CN116317117A - A distribution network management system - Google Patents

Abstract

The application provides a management system of distribution network includes: the power distribution network main station platform, the edge computing terminal, the perception terminal and the communication module, wherein the edge computing terminal monitors each power device of the power distribution network main station by adopting the edge computing technology, so that a plurality of monitoring results are obtained, operation data of each power device are collected, the perception terminal is used for collecting perception data of each power utilization infrastructure in the power distribution network main station, the communication module is respectively in communication connection with the power distribution network main station platform, the edge computing terminal and the perception terminal, and the communication terminal is used for transmitting the operation data of each power device, the monitoring results and the perception data of each power utilization infrastructure in the power distribution network main station to the power distribution network main station platform. The communication terminal can realize the mutual communication of the power distribution network main station platform, the edge computing terminal and the perception terminal, thereby improving the working efficiency of operators.

Description

A distribution network management system

technical field

The present application relates to the technical field of distribution network, in particular to a management system of distribution network.

Background technique

With the gradual improvement of people's living conditions, the reliability of power supply has become more and more important. The power industry is the pillar of urban development, so the backwardness of the power industry will seriously limit the overall progress of the city, and the construction of urban distribution networks will become more and more important. As intelligence gradually enters people's lives, it brings more convenience to people. In the existing technology, the data of the distribution network is collected manually by the operator, and then the operator manually collects the data and then inputs the data into the distribution network, which wastes a lot of time of the operator, so there is an urgent need for automatic data acquisition device to reduce the workload of operators.

Contents of the invention

In order to solve the above-mentioned technical problems, the present application is proposed. The embodiment of the present application provides a distribution network management system, which solves the problem of relying on operators to input data into the distribution network in the prior art.

According to one aspect of the present application, a distribution network management system is provided, including:

Distribution network master station platform;

An edge computing terminal, where the edge computing terminal uses edge computing technology to monitor each electric device of the master station of the distribution network, so as to obtain multiple monitoring results and collect the operation data of each electric device;

A sensing terminal, the sensing terminal is used to collect the sensing data of each power consumption infrastructure in the master station of the distribution network; and

A communication module, the communication module is connected to the main station platform of the distribution network, the edge computing terminal and the sensing terminal respectively, and the communication terminal is used to transfer the operation data of each electric equipment, the A plurality of monitoring results and the sensing data of each power consumption infrastructure in the distribution network master station are transmitted to the distribution network master station platform.

In one embodiment, the communication module includes a remote communication network, the remote communication network is composed of an optical fiber, a wireless private network, and a wireless public network, and the remote communication network is used to communicate and connect the edge computing terminal and the configuration Grid master platform.

In an embodiment, the communication module includes a core communication network, the core communication network is composed of 4G technology and broadband power line carrier, and the core communication network is used to communicate and connect the edge computing terminal and the sensing terminal.

In one embodiment, if the line knife switch of the 10kV line in the distribution network master station platform is greater than or equal to the preset line knife switch threshold, the 10k line is set to any two of the following lines: target Telemetry lines, target telecontrol lines, and target telesignal lines.

In one embodiment, the setting of the 10k lines is any two of the following lines: the target telemetry line, the target remote control line and the target remote signaling line include:

If the number of user equipment corresponding to the line knife switch of the 10kV line is greater than or equal to the preset line knife switch threshold, the 10k line is set to be any two of the following lines: target telemetry line, target remote control line and target remote control line letter lines.

In one embodiment, the distribution network master station platform includes a 10kV line state acquisition unit, and the 10kV line state acquisition unit is used to collect the environmental state information of the 10kV line, the video of key parts, the information of the 10kV line Temperature and status information for the joint.

In an embodiment, the distribution network master station platform includes a station area monitoring unit, and the station area monitoring unit is used to collect the voltage and current of the box-type transformer and the operation status information of the box-type transformer.

In an embodiment, the distribution network master station platform includes a power distribution room system, and the power distribution room system includes a converging unit, and the converging unit is used to control each power consumption in the distribution network master station. The perception data of the infrastructure is collected and analyzed.

In an embodiment, the power distribution room module includes a monitoring unit, which is used to monitor the operation status of the transformer in the distribution network master station.

In an embodiment, the power distribution room system includes a power distribution room environment collection unit configured to collect environmental data of the power distribution room.

A distribution network management system provided by this application includes: a distribution network master station platform, an edge computing terminal, a sensing terminal, and a communication module. The edge computing terminal uses edge computing technology to monitor each power device in the distribution network master station , in order to obtain multiple monitoring results and collect the operation data of each power equipment. The sensing terminal is used to collect the sensing data of each power infrastructure in the distribution network master station. The communication module communicates with the distribution network master station platform, The communication connection between the edge computing terminal and the perception terminal, the communication terminal is used to transmit the operation data of each power equipment, multiple monitoring results and the perception data of each power consumption infrastructure in the distribution network master station to the distribution network master station platform. Through the communication terminal, the mutual communication between the main station platform of the distribution network, the edge computing terminal and the sensing terminal can be realized, so as to improve the working efficiency of the operators.

Description of drawings

The above and other objects, features and advantages of the present application will become more apparent through a more detailed description of the embodiments of the present application in conjunction with the accompanying drawings. The accompanying drawings are used to provide a further understanding of the embodiments of the present application, and constitute a part of the specification, and are used together with the embodiments of the present application to explain the present application, and do not constitute limitations to the present application. In the drawings, the same reference numerals generally represent the same components or steps.

Fig. 1 is a schematic structural diagram of a distribution network management system provided by an exemplary embodiment of the present application.

Fig. 2 is a schematic structural diagram of a distribution network management system provided by another exemplary embodiment of the present application.

Fig. 3 is a schematic structural diagram of a distribution network management system provided by another exemplary embodiment of the present application.

Fig. 4 is a schematic structural diagram of a distribution network management system provided by another exemplary embodiment of the present application.

Fig. 5 is a schematic structural diagram of a distribution network management system provided by another exemplary embodiment of the present application.

Detailed ways

Hereinafter, exemplary embodiments according to the present application will be described in detail with reference to the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. It should be understood that the present application is not limited by the exemplary embodiments described here.

Fig. 1 is a schematic structural diagram of a distribution network management system provided by an exemplary embodiment of the present application. As shown in Figure 1, the distribution network management system includes: a distribution network master station platform 11, an edge computing terminal 12, a sensing terminal 13, and a communication module 14. The edge computing terminal 12 uses edge computing technology to monitor the status of the distribution network master station. For each power equipment, in order to obtain multiple monitoring results and collect the operation data of each power equipment, the sensing terminal 13 is used to collect the sensing data of each power consumption infrastructure in the master station of the distribution network, and the communication module 14 communicates with the distribution network respectively. The grid master station platform 11, the edge computing terminal 12 and the sensing terminal communication 13 are connected, and the communication terminal 14 is used to transfer the operation data of each power equipment, multiple monitoring results and each power consumption infrastructure in the distribution network master station The sensing data is transmitted to the distribution network master station platform 11.

In the embodiment of this application, the distribution network master station platform 11 is the distribution network system master station platform, which is mainly deployed by the provincial company and its functions are developed. The edge computing terminal 12 is the center of data aggregation, edge computing, and application integration in the edge layer of the power distribution Internet of Things. It mainly includes core devices such as new DTU, new FTU, intelligent fusion terminal, and edge IoT gateway. The edge computing terminal realizes full data collection and full control on the lower side, and exchanges key operating data with the distribution network master station on the upper side in real time. The edge computing terminal 12 adopts "edge computing" technology to realize online monitoring, intelligent analysis and decision-making control of the operating status of the controlled area locally, and supports computing sharing and data interaction with the main station of the distribution network.

The sensing terminal 13 is the sensing subject in the distribution network architecture and the basis for constructing massive data of the distribution network. It mainly includes various types of sensing nodes, such as primary and secondary fusion pole-mounted circuit breakers, fault indicators, environmental monitoring and sensing equipment, electrical measurement protection and control equipment, partial discharge sensors, cable composite sensors, energy efficiency monitoring terminals, Intelligent monitoring terminals, intelligent circuit breakers, AI cameras and other power consumption infrastructure. Wherein, the monitoring result may be a monitoring result generated by each sensor or indicator monitoring its corresponding equipment. For example, voltage and current etc.

Fault indicator refers to a device installed on power lines (overhead lines, cables and busbars) to indicate fault current. Most fault indicators can only distinguish and indicate short-circuit faults by detecting the characteristics of short-circuit current.

The AI camera can be an AI ultra-low-light camera. It is a deep learning image enhancement algorithm running on the built-in AI chip. It achieves high-definition, high-color guaranteed high-quality snapshots at night in an ultra-weak light environment, and meets user expectations. 24-hour high-fidelity image clue collection

The communication module 14 is respectively a remote communication network, a core communication network and a local communication network. The remote communication network connects the edge computing terminal to the master station of the distribution network through optical fiber, wireless private network, wireless public network, etc. The core communication network mainly meets the communication requirements between the edge computing terminal 12 and the core node in the sensing terminal 13, including 4G and broadband power line carrier. The local communication network mainly meets the flexible, efficient, and low-power communication requirements between the core node and the end node in the sensing terminal 13, including RFID, 485, bus and other communication methods.

Radio Frequency Identification (RFID) is the abbreviation of Radio Frequency Identification. The principle is to conduct non-contact data communication between the reader and the tag to achieve the purpose of identifying the target. RFID is widely used, typical applications include animal chips, car chip anti-theft devices, access control, parking lot control, production line automation, and material management.

A distribution network management system provided by this application includes: a distribution network master station platform, an edge computing terminal, a sensing terminal, and a communication module. The edge computing terminal uses edge computing technology to monitor each power device in the distribution network master station , in order to obtain multiple monitoring results and collect the operation data of each power equipment. The sensing terminal is used to collect the sensing data of each power infrastructure in the distribution network master station. The communication module communicates with the distribution network master station platform, The communication connection between the edge computing terminal and the perception terminal, the communication terminal is used to transmit the operation data of each power equipment, multiple monitoring results and the perception data of each power consumption infrastructure in the distribution network master station to the distribution network master station platform. Through the communication terminal, the mutual communication between the main station platform of the distribution network, the edge computing terminal and the sensing terminal can be realized, so as to improve the working efficiency of the operators.

Fig. 2 is a schematic structural diagram of a distribution network management system provided by another exemplary embodiment of the present application. As shown in Figure 2, the communication module 14 includes a remote communication network 141, the remote communication network 141 is composed of optical fiber, wireless private network and wireless public network, the remote communication network 141 is used to communicate and connect the edge computing terminal 12 and the distribution network master station platform 11.

Fig. 3 is a schematic structural diagram of a distribution network management system provided by another exemplary embodiment of the present application. As shown in FIG. 3 , the communication module 14 includes a core communication network 142 . The core communication network 142 is composed of 4G technology and broadband power line carrier. The core communication network 142 is used to communicate and connect the edge computing terminal 12 and the sensing terminal 13 .

In one embodiment, if the line knife switch of the 10kV line in the distribution network master station platform is greater than or equal to the preset line knife switch threshold, the 10k line is set as any two of the following lines: target telemetry line, target Remote control lines and target remote signaling lines.

In one embodiment, setting 10k lines as the target monitoring line and the target control line or the target monitoring line and the target communication line or the target communication line and the target control line includes: if the number of user equipment corresponding to the line switch of the 10kV line is greater than or If it is equal to the preset line knife threshold, then set the 10k line as any two of the following lines: target telemetry line, target remote control line, and target remote signaling line.

According to the relevant requirements of the Electric Power Guidelines, the distribution network master station should be reasonably configured according to the distribution network scale and application requirements of each region. The distribution network master station platform should be built at one time, and the function selection should be based on the system capacity requirements. Power distribution sites and cable power distribution devices that meet the conditions and have operational requirements realize telemetry, remote signaling, and remote control, that is, the "three remote" functions. Especially important load areas can be added with intelligent power distribution room functions such as video, security, and online monitoring. . The outdoor ring network cabinet of the cable trunk line is generally configured to realize the "three remotes" function, and the general outdoor ring network cabinet is installed with the "two remotes" function configuration. Switching stations and power distribution rooms are generally configured to realize the "three remote" functions.

Telemetry (English name: telemetering) is a technology that transmits short-distance measurement values of object parameters to long-distance measurement stations to achieve long-distance measurement. Telemetry technology is a new type of technology with good integration performance, good tracking performance and remote control performance, and its application is very wide. It is a comprehensive technology that uses sensing technology, communication technology and data processing technology to transmit the short-distance measurement value of the object parameter to the long-distance measurement station to realize long-distance measurement. In the process of satellite remote sensing, the parameters of satellite operation can be obtained through telemetry technology.

Remote signaling refers to the switching value of remote communication data, such as the opening/closing status of circuit breakers or isolating switches, the action/return of protection signals, the input/exit of AGC/AVC functions, etc., usually using 1 or 2 binary bits express.

Remote control is a technology for controlling remote controlled objects through communication media, which consists of operating devices, encoding devices, sending devices, channels, receiving devices, decoding devices, and executing agencies. Later, it can also be extended to other aspects, which is a metaphor for manipulating things from a distance without directly directing them.

The distribution automation planning principle is: Class B area (rural area), according to the "three remote" design, the detailed standards are as follows:

The power distribution nodes (switching stations, ring main unit) of the 10kV line meeting the following requirements are selected as "three remote points".

(1) According to the principle of three-segmentation of the main line of the distribution network, two three-remote points are set for the main line. When the main line is longer or the number of nodes is large, no more than four three-remote points can be added as appropriate.

(2) Nodes of important users that can significantly improve the reliability of their power supply.

(3) Nodes with fast power supply conditions and power supply capability.

(4) Power distribution nodes with optical fiber laying conditions.

The power distribution node (line switch) of the 10kV line that meets the following requirements is selected as the "second remote point": branch line switch with more than 3 transformers. A line switch with a large number of user devices. Other locations where it is necessary to improve the accuracy of fault identification.

The currently widely used communication technologies are compared as follows:

(1) Passive optical fiber private network communication technology

Passive optical network is mainly Ethernet passive optical network (EPON) technology. EPON adopts point-to-multipoint structure, passive optical fiber transmission, and provides various services on Ethernet. It has the characteristics of low cost, high bandwidth, strong scalability, flexible and fast service reorganization, and convenience and full compatibility with existing Ethernet.

(2) Industrial Ethernet communication technology

Industrial Ethernet technology. Mature technology, rich network protocols, flexible networking and other advantages. However, there are disadvantages of point-to-point structure fiber core resource waste and inability to resist multi-point failure. Therefore, it is suitable for networking at the core layer and aggregation layer of the network.

(3) Distribution line carrier technology

Distribution line carrier realizes digital communication with medium-voltage distribution network as the transmission medium. It mainly uses existing distribution lines for carrier signal transmission, and the investment in communication equipment is low. The main disadvantage is that the communication rate is low, and it is easily affected by changes in the network and external loads, but relatively less investment and utilization of power resources.

(4) Wireless private network

The wireless private network communication technologies currently used in urban distribution networks mainly include 230M radio stations, Mobitex, Wimax, and McWiLL. In a large-scale network, it is more complicated, and it is easy to be interfered by the same frequency signal or generate intermodulation interference. In the same frequency network, the 230M communication capability is insufficient, and the network efficiency is low. Mobitex, Wimax and McWiLL involve the right to use dedicated wireless frequency bands.

(5) Wireless public network technology

At present, wireless public network communication mainly includes GPRS, 3G and so on. The advantages and disadvantages of the wireless public network are equally prominent, but the reliability and security cannot meet the overall needs of distribution automation, so it can only be used as a non-remote control site during the transition period. The planning considers the use of wireless communication technology at the switch on the pole.

In this application, the distribution automation communication mode adopts the optical fiber communication mode. Fiber-optic communication, also known as optical fiber communication, refers to a way of transmitting information using light and optical fiber. It is a kind of wired communication. Light can carry information after modulation.

Fig. 4 is a schematic structural diagram of a distribution network management system provided by another exemplary embodiment of the present application. As shown in Figure 4, the distribution network master station platform 11 includes a 10kV line state acquisition unit 111, and the 10kV line state acquisition unit 111 is used to collect the environmental state information of the 10kV line, the video of key parts, and the temperature of the joints of the 10kV line and status information.

For overhead lines, video monitoring, micro-weather and other IoT devices are installed at key points of the line channel (crossing points, forest and grassland crossings, etc.), and the information is uploaded to the distribution automation master station. For cable lines, temperature and partial discharge monitoring are installed at important ring network cabinets and cable joints, and the information is uploaded to the distribution automation master station.

(1) Video monitoring

For overhead lines, video surveillance cameras are installed at key points of line passages, such as crossing points, forest and grassland crossings, etc., to monitor in real time abnormal conditions such as tower tilt, disconnection, line abnormalities, area intrusion, abnormal behavior, and fire alarms .

(2) Environmental monitoring

The intelligent gateway collects various environmental state quantities such as micro-meteorology, temperature, humidity, water immersion, SF6 concentration, and smoke in real time, and performs real-time monitoring of sensor event-triggered alarms or limit alarms.

(3) Status monitoring

Install temperature sensors and partial discharge and other state monitoring sensors in ring network cabinets, cable joints, etc., collect data from these sensors in real time through intelligent gateways, and upload the information to the distribution network master station.

Fig. 5 is a schematic structural diagram of a distribution network management system provided by another exemplary embodiment of the present application. As shown in Fig. 5, the distribution network master station platform 11 includes a station area monitoring unit 112, which is used to collect the voltage and current of the box-type transformer and the operation status information of the box-type transformer.

Configure simple intelligent sensing equipment in the station area to realize data collection and operation status monitoring of box-type transformers such as voltage and current.

Box-type transformers (commonly referred to as "box-type transformers") concentrate the design of traditional transformers in a box-type housing, which has the advantages of small size, light weight, low noise, low loss, and high reliability.

The box-type transformer is not just a transformer, it is equivalent to a small substation, which belongs to the distribution station and directly provides power to users. Including high-voltage room, transformer room, low-voltage room; high-voltage room is the power supply side, generally 35 kV or 10 kV incoming line, including high voltage busbar (High voltage busbar), circuit breaker or fuse, voltage transformer, lightning arrester, etc. , The transformer room is full of transformers, which are the main equipment of the box transformer. There are low voltage busbars (Low voltage busbar), low voltage circuit breakers, metering devices, lightning arresters, etc. in the low voltage room, and the lines drawn from the low voltage busbars supply power to users.

In an embodiment, the distribution network master station platform includes a power distribution room system, and the power distribution room system includes a converging unit, and the converging unit is used to control each power consumption in the distribution network master station. The perception data of the infrastructure is collected and analyzed.

In an embodiment, the power distribution room module includes a monitoring unit, which is used to monitor the operation status of the transformer in the distribution network master station.

In an embodiment, the power distribution room system includes a power distribution room environment collection unit configured to collect environmental data of the power distribution room.

The intelligent gateway collects the state quantities of the equipment body such as transformer or ring main unit partial discharge and cable joint temperature in real time, and collects various environmental state quantities such as temperature, humidity, water immersion, SF6 concentration, and smoke in real time. Configure sensors such as smoke, water immersion, temperature and humidity, and partial discharge to realize the collection of environmental quantities and equipment status quantities of distribution substations.

The monitoring unit collects switch station data through PT and CT sensors and uploads them to the master station, and the self-collected data of ring cages and primary and secondary fusion column circuit breakers are uploaded to the master station, which collect three-phase voltage and three-phase current data respectively, and calculate voltage and current , phase angle and other basic data, use voltage, current, phase angle data to calculate active power, reactive power and total active power, total reactive power, total power factor, calculate harmonic content rate, voltage and current unbalance rate, line frequency wait.

The environmental acquisition unit of the power distribution room collects real-time data of smart circuit breakers and smart capacitors through HPLC or 485 communication to realize the collection of electrical quantities.

The power distribution room environment acquisition unit collects data information such as voltage/current, opening/closing status, residual current, and alarm events of low-voltage intelligent circuit breakers; collects voltage/current, active/reactive power, protection action events, and protection Action section data, temperature and other information.

The power distribution room is equipped with an AI smart camera, which is embedded with a deep learning algorithm, which can realize intelligent monitoring and analysis of passenger flow statistics, regional attention, and personnel density.

The edge computing terminal 12 includes an intelligent fusion terminal. The intelligent fusion terminal collects distribution transformer operation information and distribution transformer operation status information, and collects residual current circuit breakers, low-voltage outlet switches, and electric energy through local communication interfaces (RS485/232, network ports, etc.). For equipment information such as quality control, collect information on key nodes (branch boxes) of low-voltage lines through LoRa wireless communication, and complete information collection from transformer outgoing lines to electric meter interval lines; intelligent fusion terminals push the collected information to distribution automation through wireless private networks The master station; the concentrator sends the electricity consumption information to the power consumption system, and the power consumption system pushes the data to the power distribution automation master station, and the power distribution operation and maintenance management and control platform directly reads the electricity meter information and transformer operation information from the power distribution automation master station , Information about intelligent distribution station area.

The edge computing terminal 12 includes a new type of DTU, and the DTU is deployed in a ring network cabinet or a switching station, adopts a distributed structure, and is divided into public units and interval units. The public unit is the convergence device of the power Internet of Things ring network cabinet and the edge computing center, and the interval unit is the separation device of the power Internet of Things ring network cabinet to achieve perception and separation autonomy. The DTU interval unit is installed in the ring network cabinet partition cabinet, as a near-end sensing device connected through the local network, to complete electrical and line loss measurement and fault judgment on the spot; the DTU public unit is in addition to the data collection and monitoring of each unit of the ring network cabinet. It cooperates with the bay unit and other intelligent units to realize functions such as intelligent perception of the ring main unit, fault location and judgment, equipment status monitoring and evaluation, and two-way information flow plug and play.

DTU (Data Transfer unit) is a wireless terminal device specially used to convert serial port data into IP data or convert IP data into serial port data for transmission through a wireless communication network.

Establish connection through GPRS network and data processing center, as shown in Figure 2. This connection involves the wireless network operator, the Internet broadband provider, the network conditions of the user company, and the user's computer configuration. Therefore, to establish this connection, all parts must be configured. In essence, DTU and data processing center establish a SOCKET connection. DTU is a SOCKET client, and the data processing center is a SOCKET server. There are TCP protocol and UDP protocol for SOCKET connection, and the DTU and the center should use the same protocol, which is generally configured by configuration software. After configuring the IP address and port number of the center for the DTU, connect the DTU to the user's equipment through the serial port. As shown in Figure 2, DTU is connected with hydrology, electric power, meteorology, environmental protection and other equipment and placed on site. After the DTU is powered on, it first registers with the mobile network, and then sends a SOCKET request packet to the mobile, and the mobile sends the request to the Internet. After receiving the request, the server software of the center establishes a connection and sends a response message. The request information sent by DTU is a data packet on the Internet. There are some reasons that will prevent the center from receiving the connection request packet, so that the connection cannot be established. The most common computer with the center has anti-virus software, firewall, etc. to shield these data packets. The other is that the central computer accesses the Internet through a router, and data forwarding must be set on the router. After the SOCKET connection is established, two-way communication is possible.

The edge computing terminal 12 includes a new type of FTU. The medium-voltage overhead line adopts a deep fusion pole switch with built-in electronic sensors, which is deeply integrated with the switch body. The terminal adopts a miniaturized design. The aggregation equipment of the power Internet of Things will gather the sensory data of the overhead line sensors and organize edge computing and local decision-making; through the distribution line synchronous and accurate measurement sensor to collect the electrical data of the distribution line, it can ensure accurate synchronization and wireless Internet of Things networking, Together with the feeder terminal, it realizes the edge calculation of the distribution line, such as single-phase grounding judgment, etc.; through the use of the distribution line arrester perception sensor, the intelligent monitoring module integrated in the conventional zinc oxide arrester, realizes the online monitoring of the total leakage current of the arrester and the temperature of the spool , the number of actions, etc., support wireless IoT networking, and send monitoring data to the terminal.

Distribution switch monitoring terminal (referred to as FTU), with functions of remote control, telemetry, remote signaling, and fault detection, and communicates with the master station of distribution automation to provide distribution system operation conditions, various parameters and information required for monitoring and control, including switch Status, power parameters, phase-to-phase faults, ground faults, and fault parameters, and execute commands issued by the power distribution master station to adjust and control power distribution equipment to achieve fault location, fault isolation, and rapid restoration of power supply in non-faulty areas, etc. Function.

The edge computing terminal 12 includes edge IoT gateways, equipped with rich data collection, control and transmission interfaces, and multiple communication methods, providing customers with data collection, edge computing, local storage, intelligent gateways, security gateways, data processing and forwarding, local With remote control and other functions.

One-stop access to equipment: rich and scalable interfaces, supporting one-stop access to multiple equipment;

Multi-protocol support: supports mainstream IoT communication protocols, and can customize private communication protocols according to application requirements; supports common video stream RTSP/RTP/RTCP protocol families;

Dual-mode management: with remote and local management methods;

Edge computing: high security, low system latency, and supports independent operation.

The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit the embodiments of the application to the forms disclosed herein. Although a number of example aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, changes, additions and sub-combinations thereof.

Claims (10)

1. A management system for a power distribution network, comprising:

a power distribution network master station platform;

the edge computing terminal monitors each power device of the power distribution network main station by adopting an edge computing technology to obtain a plurality of monitoring results and collect operation data of each power device;

the sensing terminal is used for collecting sensing data of each electricity utilization infrastructure in the power distribution network main station; and

the communication module is respectively in communication connection with the power distribution network master station platform, the edge computing terminal and the perception terminal, and the communication terminal is used for transmitting the operation data of each power device, the monitoring results and the perception data of each power utilization infrastructure in the power distribution network master station to the power distribution network master station platform.

2. The system of claim 1, wherein the communication module comprises a telecommunications network, the telecommunications network comprising an optical fiber, a wireless private network, and a wireless public network, the telecommunications network configured to communicatively connect the edge computing terminal with the distribution network master station platform.

3. The system according to claim 1, wherein the communication module comprises a core communication network, the core communication network being composed of 4G technology and broadband power line carriers, the core communication network being configured to communicatively connect the edge computing terminal and the sensing terminal.

4. The system according to claim 1, wherein if a line disconnecting link of a 10kV line in the power distribution network master station platform is greater than or equal to a preset line disconnecting link threshold, the 10k line is set to be any two of the following lines: a target telemetry link, a target remote control link, and a target telemetry signaling link.

5. The system for managing a power distribution network according to claim 4, wherein the setting of the 10k line is any two of: the target telemetry link, and the target telemetry link include:

if the number of the user equipment corresponding to the line disconnecting link of the 10kV line is greater than or equal to a preset line disconnecting link threshold value, setting the 10k line as any two of the following lines: a target telemetry link, a target remote control link, and a target telemetry signaling link.

6. The management system of a power distribution network according to claim 1, wherein the power distribution network master station platform comprises a 10kV line state acquisition unit, and the 10kV line state acquisition unit is used for acquiring environmental state information of the 10kV line, videos of key parts, and temperature and state information of joints of the 10kV line.

7. The system of claim 1, wherein the power distribution network master station platform comprises a station area monitoring unit for collecting voltage and current of the box-type transformer and operating state information of the box-type transformer.

8. The system of claim 1, wherein the distribution grid master station platform comprises a distribution room system including a compilation unit for compiling and analyzing the perceived data of each of the power usage infrastructures in the distribution grid master station.

9. The system of claim 8, wherein the distribution room module includes a monitoring unit for monitoring an operational status of a transformer in the distribution network master station.

10. The system of claim 9, wherein the distribution room system includes a distribution room environment collection unit for collecting environmental data of the distribution room.

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