Problem with three-phase programmable voltage source

Hey everybody,

In the three Phase programmable voltage source there is the load flow tab. There you can set an active power generation.

But my problem is that if I set the value to for example 8000 W, nothing happens in my model.

Can somebody explain to me, what this active power generation is used for and how I can see the results of it?

I would like to have a continious power flow with a certain value. So I thought the active power generation would achieve that.

Do you maybe have other Ideas how to implement a three phase continious power source?

Many thanks,

Benedikt