public void PowerPlanLoad_WindTurbine_NeedToCalculateRealPowerAndToFloorToOneDigitAfterDecimalPoint()
{
// Arrange & Act
var result = new PowerPlantLoad("Test", PowerPlantType.WindTurbine, 0, 85, 25.4m, 0);
// Assert
result.RealPMin.Should().Be(0);
result.RealPMax.Should().Be(21.5m);
}
public void PowerPlanLoad_GasFiredWithPMinAndPMaxAsInteger_NoNeedToChangePMinAndPMax()
{
// Arrange & Act
var result = new PowerPlantLoad("Test", PowerPlantType.GasFired, 100, 200, 80, 0);
// Assert
result.RealPMin.Should().Be(100);
result.RealPMax.Should().Be(200);
}
public void PowerPlanLoad_WindTurbine_NeedToCalculateRealPowerButNoNeedToFloor()
{
// Arrange & Act
var result = new PowerPlantLoad("Test", PowerPlantType.WindTurbine, 0, 36, 60, 0);
// Assert
result.RealPMin.Should().Be(0);
result.RealPMax.Should().Be(21.6m);
}
/// <summary>
/// Calculate how much power the powerplant will deliver in order to achieve the requested load
/// </summary>
private static (decimal, decimal) CalculateOutputPowerPlant(PowerPlantLoad powerPlantLoad,
IEnumerable <PowerPlantLoad> previousPowerPlantLoads, decimal remainingLoadToPlan)
{
// The request load is already supplied, so no need to power this powerplant
if (remainingLoadToPlan == 0)
{
return(0, 0);
}
// The load needed is between RealPMin and RealPMax so use the remaining load as load for this powerplant
if (powerPlantLoad.RealPMin <= remainingLoadToPlan && remainingLoadToPlan <= powerPlantLoad.RealPMax)
{
return(remainingLoadToPlan, 0);
}
// The load needed is greater than RealPMax of the powerplant
// So use maximum power of the plan and subtract it from the remaining
if (remainingLoadToPlan > powerPlantLoad.RealPMax)
{
return(powerPlantLoad.RealPMax, remainingLoadToPlan - powerPlantLoad.RealPMax);
}
// The load needed is lesser than RealPMin of the powerplant
// Calculate the extra power produced by using the RealPMin of this powerplant
var extraPower = powerPlantLoad.RealPMin - remainingLoadToPlan;
var previousPowerPlantLoadsList = previousPowerPlantLoads.ToList();
// Check if we can remove this extra power from previous powerplants already calculated
// If not don't use this powerplant for the load
if (!CanAdaptPreviousPowerPlantLoads(previousPowerPlantLoadsList, extraPower))
{
return(0, remainingLoadToPlan);
}
// Adapt the powers of previous powerplants to remove the extra power and use the RealPMin for this powerplant
AdaptPreviousPowerPlantLoads(previousPowerPlantLoadsList, extraPower);
return(powerPlantLoad.RealPMin, 0);
}
