/// <summary>
/// Parses an impedance from a line in the report file
/// </summary>
/// <param name="marker"></param>
/// <param name="text"></param>
/// <returns></returns>
private static Impedance GetImpedance(string marker, string text)
{
int index = text.IndexOf(marker);
if (index == -1)
{
return new Impedance {
Reactance = 0, Resistance = 0
}
}
;
int start = index + marker.Length;
string substr = text.Substring(start);
Regex r = new Regex("(-?)(0|([1-9][0-9]*))(\\.[0-9]+)?");
var matches = r.Matches(substr);
if (matches.Count < 2)
{
throw new Exception($"Failed to find impedance [{marker}] in string [{text}]");
}
Impedance result = new Impedance
{
Reactance = double.Parse(matches[1].Value),
Resistance = double.Parse(matches[0].Value)
};
return(result);
}
public void Initialize()
{
SelfImpedance = new Impedance[3];
MutualImpedance = new Impedance[3];
}
/// <summary>
/// Looks for a leika file on the path, and tries to extract the impedance data from it
/// </summary>
/// <param name="fileName"></param>
/// <param name="path"></param>
/// <returns></returns>
private static LineParameters?GetLeikaData(string fileName, string path, int phases)
{
try
{
if (phases < 1 || phases > 3)
{
Console.WriteLine($"Invalid number of phases for file {fileName}");
return(null);
}
//get all the report files
var files = Directory.GetFiles(path, "*.txt");
//what is this?
//TODO: just get the file we need
for (int i = 0; i < files.Length; i++)
{
files[i] = Path.GetFileName(files[i]);
}
if (files.Contains(fileName + ".txt"))
{
var lines = File.ReadAllLines(Path.Combine(path, fileName) + ".txt");
for (int i = 0; i < lines.Length; i++)
{
if (lines[i].Contains("IMPEDANCES AFTER ELIMINATION OF EARTHED CONDUCTORS"))
{
if (i + 18 > lines.Length)
{
Console.WriteLine("Was expecting more lines in file");
break;
}
Impedance zero = new Impedance {
Reactance = 0, Resistance = 0
};
LineParameters p = new LineParameters();
//TODO: we should be handling the per phase cases here
p.Initialize();
p.SelfImpedance[0] = GetImpedance("1L1", lines[i + 9]);
if (phases >= 2)
{
p.SelfImpedance[1] = GetImpedance("1L2", lines[i + 9]);
}
else
{
p.SelfImpedance[1] = zero;
}
if (phases == 3)
{
p.SelfImpedance[2] = GetImpedance("1L3", lines[i + 9]);
}
else
{
p.SelfImpedance[2] = zero;
}
if (phases >= 2)
{
p.MutualImpedance[0] = GetImpedance("1L1-1L2", lines[i + 17]);
}
else
{
p.MutualImpedance[0] = zero;
}
if (phases == 3)
{
p.MutualImpedance[1] = GetImpedance("1L1-1L3", lines[i + 18]);
p.MutualImpedance[2] = GetImpedance("1L2-1L3", lines[i + 18]);
}
else
{
p.MutualImpedance[1] = zero;
p.MutualImpedance[2] = zero;
}
return(p);
}
}
}
else
{
Console.WriteLine($"File {fileName}.txt was not found on the leika path");
}
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
return(null);
}
