Investigation of sensorless capacitor voltage balancing technique for modular multilevel converters

A. Elserougi, M. I. Daoud, A. M. Massoud, Ayman Abdel-Khalik, Shehab Ahmed

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Citations (Scopus)

Abstract

Modular Multilevel converters (MMC) have become one of the most promising topologies for DC-AC conversion in recent years. Capacitor voltage balancing is a vital issue for proper operation of the MMC. Generally, conventional sensor-based balancing techniques require a significant amount of measurements, 2m(N-1) voltage sensors and 2m current sensors are required for a N-level m-phase converter. In this paper, a sensorless voltage balancing technique (self-balancing) is proposed for the MMC. The proposed technique eliminates all measurement boards used for monitoring capacitor voltages and arm currents, which in turn reduces system complexity and cost. Simulation and experimental results support and validate the proposed concept.

Original languageEnglish
Title of host publicationIECON Proceedings (Industrial Electronics Conference)
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1569-1574
Number of pages6
ISBN (Electronic)9781479940325
DOIs
Publication statusPublished - 24 Feb 2014

Fingerprint

Capacitors
Electric potential
Sensors
Topology
Monitoring
Costs

Keywords

  • Capacitor voltage balancing
  • MMC
  • Sensorless voltage balancing

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Elserougi, A., Daoud, M. I., Massoud, A. M., Abdel-Khalik, A., & Ahmed, S. (2014). Investigation of sensorless capacitor voltage balancing technique for modular multilevel converters. In IECON Proceedings (Industrial Electronics Conference) (pp. 1569-1574). [7048711] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IECON.2014.7048711

Investigation of sensorless capacitor voltage balancing technique for modular multilevel converters. / Elserougi, A.; Daoud, M. I.; Massoud, A. M.; Abdel-Khalik, Ayman; Ahmed, Shehab.

IECON Proceedings (Industrial Electronics Conference). Institute of Electrical and Electronics Engineers Inc., 2014. p. 1569-1574 7048711.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Elserougi, A, Daoud, MI, Massoud, AM, Abdel-Khalik, A & Ahmed, S 2014, Investigation of sensorless capacitor voltage balancing technique for modular multilevel converters. in IECON Proceedings (Industrial Electronics Conference)., 7048711, Institute of Electrical and Electronics Engineers Inc., pp. 1569-1574. https://doi.org/10.1109/IECON.2014.7048711
Elserougi A, Daoud MI, Massoud AM, Abdel-Khalik A, Ahmed S. Investigation of sensorless capacitor voltage balancing technique for modular multilevel converters. In IECON Proceedings (Industrial Electronics Conference). Institute of Electrical and Electronics Engineers Inc. 2014. p. 1569-1574. 7048711 https://doi.org/10.1109/IECON.2014.7048711
Elserougi, A. ; Daoud, M. I. ; Massoud, A. M. ; Abdel-Khalik, Ayman ; Ahmed, Shehab. / Investigation of sensorless capacitor voltage balancing technique for modular multilevel converters. IECON Proceedings (Industrial Electronics Conference). Institute of Electrical and Electronics Engineers Inc., 2014. pp. 1569-1574
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