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Mauro Escobar - IEEE Xplore Author Profile

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We describe stochastic defense mechanisms designed to detect sophisticated grid attacks involving both physical actions (including load modification) and sensor output alteration. The initial attacks are undetectable under a full ac power-flow model even assuming ubiquitous sensor placement, while hiding large line overloads. The defensive techniques apply network control actions that change volta...Show More
Assuming access to synchronized stream of Phasor Measurement Unit (PMU) data over a significant portion of a power system interconnect, say controlled by an Independent System Operator (ISO), what can you extract about past, current and future state of the system? We have focused on answering these practical questions pragmatically _ empowered with nothing but standard tools of data analysis, such...Show More