modelElectricHeater_PV_oriented
Extends from TransiEnt.Consumer.Systems.HouseholdEnergyConverter.Systems.Control_elHeater.Base.Controller_elHeater, TransiEnt.Basics.Icons.Controller (Icon for controller).
Information
1. Purpose of model
Control model for an electric heater in combination with a PV plant. The heater will be switched on in case of PV power exceeding the electrical demand of the household and if the storage tank is not full.
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
Modelica.Blocks.Interfaces.RealInput SoC
TransiEnt.Basics.Interfaces.Thermal.HeatFlowRateOut Q_flow_set_boiler
TransiEnt.Basics.Interfaces.Electrical.ElectricPowerOut P_set_electricHeater
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
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | uLow_Boiler | 0.4 | Lower SOC limit |
| Real | uHigh_Boiler | 0.8 | Upper SOC limit to switch off the boiler |
| Real | uSet_Boiler | 0.7 | SOC Setpoint for boiler operation |
| Real | uLow_Heater | 0.6 | Lower SOC limit to switch on the heater |
| Real | uHigh_Heater | 1 | Upper SOC limit to switch off the heater |
| Real | Threshold | 0.5 | Threshold of PV infeed power to start heater operation |
| SI.Power | P_elHeater | 3000 | Nominal electrical power of the electrical heater |
| SI.Power | Q_flow_n_boiler | 10000 | Nominal electrical power of the gas boiler |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.Basics.Interfaces.Thermal.HeatFlowRateOut | Q_flow_set_boiler (from Controller_elHeater) | ||
| TransiEnt.Basics.Interfaces.Electrical.ElectricPowerIn | PV_excess (from Controller_elHeater) | ||
| TransiEnt.Basics.Interfaces.Electrical.ElectricPowerOut | P_set_electricHeater (from Controller_elHeater) | ||
| Modelica.Blocks.Interfaces.RealInput | SoC (from Controller_elHeater) |