M. Ortmann

New symmetrical hybrid multilevel DC-AC converters

S. A. Mussa, R. R. Astudillo, D. Ruiz-Caballero, 2008, 2008 IEEE Power Electronics Specialists Conference.

Analysis of Carrier-Based PWM Patterns for a Three-Phase Five-Level Bidirectional Buck $+$Boost-Type Rectifier

Marcelo Lobo Heldwein, Thiago Batista Soeiro, Lisandra Kittel Ries, 2017, IEEE Transactions on Power Electronics.

Development and Implementation of an Interconnection Module for Smart Microgrids

Marcelo L. Heldwein, Márcio S. Ortmann, Daniela Dantas, 2018, 2018 13th IEEE International Conference on Industry Applications (INDUSCON).

Stability analysis of a smart microgrid solar photovoltaic system

Roberto F. Coelho, Marcelo L. Heldwein, Márcio S. Ortmann, 2017, 2017 Brazilian Power Electronics Conference (COBEP).

Solar photovoltaic static conversion system applied to a smart microgrid

Roberto F. Coelho, Marcelo L. Heldwein, Márcio S. Ortmann, 2017, 2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG).

Architecture, components and operation of an experimental hybrid ac/dc smart microgrid

Roberto F. Coelho, Marcelo L. Heldwein, Márcio S. Ortmann, 2017, 2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG).

Unified hybrid (Ac/Dc) active distribution networks droop-based load-sharing strategy

Marcelo L. Heldwein, Cesare Q. Pica, Victor Maryama, 2014, IEEE PES Innovative Smart Grid Technologies, Europe.