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. >
