Generation = load + losses

Load is constant.

Therefore the only way to minimize losses is to minimize total generation.

If you give all generation an equal cost, then minimizing total cost is the 
same as minimizing generation, which minimizes losses.

-- 
Ray Zimmerman
Senior Research Associate
B30 Warren Hall, Cornell University, Ithaca, NY 14853
phone: (607) 255-9645



On Jan 13, 2014, at 10:09 AM, Carlos Gonzalez Almeida 
<[email protected]> wrote:

> ​Yes. But I do not understand why? I do not understand conceptually.
> 
> Thanks​
> 
> Best Wishes
> 
> 
> 
> 
> On Mon, Jan 13, 2014 at 3:03 PM, Ray Zimmerman <[email protected]> wrote:
> Really?
> 
> http://www.mail-archive.com/[email protected]/msg01261.html
> 
> (note the name of the person asking the question)
> 
> What’s up with that?
> 
> -- 
> Ray Zimmerman
> Senior Research Associate
> B30 Warren Hall, Cornell University, Ithaca, NY 14853
> phone: (607) 255-9645
> 
> 
> 
> On Jan 13, 2014, at 5:23 AM, Carlos Gonzalez Almeida 
> <[email protected]> wrote:
> 
>> Dear Dr. Zimmerman,
>> 
>> Could please let know according to the below post  how " cost minimization 
>> is equivalent to loss minimization"? Could you please explain?
>> 
>> 
>> Best Wishes
>> 
>> 
>> 
>> 
>> ---------- Forwarded message ----------
>> From: Ray Zimmerman <[email protected]>
>> Date: Wed, May 4, 2011 at 3:17 PM
>> Subject: Re: Question about objective function
>> To: Dailan Xu <[email protected]>
>> 
>> 
>> The purpose of runmarket is to implement a standard auction market such as 
>> those used by the typical ISO. The objective of minimization of cost or 
>> maximization of social welfare is consistent with such markets.
>> 
>> Now, if you want to minimize losses using runmarket, simply put in equal 
>> offer prices for all generators. Then cost minimization is equivalent to 
>> loss minimization.
>> 
>> --
>> Ray Zimmerman
>> Senior Research Associate
>> 211 Warren Hall, Cornell University, Ithaca, NY 14853
>> phone: (607) 255-9645
>> 
>> 
>> 
>> On May 4, 2011, at 8:15 AM, Dailan Xu wrote:
>> 
>> > Dear Prof. Zimmerman
>> >
>> > Could you please let me know why in the runmarket you have chosen the 
>> > objective function as minimization of cost or maximization social welfare? 
>> > what is the reason?
>> >
>> > For example, why you haven't chosen loss or other objectives?
>> >
>> > Best Regards
>> >
>> > D. Xu
>> >
>> 
>> 
> 
> 

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