RT Conference Proceedings T1 DC-DC converter with bipolar output and its use for connection of a distributed generation system to a bipolar dc grid A1 Durán Aranda, Eladio A1 Pérez Litrán, Salvador A1 Ferrera Prieto, María Bella PB Centro Científico Tecnológico de Huelva YR 2019 FD 2019 LK http://hdl.handle.net/10272/17520 UL http://hdl.handle.net/10272/17520 LA eng DS Repositorio Institucional de la Universidad de Huelva RD 4 jul 2026