modelWaterHeaterHeatPumpController
Simple Hysteresis control with Time of Use switch and Auto mode
Information
Hypothesis and equations
For detailed documentation, see WaterHeaterHeatPumpPoly model.
Bibliography
none
Instructions for use
none
Known limits / Use precautions
none
Validations
Validated model - Kévin Deutz 08/2017
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Licensed by EDF under a 3-clause BSD-license
Copyright © EDF 2009 - 2023
BuildSysPro version 3.6.0
Author : Kévin DEUTZ, EDF (2017)
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Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Temperature | T_set | 55 + 273.15 | HPWH setpoint temperature [K] |
| Boolean | activateTOU | false | Activate time of use prioritization |
| Boolean | HP_only | false | HP only mode (no auxiliary back up) |
| Boolean | manualOnOff | false | Activate external manual on/off signal |
| Modelica.Units.SI.Temperature | T_set_low | 45 + 273.15 | HPWH setpoint temperature outside TOU period [K] |
| Modelica.Units.SI.TemperatureDifference | delta_T | 10 | Temperature hysteresis [K] |
| Modelica.Units.SI.Temperature | T_min_HP | 273.15 - 5 | Minimal HPWH operating condition [K] |
| Real | compSpeed | 50 | Compressor operating speed [Hz] |
| Real | compIddleSpeed | 20.0 |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.RealOutput | freq | Compressor frequency [Hz] | |
| Modelica.Blocks.Interfaces.BooleanOutput | OnOff | System on off signal | |
| Modelica.Blocks.Interfaces.RealInput | T_water | Water temperature [K] | |
| Modelica.Blocks.Interfaces.RealInput | T_air | External air temperature [K] | |
| Modelica.Blocks.Interfaces.BooleanOutput | OnOffAuxiliary | Auxiliary on off control | |
| Modelica.Blocks.Interfaces.BooleanInput | onOffSwitch | External on off switch |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Temperature | T_set_cold | HP setpoint temperature at low external air temperatures [K] | |
| Boolean | minHP | HP operating region for the heat pump | |
| Boolean | Hyst | Hysteresis signal | |
| Boolean | HystAux | Hysteresis signal | |
| Boolean | TOU | Time of use tarif signal | |
| Real | initTime | ||
| Integer | day |