SynchroGrid performed a WAC as part of NERC PRC-027-1 requirement 2. The process included verifying proper relay operation and coordination of distance and overcurrent elements. Coordination criteria included Zone 1, Zone 2, Zone 3, and Zone 4 reaches, out of sequence, out of order operations, and CTI mis-coordination. As a part of this project, SynchroGrid also evaluated Switch-Onto-Fault (SOTF), Loss of Potential (LOP) and load encroachment settings.
Reach verifications and coordination checks were made using ASPEN’s PowerScript language.
SynchroGrid performed engineering calculations to verify that relay settings are in compliance with PRC-025-1 for Pattern Energy wind farms located in the US.
SynchroGrid performed engineering calculations for Sharyland Utilities to verify that the relay and limiter settings at the Alibates Substation were in compliance with NERC PRC-019-2.
SynchroGrid performed engineering calculations for Sharyland Utilities’ Tule Canyon Substation to verify that relay and limiter settings were in compliance with NERC PRC-019-2.
SynchroGrid performed a wide area coordination for CTT’s 345kV system.
SynchroGrid conducted a generator NERC-PRC-025-2 compliance review for NRG.
SynchroGrid developed relay settings to replace reactor relays (GE-T60 and SEL-487E-0 were replaced with SEL-387E and SEL-487E-3) and updated drawings, control schematics, and GOOSE architect files to coordinate communications.
SynchroGrid performed engineering calculations for a number of Pattern wind farms in Ontario.
SynchroGrid created an innovative process that has simplified the verification of generator protective relays for NERC PRC-025 compliance.
SynchroGrid performed extensive calculations for wind farms across Canada to ensure that their relay settings were in compliance with a number of NERC-PRC standards.