Mathematical Analysis and Experiment Validation of Modular Multilevel Converters

Yushu Zhang; Grain Philip Adam; Tee Chong Lim; Stephen J. Finney; Barry W. Williams

Mathematical Analysis and Experiment Validation of Modular Multilevel Converters

Vol. 12, No. 1, pp. 33-39, Jan. 2012

10.6113/JPE.2012.12.1.33

Capacitor ripple and size

Modular multilevel converter

Sinusoidal pulse width modulation

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Abstract

This paper describes operating and capacitor voltage balancing of the modular multilevel converter. The paper focuses on sizing of the cell capacitor and establishes approximate expressions for the capacitor voltage. Simulations and experiments results obtained from three-level modular converter are used to demonstrate its viability in medium voltage applications. It is shown that the modular converter can operate over the full modulation index linear range independent of load power factor.

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Cite this article

[IEEE Style]

Y. Zhang, G. P. Adam, T. C. Lim, S. J. Finney, B. W. Williams, "Mathematical Analysis and Experiment Validation of Modular Multilevel Converters," Journal of Power Electronics, vol. 12, no. 1, pp. 33-39, 2012. DOI: 10.6113/JPE.2012.12.1.33.

[ACM Style]

Yushu Zhang, Grain Philip Adam, Tee Chong Lim, Stephen J. Finney, and Barry W. Williams. 2012. Mathematical Analysis and Experiment Validation of Modular Multilevel Converters. Journal of Power Electronics, 12, 1, (2012), 33-39. DOI: 10.6113/JPE.2012.12.1.33.