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Thanks to the inherent redundancy to generate the different output voltage levels, the multilevel active clamped
(MAC) topology presents an important fault-tolerance ability which makes it interesting for several applications. This paper
presents an analysis of the fault-tolerance capacity of the MAC converter. Both open-circuit and short-circuit faults are
considered and the analysis is carried out under single-device and two-simultaneous-device faults. Switching strategies to
overcome the limitations caused by faults are proposed. Experimental tests with a four-level MAC prototype are presented to validate the analysis.
CitacióNicolas, J. [et al.]. Fault-tolerance capacity of the multilevel active clamped topology. A: IEEE Energy Conversion Congress and Exposition. "IEEE ECCE 2011 proceedings: IEEE Energy Conversion Congress and Exposition: September 17-22, 2011, Hyatt Regency Phoenix, Arizona". Phoenix, AR: IEEE, 2011, p. 3411-3418.