Sorry, I should have mentioned that the MIPS solver in MATPOWER is essentially
a Matlab language implementation of the MEX based PDIPM.
Ray
> On Jul 26, 2019, at 4:14 PM, Ray Zimmerman <[email protected]> wrote:
>
> The particular reason a specific numerical algorithm fails for a given
> problem is not always easy to determine.
>
> On this problem, you can try turning on the mips.step_control option. That
> seems to work for me.
>
> Ray
>
>
>> On Jul 18, 2019, at 10:59 AM, Aamir Nawaz <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>> Dear Researchers,
>>
>> I have tried to execute the following and error comes. Can anyone explain
>> why algorithm like PDIPM fails to solve this large system? However, i have
>> solved it using evolutionary algorithm and it is converged. Is there any
>> limit of number of dimensions for PDIPM or others? If no, then suggest me
>> how i can solve it or suggest any other algorithm like SDPOPF etc. I waiting
>> for your kind reply.
>>
>> runopf(case13659pegase)
>> MATPOWER Version 6.0, 16-Dec-2016 -- AC Optimal Power Flow
>> PDIPMOPF Version 4.1, Build 18, 11-Nov-2011
>> Copyright (c) 2007-2011 by Power System Engineering Research Center (PSERC)
>>
>> >>>>> Did NOT converge (4.42 seconds) <<<<<
>>
>> --
>>
>> Regards,
>> Aamir Nawaz.
>
