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Control proposals for the operation of power converters in wind power systems
Luna Alloza, Álvaro; Aguilar, Daniel; Muñoz Aguilar, Raúl Santiago; Córcoles López, Felipe; Rodríguez Cortés, Pedro
Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica; Universitat Politècnica de Catalunya. QSE - Qualitat del Subministrament Elèctric; Universitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable
The wind turbines based on Doubly Fed Induction Generators (DFIG) represent almost the 60% of the installed windpower worldwide. Nowadays most of the existing algorithms, used for regulating the production of active and reactive power in such systems, are based on control techniques that use rotational reference frames theories, where the dq0 is maybe the most popular. Despite of its good operation under balanced conditions its behaviour depends on a good phase synchronization, otherwise the different transformations cannot be performed with enough guarantees. Of course this kind of response is becomming insuficient, as far as the windpower penetration is increasing. This paper will present a new control topology for DFIG, that are connected using back to back inverters, that is able to behave better in case of faulty grids. Besides some proposals for improving the operation of the DFIG will be presented as well. The aim of that part is to extend the possibilities that the back to back inverters are able to offer to the generator system by means of including new functionalities, as the active filtering capability or the reduction of the flicker emission that will be later discussed.
Àrees temàtiques de la UPC::Energies::Energia eòlica::Aerogeneradors
Àrees temàtiques de la UPC::Enginyeria electrònica i telecomunicacions::Electrònica de potència::Convertidors de corrent elèctric
Wind power
Electric current converters
Induction generators
Wind energy conversion systems
Energia eòlica -- Conversió
Convertidors de corrent elèctric
Generadors de potència fotovoltaica
Attribution-NonCommercial-NoDerivs 3.0 Spain

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