Information processing method and device of power distribution monitoring and control terminal equipment

Abstract

The application discloses an information processing method of a power distribution measurement and control terminal device, comprising the following steps: constructing a power distribution measurement and control terminal model according to the reliability constraint corresponding to the power distribution measurement and control terminal and a preset optimization target; obtaining device information of a power distribution network topological structure, determining the topological structure information of the power distribution network by using a preset power distribution network topological structure analysis algorithm; determining the application topological information corresponding to the power distribution network based on the obtained power distribution measurement and control terminal model and the topological structure information of the power distribution network and the communication address of the power distribution measurement and control terminal obtained in advance; and performing state monitoring on the power distribution network by using the obtained application topological information. The application realizes full data collection and full management and control on the lower level, exchanges key operation data with a cloud platform in real time on the upper level, and realizes convenient and fast interconnection between intelligent devices and intelligent power transformer terminals.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power distribution network, in particular to an information processing method and device of power distribution measurement and control terminal equipment. BACKGROUND

[0002] At present, in the power distribution network, the types of equipment are various, and the universality and interchangeability are poor. There are 42 types of 3599 models of 10kV equipment such as power distribution transformers, ring network cabinets and switch cabinets in operation, involving 1670 suppliers, and the universality and interchangeability are not high. The technical indexes are uneven, and the product quality difference is large. The existing DAS is mainly used for centralized monitoring of the power distribution network, and the terminals cannot exchange information and do not support distributed control. The power distribution device and the protection and voltage control device are arranged separately, and it is difficult to interconnect and interoperate between each other, which causes the problems of repeated investment and large management and maintenance workload. The software and hardware resources are not well shared. There is no standard data model, and it is not possible to achieve "plug and play". SUMMARY

[0003] This section is intended to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, the abstract and the title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0004] In view of the above and / or existing problems in the power distribution network terminal equipment, the present application is proposed.

[0005] Therefore, the problem to be solved by the present application is how to exchange information between terminals.

[0006] To solve the above technical problems, the present application provides the following technical solutions.

[0007] In a first aspect, the embodiments of the present application provide an information processing method of power distribution measurement and control terminal equipment, comprising,

[0008] According to the reliability constraints and the preset optimization target corresponding to the power distribution measurement and control terminal, a power distribution measurement and control terminal model is constructed. The reliability constraints include at least one of the average power supply availability, the fault isolation time and the fault repair time, and the preset optimization target includes the minimum sum of investment cost, maintenance cost and fault loss cost.

[0009] Obtain the device information of the power distribution network topology structure, and determine the topology structure information of the power distribution network by using a preset power distribution network topology structure analysis algorithm.

[0010] Based on the obtained power distribution monitoring and control terminal model and the topology structure information of the power distribution network, and the pre-acquired communication address of the power distribution monitoring and control terminal, application topology information corresponding to the power distribution network is determined;

[0011] The power distribution network is monitored in a state through the obtained application topology information.

[0012] As a preferred scheme of the information processing method of the power distribution monitoring and control terminal device, the power distribution monitoring and control terminal model comprises a double-layer model, wherein,

[0013] The first-layer model is a power distribution network framework planning model, and the sum of investment cost, maintenance cost and fault loss cost is taken as an objective function for decision optimization, and the generated planning scheme is transmitted downward to the second-layer model as an initial boundary condition;

[0014] The second-layer model decides a power distribution automation terminal configuration scheme on the basis of the first-layer planning decision scheme, and performs reliability evaluation, and calculates the investment cost, maintenance cost and fault loss cost of the current network framework planning scheme, and returns the sum of the annualized investment cost of the power distribution automation terminal as part of the objective function of the network framework planning scheme to the first layer.

[0015] As a preferred scheme of the information processing method of the power distribution monitoring and control terminal device, the device information of the power distribution network topology structure is obtained through a preset power distribution network topology structure analysis algorithm, and the topology structure information of the power distribution network comprises,

[0016] A plurality of device information of the power distribution network topology structure is obtained, and the obtained device information is taken as a basic element of an abstract model of the power distribution network;

[0017] According to the obtained device information, the power distribution network is divided into a single area and a network area, wherein the single area comprises an area radiated by a single network site, and the network area comprises a plurality of single areas;

[0018] Based on the single area and the network area, and the opening and closing states of the switch information, node information and connection information in the topology structure information are determined through a preset power distribution network topology structure analysis algorithm.

[0019] As a preferred scheme of the information processing method of the power distribution monitoring and control terminal device, based on the single area and the network area, and the opening and closing states of the switch information, node information and connection information in the topology structure information are determined through a preset power distribution network topology structure analysis algorithm, comprising,

[0020] If the switch device of the single area is in a closed state, the adjacency matrix of the node is modified, and the node is re-grouped according to the modified node adjacency matrix, and is mapped to the node of the power distribution network.

[0021] the electrical island mark of the nodes on both sides of the switch is determined;

[0022] if the electrical island marks of the nodes on both sides of the switch are different and the closing of the switch causes the merging of the electrical islands, the node tree of the electrical island, the number of nodes and the attributes of each node belonging to the electrical island are updated;

[0023] if the electrical island marks of the nodes on both sides of the switch are the same and the closing of the switch causes the fusion of the electrical island nodes, the branch list of the nodes, the node tree of the electrical island, the number of nodes and the attributes of each node are updated.

[0024] As a preferred scheme of the information processing method of the power distribution measurement and control terminal device, wherein: the node information and the connection information in the topological structure information are determined based on the single area and the network area, the opening and closing state of the switch information, and a preset power distribution network topological structure analysis algorithm, and the determination further includes,

[0025] if the switch device of the network area is in an open state, the adjacency matrix of the nodes is modified, and the nodes are re-grouped according to the modified adjacency matrix of the nodes and mapped as the nodes of the power distribution network;

[0026] the node tree of the electrical island is searched, and it is determined whether the two new nodes belong to the same electrical island;

[0027] if the two new nodes belong to the same electrical island, the attributes of the two new nodes, the node tree of the electrical island and the number of nodes are updated;

[0028] if the two new nodes belong to different electrical islands, the node tree of the new electrical island is constructed, and the attributes of each node are updated.

[0029] As a preferred scheme of the information processing method of the power distribution measurement and control terminal device, wherein: the application topological information corresponding to the power distribution network is determined based on the obtained power distribution measurement and control terminal model and the topological structure information of the power distribution network, and the communication address of the power distribution measurement and control terminal obtained in advance includes,

[0030] a topological query request is sent to the power distribution measurement and control terminal at the side adjacent to the switch according to the configuration information;

[0031] the power distribution measurement and control terminal receiving the query request checks the attributes, state and whether there is an adjacent switch of the switch monitored by the power distribution measurement and control terminal;

[0032] application topological information of the feeder on the side is obtained according to all the received query results.

[0033] As a preferred scheme of the information processing method of the power distribution measurement and control terminal device, wherein:

[0034] The power distribution monitoring and control terminal receiving the query request checks the attributes, states and whether there are adjacent switches of the monitored switch,

[0035] If it is a power switch or a terminal switch, the switch attributes and state information are returned to the master power distribution monitoring and control terminal, and the side query is terminated;

[0036] Otherwise, the names of all next-level adjacent switches of the monitored switch and the communication address information of the power distribution monitoring and control terminals are returned to the master power distribution monitoring and control terminal;

[0037] After receiving the information returned by the adjacent switch, the master power distribution monitoring and control terminal sends a topology query request to the power distribution monitoring and control terminal of the next-level adjacent switch one by one until the power switch or the terminal switch is queried.

[0038] In a second aspect, an information processing system of a power distribution monitoring and control terminal device is provided, which includes:

[0039] A model construction module is configured to construct a power distribution monitoring and control terminal model according to a reliability constraint corresponding to the power distribution monitoring and control terminal and a preset optimization target. The reliability constraint includes at least one of an average power supply availability, a fault isolation time and a fault repair time, and the preset optimization target includes a minimum sum of investment cost, maintenance cost and fault loss cost.

[0040] A structure information determination module is configured to obtain device information of a power distribution network topology structure, and determine topology structure information of the power distribution network by using a preset power distribution network topology structure analysis algorithm.

[0041] A topology information determination module is configured to determine application topology information corresponding to the power distribution network based on the obtained power distribution monitoring and control terminal model and the topology structure information of the power distribution network, and a pre-obtained communication address of the power distribution monitoring and control terminal.

[0042] A monitoring module is configured to perform state monitoring on the power distribution network by using the obtained application topology information.

[0043] In a third aspect, a computer device is provided, which includes a memory and a processor. The memory stores a computer program. When the processor executes the computer program, any step of the above method is implemented.

[0044] In a fourth aspect, a computer readable storage medium is provided, which stores a computer program. When the computer program is executed by a processor, any step of the above method is implemented.

[0045] The application has the advantages that the power distribution network intelligent measurement and control general terminal realizes full data collection and full management and control, and exchanges key operation data with the cloud platform in real time. In order to meet the real-time and rapid response requirements, reduce the calculation pressure of the cloud platform, and weaken the high dependence on the cloud platform, the power distribution network intelligent measurement and control general terminal adopts an open architecture technology, realizes online monitoring, intelligent analysis and decision control of the operation state of multiple types of power sources, controllable loads and multiple voltage level power distribution networks, and supports calculation sharing and data interaction with the cloud at the same time. Through the built-in communication chip and operating system of the power distribution network intelligent measurement and control general terminal, the Internet of Things protocol standard is unified, multiple Internet of Things communication technologies such as MQTT, micro-power wireless, NB-IoT and PLC are adapted, and the intelligent device and the intelligent distribution transformer terminal are conveniently and quickly interconnected. BRIEF DESCRIPTION OF DRAWINGS

[0046] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0047] Figure 1 The flowchart of the information processing method of the power distribution measurement and control terminal device. DETAILED DESCRIPTION

[0048] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification. Obviously, the described embodiments are part of the embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0049] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0050] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0051] The application is described in detail in combination with the schematic diagram. In the detailed description of the embodiments of the application, the sectional view of the device structure is partially enlarged without the general proportion for the convenience of illustration, and the schematic diagram is only an example, which should not limit the scope of protection of the application herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.

[0052] Meanwhile, in the description of the application, it should be noted that the terms "upper, lower, inner and outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. In addition, the terms "first, second or third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0053] Unless otherwise specified and limited in the application, the terms "mounting, connecting, connecting" should be understood broadly, for example: it can be fixedly connected, detachably connected or integrally connected; it can also be mechanically connected, electrically connected or directly connected, it can also be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0054] Embodiment 1

[0055] Reference Figure 1 For the first embodiment of the application, the embodiment provides an information processing method of power distribution measurement and control terminal equipment, comprising:

[0056] S100: According to the reliability constraint corresponding to the power distribution measurement and control terminal and the preset optimization target, a power distribution measurement and control terminal model is constructed.

[0057] It should be noted that the reliability constraint includes at least one of the average power supply availability, the fault isolation time and the fault repair time, the preset optimization target includes the minimum sum of investment cost, maintenance cost and fault loss cost, and the power distribution measurement and control terminal model is used to indicate the scheme of deploying the power distribution measurement and control terminal in the power distribution network,

[0058] It should be noted that the power distribution monitoring and control terminal model includes a two-layer model. The first-layer model is a power distribution network structure planning model, which optimizes the decision by minimizing the sum of investment costs, maintenance costs, and fault loss costs. The generated planning scheme is passed down to the second-layer model as its initial boundary conditions. Based on the planning decision scheme of the first-layer model, the second-layer model decides on the configuration scheme of the power distribution automation terminal and conducts a reliability assessment. It calculates the investment costs, maintenance costs, and fault loss costs of the current network planning scheme and returns the sum of these costs and the annualized investment cost of the power distribution automation terminal as part of the objective function of the network structure planning scheme to the first layer.

[0059] S200: Based on the equipment information of the distribution network topology, the topology information of the distribution network is determined through a preset distribution network topology parsing algorithm.

[0060] It should be noted that the equipment information of the distribution network topology includes at least one of bus information, line information and switch information. The topology information is used to indicate the node information and connection information that constitute the distribution network topology. The distribution network topology parsing algorithm is used to decompose and track the distribution network topology.

[0061] It should be noted that in distribution network analysis and calculation, each busbar is considered as a node, and distribution lines are the connections between nodes, thus forming the topology of the distribution system. Due to the complexity of distribution networks and the needs of distribution network operators, two nodes are not necessarily connected by a straight line. Instead, multiple line segments may be used to connect them, taking into account the aesthetics of the diagram and the actual route of the lines.

[0062] Specifically, node information and connection information can be represented as follows:

[0063] Node = [Num x ,Jx], where Num x The node number represents the node information, and Jx represents the set of expressions corresponding to the node.

[0064] Line = [Num] y Ly, Node[i], where Num y Let represent the number of the connection information, Ly represent the set of line elements of the connection information, and Node[i] represent the set of nodes belonging to the connection information.

[0065] It should be noted that a node may include a node consisting of a busbar, and / or a node associated with three or more line elements, and / or a node associated with only one line element; wherein, an independent line segment describing a line in the topology may be used as a line element.

[0066] The power distribution network topology structure analysis algorithm can comprise searching all line elements connected with the node from the known node information, and in the searching process, in order to avoid repeated searching, a corresponding flag can be established, for example, when the topology structure changes, the local topology structure change is recalculated from the operation point causing the topology structure change, which can effectively avoid the recalculation of all elements of the entire network, and the calculation speed is improved under the premise of ensuring accuracy, wherein the stop condition of the search can comprise that the searched node is a tie-in switch or a tie-out switch; the line element is connected to other nodes.

[0067] Specifically, a plurality of device information of the power distribution network topology structure is obtained, and the obtained device information is taken as a basic element of the power distribution network abstract model;

[0068] According to the obtained device information, the power distribution network is divided into a single area and a network area, wherein the single area comprises an area radiated by a single network site, and the network area comprises a plurality of single areas;

[0069] Based on the single area and the network area, and the opening and closing state of the switch information, the node information and the connection information in the topology structure information are determined through a preset power distribution network topology structure analysis algorithm.

[0070] It should be noted that if the switch device of the single area is in a closed state, the adjacency matrix of the node is modified, and the node is re-grouped according to the modified node adjacency matrix, and is mapped to the node of the power distribution network;

[0071] The electrical island flag of the nodes at both ends of the switch in the open and closed state is judged, if the electrical island flags of the nodes at both ends of the switch are different, the closing of the switch causes the merging of the electrical islands, and the node tree, the number of nodes and the attributes of each node belonging to the small electrical island of the electrical island are updated;

[0072] If the electrical island flags of the nodes at both ends of the switch are the same, the closing of the switch causes the fusion of the original electrical island nodes, and the branch linked list of the node, the node tree of the electrical island, the number of nodes and the attributes of each node after the large number of nodes before fusion are updated.

[0073] It should be noted that if the switch device of the network area is in an open and closed state, the adjacency matrix of the node is modified, and the node is re-grouped according to the modified node adjacency matrix, and is mapped to the node of the power distribution network;

[0074] The node tree of the electrical island is searched, and it is judged whether the two new nodes belong to the same electrical island, if the two new nodes belong to the same electrical island, the attributes of the two new nodes, the node tree of the electrical island and the number of nodes are updated;

[0075] If the two new nodes belong to different electrical islands, the node tree of the new electrical island is constructed, and the attributes of each node are updated.

[0076] It should be noted that the nodes connected to each other in the station are numbered and mapped to the nodes of the power grid topology. The power grid topology tracking algorithm searches the nodes of the power grid from the system equivalent power point, and automatically numbers the nodes and branches in increasing order. At the same time, it is known that the power grid can be divided into how many electrical islands, the number of nodes of each electrical island is calculated, and different electrical island marks are set for each node. In the search process, different branch linked lists are formed for each node of the power grid, and the tree branch, chain branch, and branch of the node are set, and finally the electrical island is formed.

[0077] S300: Based on the distribution measurement and control terminal model and the topology structure information of the distribution network, and the pre-acquired communication address of the distribution measurement and control terminal, the application topology information corresponding to the distribution network is determined.

[0078] It should be noted that the application topology information is used to indicate the real-time connection relationship of the specific control application to the related station in the distribution network.

[0079] It should be noted that the distribution intelligent measurement and control terminal can obtain the feeder real-time topology through step-by-step query. First, the local topology information of the adjacent distribution intelligent measurement and control terminal and the communication address of the next level adjacent distribution intelligent measurement and control terminal can be queried;

[0080] Then the next level adjacent distribution intelligent measurement and control terminal is queried to obtain the local topology information and the communication address of the next level adjacent distribution intelligent measurement and control terminal; finally, according to the above process, the query is performed in turn, and when a certain distribution intelligent measurement and control terminal is a boundary distribution intelligent measurement and control terminal of the control domain (such as a distribution intelligent measurement and control terminal controlling the load switch or a distribution intelligent measurement and control terminal controlling the circuit breaker of the transformer substation), the query ends.

[0081] Specifically, when the master control distribution intelligent measurement and control terminal is powered on, a topology query request is sent to the distribution measurement and control terminal at the side of the adjacent switch according to the configuration information, the distribution measurement and control terminal receiving the query request checks the properties, state and whether there is an adjacent switch of the monitored switch,

[0082] If it is a power switch or a terminal switch, the switch attribute and its state information are returned to the master control distribution intelligent measurement and control terminal, and the query on this side is terminated;

[0083] Otherwise, the names of all next level adjacent switches of the monitored switch and the communication address information of the distribution measurement and control terminals thereof are returned to the master control distribution intelligent measurement and control terminal. For the distribution intelligent measurement and control terminal station monitoring multiple switches such as ring network cabinets or switching stations, the local topology information and the state of the switching station and the names of the next level adjacent switches of each monitored switch and the address information of the distribution intelligent measurement and control terminals thereof are returned.

[0084] The master power distribution monitoring terminal receives the information returned by the adjacent switch, and then sends a topology query request to the power distribution monitoring terminal where the next level adjacent switch is located, and the process is repeated until the power switch or terminal switch is queried.

[0085] The master power distribution intelligent monitoring terminal obtains the real-time topology of the feeder on this side according to all the query results received.

[0086] S400: State monitoring of the power distribution network by using the application topology information.

[0087] In summary, the power distribution network intelligent monitoring terminal realizes full data collection and full control on the lower level, and exchanges key operation data with the cloud platform in real time. To meet the real-time and rapid response requirements, reduce the computing pressure of the cloud platform, and weaken the high dependence on the cloud platform, the power distribution network intelligent monitoring terminal adopts an open architecture technology to realize online monitoring, intelligent analysis and decision control of the operation state of multiple types of power sources, controllable loads, and multi-voltage level power distribution networks, while supporting computing sharing and data interaction with the cloud. Through the built-in communication chip and operating system of the power distribution network intelligent monitoring terminal, the Internet of Things protocol standard is unified, and multiple Internet of Things communication technologies such as MQTT (Message Queuing Telemetry Transport), micro-power wireless, NB-IoT (Narrow Band Internet of Things), and PLC (Power line Communication) are adapted, to realize convenient and fast interconnection between intelligent devices and intelligent distribution terminal.

[0088] Further, the embodiment also provides an information processing system of a power distribution monitoring terminal device, which comprises:

[0089] A model construction module is configured to construct a power distribution monitoring terminal model according to a reliability constraint corresponding to the power distribution monitoring terminal and a preset optimization target. The reliability constraint comprises at least one of an average power supply availability, a fault isolation time, and a fault repair time, and the preset optimization target comprises a minimum sum of investment cost, maintenance cost, and fault loss cost.

[0090] A structure information determination module is configured to obtain device information of a power distribution network topology structure, and determine topology structure information of the power distribution network by using a preset power distribution network topology structure analysis algorithm.

[0091] A topology information determination module is configured to determine application topology information corresponding to the power distribution network based on the obtained power distribution monitoring terminal model and topology structure information of the power distribution network, and a pre-obtained communication address of the power distribution monitoring terminal.

[0092] The monitoring module is configured to monitor the power distribution network based on the obtained application topology information.

[0093] The embodiment also provides a computer device suitable for the information processing method of the power distribution measurement and control terminal device.

[0094] The computer device comprises a memory and a processor, the memory is configured to store computer executable instructions, and the processor is configured to execute the computer executable instructions to implement the information processing method of the power distribution measurement and control terminal device.

[0095] The computer device can be a terminal, and the computer device comprises a processor, a memory, a communication interface, a display screen and an input device connected through a system bus. The processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operating system and the computer program in the non-volatile storage medium. The communication interface of the computer device is configured to perform wired or wireless communication with an external terminal. The wireless communication can be achieved through WIFI, an operator network, NFC (near field communication) or other technologies. The display screen of the computer device can be a liquid crystal display screen or an electronic ink display screen. The input device of the computer device can be a touch layer overlaid on the display screen, or a key, trackball or touchpad arranged on the shell of the computer device, or an external keyboard, touchpad or mouse, etc.

[0096] The embodiment also provides a storage medium having a computer program stored thereon, and the program is executed by a processor to implement the information processing method of the power distribution measurement and control terminal device.

[0097] The storage medium provided by the embodiment belongs to the same inventive concept as the data storage method provided by the above embodiment, and the technical details not described in the embodiment can be referred to the above embodiment, and the embodiment has the same beneficial effects as the above embodiment.

[0098] Embodiment 2

[0099] Reference Figure 1 For the second embodiment of the present application, the embodiment provides an information processing method of a power distribution measurement and control terminal device. In order to verify the beneficial effects of the present application, scientific demonstration is performed through comparison.

[0100] From the analysis of open architecture and power distribution network scenarios, it can be known that the scenarios of power distribution network are diverse and the demands are different. For different operation scenarios and demands, the traditional method is to specially design and develop a set of equipment for each demand. Under the condition of limited investment in power distribution network project, the power distribution network intelligent terminal with general architecture is researched, which can realize interactive communication with multiple control resources of source, network, load and storage, adapt to various communication conditions, and meet various business scenarios such as new energy consumption of power distribution network and continuous power supply of important load, realize "multiple demands, one device, multiple applications", and effectively avoid repeated purchase and operation and maintenance difficulties of equipment, greatly improve the intelligent and general level of power distribution network terminal. At the same time, the intelligent terminal can support 5G communication, realize full compatibility of communication conditions, and the software can be configured according to the communication conditions and the communication driver can be configured.

[0101] In terms of hardware, the uplink and downlink communication function modules of the power distribution network intelligent measurement and control general terminal are modularized, which can be directly replaced and upgraded;

[0102] The downlink communication adopts the mode of built-in communication chip and operating system of intelligent equipment, unifies the Internet of Things protocol standard, adapts to multiple Internet of Things communication technologies such as broadband carrier, micro-power wireless and NB-IoT, realizes convenient and fast interconnection between intelligent equipment and intelligent distribution terminal, and the uplink can communicate through network port or wireless technology, generally adopts MQTT transmission protocol.

[0103] In terms of software, the built-in linux operating system can shield the hardware difference and unify the software interface; support system container and application container to improve system reliability and deployment flexibility; support MQTT message bus to ensure message interaction efficiency; support APP development environment of C\C++\JAVA; support APP life cycle management and real-time monitoring of APP running state. APP application center undertakes APP application detection, release, operation and maintenance, upgrade and other whole life cycle management; each unit can realize flexible customized deployment of APP application through remote "zero contact" point-to-point mode according to the actual application demand of each power distribution area, and improve the operation and maintenance efficiency.

[0104] Considering the communication adaptive intelligent measurement and control general terminal kernel is a linux system, which contains processor, storage device and various applications. The equipment contains RS485 and RS232 interfaces in the interface aspect, which is convenient for accessing various electrical equipment and realizing data acquisition and control function of various electrical equipment; the equipment contains Ethernet port in the upward aspect, which is convenient for interacting with external network and cloud; at the same time, the equipment itself has the functions of sharing, storing, processing and uploading data, and can adopt container technology to arrange multiple APPs to execute synchronously according to different business demands, realize the solution of multiple demands one device, and greatly save the cost.

[0105] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not limit the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced, without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. An information processing method for a power distribution monitoring and control terminal device, characterized in that: include, Based on the reliability constraints and preset optimization objectives of the power distribution monitoring and control terminal, a power distribution monitoring and control terminal model is constructed; wherein, the reliability constraints include at least one of average power supply availability, fault isolation time and fault repair time, and the preset optimization objectives include minimizing the sum of investment cost, maintenance cost and fault loss cost; Obtain equipment information about the distribution network topology, and determine the distribution network topology information through a preset distribution network topology parsing algorithm; Based on the obtained distribution measurement and control terminal model and distribution network topology information, as well as the pre-acquired communication address of the distribution measurement and control terminal, the application topology information corresponding to the distribution network is determined. The distribution network status is monitored using the obtained application topology information; The power distribution monitoring and control terminal model includes a two-layer model, wherein... The first-layer model is the distribution network structure planning model, which uses the minimum sum of investment cost, maintenance cost and fault loss cost as the objective function to make the decision optimization. The generated planning scheme is passed down to the second-layer model as its initial boundary conditions. The second-layer model, based on the planning and decision-making scheme of the first layer, decides on the configuration scheme of the distribution automation terminal, conducts a reliability assessment, calculates the investment cost, maintenance cost and failure loss cost of the current grid planning scheme, and returns the sum of these costs and the annualized investment cost of the distribution automation terminal as part of the objective function of the grid structure planning scheme to the first layer. The process of obtaining equipment information about the distribution network topology, and determining the distribution network topology information through a preset distribution network topology parsing algorithm, includes: Obtain information on multiple devices in the distribution network topology and use the obtained device information as the basic elements of the distribution network abstract model; Based on the obtained equipment information, the distribution network is divided into single areas and network areas. A single area includes the area covered by a single network site, while a network area includes multiple single areas. Based on the single area and network area, as well as the opening and closing status of the switch information, the node information and connection information in the topology information are determined by a preset power distribution network topology analysis algorithm. The process of determining node and connection information in the topology information based on the single region and network region, as well as the opening and closing status of the switch information, using a preset distribution network topology analysis algorithm, also includes... If the switching equipment in the network area is in the open state, the adjacency matrix of the node is modified, and the nodes are regrouped according to the modified node adjacency matrix and mapped to the nodes of the distribution network. Search the node tree of the electric island to determine whether two newly added nodes belong to the same electric island; If two newly added nodes belong to the same electrical island, then update the attributes of the two newly added nodes, the node tree of the electrical island, and the number of nodes. If two newly added nodes belong to different electrical islands, then construct the node tree of the new electrical island and update the attributes of each node.

2. The information processing method for the power distribution monitoring and control terminal equipment as described in claim 1, characterized in that: Based on the single region and network region, and the on / off status of the switch information, the node information and connection information in the topology information are determined using a preset distribution network topology analysis algorithm. If the switching equipment in the single area is in the closed state, the adjacency matrix of the node is modified, and the nodes are regrouped according to the modified node adjacency matrix and mapped to the nodes of the distribution network. Electrical island markers at both ends of a switch to determine its open / closed state; If the electrical island markers of the nodes at both ends of the switch are different, and the switch being closed causes the electrical islands to merge, then the node tree, the number of nodes, and the attributes of each node belonging to the electrical island are updated. If the electrical island flags of the nodes at both ends of the switch are the same, and the switch being closed causes the electrical island nodes to merge, then the branch list of the node, the node tree of the electrical island, the number of nodes, and the attributes of each node are updated.

3. The information processing method for the power distribution measurement and control terminal equipment as described in claim 2, characterized in that: The process of determining the application topology information corresponding to the distribution network based on the obtained distribution measurement and control terminal model, the distribution network topology information, and the pre-acquired communication address of the distribution measurement and control terminal includes: Based on the configuration information, a topology query request is sent to the power distribution monitoring and control terminal at the adjacent switch on one side. Upon receiving the query request, the power distribution monitoring and control terminal checks the attributes, status, and whether there are adjacent switches of the switches it monitors. Obtain the application topology information of this side feeder based on all received query results.

4. The information processing method for the power distribution measurement and control terminal equipment as described in claim 3, characterized in that: The power distribution monitoring and control terminal that receives the query request checks the attributes, status, and whether there are any adjacent switches among the switches it monitors. If it is a power switch or a terminal switch, the switch attributes and status information will be returned to the main control power distribution measurement and control terminal, and the query on this side will be terminated. Otherwise, the names of all adjacent switches at the next lower level of the monitored switch and their communication address information for the power distribution monitoring and control terminal will be returned to the main control power distribution monitoring and control terminal. After receiving the information returned by the adjacent switches, the main control power distribution monitoring and control terminal sends a topology query request to the power distribution monitoring and control terminal of the next level adjacent switch one by one until the power switch or terminal switch is found.

5. An information processing system for a power distribution monitoring and control terminal device, based on the information processing method of the power distribution monitoring and control terminal device according to claims 1 to 4, characterized in that: include, The model building module is used to build a power distribution monitoring and control terminal model based on the reliability constraints and preset optimization objectives corresponding to the power distribution monitoring and control terminal. The reliability constraints include at least one of average power supply availability, fault isolation time and fault repair time, and the preset optimization objectives include minimizing the sum of investment cost, maintenance cost and fault loss cost. The structure information determination module is used to obtain equipment information of the distribution network topology and determine the topology information of the distribution network through a preset distribution network topology parsing algorithm. The topology information determination module is used to determine the application topology information corresponding to the distribution network based on the obtained distribution measurement and control terminal model and the topology information of the distribution network, as well as the communication address of the distribution measurement and control terminal obtained in advance. The monitoring module is used to monitor the status of the power distribution network using the obtained application topology information.

6. A computer device comprising a memory and a processor, wherein the memory stores a computer program, characterized in that: When the processor executes the computer program, it implements the steps of the method according to any one of claims 1 to 4.

7. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, it implements the steps of the method according to any one of claims 1 to 4.

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