Abstract
Currently in the secondary equipment maintenance process of intelligent substation, there are no GOOSE sending soft pressure platen and maintenance pressure platen between the fault recorder and secondary equipment. It cannot isolate the fault recorder and maintenance equipment through repair mechanism in the equipment maintenance process. Therefore, it will produce a large number of taped files and fault information in the fault recorder and cause interference and security risks to the normal operation of the substation. This article will focus on the mechanism of fault recorder and maintenance in the intelligent substation in order to achieve safe isolation between fault recorders and other devices in maintenance.
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