Many thanks. I wish this can help me.
On Fri, 17 Jan 2020 at 20:18, Ray Daniel Zimmerman <r...@cornell.edu> wrote:
> Here’s an example, where gencost is set to minimize losses, and the
> legacy user costs are set to a quadratic cost on all voltage deviations
> from 1, where w is a weight that controls the relative importance of the
> two objectives.
>
> Ray
>
>
> define_constants;
> w = 10;
> mpopt = mpoption('verbose', 2);
> mpc = loadcase('case9');
>
> % set uniform linear cost to minimize losses
> mpc.gencost(:, NCOST) = 2;
> mpc.gencost(:, COST) = 1;
> mpc.gencost(:, COST+1:end) = 0;
>
> nb = size(mpc.bus, 1);
> ng = size(mpc.gen, 1);
> mpc.N = sparse(1:nb, nb+1:2*nb, 1, nb, 2*nb+2*ng);
> mpc.fparm = ones(nb, 1) * [2 1 0 1];
> mpc.Cw = w * ones(nb, 1);
>
> r = runopf(mpc, mpopt);
>
>
>
>
> On Jan 15, 2020, at 2:14 AM, AKHILESH IIT BHU <
> akhileshkb.rs.ee...@itbhu.ac.in> wrote:
>
> Can I get some examples of references to solve this problem? I have used
> optimization techniques to solve loss minimization using as DG real power
> as injected negative load with variable location.
>
>
>
>
> *Regards:*
>
> *Akhilesh Kumar Barnwal*
> Research Scholar
> IIT-BHU, Varanasi
> Contact: +91-75001 86505
>
>
> On Wed, Jan 15, 2020 at 5:11 AM Ray Daniel Zimmerman <r...@cornell.edu>
> wrote:
>
>> The OPF in the current MATPOWER does not include transformer taps or
>> switched shunt settings as control variables. You can minimize power losses
>> by setting all of the generator active power costs to an identical
>> constant. If you want to combine that with some voltage deviation
>> minimization, I think you should be able to do that using the (legacy)
>> user-defined costs described in Section 6.3.3 and 7.1.3.
>>
>> Ray
>>
>> On Jan 10, 2020, at 2:45 PM, Mohamed Shaheen <
>> mohamed.shaheen9...@gmail.com> wrote:
>>
>> The objective is to minimize power losses and voltage deviation.
>> The control variables are 1- generators' voltages, 2- transformer tap
>> settings, 3- injected Q by shunt capacitor.
>> The paper in the attached link describes the problem.
>>
>> https://ieeexplore.ieee.org/document/8911388
>>
>> Thanks
>> ᐧ
>>
>> On Fri, 10 Jan 2020 at 22:29, Fahmid Mahmud - 1402042 <
>> mahmudfah...@gmail.com> wrote:
>>
>>> Hello M. Shaheen,
>>> Please be more descriptive about your inquiry.
>>>
>>> Thank you.
>>>
>>>
>>> On Sat, Jan 11, 2020 at 2:26 AM Mohamed Shaheen <
>>> mohamed.shaheen9...@gmail.com> wrote:
>>>
>>>> Dear all,
>>>>
>>>> Can anyone help me solve optimal reactive power dispatch using matpower?
>>>>
>>>> Thanks,
>>>> M. Shaheen
>>>> MSc. student at Ain Shams University.
>>>> ᐧ
>>>>
>>>
>>>
>>> --
>>> Sincerely yours,
>>> Fahmid Mahmud
>>> Department of Electrical & Electronic Engineering (EEE)
>>> Chittagong University of Engineering & Technology (CUET)
>>> Chittagong-4349, Bangladesh.
>>> Contact: +880 1768221595
>>> Email: u1402...@student.cuet.ac.bd or mahmudfah...@gmail.com
>>>
>>
>>
>
