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Relay Setting Creation for Multiple POI Substations





Service Provided

System Protection


How we helped

SynchroGrid created relay settings for several new Point of Interconnect (POI) substations in Texas.

The process involved the following:

  • Creation of relay settings for line relays (SEL-421, SEL-311L, SEL-311C)
  • Creation of relay settings for breaker failure relay SEL-551
  • Creation of relay settings for I/O processor SEL-2440
  • Creation of Power Line Carrier device settings.
  • Performing primary and backup line relay setting coordination
  • Creation of relay setting reports
  • NERC PRC-027 related relay setting verification and email communication with the interconnecting utilities

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Case Studies