I’ve just made some changes to the dev version to handle this situation
gracefully. It now prints out a messages telling you that your base and target
cases are identical and returns after 0 iterations, rather than getting stuck
in an infinite loop.
Ray
> On Jan 15, 2015, at 5:25 PM, Abhyankar, Shrirang G. <abhy...@mcs.anl.gov>
> wrote:
>
> Arun,
> You have the same generation/load for both the base (mpcb) and target
> (mpct) cases. What are you seeing is that runcpf is solving the base case
> over and over again since there is zero power transfer. Use different
> generation/load for mpcb and mpct and run the continuation power flow again.
> See the MATPOWER User's Manual
> <http://www.pserc.cornell.edu//matpower/manual.pdf> for a CPF example on a
> test 9-bus case.
>
> Shri
>
> From: arun s nair <arunsnair...@gmail.com <mailto:arunsnair...@gmail.com>>
> Reply-To: MATPOWER discussion forum <matpowe...@list.cornell.edu
> <mailto:matpowe...@list.cornell.edu>>
> Date: Thu, 15 Jan 2015 13:02:57 -0700
> To: <MATPOWER-L@cornell.edu <mailto:MATPOWER-L@cornell.edu>>
> Subject: Matpower- Continuation Power Flow
>
> Hi All
>
> I am trying to use matpower to evaluate IEEE 39 bus system and I tried to run
> an example code for runcpf (Continuation Power Flow)
>
> define_constants;
> mpopt = mpoption('out.all',0,'verbose',2);
> mpopt = mpoption('cpf.stop_at','nose','cpf.step',0.2);
> mpopt = mpoption(mpopt,'cpf.plot.level',2);
> mpcb = loadcase(t_case9_pfv2); % load base case
> mpct = mpcb; % set up target case with
> mpct.gen(:, [PG QG]) = mpcb.gen(:, [PG QG])
> mpct.bus(2,[PD]) = mpcb.bus(2, [PD])
> results = runcpf(mpcb, mpct, mpopt);
> results.cpf
>
> The program is keep on running and is not converging. Can anybody please help
> on this.
>
> If anyone can send me a running example for runcpf of matpower , it will be
> of great help and if anybody has worked on IEEE 39 bus using runcpf, please
> let me know
>
>
> Thanking you all in advance.
>
> Regards
>
> Arun Nair
>
>
