Hi I want to get values of Lambda($/MVA-h) in distribution network, what software you know that is right for me?
On Tue, Jul 1, 2014 at 10:06 AM, Abhyankar, Shrirang G. <[email protected] > wrote: > As I mentioned before, OPF with a single source will NOT converge once > any limits are encountered. I don't think the divergence issue is with > non-comvexity of the cost function but it is rather due to inability to > meet the operating limits. (in particular the voltage magnitude limits) > > For future emails, please send any and all errors that you see in the > command window and the commands that you used. > > Shri > > On Jun 30, 2014, at 9:40 AM, "Fereshteh Moghateli" <[email protected]> > wrote: > > system with pf is converge, but when i define cost function, it dosn't > converge. how should i know this function is convex? > > > On Mon, Jun 30, 2014 at 6:28 AM, Uriel Fernando Sandoval Pérez < > [email protected]> wrote: > >> Is it convex your cost function? The system converges with "pf"? >> >> El lunes, 30 de junio de 2014, Fereshteh Moghateli <[email protected]> >> escribió: >> >> excuse me, I have another question , I *have to* run opf from a 56 node >>> distribution feeder that there isn't any generator or DG. then I >>> define mpc.gen only for node1(ref node) and define a cost function with one >>> row for this node. but I don’t know why opf dosn’t converge? Is the problem >>> coefficients of quadratic equation? If yes, how much is range of this >>> coefficient in distribution feeder? >>> >>> >>> On Mon, Jun 30, 2014 at 5:51 AM, Fereshteh Moghateli < >>> [email protected]> wrote: >>> >>>> no matter, i can run opf with newton's method. >>>> >>>> >>>> On Mon, Jun 30, 2014 at 3:25 AM, Abhyankar, Shrirang G. < >>>> [email protected]> wrote: >>>> >>>>> PF_MAX_IT_FD option sets the number of iterations for the 'fast >>>>> decoupled' algorithm. Are you setting the PF_ALG option to select the fast >>>>> decoupled AC power flow? >>>>> >>>>> Shri >>>>> >>>>> > On Jun 29, 2014, at 12:37 PM, "Fereshteh Moghateli" < >>>>> [email protected]> wrote: >>>>> > >>>>> > hi >>>>> > how can increase number of iteration in matpower?when i use >>>>> ''PF_MAX_IT_FD'' , number of iterations don't change. >>>>> >>>>> >>>>> >>>> >>> >> >> -- >> Enviado desde un dispositivo móvil. >> > >
