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The induction generators are basic to wind energy conversion. They produce the active power and consume reactive power, with the voltage characteristics fragile compared with that of the synchronous generators. In stressed system conditions, they may intensify var imbalance, causing undesirable operation of the zone 3 impedance relays (mho relays). In this paper, the static voltage characteristics...
The paper proposes an innovative single-phase synchronous generator - a particular case of new generators' stator windings configurations. Electric structures of these configurations are considered, in the case of constant or variable speed squirrel cage and permanent magnet rotor of the three phase machines with single-phase output. The paper is focused on the study of the two stator windings permanent...
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 presents the analysis of a voltage regulator for a 3-phase self-excited induction generator (SEIG) using a current controlled voltage source inverter (CC-VSI). The control scheme consists of two PI controllers and one hysteresis current controller, which are used to regulate the stator terminal voltage of the induction generator (IG). A mathematical model of a SEIG in synchronously rotating...
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