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Local monitoring apparatus, monitoring system and method of digital protective relay

  • US 9,312,727 B2
  • Filed: 06/20/2012
  • Issued: 04/12/2016
  • Est. Priority Date: 06/24/2011
  • Status: Active Grant
First Claim
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1. A power distribution monitoring system of a digital protective relay, the system comprising:

  • one or more digital protective relays provided with one or more remote monitoring ports connected via a remote monitoring connection line, the one or more digital protective relays configured to collect data related to events and generate monitoring data based on the events;

    a local monitoring apparatus provided with a local monitoring program and connected to the one or more digital protective relays via the remote monitoring connection line to receive the monitoring data using a local monitoring dedicated protocol; and

    a remote monitoring apparatus connected via the remote monitoring connection line to receive the monitoring data from the one or more digital protective relays using a remote monitoring dedicated protocol, whereinthe one or more digital protective relays comprise;

    a communication module configured to transmit the monitoring data and receive control data anda control module configured to determine a communication protocol of the monitoring data, and process the control data using the local monitoring dedicated protocol or the remote monitoring dedicated protocol according to a result of the determination.

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