1 #include "petscmat.h" 2 #include "power.h" 3 #include <string.h> 4 #include <ctype.h> 5 6 PetscErrorCode PFReadMatPowerData(PFDATA *pf, char *filename) { 7 FILE *fp; 8 VERTEX_Power Bus; 9 LOAD Load; 10 GEN Gen; 11 EDGE_Power Branch; 12 PetscInt line_counter = 0; 13 PetscInt bus_start_line = -1, bus_end_line = -1; /* xx_end_line points to the next line after the record ends */ 14 PetscInt gen_start_line = -1, gen_end_line = -1; 15 PetscInt br_start_line = -1, br_end_line = -1; 16 char line[MAXLINE]; 17 PetscInt loadi = 0, geni = 0, bri = 0, busi = 0, i, j; 18 int extbusnum, bustype_i; 19 double Pd, Qd; 20 PetscInt maxbusnum = -1, intbusnum, *busext2intmap, genj, loadj; 21 GEN newgen; 22 LOAD newload; 23 24 PetscFunctionBegin; 25 fp = fopen(filename, "r"); 26 /* Check for valid file */ 27 PetscCheck(fp, PETSC_COMM_SELF, PETSC_ERR_FILE_OPEN, "Can't open Matpower data file %s", filename); 28 pf->nload = 0; 29 while (fgets(line, MAXLINE, fp)) { 30 if (strstr(line, "mpc.bus = [")) bus_start_line = line_counter + 1; /* Bus data starts from next line */ 31 if (strstr(line, "mpc.gen") && gen_start_line == -1) gen_start_line = line_counter + 1; /* Generator data starts from next line */ 32 if (strstr(line, "mpc.branch")) br_start_line = line_counter + 1; /* Branch data starts from next line */ 33 if (strstr(line, "];")) { 34 if (bus_start_line != -1 && bus_end_line == -1) bus_end_line = line_counter; 35 if (gen_start_line != -1 && gen_end_line == -1) gen_end_line = line_counter; 36 if (br_start_line != -1 && br_end_line == -1) br_end_line = line_counter; 37 } 38 39 /* Count the number of pq loads */ 40 if (bus_start_line != -1 && line_counter >= bus_start_line && bus_end_line == -1) { 41 sscanf(line, "%d %d %lf %lf", &extbusnum, &bustype_i, &Pd, &Qd); 42 if (!((Pd == 0.0) && (Qd == 0.0))) pf->nload++; 43 if (extbusnum > maxbusnum) maxbusnum = extbusnum; 44 } 45 line_counter++; 46 } 47 fclose(fp); 48 49 pf->nbus = bus_end_line - bus_start_line; 50 pf->ngen = gen_end_line - gen_start_line; 51 pf->nbranch = br_end_line - br_start_line; 52 53 PetscCall(PetscCalloc1(pf->nbus, &pf->bus)); 54 PetscCall(PetscCalloc1(pf->ngen, &pf->gen)); 55 PetscCall(PetscCalloc1(pf->nload, &pf->load)); 56 PetscCall(PetscCalloc1(pf->nbranch, &pf->branch)); 57 Bus = pf->bus; 58 Gen = pf->gen; 59 Load = pf->load; 60 Branch = pf->branch; 61 62 /* Setting pf->sbase to 100 */ 63 pf->sbase = 100.0; 64 65 PetscCall(PetscMalloc1(maxbusnum + 1, &busext2intmap)); 66 for (i = 0; i < maxbusnum + 1; i++) busext2intmap[i] = -1; 67 68 fp = fopen(filename, "r"); 69 /* Reading data */ 70 for (i = 0; i < line_counter; i++) { 71 PetscCheck(fgets(line, MAXLINE, fp), PETSC_COMM_SELF, PETSC_ERR_SUP, "File is incorrectly formatted"); 72 73 if ((i >= bus_start_line) && (i < bus_end_line)) { 74 double gl, bl, vm, va, basekV; 75 int bus_i, ide, area; 76 /* Bus data */ 77 sscanf(line, "%d %d %lf %lf %lf %lf %d %lf %lf %lf", &bus_i, &ide, &Pd, &Qd, &gl, &bl, &area, &vm, &va, &basekV); 78 Bus[busi].bus_i = bus_i; 79 Bus[busi].ide = ide; 80 Bus[busi].area = area; 81 Bus[busi].gl = gl; 82 Bus[busi].bl = bl; 83 Bus[busi].vm = vm; 84 Bus[busi].va = va; 85 Bus[busi].basekV = basekV; 86 Bus[busi].internal_i = busi; 87 busext2intmap[Bus[busi].bus_i] = busi; 88 89 if (!((Pd == 0.0) && (Qd == 0.0))) { 90 Load[loadi].bus_i = Bus[busi].bus_i; 91 Load[loadi].status = 1; 92 Load[loadi].pl = Pd; 93 Load[loadi].ql = Qd; 94 Load[loadi].area = Bus[busi].area; 95 Load[loadi].internal_i = busi; 96 Bus[busi].lidx[Bus[busi].nload++] = loadi; 97 PetscCheck(Bus[busi].nload <= NLOAD_AT_BUS_MAX, PETSC_COMM_SELF, PETSC_ERR_SUP, "Exceeded maximum number of loads allowed at bus"); 98 loadi++; 99 } 100 busi++; 101 } 102 103 /* Read generator data */ 104 if (i >= gen_start_line && i < gen_end_line) { 105 double pg, qg, qt, qb, vs, mbase, pt, pb; 106 int bus_i, status; 107 sscanf(line, "%d %lf %lf %lf %lf %lf %lf %d %lf %lf", &bus_i, &pg, &qg, &qt, &qb, &vs, &mbase, &status, &pt, &pb); 108 Gen[geni].bus_i = bus_i; 109 Gen[geni].status = status; 110 Gen[geni].pg = pg; 111 Gen[geni].qg = qg; 112 Gen[geni].qt = qt; 113 Gen[geni].qb = qb; 114 Gen[geni].vs = vs; 115 Gen[geni].mbase = mbase; 116 Gen[geni].pt = pt; 117 Gen[geni].pb = pb; 118 119 intbusnum = busext2intmap[Gen[geni].bus_i]; 120 Gen[geni].internal_i = intbusnum; 121 Bus[intbusnum].gidx[Bus[intbusnum].ngen++] = geni; 122 123 Bus[intbusnum].vm = Gen[geni].vs; 124 125 PetscCheck(Bus[intbusnum].ngen <= NGEN_AT_BUS_MAX, PETSC_COMM_SELF, PETSC_ERR_SUP, "Exceeded maximum number of generators allowed at bus"); 126 geni++; 127 } 128 129 if (i >= br_start_line && i < br_end_line) { 130 PetscScalar R, X, Bc, B, G, Zm, tap, shift, tap2, tapr, tapi; 131 double r, x, b, rateA, rateB, rateC, tapratio, phaseshift; 132 int fbus, tbus, status; 133 sscanf(line, "%d %d %lf %lf %lf %lf %lf %lf %lf %lf %d", &fbus, &tbus, &r, &x, &b, &rateA, &rateB, &rateC, &tapratio, &phaseshift, &status); 134 Branch[bri].fbus = fbus; 135 Branch[bri].tbus = tbus; 136 Branch[bri].status = status; 137 Branch[bri].r = r; 138 Branch[bri].x = x; 139 Branch[bri].b = b; 140 Branch[bri].rateA = rateA; 141 Branch[bri].rateB = rateB; 142 Branch[bri].rateC = rateC; 143 Branch[bri].tapratio = tapratio; 144 Branch[bri].phaseshift = phaseshift; 145 146 if (Branch[bri].tapratio == 0.0) Branch[bri].tapratio = 1.0; 147 Branch[bri].phaseshift *= PETSC_PI / 180.0; 148 149 intbusnum = busext2intmap[Branch[bri].fbus]; 150 Branch[bri].internal_i = intbusnum; 151 152 intbusnum = busext2intmap[Branch[bri].tbus]; 153 Branch[bri].internal_j = intbusnum; 154 155 /* Compute self and transfer admittances */ 156 R = Branch[bri].r; 157 X = Branch[bri].x; 158 Bc = Branch[bri].b; 159 160 Zm = R * R + X * X; 161 G = R / Zm; 162 B = -X / Zm; 163 164 tap = Branch[bri].tapratio; 165 shift = Branch[bri].phaseshift; 166 tap2 = tap * tap; 167 tapr = tap * PetscCosScalar(shift); 168 tapi = tap * PetscSinScalar(shift); 169 170 Branch[bri].yff[0] = G / tap2; 171 Branch[bri].yff[1] = (B + Bc / 2.0) / tap2; 172 173 Branch[bri].yft[0] = -(G * tapr - B * tapi) / tap2; 174 Branch[bri].yft[1] = -(B * tapr + G * tapi) / tap2; 175 176 Branch[bri].ytf[0] = -(G * tapr + B * tapi) / tap2; 177 Branch[bri].ytf[1] = -(B * tapr - G * tapi) / tap2; 178 179 Branch[bri].ytt[0] = G; 180 Branch[bri].ytt[1] = B + Bc / 2.0; 181 182 bri++; 183 } 184 } 185 fclose(fp); 186 187 /* Reorder the generator data structure according to bus numbers */ 188 genj = 0; 189 loadj = 0; 190 PetscCall(PetscMalloc1(pf->ngen, &newgen)); 191 PetscCall(PetscMalloc1(pf->nload, &newload)); 192 for (i = 0; i < pf->nbus; i++) { 193 for (j = 0; j < pf->bus[i].ngen; j++) PetscCall(PetscMemcpy(&newgen[genj++], &pf->gen[pf->bus[i].gidx[j]], sizeof(struct _p_GEN))); 194 for (j = 0; j < pf->bus[i].nload; j++) PetscCall(PetscMemcpy(&newload[loadj++], &pf->load[pf->bus[i].lidx[j]], sizeof(struct _p_LOAD))); 195 } 196 PetscCall(PetscFree(pf->gen)); 197 PetscCall(PetscFree(pf->load)); 198 pf->gen = newgen; 199 pf->load = newload; 200 201 PetscCall(PetscFree(busext2intmap)); 202 PetscFunctionReturn(0); 203 } 204