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To address the business needs of intelligent O&M under the "centralized control station+unattended substation+equipment owner system" model of power grid companies, the system utilizes key technologies such as "PMS interconnection, remote control (sequence control) constraints, operation rights management, and information monitoring" to address issues such as low efficiency of ticket preparation at the centralized control main station, lack of safety constraints in remote/sequence control operations, incomplete control information, and insufficient business coordination between systems. This supports the new substation O&M management model and enhances the safety management and control level of regional power grids.
Intelligent dispatch order constraints
Using semantic recognition and intelligent ticketing technologies, the system intelligently parses dispatch orders and establishes technical connections with disconnector operations. It adopts a dual-lock mechanism of "dispatch order verification+anti-misoperation verification" to prevent unauthorized or non-compliant operations, further enhancing the safety management and control of disconnector operations.
Multi-dimensional anti-misoperation verification
For switching and O&M tasks in regional power grids, the system employs multi-dimensional anti-misoperation verification methods, such as dual verification for remote/sequence control, network topology, logical formulas, inter-station locking, and multi-task operation rights, replacing single logic formula verification to ensure safe and controllable operations in regional power grids.
Online two-ticket business
With digital two-ticket processing as the business hub, the system integrates the new power system's three zones and four layers, connecting systems such as PMS, dispatching, centralized control, and anti-misoperation, achieving closed-loop control and full data flow for both remote and on-site operations as well as maintenance tasks.
Centralized anti-misoperation management
The centralized control main station manages all anti-misoperation data from station terminals, achieving unified management of anti-misoperation data, centralized monitoring of communication status, intelligent alarm generation, centralized monitoring of anti-misoperation information, statistical analysis of anti-misoperation assets, and auxiliary decision-making for production information, thus improving the level of anti-misoperation management under the centralized control O&M model.
With digital two-ticket processing as the business hub, the system integrates the new power system's three zones and four layers, fully covering scenarios such as disconnector operations, maintenance, and O&M tasks, enabling online two-ticket processing, mobile operations, transparent information, and intelligent support. This promotes the deep integration of digital technology with equipment management throughout all processes and stages, improving team efficiency and ensuring the safety of on-site operations, thus supporting the digital transformation of power companies.
With "safety and efficiency" as the goal, and "business collaboration" and "data integration" as the core, based on the requirements of one-click sequence control, intelligent substations, and centralized control station construction, the system adheres to the new-generation architecture of substation secondary products that are autonomously controllable and compliant with information security standards. It relies on new technologies such as "big data, cloud computing, IoT, AI, and intelligence" and introduces innovative applications such as intelligent sensing, intelligent ticketing, intelligent verification, and intelligent maintenance. This expands anti-misoperation control from primary equipment operations to secondary equipment operations, maintenance tasks, and O&M activities, achieving comprehensive anti-misoperation safety management and control.
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.
JOYO advanced minicomputer-based anti-misoperation integrated operation system has evolved through three generations of substation microcomputer anti-misoperation technology, accumulating experience from over 40,000 substations. By introducing innovative design concepts and leading key technologies, it serves such functions as simulated operation, anti-misoperation interlocking, and operation ticket management. The system utilizes a computer key to unlock on-site equipment, receive, and transmit data, while various locks are used to interlock on-site equipment, preventing electrical misoperations and ensuring safe and controllable disconnector operations.