Dear Mr. Petr,
Did you publish any paper on islanding using Matpower? If yes, can you please provide me with this paper. My emails are: [email protected] [email protected] Best regards, Haneen ----- Original Message ----- From: Ray Zimmerman <[email protected]> Date: Thursday, March 6, 2014 6:54 am Subject: Re: Case of islanding. (continuing) To: MATPOWER discussion forum <[email protected]> Cc: MATPOWER Discussion List <[email protected]> > Sorry I was not able to respond sooner. But, yes, when you create islands, > the generation in each island must be able to supply all of the load in the > island, otherwise, you have to set the whole island to isolated buses > (essentially blacked out). > > Ray > > -- > Ray Zimmerman > Senior Research Associate > B30 Warren Hall, Cornell University, Ithaca, NY 14853 > phone: (607) 255-9645 > > > > On Mar 5, 2014, at 6:22 PM, Petr Kaplunovich <[email protected]> wrote:> > Seems like i found the problem. If multiple buses are separated in island and > there is no generators among them, then one should set all of them as > isolated buses (mpc.bus(:,2)=4), instead of specifying one of them as a > reference bus. > > > On Tue, Mar 4, 2014 at 12:31 AM, Petr Kaplunovich <[email protected]> wrote: > I forgot to mention that I am running DC power flow function. > mpopt = mpoption('OUT_ALL',0,'VERBOSE',0,'PF_DC',1); > [mpc_out, success] = runpf(mpc,mpopt); > > > On Tue, Mar 4, 2014 at 12:27 AM, Petr Kaplunovich <[email protected]> wrote: > Hi, > I recently asked a question about islanding - how to make power flow > functions work on such cases. Shri told me that I should determine isolated > buses and set a reference bus for each island. I was doing exactly that and > had no problems until I started running contingency analysis and faced this > problem again. Now I have multiple cases for which RUNPF function does not > converge. I am struggling with this problem for almost week and have tried > everything. I am setting bus types correctly and have a reference bus for > each island. > > I would be incredibly grateful if somebody could suggest me where the issue > may hide. > I am also attaching a link to one of cases I am having troubles with in case > it can be helpful (the file contains the case and a vector of bus areas (9 > islands 7 of which a isolated buses)): > > https://www.dropbox.com/s/plmnk09qrv4dww0/problematic_case.m > > Thank you!> ~Petr > > >
