid data corresponding to the grid sub-area, including:
collecting the power grid data of the power grid subareas in real time or at fixed time;
performing data pre-analysis on the power grid data to judge whether abnormal data exists in the power grid data;
and when the abnormal data does not exist in the power grid data, encrypting and storing the power grid data.
Preferably, the pre-analyzing the device data by the terminal node, to obtain the device state corresponding to the power grid sub-area, includes:
and extracting and analyzing the equipment data through a machine learning algorithm, and marking and integrating the abnormal power grid equipment according to an analysis result to generate the equipment state.
Preferably, when the equipment state of the power grid subarea is normal, the equipment state and the power data are sent to the intelligent gateway; otherwise, the power grid data are all sent to the intelligent gateway.
Preferably, the central control module analyzes the integrity of the power grid data;
and automatically generating the data receiving signals and sending the data receiving signals to the corresponding terminal nodes after the integrity analysis of the power grid data is qualified.
The second aspect of the invention provides a wireless communication method of an intelligent power distribution network, which comprises the following steps:
acquiring and temporarily storing power grid data corresponding to the power grid subareas through authorized terminal nodes; acquiring equipment states according to the equipment data in the power grid data, and transmitting the power grid data to the intelligent gateway in combination with the equipment states;
the central control module is used for identifying and early warning the abnormality of the power grid equipment by combining the environment data and the equipment state, identifying and analyzing the power grid data and generating a data receiving signal; and the terminal node completes the cleaning of the storage space according to the received data receiving signals.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the intelligent power grid management system, the terminal nodes are reasonably configured for the power grid area, the power grid data corresponding to the power grid subareas are collected and temporarily stored through the terminal nodes, the power grid data are sent to the intelligent gateway in combination with the equipment state, when the terminal nodes receive the data receiving signals, the internal storage space is cleaned, the data sending amount can be reduced, and the safety of the power grid data is improved.
2. When abnormal power grid equipment exists in a power grid subarea, the central control module analyzes the environmental data of the abnormal power grid equipment to judge whether the environmental data affects the power grid equipment, pre-warns surrounding power grid equipment according to an analysis result, and dispatches staff to maintain and overhaul so as to fully utilize the power grid data.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the working steps of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The prior art (the invention patent with publication number of CN 104683323A) discloses a wireless communication system of an intelligent power distribution network based on a hybrid protocol, which can realize self-management, self-configuration and self-optimization functions of the wireless communication system and meet the requirements of remote signaling, remote measurement and remote control of the intelligent power distribution network. In the data transmission process of the prior art, high-efficiency transmission and safety of related data in the intelligent power distribution network cannot be guaranteed, and loss and leakage of power grid data are easy to cause.
According to the intelligent power grid management system, the terminal nodes are reasonably configured for the power grid area, the power grid data corresponding to the power grid subareas are collected and temporarily stored through the terminal nodes, the power grid data are sent to the intelligent gateway in combination with the equipment state, when the terminal nodes receive the data receiving signals, the internal storage space is cleaned, the data sending amount can be reduced, and the safety of the power grid data is improved.
Referring to fig. 1, an embodiment of a first aspect of the present application provides a wireless communication system for an intelligent power distribution network, including a central control module, an intelligent gateway and a plurality of terminal nodes, where the central control module is in communication and/or electrical connection with the intelligent gateway, and the intelligent gateway is in wireless connection with the plurality of terminal nodes;
and the central control module is used for: dividing a power grid area into a plurality of power grid subareas, and configuring authorized terminal nodes for the power grid subareas; the method comprises the steps of carrying out recognition and early warning on the abnormality of power grid equipment by combining environment data and equipment states, recognizing and analyzing power grid data, and generating a data receiving signal;
terminal node: acquiring and temporarily storing power grid data corresponding to the power grid subareas; acquiring equipment states according to the equipment data, and transmitting power grid data to the intelligent gateway in combination with the equipment states; and cleaning the storage space according to the data receiving signal.
The central control module in the application is equivalent to a central server and is used for overall grid data acquisition and analysis of a grid region. The terminal nodes are feeder terminal devices with data processing capability, each power grid subarea at least corresponds to one feeder terminal device, and the terminal nodes are particularly responsible for power grid data acquisition of the corresponding areas.
The central control module in the application analyzes the power grid area, divides the power grid area into a plurality of power grid subareas according to analysis results, and comprises:
and acquiring a power grid region, carrying out environment recognition or administrative region recognition on the power grid region, and dividing the power grid region into a plurality of power grid subregions according to recognition results.
The central control module receives the power grid region through an intelligent terminal (a smart phone or a computer), and performs recognition analysis on the power grid region and divides the power grid region into a plurality of power grid subregions. The above scheme provides two recognition modes, namely, the recognition analysis is carried out on the environment of the power grid region to divide the power grid region into power grid subareas, for example, the recognition of the complex environment of the power grid region is inconvenient for carrying out data transmission through wires, the region is used as a power grid subarea, or the recognition of the regions of the power grid region, where certain environments can be used for power grid equipment and data transmission, is carried out; secondly, the power grid areas are identified and divided according to the administrative areas, village groups, administrative villages or villages and towns are used as power grid subareas, and the power grid data of each administrative area can be defined, so that the power grid data can be identified and analyzed more accurately.
It should be noted that, whether the grid subareas are obtained according to the environment recognition or the administrative area recognition, all areas in the grid area are not required to be divided into the grid subareas, that is, the sum of the grid areas is larger than a plurality of grid subareas; if there are places in the grid area where there are no grid devices (electricity meters, substations, etc.), then these places need not be included in the divided grid sub-areas. The power grid area is reasonably divided, so that the data transmission quantity can be reduced, and the data transmission efficiency and accuracy are improved.
Terminal nodes are configured for a plurality of power grid subareas through a central control module; and the terminal node performs data interaction with the intelligent gateway after authorization. After dividing the power grid area into a plurality of power grid subareas, terminal nodes need to be configured for the power grid subareas, and power grid data are acquired and transmitted through the terminal nodes corresponding to the power grid subareas.
It can be understood that the same power grid subarea can be configured with a plurality of terminal nodes which cooperate with each other, the terminal nodes are not necessarily reset, and the transmission relation of the original terminal nodes can be modified according to the power grid subareas, so that the terminal nodes can be configured in time according to administrative areas or environments, and the cost can be effectively reduced.
The terminal node of the application collects and processes the power grid data corresponding to the power grid subareas, and comprises:
collecting power grid data of a power grid subarea in real time or at fixed time;
performing data pre-analysis on the power grid data to judge whether abnormal data exists in the power grid data; and when the abnormal data does not exist in the power grid data, encrypting and storing the power grid data.
And the acquisition time of the power grid data is determined according to a set rule. When a certain power grid subarea is very important, the power grid data of the power grid subarea can be collected in real time, otherwise, the power grid data of the power grid subarea can be collected at fixed time.
After the terminal node collects the power grid data, the power grid data needs to be pre-analyzed. The pre-analysis essence is to analyze the equipment data and judge whether the corresponding power grid equipment is abnormal or not; and analyzing the states of the power grid equipment in the power grid subarea according to the equipment data, and integrating to generate equipment states, namely, the equipment states comprise state labels of all the power grid equipment in the power grid subarea.
In the application, the terminal node pre-analyzes the equipment data to obtain the equipment state of the corresponding power grid subarea, and the method comprises the following steps:
and extracting and analyzing the equipment data through a machine learning algorithm, and carrying out mark integration on abnormal power grid equipment according to an analysis result to generate equipment states.
The machine learning algorithm mainly extracts and classifies the equipment data to judge whether the power grid equipment is normal or not; and marking the abnormal power grid equipment by marking and integrating the abnormal power grid equipment, so that corresponding data can be extracted and processed later.
In the method, when all the power grid equipment states in the power grid subareas are normal, the acquired equipment states and power data in the power grid data are sent to an intelligent gateway and then forwarded to a central control module; when the state of the power grid equipment is abnormal, all data in the power grid data still need to be sent to the intelligent gateway so that the central control module can further analyze the power grid data.
The environment data in the power grid data are used for assisting in identifying the abnormality of the power grid equipment, and when the equipment state is abnormal, the equipment state and the power data are only required to be sent to the intelligent gateway without being sent to the intelligent gateway. Therefore, in most cases, only equipment state and power data are required to be sent, so that the data sending quantity is reduced, and the influence of a large amount of redundant data on the data processing efficiency of the central control module is avoided.
In the method, when the equipment state of the power grid subarea is normal, the equipment state and the power data are sent to the intelligent gateway; otherwise, the power grid data are all sent to the intelligent gateway.
Preferably, the central control module analyzes the integrity of the power grid data;
and automatically generating a data receiving signal and sending the data receiving signal to a corresponding terminal node after the integrity analysis of the power grid data is qualified.
After the central control module receives the power grid data, judging the power grid data according to a set rule (for judging the integrity of the power grid data), and if the received power grid data is complete, automatically generating a data receiving signal and sending the data receiving signal to a corresponding terminal node; if the received grid data is incomplete, a remedial strategy is implemented, such as signaling to require the corresponding terminal node to retransmit the grid data.
After the terminal node receives the data receiving signal sent by the central control module, the temporarily stored power grid data is cleaned, and leakage caused by the fact that the power grid data is read by other people while the power grid data is accurately received by the central control module is avoided.
The central control module further combines the environment data with the equipment state to analyze the abnormality of the power grid equipment, namely, acquires the power grid equipment with abnormal state, analyzes the environment data (compares the environment data with the standard environment data of the power grid equipment) and judges whether the equipment is abnormal due to the abnormality of the working environment. If the state of the power grid equipment is abnormal due to the environmental data, dispatching a worker to overhaul and maintain the power grid equipment, and identifying and early warning surrounding power grid subareas or power grid equipment to avoid that more power grid equipment is affected by the environment.
An embodiment of a second aspect of the present application provides a wireless communication method for an intelligent power distribution network, including:
acquiring and temporarily storing power grid data corresponding to the power grid subareas through authorized terminal nodes; acquiring equipment states according to equipment data in the power grid data, and transmitting the power grid data to an intelligent gateway by combining the equipment states;
the central control module is used for identifying and early warning the abnormality of the power grid equipment by combining the environment data and the equipment state, identifying and analyzing the power grid data and generating a data receiving signal; and the terminal node completes the cleaning of the storage space according to the received data receiving signals.
One of the key points of the application is as follows: after the terminal node collects the power grid data, the equipment data in the power grid data are subjected to pre-analysis, the power grid data to be transmitted are judged according to the pre-analysis result, meanwhile, the storage space is cleaned according to the received data receiving signals, so that the data transmission quantity can be reduced, and the safety of the power grid data can be ensured.
Second, the key point of the application is: when abnormal power grid equipment exists in the power grid subarea, the central control module analyzes the environmental data of the abnormal power grid equipment to judge whether the environmental data affects the power grid equipment, early warning is carried out on surrounding power grid equipment according to an analysis result, and meanwhile, workers are dispatched to carry out maintenance and overhaul, so that the full utilization of the power grid data is realized.
The working principle of the invention is as follows:
acquiring and temporarily storing power grid data corresponding to the power grid subareas through authorized terminal nodes; and acquiring equipment states according to the equipment data in the power grid data, and transmitting the power grid data to the intelligent gateway in combination with the equipment states.
The central control module is used for identifying and early warning the abnormality of the power grid equipment by combining the environment data and the equipment state, identifying and analyzing the power grid data and generating a data receiving signal; and the terminal node completes the cleaning of the storage space according to the received data receiving signals.
The above embodiments are only for illustrating the technical method of the present invention and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present invention may be modified or substituted without departing from the spirit and scope of the technical method of the present invention.

Claims (2)

1. The utility model provides an intelligent power distribution network wireless communication system, includes well accuse module, intelligent gateway and a plurality of terminal node, well accuse module with intelligent gateway communication and/or electrical connection, intelligent gateway and a plurality of terminal node wireless connection, its characterized in that:
and the central control module is used for: dividing a power grid area into a plurality of power grid subareas, and configuring authorized terminal nodes for the power grid subareas; and
carrying out recognition and early warning on the abnormality of the power grid equipment by combining the environment data and the equipment state, recognizing and analyzing the power grid data at the same time, and generating a data receiving signal;
terminal node: collecting and temporarily storing power grid data corresponding to the power grid subareas; wherein the grid data includes power data, equipment data, and environmental data; and
acquiring equipment states according to the equipment data, and transmitting the power grid data to the intelligent gateway in combination with the equipment states; cleaning a storage space according to the data receiving signals;
the terminal node collecting and processing the power grid data corresponding to the power grid subarea, including:
collecting the power grid data of the power grid subareas in real time or at fixed time;
performing data pre-analysis on the power grid data to judge whether abnormal data exists in the power grid data;
when no abnormal data exists in the power grid data, encrypting and storing the power grid data;
the terminal node pre-analyzes the equipment data to obtain the equipment state corresponding to the power grid subarea, and the method comprises the following steps:
extracting and analyzing the equipment data through a machine learning algorithm, and carrying out mark integration on the abnormal power grid equipment according to an analysis result to generate the equipment state;
when the equipment state of the power grid subarea is normal, the equipment state and the power data are sent to the intelligent gateway; otherwise, the power grid data are all sent to the intelligent gateway;
the central control module analyzes the power grid region, divides the power grid region into a plurality of power grid subareas according to analysis results, and comprises the following steps:
acquiring the power grid area;
performing environment recognition or administrative region recognition on the power grid region, and dividing the power grid region into a plurality of power grid subregions according to recognition results;
configuring the terminal nodes for a plurality of power grid subareas through the central control module; the terminal node performs data interaction with the intelligent gateway after authorization;
the central control module analyzes the integrity of the power grid data;
when the integrity analysis of the power grid data is qualified, automatically generating the data receiving signals and sending the data receiving signals to the corresponding terminal nodes;
the central control module analyzes the environmental data of the abnormal power grid equipment to judge whether the environmental data affects the power grid equipment, pre-warns surrounding power grid equipment according to an analysis result, and meanwhile dispatches staff to maintain and overhaul.
2. A smart distribution network wireless communication method operating based on the smart distribution network wireless communication system of claim 1, comprising:
acquiring and temporarily storing power grid data corresponding to the power grid subareas through authorized terminal nodes; acquiring equipment states according to the equipment data in the power grid data, and transmitting the power grid data to the intelligent gateway in combination with the equipment states;
the central control module is used for identifying and early warning the abnormality of the power grid equipment by combining the environment data and the equipment state, identifying and analyzing the power grid data and generating a data receiving signal; and the terminal node completes the cleaning of the storage space according to the received data receiving signals.
CN202210448489.3A 2022-04-26 2022-04-26 Wireless communication method and system for intelligent power distribution network Active CN114915022B (en)

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Publication number Priority date Publication date Assignee Title
CN105911908A (en) * 2016-04-26 2016-08-31 乐视控股(北京)有限公司 Intelligent gateway equipment and intelligent monitoring system
CN110851081A (en) * 2019-11-06 2020-02-28 深圳传音控股股份有限公司 Method and device for safely cleaning storage space and computer readable storage medium
CN112769235A (en) * 2020-12-28 2021-05-07 深圳供电局有限公司 Index monitoring system and method for power distribution network grid
CN112330946A (en) * 2021-01-07 2021-02-05 航天宏图信息技术股份有限公司 Power grid platform data communication method, power grid data transmission method, device and system
CN113555959A (en) * 2021-06-07 2021-10-26 力源电力设备股份有限公司 Intelligent power distribution cloud management system and method
CN113391567A (en) * 2021-06-25 2021-09-14 贵州长通电气有限公司 Intelligent control mechanism based on Internet of things

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