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The anti-misoperation interlocking devices for distribution network equipment are not fully developed. While mechanical interlocks can prevent misoperations within the same unit, there are still blind spots in preventing misoperations, such as entering the wrong bay or operating equipment on the line side.
The distribution network has many operational scenarios and open environments. On-site operations mainly rely on manual management and daily safety training, lacking technical safety measures.
Many distribution network O&M tasks are carried out by external contractors with inadequate safety awareness, who rely on experience, which poses risks of habitual violations.
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.
Mandatory voltage detection
Mandatory voltage detection is added before operating devices such as grounding switches and network gates to prevent misoperation.
Standardized operations
The system links operation tickets with locks, unlocking keys, and other anti-error devices, standardizing the work process and enhancing operational safety.
High practicality
The system quickly proves effective, solving issues such as "closing grounding switches under live conditions" and "energizing with grounding" through mandatory voltage detection interlock mechanisms.
Easy installation
The high-voltage live display lockout device, equipped with anti-error interfaces, uses standard interfaces, allowing installation and replacement without the need for a power outage.
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.
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.
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.