Symmetry in the narrow sense: on the linearity and time-invariance of DQ0 modelsSegev, Elior; Ofir, Ron; Belikov, Juri; Levron, YoashIEEE Transactions on Power Systems2023 / p. 1751-1754 https://doi.org/10.1109/TPWRS.2022.3229873 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS