void exec( ) throw( general_error )
{
iec61853_module_t solver;
msg_handler msgs( *this );
solver._imsg = &msgs;
util::matrix_t<double> input = as_matrix("input"), par;
if ( input.ncols() != iec61853_module_t::COL_MAX )
throw exec_error( "iec61853", "six data columns required for input matrix: IRR,TC,PMP,VMP,VOC,ISC");
if (!solver.calculate( input, as_integer("nser"), as_integer("type"), par, as_boolean("verbose") ))
throw exec_error( "iec61853", "failed to solve for parameters");
assign("n", var_data((ssc_number_t)solver.n));
assign("alphaIsc", var_data((ssc_number_t)solver.alphaIsc));
assign("betaVoc", var_data((ssc_number_t)solver.betaVoc));
assign( "gammaPmp", var_data((ssc_number_t)solver.gammaPmp) );
assign( "Il", var_data((ssc_number_t)solver.Il) );
assign( "Io", var_data((ssc_number_t)solver.Io) );
assign( "C1", var_data((ssc_number_t)solver.C1) );
assign( "C2", var_data((ssc_number_t)solver.C2) );
assign( "C3", var_data((ssc_number_t)solver.C3) );
assign( "D1", var_data((ssc_number_t)solver.D1) );
assign( "D2", var_data((ssc_number_t)solver.D2) );
assign( "D3", var_data((ssc_number_t)solver.D3) );
assign( "Egref", var_data((ssc_number_t)solver.Egref) );
ssc_number_t *output = allocate( "output", par.nrows(), par.ncols() );
size_t c = 0;
for( size_t i=0;i<par.nrows();i++ )
for( size_t j=0;j<par.ncols();j++ )
output[c++] = (ssc_number_t)par(i, j);
}
SEXP rsqlite_query_send(SEXP handle, SEXP statement, SEXP bind_data) {
SQLiteConnection* con = rsqlite_connection_from_handle(handle);
sqlite3* db_connection = con->drvConnection;
sqlite3_stmt* db_statement = NULL;
int state, bind_count;
int rows = 0, cols = 0;
if (con->resultSet) {
if (con->resultSet->completed != 1)
warning("Closing result set with pending rows");
rsqlite_result_free(con);
}
rsqlite_result_alloc(con);
SQLiteResult* res = con->resultSet;
/* allocate and init a new result set */
res->completed = 0;
char* dyn_statement = RS_DBI_copyString(CHAR(asChar(statement)));
res->statement = dyn_statement;
res->drvResultSet = db_statement;
state = sqlite3_prepare_v2(db_connection, dyn_statement, -1,
&db_statement, NULL);
if (state != SQLITE_OK) {
exec_error(con, "error in statement");
}
if (db_statement == NULL) {
exec_error(con, "nothing to execute");
}
res->drvResultSet = (void*) db_statement;
bind_count = sqlite3_bind_parameter_count(db_statement);
if (bind_count > 0 && bind_data != R_NilValue) {
rows = GET_LENGTH(GET_ROWNAMES(bind_data));
cols = GET_LENGTH(bind_data);
}
res->isSelect = sqlite3_column_count(db_statement) > 0;
res->rowCount = 0; /* fake's cursor's row count */
res->rowsAffected = -1; /* no rows affected */
rsqlite_exception_set(con, state, "OK");
if (res->isSelect) {
if (bind_count > 0) {
select_prepared_query(db_statement, bind_data, bind_count, rows, con);
}
} else {
if (bind_count > 0) {
non_select_prepared_query(db_statement, bind_data, bind_count, rows, con);
} else {
state = sqlite3_step(db_statement);
if (state != SQLITE_DONE) {
exec_error(con, "rsqlite_query_send: could not execute1");
}
}
res->completed = 1;
res->rowsAffected = sqlite3_changes(db_connection);
}
return handle;
}
static void execute_shell(t_shell *sh, CMD *c, int fd_out, int fd_error)
{
sh->inside_status = 1;
if (c->type == C_ERROR)
{
exec_error(c, fd_error);
change_status(sh, 1);
}
else if (c->type == C_BUILTIN && !is_extern_builtin(c))
exec_builtin(sh, c, fd_out, fd_error);
else
sh->inside_status = 0;
}
static void
non_select_prepared_query(sqlite3_stmt* db_statement,
SEXP bind_data,
int bind_count,
int rows,
SQLiteConnection* con) {
int state, i;
char bindingErrorMsg[2048];
bindingErrorMsg[0] = '\0';
RSQLiteParams* params =
RS_SQLite_createParameterBinding(bind_count, bind_data,
db_statement, bindingErrorMsg);
if (params == NULL) {
/* FIXME: this UNPROTECT is ugly, paired to caller */
UNPROTECT(1);
exec_error(con, bindingErrorMsg);
}
/* we need to step through the query for each row */
for (i = 0; i < rows; i++) {
state = bind_params_to_stmt(params, db_statement, i);
if (state != SQLITE_OK) {
UNPROTECT(1);
exec_error(con, "rsqlite_query_send: could not bind data");
}
state = sqlite3_step(db_statement);
if (state != SQLITE_DONE) {
UNPROTECT(1);
exec_error(con, "rsqlite_query_send: could not execute");
}
state = sqlite3_reset(db_statement);
sqlite3_clear_bindings(db_statement);
if (state != SQLITE_OK) {
UNPROTECT(1);
exec_error(con, "rsqlite_query_send: could not reset statement");
}
}
RS_SQLite_freeParameterBinding(¶ms);
}
static void
select_prepared_query(sqlite3_stmt* db_statement,
SEXP bind_data,
int bind_count,
int rows,
SQLiteConnection* con) {
char bindingErrorMsg[2048];
bindingErrorMsg[0] = '\0';
RSQLiteParams* params =
RS_SQLite_createParameterBinding(bind_count, bind_data,
db_statement, bindingErrorMsg);
if (params == NULL) {
/* FIXME: this UNPROTECT is ugly, paired to caller */
UNPROTECT(1);
exec_error(con, bindingErrorMsg);
}
con->resultSet->drvData = params;
}
void exec( ) throw( general_error )
{
size_t i, j, nrows, ncols;
// rated output ac
double Paco = as_double("inv_cec_cg_paco");
bool kW_units = (as_integer("inv_cec_cg_sample_power_units") == 1);
// 6 columns period, tier, max usage, max usage units, buy, sell
ssc_number_t *inv_cec_cg_test_samples_in = as_matrix("inv_cec_cg_test_samples", &nrows, &ncols);
if (nrows != 18)
{
std::ostringstream ss;
ss << "The samples table must have 18 rows. Number of rows in samples table provided is " << nrows << " rows.";
throw exec_error("inv_cec_cg", ss.str());
}
if ((ncols % 3) != 0)
{
std::ostringstream ss;
ss << "The samples table must have number of columns divisible by 3. Number of columns in samples table provided is " << ncols << " columns.";
throw exec_error("inv_cec_cg", ss.str());
}
size_t num_samples = ncols / 3;
size_t columns_per_sample = 3;
util::matrix_t<float> inv_cec_cg_test_samples(nrows, ncols);
inv_cec_cg_test_samples.assign(inv_cec_cg_test_samples_in, nrows, ncols);
ssc_number_t vdc = 0, Pout = 0, eff = 0, Pin=0, Pin2=0;
// set Pout, Pin=Pout/eff and Pin^2 for least squares fit
// 6 is for the required power output percentages at each voltage for each sample
util::matrix_t<ssc_number_t> &inv_cec_cg_Vmin = allocate_matrix("inv_cec_cg_Vmin", 6 * num_samples, 3);
util::matrix_t<ssc_number_t> &inv_cec_cg_Vnom = allocate_matrix("inv_cec_cg_Vnom", 6 * num_samples, 3);
util::matrix_t<ssc_number_t> &inv_cec_cg_Vmax = allocate_matrix("inv_cec_cg_Vmax", 6 * num_samples, 3);
ssc_number_t *inv_cec_cg_Vdc = allocate("inv_cec_cg_Vdc", 3);
ssc_number_t *inv_cec_cg_Vdc_Vnom = allocate("inv_cec_cg_Vdc_Vnom", 3);
ssc_number_t *inv_cec_cg_Pdco = allocate("inv_cec_cg_Pdco", 3);
ssc_number_t *inv_cec_cg_Psco = allocate("inv_cec_cg_Psco", 3);
ssc_number_t *inv_cec_cg_C0 = allocate("inv_cec_cg_C0", 3);
ssc_number_t *inv_cec_cg_C1 = allocate("inv_cec_cg_C1", 2);
ssc_number_t *inv_cec_cg_C2 = allocate("inv_cec_cg_C2", 2);
ssc_number_t *inv_cec_cg_C3 = allocate("inv_cec_cg_C3", 2);
for (i = 0; i < 3; i++)
inv_cec_cg_Vdc[i] = 0;
for (j = 0; j < num_samples; j++)
{
for (i = 0; i < inv_cec_cg_test_samples.nrows(); i++)
{
vdc = inv_cec_cg_test_samples.at(i, j*columns_per_sample + 1);
Pout = inv_cec_cg_test_samples.at(i, j*columns_per_sample);
if (kW_units) Pout *= 1000; // kW to W
eff = inv_cec_cg_test_samples.at(i, j*columns_per_sample+2);
Pin = Pout;
if (eff != 0.0f) Pin = (ssc_number_t)(100.0*Pout) / eff;
Pin2 = Pin*Pin;
if (i < 6) // Vmin 0 offset
{
inv_cec_cg_Vdc[0] += vdc;
inv_cec_cg_Vmin.at(j * 6 + i, 0) = Pout;
inv_cec_cg_Vmin.at(j * 6 + i, 1) = Pin;
inv_cec_cg_Vmin.at(j * 6 + i, 2) = Pin2;
}
else if (i < 12) // Vnom 6 offset
{
inv_cec_cg_Vdc[1] += vdc;
inv_cec_cg_Vnom.at(j * 6 + i - 6, 0) = Pout;
inv_cec_cg_Vnom.at(j * 6 + i-6, 1) = Pin;
inv_cec_cg_Vnom.at(j * 6 + i-6, 2) = Pin2;
}
else // Vmax 12 offset
{
inv_cec_cg_Vdc[2] += vdc;
inv_cec_cg_Vmax.at(j * 6 + i - 12, 0) = Pout;
inv_cec_cg_Vmax.at(j * 6 + i - 12, 1) = Pin;
inv_cec_cg_Vmax.at(j * 6 + i - 12, 2) = Pin2;
}
}
}
ssc_number_t *inv_cec_cg_Vmin_abc = allocate("inv_cec_cg_Vmin_abc", 3);
ssc_number_t *inv_cec_cg_Vnom_abc = allocate("inv_cec_cg_Vnom_abc", 3);
ssc_number_t *inv_cec_cg_Vmax_abc = allocate("inv_cec_cg_Vmax_abc", 3);
std::vector<double> Pout_vec(inv_cec_cg_Vmin.nrows());
std::vector<double> Pin_vec(inv_cec_cg_Vmin.nrows());
int info;
double C[3];// initial guesses for lsqfit
size_t data_size = 3;
// Vmin non-linear
for (i = 0; i < inv_cec_cg_Vmin.nrows(); i++)
{
Pin_vec[i] = inv_cec_cg_Vmin.at(i, 1);
Pout_vec[i] = inv_cec_cg_Vmin.at(i, 0);
}
C[0] = -1e-6;
C[1] = 1;
C[2] = 1e3;
if (!(info=lsqfit(Quadratic_fit_eqn, 0, C, data_size, &Pin_vec[0], &Pout_vec[0], inv_cec_cg_Vmin.nrows())))
{
throw exec_error("inv_cec_cg", util::format("error in nonlinear least squares fit, error %d", info));
return;
}
inv_cec_cg_Vmin_abc[0] = (ssc_number_t)C[0];
inv_cec_cg_Vmin_abc[1] = (ssc_number_t)C[1];
inv_cec_cg_Vmin_abc[2] = (ssc_number_t)C[2];
// Vnom non-linear
for (i = 0; i < inv_cec_cg_Vnom.nrows(); i++)
{
Pin_vec[i] = inv_cec_cg_Vnom.at(i, 1);
Pout_vec[i] = inv_cec_cg_Vnom.at(i, 0);
}
C[0] = -1e-6;
C[1] = 1;
C[2] = 1e3;
if (!(info = lsqfit(Quadratic_fit_eqn, 0, C, data_size, &Pin_vec[0], &Pout_vec[0], inv_cec_cg_Vnom.nrows())))
{
throw exec_error("inv_cec_cg", util::format("error in nonlinear least squares fit, error %d", info));
return;
}
inv_cec_cg_Vnom_abc[0] = (ssc_number_t)C[0];
inv_cec_cg_Vnom_abc[1] = (ssc_number_t)C[1];
inv_cec_cg_Vnom_abc[2] = (ssc_number_t)C[2];
// Vmax non-linear
for (i = 0; i < inv_cec_cg_Vmax.nrows(); i++)
{
Pin_vec[i] = inv_cec_cg_Vmax.at(i, 1);
Pout_vec[i] = inv_cec_cg_Vmax.at(i, 0);
}
C[0] = -1e-6;
C[1] = 1;
C[2] = 1e3;
if (!(info = lsqfit(Quadratic_fit_eqn, 0, C, data_size, &Pin_vec[0], &Pout_vec[0], inv_cec_cg_Vmax.nrows())))
{
throw exec_error("inv_cec_cg", util::format("error in nonlinear least squares fit, error %d", info));
return;
}
inv_cec_cg_Vmax_abc[0] = (ssc_number_t)C[0];
inv_cec_cg_Vmax_abc[1] = (ssc_number_t)C[1];
inv_cec_cg_Vmax_abc[2] = (ssc_number_t)C[2];
// Fill in intermediate values
//Vdc (Vmin, Vnom, Vmax)
for (i = 0; i < 3;i++)
inv_cec_cg_Vdc[i] /= (6 * num_samples);
// Vdc-Vnom
for (i = 0; i < 3; i++)
inv_cec_cg_Vdc_Vnom[i] = inv_cec_cg_Vdc[i] - inv_cec_cg_Vdc[1];
ssc_number_t a, b, c;
// Pdco and Psco and C0
a = inv_cec_cg_Vmin_abc[0];
b = inv_cec_cg_Vmin_abc[1];
c = inv_cec_cg_Vmin_abc[2];
inv_cec_cg_Pdco[0] = (ssc_number_t)(-b + sqrt(b*b - 4 * a*(c - Paco)));
inv_cec_cg_Psco[0] = (-b + sqrt(b*b - 4 * a*c));
inv_cec_cg_C0[0] = a;
if (a != 0)
{
inv_cec_cg_Pdco[0] /= (ssc_number_t)(2.0*a);
inv_cec_cg_Psco[0] /= (ssc_number_t)(2.0*a);
}
a = inv_cec_cg_Vnom_abc[0];
b = inv_cec_cg_Vnom_abc[1];
c = inv_cec_cg_Vnom_abc[2];
inv_cec_cg_Pdco[1] = (ssc_number_t)(-b + sqrt(b*b - 4 * a*(c - Paco)));
inv_cec_cg_Psco[1] = (-b + sqrt(b*b - 4 * a*c));
inv_cec_cg_C0[1] = a;
if (a != 0)
{
inv_cec_cg_Pdco[1] /= (ssc_number_t)(2.0*a);
inv_cec_cg_Psco[1] /= (ssc_number_t)(2.0*a);
}
// TODO - limit Psco max to not be less than zero per note in Workbook
a = inv_cec_cg_Vmax_abc[0];
b = inv_cec_cg_Vmax_abc[1];
c = inv_cec_cg_Vmax_abc[2];
inv_cec_cg_Pdco[2] = (ssc_number_t)(-b + sqrt(b*b - 4 * a*(c - Paco)));
inv_cec_cg_Psco[2] = (-b + sqrt(b*b - 4 * a*c));
inv_cec_cg_C0[2] = a;
if (a != 0)
{
inv_cec_cg_Pdco[2] /= (ssc_number_t)(2.0*a);
inv_cec_cg_Psco[2] /= (ssc_number_t)(2.0*a);
}
// C1, C2, C3 linear least squares
// C1 Y=Pdco, X=Vdc-Vnom
std::vector<double> X(3);
std::vector<double> Y(3);
double slope, intercept;
// C1 using linear least squares fit
for (i = 0; i < 3; i++)
{
X[i] = inv_cec_cg_Vdc_Vnom[i];
Y[i] = inv_cec_cg_Pdco[i];
}
if ((info = linlsqfit(&slope, &intercept, &X[0], &Y[0], data_size)))
{
throw exec_error("inv_cec_cg", util::format("error in linear least squares fit, error %d", info));
return;
}
inv_cec_cg_C1[0] = (ssc_number_t)slope;
inv_cec_cg_C1[1] = (ssc_number_t)intercept;
// C2 using linear least squares fit
for (i = 0; i < 3; i++)
{
X[i] = inv_cec_cg_Vdc_Vnom[i];
Y[i] = inv_cec_cg_Psco[i];
}
if ((info = linlsqfit(&slope, &intercept, &X[0], &Y[0], data_size)))
{
throw exec_error("inv_cec_cg", util::format("error in linear least squares fit, error %d", info));
return;
}
inv_cec_cg_C2[0] = (ssc_number_t)slope;
inv_cec_cg_C2[1] = (ssc_number_t)intercept;
// C2 using linear least squares fit
for (i = 0; i < 3; i++)
{
X[i] = inv_cec_cg_Vdc_Vnom[i];
Y[i] = inv_cec_cg_C0[i];
}
if ((info = linlsqfit(&slope, &intercept, &X[0], &Y[0], data_size)))
{
throw exec_error("inv_cec_cg", util::format("error in linear least squares fit, error %d", info));
return;
}
inv_cec_cg_C3[0] = (ssc_number_t)slope;
inv_cec_cg_C3[1] = (ssc_number_t)intercept;
// vdco is the average of Vnom of all samples column 2 and rows 7 through 12
assign("Pdco", (var_data)inv_cec_cg_C1[1]);
assign("Vdco", (var_data)inv_cec_cg_Vdc[1]);
assign("Pso", (var_data)inv_cec_cg_C2[1]);
assign("c0", (var_data)inv_cec_cg_C3[1]);
assign("c1", (var_data)(inv_cec_cg_C1[0] / inv_cec_cg_C1[1]));
assign("c2", (var_data)(inv_cec_cg_C2[0] / inv_cec_cg_C2[1]));
assign("c3", (var_data)(inv_cec_cg_C3[0] / inv_cec_cg_C3[1]));
}
/* evaluate a simple command (3.9.1)
*
* this function doesn't put stuff in background, it always wait()s, so
* it only needs to fork() real programs
* ----------------------------------------------------------------------- */
int eval_simple_command(struct eval *e, struct ncmd *ncmd) {
union node *nptr;
int argc;
char **argv;
int status;
union node *args = NULL;
union node *assigns = NULL;
union command cmd = { NULL };
enum hash_id id = H_BUILTIN;
struct vartab vars;
/* struct fdstack io;*/
union node *r;
union node *redir = ncmd->rdir;
/* expand arguments,
if there are arguments we start a hashed search for the command */
if(expand_args(ncmd->args, &args, 0)) {
stralloc_nul(&args->narg.stra);
cmd = exec_hash(args->narg.stra.s, &id);
}
/* expand and set the variables,
mark them for export if we're gonna execute a command */
if(expand_vars(ncmd->vars, &assigns)) {
/* if we don't exit after the command, have a command and not a
special builtin the variable changes should be temporary */
if(!(e->flags & E_EXIT) && cmd.ptr && id != H_SBUILTIN)
vartab_push(&vars);
for(nptr = assigns; nptr; nptr = nptr->list.next)
var_setsa(&nptr->narg.stra, (cmd.ptr ? V_EXPORT : V_DEFAULT));
tree_free(assigns);
}
/* do redirections if present */
/* if(redir && id != H_SBUILTIN && id != H_EXEC)
fdstack_push(&io);*/
if(redir/* && id != H_PROGRAM*/) {
for(r = redir; r; r = r->list.next) {
struct fd *fd = NULL;
/* if its the exec special builtin the new fd needs to be persistent */
if(id != H_EXEC) fd_alloca(fd);
/* return if a redirection failed */
if(redir_eval(&r->nredir, fd, (id == H_EXEC ? R_NOW : 0))) {
status = 1;
goto end;
}
/* check if we need to initialize fd buffers for the new redirection */
if(fd_needbuf(r->nredir.fd)) {
/* if its not exec then set up buffers for
temporary redirections on the stack */
if(id != H_EXEC)
fd_setbuf(r->nredir.fd, alloca(FD_BUFSIZE), FD_BUFSIZE);
else
fd_allocbuf(r->nredir.fd, FD_BUFSIZE);
}
}
}
/* if there is no command we can return after
setting the vars and doing the redirections */
if(args == NULL) {
status = 0;
goto end;
}
/* when the command wasn't found we abort */
if(cmd.ptr == NULL) {
sh_error(args->narg.stra.s);
status = exec_error();
goto end;
}
/* assemble argument list */
argc = tree_count(args);
argv = alloca((argc + 1) * sizeof(char *));
expand_argv(args, argv);
/* execute the command, this may or may not return, depending on E_EXIT */
status = exec_command(id, cmd, argc, argv, (e->flags & E_EXIT), redir);
end:
/* restore variable stack */
if(varstack == &vars)
vartab_pop(&vars);
if(args)
tree_free(args);
/* undo redirections */
if(id != H_EXEC) {
for(r = redir; r; r = r->list.next)
fd_pop(r->nredir.fd);
}
/* if(fdstack == &io)
fdstack_pop(&io);*/
return status;
}
/* execute another program, possibly searching for it first
*
* if the 'exec' argument is set it will never return
* ----------------------------------------------------------------------- */
int exec_program(char *path, char **argv, int exec, union node *redir) {
int ret = 0;
sigset_t nset, oset;
/* if we're gonna execve() a program and 'exec' isn't
set or we aren't in the root shell environment we
have to fork() so we can return */
if(!exec || sh->parent) {
pid_t pid;
struct fdstack io;
unsigned int n;
fdstack_push(&io);
/* buffered fds which have not a real effective file descriptor,
like here-docs which are read from strallocs and command
expansions, which write to strallocs can't be shared across
different process spaces, so we have to establish pipes */
if((n = fdstack_npipes(FD_HERE|FD_SUBST)))
fdstack_pipe(n, fdstack_alloc(n));
/* block child and interrupt signal, so we won't terminate ourselves
when the child does */
/*
sigemptyset(&nset);
sigaddset(&nset, SIGINT);
#ifdef SIGCHLD
sigaddset(&nset, SIGCHLD);
#endif
sigemptyset(&oset);
sigprocmask(SIG_BLOCK, &nset, &oset);
*/
sig_block();
/* in the parent wait for the child to finish and then return
or exit, according to the 'exec' argument */
if((pid = fork())) {
int status = 1;
/* this will close child ends of the pipes and read data from the parent end :) */
fdstack_pop(&io);
fdstack_data();
job_wait(NULL, pid, &status, 0);
job_status(pid, status);
ret = WEXITSTATUS(status);
#ifndef __MINGW32__
sigprocmask(SIG_SETMASK, &oset, NULL);
#endif
/* exit if 'exec' is set, otherwise return */
if(exec) sh_exit(ret);
return ret;
}
/* ...in the child we always exit */
sh_forked();
}
fdtable_exec();
fdstack_flatten();
/* when there is a path then we gotta execute a command,
otherwise we exit/return immediately */
if(path) {
/* export environment */
char **envp;
unsigned long envn = var_count(V_EXPORT) + 1;
envp = var_export(alloca(envn * sizeof(char *)));
/* try to execute the program */
execve(path, argv, envp);
/* execve() returned so it failed, we're gonna map
the error code to the appropriate POSIX errors */
ret = exec_error();
/* yield an error message */
sh_error(path);
}
/* we never return at this point! */
exit(ret);
}
void exec( ) throw( general_error )
{
bool header_only = as_boolean("header_only");
const char *file = as_string("file_name");
weatherfile wfile( file, header_only );
if (!wfile.ok())
{
assign( "error", var_data(wfile.message()) );
throw exec_error("wfreader", "failed to read local weather file: " + std::string(file) + " " + wfile.message());
}
if( wfile.has_message() ) log( wfile.message(), SSC_WARNING );
weather_header hdr;
wfile.header( &hdr );
size_t records = wfile.nrecords();
for (int i = 3; i < 100; i++){
}
assign( "lat", var_data( (ssc_number_t)hdr.lat ) );
assign( "lon", var_data( (ssc_number_t)hdr.lon ) );
assign( "tz", var_data( (ssc_number_t)hdr.tz ) );
assign( "elev", var_data( (ssc_number_t)hdr.elev ) );
assign( "location", var_data( std::string( hdr.location ) ) );
assign( "city", var_data( std::string( hdr.city ) ) );
assign( "state", var_data( std::string( hdr.state ) ) );
assign( "country", var_data( std::string( hdr.country ) ) );
assign( "description", var_data( std::string( hdr.description ) ) );
assign( "source", var_data( std::string( hdr.source ) ) );
assign( "url", var_data( std::string( hdr.url ) ) );
assign( "start", var_data( (ssc_number_t)wfile.start_sec() ) );
assign( "step", var_data( (ssc_number_t)wfile.step_sec() ) );
assign( "nrecords", var_data( (ssc_number_t)wfile.nrecords() ) );
switch( wfile.type() )
{
case weatherfile::TMY2: assign("format", var_data("tmy2") ); break;
case weatherfile::TMY3: assign("format", var_data("tmy3") ); break;
case weatherfile::EPW: assign("format", var_data("epw") ); break;
case weatherfile::SMW: assign("format", var_data("smw") ); break;
case weatherfile::WFCSV: assign("format", var_data("csv") ); break;
default: assign("format", var_data("invalid")); break;
}
if ( header_only )
return;
ssc_number_t *p_year = allocate( "year", records );
ssc_number_t *p_month = allocate( "month", records );
ssc_number_t *p_day = allocate( "day", records );
ssc_number_t *p_hour = allocate( "hour", records );
ssc_number_t *p_minute = allocate( "minute", records );
ssc_number_t *p_global = allocate( "global", records );
ssc_number_t *p_beam = allocate( "beam", records );
ssc_number_t *p_diffuse = allocate( "diffuse", records );
ssc_number_t *p_poa = allocate( "poa", records );
ssc_number_t *p_wspd = allocate( "wspd", records );
ssc_number_t *p_wdir = allocate( "wdir", records );
ssc_number_t *p_tdry = allocate( "tdry", records );
ssc_number_t *p_twet = allocate( "twet", records );
ssc_number_t *p_tdew = allocate( "tdew", records );
ssc_number_t *p_rhum = allocate( "rhum", records );
ssc_number_t *p_pres = allocate( "pres", records );
ssc_number_t *p_snow = allocate( "snow", records );
ssc_number_t *p_albedo = allocate( "albedo", records );
double gh_sum = 0.0, dn_sum = 0.0, df_sum = 0.0;
double temp_sum = 0.0, wind_sum = 0.0;
double snow_max = -1;
double ts_hour = wfile.step_sec() / 3600.0;
weather_record wf;
for (int i=0;i<(int)records;i++)
{
if (!wfile.read( &wf ))
throw exec_error("wfreader", "could not read data line " + util::to_string(i+1) + " of 8760");
p_year[i] = (ssc_number_t)wf.year;
p_month[i] = (ssc_number_t)wf.month;
p_day[i] = (ssc_number_t)wf.day;
p_hour[i] = (ssc_number_t)wf.hour;
p_minute[i] = (ssc_number_t)wf.minute;
p_global[i] = (ssc_number_t)wf.gh;
p_beam[i] = (ssc_number_t)wf.dn;
p_diffuse[i] = (ssc_number_t)wf.df;
p_poa[i] = (ssc_number_t)wf.poa;
p_wspd[i] = (ssc_number_t)wf.wspd;
p_wdir[i] = (ssc_number_t)wf.wdir;
p_tdry[i] = (ssc_number_t)wf.tdry;
p_twet[i] = (ssc_number_t)wf.twet;
p_tdew[i] = (ssc_number_t)wf.tdew;
p_rhum[i] = (ssc_number_t)wf.rhum;
p_pres[i] = (ssc_number_t)wf.pres;
p_snow[i] = (ssc_number_t)wf.snow;
p_albedo[i] = (ssc_number_t)wf.alb;
gh_sum += wf.gh * ts_hour;
dn_sum += wf.dn * ts_hour;
df_sum += wf.df * ts_hour;
temp_sum += wf.tdry;
wind_sum += wf.wspd;
if (!std::isnan(wf.snow) && (wf.snow > snow_max))
snow_max = wf.snow;
}
if (snow_max < 0)
snow_max = snow_max = std::numeric_limits<double>::quiet_NaN();
assign("annual_global", var_data((ssc_number_t)(0.001 * gh_sum / 365)));
assign("annual_beam", var_data((ssc_number_t) (0.001 * dn_sum / 365)));
assign("annual_diffuse", var_data((ssc_number_t)(0.001 * df_sum / 365)));
assign("annual_tdry", var_data((ssc_number_t)(temp_sum / records)));
assign("annual_wspd", var_data((ssc_number_t)(wind_sum / records)));
assign("annual_snow", var_data((ssc_number_t)snow_max));
}
void exec( ) throw( general_error )
{
//if ( 0 >= load_library("typelib") ) throw exec_error( "tcsgeneric_solar", util::format("could not load the tcs type library.") );
//bool debug_mode = (__DEBUG__ == 1); // When compiled in VS debug mode, this will use the trnsys weather file; otherwise, it will attempt to open the file with name that was passed in
// type260_genericsolar uses 'poa_beam' from the weather reader, which is not available from a "trnsys_weatherreader", so this must be set to false
bool debug_mode = false;
//Add weather file reader unit
int weather = 0;
if(debug_mode) weather = add_unit("trnsys_weatherreader", "TRNSYS weather reader");
else weather = add_unit("weatherreader", "TCS weather reader");
// Add time-of-use reader
int tou = add_unit("tou_translator", "Time of Use Translator");
//Add Physical Solar Field Model
int type260_genericsolar = add_unit( "sam_mw_gen_type260", "Generic solar model" );
if(debug_mode)
{
set_unit_value( weather, "file_name", "C:/svn_NREL/main/ssc/tcsdata/typelib/TRNSYS_weather_outputs/tucson_trnsys_weather.out" );
set_unit_value( weather, "i_hour", "TIME" );
set_unit_value( weather, "i_month", "month" );
set_unit_value( weather, "i_day", "day" );
set_unit_value( weather, "i_global", "GlobalHorizontal" );
set_unit_value( weather, "i_beam", "DNI" );
set_unit_value( weather, "i_diff", "DiffuseHorizontal" );
set_unit_value( weather, "i_tdry", "T_dry" );
set_unit_value( weather, "i_twet", "T_wet" );
set_unit_value( weather, "i_tdew", "T_dew" );
set_unit_value( weather, "i_wspd", "WindSpeed" );
set_unit_value( weather, "i_wdir", "WindDir" );
set_unit_value( weather, "i_rhum", "RelHum" );
set_unit_value( weather, "i_pres", "AtmPres" );
set_unit_value( weather, "i_snow", "SnowCover" );
set_unit_value( weather, "i_albedo", "GroundAlbedo" );
set_unit_value( weather, "i_poa", "POA" );
set_unit_value( weather, "i_solazi", "Azimuth" );
set_unit_value( weather, "i_solzen", "Zenith" );
set_unit_value( weather, "i_lat", "Latitude" );
set_unit_value( weather, "i_lon", "Longitude" );
set_unit_value( weather, "i_shift", "Shift" );
}
else
{
//Set weatherreader parameters
set_unit_value_ssc_string( weather, "file_name" );
set_unit_value_ssc_double( weather, "track_mode" ); //, 1 );
set_unit_value_ssc_double( weather, "tilt" ); //, 0 );
set_unit_value_ssc_double( weather, "azimuth" ); //, 0 );
}
set_unit_value_ssc_matrix(tou, "weekday_schedule"); // tou values from control will be between 1 and 9
set_unit_value_ssc_matrix(tou, "weekend_schedule");
//Set parameters
set_unit_value_ssc_double(type260_genericsolar, "latitude" ); //, 35);
set_unit_value_ssc_double(type260_genericsolar, "longitude" ); //, -117);
set_unit_value_ssc_double(type260_genericsolar, "istableunsorted");
set_unit_value_ssc_matrix(type260_genericsolar, "OpticalTable" ); //, opt_data);
//set_unit_value_ssc_matrix(type260_genericsolar, "OpticalTableUns" );
set_unit_value_ssc_double(type260_genericsolar, "timezone" ); //, -8);
set_unit_value_ssc_double(type260_genericsolar, "theta_stow" ); //, 170);
set_unit_value_ssc_double(type260_genericsolar, "theta_dep" ); //, 10);
set_unit_value_ssc_double(type260_genericsolar, "interp_arr" ); //, 1);
set_unit_value_ssc_double(type260_genericsolar, "rad_type" ); //, 1);
set_unit_value_ssc_double(type260_genericsolar, "solarm" ); //, solarm);
set_unit_value_ssc_double(type260_genericsolar, "T_sfdes" ); //, T_sfdes);
set_unit_value_ssc_double(type260_genericsolar, "irr_des" ); //, irr_des);
set_unit_value_ssc_double(type260_genericsolar, "eta_opt_soil" ); //, eta_opt_soil);
set_unit_value_ssc_double(type260_genericsolar, "eta_opt_gen" ); //, eta_opt_gen);
set_unit_value_ssc_double(type260_genericsolar, "f_sfhl_ref" ); //, f_sfhl_ref);
set_unit_value_ssc_array(type260_genericsolar, "sfhlQ_coefs" ); //, [1,-0.1,0,0]);
set_unit_value_ssc_array(type260_genericsolar, "sfhlT_coefs" ); //, [1,0.005,0,0]);
set_unit_value_ssc_array(type260_genericsolar, "sfhlV_coefs" ); //, [1,0.01,0,0]);
set_unit_value_ssc_double(type260_genericsolar, "qsf_des" ); //, q_sf);
set_unit_value_ssc_double(type260_genericsolar, "w_des" ); //, w_gr_des);
set_unit_value_ssc_double(type260_genericsolar, "eta_des" ); //, eta_cycle_des);
set_unit_value_ssc_double(type260_genericsolar, "f_wmax" ); //, 1.05);
set_unit_value_ssc_double(type260_genericsolar, "f_wmin" ); //, 0.25);
set_unit_value_ssc_double(type260_genericsolar, "f_startup" ); //, 0.2);
set_unit_value_ssc_double(type260_genericsolar, "eta_lhv" ); //, 0.9);
set_unit_value_ssc_array(type260_genericsolar, "etaQ_coefs" ); //, [0.9,0.1,0,0,0]);
set_unit_value_ssc_array(type260_genericsolar, "etaT_coefs" ); //, [1,-0.002,0,0,0]);
set_unit_value_ssc_double(type260_genericsolar, "T_pcdes" ); //, 21);
set_unit_value_ssc_double(type260_genericsolar, "PC_T_corr" ); //, 1);
set_unit_value_ssc_double(type260_genericsolar, "f_Wpar_fixed" ); //, f_Wpar_fixed);
set_unit_value_ssc_double(type260_genericsolar, "f_Wpar_prod" ); //, f_Wpar_prod);
set_unit_value_ssc_array(type260_genericsolar, "Wpar_prodQ_coefs" ); //, [1,0,0,0]);
set_unit_value_ssc_array(type260_genericsolar, "Wpar_prodT_coefs" ); //, [1,0,0,0]);
set_unit_value_ssc_array(type260_genericsolar, "Wpar_prodD_coefs" ); //, [1,0,0,0]);
set_unit_value_ssc_double(type260_genericsolar, "hrs_tes" ); //, hrs_tes);
set_unit_value_ssc_double(type260_genericsolar, "f_charge" ); //, 0.98);
set_unit_value_ssc_double(type260_genericsolar, "f_disch" ); //, 0.98);
set_unit_value_ssc_double(type260_genericsolar, "f_etes_0" ); //, 0.1);
set_unit_value_ssc_double(type260_genericsolar, "f_teshl_ref" ); //, 0.35);
set_unit_value_ssc_array(type260_genericsolar, "teshlX_coefs" ); //, [1,0,0,0]);
set_unit_value_ssc_array(type260_genericsolar, "teshlT_coefs" ); //, [1,0,0,0]);
set_unit_value_ssc_double(type260_genericsolar, "ntod" ); //, 9);
set_unit_value_ssc_array(type260_genericsolar, "disws" ); //, [0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1]);
set_unit_value_ssc_array(type260_genericsolar, "diswos" ); //, [0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1,0.1]);
set_unit_value_ssc_array(type260_genericsolar, "qdisp" ); //, [1,1,1,1,1,1,1,1,1]);
set_unit_value_ssc_array(type260_genericsolar, "fdisp" ); //, [0,0,0,0,0,0,0,0,0]);
set_unit_value_ssc_matrix(type260_genericsolar, "exergy_table" );
set_unit_value_ssc_double(type260_genericsolar, "storage_config"); //Direct storage=0,Indirect storage=1
//Set the initial values
set_unit_value_ssc_double(type260_genericsolar, "ibn" ); //, 0.); //Beam-normal (DNI) irradiation
set_unit_value_ssc_double(type260_genericsolar, "ibh" ); //, 0.); // Beam-horizontal irradiation
set_unit_value_ssc_double(type260_genericsolar, "itoth" ); //, 0.); // Total horizontal irradiation
set_unit_value_ssc_double(type260_genericsolar, "tdb" ); //, 15.); // Ambient dry-bulb temperature
set_unit_value_ssc_double(type260_genericsolar, "twb" ); //, 10.); // Ambient wet-bulb temperature
set_unit_value_ssc_double(type260_genericsolar, "vwind" ); //, 1.); // Wind velocity
// Connect the units
bool bConnected = connect(weather, "beam", type260_genericsolar, "ibn");
bConnected &= connect(weather, "global", type260_genericsolar, "itoth");
bConnected &= connect(weather, "poa_beam", type260_genericsolar, "ibh");
bConnected &= connect(weather, "tdry", type260_genericsolar, "tdb");
bConnected &= connect(weather, "twet", type260_genericsolar, "twb");
bConnected &= connect(weather, "wspd", type260_genericsolar, "vwind");
//location
bConnected &= connect(weather, "lat", type260_genericsolar, "latitude");
bConnected &= connect(weather, "lon", type260_genericsolar, "longitude");
bConnected &= connect(weather, "tz", type260_genericsolar, "timezone");
bConnected &= connect(tou, "tou_value", type260_genericsolar, "TOUPeriod");
// Example for changing an input variable name in the SSC interface
// set_unit_value( u3, "m_dot_htf", as_double("m_dot_htf_init") );
// check if all connections worked
if ( !bConnected )
throw exec_error( "tcsgeneric_solar", util::format("there was a problem connecting outputs of one unit to inputs of another for the simulation.") );
size_t hours = 8760;
//Load the solar field adjustment factors
sf_adjustment_factors sf_haf(this);
if (!sf_haf.setup())
throw exec_error("tcsgeneric_solar", "failed to setup sf adjustment factors: " + sf_haf.error());
//allocate array to pass to tcs
ssc_number_t *sf_adjust = allocate("sf_adjust", hours);
for( size_t i=0; i<hours; i++)
sf_adjust[i] = sf_haf(i);
set_unit_value_ssc_array(type260_genericsolar, "sf_adjust");
// Run simulation
if (0 > simulate(3600.0, hours*3600.0, 3600.0) )
throw exec_error( "tcsgeneric_solar", util::format("there was a problem simulating in tcsgeneric_solar.") );
// get the outputs
if (!set_all_output_arrays() )
throw exec_error( "tcsgeneric_solar", util::format("there was a problem returning the results from the simulation.") );
// annual accumulations
size_t count = 0;
ssc_number_t *enet = as_array("enet", &count);
if (!enet || count != 8760)
throw exec_error("tcsgeneric_solar", "Failed to retrieve hourly net energy");
adjustment_factors haf(this, "adjust");
if (!haf.setup())
throw exec_error("tcsgeneric_solar", "failed to setup adjustment factors: " + haf.error());
ssc_number_t *hourly = allocate("gen", count);
for (size_t i = 0; i < count; i++)
{
hourly[i] = enet[i] * 1000 * haf(i); // convert from MWh to kWh
}
accumulate_annual("gen", "annual_energy");
accumulate_annual("w_gr", "annual_w_gr",1000); // convert from MWh to kWh
accumulate_annual("q_sf", "annual_q_sf");
accumulate_annual("q_to_pb", "annual_q_to_pb");
accumulate_annual("q_to_tes", "annual_q_to_tes");
accumulate_annual("q_from_tes", "annual_q_from_tes");
accumulate_annual("q_hl_sf", "annual_q_hl_sf");
accumulate_annual("q_hl_tes", "annual_q_hl_tes");
accumulate_annual("q_dump_tot", "annual_q_dump_tot");
accumulate_annual("q_startup", "annual_q_startup");
double fuel_MWht = accumulate_annual("q_fossil", "annual_q_fossil");
// monthly accumulations
accumulate_monthly("gen", "monthly_energy");
accumulate_monthly("w_gr", "monthly_w_gr",1000); // convert from MWh to kWh
accumulate_monthly("q_sf", "monthly_q_sf");
accumulate_monthly("q_to_pb", "monthly_q_to_pb");
accumulate_monthly("q_to_tes", "monthly_q_to_tes");
accumulate_monthly("q_from_tes", "monthly_q_from_tes");
accumulate_monthly("q_hl_sf", "monthly_q_hl_sf");
accumulate_monthly("q_hl_tes", "monthly_q_hl_tes");
accumulate_monthly("q_dump_tot", "monthly_q_dump_tot");
accumulate_monthly("q_startup", "monthly_q_startup");
accumulate_monthly("q_fossil", "monthly_q_fossil");
ssc_number_t ae = as_number("annual_energy");
ssc_number_t pg = as_number("annual_w_gr");
ssc_number_t convfactor = (pg != 0) ? 100 * ae / pg : 0;
assign("conversion_factor", convfactor);
// metric outputs moved to technology
double kWhperkW = 0.0;
double nameplate = as_double("system_capacity");
double annual_energy = 0.0;
for (int i = 0; i < 8760; i++)
annual_energy += hourly[i];
if (nameplate > 0) kWhperkW = annual_energy / nameplate;
assign("capacity_factor", var_data((ssc_number_t)(kWhperkW / 87.6)));
assign("kwh_per_kw", var_data((ssc_number_t)kWhperkW));
assign("system_heat_rate", (ssc_number_t)3.413); // samsim tcsgeneric_solar
assign("annual_fuel_usage", var_data((ssc_number_t)(fuel_MWht * 1000.0)));
}
