Patent ID: 11892509
Assignee: LS ELECTRIC CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A device for inspecting a relay function of a protective relay, the device comprising:
a connector connected to the protective relay; and
an inspector configured to receive a relay setting providing signal including relay setting information of the protective relay via the connector, and to execute inspection of the relay function of the protective relay, based on the relay setting providing signal,
wherein the inspector includes:
a plan creator configured to create inspection plan information for an automatic inspection function based on the relay setting providing signal; and
an inspection processor configured to inspect the relay function of the protective relay based on the inspection plan information,

wherein the relay setting information includes information about at least one enabled relay element as at least some of a plurality of the relay elements provided via the relay function of the protective relay, and information about a trip condition of each enabled relay element,
wherein the inspection plan information includes information about an inspection sequence of the at least one enabled relay element based on the relay setting information, a trip condition of each enabled relay element, at least one inspection target signal corresponding to the trip condition of each enabled relay element, and a trip critical period corresponding to each inspection target signal.