SynchroGrid verified that the synchronous condenser at the Alibates substation complied with NERC PRC-019-2, ensuring the limiters operated before the relays, as per standard recommendations.

The process involved the following:

  • Review of coordination of voltage regulating controls, limit functions with protection system devices and functions
  • Setting the in-service limiters to operate before the protection system of the applicable facility to avoid unnecessarily disconnecting the generator
  • Review of coordination of protection system devices & functions with synchronous condenser capabilities
  • Setting the protection system devices prior to equipment capabilities. (This helps isolate or de-energize equipment to limit the extent of damage when the operating conditions exceed equipment capabilities or stability limits.)
  • Creation of NERC PRC-019-2 compliance report

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