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Real time preventive actions for transient stability enhancement with a hybrid neural network-optimization approach

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4 Author(s)
Miranda, V. ; Dept. de Engenharia Electrotecnica e de Computadores, Porto Univ., Portugal ; Fidalgo, J.N. ; Lopes, J.A.P. ; Almeida, L.B.

This paper reports a new approach in defining preventive control measures to assure transient stability relative to one or several contingencies that may occur separately in a power system. Generation dispatch is driven not only by economic functions but also with the derivatives of the transient energy margin value; these derivatives are obtained directly from a trained artificial neural network (ANN), using real time monitorable system values. Results obtained from computer simulations, for several contingencies in the CIGRE test system, confirm the validity of the developed approach

Published in:
Power Systems, IEEE Transactions on  (Volume:10 ,  Issue: 2 )

Date of Publication: May 1995

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