modelVariableSpeed
Variable speed DX cooling coil
Extends from Buildings.Fluid.DXSystems.Cooling.BaseClasses.PartialDXCoolingCoil.
Information
This model can be used to simulate an air source DX cooling coil with continuously variable speed compressors. The control input is the speed ratio. The coil will switch off if the speed ratio is below a minimum value.
See Buildings.Fluid.DXSystems.Cooling.UsersGuide for an explanation of the model.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | minSpeRat | Minimum speed ratio | |
| Real | speRatDeaBan | 0.05 | Deadband for minimum speed ratio |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.RealInput | speRat | Speed ratio |
Revisions
-
November 26, 2025, by Michael Wetter:
Updated redeclare and replaceable statements.
This is for issue 4421. -
March 19, 2023 by Xing Lu and Karthik Devaprasad:
Renamed class toVariableSpeedDXCoolingto differentiate it from DX heating coils.
Updated connect statement to reflect name change of instance fromdxCootodxCoi.
Updated formatting. -
March 7, 2022, by Michael Wetter:
Setfinal massDynamics=energyDynamics.
This is for #1542. -
July 28, 2012 by Kaustubh Phalak:
First implementation.