.TransiEnt.Producer.Heat.Power2Heat.Heatpump.Heatpump

Information

1. Purpose of model

Simple heat pump with power input specified externally.

2. Level of detail, physical effects considered, and physical insight

Efficiency calculation based on Carnot efficiency.

Relative difference to Carnot efficiency at reference point kept at all operating points

3. Limits of validity

(no remarks)

4. Interfaces

   TransiEnt.Basics.Interfaces.Thermal.TemperatureIn_K T_set

   TransiEnt.Basics.Interfaces.Electrical.ElectricPowerIn P_set_el

   TransiEnt.Basics.Interfaces.Thermal.HeatFlowRateOut Heat_output

5. Nomenclature

(no elements)

6. Governing Equations

COP_Carnot=(T_set+Delta_T_internal)/max(2*Delta_T_internal, T_set + 2*Delta_T_internal - T_source_internal)

COP=COP_Carnot*eta_HP

7. Remarks for Usage

(no remarks)

8. Validation

not validated yet

9. References

(no remarks)

10. Version History

Model from TransiEnt 1.1.0 modified by Anne Hagemeier (anne.hagemeier@umsicht.fraunhofer.de), Jan 2019

Contents

Name	Description
ProducerCosts
PowerPortModel	Choice of power port
heatFlowBoundaryModel
PowerBoundaryModel	Choice of power boundary model. The power boundary model must match the power port.