modelIntegratedPrimaryLoadSide

Integrated WSE on the load side in a primary-only chilled water system

Extends from Modelica.Icons.Example, Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.BaseClasses.PartialPlant.

Information

This example demonstrates how the model responses according to different cooling mode signals (free cooling mode, partially mechanical cooling and fully mechanical cooling).

The reponses are also compared with a second case where the PI controller in the WSE is reset every 1800s.

Parameters

TypeNameDefaultDescription
Fluid.Movers.Data.GenericperPumPump performance data

Components

TypeNameDefaultDescription
Buildings.Applications.DataCenters.ChillerCooled.Equipment.IntegratedPrimaryLoadSideintWSEPri1Integrated waterside economizer on the load side of the primary-only chilled water system
Modelica.Blocks.Sources.ConstantyPumConrol signal for pumps
Modelica.Blocks.Sources.RealExpressionyVal5On/off signal for valve 5
Modelica.Blocks.Sources.RealExpressionyVal6On/off signal for valve 6
Buildings.Fluid.Sources.Boundary_pTsou2Source on medium 2 side
Buildings.Applications.DataCenters.ChillerCooled.Equipment.IntegratedPrimaryLoadSideintWSEPri2Integrated waterside economizer on the load side of the primary-only chilled water system with PI controller reset
Buildings.Fluid.Sensors.TemperatureTwoPortTSup2
Modelica.Blocks.Sources.BooleanPulsetriTrigger controller reset

Revisions

  • April 14, 2022, by Michael Wetter:
    Avoided duplicate model instances with different declarations.
    This is for issue 2963.
  • January 28, 2019, by Yangyang Fu:
    Added test case for PI controller reset.
  • January 12, 2019, by Michael Wetter:
    Removed wrong use of each.
  • September 11, 2017, by Michael Wetter:
    Corrected wrong use of replaceable model in the base class.
    This is for issue 921.
  • July 22, 2017, by Yangyang Fu:
    First implementation.