Re: Warning: Matrix is singular to working precision

[Carlos E Murillo-Sanchez]

Actually, the capacitive susceptance seems to be way too high (at least an order of magnitude, perhaps even more considering it is an MV network) for the given R and X. Carlos. Marco Barbetta wrote: Yes, i report a little part of mpc.branch (F_BUS , T_BUS , BR_R , BR_X , BR_B): 1 605 0,0162000000000000 0,00930000000000000 0,157600000000000 1 76 0,000800000000000000 0,000600000000000000 0,0880000000000000 1 196 0,00240000000000000 0,00260000000000000 0,158200000000000 1 375 0,00570000000000000 0,00910000000000000 0,0993000000000000 1 5 0,000300000000000000 0,000300000000000000 0,0385000000000000 1 62 0,00150000000000000 0,000900000000000000 0,128200000000000 1 9 0,00520000000000000 0,00150000000000000 0,131400000000000 9 12 0,00420000000000000 0,00110000000000000 0,0822000000000000 9 16 0,00370000000000000 0,000700000000000000 0,0465000000000000 16 19 0,00370000000000000 0,000700000000000000 0,0465000000000000 19 58 0,00220000000000000 0,000600000000000000 0,0438000000000000 19 22 0,00330000000000000 0,000600000000000000 0,0418000000000000 22 54 0,00350000000000000 0,000900000000000000 0,0685000000000000 22 25 0,00690000000000000 0,00190000000000000 0,163100000000000 25 31 0,000100000000000000 0,000100000000000000 0,00300000000000000 25 28 0,0126000000000000 0,00250000000000000 0,160400000000000 31 34 0,000100000000000000 0,000100000000000000 0,00300000000000000 34 37 0,00810000000000000 0,00230000000000000 0,192800000000000 34 50 0,00250000000000000 0,000700000000000000 0,0493000000000000 37 46 0,00560000000000000 0,00140000000000000 0,109600000000000 Values seem to be "normal"...