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A framework to predict voltage collapse in power systems

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4 Author(s)
F. J. Mercede ; Dept. of Electr. & Comput. Eng., Drexel Univ., Philadelphia, PA, USA ; J. -C. Chow ; H. H. Yan ; R. Fischl

A framework based on region-wise partitioning is presented which accounts for several of the mechanisms to predict voltage collapse and can serve as a basis for comparing the effectiveness of performance indices to predict on-line, voltage collapse problems in power systems. The basis of the framework is the voltage stability (VS) region, which accounts for both static and dynamic mechanisms of voltage collapse. Based on the VS region, static and dynamic performance indices, are defined to predict the static mechanisms of voltage collapse in the input or injection space and the dynamic mechanism in the post-contingency state space respectively

Published in:

IEEE Transactions on Power Systems  (Volume:3 ,  Issue: 4 )