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A power outage is required for implementation, making power outages difficult, and relying on planned outages; substations with single power supply and important loads are hard to shut down for reconstruction.
Contact detection is prone to metal fatigue, and the protection level is difficult to meet outdoor requirements; video recognition is susceptible to environmental influence, reducing reliability.
There are a large number of manufacturers and models of disconnector equipment on-site, which require extensive preliminary research and adaptation design, making compatibility difficult.
Significant capital investment is required for double confirmation sensors, signal transmission, and subsequent maintenance.
The magnetic induction double-confirmation device mainly consists of a magnetic induction sensor and a receiving device. The magnetic induction sensor uses a non-contact induction principle to detect the status of the disconnector and transmit the status information to the receiving device. The receiving device is installed in the control cabinet, terminal box, or independent cabinet, achieving logical calculation and status output of the disconnector status signal. The magnetic induction double-confirmation device features safe and reliable non-contact detection, easy installation, and suitability for various equipment types and operating environments. It accurately identifies the open/close status of disconnectors, providing a more secure and reliable technical guarantee for one-click sequence control.
Live installation
The non-contact detection method supports live installation solutions, solving the problem of power outage difficulty.
Accurate and reliable
Detection error is less than 1mm, meeting the detection range of ±5% for disconnector stroke and accurately recognizing the open/close status of the disconnector.
Strong adaptability
The sensor module is compact and flexible, suitable for different disconnector types, and has strong versatility.
Superior performance
IP67 protection level, wide operating temperature range of -40~80°C, suitable for various harsh application environments.
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.
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.
To meet the anti-misoperation requirements of one-key sequence control in substations, relying on nearly 30 years of experience in anti-misoperation product development, the system achieves dual verification of sequence control anti-misoperation while introducing new features such as directional authorization unlocking, grounding wire status collection, and graded and zoned lock management. These improvements enhance the safety and efficiency of on-site operations.
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 substation one-click sequence control system 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.
Based on the new generation of centralized control systems and PMS, build anti-misoperation applications for centralized control stations, intelligent ticketing micro-applications, and mobile applications, linking the production control area, management information area, and internet area. This will establish a digital workflow for disconnector operations, a mobile execution model, realizing intelligent ticketing, real-time anti-misoperation throughout the process, unlocking and closing the loop in management, and unified management of operational information, which enhances the quality and efficiency of disconnector operations at centralized control stations and ensures the safety of on-site operations.