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The full or partial rating frequency converters, in general, are used widely for the operation of variable speed wind turbine (VSWT) driven wind generators. Among the variable speed wind generators, permanent magnet synchronous generator (PMSG) which uses a full rating frequency converter for grid interfacing is drawing much attention nowadays due to its some salient features. However, considering...
This paper analyzes the effect of the fuzzy logic- controlled superconducting magnetic energy storage (SMES) on damping turbine-generator shaft torsional oscillations during unsuccessful reclosing of circuit breakers. The control scheme of SMES is based on a PWM voltage source converter (VSC) and a two-quadrant DC-DC chopper using gate-turn-off (GTO) thyristor. Simulation results of both balanced...
In this work, steady state characteristic and transient stability of wind turbine generator system (WTGS) are analyzed in detail with using a power system model, in which two wind farms are connected with multi-machine power system. At each wind farm terminal one three-level PWM based STATCOM is connected. Fuzzy logic controller (FLC) is used as the control methodology of the STATCOM. Since shaft...
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