In order to improve the power grid fault analysis capability and the management level of protection and fault recorders, a relay protection and fault information management system is proposed. The system consists of a master station system and several substation systems. The substation system accesses the protection and fault recorders and completes the protocol conversion, and uploads the data to the dispatching end; the master station system realizes the classification display and management of all uploaded data, and provides advanced power system application modules such as fault distance measurement and recording data analysis. At present, the system still has problems such as complex substation system protocol conversion and incompatibility between master stations and substation systems of different manufacturers.
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