Dr. Federico Ibanez gave an oral presentation in the international conference IEEE ISGT Europe, in Torino, Italy in November 2017. The proceeding of the conference (conference paper) can be found here.
F. Ibanez, “Quasi-resonant multilevel converter for supercapacitor energy storage systems,” 2017 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe), 2017, pp. 1-6, doi: 10.1109/ISGTEurope.2017.8260106.