Hi, I have a question about using current constraints in my OPF.

I did it using the OPF FLOW LIMIT assigned to 2.

First, I want to be sure to understand how the constraints work, if the OPF 
does not find a solution that meets the requirements, it will not converge, is 
this right?

Then, I have a second question, how can I define a constraint on the current 
and put a cost on it?

Actually what I want to try to do is the following:

1. I want my opf to find a solution respecting the current constraints, and if 
it does, the cost related to it will be zero


2. If my opf does not find a solution that respects the current constraints, I 
still want that it gives me an answer, but I want it to have a very high cost

Is it possible to do that? SHould I implemented the current constraints using 
the "user-defined constraints"?

Thank you for your help,


Gamze Dogan                                       

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