modelController_PV
Information
1. Purpose of model
Partial model of controller for heat pumps that use excess PV power
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
(no remarks)
5. Nomenclature
(no elements)
6. Governing Equations
(no equations)
7. Remarks for Usage
(no remarks)
8. Validation
(no validation or testing necessary)
9. References
(no remarks)
10. Version History
Created by Anne Hagemeier (anne.hagemeier@umsicht.fraunhofer.de), June 2018
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Configuration | |||
| Boolean | control_SoC | false | Choose controlled variable, 'true'=SoC, 'false'=Storage temperature |
| Boolean | CalculatePHeater | false | If true, electrical heater power output is calculated for bivalent heat pump operation |
| Boolean | Modulating | false | true: modulating heat pump operation, false: static operation with P_n |
| Boolean | MinTimes | true | If true, minimum operation and shutoff times are considered |
| Heatpump | |||
| Modelica.Units.SI.Power | Q_flow_n | 5000 | Nominal heating power of Heatpump |
| SI.Power | P_elHeater | 5000 | Nominal electrical power of the electrical heater |
| Control parameters | |||
| SI.TemperatureDifference | Delta_T_db | 2 | Deadband of hysteresis control |
| SI.Time | t_min_on | 3600 | Minimum on time |
| SI.Time | t_min_off | 600 | Minimum off time |
| Basics.Types.OnOffRelaisStatus | init_state | TransiEnt.Basics.Types.on_ready | State of relais at initialization |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.Basics.Interfaces.General.TemperatureIn | T | ||
| Basics.Interfaces.Thermal.HeatFlowRateOut | Q_flow_set_HP | ||
| TransiEnt.Basics.Interfaces.Electrical.ElectricPowerOut | P_set_electricHeater | ||
| Modelica.Blocks.Interfaces.RealInput | SoC | ||
| Basics.Interfaces.General.TemperatureIn | T_set | ||
| Basics.Interfaces.Electrical.ElectricPowerIn | PV_excess |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.SimCenter | simCenter |