Ploumpidou, E.; Romme, S.; Gibescu, M.; Bronswijk, A.; Stokman, H.; van Willigenburg, P.; Paulus, W. Transition towards DC Micro Grids: From an AC to a Hybrid AC and DC Energy Infrastructure. SPOOL 2017, 4 (2), 79-84. https://doi.org/10.7480/spool.2017.2.1934.