block PartialController "Interface for heat pump plant controller" /* The following bindings are for parameters that are propagated *up* from the controller to the plant configuration record. All other configuration parameters (e.g. nHp) are propagated *down* from the plant configuration record to the controller. */ parameter Buildings.Templates.Plants.HeatPumps.Configuration.HeatPumpPlant cfg( typCtl=typ, nAirHan=nAirHan, nEquZon=nEquZon, have_senDpHeaWatRemWir=have_senDpHeaWatRemWir, nSenDpHeaWatRem=nSenDpHeaWatRem, have_senDpChiWatRemWir=have_senDpChiWatRemWir, nSenDpChiWatRem=nSenDpChiWatRem) "Plant configuration parameters"; parameter Buildings.Templates.Plants.HeatPumps.Components.Data.Controller dat( cfg=cfg) "Parameter record for controller"; final parameter Integer nHp=cfg.nHp "Number of heat pumps"; parameter Buildings.Templates.Plants.HeatPumps.Types.Controller typ "Type of controller"; parameter Integer nAirHan( final min=if typ <> Buildings.Templates.Plants.HeatPumps.Types.Controller.OpenLoop and nEquZon == 0 then 1 else 0, start=0) "Number of air handling units served by the plant"; parameter Integer nEquZon( final min=if typ <> Buildings.Templates.Plants.HeatPumps.Types.Controller.OpenLoop and nAirHan == 0 then 1 else 0, start=0) "Number of terminal units (zone equipment) served by the plant"; parameter Boolean have_senVHeaWatPri_select(start=false) "Set to true for plants with primary HW flow sensor"; final parameter Boolean have_senVHeaWatPri=cfg.have_heaWat and (if cfg.have_hrc or not have_senVHeaWatSec then true else have_senVHeaWatPri_select) "Set to true for plants with primary HW flow sensor"; // Secondary flow sensor required for secondary HW pump staging. final parameter Boolean have_senVHeaWatSec= cfg.typPumHeaWatSec<>Buildings.Templates.Plants.HeatPumps.Types.PumpsSecondary.None "Set to true for plants with secondary HW flow sensor"; parameter Boolean have_senVChiWatPri_select(start=false) "Set to true for plants with primary CHW flow sensor"; final parameter Boolean have_senVChiWatPri=cfg.have_chiWat and (if cfg.have_hrc or not have_senVChiWatSec then true else have_senVChiWatPri_select) "Set to true for plants with primary CHW flow sensor"; // Secondary flow sensor required for secondary CHW pump staging. final parameter Boolean have_senVChiWatSec= cfg.typPumChiWatSec<>Buildings.Templates.Plants.HeatPumps.Types.PumpsSecondary.None "Set to true for plants with secondary CHW flow sensor"; parameter Boolean have_senTHeaWatPriRet_select(start=false) "Set to true for plants with primary HW return temperature sensor"; final parameter Boolean have_senTHeaWatPriRet=cfg.have_heaWat and (if cfg.have_hrc or not have_senTHeaWatSecRet then true else have_senTHeaWatPriRet_select) "Set to true for plants with primary HW return temperature sensor"; parameter Boolean have_senTChiWatPriRet_select(start=false) "Set to true for plants with primary CHW return temperature sensor"; final parameter Boolean have_senTChiWatPriRet=cfg.have_chiWat and (if cfg.have_hrc or not have_senTChiWatSecRet then true else have_senTChiWatPriRet_select) "Set to true for plants with primary CHW return temperature sensor"; // For primary-secondary plants, SHWST sensor is required for plant staging. final parameter Boolean have_senTHeaWatSecSup= cfg.typPumHeaWatSec<>Buildings.Templates.Plants.HeatPumps.Types.PumpsSecondary.None "Set to true for plants with secondary HW supply temperature sensor"; // For primary-secondary plants, SCHWST sensor is required for plant staging. final parameter Boolean have_senTChiWatSecSup= cfg.typPumChiWatSec<>Buildings.Templates.Plants.HeatPumps.Types.PumpsSecondary.None "Set to true for plants with secondary CHW supply temperature sensor"; parameter Boolean have_senTHeaWatSecRet(start=false) "Set to true for plants with secondary HW return temperature sensor"; parameter Boolean have_senTChiWatSecRet(start=false) "Set to true for plants with secondary CHW return temperature sensor"; parameter Boolean have_senDpHeaWatRemWir=false "Set to true for remote HW differential pressure sensor(s) hardwired to plant or pump controller"; parameter Integer nSenDpHeaWatRem( final min=if typ <> Buildings.Templates.Plants.HeatPumps.Types.Controller.OpenLoop then 1 else 0)=1 "Number of remote HW differential pressure sensors used for HW pump speed control"; parameter Boolean have_senDpChiWatRemWir=have_senDpHeaWatRemWir "Set to true for remote CHW differential pressure sensor(s) hardwired to plant or pump controller"; parameter Integer nSenDpChiWatRem( final min=if typ <> Buildings.Templates.Plants.HeatPumps.Types.Controller.OpenLoop then 1 else 0)=1 "Number of remote CHW differential pressure sensors used for CHW pump speed control"; parameter Boolean have_inpSch(start=false)=false "Set to true to provide schedule via software input point"; final parameter Real schHea[:, 2]=dat.schHea "Heating mode enable schedule"; final parameter Real schCoo[:, 2]=dat.schCoo "Cooling mode enable schedule"; Buildings.Templates.Plants.HeatPumps.Interfaces.Bus bus "Plant control bus"; Buildings.Templates.AirHandlersFans.Interfaces.Bus busAirHan[nAirHan] if nAirHan > 0 "Air handling unit control bus"; Buildings.Templates.ZoneEquipment.Interfaces.Bus busEquZon[nEquZon] if nEquZon > 0 "Terminal unit control bus"; protected Buildings.Templates.Components.Interfaces.Bus busHp[nHp] "Heat pump control bus"; Buildings.Templates.Components.Interfaces.Bus busPumHeaWatPri if cfg.typPumHeaWatPri<>Buildings.Templates.Plants.HeatPumps.Types.PumpsPrimary.None "Primary HW pump control bus"; Buildings.Templates.Components.Interfaces.Bus busPumHeaWatSec if cfg.typPumHeaWatSec == Buildings.Templates.Plants.HeatPumps.Types.PumpsSecondary.Centralized "Secondary HW pump control bus"; Buildings.Templates.Components.Interfaces.Bus busPumChiWatPri if cfg.typPumChiWatPri<>Buildings.Templates.Plants.HeatPumps.Types.PumpsPrimary.None "Primary CHW pump control bus"; Buildings.Templates.Components.Interfaces.Bus busPumChiWatSec if cfg.typPumHeaWatSec == Buildings.Templates.Plants.HeatPumps.Types.PumpsSecondary.Centralized "Secondary CHW pump control bus"; Buildings.Templates.Components.Interfaces.Bus busValHeaWatHpInlIso[nHp] if cfg.have_heaWat and cfg.have_valHpInlIso "Heat pump inlet HW isolation valve control bus"; Buildings.Templates.Components.Interfaces.Bus busValHeaWatHpOutIso[nHp] if cfg.have_heaWat and cfg.have_valHpOutIso "Heat pump outlet HW isolation valve control bus"; Buildings.Templates.Components.Interfaces.Bus busValChiWatHpInlIso[nHp] if cfg.have_chiWat and cfg.have_valHpInlIso "Heat pump inlet CHW isolation valve control bus"; Buildings.Templates.Components.Interfaces.Bus busValChiWatHpOutIso[nHp] if cfg.have_chiWat and cfg.have_valHpOutIso "Heat pump outlet CHW isolation valve control bus"; equation /* Control point connection - start */ connect(busPumHeaWatPri, bus.pumHeaWatPri); connect(busPumChiWatPri, bus.pumChiWatPri); connect(busPumChiWatSec, bus.pumChiWatSec); connect(busPumHeaWatSec, bus.pumHeaWatSec); connect(busHp, bus.hp); connect(busValHeaWatHpInlIso, bus.valHeaWatHpInlIso); connect(busValHeaWatHpOutIso, bus.valHeaWatHpOutIso); connect(busValChiWatHpInlIso, bus.valChiWatHpInlIso); connect(busValChiWatHpOutIso, bus.valChiWatHpOutIso); /* Control point connection - stop */ end PartialController;

model PartialHeatPumpGroup "Interface for heat pump group" replaceable package MediumHeaWat=Buildings.Media.Water constrainedby Modelica.Media.Interfaces.PartialMedium "HW medium"; /* MediumChiWat is for internal use only. It is the same as MediumHeaWat for reversible HP. Non-reversible HP that can be controlled to produce either HW or CHW shall be modeled with chiller components (as a chiller/heater). */ final package MediumChiWat=MediumHeaWat "CHW medium"; /* Derived classes representing AWHP shall use: redeclare final package MediumSou = MediumAir */ replaceable package MediumSou=Buildings.Media.Water constrainedby Modelica.Media.Interfaces.PartialMedium "Source-side medium"; replaceable package MediumAir=Buildings.Media.Air constrainedby Modelica.Media.Interfaces.PartialMedium "Air medium"; parameter Integer nHp( final min=1) "Number of heat pumps"; parameter Buildings.Templates.Components.Types.HeatPump typ "Equipment type"; parameter Boolean is_rev "Set to true for reversible heat pumps, false for heating only"; parameter Buildings.Templates.Components.Types.HeatPumpModel typMod= Buildings.Templates.Components.Types.HeatPumpModel.EquationFit "Type of heat pump model"; parameter Buildings.Templates.Plants.HeatPumps.Components.Data.HeatPumpGroup dat( nHp=nHp, typ=typ, is_rev=is_rev, typMod=typMod, cpHeaWat_default=cpHeaWat_default, cpSou_default=cpSou_default) "Design and operating parameters"; final parameter Buildings.Templates.Components.Data.HeatPump datHp[nHp]( each final is_rev=is_rev, each final typ=typ, each final typMod=typMod, each final cpHeaWat_default=cpHeaWat_default, each final cpSou_default=cpSou_default, each final mHeaWat_flow_nominal=dat.mHeaWatHp_flow_nominal, each final mSouWwCoo_flow_nominal=dat.mSouWwCooHp_flow_nominal, each final TSouHea_nominal=dat.TSouHeaHp_nominal, each final mChiWat_flow_nominal=dat.mChiWatHp_flow_nominal, each final dpSouWwHea_nominal=dat.dpSouWwHeaHp_nominal, each final THeaWatSup_nominal=dat.THeaWatSupHp_nominal, each final dpHeaWat_nominal=dat.dpHeaWatHp_nominal, each final mSouWwHea_flow_nominal=dat.mSouWwHeaHp_flow_nominal, each final TSouCoo_nominal=dat.TSouCooHp_nominal, each final perFit=dat.perFitHp, each final capCoo_nominal=dat.capCooHp_nominal, each final TChiWatSup_nominal=dat.TChiWatSupHp_nominal, each final capHea_nominal=dat.capHeaHp_nominal) "Design and operating parameters - Each heat pump"; final parameter Modelica.Units.SI.MassFlowRate mHeaWatHp_flow_nominal=dat.mHeaWatHp_flow_nominal "Design HW mass flow rate - Each heat pump"; final parameter Modelica.Units.SI.HeatFlowRate capHeaHp_nominal=dat.capHeaHp_nominal "Design heating capacity - Each heat pump"; final parameter Modelica.Units.SI.HeatFlowRate QHeaHp_flow_nominal=abs(capHeaHp_nominal) "Design heating heat flow rate - Each heat pump"; final parameter Modelica.Units.SI.PressureDifference dpHeaWatHp_nominal=dat.dpHeaWatHp_nominal "Design HW pressure drop - Each heat pump"; final parameter Modelica.Units.SI.Temperature THeaWatSupHp_nominal=dat.THeaWatSupHp_nominal "Design HW supply temperature - Each heat pump"; final parameter Modelica.Units.SI.Temperature THeaWatRetHp_nominal=dat.THeaWatRetHp_nominal "Design HW return temperature - Each heat pump"; final parameter Modelica.Units.SI.MassFlowRate mChiWatHp_flow_nominal=dat.mChiWatHp_flow_nominal "Design CHW mass flow rate - Each heat pump"; final parameter Modelica.Units.SI.PressureDifference dpChiWatHp_nominal=dat.dpChiWatHp_nominal "Design CHW pressure drop - Each heat pump"; final parameter Modelica.Units.SI.HeatFlowRate capCooHp_nominal=dat.capCooHp_nominal "Design cooling capacity - Each heat pump"; final parameter Modelica.Units.SI.HeatFlowRate QCooHp_flow_nominal=- abs(capCooHp_nominal) "Design cooling heat flow rate - Each heat pump"; final parameter Modelica.Units.SI.Temperature TChiWatSupHp_nominal=dat.TChiWatSupHp_nominal "Design CHW supply temperature - Each heat pump"; final parameter Modelica.Units.SI.Temperature TChiWatRetHp_nominal=dat.TChiWatRetHp_nominal "Design CHW return temperature - Each heat pump"; final parameter Modelica.Units.SI.MassFlowRate mSouHeaHp_flow_nominal=dat.mSouHeaHp_flow_nominal "Design source fluid mass flow rate in heating mode - Each heat pump"; final parameter Modelica.Units.SI.PressureDifference dpSouHeaHp_nominal=dat.dpSouHeaHp_nominal "Design source fluid pressure drop in heating mode - Each heat pump"; final parameter Modelica.Units.SI.MassFlowRate mSouCooHp_flow_nominal=dat.mSouCooHp_flow_nominal "Design source fluid mass flow rate in cooling mode - Each heat pump"; final parameter Modelica.Units.SI.PressureDifference dpSouCooHp_nominal=dat.dpSouCooHp_nominal "Designs source fluid pressure drop in cooling mode - Each heat pump"; final parameter Modelica.Units.SI.Temperature TSouCooHp_nominal=dat.TSouCooHp_nominal "Design OAT or source fluid supply temperature (condenser entering) in cooling mode - Each heat pump"; final parameter Modelica.Units.SI.Temperature TSouHeaHp_nominal=dat.TSouHeaHp_nominal "Design OAT or source fluid supply temperature (evaporator entering) in heating mode - Each heat pump"; parameter Modelica.Fluid.Types.Dynamics energyDynamics=Modelica.Fluid.Types.Dynamics.DynamicFreeInitial "Type of energy balance: dynamic (3 initialization options) or steady state"; parameter Boolean allowFlowReversal=true "Load side flow reversal: false to simplify equations, assuming, but not enforcing, no flow reversal"; parameter Boolean allowFlowReversalSou=true "Source side flow reversal: false to simplify equations, assuming, but not enforcing, no flow reversal"; parameter Boolean have_preDroChiHeaWat=true "Set to true for CHW/HW pressure drop computed by this model, false for external computation"; parameter Boolean have_preDroSou=true "Set to true for source fluid pressure drop computed by this model, false for external computation"; final parameter MediumHeaWat.SpecificHeatCapacity cpHeaWat_default= MediumHeaWat.specificHeatCapacityCp(staHeaWat_default) "HW default specific heat capacity"; final parameter MediumHeaWat.ThermodynamicState staHeaWat_default=MediumHeaWat.setState_pTX( T=THeaWatSupHp_nominal, p=MediumHeaWat.p_default, X=MediumHeaWat.X_default) "HW default state"; final parameter MediumChiWat.SpecificHeatCapacity cpChiWat_default= MediumChiWat.specificHeatCapacityCp(staChiWat_default) "CHW default specific heat capacity"; final parameter MediumChiWat.ThermodynamicState staChiWat_default=MediumChiWat.setState_pTX( T=TChiWatSupHp_nominal, p=MediumChiWat.p_default, X=MediumChiWat.X_default) "CHW default state"; final parameter MediumSou.SpecificHeatCapacity cpSou_default=MediumSou.specificHeatCapacityCp(staSou_default) "Source fluid default specific heat capacity"; final parameter MediumSou.ThermodynamicState staSou_default=MediumSou.setState_pTX( T=TSouHeaHp_nominal, p=MediumSou.p_default, X=MediumSou.X_default) "Source fluid default state"; Modelica.Fluid.Interfaces.FluidPorts_b ports_bChiHeaWat[nHp]( redeclare each final package Medium=MediumHeaWat, each m_flow( max=if allowFlowReversal then + Modelica.Constants.inf else 0), each h_outflow( start=MediumHeaWat.h_default, nominal=MediumHeaWat.h_default)) "CHW/HW supply"; Modelica.Fluid.Interfaces.FluidPorts_a ports_aChiHeaWat[nHp]( redeclare each final package Medium=MediumHeaWat, each m_flow( min=if allowFlowReversal then - Modelica.Constants.inf else 0), each h_outflow( start=MediumHeaWat.h_default, nominal=MediumHeaWat.h_default)) "CHW/HW return"; Modelica.Fluid.Interfaces.FluidPorts_b ports_bSou[nHp]( redeclare each final package Medium=MediumSou, each m_flow( max=if allowFlowReversalSou then + Modelica.Constants.inf else 0), each h_outflow( start=MediumSou.h_default, nominal=MediumSou.h_default)) "Source fluid return (from heat pumps)"; Modelica.Fluid.Interfaces.FluidPorts_a ports_aSou[nHp]( redeclare each final package Medium=MediumSou, each m_flow( min=if allowFlowReversalSou then - Modelica.Constants.inf else 0), each h_outflow( start=MediumSou.h_default, nominal=MediumSou.h_default)) "Source fluid supply (to heat pumps)"; Buildings.Templates.Plants.HeatPumps.Interfaces.Bus bus "Plant control bus"; Buildings.BoundaryConditions.WeatherData.Bus busWea if typ == Buildings.Templates.Components.Types.HeatPump.AirToWater "Weather bus"; // Diagnostics parameter Boolean show_T=false "= true, if actual temperature at port is computed"; MediumHeaWat.ThermodynamicState sta_aChiHeaWat[nHp]=MediumHeaWat.setState_phX(ports_aChiHeaWat.p, noEvent(actualStream(ports_aChiHeaWat.h_outflow)), noEvent(actualStream(ports_aChiHeaWat.Xi_outflow))) if show_T "CHW/HW medium properties in port_aChiHeaWat"; MediumHeaWat.ThermodynamicState sta_bChiHeaWat[nHp]=MediumHeaWat.setState_phX(ports_bChiHeaWat.p, noEvent(actualStream(ports_bChiHeaWat.h_outflow)), noEvent(actualStream(ports_bChiHeaWat.Xi_outflow))) if show_T "CHW/HW medium properties in port_bChiHeaWat"; MediumSou.ThermodynamicState sta_aSou[nHp]=MediumSou.setState_phX(ports_aSou.p, noEvent(actualStream(ports_aSou.h_outflow)), noEvent(actualStream(ports_aSou.Xi_outflow))) if show_T "Source medium properties in port_aSou"; MediumSou.ThermodynamicState sta_bSou[nHp]=MediumSou.setState_phX(ports_bSou.p, noEvent(actualStream(ports_bSou.h_outflow)), noEvent(actualStream(ports_bSou.Xi_outflow))) if show_T "Source medium properties in port_bSou"; protected Buildings.Templates.Components.Interfaces.Bus busHp[nHp] "Heat pump control bus"; equation connect(bus.hp, busHp); end PartialHeatPumpGroup;