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Simple time domain analysis of a 4-level H-bridge flying capacitor converter voltage balancing

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Abstract
Flying Capacitor (FC) multilevel Pulse Width Modulated (PWM) converters are an attractive choice due to the natural balancing property of the capacitor voltages. The balancing can be studied in the time domain, which results in easy to interpret expressions regarding parameter influence. Time domain analysis is normally done by time averaging of the system model over a PWM-period. In this paper a new method is presented starting from the “voltage unbalance” excessive energy which has to be dissipated in the converter load by switching harmonics in the load current. This is applied on a four-level H-bridge converter, which has dynamics of a high order and is normally hard to describe in the dime domain. The proposed method results in time domain parameters exactly describing the behaviour and the balancing of the capacitor voltages of the four-level H-bridge converter.
Keywords
time-domain analysis, PWM power convertors, time domain analysis, 4-level H-bridge flying capacitor converter voltage balancing, pulse width modulated converters, PWM converters, switching harmonics

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MLA
Thielemans, Steven et al. “Simple Time Domain Analysis of a 4-level H-bridge Flying Capacitor Converter Voltage Balancing.” 2010 IEEE International Conference on Industrial Technology (ICIT 2010). Piscataway, NJ, USA: IEEE, 2010. 818–823. Print.
APA
Thielemans, S., Ruderman, A., Reznikov, B., & Melkebeek, J. (2010). Simple time domain analysis of a 4-level H-bridge flying capacitor converter voltage balancing. 2010 IEEE International Conference on Industrial Technology (ICIT 2010) (pp. 818–823). Presented at the 2010 IEEE International Conference on Industrial Technology (ICIT 2010), Piscataway, NJ, USA: IEEE.
Chicago author-date
Thielemans, Steven, Alex Ruderman, Boris Reznikov, and Jan Melkebeek. 2010. “Simple Time Domain Analysis of a 4-level H-bridge Flying Capacitor Converter Voltage Balancing.” In 2010 IEEE International Conference on Industrial Technology (ICIT 2010), 818–823. Piscataway, NJ, USA: IEEE.
Chicago author-date (all authors)
Thielemans, Steven, Alex Ruderman, Boris Reznikov, and Jan Melkebeek. 2010. “Simple Time Domain Analysis of a 4-level H-bridge Flying Capacitor Converter Voltage Balancing.” In 2010 IEEE International Conference on Industrial Technology (ICIT 2010), 818–823. Piscataway, NJ, USA: IEEE.
Vancouver
1.
Thielemans S, Ruderman A, Reznikov B, Melkebeek J. Simple time domain analysis of a 4-level H-bridge flying capacitor converter voltage balancing. 2010 IEEE International Conference on Industrial Technology (ICIT 2010). Piscataway, NJ, USA: IEEE; 2010. p. 818–23.
IEEE
[1]
S. Thielemans, A. Ruderman, B. Reznikov, and J. Melkebeek, “Simple time domain analysis of a 4-level H-bridge flying capacitor converter voltage balancing,” in 2010 IEEE International Conference on Industrial Technology (ICIT 2010), Viña del Mar, Chile, 2010, pp. 818–823.
@inproceedings{975365,
  abstract     = {Flying Capacitor (FC) multilevel Pulse Width Modulated (PWM) converters are an attractive choice due to the natural balancing property of the capacitor voltages. The balancing can be studied in the time domain, which results in easy to interpret expressions regarding parameter influence. Time domain analysis is normally done by time averaging of the system model over a PWM-period. In this paper a new method is presented starting from the “voltage unbalance” excessive energy which has to be dissipated in the converter load by switching harmonics in the load current. This is applied on a four-level H-bridge converter, which has dynamics of a high order and is normally hard to describe in the dime domain. The proposed method results in time domain parameters exactly describing the behaviour and the balancing of the capacitor voltages of the four-level H-bridge converter.},
  author       = {Thielemans, Steven and Ruderman, Alex and Reznikov, Boris and Melkebeek, Jan},
  booktitle    = {2010 IEEE International Conference on Industrial Technology (ICIT 2010)},
  isbn         = {9781424456970},
  keywords     = {time-domain analysis,PWM power convertors,time domain analysis,4-level H-bridge flying capacitor converter voltage balancing,pulse width modulated converters,PWM converters,switching harmonics},
  language     = {eng},
  location     = {Viña del Mar, Chile},
  pages        = {818--823},
  publisher    = {IEEE},
  title        = {Simple time domain analysis of a 4-level H-bridge flying capacitor converter voltage balancing},
  url          = {http://dx.doi.org/10.1109/ICIT.2010.5472616},
  year         = {2010},
}

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