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Contingency ranking for transient stability via eigen-sensitivity analysis of small signal stability model

By: Shim, K.S.; Nam, H.K.; Lee, K.Y.; Song, S.G.; Kim, Y.K.;

2000 / IEEE / 0-7803-5935-6

Description

This item was taken from the IEEE Conference ' Contingency ranking for transient stability via eigen-sensitivity analysis of small signal stability model ' This paper presents a new systematic contingency screening and ranking method for transient stability. The modal synchronizing torque coefficient (MSTC) is computed using eigen-sensitivity analysis of the electromechanical oscillation modes in a small signal stability model and contingencies are ranked in decreasing order of the sensitivities of the MSTC. The relevant clusters are identified using the eigenvector or participating factor. The proposed algorithm is tested on the New England 10-machine 39-bus system. Ranking obtained by eigen-sensitivity analysis is consistent with the time simulation results.