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private void CalculateMissingLLVoltageChannels()
{
Meter meter;
DataSeries missingSeries;
//Do this for every Voltage set
for (int i = 0; i < m_vIndices.Count(); i++)
{
// If all line voltages are already present or there are not
// atleast 2 lines we will not perform line to line calculations
if (m_vIndices[i].DefinedLineVoltages == 3 || m_vIndices[i].DefinedNeutralVoltages < 2)
{
return;
}
// Get the meter associated with the channels in this data group
DataSeries VA = m_dataGroup[m_vIndices[i].Va];
DataSeries VB = m_dataGroup[m_vIndices[i].Vb];
DataSeries VC = m_dataGroup[m_vIndices[i].Vc];
meter = (VA ?? VB ?? VC).SeriesInfo.Channel.Meter;
if (m_vIndices[i].Vab == -1 && VA != null && VB != null)
{
// Calculate VAB = VA - VB
missingSeries = VA.Add(VB.Negate());
missingSeries.SeriesInfo = GetSeriesInfo(meter, m_dataGroup, "Voltage", "AB", VA.SeriesInfo.Channel.AssetID);
missingSeries.Calculated = true;
m_vIndices[i].Vab = m_dataGroup.DataSeries.Count;
m_dataGroup.Add(missingSeries);
}
if (m_vIndices[i].Vbc == -1 && VB != null && VC != null)
{
// Calculate VBC = VB - VC
missingSeries = VB.Add(VC.Negate());
missingSeries.SeriesInfo = GetSeriesInfo(meter, m_dataGroup, "Voltage", "BC", VB.SeriesInfo.Channel.AssetID);
missingSeries.Calculated = true;
m_vIndices[i].Vbc = m_dataGroup.DataSeries.Count;
m_dataGroup.Add(missingSeries);
}
if (m_vIndices[i].Vca == -1 && VC != null && VA != null)
{
// Calculate VCA = VC - VA
missingSeries = VC.Add(VA.Negate());
missingSeries.SeriesInfo = GetSeriesInfo(meter, m_dataGroup, "Voltage", "CA", VC.SeriesInfo.Channel.AssetID);
missingSeries.Calculated = true;
m_vIndices[i].Vca = m_dataGroup.DataSeries.Count;
m_dataGroup.Add(missingSeries);
}
}
}
// Static Methods
public static DataSeries AddMissingCurrentSeries(MeterInfoDataContext meterInfo, Meter meter, DataGroup dataGroup)
{
DataSeries missingSeries = null;
// Get all necessary voltage and current channels in the proper order
List <DataSeries> viSeriesList = Enumerable.Range(VAIndex, IRIndex + 1)
.GroupJoin(dataGroup.DataSeries.Where(IsInstantaneous), i => i, GetIndex, (i, series) => series.FirstOrDefault())
.ToList();
// Validate that no more than one current channel is missing
if (viSeriesList.Count(series => (object)series == null) > 1)
{
return(null);
}
// Attempt to fill in missing current channels
// based on the relation IR = IA + IB + IC
if ((object)viSeriesList[IAIndex] == null)
{
missingSeries = viSeriesList[IRIndex];
missingSeries = missingSeries.Add(viSeriesList[IBIndex].Negate());
missingSeries = missingSeries.Add(viSeriesList[ICIndex].Negate());
missingSeries.SeriesInfo = GetSeriesInfo(meterInfo, meter, dataGroup, IAIndex);
missingSeries.SeriesInfo.Channel.Line = viSeriesList[IBIndex].SeriesInfo.Channel.Line;
viSeriesList[IAIndex] = missingSeries;
}
else if ((object)viSeriesList[IBIndex] == null)
{
missingSeries = viSeriesList[IRIndex];
missingSeries = missingSeries.Add(viSeriesList[IAIndex].Negate());
missingSeries = missingSeries.Add(viSeriesList[ICIndex].Negate());
missingSeries.SeriesInfo = GetSeriesInfo(meterInfo, meter, dataGroup, IBIndex);
missingSeries.SeriesInfo.Channel.Line = viSeriesList[IAIndex].SeriesInfo.Channel.Line;
viSeriesList[IBIndex] = missingSeries;
}
else if ((object)viSeriesList[ICIndex] == null)
{
missingSeries = viSeriesList[IRIndex];
missingSeries = missingSeries.Add(viSeriesList[IAIndex].Negate());
missingSeries = missingSeries.Add(viSeriesList[IBIndex].Negate());
missingSeries.SeriesInfo = GetSeriesInfo(meterInfo, meter, dataGroup, ICIndex);
missingSeries.SeriesInfo.Channel.Line = viSeriesList[IAIndex].SeriesInfo.Channel.Line;
viSeriesList[ICIndex] = missingSeries;
}
else if ((object)viSeriesList[IRIndex] == null)
{
missingSeries = viSeriesList[IAIndex];
missingSeries = missingSeries.Add(viSeriesList[IBIndex]);
missingSeries = missingSeries.Add(viSeriesList[ICIndex]);
missingSeries.SeriesInfo = GetSeriesInfo(meterInfo, meter, dataGroup, IRIndex);
missingSeries.SeriesInfo.Channel.Line = viSeriesList[IAIndex].SeriesInfo.Channel.Line;
viSeriesList[IRIndex] = missingSeries;
}
if ((object)missingSeries != null)
{
dataGroup.Add(missingSeries);
}
return(missingSeries);
}
