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According to the multi-layer structure of client and server, this product sets up a comprehensive switching error prevention server in the centralized control master station to centrally manage the switching error prevention data of all substations under its jurisdiction, and has the functions of authority management, unique operation right management, simulation preview, real-time logic judgment, locking elements, etc.; the switching error prevention workstation is configured in the substation, and the switching error prevention system of the substation can receive the data from the centralized control center. The order information can also be directly issued at the workstation for operation, and the equipment status of the substation can be uploaded to the centralized control center, which can be perfectly combined with the monitoring system of the substation to receive the equipment status of the monitoring system of the substation, and realize the locking of the operation of the monitoring system.
It is not only suitable for small centralized control stations, but also suitable for large-scale centralized control stations with multi-level centralized control management mode to realize centralized control, unified maintenance and unified overhaul.
The centralized control master station, controlled substation, measurement and control panel, terminal box (centralized control cabinet), local operation mechanism and other multiple operation points have perfect locking measures.
The centralized control master station and the controlled substation are aligned online in real time to synchronize the change of equipment status to ensure the consistency of equipment status between the master station and the substation.
The interlocking of tie line between stations shall be improved to prevent the occurrence of malignant accidents such as load on one side, hanging ground wire and closing grounding switch on the opposite side, ground wire and grounding switch on one side and closing switch on the opposite side during the operation between two stations with contact equipment.
For any equipment, at any time, ensure that only one person can obtain the right to operate the equipment. Only when the staff member releases the operation right or transfers the operation right on his own initiative, other personnel can operate the equipment and related equipment to ensure the safety of the operator and the operated equipment.
In case of communication failure with the master station, the switching error prevention substation can also operate independently as a microcomputer five-misoperation prevention system, without affecting the simulation preview, switching order sending and other conventional operations.