Multiple Locations simulation

I was able to run the lk simulation. Thks, Paul.

But I was comparing the results i got and there is a problem with it. My lk simulation needs to run 28 weather files, half of it is filled with hourly data and the other half is filled with 1 minute data. Yet some of the weather files are returning wrong results when i compare with SAM simulation. Meantime if i run only the file that presented error on LK simulation, it returns me the right value.

The wrong results:

---

Summary

---

Annual AC energy in Year 1 [kWh]: 1.83294e+07
DC capacity factor in Year 1 [%]: 20.5685
Energy yield in Year 1 [kWh/kW]: 1801.8
Performance ratio in Year 1 [-]: 0.825696

---

Clipping

---

Total Clipping energy [kW]: 711759
Total DC input power [kW]: 1.98286e+07
Total Clipping loss [%]: 3.58955



The right results:

---

Summary

---

Annual AC energy in Year 1 [kWh]: 18332990
DC capacity factor in Year 1 [%]: 20.5725
Energy yield in Year 1 [kWh/kW]: 1802.15
Performance ratio in Year 1 [-]: 0.826152

---

Clipping

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Total Clipping energy [kW]: 724072
Total DC input power [kW]: 1.9845e+07
Total Clipping loss [%]: 3.64863



Could you help?

best regards
Gabriel

that's all my code, paul.

Others system's informations:
DC/AC: 1.40
Number of inverters: 22
Module power: 660Wp
Inverter power: 330kWac

---

path = 'weather files path';

files = dir_list(path, 'csv'); // search for csv files only

set('use_specific_weather_file',1);
errors = '';


for ( idx = 0; idx < #files;idx=idx+1) {

fpath[0] = path;
fpath[1] = files[idx];

weatherfiles[idx] = join(fpath,'');


outln('--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.\n');
outln('Simulacao realizada com o RMY: ' + files[idx] + '\n');
set( 'user_specified_weather_file', weatherfiles[idx] );
simulate(errors,0);


//sum_clip = sum(get('inv_cliploss'));
sum_dcinput = sum(get('dc_net'));
clippingloss = get('annual_ac_inv_clip_loss_percent');


outln('

---

Summary

---

\n');
outln('Annual AC energy in Year 1 [kWh]: ' + get('annual_energy'));
outln('DC capacity factor in Year 1 [%]: ' + get('capacity_factor'));
outln('Energy yield in Year 1 [kWh/kW]: ' + get('kwh_per_kw'));
outln('Performance ratio in Year 1 [-]: ' + get('performance_ratio') + '\n');
outln('

---

Clipping

---

\n');
outln('Total Clipping energy [kW]: ' + get('annual_inv_cliploss'));
outln('Total DC input power [kW]: ' + sum_dcinput);
outln('Total Clipping loss [%]: ' + clippingloss + '\n');
//

---

//Gerando .txt de sa_da


if (idx == 0){
data = "";
}
data = data + '--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--.--\n';
data = data + 'Simulacao realizada com o RMY: ' + files[idx] + '\n';
data = data + '\n';

data = data + '

---

Summary

---

\n';
data = data + 'Annual AC energy in Year 1 [kWh]: ' + get('annual_energy') + '\n';
data = data + 'DC capacity factor in Year 1 [%]: ' + get('capacity_factor') + '\n';
data = data + 'Energy yield in Year 1 [kWh/kW]: ' + get('kwh_per_kw') + '\n';
data = data + 'Performance ratio in Year 1 [-]: ' + get('performance_ratio') + '\n';
data = data + '\n';

data = data + '

---

Clipping

---

\n';
data = data + 'Total Clipping energy [kW]: ' + get('annual_inv_cliploss') + '\n';
data = data + 'Total DC input power [kW]: ' + sum_dcinput + '\n';
data = data + 'Total Clipping loss [%]: ' + clippingloss + '\n';
data = data + '\n';
data = data + '\n';
data = data + '\n';
}

ok = write_text_file( "txt file path", data );  //path to create a txt file with the results of 28 simulations
if (!ok)
outln("Error writing text file.");

Hi Umut,

I tried to run your code on multiple weather files and it worked, however, all the results outputted into the csv were identical for each weather file. I am wondering how you fixed this?