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This paper presents an efficiency analysis of a recently-published topology, the multilevel-active-clamped (MAC) topology. In order to assess the MAC topology, an
efficiency comparison between a four-level MAC leg and a conventional two-level leg operating in low voltage is carried out.
First, overall losses of both topologies are estimated. Then, experimental tests to measure their overall losses and their
efficiency are presented. Finally, obtained results from the experimental tests are compared with the estimations to
substantiate the analysis. The efficiency of the MAC topology is higher in all the switching-frequency range.
CitationNicolas, J. [et al.]. Experimental efficiency comparison between a four-level active-clamped and a two-level topology. A: Annual Conference of the IEEE Industrial Electronics Society. "Proceedings of the IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society". Viena: 2013, p. 6225-6230.
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