Spectral matrix methods for partitioning power grids: Applications to the Italian and Floridian high-voltage networks

Abstract Intentional islanding is used to limit cascading power failures by isolating highly connected “islands” with local generating capacity. To efficiently isolate an island, one should break as few power lines as possible. This is a graph partitioning problem, and here we give preliminary results on islanding of the Italian and Floridian high-voltage grids by spectral matrix methods.

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