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Rajabi, Arezoo, Bobba, Rakesh B..  2016.  A Resilient Algorithm for Power System Mode Estimation Using Synchrophasors. Proceedings of the 2Nd Annual Industrial Control System Security Workshop. :23–29.

Bulk electric systems include hundreds of synchronous generators. Faults in such systems can induce oscillations in the generators which if not detected and controlled can destabilize the system. Mode estimation is a popular method for oscillation detection. In this paper, we propose a resilient algorithm to estimate electro-mechanical oscillation modes in large scale power system in the presence of false data. In particular, we add a fault tolerance mechanism to a variant of alternating direction method of multipliers (ADMM) called S-ADMM. We evaluate our method on an IEEE 68-bus test system under different attack scenarios and show that in all the scenarios our algorithm converges well.