blockTankValveController
Controller to divert the water to the middle or bottom of the tank
Information
Controller that outputs the commanded position for the valve that diverts the return water to the middle or bottom of the tank.
The controller changes its commanded valve position continuously between 0 and 1.
If the measured temperature TRet is below TSwi, the output is
0, otherwise it is 1. The controller has a hysteresis of 2 Kelvin.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Temperature | TSwi | 318.15 | Switching temperature for return water |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.RealInput | TRet | Return water temperature | |
| Buildings.Controls.OBC.CDL.Interfaces.RealOutput | y | Valve position |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Continuous.LimIntegrator | ram | Ramp signal for valve position | |
| Buildings.Controls.OBC.CDL.Conversions.BooleanToReal | booToRea |
Revisions
-
October 4, 2023, by Michael Wetter:
First implementation.