sir my system is not converging while performing opf and dcopf , what should i check in my program. Plz help me
On Sun, Jun 26, 2016 at 5:53 AM, anshu dahiya <[email protected]> wrote: > the problem is still as it was. my 84 bus system is still not converging > after applying all steps directed by the Dr. Ray Zimmerman . can anyone > help me to make the system converge. i am attaching my file > > On Fri, Jun 24, 2016 at 6:24 PM, Ray Zimmerman <[email protected]> wrote: > >> See FAQ #5 <http://www.pserc.cornell.edu/matpower/#pfconvergence>. >> >> Ray >> >> >> On Jun 24, 2016, at 3:42 AM, anshu dahiya <[email protected]> >> wrote: >> >> my 84 bus system is not converging into 10 iteration. what should i take >> steps to make it converge. >> >> On Thu, Jun 23, 2016 at 8:43 PM, Ray Zimmerman <[email protected]> wrote: >> >>> Whenever you have a problem with a case file, the first thing to do is >>> always run case_info() >>> <http://www.pserc.cornell.edu/matpower/docs/ref/matpower6.0b1/case_info.html> >>> to >>> check for errors in the connectivity information … >>> >>> >> case_info('casem84') >>> Bad bus numbers: 1 >>> bus(1, BUS_I) = 0 >>> >>> Turns out that bus numbers must be positive integers, as stated in >>> caseformat >>> <http://www.pserc.cornell.edu/matpower/docs/ref/matpower6.0b1/caseformat.html> >>> . >>> >>> Ray >>> >>> >>> >>> On Jun 23, 2016, at 1:59 AM, anshu dahiya <[email protected]> >>> wrote: >>> >>> sir how to solve the following error in matpower which comes in the >>> case84 which i have attached >>> Error using sparse >>> Index into matrix must be positive. >>> >>> Error in ext2int (line 141) >>> n2i = sparse(mpc.bus(:, BUS_I), ones(nb, 1), 1:nb, >>> max(mpc.bus(:, BUS_I)), 1); >>> >>> Error in runpf (line 111) >>> mpc = ext2int(mpc); >>> >>> On Wed, Jun 22, 2016 at 6:59 PM, Ray Zimmerman <[email protected]> wrote: >>> >>>> Assuming this is for a power flow problem, you still have to decide >>>> whether the bus is voltage controlled or not. If so, make it a PV bus. If >>>> not, and the DG simply injects a fixed amount of power without controlling >>>> voltage, then make it a PQ bus. >>>> >>>> Ray >>>> >>>> >>>> >>>> > On Jun 22, 2016, at 1:27 AM, anshu dahiya <[email protected]> >>>> wrote: >>>> > >>>> > how to nominate DG bus which has load as well as generation >>>> > the nomenclature in the matpower as below >>>> > 1= PQ bus >>>> > 2= PV bus >>>> > 3= reference bus >>>> > 4= isolated bus >>>> > i have attached my file plz take a look of it. suggest me solution. >>>> > <casem84.m> >>>> >>>> >>>> >>>> >>> <casem84.m> >>> >>> >>> >> >> >
