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Lack of status information such as outlet pressing plates, circuit breakers, and circuit voltage makes it difficult to detect anomalies in a timely manner, with insufficient data collection coverage and equipment perception capabilities.
Secondary equipment such as pressing plates, circuit breakers, and handles are frequently operated manually, hindering the advancement of unattended substations and remote centralized monitoring.
The operation of secondary equipment primarily relies on manual handling, lacking necessary anti-misoperation methods and measures. Misoperations such as with secondary isolators occur frequently, posing significant safety risks.
Secondary equipment inspection and analysis mainly rely on manual processes, leading to long inspection and analysis cycles, low quality and efficiency, and difficulty in timely identification and rapid analysis of anomalies.
Secondary equipment is responsible for monitoring, controlling, regulating, and protecting primary equipment, forming a critical part of protection and control circuits. The correctness of secondary equipment status directly affects the stability and reliable operation of the primary system. As the one-key sequence control mode is promoted in the power grid, secondary equipment such as locking plates, circuit breakers, and switching handles, which cannot be operated remotely, still require on-site manual operation by O&M personnel. This significantly limits the rapid development of the one-key sequence control mode. The intelligent secondary monitoring system enables comprehensive monitoring of secondary equipment status, remote control, status inspection, secondary anti-error, and online analysis. It effectively resolves issues such as low efficiency in manual inspections, high risks of human error, and low levels of intelligence in secondary equipment, providing strong technical support for the construction of new intelligent power grids.
Comprehensive status monitoring
It enables online monitoring of the operational status, settings, circuit status (including voltage), and communication links for secondary equipment, providing a panoramic view of secondary equipment status at substations.
Secondary equipment remote control
By using microelectromechanical control technology, the system enables remote intelligent control of secondary equipment like pressing boards, circuit breakers, and switching handles, significantly improving the operational efficiency of secondary equipment.
Secondary anti-misoperations
Building on primary anti-error verification, it expands the anti-error functionality to secondary equipment, achieving mutual verification between primary and secondary equipment as well as operation guidance. This prevents misoperations in secondary equipment, enhancing the safety of disconnector operations.
Intelligent analysis and diagnosis
The system performs automatic inspections of secondary equipment, setting value checks, circuit status analysis, protection action analysis, status inconsistency analysis, intelligent defect diagnosis, and automatic ticketing for secondary safety measures, which improves O&M efficiency and safety levels.
Traditional disconnector operations face challenges such as complex procedures, low operational efficiency, and high risks of misoperation, making them unable to meet the demands of lean substation management and the digitalization of power grids. The JOYO-A1 one-click sequence control system for substations is built on integrated substation monitoring and intelligent anti-misoperation technologies, combining magnetic sensing, micro-motor control, and secondary anti-misoperation technologies. It creates a new generation of one-click sequence control system with "comprehensive state awareness, full remote control of equipment, comprehensive anti-misoperation verification, and full coverage of operations," providing intelligent, efficient, and safe substation operation solutions for customers in the power grid, power plants, and petrochemical industries.
Secondary equipment is responsible for monitoring, controlling, regulating, and protecting primary equipment, forming a critical part of protection and control circuits. The correctness of secondary equipment status directly affects the stability and reliable operation of the primary system. As the one-key sequence control mode is promoted in the power grid, secondary equipment such as locking plates, circuit breakers, and switching handles, which cannot be operated remotely, still require on-site manual operation by O&M personnel. This significantly limits the rapid development of the one-key sequence control mode. The intelligent secondary monitoring system enables comprehensive monitoring of secondary equipment status, remote control, status inspection, secondary anti-error, and online analysis. It effectively resolves issues such as low efficiency in manual inspections, high risks of human error, and low levels of intelligence in secondary equipment, providing strong technical support for the construction of new intelligent power grids.
Based on microcomputer anti-misoperation technology, the safety management and control system for substation operation and inspection targets every aspect of integrated O&M workflows, including switching, maintenance, and repair operations. Through process refinement and system applications, combined with existing innovative technologies, it establishes a platformized, networked, and intelligent substation O&M safety management and control system. This platform fully covers safety control for O&M and repair across multiple disciplines, effectively improving work efficiency, reducing operational costs, and enhancing power safety production levels.
The intelligent substation comprehensive automation system is developed based on cloud, big data, IoT, AI, and intelligent sensing technology, with unified standards and platforms, optimized configurations, and enhanced safety. Adhering to an open design philosophy, it integrates monitoring, control, protection, measurement, anti-misoperation, and remote communication functions into a new generation of intelligent substation automation systems. The system follows a top-down design philosophy, adopting a layered, distributed structure while adhering to grid technology specifications. It optimizes secondary circuits, reduces the workload of commissioning and maintenance, and makes substation operations more economical, reliable, and intelligent. The system can be applied to both intelligent substations and conventional substations.
The substation's comprehensive automation system is developed based on cloud, big data, IoT, AI, and intelligent sensing technology, with unified standards and platforms, optimized configurations, and enhanced safety. Adhering to an open design philosophy, it integrates monitoring, control, protection, measurement, anti-misoperation, and remote communication functions into a new generation of intelligent substation automation systems. The system follows a top-down design approach, utilizing a layered and distributed structure design while adhering to power grid technical specifications. It optimizes secondary circuits, reducing the workload of debugging and maintenance and making substation operation more economical, reliable, and intelligent. The system can be applied to both intelligent substations and conventional substations.