Salt Lake City Load Preservation System
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Client: Andeavor
Location: Utah

The Andeavor SLC oil refinery recently completed several upgrades aimed at improving power system reliability and flexibility, including the ability to continue operations when islanded from the utility grid. Because of a generation deficit within the refinery, the system required a load-shedding scheme to allow islanded operation.

POWER made use of IEC 61850 GOOSE messaging, originally employed for the reliability upgrade, as a solution for the load-shedding scheme platform. All of the Intelligent Electronic Devices to be included in the load-shedding scheme had IEC 61850 capabilities, so the only additional hardware required for the load-shedding project was a new load-shedding controller.

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