Experimental Validation of the Quasi-Three-Level Operation Mode for a Hybrid Modular Multilevel Converter with Series-Connected Clamping Switches

Research output: Chapter in book/report/conference proceedingConference contributionResearchpeer review

Authors

  • Malte Lorenz
  • Axel Mertens
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Details

Original languageEnglish
Title of host publicationICPE 2023-ECCE Asia
Subtitle of host publication11th International Conference on Power Electronics - Green World with Power Electronics
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2218-2225
Number of pages8
ISBN (electronic)9788957083505
ISBN (print)979-8-3503-3620-7
Publication statusPublished - 2023
Event11th International Conference on Power Electronics - ECCE Asia, ICPE 2023-ECCE Asia - Jeju, Korea, Republic of
Duration: 22 May 202325 May 2023

Publication series

Name International Conference on Power Electronics
ISSN (Print)2150-6078
ISSN (electronic)2150-6086

Abstract

This paper presents a three-phase hybrid modular multilevel converter prototype for the quasi-three-level operation mode which uses conventional series-connected clamping switches to generate the zero output voltage level. A modular concept for these clamping switches and their threshold voltage detection circuit is presented. Stable operation of the quasi- three-level operation mode is demonstrated by experiment. Moreover, a shutdown procedure for the converter in the case of a failure is shown. The dynamic voltage sharing of the series-connected clamping switches is also measured, showing that an extension of this topology to higher voltages is generally feasible.

Keywords

    converter control, DC-AC power converters, multilevel converters, quasi-three-level

ASJC Scopus subject areas

Cite this

Experimental Validation of the Quasi-Three-Level Operation Mode for a Hybrid Modular Multilevel Converter with Series-Connected Clamping Switches. / Lorenz, Malte; Mertens, Axel.
ICPE 2023-ECCE Asia : 11th International Conference on Power Electronics - Green World with Power Electronics. Institute of Electrical and Electronics Engineers Inc., 2023. p. 2218-2225 ( International Conference on Power Electronics).

Research output: Chapter in book/report/conference proceedingConference contributionResearchpeer review

Lorenz, M & Mertens, A 2023, Experimental Validation of the Quasi-Three-Level Operation Mode for a Hybrid Modular Multilevel Converter with Series-Connected Clamping Switches. in ICPE 2023-ECCE Asia : 11th International Conference on Power Electronics - Green World with Power Electronics. International Conference on Power Electronics, Institute of Electrical and Electronics Engineers Inc., pp. 2218-2225, 11th International Conference on Power Electronics - ECCE Asia, ICPE 2023-ECCE Asia, Jeju, Korea, Republic of, 22 May 2023. https://doi.org/10.23919/ICPE2023-ECCEAsia54778.2023.10213946
Lorenz, M., & Mertens, A. (2023). Experimental Validation of the Quasi-Three-Level Operation Mode for a Hybrid Modular Multilevel Converter with Series-Connected Clamping Switches. In ICPE 2023-ECCE Asia : 11th International Conference on Power Electronics - Green World with Power Electronics (pp. 2218-2225). ( International Conference on Power Electronics). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.23919/ICPE2023-ECCEAsia54778.2023.10213946
Lorenz M, Mertens A. Experimental Validation of the Quasi-Three-Level Operation Mode for a Hybrid Modular Multilevel Converter with Series-Connected Clamping Switches. In ICPE 2023-ECCE Asia : 11th International Conference on Power Electronics - Green World with Power Electronics. Institute of Electrical and Electronics Engineers Inc. 2023. p. 2218-2225. ( International Conference on Power Electronics). doi: 10.23919/ICPE2023-ECCEAsia54778.2023.10213946
Lorenz, Malte ; Mertens, Axel. / Experimental Validation of the Quasi-Three-Level Operation Mode for a Hybrid Modular Multilevel Converter with Series-Connected Clamping Switches. ICPE 2023-ECCE Asia : 11th International Conference on Power Electronics - Green World with Power Electronics. Institute of Electrical and Electronics Engineers Inc., 2023. pp. 2218-2225 ( International Conference on Power Electronics).
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abstract = "This paper presents a three-phase hybrid modular multilevel converter prototype for the quasi-three-level operation mode which uses conventional series-connected clamping switches to generate the zero output voltage level. A modular concept for these clamping switches and their threshold voltage detection circuit is presented. Stable operation of the quasi- three-level operation mode is demonstrated by experiment. Moreover, a shutdown procedure for the converter in the case of a failure is shown. The dynamic voltage sharing of the series-connected clamping switches is also measured, showing that an extension of this topology to higher voltages is generally feasible.",
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