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The complete-order modelling of state-space representations of synchronous and induction generators for wind turbine applications is presented. Fully equivalent models with different state variables, suitable for different control schemes, are given. The state-space representations provide a convenient, compact and elegant way to assess the induction and synchronous generator-based wind turbines,...
This paper develops a framework of maximum power point tracking (MPPT) of doubly-fed induction generator (DFIG) based and permanent magnet synchronous generator (PMSG) based wind energy systems. The principles of MPPT in various wind generators are firstly investigated and feedback control schemes to realize MPPT with/without wind speed measurements are presented. Stability analysis of the wind energy...
The paper presents the functioning stability problem of the synchronous machine in two cases: autonomous regime and parallel with grid of a certain voltage and frequency. Through numeric simulations, in dynamic regime, there is proved the fact that the synchronous generator (SG) is operating in a stable dynamic regime for any value of the load, in autonomous regime or connected to the grid (U, f)...
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