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   Control Strategies for Efficiency Optimization of Small Direct Drive Wind Power Systems (Paper)   [View] 
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 Author(s)   M. Cacciato; A. Consoli; G. Scarcella; G. Scelba; R. Attanasio; T. Bertényi 
 Abstract   This paper compares a Direct Torque Control (DTC) and a sensorless Field Oriented Control (FOC) algorithm implemented on a back-to-back power electronic converter designed to achieve gusttracking capability for small Vertical Axis Wind Turbines (VAWTs). The two control techniques are optimized to provide optimal dynamic performances and they are compared taking into account operation during gusty wind conditions, typical of urban environments. In addition, considering the typical operating profile of VAWTs, the performance of permanent magnet synchronous generators are evaluated during gust tracking. Results from simulations highlight the suitability of the two control techniques to gust-tracking methods, with particular focus on energy harvesting and harmonic content mitigation.  
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Filesize:1.629 MB
 Type   Members Only 
 Date   Last modified 2010-05-06 by System