modelDHN_Substation

Substation for district hot water
Diagram of DHN_Substation

Extends from Base.Systems.

Information

1. Purpose of model

Model of a DHN substation to be used in the energyConverter.

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

(Purely technical component without physical modeling.)

3. Limits of validity

(Purely technical component without physical modeling.)

4. Interfaces

TransiEnt.Basics.Interfaces.Combined.HouseholdDemandIn demand

TransiEnt.Basics.Interfaces.Thermal.FluidPortIn waterPortIn

TransiEnt.Basics.Interfaces.Thermal.FluidPortOut waterPortOut - connection to district heating grid

5. Nomenclature

(no remarks)

6. Governing Equations

(no remarks)

7. Remarks for Usage

(no remarks)

8. Validation

(no remarks)

9. References

(no remarks)

10. Version History

Model created by Anne Hagemeier, Fraunhofer UMSICHT in 2017

Modification by Philipp Huismann, Gas- und Wärme-Institut e.V. in 2020

Parameters

TypeNameDefaultDescription
Booleanel_grid (from Systems)
Booleangas_grid (from Systems)
BooleanDHN (from Systems)
SI.MassFlowRatem_flow_min0.0001Minimum massflow rate
Temperature
SI.TemperatureT_start90 + 273.15Temperature at start of the simulation
RealdT20Constant Temperature Difference between supply and return

Connectors

TypeNameDefaultDescription
TransiEnt.Basics.Interfaces.Combined.HouseholdDemandIndemand (from Systems)Electricity, space heating, water heating
TransiEnt.Basics.Interfaces.Thermal.FluidPortInwaterPortIn (from Systems)
TransiEnt.Basics.Interfaces.Thermal.FluidPortOutwaterPortOut (from Systems)
TransiEnt.Basics.Interfaces.Electrical.ApparentPowerPortepp (from Systems)
TransiEnt.Basics.Interfaces.Gas.RealGasPortIngasPortIn (from Systems)

Components

TypeNameDefaultDescription
TransiEnt.SimCentersimCenter (from Systems)
TransiEnt.Components.Boundaries.Electrical.ApparentPower.ApparentPowerapparentPower
TransiEnt.Producer.Heat.Heat2Heat.Substation_indirect_noStorage_L1substation_indirect_noStorage_L1_1