I have modified demo power_wind_dfig model . As i remove fault no prob. Bt as i remove 2 MVA plant or DFIG protection block , Initail State vector X0 must be a real vector of length xx error comes. With every modification xx changes. Pls help

As i remove 2 MVA plant xx=57 shows and as i remove protection xx=67 shows. Pls help how to solve this issue.

Answer 1

[A Jenkins]

The initial state vector X0 contains the states of all the components in the model to allow the simulation to start from a "stable" state. Since you have removed components, there are a different number of states and your vector is no longer the right size.

I'm not familiar with that model so I do not know how it creates initial states, but try this first:

1) Go to Configuration Parameters->Data Import/Export.

2) Deselect "Initial State" and rerun your model.

3) If "Final States" was selected, a new X will be created after the simulation which contains the final state of your model. If desired, you can reselect "Initial State" with this new X vector to start your model from this condition on the next iteration.