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When REPCA model has modelled using Kc=RC=Xc=0, in order to determinate the grid strength dQ/dV is used. Nevertheless, if kc=0.05 (for example), does it limits the Q for V increases? What MVA should be used at slack bus? For calculating new volateg reference at VAR(L) I use Vref'=VAR(L)*Vlf'/Vlf. If instead of reactive power droop, there is line drop compensation (Rc=0,0005 and Xc=0,0044) which MVA should be use at slack bus and is Vref' (VAR(L)) calculated as in reactive power droop? Thanks in advance.