Yes, this is an Optimal Power Flow, with a specific objective function and 
specific bounds on the optimization variables.

     Ray


> On Aug 4, 2017, at 8:41 AM, Ehsan Hejri <[email protected]> wrote:
> 
> Hi Dear Community,
> 
> I have a strange question about OPF. 
> 
> If I use a solver like fmincon with Interior Point algorithm in MATLAB 
> optimization toolbox to solve runpf('case30') with objective of loss 
> minimization (Pgen_total  - Pdemand_total ) and considering Pg in all 
> PV-buses as control variables, can we call this funny method OPF? 
> 
> It is converged surprisingly! 
> 
> It is like, you run so many PF to find the best one. It is time consuming but 
> changing objective function is easier.  
> 
> Best Wishes,
> Ehsan



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