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Title:
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DC-link voltage oscilations reduction during unbalanced grid faults for high power wind turbines
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Author:
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Miranda, Hernan; Teodorescu, Remus; Rodríguez Cortés, Pedro; Helle, L.
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Other authors:
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Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica; Universitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable |
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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. |
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Abstract:
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Peer Reviewed |
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Subject(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 |
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Rights:
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Document type:
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Article - Published version
Conference Object |
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Share:
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