Class PowerGenerationCapacityStrategy

java.lang.Object
neqsim.process.equipment.capacity.PowerGenerationCapacityStrategy
All Implemented Interfaces:
EquipmentCapacityStrategy
public class PowerGenerationCapacityStrategy extends Object implements EquipmentCapacityStrategy
Capacity strategy for power generation equipment.

This strategy evaluates capacity for gas turbines, steam turbines, HRSG, and combined cycle systems based on constraints including:

  • Power output vs rated power
  • Efficiency vs design efficiency
  • Heat transfer vs design capacity (HRSG)
Version:
1.0
Author:
NeqSim Development Team

  • Field Details

    • DEFAULT_RATED_POWER_KW

      public static final double DEFAULT_RATED_POWER_KW
      Default rated power in kW.
      See Also:

    • DEFAULT_MAX_EXHAUST_TEMP_C

      public static final double DEFAULT_MAX_EXHAUST_TEMP_C
      Default maximum exhaust temperature in Celsius.
      See Also:

    • ratedPowerKW

      private double ratedPowerKW

  • Constructor Details

    • PowerGenerationCapacityStrategy

      public PowerGenerationCapacityStrategy()
      Default constructor.

    • PowerGenerationCapacityStrategy

      public PowerGenerationCapacityStrategy(double ratedPowerKW)
      Constructor with custom rated power.
      Parameters:
      ratedPowerKW - rated power in kW

  • Method Details

    • supports

      public boolean supports(ProcessEquipmentInterface equipment)
      Checks if this strategy supports the given equipment.
      Specified by:
      supports in interface EquipmentCapacityStrategy
      Parameters:
      equipment - the equipment to check
      Returns:
      true if this strategy can evaluate the equipment

    • getPriority

      public int getPriority()
      Gets the priority of this strategy.

      When multiple strategies support the same equipment, the one with higher priority is used. Default priority is 0. Use positive values for more specific strategies.

      Specified by:
      getPriority in interface EquipmentCapacityStrategy
      Returns:
      the priority value (higher = more preferred)

    • getName

      public String getName()
      Gets a descriptive name for this strategy.
      Specified by:
      getName in interface EquipmentCapacityStrategy
      Returns:
      strategy name

    • getEquipmentClass

      public Class<? extends ProcessEquipmentInterface> getEquipmentClass()
      Gets the equipment class this strategy handles.
      Specified by:
      getEquipmentClass in interface EquipmentCapacityStrategy
      Returns:
      the equipment class

    • evaluateCapacity

      public double evaluateCapacity(ProcessEquipmentInterface equipment)
      Evaluates the current capacity utilization of the equipment.

      Returns a value between 0 and 1+ where:

      • 0.0 = no load
      • 1.0 = at design capacity
      • >1.0 = over capacity
      Specified by:
      evaluateCapacity in interface EquipmentCapacityStrategy
      Parameters:
      equipment - the equipment to evaluate
      Returns:
      capacity utilization as a fraction

    • evaluateMaxCapacity

      public double evaluateMaxCapacity(ProcessEquipmentInterface equipment)
      Evaluates the maximum capacity of the equipment.

      Returns the maximum capacity in the equipment's natural units (e.g., flow rate, power, duty).

      Specified by:
      evaluateMaxCapacity in interface EquipmentCapacityStrategy
      Parameters:
      equipment - the equipment to evaluate
      Returns:
      maximum capacity

    • getConstraints

      public Map<String, CapacityConstraint> getConstraints(ProcessEquipmentInterface equipment)
      Gets all capacity constraints for this equipment.

      Returns a map of constraint name to constraint object. The constraints include both the current value and the design/limit values.

      Specified by:
      getConstraints in interface EquipmentCapacityStrategy
      Parameters:
      equipment - the equipment to get constraints for
      Returns:
      map of constraint name to CapacityConstraint

    • addGasTurbineConstraints

      private void addGasTurbineConstraints(Map<String, CapacityConstraint> constraints, GasTurbine gt)
      Adds constraints for gas turbine.
      Parameters:
      constraints - map to add constraints to
      gt - the gas turbine

    • addSteamTurbineConstraints

      private void addSteamTurbineConstraints(Map<String, CapacityConstraint> constraints, SteamTurbine st)
      Adds constraints for steam turbine.
      Parameters:
      constraints - map to add constraints to
      st - the steam turbine

    • addHRSGConstraints

      private void addHRSGConstraints(Map<String, CapacityConstraint> constraints, HRSG hrsg)
      Adds constraints for HRSG.
      Parameters:
      constraints - map to add constraints to
      hrsg - the HRSG

    • addCombinedCycleConstraints

      private void addCombinedCycleConstraints(Map<String, CapacityConstraint> constraints, CombinedCycleSystem ccs)
      Adds constraints for combined cycle system.
      Parameters:
      constraints - map to add constraints to
      ccs - the combined cycle system

    • getViolations

      public List<CapacityConstraint> getViolations(ProcessEquipmentInterface equipment)
      Gets the list of constraint violations for this equipment.

      Returns only the constraints that are currently violated (utilization > 1.0 or outside limits).

      Specified by:
      getViolations in interface EquipmentCapacityStrategy
      Parameters:
      equipment - the equipment to check
      Returns:
      list of violated constraints

    • getBottleneckConstraint

      public CapacityConstraint getBottleneckConstraint(ProcessEquipmentInterface equipment)
      Gets the bottleneck constraint (highest utilization).
      Specified by:
      getBottleneckConstraint in interface EquipmentCapacityStrategy
      Parameters:
      equipment - the equipment to evaluate
      Returns:
      the constraint with highest utilization, or null if none

    • isWithinHardLimits

      public boolean isWithinHardLimits(ProcessEquipmentInterface equipment)
      Checks if the equipment is operating within all hard limits.
      Specified by:
      isWithinHardLimits in interface EquipmentCapacityStrategy
      Parameters:
      equipment - the equipment to check
      Returns:
      true if no hard limits are violated

    • isWithinSoftLimits

      public boolean isWithinSoftLimits(ProcessEquipmentInterface equipment)
      Checks if the equipment is operating within all soft limits (design values).
      Specified by:
      isWithinSoftLimits in interface EquipmentCapacityStrategy
      Parameters:
      equipment - the equipment to check
      Returns:
      true if no soft limits are violated