This is not a version 2 format. Version 2 format is a struct. You might try using savecase() to generate a valid version 2 case file. Then edit it with your own values.
-- Ray Zimmerman Senior Research Associate B30 Warren Hall, Cornell University, Ithaca, NY 14853 phone: (607) 255-9645 On Jun 20, 2013, at 3:34 AM, Cédric Josz <cedric.j...@gmail.com> wrote: > Hello Ray : > > I don't seem to be able to resolve the issue on my own so here is an M-file > containing the data. > > Thanks a lot for your help. > > Enjoy your break. > Cédric > On Sat, Jun 15, 2013 at 6:06 PM, Ray Zimmerman <r...@cornell.edu> wrote: > If you are unable to resolve the issue on your own, feel free to send me a > case file (I prefer an M-file … just use savecase() to save it) and maybe I > can have a look (in a few weeks when I'm back from some time off). > > -- > Ray Zimmerman > Senior Research Associate > B30 Warren Hall, Cornell University, Ithaca, NY 14853 > phone: (607) 255-9645 > > > > > > On Jun 14, 2013, at 5:17 AM, Cédric Josz <cedric.j...@gmail.com> wrote: > >> Hi Ray, >> >> I'm getting back to you on an issue I was experiencing earlier with setting >> branch angle difference limits when running runopf. >> >> I was using the old version format for case files so I converted my data to >> .mat files (version 2) as you suggested. >> >> Yet runopf still ignores branch angle difference limits, however tight I >> make them. >> >> I've highlighted the bound I wish to impose below : >> >> s = >> baseMVA: 100 >> bus: [4x13 double] >> gen: [3x10 double] >> branch: [4x13 double] >> areas: [1 1] >> gencost: [3x7 double] >> >> >> s.baseMVA >> ans = >> 100 >> >> >> s.bus >> ans = >> Columns 1 through 7 >> 1.0000 3.0000 0 0 0 0 1.0000 >> 2.0000 2.0000 0 0 0 0 1.0000 >> 3.0000 1.0000 1.6300 0.1600 0 0 1.0000 >> 4.0000 2.0000 0 0 0 0 1.0000 >> Columns 8 through 13 >> 1.0000 0 230.0000 1.0000 1.1000 0.9500 >> 1.0000 0 230.0000 1.0000 1.1000 0.9500 >> 1.0000 0 230.0000 1.0000 1.1000 0.9500 >> 1.0000 0 230.0000 1.0000 1.1000 0.9500 >> >> >> s.gen >> ans = >> Columns 1 through 7 >> 1.0000 0 0 10.0000 -10.0000 1.1000 100.0000 >> 2.0000 0 0 10.0000 -10.0000 1.1000 100.0000 >> 4.0000 0 0 0 -5.0000 1.1000 100.0000 >> Columns 8 through 10 >> 1.0000 10.0000 -10.0000 >> 1.0000 10.0000 -10.0000 >> 1.0000 0 -10.0000 >> >> >> s.branch >> ans = >> Columns 1 through 7 >> 1.0000 3.0000 1.5000 15.7000 0.0002 250.0000 250.0000 >> 1.0000 4.0000 1.5000 15.7000 0.0002 250.0000 250.0000 >> 2.0000 3.0000 12.0000 125.6000 0.0014 250.0000 250.0000 >> 3.0000 4.0000 3.0000 31.4000 0.0004 0.2600 250.0000 >> Columns 8 through 13 >> 250.0000 0 0 1.0000 0 1.0000 >> 250.0000 0 0 1.0000 0 1.0000 >> 250.0000 0 0 1.0000 0 1.0000 >> 250.0000 0 0 1.0000 0 0.1000 >> >> >> s.areas >> ans = >> 1 1 >> >> >> s.gencost >> ans = >> 2 0 0 3 0 1 0 >> 2 0 0 3 0 1 0 >> 2 0 0 3 0 0 0 >> >> Thanks for you help. >> >> Cédric >> On Wed, Apr 24, 2013 at 3:01 PM, Ray Zimmerman <r...@cornell.edu> wrote: >> The issue is that you are defining your case in the version 1 format for >> MATPOWER case files, but you are adding columns (ANGMIN and ANGMAX) that are >> only available in the version 2 format, so they are not being read, but are >> being set to the default (unconstrained) values. >> >> Simply convert your case file to version 2 format and it should work. >> >> -- >> Ray Zimmerman >> Senior Research Associate >> 419A Warren Hall, Cornell University, Ithaca, NY 14853 >> phone: (607) 255-9645 >> >> >> >> >> On Apr 23, 2013, at 12:55 PM, Cédric Josz <cedric.j...@gmail.com> wrote: >> >>> Ray, thank you for getting back to me so quickly. >>> You shouldn't have to do anything besides specify the angle limits. Are you >>> saying that you have specified ANGMIN and ANGMAX (in degrees) and the OPF >>> converges successfully, but the angles violate the specified limits? And >>> you didn't set the OPF_IGNORE_ANG_LIM option? >>> >>> Yes that is what I am saying. >>> >>> >>> If so, can you send me the case off-list so I can confirm. It could be a >>> bug. >>> >>> Ok I'll send it to you. >>> >>> Thanks for your time. >>> >>> Cédric >>> >>> >>> --Ray >>> >>> >>> On Apr 23, 2013, at 10:24 AM, Cédric Josz <cedric.j...@gmail.com> wrote: >>> >>>> Hi, >>>> >>>> I would like to run an OPF with branch angle difference limits, which is >>>> possible according to Matpower's 2011 manual (section 5.4.4 : Optimal >>>> power flow / standard extensions / branch angle difference limits ). >>>> >>>> However, the program "runopf" doesn't take them into account when I run it >>>> on a data file on which I've specified "angmin" and "angmax" in the branch >>>> matrix. >>>> >>>> How must one proceed to specify such constraints ? >>>> >>>> Thanks in advance for your help. >>>> >>>> Cédric Josz >>>> PhD student at Paris 6 University >>> >> >> > > > <test.m>
