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From the perspective of regional power grid production operation, electrical operation mode and error prevention in the whole process of operation, the risk factors of electrical misoperation in each link of control operation are included in the error prevention system, so as to realize the error prevention in the whole process from dispatching instruction issuing, decomposition, circulation to specific operation execution, and effectively prevent misdispatching, remote control, misoperation, operation not according to dispatching order and etc.
The system fully covers the requirement of the various locks,and meets the mandatory and comprehensive requirements of anti misoperation locking. There are many ways of dispatching and issuing order invoice. The system supports graphic order invoice, manual order invoice and intelligent order invoice.
Realize the whole process of error prevention from dispatching instruction out, decomposition, flow to specific operation execution.
Except for special cases, all operations are based on dispatching instructions to prevent operation not according to dispatching orders.
The ground wire (including the line ground wire) or the equipment status not collected by the integrated automation system shall be sent by the error prevention system of the substation in real time, which shall be consistent with the site and different from the listing mode of other systems.
The system not only supports intelligent topology security checking, but also introduces power flow judgment, secondary error prevention and abnormal signal checking to realize multiple security checking.
The system not only has the function of communication soft locking for remote control operation, but also has the function of remote control loop hard contact locking, which can prevent the monitoring background equipment from misoperation due to software and hardware failure or interference.