For a standard OPF, this is the total cost of generation. If all loads are 
dispatchable, it is the generation cost minus the benefit to the loads (i.e. 
the negative of the social welfare).

-- 
Ray Zimmerman
Senior Research Associate
419A Warren Hall, Cornell University, Ithaca, NY 14853
phone: (607) 255-9645




On May 19, 2013, at 11:06 AM, Aman Bansal <elec.amanban...@gmail.com> wrote:

> Hi all
> 
> For every time I run OPF for different problems, there appear a particular 
> objective function value in $/hr
> 
> What is signifies actually?
> 
> -- 
> Aman Bansal,
> M.Tech. Student (Power Systems)
> Indian Institute of Technology (BHU)
> Varanasi
> Cell No. +91-841-799-9350
> 
> *The smallest good deed is better than the grandest good intention*

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