Five-level H-bridge flying capacitor converter voltage balance dynamics analysis

S. Thielemans, A. Ruderman, B. Reznikov, J. A A Melkebeek

Research output: Chapter in Book/Report/Conference proceedingConference contribution

19 Citations (Scopus)

Abstract

Flying Capacitor (FC) multilevel Pulse Width Modulated (PWM) converters are an attractive choice due to the natural balancing property of the capacitor voltages. A single-leg flying capacitor converter voltage balance dynamics analytical solution may be obtained using switched systems time domain approach based on stitching of switching intervals piece-wise analytical solutions in combination, for inductance dominated load, with a small parameter technique. In this paper, a symmetric five-level H-bridge flying capacitor converter common mode voltage balance dynamics solution is obtained from its single-leg prototype using "mirror hypothesis" formalism. Simple analytical expressions clearly reveal the dependences on load parameters, carrier frequency, and DC PWM normalized voltage command. For AC modulation, the solution obtained by averaging on a fundamental AC period does not depend on a fundamental frequency. The results of the theoretical analysis are confirmed by extensive switched simulations.

Original languageEnglish
Title of host publicationIEEE International Symposium on Industrial Electronics
Pages826-831
Number of pages6
DOIs
Publication statusPublished - 2010
Externally publishedYes
Event2010 IEEE International Symposium on Industrial Electronics, ISIE 2010 - Bari, Italy
Duration: Jul 4 2010Jul 7 2010

Other

Other2010 IEEE International Symposium on Industrial Electronics, ISIE 2010
CountryItaly
CityBari
Period7/4/107/7/10

Fingerprint

Dynamic analysis
Capacitors
Electric potential
Inductance
Mirrors
Modulation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Control and Systems Engineering

Cite this

Thielemans, S., Ruderman, A., Reznikov, B., & Melkebeek, J. A. A. (2010). Five-level H-bridge flying capacitor converter voltage balance dynamics analysis. In IEEE International Symposium on Industrial Electronics (pp. 826-831). [5637306] https://doi.org/10.1109/ISIE.2010.5637306

Five-level H-bridge flying capacitor converter voltage balance dynamics analysis. / Thielemans, S.; Ruderman, A.; Reznikov, B.; Melkebeek, J. A A.

IEEE International Symposium on Industrial Electronics. 2010. p. 826-831 5637306.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Thielemans, S, Ruderman, A, Reznikov, B & Melkebeek, JAA 2010, Five-level H-bridge flying capacitor converter voltage balance dynamics analysis. in IEEE International Symposium on Industrial Electronics., 5637306, pp. 826-831, 2010 IEEE International Symposium on Industrial Electronics, ISIE 2010, Bari, Italy, 7/4/10. https://doi.org/10.1109/ISIE.2010.5637306
Thielemans S, Ruderman A, Reznikov B, Melkebeek JAA. Five-level H-bridge flying capacitor converter voltage balance dynamics analysis. In IEEE International Symposium on Industrial Electronics. 2010. p. 826-831. 5637306 https://doi.org/10.1109/ISIE.2010.5637306
Thielemans, S. ; Ruderman, A. ; Reznikov, B. ; Melkebeek, J. A A. / Five-level H-bridge flying capacitor converter voltage balance dynamics analysis. IEEE International Symposium on Industrial Electronics. 2010. pp. 826-831
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