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A modulation strategy to operate multilevel multiphase diode-clamped and active-clamped DC-AC converters at low frequency modulation indices with DC-link capacitor voltage balance

Author
Busquets-Monge, S.; Àlber Filbà Martínez; Alepuz, S.; Calle, A.
Type of activity
Journal article
Journal
IEEE transactions on power electronics
Date of publication
2017-10-01
Volume
32
Number
10
First page
7521
Last page
7533
DOI
https://doi.org/10.1109/TPEL.2016.2636839 Open in new window
Repository
http://hdl.handle.net/2117/105916 Open in new window
URL
http://ieeexplore.ieee.org/document/7776898/ Open in new window
Abstract
This paper proposes a modulation strategy for multilevel multiphase diode-clamped dc–ac converters (also applicable to other functionally equivalent topologies) able to keep the dc-link capacitor voltages balanced under passive front ends, low frequency modulation indices (i.e., low number of switching transitions per fundamental cycle), any value of the amplitude modulation index, and any ac-side displacement power factor. A suitable phase voltage pattern with minimum number of switching tran...
Citation
Busquets-Monge, S., Àlber Filbà Martínez, Alepuz, S., Calle, A. A modulation strategy to operate multilevel multiphase diode-clamped and active-clamped DC-AC converters at low frequency modulation indices with DC-link capacitor voltage balance. "IEEE transactions on power electronics", 1 Octubre 2017, vol. 32, núm. 10, p. 7521-7533.
Keywords
Active-clamped, capacitor voltage balance, dc–ac conversion, diode clamped, multilevel, pulsewidth modulation (PWM), virtual vector
Group of research
GREP - Power Electronics Research Group
PERC-UPC - Power Electronics Research Centre

Participants

  • Busquets Monge, Sergio  (author)
  • Filbà Martínez, Àlber  (author)
  • Alepuz Menendez, Salvador  (author)
  • Calle Prado, Alejandro  (author)

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