Have you tried using the voltages of one of the solved cases as a starting point for your original case that isn’t converging?
Ray > On Oct 20, 2014, at 9:48 AM, Simone Cochi <[email protected]> wrote: > > Dear all, > I trying to run a lf on a MV network. I treat all the transformers as > simple branch. If I use the whole case file the load flow doesn't > converge, instead if I remove the first branch, that is the HV/MV > transformer, and put the slack bus on bus 2 (MV busbar of the > substation), the load flow converge. Also if I decrease the > transformer impedance of 10 the load flow does converge. The > transformer is a 25 MVA machine with a short circuit voltage of 14,6% > circa. The case file is attached if someone want to check. > <mpc.mat>
