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Some in-service ring main units, box transformers, distribution transformers, and other distribution network equipment lack anti-misoperation interlock coverage, posing risks such as animal intrusion, accidental operations by unauthorized personnel, and accidental contact.
Distribution network equipment is characterized by widespread distribution with frequent changes in connection relationships, resulting in large volumes of data that are inconsistent and difficult to maintain.
The distribution network lifecycle, from design to decommissioning, is long, and during this period, equipment replacement or network changes require significant graphic model maintenance. If model data is not updated promptly, it can affect normal power supply, personal safety, equipment, and grid safety.
In the traditional approach, O&M personnel issue tickets on paper or computers, relying on manual circulation without real-time status-based anti-misoperation logic verification, which can easily lead to errors and the possibility of repeated ticket issuance.
The distribution network operation safety management and control solution is centered on preventing safety risks during operations, focusing on the management and supervision of O&M tasks and disconnector operations. The system is designed and deployed using a cloud architecture. The cloud-based distribution network operation safety management and control system effectively identifies operational risks. Combined with anti-misoperation interlock devices and real-time graphical display of equipment status, it enables visual, tangible, and controllable management of the entire distribution network operation process, achieving intelligent, mobile, and digital control, thus improving the quality and efficiency of distribution network O&M management.
Unified data model maintenance
Based on cloud platform data models or through interfacing with the power grid resource middle platform, the system obtains unified wiring diagrams and equipment models, ensuring unified data sources and easy maintenance in the cloud.
Intelligent topology for online anti-misoperation
The system analyzes and assesses the entire power grid model and provides real-time online anti-misoperation analysis and decision-making for distribution network operations, making anti-misoperation judgments more comprehensive and reliable.
High ticket processing efficiency for distribution networks
Various intelligent ticketing methods such as graphical ticketing, phrase-based ticketing, typical ticketing, order-to-ticket conversion, and recognition-based ticketing solve the time-consuming and inefficient ticketing issues in distribution networks.
Intelligent mobile operation control
The system supports mobile ticket generation, mobile approval, mobile operations, and automatic recording, transmission, and archiving of work process information, achieving digital and intelligent management throughout the entire operation process.
The substation WAPI network has been established to achieve full signal coverage within the station. The wireless intelligent grounding wire management system has been deployed, securely connected to the wireless network, enabling real-time collection of grounding stake status. This transforms the original microcomputer-based anti-misoperation system's "virtual remote signal" for grounding stakes into a "real remote signal," preventing unnecessary operations during grounding wire installation and removal, and eliminating errors such as incorrect attachment or missed removal of grounding wires. An intelligent grounding wire cabinet is deployed to ensure the proper storage of grounding wires and manage their usage based on ticket issuance.
Voltage detection interlocking is a simple and practical intelligent management and control solution proposed according to the requirements of distribution network operation management and control and the characteristics of distribution network equipment. By using high-voltage voltage detection devices with anti-misoperation interfaces in conjunction with grounding switch equipment, the system enforces mandatory voltage detection before operating grounding switch equipment, addressing misoperation issues such as "live grounding disconnector closing," "power-on with grounding," and "entering live dangerous areas" during distribution network equipment operations.
The distribution network operation safety management and control system focuses on risk prevention and control in operational safety, targeting the management and supervision of distribution network O&M and disconnector operations. The system adopts a cloud-based architecture and deployment, relying on the "cloud platform" to achieve real-time online dynamic perception, operation control, and digital mobile operations for the entire process of distribution network on-site work, addressing safety issues during field operations and improving the quality and efficiency of maintenance personnel management.
The IoT intelligent lock management system deeply integrates technologies such as IoT, wireless power supply, identity recognition, and digital twin. With safety as the foundation and efficiency enhancement as the guideline, it provides a comprehensive intelligent lock management platform for industries with widely distributed equipment, large quantities of devices, and high status monitoring requirements, such as substations, distribution networks, marketing, and towers. This platform effectively improves operational efficiency, strengthens equipment safety protection, monitors equipment operating environments, and enhances the level of informatization system construction.
The plant intelligent lock management system addresses the safety management needs of plant O&M and auxiliary control tasks. With unified interfaces and high-safety C-grade anti-theft intelligent locks and computer keys at its core, the system utilizes graphical ticketing and authorized ticketing methods to solve problems such as the difficulty of managing traditional lock and control keys, chaotic permission management, and missing usage records. It achieves integrated management and control of personnel permissions, equipment access permissions, and equipment access status, effectively reducing key management workloads and improving the work efficiency of personnel.
Based on real-time monitoring data, 3D visualization, and intelligent features supported by AI and IoT technologies, the system comprehensively senses and intelligently controls multi-dimensional information such as equipment, environment, and personnel in distribution substations and transformer areas. It identifies potential faults and abnormal situations, combining human, physical, and technical defenses. It enhances the safety and reliability of distribution substations and transformer areas, reduces manual inspection and maintenance costs, improves response speed, and provides foundational support for the intelligent management of distribution networks.
The distribution network lock control solution addresses the safety management and equipment monitoring needs of box-type substations, branch boxes, ring main units, switch rooms, and other equipment. Based on new IoT and cloud service technologies, it utilizes high-safety keyless locks and digital keys. By binding personnel identities, controlling lock/unlock permissions, and recording operational processes, it enhances the safety of lock operations and ensures traceability and operational safety during maintenance work.
The voltage detection anti-misoperation interlocking solution is developed based on the relevant technical specifications of power grid companies and designed to meet the operational needs of distribution network applications. It addresses key aspects of anti-misoperation interlocking in distribution networks, such as "preventing energization of grounding switches" and "preventing accidental entry into live hazardous areas." The solution provides a simple, practical, and intelligent management and control approach. By integrating a high-voltage voltage detector with anti-misoperation interfaces and grounding switch equipment, it enforces mandatory voltage detection before operations, preventing serious misoperations in the distribution network.
Currently, many accidents in transmission and distribution lines are caused by grounding wire issues. While negligence during operation is one factor, the more significant reason is the lack of effective management of grounding wires in transmission and distribution lines. This solution utilizes intelligent monitoring devices installed on grounding wires to enable real-time data collection and uploading of grounding wire connection status and location. Through cloud services and a mobile app, it enables remote monitoring and management of grounding wire storage and usage information. An intelligent grounding wire cabinet is deployed to ensure the proper storage of grounding wires and manage their usage based on ticket issuance.
The industrial enterprise power distribution and O&M control system adopts intelligent power technologies such as digital IoT to provide comprehensive monitoring and management of the user-side power distribution equipment, personnel, and environment. It enables operational monitoring, energy efficiency management, intelligent O&M, sub-supply operation, and full lifecycle management of equipment assets. Additionally, it meets the requirements of government and power regulatory authorities for online energy consumption monitoring and demand-side management for energy users.