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This paper presents the influence of non-conventional sources like central station solar photovoltaic model and wind plant model in multi-machine power system for transient stability. Modified four-generator system is studied by replacing one of the conventional synchronous generators with solar photovoltaic and wind generator model. The performance is compared with the classical four-generator system...
The importance of parasitic parameters in the study of a dynamical system is brought out in this work. The neglect of these parameters in the context of invariant manifolds for a multi machine power system for transient stability is studied. Singular perturbation approach is used for the calculation of critical clearing time of a large disturbance fault using equilibrium and invariant manifolds. It...
For a Doubly Fed Induction Generator (DFIG) the effect of discharge resistor in series with DC link capacitor is investigated in respect to its transient stability performance. Observations are carried out with different values of resistor for different types of fault and fault location. For the study, 9MW wind farm model in MATLAB simulink module is considered where generators are lumped into a single...
The non-linear oscillatory behaviour of rotor angle of synchronous generator is very important in the power system stability studies. In this work; a systematic analytical approach based on perturbation theory is proposed to understand the effect of higher order terms of the Taylor series expansion of the swing equation model of power system. Classical model of power system is explicitly represented...
In this paper generalized MATLAB program is developed to find crossing point at potential energy boundary surface (PEBS) through a generalized mathematical approach. In direct method of power system transient stability analysis, an energy function is formulated and then an approximate stability boundary is estimated with unstable equilibrium points at the boundary or region of attraction. However...
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