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Susceptibility of 3-phase power systems to ferro-nonlinear oscillations

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2 Author(s)
Baràkat, E.E. ; University of Khartoum, Khartoum, Sudan ; Hirst, D.E.

A numerical method is described for predicting the possibility of jump resonance or subharmonic oscillations being sustained by a given 3-phase circuit, based on the describing function and dual-input describing function concepts of control theory. The method can be applied to predict asymmetrical jump modes which have no equivalent in single-phase circuits. Results predicted by this method are compared with results obtained from laboratory experiments.

Published in:

Electrical Engineers, Proceedings of the Institution of  (Volume:126 ,  Issue: 12 )