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A Fresh Look at Restoring Power to the Grid

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Fog rises from an electrical substation in Albuquerque, NM.

Sandia National Laboratories computer scientists have created a computer algorithm to determine the optimal order to restore power to a grid after a total disruption, a process called a black start.

Credit: Craig Fritz

Sandia National Laboratories computer scientists have been developing a "black start" computer model to help grid operators quickly restore power after a disruption.

The model integrates a restoration-optimization model with a model of how grid operators would make decisions when lacking full knowledge of all generators and distribution lines.

Simulated black starts induced by man-made disruptions like cyberattacks also are supported.

Sandia's Bryan Arguello said the restoration-optimization algorithm evaluates the grid and its elements to formulate the fastest power restoration scenario, then compares it to physical limits to determine feasibility.

The model applies these results to a physical simulation of the grid and its dynamic response to operators' actions.

From Sandia Labs News
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