function ds = case69() % Z. Ghofrani-Jahromi, Z. Mahmoodzadeh and M. Ehsan, "Distribution Loss % Allocation for Radial Systems Including DGs," in IEEE Transactions on Power % Delivery, vol. 29, no. 1, pp. 72-80, Feb. 2014. % doi: 10.1109/TPWRD.2013.2277717 ds.Uslack = 1; ds.Ubase = 12.66; % Base voltage, line-to-line (kV) ds.Sbase = 1; % Base power (MVA) ds.branch = [ % From To R(Ohms) X(Ohms) B(uS) P(kW) Q(kvar) Qc(kvar) 1 2 0.0005 0.0012 0 0.0 0.0 0 2 3 0.0005 0.0012 0 0.0 0.0 0 3 4 0.0015 0.0036 0 0.0 0.0 0 4 5 0.0251 0.0294 0 0.0 0.0 0 5 6 0.3660 0.1864 0 20.6 12.2 0 6 7 0.381 0.1941 0 40.4 30.0 0 7 8 0.0922 0.0470 0 75.0 54.0 0 8 9 0.0493 0.0251 0 30.0 22.0 0 9 10 0.8190 0.2707 0 28.0 19.0 0 10 11 0.1872 0.0619 0 145.0 104.0 0 11 12 0.7114 0.2351 0 145.0 104.0 0 12 13 1.0300 0.3400 0 81.0 52.0 0 13 14 1.0440 0.3450 0 93.0 72.0 0 14 15 1.0580 0.3496 0 71.0 52.0 0 15 16 0.1966 0.0650 0 5.5 2.0 0 16 17 0.3744 0.1238 0 21.0 15.0 0 17 18 0.0047 0.0016 0 14.0 10.4 0 18 19 0.3276 0.1083 0 0.0 0.0 0 19 20 0.2106 0.069 0 1.0 0.6 0 20 21 0.3416 0.1129 0 0.0 0.0 0 21 22 0.0140 0.0046 0 56.0 31.5 0 22 23 0.1591 0.0526 0 64.0 52.5 0 23 24 0.3463 0.1145 0 28.0 20.0 0 24 25 0.7488 0.2475 0 33.3 23.4 0 25 26 0.3089 0.1021 0 44.0 30.0 0 26 27 0.1732 0.0572 0 44.0 30.0 0 3 28 0.0044 0.0108 0 26.0 18.6 0 28 29 0.0640 0.1565 0 26.0 18.0 0 29 30 0.3978 0.1315 0 20.3 12.7 0 30 31 0.0702 0.0232 0 35.0 33.0 0 31 32 0.3510 0.1160 0 65.0 52.0 0 32 33 0.8390 0.2816 0 75.0 51.0 0 33 34 1.7080 0.5646 0 31.0 24.5 0 34 35 1.4740 0.4873 0 31.0 24.0 0 3 36 0.0044 0.0108 0 26.0 18.55 0 36 37 0.0640 0.1565 0 26.0 18.55 0 37 38 0.1053 0.1230 0 35.6 22.4 0 38 39 0.0304 0.0355 0 105.0 87.0 0 39 40 0.0018 0.0021 0 93.0 72.0 0 40 41 0.7283 0.8509 0 139.22 96.3 0 41 42 0.3100 0.3623 0 71.0 66.0 0 42 43 0.0410 0.0478 0 25.0 13.3 0 43 44 0.0092 0.0116 0 54.0 43.7 0 44 45 0.1089 0.1373 0 39.0 26.0 0 45 46 0.0009 0.0012 0 1.2 1.0 0 4 47 0.0034 0.0084 0 51.0 43.5 0 47 48 0.0851 0.2083 0 79.0 56.4 0 48 49 0.2898 0.7091 0 284.7 174.5 0 49 50 0.0822 0.2011 0 284.7 174.5 0 8 51 0.0928 0.0473 0 40.5 28.3 0 51 52 0.3319 0.1114 0 26.6 12.7 0 9 53 0.1740 0.0886 0 87.35 63.5 0 53 54 0.2030 0.1034 0 96.4 79.0 0 54 55 0.2842 0.1447 0 24.0 17.2 0 55 56 0.2813 0.1433 0 125.0 85.9 0 56 57 1.5900 0.5337 0 100.0 72.0 0 57 58 0.7837 0.2630 0 12.0 7.5 0 58 59 0.3042 0.1006 0 29.5 20.0 0 59 60 0.3861 0.1172 0 51.97 43.2 0 60 61 0.5075 0.2585 0 44.0 28.0 0 61 62 0.0974 0.0496 0 32.0 23.0 0 62 63 0.1450 0.0738 0 13.6 9.7 0 63 64 0.7105 0.3619 0 27.0 12.0 0 64 65 1.0410 0.5302 0 59.0 42.0 0 11 66 0.2012 0.0611 0 18.0 13.0 0 66 67 0.0047 0.0014 0 18.0 13.0 0 12 68 0.7394 0.2444 0 28.0 20.0 0 68 69 0.0047 0.0016 0 28.0 20.0 0 ]; ds.gen = [ % Bus P(kW) Q(kvar) U(pu) Type (1-PQ, 2-PU) 11 500 220 1.00 1 22 100 44 1.00 1 31 200 88 1.00 1 38 1000 440 1.00 1 53 300 132 1.00 1 58 400 176 1.00 1 ];