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APPARATUS, METHOD, AND SYSTEM FOR WIDE-AREA PROTECTION AND CONTROL USING POWER SYSTEM DATA HAVING A TIME COMPONENT ASSOCIATED THEREWITH

  • US 20080071482A1
  • Filed: 09/18/2007
  • Published: 03/20/2008
  • Est. Priority Date: 09/19/2006
  • Status: Active Grant
First Claim
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1. ) A system for power system automation, control or protection using power system data having a time component associated therewith from a plurality of intelligent electronic devices (IEDs), comprising:

  • a remote IED associated with a remote location on a power line, the remote IED adapted to acquire remote power system signals, and which calculates remote power system data from the acquired power system signals, associates the remote power system data with a time stamp to produce time-stamped remote power system data, transmits the time-stamped remote power system data; and

    a local IED associated with a location on a power line, the local IED adapted to acquire local power system signals, and which calculates local power system data from the sampled power system signals; and

    receives the time-stamped remote power system data, time-aligns the local power system data with the time-stamped remote power system data, and performs a real-time automation, control or protection operations using the time-aligned local power system data and the time-stamped remote power system data.

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