Modular Multilevel Series/Parallel Converter with Switched-Inductor Energy Transfer between Modules

Ricardo Lizana F.*, Sebastian Rivera, Zhongxi Li, Jenny Luo, Angel V. Peterchev, Stefan M. Goetz

*Autor correspondiente de este trabajo

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

7 Citas (Scopus)


This paper presents a modular multilevel series/parallel converter (MMSPC) with intermodule switched-inductor power transfer. The switched-inductor voltage conversion feature allows controllable and efficient transfer of energy between modules with nonnegligible voltage difference, providing both step-down and step-up functionalities. Thus, this converter can accurately control and rapidly adjust the voltage of each module to generate an ac output voltage waveform with a controllable number of levels, increasing the quality of the output. Moreover, the intrinsic DC-DC conversion feature can generate a dc controllable output voltage and enable new applications. In this text, we specifically demonstrate how the flexibility of obtaining both ac and dc output with the same setup renders the topology promising for battery energy storage systems and dc microgrid applications. Experimental results validate the topology and concept of an MMSPC with intrinsic switched-inductor conversion.
Idioma originalInglés
Número de artículo8419277
Páginas (desde-hasta)4844-4852
Número de páginas9
PublicaciónIEEE Transactions on Power Electronics
EstadoPublicada - may. 2019

Nota bibliográfica

Publisher Copyright:
© 2018 IEEE.

Palabras clave

  • DC-AC power conversion
  • DC-DC power conversion
  • energy storage
  • modular multilevel converter (MMC)
  • power converter


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