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Citació: Rockhill, A.A. [et al.]. Grid filter design for a multi-megawatt medium-voltage voltage source inverter. "IEEE transactions on industrial electronics", 14 Octubre 2010, p. 1-13.
Títol: Grid filter design for a multi-megawatt medium-voltage voltage source inverter
Autor: Rockhill, A.A.; Liserre, M.; Teodorescu, Remus; Rodríguez Cortés, Pedro Veure Producció científica UPC
Editorial: IEEE Press. Institute of Electrical and Electronics Engineers
Data: 14-oct-2010
Tipus de document: Article
Resum: This paper describes the design procedure and performance of an LCL grid filter for a medium-voltage neutral point clamped (NPC) converter to be adopted for a multimegawatt wind turbine. The unique filter design challenges in this application are driven by a combination of the medium voltage converter, a limited allowable switching frequency, component physical size and weight concerns, and the stringent limits for allowable injected current harmonics. Traditional design procedures of grid filters for lower power and higher switching frequency converters are not valid for a multi-megawatt filter connecting a medium-voltage converter switching at low frequency to the electric grid. This paper demonstrates a frequency domain model based approach to determine the optimum filter parameters that provide the necessary performance under all operating conditions given the necessary design constraints. To achieve this goal, new concepts such as virtual harmonic content and virtual filter losses are introduced. Moreover, a new passive damping technique that provides the necessary damping with low losses and very little degradation of the high-frequency attenuation is proposed.
ISSN: 0278-0046
URI: http://hdl.handle.net/2117/11425
DOI: 10.1109/TIE.2010.2087293
Apareix a les col·leccions:Altres. Enviament des de DRAC
SEER - Sistemes Elèctrics d'Energia Renovable. Articles de revista
Departament d'Enginyeria Elèctrica. Articles de revista
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