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

Claim 5:
6. The device of claim 1, wherein the inspector further includes an inspection starter configured to start the inspection of the relay function of the protective relay upon receipt of the relay setting providing signal,
wherein the inspection starter is configured to:
transmit an inspection mode request signal to the protective relay via the connector, based on the relay setting providing signal,
when a current time reaches a predefined notification period after delivering the inspection mode request signal corresponding to the relay setting providing signal, deliver the inspection mode request signal; and
when the inspection of the relay function has been completed, deliver an inspection termination notification signal to the protective relay, wherein the protective relay is configured to:
when the inspection mode request signal has been received by the protective relay within a predefined inspection maintaining period, maintain an operation of the inspection mode; and
when operating in the inspection mode, disable execution of the relay function corresponding to the relay setting information.