Título:
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DC-link voltage oscilations reduction during unbalanced grid faults for high power wind turbines
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Autor/a:
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Miranda, Hernan; Teodorescu, Remus; Rodríguez Cortés, Pedro; Helle, L.
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Otros autores:
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Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica; Universitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable |
Abstract:
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During unbalanced grid voltage faults the Power injected to the grid experiences 100Hz oscillations
as a result of interactions between positive and negative sequence components of three-phase voltages
and currents. These oscillations can become as high as %50 percent of the rated power. In this article
an improved controller is proposed which present different behavior during normal operation and faults
to keep track of non-sinusoidal current reference signals. The reference signals are calculated to obtain
zero power oscillations. Reconfigurable resonant controllers are used for this purpose applied to 3-level
Neutral-point-clamped converter in the megawatt range. |
Abstract:
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Peer Reviewed |
Materia(s):
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-Àrees temàtiques de la UPC::Energies::Energia elèctrica::Automatització i control de l'energia elèctrica -Àrees temàtiques de la UPC::Energies::Energia eòlica::Aerogeneradors -Electric power system stability -Wind turbines -Xarxes elèctriques -- Estabilitat -Aerogeneradors |
Derechos:
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Tipo de documento:
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Artículo - Versión publicada Objeto de conferencia |
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