Main and distribution network three-level dispatching command network interaction and cooperation system

By constructing a three-level dispatch and command network interaction and collaboration system for the main and distribution networks, the problems of heavy power grid dispatching tasks and low efficiency of traditional command methods have been solved. Real-time data collection and visualization have been achieved, improving the level of intelligent and networked management of power grid dispatching.

CN120824915AActive Publication Date: 2025-10-21STATE GRID HUNAN ELECTRIC POWER COMPANY LIMITED
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Patent Information

Application Number
CN202510930695.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-07
Publication Date
2025-10-21
Estimated Expiration
2045-07-07

AI Technical Summary

Technical Problem

In the current power grid dispatching system, the main and distribution network dispatching tasks are heavy, dispatchers have a large workload, command efficiency is low, and the traditional ordering method leads to the squeezing of maintenance schedules, making it difficult to achieve optimized management through digitalization and networking.

Method used

Design a three-level dispatch and command network interaction and coordination system for the main and distribution networks, including data acquisition, data transmission, application services and display subsystems. Integrate OMS, D5000/distribution automation, grid-plant interaction and "iState Grid" data acquisition modules to realize real-time data acquisition, encrypted transmission and visualization display, and support power grid operation management, safety error prevention and collaborative dispatch.

Benefits of technology

It has improved the level of power grid dispatching and management, realized real-time tracking and intelligent quantitative evaluation of main and distribution network dispatching data, reduced construction and maintenance costs, optimized dispatching and command efficiency, strengthened intelligent error prevention capabilities, and realized the transformation from traditional telephone dispatching to digital and intelligent network dispatching.

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Patent Text Reader

Abstract

The invention provides a main and distribution network three-level scheduling command network interaction and cooperation system. The system comprises a data acquisition subsystem, a data transmission subsystem, an application service subsystem and a display subsystem. The data acquisition subsystem comprises an OMS data acquisition module, a D5000 / power distribution automation data acquisition module, a network plant interaction data acquisition module and an "i state grid" data acquisition module; the data transmission subsystem is used for encrypting data acquired by each module of the data acquisition subsystem from different data sources and transmitting the data to the application service subsystem; the application service subsystem comprises a main network scheduling application unit and a distribution network scheduling application unit, and is used for analyzing and processing the received data according to respective service requirements so as to realize a scheduling command function of a main network and a distribution network; and the display subsystem is used for displaying the data processed by the application service subsystem in a visualized manner, so that a dispatcher can conveniently carry out monitoring and decision making. The command management level of power grid dispatching can be improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of power grid dispatching and control, and in particular to a three-level dispatching and command network interaction and coordination system for a main and distribution network. Background Art

[0002] With the rapid growth of power grid load and the continuous expansion of the grid scale, the dispatching tasks of the main and distribution networks are becoming increasingly heavy, and the amount of grid equipment operations is increasing. Over 10,000 written and unwritten dispatching instructions are issued annually across the network. However, the main and distribution network dispatchers still commonly use traditional command methods such as telephone and fax for switching operations, resulting in a heavy workload for dispatchers and low command efficiency. During peak business hours, a large number of parallel operations have to wait for the dispatchers' rotating telephone instructions, further squeezing the already tightly compressed maintenance schedule. In the current context of digitalization and networking transformation, how to utilize digital and networked technologies to innovate, optimize, or establish new operational command and management models, freeing dispatchers from mechanical manual labor and allowing them to focus on risk analysis and production control, has become a major issue that urgently needs to be addressed in the main and distribution network dispatching profession. Improving and enhancing the interactive application of the main and distribution network dispatching command system is imminent. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a main and distribution network three-level dispatching command network interaction and coordination system in response to the deficiencies of the existing technology, so as to improve the command and management level of power grid dispatching.

[0004] In order to solve the above technical problems, the technical solution of the present invention is: A main distribution network three-level dispatching and command network interaction and coordination system, including a data acquisition subsystem, a data transmission subsystem, an application service subsystem and a display subsystem; the data acquisition subsystem includes an OMS data acquisition module, a D5000 / distribution automation data acquisition module, a grid-plant interaction data acquisition module and an "i State Grid" data acquisition module; the OMS data acquisition module is used to obtain maintenance plans, operation tasks, historical operation records and other data of the main distribution network from the OMS system, providing a data basis for operation ticket management and intelligent maintenance services; the D5000 / distribution automation data acquisition module is used to collect real-time information such as main grid electrical parameters, equipment status, distribution network line load, etc., providing data support for grid operation management and distribution network safety and error prevention; the grid-plant interaction data acquisition module is used to obtain real-time power plant operation status, power generation capacity, unit protection device status and other information, as well as interactive data related to the main and distribution network dispatching, for power generation plan coordination and power grid security and stability control; the "i State Grid" data acquisition module is used to receive abnormal conditions, arrival reports, on-site operation progress and other information reported by the main and distribution network dispatching on-site operators through the "i State Grid" mobile interactive platform; the data transmission subsystem is used to encrypt the data obtained from different data sources by various modules of the data acquisition subsystem and transmit it to the application service subsystem; the application service subsystem includes a main network dispatching application unit and a distribution network dispatching application unit; the main network dispatching application unit and the distribution network dispatching application unit analyze and process the received data according to their respective business needs to realize the dispatching and command function of the main and distribution network; the display subsystem is used to present the data processed by the application service subsystem in a visual manner to facilitate monitoring and decision-making by dispatching personnel.

[0005] Preferably, the main grid dispatching application unit includes a grid maintenance and operation module, a power plant operation management module, a grid operation management module, a comprehensive statistical report module, a certificate management module and a dispatching operation command APP module; the grid maintenance and operation module is used to manage the main grid maintenance and operation; the power plant operation management module is used to coordinate the power plant operation and formulate the power generation plan according to the grid-plant interaction data; the grid operation management module is used to use the main grid real-time data to evaluate the grid status, forecast the load and optimize the dispatch; the comprehensive statistical report module is used to perform data statistics and report generation on multiple aspects of the grid operation, and provide a decision basis for grid dispatching and management; the maintenance The certificate management module is used to be responsible for the qualification certification management of dispatching personnel; the dispatching operation command APP module is used to connect with the "i State Grid" mobile interactive platform to provide mobile office functions for dispatching personnel; the distribution network dispatching application unit includes a distribution network mobile APP module, a distribution network safety and error prevention module and a distribution network power outage and maintenance autonomous cruise module; the distribution network mobile APP module is used to enable distribution operation personnel to perform on-site operations and report data through the "i State Grid" mobile interactive platform; the distribution network safety and error prevention module is used to combine the real-time data of the distribution network to prevent erroneous operations in the distribution network operation; the distribution network power outage and maintenance autonomous cruise module is used to use the main distribution network data to realize the automated management of power outage maintenance.

[0006] Preferably, the power grid maintenance and operation module includes an operation ticket management submodule, a network command submodule, an intelligent maintenance business submodule, a dispatching business contact submodule, a safety and error prevention submodule, an auxiliary support submodule, an assessment and evaluation management submodule, and a provincial and local coordination submodule; the operation ticket management submodule is used for the preparation, review, and pre-issuance of operation tickets, the network command submodule is used for issuing and executing electronic pre-orders and positive orders according to the content of the operation ticket after the operation ticket is pre-issued, and the intelligent maintenance business submodule is used to ensure the orderly progress of maintenance work on the basis of the operation ticket management module and the network command module, and to realize network interaction and closed-loop management of the maintenance business throughout the process; The dispatching business contact submodule is used to cooperate with the operation ticket management submodule, the network command submodule, and the intelligent maintenance business submodule during the maintenance and operation process to ensure timely communication and coordination of information; the safety and error prevention submodule is used to ensure the safety of operation ticket execution and maintenance business; the auxiliary support submodule is used to provide auxiliary tools and information to dispatching operation personnel during the maintenance and operation process; the assessment and evaluation management submodule is used to supervise and evaluate the behavior of operating personnel during the entire maintenance and operation process; the provincial and local coordination submodule is used to cooperate with other functional modules to achieve collaborative work between provincial and local dispatching to ensure the overall coordination of main distribution network dispatching.

[0007] Preferably, the power grid maintenance and operation module also includes a coordination submodule for coordinating and guiding the orderly execution of each submodule; the coordination submodule is used to: (1) set a traction starting point before the operation ticket management, and the traction starting point is responsible for collecting basic information of the power grid maintenance task, which includes the type, scope and importance of the maintenance, and provides basic information and direction guidance for the execution of subsequent submodules; (2) draw three traction lines from the traction starting point, which are respectively connected to the operation ticket management submodule, the safety and error prevention submodule and the intelligent maintenance business submodule. These three traction lines represent different coordination strategies and focuses, among which (2-1) is connected to the operation ticket management submodule The traction line of the control system focuses on the standardization and accuracy of the operation process to ensure that the preparation, review and pre-issuance of the operation ticket are strictly carried out in accordance with the standards, providing clear operation guidance for the entire maintenance process. (2-2) The traction line connected to the safety and error prevention sub-module focuses on safety assurance to strengthen safety measures at all stages of the maintenance process, timely discover and correct potential safety risks, and ensure the safe progress of maintenance work. (2-3) The traction line connected to the intelligent maintenance business sub-module focuses on the efficiency and quality of maintenance to coordinate various links in the maintenance process; (3) The tension of the three traction lines is continuously adjusted during operation, that is, the execution degree of the three corresponding sub-modules is dynamically adjusted according to actual conditions.

[0008] Preferably, the coordination submodule is also used to guide and coordinate the network command submodule, the dispatching business contact submodule, the auxiliary support submodule, the assessment and evaluation management submodule and the provincial and local collaborative submodule during the execution process, specifically including: (4) For the network command submodule, the coordination submodule adjusts the rhythm and method of issuing commands according to the content of the operation ticket and the safety and error prevention standards to ensure that the issuer and the recipient strictly follow the process and ensure the accuracy and safety of the instructions; (5) The dispatching business contact submodule reports important information in the maintenance process in a timely manner according to the instructions of the coordination submodule; (6) The auxiliary support submodule provides other submodules with necessary auxiliary tools and information according to the needs of the coordination submodule; (7) The assessment and evaluation management submodule objectively evaluates the execution of each submodule according to the standards of the coordination submodule; (8) The provincial and local collaborative submodule realizes efficient collaboration between provincial and local dispatch under the coordination of the coordination submodule.

[0009] Preferably, the power plant operation management module includes an output composition statistics submodule, a thermal power plant operation management submodule, a hydropower plant operation management submodule, a wind power plant operation management submodule, a commissioned unit operation management submodule and a power plant interactive information management submodule; the output composition statistics submodule is used to count the actual output of each power type and the maximum output at the moment according to the power type; the thermal power plant operation management submodule is used to perform statistics on the operation of the main thermal power, statistics on the thermal power load rate, thermal power plant output adjustment, daily statistics on the implementation of the thermal power plant dispatching plan, monthly statistics on the implementation of the thermal power plant dispatching plan and daily reports on coal dispatching to ensure power supply; the hydropower plant operation management submodule is used to manage the start and shutdown of hydropower and the interactive management of hydropower and thermal power; the wind power plant operation management submodule is used to detect abnormal data of wind turbines; the commissioned unit operation management submodule is used to manage the dispatch of commissioned units in various places in the province; the power plant interactive information management submodule is used to display power plant obstruction information.

[0010] Preferably, the distribution network mobile APP submodule is used to: (a1) manage the reception and execution of operation instructions, including (a1-1) after receiving the operation instruction, the distribution network mobile APP immediately pops up a reminder, and displays the detailed content and priority of the instruction, and for high-priority instructions, adopts a more eye-catching prompt method, such as sound and vibration, (a1-2) intelligently repeat the operation instruction, automatically recognize the voice repetition content of the operation and maintenance personnel, and compare it with the operation instruction to ensure the accuracy of the repetition, (a-3) add real-time positioning and picture upload reporting functions, so that the operation and maintenance personnel can upload photos and location information of the site at the same time when reporting, so that the dispatcher can understand the on-site situation more intuitively; (a2) manage information display, including (a2-1) the display content of the electronic bulletin board includes the progress of the maintenance operation, the estimated completion time and the scope of the equipment involved, and the bulletin board is personalized according to the authority of the operation and maintenance personnel, and only displays information related to themselves, (a2-2) the distribution network mobile APP Real-time data such as the current power grid load and equipment operating status are displayed to facilitate operation and maintenance personnel to understand the power grid operation status at any time and better execute operation instructions.

[0011] Preferably, the distribution network security error prevention module is used for: (b1) managing identity authentication error prevention, including (b1-1) using fingerprint recognition or facial recognition identity authentication to ensure that only authorized operation and maintenance personnel can perform operations, and at the same time, for important operation instructions, using a multi-factor combination identity authentication method to improve security, (b1-2) the identity authentication process is closely integrated with the distribution network mobile APP, and the operation and maintenance personnel automatically perform identity authentication when using the distribution network mobile APP to perform operations, without the need to repeatedly enter passwords and other information; (b2) managing instruction execution error prevention, including (b2-1) before executing the operation instruction, re-verifying the operation instruction to ensure the accuracy and legality of the instruction, and the verification content includes the source of the instruction, Operation objects and operation steps. If any problems are found in the operation instructions, the dispatcher will be notified in time to make corrections. (b2-2) The operation process is monitored in real time, and the operation of the operation and maintenance personnel is tracked throughout the process. Once an abnormal situation is found, an alarm will be immediately issued and the operation will be stopped. (b3) The safety verification of power outage and restoration is managed, including (b3-1) automatic safety verification based on the real-time operation status and operation instructions of the power grid, and a detailed verification report will be given. If the verification fails, the problem will be automatically prompted and a solution will be provided. (b3-2) The safety verification results are synchronized with the distribution network mobile APP in real time. The operation and maintenance personnel can view the safety verification results on the distribution network mobile APP to understand the risk level of the operation and thus execute the operation instructions more cautiously.

[0012] Preferably, the distribution network power outage maintenance autonomous cruise module is used for: (c1) managing power outage applications and verifications, including (c1-1) power outage network application process, in which operation and maintenance personnel directly submit power outage applications through the distribution network mobile APP. The application content includes the reason for the power outage, the expected power outage time and the scope of impact. The system automatically reviews the application and gives the review results; (c1-2) power outage autonomous verification, in which the system automatically performs power outage verification based on factors such as the operating status of the power grid, the load of the equipment, and the power demand of the user, and gives the optimal power outage plan. At the same time, the verification results are pushed to the operation and maintenance personnel in real time through the distribution network mobile APP to facilitate their adjustment and optimization; (c2) management of maintenance work reports, including (c2-1) networked maintenance work reports, in which operation and maintenance personnel report in a predetermined format and content through the distribution network mobile APP, including maintenance progress, problems found, measures taken, etc., and the system automatically Organize and analyze the report content and generate a maintenance work report to facilitate the dispatcher's management and decision-making. (c2-2) Monitor the maintenance work in real time so that the dispatcher can understand the progress of the maintenance work in real time, provide remote guidance and supervision of the maintenance process, and notify the operation and maintenance personnel in time if any problems are found to deal with them. (c3) Manage the intelligent power outage notification, including (c3-1) intelligent power outage notification. The system automatically sends a power outage notification to the affected users based on the power outage plan and the user's electricity consumption information. The notification content includes the power outage time, affected area, expected power restoration time, etc. At the same time, it adjusts and optimizes according to the power demand and special circumstances fed back by the user through the distribution network mobile APP or other channels. (c3-2) The power outage notification is closely integrated with the distribution network mobile APP. The operation and maintenance personnel check the delivery status of the power outage notification and the user's feedback information on the distribution network mobile APP, understand the user's needs in a timely manner, and provide good service.

[0013] Preferably, the display subsystem includes a visualization display module and a real-time monitoring and early warning module; the visualization display module is used to display the operating status of the main distribution network, dispatching command information and maintenance plan execution status, and provide decision support for dispatching personnel; the real-time monitoring and early warning module is used to monitor the main distribution network operating data in real time, and issue an alarm and provide corresponding processing suggestions when an abnormal situation occurs.

[0014] The beneficial effects of the present invention are: The main and distribution network three-level dispatching and command network interaction and collaboration system proposed in the present invention is an upgrade and expansion of the service scope and business applications based on the existing technical architecture, application architecture, data architecture and security architecture. The present invention can meet the dispatching and command business needs between the horizontal main network dispatching and substation operation personnel, the distribution network dispatching and distribution operation personnel, and the vertical provincial and local dispatching, improve the anti-error closed loop of the main and distribution network dispatching and commanding process, realize the real-time tracking, collection and analysis of the main and distribution network dispatching and commanding data, and intelligently and quantitatively evaluate the main and distribution network dispatching and commanding situation. It also achieves full coverage of the main and distribution network dispatching and commanding contact business applications, enriches the business applications between dispatching and substation operation personnel, and adds dispatching and power supply measurement services based on the network-plant interaction platform. Based on artificial intelligence technology, a facial feature library is built to strengthen the identity anti-error capability in the instruction sending and receiving process.

[0015] The present invention is based on the construction of a control cloud platform, which greatly reduces construction and maintenance costs, improves the friendliness of platform and application interaction, completes the transformation of traditional telephone dispatching and command to digital network command mode, optimizes dispatching and command efficiency, strengthens intelligent anti-error tracking and verification capabilities, introduces high-tech technologies such as face recognition, intelligently and quantitatively analyzes the quality of dispatching and command behaviors, and comprehensively improves the regional power grid dispatching and command management level. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a system structure diagram of the present invention; Figure 2 This is the structural diagram of the main network scheduling application unit; Figure 3 It is the structural diagram of the distribution network scheduling application unit; Figure 4 It is the structural diagram of the power grid maintenance and operation module; Figure 5 It is the structural diagram of the power plant operation management module. DETAILED DESCRIPTION

[0017] For the convenience of understanding the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood by those skilled in the art that the embodiments are only provided to help understand the present invention and should not be regarded as specific limitations of the present invention. Example 1

[0018] like Figure 1As shown, the present invention provides a main distribution network three-level dispatching and command network interaction and collaboration system, including a data acquisition subsystem, a data transmission subsystem, an application service subsystem and a display subsystem; the data acquisition subsystem includes an OMS data acquisition module, a D5000 / distribution automation data acquisition module, a grid-plant interaction data acquisition module and an "i State Grid" data acquisition module; the OMS data acquisition module is used to obtain maintenance plans, operation tasks, historical operation records and other data of the main distribution network from the OMS system, providing a data basis for operation ticket management and intelligent maintenance services; the D5000 / distribution automation data acquisition module is used to collect real-time information such as main grid electrical parameters, equipment status, distribution network line load, etc., providing data support for power grid operation management and distribution network safety and error prevention; the grid-plant interaction data acquisition module is used to obtain real-time information such as power plant operation status, power generation capacity, unit protection, etc. The information such as the status of protective devices and interactive data related to the main and distribution network dispatching are used for power generation plan coordination and power grid security and stability control; the "i State Grid" data acquisition module is used to receive abnormal conditions, arrival reports, on-site operation progress and other information reported by the on-site operators of the main and distribution network dispatching through the "i State Grid" mobile interactive platform; the data transmission subsystem is used to encrypt the data obtained from different data sources by various modules of the data acquisition subsystem and transmit it to the application service subsystem; the application service subsystem includes the main network dispatching application unit and the distribution network dispatching application unit; the main network dispatching application unit and the distribution network dispatching application unit analyze and process the received data according to their respective business needs to realize the dispatching and command function of the main and distribution network; the display subsystem is used to present the data processed by the application service subsystem in a visual manner, so as to facilitate the dispatching personnel to monitor and make decisions.

[0019] The display subsystem includes a visual display module and a real-time monitoring and early warning module; the visual display module is used to display the operating status of the main distribution network, dispatching command information and maintenance plan execution status in the form of intuitive charts, maps, etc., providing decision support for dispatchers; the real-time monitoring and early warning module is used to monitor the operating data of the main distribution network in real time, issue an alarm when an abnormal situation occurs, and provide corresponding handling suggestions.

[0020] The data transmission subsystem encrypts collected data to ensure data security during transmission and prevent data leakage. It also leverages the communication capabilities of the control cloud platform to ensure real-time and stable data transmission, ensuring that all functional modules can access required data in a timely manner. Furthermore, the "i State Grid" mobile interactive platform serves as a bridge between the data acquisition subsystem and the dispatching and operation command app module and distribution network mobile app module of the application service subsystem, enabling real-time interaction between on-site operators and the dispatch center. The grid-plant interactive data acquisition module provides important data support for main grid dispatching application units such as power generation plan coordination and grid safety and stability control, as well as for distribution network dispatching application units, enabling coordinated operation between the main and distribution grids and power plants.

[0021] The overall system architecture of the present invention follows the dispatching cloud platform architecture and micro-application technology. It can provide a standard technical support system and unified computing and storage resources for the system through the distributed service framework, distributed database, and distributed message queue of the control cloud platform. It can provide mobile applications such as pre-order receipt, order replay, message reminders, electronic bulletin boards, and exception reporting to substation operators via the "i State Grid 3.0" platform in internet and extranet environments. It can also provide power plant operators with functions such as unit status management, unit output limit reporting, unit PSS commissioning and decommissioning reporting, and plan adjustment reporting via the grid-plant information interaction platform in internet and extranet environments. The system application structure is built on the Sass layer of the control cloud platform. It can access graphical model information and real-time information from the OMS system and D5000 / distribution automation system through the control cloud platform service bus. It can conduct real-time grid-plant information exchange with the grid-plant interaction platform in the internet region through the control cloud platform, supporting grid-plant network command business applications. It can also conduct real-time control command interaction with the "i State Grid" mobile interaction platform through the control cloud platform, supporting network interaction applications for main and distribution network dispatching and command. The data sources of the system include telesignaling and telemetry data, section files, operation ticket data of the intranet D5000 system and distribution automation system, maintenance plan of the intranet OMS system, power generation operation management data, etc. Example 2

[0022] like Figure 2 As shown, the main grid dispatching application unit includes a power grid maintenance and operation module, a power plant operation management module, a power grid operation management module, a comprehensive statistical report module, a certificate-holding management module and a dispatching operation command APP module; the power grid maintenance and operation module is used to manage the main grid maintenance and operation; the power plant operation management module is used to coordinate the power plant operation and formulate power generation plans based on the grid-plant interaction data to ensure the stability of the main grid power supply; the power grid operation management module is used to use the real-time data of the main grid to evaluate the grid status, forecast the load and optimize the dispatch; the comprehensive statistical report module is used to perform data statistics and report generation on multiple aspects of the power grid operation, providing a decision-making basis for power grid dispatching and management; the certificate-holding management module is responsible for the qualification certification management of dispatching personnel; the dispatching operation command APP module is used to connect to the "i State Grid" mobile interactive platform to provide dispatching personnel with mobile office functions, so as to facilitate the understanding of the main grid situation.

[0023] The distribution network dispatching application unit includes a distribution network mobile APP module, a distribution network safety and error prevention module, and a distribution network power outage and maintenance autonomous cruise module; the distribution network mobile APP module is used to enable distribution operation personnel to perform on-site operations and report data through the "i State Grid" mobile interactive platform, and use distribution network data to improve work efficiency; the distribution network safety and error prevention module is used to combine real-time distribution network data to prevent erroneous operations in distribution network operations and ensure the safety of distribution network operation; the distribution network power outage and maintenance autonomous cruise module is used to use the main distribution network data to realize automated management of power outage maintenance.

[0024] The distribution network mobile APP module is used to: (a1) manage the reception and execution of operation instructions, including (a1-1) after receiving the operation instruction, the distribution network mobile APP will immediately pop up a reminder, and display the detailed content and priority of the instruction. For high-priority instructions, more eye-catching prompts are used, such as sound and vibration. (a1-2) intelligent repetition of operation instructions, automatic recognition of the voice repetition content of the operation and maintenance personnel, and comparison with the operation instructions to ensure the accuracy of the repetition. (a-3) adding real-time positioning and picture upload reporting functions, so that the operation and maintenance personnel can upload photos and location information of the site at the same time when reporting, so that the dispatcher can understand the on-site situation more intuitively; (a2) management of information display, including (a2-1) the display content of the electronic bulletin board includes the progress of the maintenance operation, the estimated completion time and the scope of the equipment involved. At the same time, the bulletin board is personalized according to the authority of the operation and maintenance personnel, and only displays information related to themselves. (a2-2) distribution network mobile APP Real-time data such as the current power grid load and equipment operating status are displayed to facilitate operation and maintenance personnel to understand the power grid operation status at any time and better execute operation instructions.

[0025] The distribution network security and error prevention module is used to: (b1) manage identity authentication and error prevention, including (b1-1) using fingerprint recognition or facial recognition identity authentication to ensure that only authorized operation and maintenance personnel can perform operations. At the same time, for important operation instructions, a multi-factor combination identity authentication method is used to improve security. (b1-2) The identity authentication process is closely integrated with the distribution network mobile APP. When the operation and maintenance personnel use the distribution network mobile APP to perform operations, they automatically perform identity authentication without having to repeatedly enter passwords and other information. (b2) manage the error prevention of instruction execution, including (b2-1) before executing the operation instruction, re-verify the operation instruction to ensure the accuracy and legality of the instruction. The verification content includes the source of the instruction, the operation object, and the operation steps. If any problem is found in the operation instruction, the dispatcher is notified in time to make corrections. (b2-2) Real-time monitoring of the operation process and tracking of the operation and maintenance personnel's operations throughout the process. Once an abnormal situation is found, an alarm is immediately issued and the operation is stopped. For example, if the operation and maintenance personnel deviate from the predetermined operation steps during the operation, or the operation time is too long, an alarm is automatically issued. (b3) Manage the safety verification of power outages and restorations, including (b3-1) automatically performing safety verification based on the real-time operating status of the power grid and operating instructions, and providing a detailed verification report. If the verification fails, the problem is automatically prompted and a solution is provided. (b3-2) The safety verification results are synchronized with the distribution network mobile app in real time. Operation and maintenance personnel can view the safety verification results on the distribution network mobile app, understand the risk level of the operation, and thus execute the operation instructions more cautiously.

[0026] The distribution network power outage maintenance autonomous cruise module is used for: (c1) managing power outage applications and verifications, including (c1-1) the power outage network application process, where the operation and maintenance personnel directly submit the power outage application through the distribution network mobile APP. The application content includes the reason for the power outage, the expected power outage time and the scope of impact. The system automatically reviews the application and gives the review results. (c1-2) power outage autonomous verification, where the system automatically performs power outage verification based on factors such as the operating status of the power grid, the load of the equipment, and the user's electricity demand, and gives the optimal power outage plan. At the same time, the verification results are pushed to the operation and maintenance personnel in real time through the distribution network mobile APP to facilitate their adjustments and optimizations; (c2) management of maintenance work reports, including (c2-1) networked maintenance work reports, where the operation and maintenance personnel report in a predetermined format and content through the distribution network mobile APP, including maintenance progress, problems found, measures taken, etc. The system automatically verifies the report. The system organizes and analyzes the content and generates maintenance work reports to facilitate the dispatcher's management and decision-making. (c2-2) Real-time monitoring of maintenance work is carried out to enable the dispatcher to understand the progress of the maintenance work in real time, and remotely guide and supervise the maintenance process. If any problems are found, the operation and maintenance personnel are notified in time to deal with them. (c3) Management of intelligent power outage notifications, including (c3-1) intelligent power outage notifications. The system automatically sends power outage notifications to affected users based on the power outage plan and the user's electricity consumption information. The notification content includes the power outage time, affected area, expected power restoration time, etc. At the same time, adjustments and optimizations are made based on the power demand and special circumstances fed back by users through the distribution network mobile APP or other channels. (c3-2) The power outage notification is closely integrated with the distribution network mobile APP. The operation and maintenance personnel check the delivery status of the power outage notification and user feedback information on the distribution network mobile APP, timely understand the user's needs, and provide good service. Example 3

[0027] like Figure 3As shown, the power grid maintenance and operation module includes an operation ticket management submodule, a network command submodule, an intelligent maintenance business submodule, a dispatching business contact submodule, a safety and error prevention submodule, an auxiliary support submodule, an assessment and evaluation management submodule, and a provincial and local coordination submodule; the operation ticket management submodule is used for the preparation, review, and pre-issuance of operation tickets; the network command submodule is used for issuing and executing electronic pre-orders and positive orders according to the content of the operation ticket after the operation ticket is pre-issued; the intelligent maintenance business submodule is used to ensure the orderly progress of maintenance work on the basis of the operation ticket management module and the network command module, and to realize the network interaction and closed-loop management of the maintenance business. The dispatching business contact submodule coordinates with the operation ticket management submodule, network command submodule, and intelligent maintenance business submodule during maintenance and operation to ensure timely communication and coordination of information. The safety and error prevention submodule ensures the safety of operation ticket execution and maintenance operations. The auxiliary support submodule provides auxiliary tools and information to dispatching operators during maintenance and operation. The assessment and evaluation management submodule monitors and evaluates the behavior of operators throughout the maintenance and operation process. The provincial and local coordination submodule coordinates with other functional modules to achieve collaborative work between provincial and local dispatching and ensure overall coordination of main and distribution network dispatching. The detailed functions of each submodule are shown below.

[0028] The Operation Ticket Management Submodule: This module publishes and outputs operation ticket data through the control cloud platform service bus. Operation tickets include drafting, reviewing, pre-issuing, executing, canceling, revising, evaluating, and archiving. It also features dispatch order verification, exporting, historical and typical ticket generation, and automatic log generation. During the pre-issuance phase, the regional power grid dispatching command network interactive platform issues pre-orders to subordinate dispatching units and notifies relevant personnel to sign for them.

[0029] The network-based command submodule implements electronic pre-order and final order functions for dispatch operations such as item-by-item, comprehensive, delegated, and immediate orders. Pre-orders require both issuance and receipt. Each final order follows the complete six-step network-based command process: "sender issues order, receiver repeats, sender confirms, receiver reports, sender receives order, and receiver confirms." Operational instructions must be authorized by the dispatcher and, after passing safety and error-proofing checks, are issued by the on-duty dispatcher. Network-based command operations offer security and error-proofing features, with real-time transmission of command information ensuring dispatched personnel receive dispatched instructions promptly. This is achieved through instant push notifications, voice to-do reminders, and SMS alerts.

[0030] The intelligent maintenance business submodule implements networked interaction and closed-loop management of maintenance services, including planned maintenance, temporary maintenance, coordinated maintenance, and maintenance revisions. The maintenance process primarily consists of operation ticket review and pre-issuance, power outage verification, operation preparation, operation execution, maintenance commencement, maintenance extension (optional), maintenance completion, power restoration verification, operation preparation, operation execution, and card archiving. It includes features such as online power outage application, self-verification of power outages, online maintenance reporting, and intelligent power outage notifications.

[0031] The Dispatching Business Contact Submodule leverages network communication and security encryption technologies to provide networked dispatching and contact management for dispatching telephone scenarios such as live line work reporting, information reporting, value order execution, and temporary safety measures approval. This allows for dispatching operations related to non-operational tasks such as dispatching and reporting. Key areas include live line work, information reporting, value order execution, temporary safety measures management, crew work reporting, arrival reporting, live line inspections, orderly power usage, accident power rationing, voltage adjustment, load transfer, power supply protection applications, special equipment patrols, changes in dispatching authority, trial operation, and restoration of manned operations.

[0032] Detailed work of each content: 1) Line live operation: support line live operation plant station application, dispatching confirmation, instruction pre-issuance, operation execution, dispatching start, plant station confirmation closed-loop management; 2) Information reporting: support power grid integration, abnormal information reporting, dispatching confirmation closed-loop management; 3) Fixed value order execution: support drafting fixed value order, on-site reception, dispatching verification, on-site execution, dispatching confirmation, archiving closed-loop management; 4) Temporary safety measures management: support instruction pre-issuance, operation execution, dispatching confirmation (notification of start) closed-loop management; 5) Unit work report: support dispatching reporting management of (direct dispatch / entrusted) units, support dispatching notification, plant station application, dispatching withdrawal, operation execution, dispatching confirmation closed-loop management; 6) Arrival report: support plant station arrival clock-in, dispatching confirmation closed-loop management; 7) Live line inspection: support provincial dispatching notification, local dispatching (line operation and maintenance) confirmation, local dispatching (line operation and maintenance) report, provincial dispatching confirmation closed-loop management; 8) Orderly power consumption: support provincial dispatching notification, local dispatching Confirmation, local dispatch report, provincial dispatch confirmation closed-loop management; 9) Accident power restriction: supports provincial dispatch notification, local dispatch confirmation, local dispatch report, provincial dispatch confirmation closed-loop management; 10) Voltage adjustment: supports local dispatch application, provincial dispatch review, local dispatch report, provincial dispatch confirmation closed-loop management; 11) Load transfer: supports local dispatch application, provincial dispatch review, local dispatch report, provincial dispatch confirmation closed-loop management; 12) Power supply application: supports power supply local dispatch application, provincial dispatch confirmation closed-loop management; 13) Equipment special patrol: supports dispatch notification, The plant (plant, station, line operation and maintenance) confirms the closed-loop management; 14) Changes in dispatching rights: support local dispatching (plant, station) application (optional), provincial dispatching confirmation, and notification of local dispatching (plant, station, line operation and maintenance) to the closed-loop management; 15) Changes in centralized control responsibilities: support centralized control reporting and dispatching confirmation of closed-loop management; 16) Trial operation: support dispatching notification and plant (plant, station, line operation and maintenance) confirmation of closed-loop management; 17) Restoration of manned operation: support dispatching notification and local dispatching (plant, station, line operation and maintenance) confirmation of closed-loop management.

[0033] The security and error prevention submodule primarily includes applications such as identity authentication and error prevention, command execution error prevention, power outage and restoration safety verification, dispatch operation specification management, on-site operation specification management, process record management, and system security protection. 1) Information Intranet Facial Feature Database: This module manages the facial feature database for provincial and local dispatch units at all levels, offering web and mobile face entry, face filing, and database maintenance capabilities. It also features facial feature information collection, comparison, and capture, as well as photo watermarking to prevent errors. When sending and receiving commands, facial feature comparison can be used to assist in completing operational instructions and prevent identity errors. The facial feature database can be applied to other business scenarios related to dispatch and command network interactions. 2) Public announcements: Realize application functions such as electronic bulletin boards, duty status indications, dispatching command status displays, and dispatching notification announcements; support the public announcement of today's work plan and work already carried out, and provide dispatching duty hierarchical management functions; support dispatchers to manually set duty status and share it with substation operators in real time; support command, permission, and entrusted operation process information to be displayed in a rolling manner to dispatchers and substation personnel in the form of announcements; support dynamic display of each maintenance work progress, operation instruction execution status, power outage and restoration condition verification results, and operation error prevention verification results throughout the entire process based on the operation ticket and inspection card type, operation time, start and completion time, and execution status.

[0034] Auxiliary support submodule: provides auxiliary tool applications related to dispatch instruction network issuance, assisting dispatch operation personnel to perform network order operations quickly, preparedly and safely; provides unified and centralized management of order-receiving units and order qualifications; provides network channel monitoring tools to grasp the network anomalies between the master station and the plant station in real time, and issue early warnings for anomalies; supports the full process of dispatch instruction execution, multi-dimensional statistics, and query functions; supports the aggregation and classification of dispatch pending messages, and reminds dispatchers according to priority levels through voice broadcasts, voice alarms, etc.

[0035] Assessment and evaluation management sub-module: By collecting and analyzing the data on the operating personnel's behavior in receiving orders during the network order issuance process, statistics are collected on the operating personnel's failure to sign on time and report to the local survey in time, failure to arrive at the site on time and report to the local survey in time, failure to report the details of the accident on time without a valid reason, failure to report the line inspection results on time without a valid reason, or learning the line inspection results later than the equipment department. It provides timeliness of operation ticket signing, timeliness of on-site personnel arrival, timeliness of abnormal fault reporting, timeliness of line inspection result reporting, timeliness of power outage plan execution, and dispatch object management functions.

[0036] The provincial and local coordination submodule: This interoperability module connects the provincial and local systems, enabling data interconnection between the provincial and local dispatching modules. This system interconnection utilizes a data integration solution to enable real-time data exchange between the provincial and local dispatching modules on the server side. The provincial dispatching system authorizes operations, requiring local dispatching to execute them. The provincial dispatching system issues commands to the local dispatching system. Upon receiving these network commands, the local dispatching system prepares the corresponding operation ticket and issues the command to the plants and stations under its jurisdiction via the network command system. The provincial dispatching system can also query the execution status of network commands issued by each local dispatching system.

[0037] The power grid maintenance and operation module also includes a coordination submodule, which is used to coordinate and guide the orderly execution of each submodule; the coordination submodule is used to: (1) set a traction starting point before the operation ticket management. The traction starting point is responsible for collecting basic information of the power grid maintenance task. The basic information includes the type, scope and importance of the maintenance, and provides basic information and direction guidance for the execution of subsequent submodules; (2) three traction lines are drawn from the traction starting point, which are respectively connected to the operation ticket management submodule, the safety and error prevention submodule and the intelligent maintenance business submodule. These three traction lines represent different coordination strategies and focuses. Among them, the traction line (2-1) connected to the operation ticket management submodule focuses on the standardization and accuracy of the operation process to ensure the operation The drafting, review, and pre-issuance of tickets are strictly carried out in accordance with the standards, providing clear operational guidance for the entire maintenance process. (2-2) The traction line connected to the safety and error prevention submodule focuses on safety assurance, strengthening safety measures at all stages of the maintenance process, promptly discovering and correcting potential safety risks, and ensuring the safe progress of maintenance work. (2-3) The traction line connected to the intelligent maintenance business submodule focuses on the efficiency and quality of maintenance, coordinating all aspects of the maintenance process, optimizing resource allocation, improving the intelligence level of maintenance work, and ensuring that maintenance tasks are completed on time and with high quality. (3) The tension of the three traction lines is continuously adjusted during operation, that is, the execution degree of the three corresponding submodules is dynamically adjusted according to actual conditions. For example, if a high safety risk is found, the tension of the traction line connected to the safety and error prevention submodule will be increased, prompting the module to more strictly implement safety measures; if the maintenance progress lags behind, the tension of the traction line connected to the intelligent maintenance business submodule will be increased to accelerate the maintenance progress.

[0038] By constructing a coordination submodule, the execution of each functional submodule in the power grid maintenance and operation module can be effectively coordinated to improve the efficiency and quality of the entire maintenance process. In the operation ticket management submodule, the traction line is used to ensure that the drafting of the operation ticket can fully consider the needs of safety and error prevention and intelligent maintenance services. For example, when drafting the operation ticket, the key safety operation steps are clearly marked according to the requirements of safety and error prevention; at the same time, the operation sequence and time are reasonably arranged in combination with the plan of the intelligent maintenance business. Under the supervision of this coordination submodule, the safety and error prevention submodule can continuously strengthen safety precautions; for the intelligent maintenance business submodule, the coordination submodule can monitor the maintenance progress and quality in real time, adjust the execution strength of each link according to the actual situation, and if a problem is found in a certain link, coordinate other modules to provide support in a timely manner to ensure the smooth progress of the maintenance work.

[0039] The coordination submodule is also used to guide and coordinate the network command submodule, dispatching business contact submodule, auxiliary support submodule, assessment and evaluation management submodule and provincial and local coordination submodule during the execution process, including: (4) For the network command submodule, the coordination submodule adjusts the rhythm and method of issuing orders according to the content of the operation ticket and the safety and error prevention standards to ensure that the issuer and the receiver strictly follow the process and ensure the accuracy and safety of the instructions; (5) The dispatching business contact submodule reports important information in the maintenance process in a timely manner according to the instructions of the coordination submodule; (6) The auxiliary support submodule provides other submodules with necessary auxiliary tools and information according to the needs of the coordination submodule; (7) The assessment and evaluation management submodule objectively evaluates the execution of each submodule according to the standards of the coordination submodule; (8) The provincial and local coordination submodule realizes efficient collaboration between provincial and local dispatch under the coordination of the coordination submodule. Example 4

[0040] like Figure 4 As shown, the power plant operation management module includes an output composition statistics submodule, a thermal power plant operation management submodule, a hydropower plant operation management submodule, a wind power plant operation management submodule, a commissioned unit operation management submodule and a power plant interactive information management submodule; the output composition statistics submodule is used to count the actual output and maximum output of each power type according to the power type, and supports daily query and export; the thermal power plant operation management submodule is used to perform statistics on the operation of the main thermal power, statistics on the thermal power load rate, thermal power plant output adjustment, daily statistics on the implementation of the thermal power plant dispatch plan, monthly statistics on the implementation of the thermal power plant dispatch plan and daily reports on coal dispatching and power supply; the hydropower plant operation management submodule is used to manage the start and stop of hydropower and the interactive management of hydropower and thermal power; the wind power plant operation management submodule is used to detect abnormal data of wind turbines; the commissioned unit operation management submodule is used to manage the dispatch of commissioned units in various parts of the province; the power plant interactive information management submodule is used to display power plant obstruction information.

[0041] Thermal power plant operation management submodule: 1) Main thermal power operation status: Statistics on coal supply, coal consumption, inventory, days of coal availability, rated capacity, planned maximum power, actual maximum power, output plan execution rate, actual maximum power, output plan execution rate, rated installed capacity utilization rate, planned daily power, actual power, power execution rate, support daily query and export function; 2) Thermal power load rate: Statistics on rated capacity, daily power, startup capacity, new load rate, time of each power plant, support daily query and export function; 3) Thermal power plant output adjustment: Realize the real-time output of the direct-adjustment thermal power plant units connected to the control cloud platform, and have the function of connecting to the external system The system enables the upload and issuance of instructions and two-way synchronization of market call status. It has functions for issuing instructions, confirming them, signing for them, and providing reminders for pending tasks. It features an overview interface for thermal power plant units, unit status information, and real-time push notifications for instruction confirmation information. It also allows for manual modification of unit status, with records kept after status changes. The system also allows for viewing the real-time output curves of specific units. 4) Daily statistics on the execution of thermal power plant dispatch plans: Statistics on the thermal power plant's maximum output for the day: planned output, actual output, actual difference from plan, output plan execution rate, and output change compared to yesterday; daily power generation: planned electricity, actual electricity, and daily planned electricity execution rate. This system can be queried by time interval and has an export function. 5) Monthly statistics on the execution of thermal power plant dispatch plans: Statistics on the thermal power plant's monthly cumulative coal intake, inventory changes, current inventory, daily average output plan execution rate, daily average electricity plan execution rate, daily average rated installed capacity utilization rate, monthly cumulative planned electricity, actual monthly cumulative electricity, and monthly planned electricity completion rate. This system can be queried by time interval and has an export function. 6) Daily report on coal adjustment and power supply: The daily report on coal adjustment and power supply automatically generates the load status and coal storage status of power plants.

[0042] Hydropower plant operation management submodule: 1) Hydropower start-up and shutdown management: realize the access of the control cloud platform to the real-time output of the units of the directly-dispatched hydropower plant, have the unit start-up and shutdown process of the provincially-dispatched directly-dispatched hydropower plant, and have the instruction issuance process, and need to have a convenient and fast positioning and query historical data function interface; 2) Hydropower and thermal power interaction management: realize the declaration of the upper and lower limit blocked capacity data of the provincially-dispatched directly-dispatched hydropower plant, hierarchically manage the declaration of hydropower and thermal power separately, the power plant side declares on the grid plant platform, and the information is transmitted to the intranet security zone 3. The dispatching side security zone 3 reviews and confirms the data and transmits it to the grid plant platform. It has process information review and historical data query, can perform manual maintenance on the submission requirements, provide operation record query, has intraday plan issuance, basic data query and maintenance, can perform daily statistics, interval statistics, peak maximum obstruction statistics on the reported data, and provides a declaration display interface.

[0043] Wind farm operation management submodule: This module has the ability to detect abnormal wind turbine data. The collected wind turbine information includes the power-on status, wind speed, and active power of each wind turbine at each point in the wind farm (every 15 minutes). By establishing logic for wind turbine non-stop and freezing assessments, it is possible to identify abnormal values ​​in wind turbine data. This allows data assessments to replace freezing assessments, thereby enhancing the proactive nature of wind farms. Current assessments are based on fully accurate wind turbine data, but wind turbine data always contains abnormal values. During periods of rain, snow, and freezing, the wind turbine meteorological instrument (wind speed sensor) may freeze, leading to abnormal wind speeds.

[0044] Entrusted unit operation management submodule: multiple local dispatching units in the province are entrusted for management, and local dispatching units are managed in a hierarchical manner. The local dispatching provides an overview interface to list the power plant units under the jurisdiction of the local dispatching, and intuitively view the current unit status of each power plant. The unit status conversion is realized in the overview interface, and the unit status change is applied for in the interface and reported to the provincial dispatching. The provincial dispatching side can view the status information of multiple local dispatching entrusted units, access the power plant ledger information from the control cloud platform, and identify and maintain the provincial party committee unit information.

[0045] Power plant interactive information management submodule: provides a display of power plant obstruction information. The dispatching side can view an overview of the obstruction information of all power plant units, provide network dispatch synchronization record query, and query the obstruction information file, operator, operation time and other information reported to the network dispatch. The file can be viewed and downloaded.

[0046] Functions of the power grid operation management module: 1) Orderly power consumption monitoring table: Statistics of power indicators, maximum load, maximum power limit, cumulative time exceeding the power limit, cumulative power exceeding the power limit, actual power and orderly power consumption, with editing, saving and exporting functions; 2) Interactive function of local dispatching energy storage power station: Replaces the traditional telephone consultation method to reduce the workload of dispatchers. After the power plan value is issued, the operation and maintenance personnel of the energy storage power station can view it on the mobile app; 3) Local dispatching equipment load rate: With export, add, edit, delete and report functions, the unit can add a subordinate dispatching object to report, and make statistics on the equipment load rate of the main transformer and line under the jurisdiction of the region; 4) Peak regulation market notification management: When the auxiliary service market is opened and closed, the relevant information will be notified to the local dispatching, and a mechanism for pushing market stop and start notifications will be implemented; 5) Power grid peak output composition and standby status: With daily query, save, edit, delete, export and regeneration functions, mainly for power source type (external power, total hydropower, total thermal power, wind power, photovoltaic, energy storage, balance), actual Output, maximum power supply capacity, and standby power are summarized and counted; 6) Regional overpower supply and accident power restriction: Summarize and count the overpower supply capacity and accident power restriction of each region. The interface statistics are divided into three parts (overpower supply, accident, oversupply + accident), and subdivide whether the residents are included and the total part. The daily query has the export function; 7) Level 1 and level 2 report events: With export, add, edit, delete, and query functions, the interface has contact unit, time, time type, reporting time, information content, end time, end reason, remarks, and whether it has been completed; 8) Regional load situation: Statistics on the maximum load of the local dispatching yesterday, the maximum load of the previous day, and the increase situation. It supports daily query statistics and export functions, and can summarize the data; 9) Transmission and transformation equipment outage information: Query and statistically export according to time intervals, mainly summarizing the power loss of transmission and transformation outage, the number of transmission and transformation outages, the power loss statistics of local dispatching load, the number of local dispatching load losses, and the number of unplanned outages of 220kV and above transmission and transformation equipment in the region; 10) Dispatch log record management.

[0047] Dispatch log record management includes: 1) Leader instructions record: provides notepad function, supports association with duty log, supplements log, records precautions given by leaders, etc., prompts and broadcasts system pending events, precautions given by leaders, etc.; 2) One-time mode change record: mainly includes change background, line change of rectification measures, dangerous points and safety tips, operating units must complete on time, precautions before line operation mode change, benefits after line operation mode change, etc.; 3) Protection setting change record: records the activation and deactivation of protection setting sheet or temporary protection setting. Key fields include protection setting sheet name, equipment name, voltage level, setting change time, temporary setting content, etc.; 4) Stabilization measure change record: fill in information such as maintenance nature, adjustment reason, method arrangement, etc.; 5) Abnormal situation record: fill in the time when the abnormal situation occurred Location, equipment, voltage level and other information; 6) Accident handling record: fill in the time and location of the accident, equipment, voltage level, handling status and other information; 7) Inspection and start-up and completion records: fill in the name of the start and completion project, design unit, construction unit, start date, completion date, project content and other information; 8) Live working record: fill in the line name, voltage level, live working unit, work content, whether to put in or out the reclosing switch and other information; 9) Water situation record: fill in the plant station name, water level above the dam, water level below the dam, inflow, outflow, abandoned water flow, generated power, recording time and other information; 10) Network supply modification: fill in the line name, plant station name, real-time load of the power grid, predicted load of the power grid, external power output and other information; 11) Cross-regional and cross-provincial power adjustment: fill in cross-regional power generation and reception, cross-provincial power generation and reception, historical adjustment power, predicted adjustment power, adjustment time and other information.

[0048] Functions of the comprehensive statistical report module: 1) Statistics of 1,000 dispatching operations: Statistics on the number of itemized tickets, comprehensive tickets, and entrusted tickets operated by deputy and above dispatchers; 2) Reservoir status report: Statistics on the reservoir status of regional direct-dispatch power plants, planned power and actual power, deviation, change compared to yesterday, today's actual power, yesterday's actual power, 24-hour water level, and ecological flow power; 3) Power status report: Planned power is obtained from power generation plan query, statistics on total power generation and reception, external power reception plan power, and actual power; 4) Thermal power plant power consumption monitoring table: Statistics are queried and exported on a daily basis according to the power consumption optimization adjustment period, where the power consumption optimization adjustment period mainly involves average machine-end initial output, average power load, maximum increased grid-connected power, and additional grid-connected power; 5) Thermal Power Plant Coal Statistics: This service provides statistics on the power plant's coal situation (daily coal intake, daily coal consumption, total inventory, and available ceiling), along with changes compared to the previous day (daily coal intake changes, daily coal consumption changes, and total inventory changes), and the main sources of current coal intake. This service also offers daily queries and export capabilities. 6) Power Grid Operation Statistics: This service supports one-click export of substation and primary and secondary equipment ledger statistics, equipment maintenance status, grid load status, emergency response status, fault alarm information, and equipment abnormality and defect statistics reports. Export and printing capabilities are supported in multiple formats, including Word, Excel, and PDF. 7) Power Situation Reports: The actual maximum data in the power situation report is taken from the maximum value moment data in the dispatch log output composition report, along with the predicted maximum and minimum values ​​for each component at that moment.

[0049] The power situation report includes: 1) daily statistics of daily electricity consumption, with export and daily query functions, and the main statistical display types: external power, thermal power, hydropower, wind power, photovoltaic, others, total power generation and reception, power consumption, month-on-month, and proportion; 2) Statistics of power consumption and coal reserves: query, export, and edit according to date, and collect the highest load of the region (10,000 kilowatts), the lowest load of the provincial network (10,000 kilowatts), daily power generation and reception (hundreds of millions of kilowatts), monthly cumulative power generation and reception (hundreds of millions of kilowatts), annual cumulative power generation and reception (hundreds of millions of kilowatts), net power reception during peak hours, and planned net power reception for the next day, and make statistics and year-on-year comparisons, and count coal consumption (10,000 tons), coal supply (10,000 tons), and coal storage (10,000 tons); 3) Daily economic operation report: query, export, and edit according to date, and collect the power situation of the region (10,000 kWh): planned power, actual power Electricity quantity, deviation, proportion of electricity quantity, change compared with yesterday, relative completion rate, planned electricity quantity of reservoir, actual electricity quantity, deviation, change compared with yesterday, 24 o'clock water level, water level change, power situation (10,000,000): predicted maximum, actual maximum, change compared with yesterday, predicted minimum, actual minimum, change compared with yesterday are statistically summarized; 4) Details of load rate of ground dispatching equipment: with export, add, edit, delete, and report functions, the unit can add new or lower-level dispatching objects to report, mainly according to region, date, voltage level, equipment type, equipment name, rated current, maximum power, load rate, control means, and reporting time for statistical summary and export; 5) Power grid peak power supply situation: automatic generation of power grid peak power supply situation by daily query, the automatically generated part should include: load situation, daily electricity quantity situation, thermal power coal storage situation, orderly power consumption situation.

[0050] Functions of the certificate-holding management module: 1) Unit information management: realize the management of the unit organizational structure, and carry out corresponding information management through the tree-shaped organizational structure in combination with the management needs of the dispatch, including functions such as search, add, delete, and modify. The main functional modules include unit library management and unit information change records. 2) Personnel information management: through "personnel information management" as the carrier, the data maintenance entry of personnel qualification management information is made unique, and a convenient and strict dispatcher verification mechanism is established. On the one hand, it eliminates the safety risks of dispatchers giving orders to unqualified personnel, and in turn promotes the self-consciousness of qualified personnel to pay attention to the correctness of their personal information in the system. In addition, if there is a change in the qualified personnel, their affiliated units must report it to the dispatch agency for review, and the dynamic management of personnel can be carried out on a regular basis. 3) Notice and announcement management: Notices and announcements initiated by dispatch are divided into receiving management and sending management. The sub-categories under Outgoing Notification Management are: Pending Notifications, Sent Notifications, and Invalid Notifications. The default display is Pending Notifications. Clicking the Add button on the interface opens the Add Notification form. Double-clicking the Release Scope pops up an organization tree, allowing users to select the scope of the release. Outgoing notification types include General Notices, Training Notices, Exam Notices, and Assessment Notices. Once the interface is created, notifications can be published directly or saved to the Pending Notices section and published by selecting a specific record. Already published notifications can be viewed in the Sent Notifications section, forwarded and edited, and the distribution range is fully open with no restrictions. Organizations and individuals can access announcements issued by the scheduler and notifications sent to them in the Announcements section. 4) Training and Exam Management: This system transforms the traditional offline exam training process into a hybrid online and offline model. Through online registration, review, offline exams, and online score entry, it enables comprehensive exam management for organizational users. Big data analytics are used to generate statistical data for exam results across multiple dimensions, providing more intuitive data guidance for subsequent work. 5) Certificate Management: Based on the requirements for grid dispatch certificate management, certificate management is planned and designed. An online certificate management model is adopted, supporting online electronic certificate generation and establishing unified standards. Each person has a unique, permanent certificate number. A validity period exam reminder function is provided to ensure the validity of employees' certificates. Through big data analysis and statistics, charts are displayed showing the unit's certificate status (certificate, renewal, revocation, expiration), certificate ranking, and age distribution. Specific functional areas include: certificate retirement, annual review management, certificate display, and certificate query. 6) Assessment Management: A daily assessment mechanism for dispatcher qualifications is established. A certificate points management model is implemented, allowing dispatchers to adjust deduction criteria based on the actual performance of dispatched personnel. Deductions and withdrawals are supported. Certificates with a score of zero will be invalidated. Recipients can query each deduction point, achieving efficient management of certificate assessments.7) Graphical interface statistics: It realizes the graphic statistics function of the dispatched personnel and units in the province, clearly grasps the statistics of the certificate acquisition status, the personnel waiting for re-certification, and the personnel whose certificates have been revoked in the province, displays the expired certificates in the province in charts, and conducts graphical analysis of the ranking of the certificate holders in the units and the examination pass status.

[0051] Functions of the dispatching and operation command APP module: 1) Wind turbine withdrawal management: The wind farm under the jurisdiction of the local dispatching department can realize the wind turbine withdrawal declaration function on the mobile APP, and report the data to the local dispatching department for review and confirmation. If the declared withdrawal type is the withdrawal of the entire station, the local dispatching department can report the instruction to the provincial dispatching wind turbine withdrawal module with one click. The interface displays the following key information: power plant name, withdrawal unit, withdrawal capacity (MW), withdrawal reason, reporting time, reporter, withdrawal recovery time, withdrawal application time, etc., and can query historical data, export Excel function, delete, return, and record trace functions; 2) Energy storage power station interactive function: The planned value is the initial data, and the data of the day is loaded according to the selected date (the data source of the next day is the revised data of the previous day, and the unrevised value is the planned value), including time, planned value, revised value, person who revised, and revised time; after clicking batch modification, you can select the corresponding time period, enter the modified value, modify the value of the time period, or make batch increases and decreases (planned value + increase and decrease number = revised value, if the revised value is not empty, it will be overwritten). The values ​​modified in batches are the modified values. After batch modification, you should click Save Data to confirm, and the energy storage power station operation and maintenance personnel can view it on the mobile app. 3) Operation ticket management: The operation ticket query function of the subordinate dispatching objects, power plants, and user transformers under the jurisdiction of the local dispatching is realized on the APP side, with the functions of signing, ready, repeating, reporting, and confirming. At the same time, the anti-error logic consistent with the web side is added, with face recognition repeat and face recognition reporting functions. The dispatching side has pre-issued query of operation tickets, execution classification review, and archived operation ticket data query. 4) Face recognition management: In view of the situation where the local dispatching user transformer has no power information intranet, the APP side has a face filing and viewing function, and also has the function of face filing and registration on the mobile phone. 5) Planned maintenance management: The dispatching side realizes the mobile terminal inspection card start, inspection completion, and inspection card archiving query functions. The plant and station end realizes the functions of card inspection start-up recitation, card inspection completion application, card inspection extension application, and card inspection reporting on the APP end, and combines the face recognition function of the APP end to perform face verification for the recitation and reporting links. At the same time, the APP can display the key information such as the card inspection ticket on the interface. 6) Instant command management: realize the signing and ready functions of the mobile APP end of instant operation instructions, with face recognition recitation and reporting functions, and the interface functions and anti-error logic are consistent with the web application functions. 7) Personnel information management: The APP end manages personal personnel information and provides a display interface to view personal information, mobile phone number, department, email, password management, and equipment unique code query on the APP end. 8) Notice and announcement management: The APP homepage displays to-do reminders for business such as operation tickets, recent power outage tickets, and regular business contacts, and prioritizes the importance of to-do information according to the agreed logic.9) Dispatch and Duty Information Management: Based on the existing web application's dispatch operation log records, the app implements a categorized query function for dispatch operation log records. Log classification is based on the first-level classification, and log display permissions are implemented. The log system records of the dispatch organization at this level are published externally by default, and higher-level dispatch organizations can access and use related statistics. A log query function is available, supporting queries based on time, keywords, and other conditions.

[0052] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A three-level dispatching and command network interaction and coordination system for main and distribution networks, characterized by: It includes a data acquisition subsystem, a data transmission subsystem, an application service subsystem, and a display subsystem; the data acquisition subsystem includes an OMS data acquisition module, a D5000 / distribution automation data acquisition module, a grid-plant interaction data acquisition module, and an "i State Grid" data acquisition module; The OMS data acquisition module is used to obtain the maintenance plan, operation tasks, and historical operation records of the main distribution network from the OMS system, providing a data basis for operation ticket management and intelligent maintenance services; the D5000 / distribution automation data acquisition module is used to collect real-time information on main network electrical parameters, equipment status, and distribution network line loads, providing data support for power grid operation management and distribution network safety and error prevention; the grid-plant interaction data acquisition module is used to obtain real-time power plant operation status, power generation capacity, unit protection device status, and interaction data related to main distribution network scheduling, which is used for power generation plan coordination and power grid safety and stability. Control; the "i State Grid" data acquisition module is used to receive abnormal conditions, arrival reports, and on-site operation progress reported by the main and distribution network dispatching on-site operators through the "i State Grid" mobile interactive platform; the data transmission subsystem is used to encrypt the data obtained from different data sources by the various modules of the data acquisition subsystem and transmit it to the application service subsystem; the application service subsystem includes a main network dispatching application unit and a distribution network dispatching application unit; the main network dispatching application unit and the distribution network dispatching application unit analyze and process the received data according to their respective business needs to realize the dispatching and command function of the main and distribution network; The display subsystem is used to present the data processed by the application service subsystem in a visual manner, which is convenient for dispatchers to monitor and make decisions.

2. The main distribution network three-level dispatching command network interaction and coordination system according to claim 1 is characterized in that: The main grid dispatching application unit includes a grid maintenance and operation module, a power plant operation management module, a grid operation management module, a comprehensive statistical report module, a certificate management module and a dispatching operation command APP module; the grid maintenance and operation module is used to manage the main grid maintenance and operation; the power plant operation management module is used to coordinate the power plant operation and formulate the power generation plan according to the grid-plant interaction data; the grid operation management module is used to use the main grid real-time data to evaluate the grid status, forecast the load and optimize the dispatching; the comprehensive statistical report module is used to collect data and generate reports on multiple aspects of the grid operation, and provide a decision basis for grid dispatching and management; the certificate management module is used to manage the main grid maintenance and operation; the power plant operation management module is used to coordinate the power plant operation and formulate the power generation plan according to the grid-plant interaction data; the grid operation management module is used to use the main grid real-time data to evaluate the grid status, forecast the load and optimize the dispatching; the comprehensive statistical report module is used to collect data and generate reports on multiple aspects of the grid operation, and provide a decision basis for grid dispatching and management; The post management module is responsible for the qualification certification management of dispatching personnel; the dispatching operation command APP module is used to connect to the "i State Grid" mobile interactive platform to provide dispatching personnel with mobile office functions; the distribution network dispatching application unit includes a distribution network mobile APP module, a distribution network safety and error prevention module and a distribution network power outage and maintenance autonomous cruise module; the distribution network mobile APP module is used to enable distribution operation personnel to perform on-site operations and report data through the "i State Grid" mobile interactive platform; the distribution network safety and error prevention module is used to combine real-time distribution network data to prevent erroneous operations in distribution network operations; the distribution network power outage and maintenance autonomous cruise module is used to use the main distribution network data to realize automated management of power outage maintenance.

3. The main and distribution network three-level dispatching command network interaction and coordination system according to claim 2 is characterized in that: The power grid maintenance and operation module includes an operation ticket management submodule, a network command submodule, an intelligent maintenance business submodule, a dispatching business contact submodule, a safety and error prevention submodule, an auxiliary support submodule, an assessment and evaluation management submodule, and a provincial and local coordination submodule; The operation ticket management submodule is used for the preparation, review and pre-issuance of operation tickets. The network order submodule is used for issuing and executing electronic pre-orders and formal orders according to the content of the operation ticket after the operation ticket is pre-issued. The intelligent maintenance business submodule is used to ensure the orderly progress of maintenance work on the basis of the operation ticket management module and the network order module, and realize network interaction and full-process closed-loop management of maintenance business. The dispatch business contact submodule is used to cooperate with the operation ticket management submodule, the network order submodule, and the intelligent maintenance business submodule during the maintenance and operation process to ensure timely communication and coordination of information. The safety and error prevention submodule is used to ensure the safety of operation ticket execution and maintenance business; The auxiliary support submodule is used to provide auxiliary tools and information to the dispatching and operating personnel during the maintenance and operation process; The assessment and evaluation management submodule is used to supervise and evaluate the behavior of operating personnel during the entire maintenance and operation process; the provincial and local coordination submodule is used to cooperate with other functional modules to achieve collaborative work between provincial and local dispatching, and ensure the overall coordination of main distribution network dispatching.

4. The main and distribution network three-level dispatching command network interaction and coordination system according to claim 3 is characterized in that: The power grid maintenance and operation module also includes a coordination submodule for coordinating and guiding the orderly execution of each submodule; the coordination submodule is used to: (1) set a traction starting point before the operation ticket management, and the traction starting point is responsible for collecting basic information of the power grid maintenance task, which includes the type, scope and importance of the maintenance, and provides basic information and direction guidance for the execution of subsequent submodules; (2) draw three traction lines from the traction starting point, which are respectively connected to the operation ticket management submodule, the safety and error prevention submodule and the intelligent maintenance business submodule. These three traction lines represent different coordination strategies and focuses, among which (2-1) the traction line connected to the operation ticket management submodule The lead line focuses on the standardization and accuracy of the operation process to ensure that the preparation, review and pre-issuance of the operation ticket are strictly carried out in accordance with the standards, providing clear operation guidance for the entire maintenance process. (2-2) The traction line connected to the safety and error prevention sub-module focuses on safety assurance to strengthen safety measures at all stages of the maintenance process, timely discover and correct potential safety risks, and ensure the safe progress of maintenance work. (2-3) The traction line connected to the intelligent maintenance business sub-module focuses on the efficiency and quality of maintenance to coordinate various links of the maintenance process; (3) The tension of the three traction lines is continuously adjusted during operation, that is, the execution degree of the three corresponding sub-modules is dynamically adjusted according to actual conditions.

5. The main and distribution network three-level dispatching command network interaction and coordination system according to claim 4 is characterized in that: The coordination submodule is also used to guide and coordinate the network command submodule, the dispatching business contact submodule, the auxiliary support submodule, the assessment and evaluation management submodule and the provincial and local collaborative submodule during the execution process, specifically including: (4) For the network command submodule, the coordination submodule adjusts the rhythm and method of issuing commands according to the content of the operation ticket and the safety and error prevention standards to ensure that the issuer and the receiver strictly follow the process and ensure the accuracy and safety of the instructions; (5) The dispatching business contact submodule reports important information in the maintenance process in a timely manner according to the instructions of the coordination submodule; (6) The auxiliary support submodule provides other submodules with necessary auxiliary tools and information according to the needs of the coordination submodule; (7) The assessment and evaluation management submodule objectively evaluates the execution of each submodule according to the standards of the coordination submodule; (8) The provincial and local collaborative submodule realizes efficient collaboration between provincial and local dispatch under the coordination of the coordination submodule.

6. The main and distribution network three-level dispatching command network interaction and coordination system according to claim 2 is characterized in that: The power plant operation management module includes an output composition statistics submodule, a thermal power plant operation management submodule, a hydropower plant operation management submodule, a wind power plant operation management submodule, a commissioned unit operation management submodule and a power plant interactive information management submodule; The output composition statistics submodule is used to count the actual output and maximum output of each power type according to the power type; The thermal power plant operation management submodule is used to perform statistics on the operation of the main thermal power plants, statistics on the thermal power load rate, thermal power plant output adjustment, daily statistics on the implementation of the thermal power plant dispatch plan, monthly statistics on the implementation of the thermal power plant dispatch plan, and daily statistics on coal dispatching to ensure power supply; The hydropower plant operation management submodule is used to manage the start and shutdown of hydropower and the interaction between hydropower and thermal power; the wind power plant operation management submodule is used to detect abnormal data of wind turbines; the entrusted unit operation management submodule is used to manage the entrusted units dispatched from various places in the province; the power plant interaction information management submodule is used to display power plant obstruction information.

7. The main and distribution network three-level dispatching command network interaction and coordination system according to claim 2 is characterized in that: The distribution network mobile APP submodule is used to: (a1) manage the reception and execution of operation instructions, including (a1-1) after receiving the operation instruction, the distribution network mobile APP immediately pops up a reminder, and displays the detailed content and priority of the instruction, and for high-priority instructions, adopts a more eye-catching prompt method, such as sound and vibration, (a1-2) intelligently repeat the operation instruction, automatically recognize the voice repetition content of the operation and maintenance personnel, and compare it with the operation instruction to ensure the accuracy of the repetition, (a-3) add real-time positioning and picture upload reporting functions, so that the operation and maintenance personnel can upload photos and location information of the site at the same time when reporting, so that the dispatcher can understand the on-site situation more intuitively; (a2) manage information display, including (a2-1) the display content of the electronic bulletin board includes the progress of the maintenance operation, the estimated completion time and the scope of the equipment involved, and the bulletin board is personalized according to the authority of the operation and maintenance personnel, and only displays information related to themselves, (a2-2) distribution network mobile APP Real-time data such as the current power grid load and equipment operating status are displayed to facilitate operation and maintenance personnel to understand the power grid operation status at any time and better execute operation instructions.

8. The main and distribution network three-level dispatching command network interaction and coordination system according to claim 2 is characterized in that: The distribution network security and error prevention module is used to: (b1) manage identity authentication and error prevention, including (b1-1) using fingerprint recognition or facial recognition identity authentication to ensure that only authorized operation and maintenance personnel can perform operations. At the same time, for important operation instructions, a multi-factor combination identity authentication method is used to improve security. (b1-2) The identity authentication process is closely integrated with the distribution network mobile APP. When the operation and maintenance personnel use the distribution network mobile APP to perform operations, identity authentication is automatically performed without repeatedly entering passwords and other information; (b2) manage the error prevention of instruction execution, including (b2-1) before executing the operation instruction, the operation instruction is re-verified to ensure the accuracy and legality of the instruction. The verification content includes the source of the instruction, the operation Objects, operation steps, if any problems are found in the operation instructions, promptly notify the dispatcher to make corrections, (b2-2) monitor the operation process in real time, track the operation of the operation and maintenance personnel throughout the process, and immediately issue an alarm and stop the operation if any abnormal situation is found; (b3) manage the safety verification of power outage and restoration, including (b3-1) automatically perform safety verification according to the real-time operation status and operation instructions of the power grid, and provide a detailed verification report. If the verification fails, the problem will be automatically prompted and a solution will be provided. (b3-2) The safety verification results are synchronized with the distribution network mobile APP in real time. The operation and maintenance personnel can view the safety verification results on the distribution network mobile APP to understand the risk level of the operation, so as to execute the operation instructions more cautiously.

9. The main and distribution network three-level dispatching command network interaction and coordination system according to claim 2 is characterized in that: The distribution network power outage maintenance autonomous cruise module is used for: (c1) managing power outage applications and verifications, including (c1-1) the power outage network application process, in which the operation and maintenance personnel directly submit power outage applications through the distribution network mobile APP. The application content includes the reason for the power outage, the expected power outage time and the scope of impact. The system automatically reviews the application and gives the review results; (c1-2) power outage autonomous verification, in which the system automatically performs power outage verification based on factors such as the operating status of the power grid, the load conditions of the equipment, and the power demand of the users, and gives the optimal power outage plan. At the same time, the verification results are pushed to the operation and maintenance personnel in real time through the distribution network mobile APP. , which facilitates them to make adjustments and optimizations; (c2) Management of maintenance work reports, including (c2-1) Network-based maintenance work reporting. Operation and maintenance personnel use the distribution network mobile app to report in a predetermined format and content, including maintenance progress, problems found, and measures taken. The system automatically organizes and analyzes the report content and generates a maintenance work report to facilitate dispatchers' management and decision-making. (c2-2) Real-time monitoring of maintenance work to enable dispatchers to understand the progress of maintenance work in real time, provide remote guidance and supervision of the maintenance process, and promptly notify operation and maintenance personnel to handle any problems found. (c3) Manage smart power outage notifications, including (c3-1) smart power outage notifications, which automatically send power outage notifications to affected users based on the power outage plan and the user's electricity usage information. The notification content includes the power outage time, affected area, and expected power restoration time. At the same time, adjustments and optimizations are made based on the electricity demand and special circumstances reported by users through the distribution network mobile APP or other channels. (c3-2) Power outage notifications are closely integrated with the distribution network mobile APP. Operation and maintenance personnel can check the delivery status of power outage notifications and user feedback information on the distribution network mobile APP to promptly understand user needs and provide good service.

10. The main and distribution network three-level dispatching command network interaction and coordination system according to claim 1 is characterized in that: The display subsystem includes a visual display module and a real-time monitoring and warning module; the visual display module is used to display the operating status of the main distribution network, dispatching command information and maintenance plan execution status, providing decision support for dispatchers; The real-time monitoring and early warning module is used to monitor the main distribution network operation data in real time, issue an alarm when an abnormal situation occurs, and provide corresponding processing suggestions.

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