Modelling of Transmission Line Faults in Power System

Sajeeb Saha and Mohammad Aldeen


Power System, Symmetrical Component Analysis, Unbalance Fault, Dynamic Modelling


In this paper we introduce a generic approach to dynamical modelling of power systems with symmetrical and asymmetrical faults in their transmission networks. Symmetrical components analysis is incorporated into the dynamics of the generating units (a generating unit comprises a eighth order nonlinear model of a synchronous generator, a third order IEEE exciter, and a third order IEEE turbine and speed-governing system) feeding the networks. It is shown through simulation that the model reflects the physical behaviour of the power system under normal as well as fault conditions.

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