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Voltage balancing method for the multilevel flying capacitor converter using phase-shifted PWM

Author
Ghias, A.; Pou, J.; Ciobotaru, M.; Agelidis, V.
Type of activity
Presentation of work at congresses
Name of edition
IEEE International Conference on Power and Energy (PECON’12),
Date of publication
2012
Presentation's date
2012-12
Book of congress proceedings
IEEE International Conference on Power and Energy (PECON’12), Sutera Harbour, Sabah, Malaysia, 2-5 Dec. 2012.
First page
274
Last page
279
DOI
https://doi.org/10.1109/PECon.2012.6450221 Open in new window
Repository
http://hdl.handle.net/2117/18628 Open in new window
URL
http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6450221 Open in new window
Abstract
n flying capacitor (FC) converters, phase-shifted pulse-width modulation (PS-PWM) provides natural voltage balancing. However, for a practical application, a more robust balancing mechanism of maintaining the FC voltages at the desired values is required. This paper proposes a new closed-loop voltage balancing method for multilevel FC converters using PS-PWM. The proposed method balances the voltages of the FCs by modifying the duty cycle of each switch of the FC converter using a proportional (...
Citation
Ghias, A. [et al.]. Voltage balancing method for the multilevel flying capacitor converter using phase-shifted PWM. A: IEEE International Conference on Power and Energy. "IEEE International Conference on Power and Energy (PECON’12), Sutera Harbour, Sabah, Malaysia, 2-5 Dec. 2012.". Sutera Harbour, Sabah: 2012, p. 274-279.
Keywords
Capacitor voltage balancing, Flying capacitor (FC) converter, Multilevel converter, Phase-shifted pulse width modulation (PS-PWM)
Group of research
Electromagnetic Compatibility (EMC); Widebandgap (WBG); Internal Activity; Feature Selective Validation (FSV); Spread Spectrum modulation; Reliability; Multilevel Converters; Fault detection;

Participants

  • Ghias, Amer M.Y.M  (author and speaker )
  • Pou Felix, Josep  (author and speaker )
  • Ciobotaru, M.  (author and speaker )
  • Agelidis, Vassilios  (author and speaker )