Losses and cost comparison of DS-HB and SD-FB MMC based large utility grade STATCOM
Paper in proceedings, 2016

Among the various multilevel converter topologies used in medium and high voltage grid applications, the Modular Multilevel Converter (MMC) has been the most promising since it combines good harmonic performance with low switching frequency and high reliability. A major concern however for inverter designers has been the associated cost due to the need for a large number of power devices and capacitors. This paper focuses on the application of MMC in transformer-less STATic synchronous COMpensators (STATCOMs). Initially, the double-star half bridge (DS-HB) and the single-delta full bridge (SD-FB) configurations are presented. Their specific components are designed in an analytical way followed by loss estimation. Finally, a comparison of the necessary components gives an insight of the total cost associated with each configuration.

Modular multi-level converters

Low switching frequency

Multilevel converter

Electric current regulators


Delta wing aircraft

Power converters

losses analysis

Cost comparisons

Specific component


Cost benefit analysis

Harmonic performance


Static synchronous compensators

cost comparison


G. Tsolaridis

Aalborg University

H. A. Pereira

Federal University of Viçosa

A. F. Cupertino

Federal Center for Technological Education of Minas Gerais

Remus Teodorescu

Aalborg University

Massimo Bongiorno

Chalmers, Energy and Environment, Electric Power Engineering

16th International Conference on Environment and Electrical Engineering, EEEIC 2016, Florence, Italy, 7-10 June 2016


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