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