Network-friendly low-switching-frequency multipulse high-power three-level PWM rectifier

Jorge A. Pontt, José R. Rodríguez, Alvaro Liendo, Patricio Newman, Joachim Holtz, Juan M. San Martin

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

35 Citas (Scopus)


High-power converters for regenerative drives and distributed generation need a network-friendly operation, low harmonic conductive electromagnetic emission for low electromagnetic interference and high electromagnetic compatibility reaching high reliability and performance. Nevertheless, the converters must be controlled with low switching frequency in order to reduce the commutation losses. These two requirements can be satisfied if an optimal modulation strategy is used. The selective harmonic elimination (SHE) is one of the low-switching-frequency strategies most used today. However, this strategy only eliminates a reduced set of harmonic components from the input current. This paper presents a novel optimal modulation strategy whose objective is to reduce the total harmonic distortion of the input current. Six- and twelve-pulse three-level neutral-pointclamped pulsewidth modulation rectifiers are used in order to implement both modulation techniques. The results confirm the advantages of the proposed strategy, namely, less input current distortion and remarkable reduction of higher order harmonics compared with the SHE method, while keeping a low-switching behavior.

Idioma originalInglés
Páginas (desde-hasta)1254-1262
Número de páginas9
PublicaciónIEEE Transactions on Industrial Electronics
EstadoPublicada - 2009

Áreas temáticas de ASJC Scopus

  • Ingeniería de control y sistemas
  • Ingeniería eléctrica y electrónica


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