Analysis of traditional and alternative methods for solving voltage problems in low voltage grids : an Estonian case studyRosin, Argo; Drovtar, Imre; Mõlder, Heigo; Haabel, Kaija; Astapov, Victor; Vinnal, Toomas; Korõtko, TarmoEnergies2022 / art. 1104 https://doi.org/10.3390/en15031104 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS