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ESBC: an enhanced modular multilevel converter with H-bridge front end

Amankwah, Emmanuel; Costabeber, Alessando; Jasim, Omar; Trainer, David; Clare, Jon C.


Emmanuel Amankwah

Alessando Costabeber

Omar Jasim

David Trainer

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Professor of Power Electronics


This paper presents the Enhanced Series Bridge Converter (ESBC), a hybrid modular multilevel converter with H-bridge front end suitable for high power grid applications. It retains the advantages of other modular multilevel topologies while offering compact structure, making it attractive for offshore stations, back-back HVDC stations, and city centre infeeds. The structure, operating principles and energy management of the converter are discussed. Simulation results from a scaled down medium voltage demonstrator are presented to validate the concept.


Amankwah, E., Costabeber, A., Jasim, O., Trainer, D., & Clare, J. C. (2017). ESBC: an enhanced modular multilevel converter with H-bridge front end.

Conference Name 2017 IEEE Energy Conversion Congress and Exposition (ECCE)
End Date Oct 5, 2017
Acceptance Date May 1, 2017
Online Publication Date Nov 7, 2017
Publication Date Oct 1, 2017
Deposit Date Apr 11, 2018
Publicly Available Date Apr 11, 2018
Peer Reviewed Peer Reviewed
Keywords Modular Multilevel Converters, HVDC Transmission, Offshore, H-bridge
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Additional Information doi:10.1109/ECCE.2017.8096830


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