// Delegate handler to create a new BPA PDCstream frequency definition
internal static IFrequencyDefinition CreateNewDefinition(IConfigurationCell parent, byte[] buffer, int startIndex, out int parsedLength)
{
IFrequencyDefinition frequencyDefinition = new FrequencyDefinition(parent);
parsedLength = frequencyDefinition.ParseBinaryImage(buffer, startIndex, 0);
return(frequencyDefinition);
}
/// <summary>
/// Creates a new <see cref="FrequencyDefinition"/> from the specified parameters.
/// </summary>
/// <param name="parent">The <see cref="ConfigurationCell"/> parent of this <see cref="FrequencyDefinition"/>.</param>
/// <param name="entryValue">The entry value from the INI based configuration file.</param>
public FrequencyDefinition(ConfigurationCell parent, string entryValue)
: base(parent)
{
string[] entry = entryValue.Split(',');
FrequencyDefinition defaultFrequency;
int index = 0;
uint iValue;
double dValue;
if (parent != null)
defaultFrequency = parent.Parent.DefaultFrequency;
else
defaultFrequency = new FrequencyDefinition(null as ConfigurationCell);
// If initial entry is an F - we just ignore this
if (string.Compare(entry[index].Trim(), "F", true) == 0)
index++;
if (entry.Length > index && uint.TryParse(entry[index++].Trim(), out iValue))
ScalingValue = iValue;
else
ScalingValue = defaultFrequency.ScalingValue;
if (entry.Length > index && double.TryParse(entry[index++].Trim(), out dValue))
Offset = dValue;
else
Offset = defaultFrequency.Offset;
if (entry.Length > index && uint.TryParse(entry[index++].Trim(), out iValue))
DfDtScalingValue = iValue;
else
DfDtScalingValue = defaultFrequency.DfDtScalingValue;
if (entry.Length > index && double.TryParse(entry[index++].Trim(), out dValue))
DfDtOffset = dValue;
else
DfDtOffset = defaultFrequency.DfDtOffset;
if (entry.Length > index && uint.TryParse(entry[index++].Trim(), out iValue))
m_dummy = iValue;
else
m_dummy = defaultFrequency.m_dummy;
if (entry.Length > index)
Label = entry[index++].Trim();
else
Label = defaultFrequency.Label;
}
// Static Methods
// Creates frequency information for an INI based BPA PDCstream configuration file
internal static string ConfigFileFormat(IFrequencyDefinition definition)
{
FrequencyDefinition frequency = definition as FrequencyDefinition;
// type, scale, offset, dF/dt scale, dF/dt offset, dummy, label
// F, 1000, 60, 1000, 0, 0, Frequency
if (frequency != null)
{
return("F," + frequency.ScalingValue + "," + frequency.Offset + "," + frequency.DfDtScalingValue + "," + frequency.DfDtOffset + "," + frequency.m_dummy + "," + frequency.Label);
}
else if (definition != null)
{
return("F," + definition.ScalingValue + "," + definition.Offset + "," + definition.DfDtScalingValue + "," + definition.DfDtOffset + ",0," + definition.Label);
}
return("");
}
/// <summary>
/// Creates a new <see cref="FrequencyValue"/> from specified parameters.
/// </summary>
/// <param name="parent">The <see cref="DataCell"/> parent of this <see cref="FrequencyValue"/>.</param>
/// <param name="frequencyDefinition">The <see cref="FrequencyDefinition"/> associated with this <see cref="FrequencyValue"/>.</param>
/// <param name="frequency">The floating point value that represents this <see cref="FrequencyValue"/>.</param>
/// <param name="dfdt">The floating point value that represents the change in this <see cref="FrequencyValue"/> over time.</param>
public FrequencyValue(DataCell parent, FrequencyDefinition frequencyDefinition, double frequency, double dfdt)
: base(parent, frequencyDefinition, frequency, dfdt)
{
}
/// <summary>
/// Creates a new <see cref="FrequencyDefinition"/> from the specified parameters.
/// </summary>
/// <param name="parent">The <see cref="ConfigurationCell"/> parent of this <see cref="FrequencyDefinition"/>.</param>
/// <param name="entryValue">The entry value from the INI based configuration file.</param>
public FrequencyDefinition(ConfigurationCell parent, string entryValue)
: base(parent)
{
string[] entry = entryValue.Split(',');
int index = 0;
FrequencyDefinition defaultFrequency = parent is null ? new FrequencyDefinition(null) : parent.Parent.DefaultFrequency;
// If initial entry is an F - we just ignore this
if (string.Equals(entry[index].Trim(), "F", StringComparison.OrdinalIgnoreCase))
{
index++;
}
if (entry.Length > index && uint.TryParse(entry[index++].Trim(), out uint iValue))
{
ScalingValue = iValue;
}
else
{
ScalingValue = defaultFrequency.ScalingValue;
}
if (entry.Length > index && double.TryParse(entry[index++].Trim(), out double dValue))
{
Offset = dValue;
}
else
{
Offset = defaultFrequency.Offset;
}
if (entry.Length > index && uint.TryParse(entry[index++].Trim(), out iValue))
{
DfDtScalingValue = iValue;
}
else
{
DfDtScalingValue = defaultFrequency.DfDtScalingValue;
}
if (entry.Length > index && double.TryParse(entry[index++].Trim(), out dValue))
{
DfDtOffset = dValue;
}
else
{
DfDtOffset = defaultFrequency.DfDtOffset;
}
if (entry.Length > index && uint.TryParse(entry[index++].Trim(), out iValue))
{
m_dummy = iValue;
}
else
{
m_dummy = defaultFrequency.m_dummy;
}
Label = entry.Length > index ? entry[index].Trim() : defaultFrequency.Label;
}
// Delegate handler to create a new BPA PDCstream frequency definition
internal static IFrequencyDefinition CreateNewDefinition(IConfigurationCell parent, byte[] buffer, int startIndex, out int parsedLength)
{
IFrequencyDefinition frequencyDefinition = new FrequencyDefinition(parent);
parsedLength = frequencyDefinition.ParseBinaryImage(buffer, startIndex, 0);
return frequencyDefinition;
}
// Static Methods
/// <summary>
/// Gets a generated INI configuration file image.
/// </summary>
public static string GetIniFileImage(IConfigurationFrame configFrame)
{
StringBuilder fileImage = new StringBuilder();
fileImage.AppendLine("; BPA PDCstream IniFile for Configuration " + configFrame.IDCode);
fileImage.AppendLine("; Auto-generated on " + DateTime.Now);
fileImage.AppendLine("; Assembly: " + AssemblyInfo.ExecutingAssembly.Name);
fileImage.AppendLine("; Compiled: " + File.GetLastWriteTime(AssemblyInfo.ExecutingAssembly.Location));
fileImage.AppendLine(";");
fileImage.AppendLine(";");
fileImage.AppendLine("; Format:");
fileImage.AppendLine("; Each Column in data file is given a bracketed identifier, numbered in the order it");
fileImage.AppendLine("; appears in the data file, and identified by data type ( PMU, PDC, or other)");
fileImage.AppendLine("; PMU designates column data format from a single PMU");
fileImage.AppendLine("; PDC designates column data format from another PDC which is somewhat different from a single PMU");
fileImage.AppendLine("; Default gives default values for a processing algorithm in case quantities are omitted");
fileImage.AppendLine("; Name= gives the overall station name for print labels");
fileImage.AppendLine("; NumberPhasors= : for PMU data, gives the number of phasors contained in column");
fileImage.AppendLine("; for PDC data, gives the number of PMUs data included in the column");
fileImage.AppendLine("; Note - for PDC data, there will be 2 phasors & 1 freq per PMU");
fileImage.AppendLine("; Quantities within the column are listed by PhasorI=, Frequency=, etc");
fileImage.AppendLine("; Each quantity has 7 comma separated fields followed by an optional comment");
fileImage.AppendLine(";");
fileImage.AppendLine("; Phasor entry format: Type, Ratio, Cal Factor, Offset, Shunt, VoltageRef/Class, Label ;Comments");
fileImage.AppendLine("; Type: Type of measurement, V=voltage, I=current, N=don\'t care, single ASCII character");
fileImage.AppendLine("; Ratio: PT/CT ratio N:1 where N is a floating point number");
fileImage.AppendLine("; Cal Factor: Conversion factor between integer in file and secondary volts, floating point");
fileImage.AppendLine("; Offset: Phase Offset to correct for phase angle measurement errors or differences, floating point");
fileImage.AppendLine("; Shunt: Current- shunt resistence in ohms, or the equivalent ratio for aux CTs, floating point");
fileImage.AppendLine("; Voltage- empty, not used");
fileImage.AppendLine("; VoltageRef: Current- phasor number (1-10) of voltage phasor to use for power calculation, integer");
fileImage.AppendLine("; Voltage- voltage class, standard l-l voltages, 500, 230, 115, etc, integer");
fileImage.AppendLine("; Label: Phasor quantity label for print label, text");
fileImage.AppendLine("; Comments: All text after the semicolon on a line are optional comments not for processing");
fileImage.AppendLine(";");
fileImage.AppendLine("; Voltage Magnitude = MAG(Real,Imaginary) * CalFactor * PTR (line-neutral)");
fileImage.AppendLine("; Current Magnitude = MAG(Real,Imaginary) * CalFactor * CTR / Shunt (phase current)");
fileImage.AppendLine("; Phase Angle = ATAN(Imaginary/Real) + Phase Offset (usually degrees)");
fileImage.AppendLine("; Note: Usually phase Offset is 0, but is sometimes required for comparing measurements");
fileImage.AppendLine("; from different systems or through transformer banks");
fileImage.AppendLine(";");
fileImage.AppendLine("; Frequency entry format: scale, offset, dF/dt scale, dF/dt offset, dummy, label ;Comments");
fileImage.AppendLine("; Frequency = Number / scale + offset");
fileImage.AppendLine("; dF/dt = Number / (dF/dt scale) + (dF/dt offset)");
fileImage.AppendLine(";");
fileImage.AppendLine(";");
fileImage.AppendLine("[DEFAULT]");
fileImage.AppendLine("PhasorV=" + DefaultVoltagePhasorEntry); //PhasorDefinition.ConfigFileFormat(DefaultPhasorV));
fileImage.AppendLine("PhasorI=" + DefaultCurrentPhasorEntry); //PhasorDefinition.ConfigFileFormat(DefaultPhasorI));
fileImage.AppendLine("Frequency=" + DefaultFrequencyEntry); //FrequencyDefinition.ConfigFileFormat(DefaultFrequency));
fileImage.AppendLine();
fileImage.AppendLine("[CONFIG]");
fileImage.AppendLine("SampleRate=" + configFrame.FrameRate);
fileImage.AppendLine("NumberOfPMUs=" + configFrame.Cells.Count);
fileImage.AppendLine();
for (int x = 0; x < configFrame.Cells.Count; x++)
{
fileImage.AppendLine("[" + configFrame.Cells[x].IDLabel + "]");
fileImage.AppendLine("Name=" + configFrame.Cells[x].StationName);
fileImage.AppendLine("PMU=" + x);
fileImage.AppendLine("NumberPhasors=" + configFrame.Cells[x].PhasorDefinitions.Count);
for (int y = 0; y < configFrame.Cells[x].PhasorDefinitions.Count; y++)
{
fileImage.AppendLine("Phasor" + (y + 1) + "=" + PhasorDefinition.ConfigFileFormat(configFrame.Cells[x].PhasorDefinitions[y]));
}
fileImage.AppendLine("Frequency=" + FrequencyDefinition.ConfigFileFormat(configFrame.Cells[x].FrequencyDefinition));
fileImage.AppendLine();
}
return(fileImage.ToString());
}
public void Refresh(bool refreshCausedByFrameParse)
{
// The only time we need an access lock is when we reload the config file...
lock (m_iniFile)
{
if (File.Exists(m_iniFile.FileName))
{
ConfigurationCell pmuCell;
int phasorCount, pmuCount, x, y;
m_defaultPhasorV = new PhasorDefinition(null, 0, m_iniFile["DEFAULT", "PhasorV", DefaultVoltagePhasorEntry]);
m_defaultPhasorI = new PhasorDefinition(null, 0, m_iniFile["DEFAULT", "PhasorI", DefaultCurrentPhasorEntry]);
m_defaultFrequency = new FrequencyDefinition(null, m_iniFile["DEFAULT", "Frequency", DefaultFrequencyEntry]);
FrameRate = ushort.Parse(m_iniFile["CONFIG", "SampleRate", "30"]);
// We read all cells in the config file into their own configuration cell collection - cells parsed
// from the configuration frame will be mapped to their associated config file cell by ID label
// when the configuration cell is parsed from the configuration frame
if (m_configurationFileCells == null)
{
m_configurationFileCells = new ConfigurationCellCollection();
}
m_configurationFileCells.Clear();
// Load phasor data for each section in config file...
foreach (string section in m_iniFile.GetSectionNames())
{
if (section.Length > 0)
{
// Make sure this is not a special section
if (string.Compare(section, "DEFAULT", true) != 0 && string.Compare(section, "CONFIG", true) != 0)
{
// Create new PMU entry structure from config file settings...
phasorCount = int.Parse(m_iniFile[section, "NumberPhasors", "0"]);
// Check for PDC code
int pdcID = int.Parse(m_iniFile[section, "PDC", "-1"]);
if (pdcID == -1)
{
// No PDC entry exists, assume this is a PMU
pmuCell = new ConfigurationCell(this, 0);
pmuCell.IDCode = ushort.Parse(m_iniFile[section, "PMU", Cells.Count.ToString()]);
pmuCell.SectionEntry = section; // This will automatically assign ID label as first 4 digits of section
pmuCell.StationName = m_iniFile[section, "Name", section];
for (x = 0; x < phasorCount; x++)
{
pmuCell.PhasorDefinitions.Add(new PhasorDefinition(pmuCell, x + 1, m_iniFile[section, "Phasor" + (x + 1), DefaultVoltagePhasorEntry]));
}
pmuCell.FrequencyDefinition = new FrequencyDefinition(pmuCell, m_iniFile[section, "Frequency", DefaultFrequencyEntry]);
m_configurationFileCells.Add(pmuCell);
}
else
{
// This is a PDC, need to define one virtual entry for each PMU
pmuCount = int.Parse(m_iniFile[section, "NumberPMUs", "0"]);
for (x = 0; x < pmuCount; x++)
{
// Create a new PMU cell for each PDC entry that exists
pmuCell = new ConfigurationCell(this, 0);
// For BPA INI files, PMUs tradionally have an ID number indexed starting at zero or one - so we multiply
// ID by 1000 and add index to attempt to create a fairly unique ID to help optimize downstream parsing
pmuCell.IDCode = unchecked ((ushort)(pdcID * 1000 + x));
pmuCell.SectionEntry = string.Format("{0}pmu{1}", section, x); // This will automatically assign ID label as first 4 digits of section
pmuCell.StationName = string.Format("{0} - Device {1}", m_iniFile[section, "Name", section], (x + 1));
for (y = 0; y < 2; y++)
{
pmuCell.PhasorDefinitions.Add(new PhasorDefinition(pmuCell, y + 1, m_iniFile[section, "Phasor" + ((x * 2) + (y + 1)), DefaultVoltagePhasorEntry]));
}
pmuCell.FrequencyDefinition = new FrequencyDefinition(pmuCell, m_iniFile[section, "Frequency", DefaultFrequencyEntry]);
m_configurationFileCells.Add(pmuCell);
}
}
}
}
}
// Associate parsed cells with cells defined in INI file
if (m_configurationFileCells.Count > 0 && (Cells != null))
{
ConfigurationCell configurationFileCell = null;
IConfigurationCell configurationCell = null;
if (refreshCausedByFrameParse)
{
// Create a new configuration cell collection that will account for PDC block cells
ConfigurationCellCollection cellCollection = new ConfigurationCellCollection();
ConfigurationCell cell;
// For freshly parsed configuration frames we'll have no PMU's in configuration
// frame for PDCxchng blocks - so we'll need to dynamically create them
for (x = 0; x < Cells.Count; x++)
{
// Get current configuration cell
cell = Cells[x];
// Lookup INI file configuration cell by ID label
m_configurationFileCells.TryGetByIDLabel(cell.IDLabel, out configurationCell);
configurationFileCell = (ConfigurationCell)configurationCell;
if (configurationFileCell == null)
{
// Couldn't find associated INI file cell - just append the parsed cell to the collection
cellCollection.Add(cell);
}
else
{
if (configurationFileCell.IsPdcBlockSection)
{
// This looks like a PDC block section - so we'll keep adding cells for each defined PMU in the PDC block
int index = 0;
do
{
// Lookup PMU by section name
m_configurationFileCells.TryGetBySectionEntry(string.Format("{0}pmu{1}", cell.IDLabel, index), ref configurationFileCell);
// Add PDC block PMU configuration cell to the collection
if (configurationFileCell != null)
{
cellCollection.Add(configurationFileCell);
}
index++;
}while (configurationFileCell != null);
}
else
{
// As far as we can tell from INI file, this is just a regular PMU
cell.ConfigurationFileCell = configurationFileCell;
cellCollection.Add(cell);
}
}
}
// Assign "new" cell collection which will include PMU's from defined PDC blocks
Cells.Clear();
Cells.AddRange(cellCollection);
}
else
{
// For simple INI file updates, we just re-assign INI file cells associating by section entry
foreach (ConfigurationCell cell in Cells)
{
// Attempt to associate this configuration cell with information read from external INI based configuration file
m_configurationFileCells.TryGetBySectionEntry(cell.SectionEntry, ref configurationFileCell);
cell.ConfigurationFileCell = configurationFileCell;
}
}
}
}
else
{
throw new InvalidOperationException("PDC config file \"" + m_iniFile.FileName + "\" does not exist.");
}
}
// In case other classes want to know, we send out a notification that the config file has been reloaded (make sure
// you do this after the write lock has been released to avoid possible dead-lock situations)
if (ConfigurationFileReloaded != null)
{
ConfigurationFileReloaded(this, EventArgs.Empty);
}
}
/// <summary>
/// Creates a new <see cref="FrequencyDefinition"/> from the specified parameters.
/// </summary>
/// <param name="parent">The <see cref="ConfigurationCell"/> parent of this <see cref="FrequencyDefinition"/>.</param>
/// <param name="entryValue">The entry value from the INI based configuration file.</param>
public FrequencyDefinition(ConfigurationCell parent, string entryValue)
: base(parent)
{
string[] entry = entryValue.Split(',');
FrequencyDefinition defaultFrequency;
int index = 0;
uint iValue;
double dValue;
if (parent != null)
{
defaultFrequency = parent.Parent.DefaultFrequency;
}
else
{
defaultFrequency = new FrequencyDefinition(null as ConfigurationCell);
}
// If initial entry is an F - we just ignore this
if (string.Compare(entry[index].Trim(), "F", true) == 0)
{
index++;
}
if (entry.Length > index && uint.TryParse(entry[index++].Trim(), out iValue))
{
ScalingValue = iValue;
}
else
{
ScalingValue = defaultFrequency.ScalingValue;
}
if (entry.Length > index && double.TryParse(entry[index++].Trim(), out dValue))
{
Offset = dValue;
}
else
{
Offset = defaultFrequency.Offset;
}
if (entry.Length > index && uint.TryParse(entry[index++].Trim(), out iValue))
{
DfDtScalingValue = iValue;
}
else
{
DfDtScalingValue = defaultFrequency.DfDtScalingValue;
}
if (entry.Length > index && double.TryParse(entry[index++].Trim(), out dValue))
{
DfDtOffset = dValue;
}
else
{
DfDtOffset = defaultFrequency.DfDtOffset;
}
if (entry.Length > index && uint.TryParse(entry[index++].Trim(), out iValue))
{
m_dummy = iValue;
}
else
{
m_dummy = defaultFrequency.m_dummy;
}
if (entry.Length > index)
{
Label = entry[index++].Trim();
}
else
{
Label = defaultFrequency.Label;
}
}
/// <summary>
/// Creates a new <see cref="FrequencyValue"/> from specified parameters.
/// </summary>
/// <param name="parent">The <see cref="DataCell"/> parent of this <see cref="FrequencyValue"/>.</param>
/// <param name="frequencyDefinition">The <see cref="FrequencyDefinition"/> associated with this <see cref="FrequencyValue"/>.</param>
/// <param name="frequency">The floating point value that represents this <see cref="FrequencyValue"/>.</param>
/// <param name="dfdt">The floating point value that represents the change in this <see cref="FrequencyValue"/> over time.</param>
public FrequencyValue(DataCell parent, FrequencyDefinition frequencyDefinition, double frequency, double dfdt)
: base(parent, frequencyDefinition, frequency, dfdt)
{
}