public Tuple <double, double> Calculate(BivalentSimulation.Mode simulationMode)
{
double additionalSource = 0;
double heatPumpUtilization = (CurrentHeatLoss / HeatPumpMaxCapacity) * 100;
HeatPumpOff = false;
switch (simulationMode)
{
// calculate additional source only when we cross bivalent point
case BivalentSimulation.Mode.AlternativeBivalent when CurrentHeatLoss > CapacityAtBivalentPoint:
additionalSource = (CurrentHeatLoss / AdditionalSourceMaxCapacity) * 100;
HeatPumpOff = true;
break;
case BivalentSimulation.Mode.AlternativeBivalent:
additionalSource = 0;
break;
// in parallel bivalent mode add additional source only when we cross bivalent point
case BivalentSimulation.Mode.ParallelBivalent when CurrentHeatLoss > CapacityAtBivalentPoint:
additionalSource = ((CurrentHeatLoss - HeatPumpMaxCapacity) / AdditionalSourceMaxCapacity) * 100;
if (additionalSource < 0)
{
additionalSource = 0;
}
break;
case BivalentSimulation.Mode.PartiallyBivalent:
if (CurrentHeatLoss >= CapacityAtBivalentPoint && CurrentHeatLoss <= AdditionalHeatSourceOnlyCapacity)
{
double capacityDifference = CurrentHeatLoss - CapacityAtBivalentPoint;
// not % cause we use it in calculation below
heatPumpUtilization = (CurrentHeatLoss - capacityDifference / 2) / HeatPumpMaxCapacity;
// heat pump doesn't have spare capacity
// so the additional heat source is covering the whole heat loss BUT heat pump is still ON
if (heatPumpUtilization > 1)
{
additionalSource = ((CurrentHeatLoss - HeatPumpMaxCapacity) / AdditionalSourceMaxCapacity) * 100;
}
else
{
// heat pump has some spare capacity
additionalSource = (((CurrentHeatLoss - heatPumpUtilization * HeatPumpMaxCapacity)) /
AdditionalSourceMaxCapacity) * 100;
}
// to %
heatPumpUtilization *= 100;
}
else if (CurrentHeatLoss > AdditionalHeatSourceOnlyCapacity)
{
additionalSource = (CurrentHeatLoss / AdditionalSourceMaxCapacity) * 100;
// signalizing that the heat pump is OFF
HeatPumpOff = true;
}
else
{
additionalSource = 0;
}
break;
}
heatPumpUtilization = Math.Round(heatPumpUtilization, 3);
additionalSource = Math.Round(additionalSource, 3);
return(new Tuple <double, double>(heatPumpUtilization, additionalSource));
}
public void RedrawGraph(CartesianChart graph, BivalentSimulation.Mode simulationMode)
{
//TODO check if the input makes sense like MAX > MIN etc...
// setting minimal values of x Axis
if (graph.AxisX.Count > 0)
{
graph.AxisX[0].MinValue = AmbientMinTemp;
graph.AxisX[0].MaxValue = AmbientMaxTemp;
}
// line of object heat losses
//TODO check if Min > Zero load temp
double topPoint = HeatLossCoefficient * (ZeroLoadTemp - AmbientMinTemp);
CapacityAtBivalentPoint = HeatLossCoefficient * (ZeroLoadTemp - BivalentTemp);
_heatLossCollection[0].Values = new ChartValues <ObservablePoint>
{
new ObservablePoint(AmbientMinTemp, topPoint),
new ObservablePoint(ZeroLoadTemp, 0)
};
if (simulationMode != BivalentSimulation.Mode.Monovalent)
{
_bivalentPointColumnSeries.Values = new ChartValues <ObservablePoint>
{
new ObservablePoint(BivalentTemp, CapacityAtBivalentPoint)
};
if (graph.Series != null && graph.Series.Contains(_bivalentPointColumnSeries))
{
_heatLossCollection.Remove(_bivalentPointColumnSeries);
_heatLossCollection.Add(_bivalentPointColumnSeries);
}
else
{
_heatLossCollection.Add(_bivalentPointColumnSeries);
}
if (simulationMode == BivalentSimulation.Mode.PartiallyBivalent)
{
AdditionalHeatSourceOnlyCapacity = HeatLossCoefficient * (ZeroLoadTemp - AdditionalSourceOnlyTemp);
_additionalHeatSourceOnlyPoint.Values = new ChartValues <ObservablePoint>
{
new ObservablePoint(AdditionalSourceOnlyTemp, AdditionalHeatSourceOnlyCapacity)
};
if (graph.Series != null && graph.Series.Contains(_additionalHeatSourceOnlyPoint))
{
_heatLossCollection.Remove(_additionalHeatSourceOnlyPoint);
_heatLossCollection.Add(_additionalHeatSourceOnlyPoint);
}
else
{
_heatLossCollection.Add(_additionalHeatSourceOnlyPoint);
}
}
else // if the mode is not partially bivalent delete the line
{
_heatLossCollection.Remove(_additionalHeatSourceOnlyPoint);
}
}
else // if the mode is monovalent
{
_heatLossCollection.Remove(_additionalHeatSourceOnlyPoint);
_heatLossCollection.Remove(_bivalentPointColumnSeries);
}
graph.Series = _heatLossCollection;
}