Active DC voltage balancing PWM technique for high-power cascaded multilevel converters

Luca Tarisciotti, Pericle Zanchetta, Alan Watson, Stefano Bifaretti, Jon C. Clare, Patrick W. Wheeler

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

64 Citas (Scopus)

Resumen

In this paper, a dedicated pulse width modulation (PWM) technique specifically designed for single-phase (or four wire three-phase) multilevel Cascaded H-Bridge Converters is presented. The aim of the proposed technique is to minimize the DC-Link voltage unbalance, independently from the amplitude of the DC-Link voltage reference, and compensate the switching device voltage drops and on-state resistances. Such compensation can be used to achieve an increase in the waveform quality of the converter. This is particularly useful in high-power low supply voltage applications where a low switching frequency is used. The DC-Link voltage balancing capability of the method removes the requirement for additional control loops to actively balance the DC-Link voltage on each H-Bridge, simplifying the control structure. The proposed modulation technique has been validated through the use of simulation and extensive experimental testing to confirm its effectiveness.

Idioma originalInglés
Número de artículo6748051
Páginas (desde-hasta)6157-6167
Número de páginas11
PublicaciónIEEE Transactions on Industrial Electronics
Volumen61
N.º11
DOI
EstadoPublicada - 1 ene. 2014

Áreas temáticas de ASJC Scopus

  • Ingeniería de control y sistemas
  • Informática aplicada
  • Ingeniería eléctrica y electrónica

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