%0 Journal Article %A V. A. Khramenkov %T On the conditions for safe connection to hub-cluster power grids %J Izvestiya VUZ. Applied Nonlinear Dynamics %D 2022 %P 424-435 %V 30 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVP_2022_30_4_a3/ %G ru %F IVP_2022_30_4_a3