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A Hybrid Modular Multilevel Converter with Partial Embedded Energy Storage

Author

Listed:
  • Georgios Konstantinou

    (School of Electrical Engineering and Telecommunications, University of New South Wales (UNSW) Australia, Sydney, NSW 2052, Australia)

  • Josep Pou

    (School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore)

  • Daniel Pagano

    (Federal University of Santa Catarina, Florianópolis 88040-900, Brazil)

  • Salvador Ceballos

    (Tecnalia, Energy and Environment Division, 48160 Derio, Spain)

Abstract

Modular and cascaded multilevel converters provide a functional solution for the integration of energy storage systems (ESSs). This paper develops a hybrid multilevel converter based on the modular multilevel converter (MMC) that can be functionally extended with partial embedded ESS as a fraction of the overall converter power rating. The configuration, which can operate as a typical DC-AC converter, enables multi-directional power flow between the DC- and AC-side of the converter, as well as the embedded energy storage elements. The use of a three-phase flying-capacitor submodule eliminates the second-order harmonic oscillations present in modular cascaded multilevel converters. Current, voltage and power control are discussed in the paper while simulation results illustrate the operation of the hybrid MMC as a DC-AC converter in a typical inverter application and the additional functions and control of the embedded ESS.

Suggested Citation

  • Georgios Konstantinou & Josep Pou & Daniel Pagano & Salvador Ceballos, 2016. "A Hybrid Modular Multilevel Converter with Partial Embedded Energy Storage," Energies, MDPI, vol. 9(12), pages 1-18, November.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:12:p:1012-:d:84034
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    Cited by:

    1. Fayun Zhou & An Luo & Yan Li & Qianming Xu & Zhixing He & Josep M. Guerrero, 2017. "Double-Carrier Phase-Disposition Pulse Width Modulation Method for Modular Multilevel Converters," Energies, MDPI, vol. 10(4), pages 1-23, April.

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