Mini Review Published on 28 Feb 2020 Challenges for Protection of Future HVDC Grids in Sustainable Energy Systems MarĂa JosĂ© PĂ©rez-MolinaD. Marene LarruskainPablo EguĂa LĂłpezGarikoitz Buigues Frontiers in Energy Research doi 10.3389/fenrg.2020.00033 13,544 views 30 citations