This property sets/gets the maximum per unit voltage for which the MODEL is assumed to apply. Above this value, the load model reverts to a constant impedance model. Default = 1.05. 


% Create DSS object

DSSObject = actxserver('OpenDSSEngine.DSS')

if ~DSSObject.Start(0),

                    disp('Unable to start openDSS');



DSSText = DSSObject.Text;

DSSCircuit = DSSObject.ActiveCircuit;

% Compile a model        

DSSText.Command = 'Compile C:\myPath\myModel.dss';

DSSLoads = DSSCircuit.Loads;

% activates the first load on the list

i = DSSLoads.First;

% sets the max voltage pu to 1.1 for the active load

DSSLoads.Vmaxpu = 1.1;