Principal Investigator Konstantin Turitsyn
Modern power systems are protected against failures of any individual component (N-1 security), so blackouts are usually triggered by simultaneous failures of at least 2 components (N-2 contingency). Identification of dangerous N-2 contingencies is very challenging due to large number of possible pairs of lines and generators.
We invented a unique filtering technique for selection of dangerous contigencies that allows fast screening of safe scenarios with zero missing rate guarantees. On medium sized models the algorithm leads to thousand fold acceleration of the selection process and allows real-time blackout risk assessment.