Merge pull request #8627 from NREL/GlobalHVACManager

Global HVACManager, HVACMultiSpeedHeatPump, and HVACDXHeatPumpSystem
NREL · Mar 17, 2021 · 4449c29 · 4449c29 · nrel-bot · Mar 17, 2021
2 parents 192452c + 89c83c3
commit 4449c29
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Showing 8 changed files with 3,222 additions and 2,914 deletions.
diff --git a/src/EnergyPlus/HVACDXHeatPumpSystem.cc b/src/EnergyPlus/HVACDXHeatPumpSystem.cc
diff --git a/src/EnergyPlus/HVACDXHeatPumpSystem.hh b/src/EnergyPlus/HVACDXHeatPumpSystem.hh
@@ -185,13 +185,64 @@ struct HVACDXHeatPumpSystemData : BaseGlobalStruct {
     Array1D_bool CheckEquipName;
     Array1D<HVACDXHeatPumpSystem::DXHeatPumpSystemStruct> DXHeatPumpSystem;
 
+    Real64 QZnReq = 0.001;              // Zone load (W), input to variable-speed DX coil
+    Real64 QLatReq = 0.0;               // Zone latent load, input to variable-speed DX coil
+    Real64 MaxONOFFCyclesperHour = 4.0; // Maximum cycling rate of heat pump [cycles/hr]
+    Real64 HPTimeConstant = 0.0;        // Heat pump time constant [s]
+    Real64 FanDelayTime = 0.0;          // Fan delay time, time delay for the HP's fan to
+    Real64 OnOffAirFlowRatio = 1.0;     // ratio of compressor on flow to average flow over time step
+    bool ErrorsFound = false;    // If errors detected in input
+    int TotalArgs = 0;           // Total number of alpha and numeric arguments (max) for a certain object in the input file
+    bool MySetPointCheckFlag = true;
+    int SpeedNum = 1;                   // speed number of variable speed DX cooling coil
+    Real64 QZnReqr = 0.001;              // Zone load (W), input to variable-speed DX coil
+    Real64 QLatReqr = 0.0;               // Zone latent load, input to variable-speed DX coil
+    Real64 MaximumONOFFCyclesperHour = 4.0; // Maximum cycling rate of heat pump [cycles/hr]
+    Real64 TimeConstant = 0.0;        // Heat pump time constant [s]
+    Real64 HeatPumpFanDelayTime = 0.0;          // Fan delay time, time delay for the HP's fan to
+    Real64 OnandOffAirFlowRatio = 1.0;     // ratio of compressor on flow to average flow over time step
+    Real64 SpeedRatio = 0.0;            // SpeedRatio varies between 1.0 (higher speed) and 0.0 (lower speed)
+    int SpeedNumber = 1;                // speed number of variable speed DX cooling coil
+    Real64 QZoneReq = 0.001;            // Zone load (W), input to variable-speed DX coil
+    Real64 QLatentReq = 0.0;            // Zone latent load, input to variable-speed DX coil
+    Real64 MaxONOFFCyclesperHr = 4.0;   // Maximum cycling rate of heat pump [cycles/hr]
+    Real64 HPTimeConst = 0.0;           // Heat pump time constant [s]
+    Real64 HPFanDelayTime = 0.0;        // Fan delay time, time delay for the HP's fan to
+    Real64 AirFlowOnOffRatio = 1.0;     // ratio of compressor on flow to average flow over time step
+    Real64 SpeedPartLoadRatio = 1.0;    // SpeedRatio varies between 1.0 (higher speed) and 0.0 (lower speed)
+
     void clear_state() override
     {
         this->GetInputFlag = true;
         this->NumDXHeatPumpSystems = 0;
         this->EconomizerFlag = false;
         this->CheckEquipName.deallocate();
         this->DXHeatPumpSystem.deallocate();
+        this->QZnReq = 0.001;
+        this->QLatReq = 0.0;
+        this->MaxONOFFCyclesperHour = 4.0;
+        this->HPTimeConstant = 0.0;
+        this->FanDelayTime = 0.0;
+        this->OnOffAirFlowRatio = 1.0;
+        this->ErrorsFound = false;
+        this->TotalArgs = 0;
+        this->MySetPointCheckFlag = true;
+        this->SpeedNum = 1;
+        this->QZnReq = 0.001;
+        this->QLatReq = 0.0;
+        this->MaxONOFFCyclesperHour = 4.0;
+        this->HPTimeConstant = 0.0;
+        this->FanDelayTime = 0.0;
+        this->OnOffAirFlowRatio = 1.0;
+        this->SpeedRatio = 0.0;
+        this->SpeedNumber = 1;
+        this->QZoneReq = 0.001;
+        this->QLatentReq = 0.0;
+        this->MaxONOFFCyclesperHr = 4.0;
+        this->HPTimeConst = 0.0;
+        this->HPFanDelayTime = 0.0;
+        this->AirFlowOnOffRatio = 1.0;
+        this->SpeedPartLoadRatio = 1.0; 
     }
 };
 

diff --git a/src/EnergyPlus/HVACManager.cc b/src/EnergyPlus/HVACManager.cc
diff --git a/src/EnergyPlus/HVACManager.hh b/src/EnergyPlus/HVACManager.hh
@@ -62,26 +62,16 @@ struct EnergyPlusData;
 
 namespace HVACManager {
 
-    // Data
-    // MODULE PARAMETER DEFINITIONS:
-    // na
-
-    // MODULE VARIABLE DECLARATIONS:
-
-    extern int HVACManageIteration; // counts iterations to enforce maximum iteration limit
-    extern int RepIterAir;
-
     // SUBROUTINE SPECIFICATIONS FOR MODULE PrimaryPlantLoops
     // and zone equipment simulations
 
     // Functions
-    void clear_state();
-
     void ManageHVAC(EnergyPlusData &state);
 
     void SimHVAC(EnergyPlusData &state);
 
-    void SimSelectedEquipment(EnergyPlusData &state, bool &SimAirLoops,         // True when the air loops need to be (re)simulated
+    void SimSelectedEquipment(EnergyPlusData &state,
+                              bool &SimAirLoops,         // True when the air loops need to be (re)simulated
                               bool &SimZoneEquipment,    // True when zone equipment components need to be (re)simulated
                               bool &SimNonZoneEquipment, // True when non-zone equipment components need to be (re)simulated
                               bool &SimPlantLoops,       // True when the main plant loops need to be (re)simulated
@@ -111,11 +101,38 @@ namespace HVACManager {
 
 } // namespace HVACManager
 
-struct HVACManagerData : BaseGlobalStruct {
+struct HVACManagerData : BaseGlobalStruct
+{
+
+    int HVACManageIteration = 0; // counts iterations to enforce maximum iteration limit
+    int RepIterAir = 0;
+    bool SimHVACIterSetup = false;
+    bool TriggerGetAFN = true;
+    bool ReportAirHeatBalanceFirstTimeFlag = true;
+    bool MyOneTimeFlag = true;
+    bool PrintedWarmup = false;
+    bool MyEnvrnFlag = true;
+    bool DebugNamesReported = false;
+    bool MySetPointInit = true;
+    bool MyEnvrnFlag2 = true;
+    bool FlowMaxAvailAlreadyReset = false;
+    bool FlowResolutionNeeded = false;
 
     void clear_state() override
     {
-
+        HVACManageIteration = 0;
+        RepIterAir = 0;
+        SimHVACIterSetup = false;
+        TriggerGetAFN = true;
+        ReportAirHeatBalanceFirstTimeFlag = true;
+        MyOneTimeFlag = true;
+        PrintedWarmup = false;
+        MyEnvrnFlag = true;
+        DebugNamesReported = false;
+        MySetPointInit = true;
+        MyEnvrnFlag2 = true;
+        FlowMaxAvailAlreadyReset = false;
+        FlowResolutionNeeded = false;
     }
 };