Helio L. Hey

Integrated control of a stand-alone photovoltaic system based on decentralized DC-DC converters

Diogo B. Candido, Leandro Michels, Helio L. Hey, 2010, 2010 IEEE International Symposium on Industrial Electronics.

Comparative analysis of ZCZVT variable speed drives

Helio L. Hey, Rafael C. Beltrame, Jean C. Gazzoni, 2011, XI Brazilian Power Electronics Conference.

Integrated methodology design to improve the efficiency and reduce volume of the CCM PFC boost converters with pre-sizing settings

Fernando Beltrame, Helio L. Hey, J. R. Pinheiro, 2015, 2015 IEEE 24th International Symposium on Industrial Electronics (ISIE).

Loss and thermal analysis of semiconductor devices applied to an electric circuit simulator

Helio L. Hey, Fabricio E. Cazakevicius, Rafael C. Beltrame, 2011, XI Brazilian Power Electronics Conference.