Presentation of Global Behaviour of Nonlinear AC Power Systems Using Bifurcation Diagrams

Operational voltage levels can force a.c. power systems into non-linear behaviour. The system global characteristics are presented in bifurcation diagrams, generated using an electromagnetic–transients program. They reveal the onset of ferroresonance, period-doubling and chaos when series capacitance is present between the supply and saturating transformers.

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