/// <summary>
/// Returns the percentage reactance between the two coils
/// </summary>
/// <param name="highEnd"></param>
/// <param name="lowEnd"></param>
/// <returns></returns>
public float Xpercentage(PowerTransformer.TransformerEnd highEnd, PowerTransformer.TransformerEnd lowEnd)
{
if (highEnd.BaseKV < lowEnd.BaseKV)
{throw new ArgumentOutOfRangeException("lowEnd","lowEnd should have a lower BaseKV than highEnd");}
return (float)
((BaseKVA * (highEnd.X + lowEnd.X)) / (highEnd.BaseKV - lowEnd.BaseKV));
}
private string transformerToDSS(PowerTransformer tran)
{
StringBuilder dssTran = new StringBuilder("New Transformer");
dssTran.AppendFormat(".{0} ", tran.Name);
int endCount = 0;
int phaseCount = 0;
var windingDefs = new StringBuilder();
PowerTransformer.TransformerEnd highest = null;
PowerTransformer.TransformerEnd lowest = null;
foreach (PowerTransformer.TransformerEnd end in tran.Ends)
{
endCount++;
if(highest == null || highest.BaseKV < end.BaseKV)
{
highest = end;
}
if(lowest == null || lowest.BaseKV > end.BaseKV)
{
lowest = end;
}
phaseCount = Math.Max(phaseCount,end.Terminal1.Phases.NumPhases());
windingDefs.AppendFormat
(
" wdg={0} bus={1} ",
endCount.ToString(),
end.Terminal1.ConnectionPointName
);
windingDefs.AppendFormat
(
"conn={0} kv={1} ",
end.ConnectionType.ToString(),
end.BaseKV.ToString()
);
}
dssTran.AppendFormat
(
"Windings={0} Phases={1} ",
endCount.ToString(),
phaseCount
);
dssTran.AppendFormat
(
" Xhl={0} kVA={1}",
tran.Xpercentage(highest, lowest).ToString(),
tran.BaseKVA.ToString()
);
return dssTran.Append(windingDefs.ToString()).ToString();
}
protected override void constructAndConnect(Dictionary<string, DataTable> typesToBuild)
{
var terms = new Dictionary<string, Terminal>();
lineObject = modelObject as Line;
if (typesToBuild["PowerTransformer"] != null)
{
foreach (DataRow row in typesToBuild["PowerTransformer"].Rows)
{
var tranName = (string)row["Name"];
lineObject[tranName] = new PowerTransformer(row);
}
foreach (DataRow row in typesToBuild["PowerTransformerEnd"].Rows)
{
var endName = (string)row["Name"];
var parent = (PowerTransformer)lineObject[(string)row["PowerTransformer"]];
var end = new PowerTransformer.TransformerEnd(row, parent);
lineObject[endName] = end;
parent.Ends.Add(end);
}
}
foreach (DataRow row in typesToBuild["Switch"].Rows)
{
var switchName = (string)row["Name"];
lineObject[switchName] = ConductingEquipment.newConductingEquipment(row);
}
foreach (DataRow row in typesToBuild["ACLineSegment"].Rows)
{
var linesegName = (string)row["Name"];
lineObject[linesegName] = ConductingEquipment.newConductingEquipment(row);
}
foreach (DataRow row in typesToBuild["EnergyConsumer"].Rows)
{
var loadName = (string)row["Name"];
lineObject[loadName] = ConductingEquipment.newConductingEquipment(row);
}
foreach (DataRow row in typesToBuild["Terminal"].Rows)
{
var termName = (string)row["Name"];
var parentName = (string)row["ParentEquipment"];
terms.Add(termName,new Terminal(row,(ConductingEquipment)lineObject[parentName],lineObject.serviceArea));
}
//instantiate and connect conducting equipment classes
makeBranches(terms);
makeShunts(terms);
makeStaticTopology(lineObject);
}
public TransformerEnd(DataRow data, PowerTransformer parent)
: base(data)
{
parentTransformer = parent;
BaseKV = (float)(double)data["BaseKV"];
r = (float)(double)data["R"];
x = (float)(double)data["X"];
g = (float)(double)data["G"];
r0 = (float)(double)data["R0"];
g0 = (float)(double)data["G0"];
x0 = (float)(double)data["X0"];
ConnectionType = (PhaseShuntConnectionKind)Enum.Parse
(
typeof(PhaseShuntConnectionKind),
(string)data["phaseConnection"],
true
);
equipmentType = EquipmentTopoTypes.Shunt;
}
