Cable diagnostics methods for determining degradation caused by renewable energy productionKiitam, Ivar; Taklaja, Paul; Niitsoo, Jaan; Hyvonen, Petri2015 IEEE 5th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG) : proceedings : May 11-13, 2015, Riga, Latvia2015 / p. 220-224 : ill Full soft-switching high step-up current-fed DC-DC converters with reduced conduction lossesKosenko, Roman; Husev, Oleksandr; Chub, Andrii2015 IEEE 5th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG) : proceedings : May 11-13, 2015, Riga, Latvia2015 / p. 170-175 : ill http://dx.doi.org/10.1109/PowerEng.2015.7266313