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47 :
48 : #ifndef ICEngineElectricGenerator_hh_INCLUDED
49 : #define ICEngineElectricGenerator_hh_INCLUDED
50 :
51 : // ObjexxFCL Headers
52 : #include <ObjexxFCL/Array1D.hh>
53 :
54 : // EnergyPlus Headers
55 : #include <EnergyPlus/Data/BaseData.hh>
56 : #include <EnergyPlus/DataGlobalConstants.hh>
57 : #include <EnergyPlus/DataGlobals.hh>
58 : #include <EnergyPlus/ElectricPowerServiceManager.hh>
59 : #include <EnergyPlus/EnergyPlus.hh>
60 : #include <EnergyPlus/PlantComponent.hh>
61 : #include <EnergyPlus/UtilityRoutines.hh>
62 :
63 : namespace EnergyPlus {
64 :
65 : // Forward declarations
66 : struct EnergyPlusData;
67 :
68 : namespace Curve {
69 : struct Curve;
70 : }
71 :
72 : namespace ICEngineElectricGenerator {
73 :
74 : Real64 constexpr ReferenceTemp(25.0); // Reference temperature by which lower heating
75 : // value is reported. This should be subtracted
76 : // off of when calculated exhaust energies.
77 :
78 : struct ICEngineGeneratorSpecs : PlantComponent
79 : {
80 : // Members
81 : std::string Name; // user identifier
82 : std::string TypeOf; // Type of Generator
83 : GeneratorType CompType_Num;
84 : Constant::eFuel FuelType; // Type of Fuel - DIESEL, GASOLINE, GAS
85 : Real64 RatedPowerOutput; // W - design nominal capacity of Generator
86 : int ElectricCircuitNode; // Electric Circuit Node
87 : Real64 MinPartLoadRat; // (IC ENGINE MIN) min allowed operating frac full load
88 : Real64 MaxPartLoadRat; // (IC ENGINE MAX) max allowed operating frac full load
89 : Real64 OptPartLoadRat; // (IC ENGINE BEST) optimal operating frac full load
90 : Real64 ElecOutputFuelRat; // (RELDC) Ratio of Generator output to Fuel Energy Input
91 : Curve::Curve *ElecOutputFuelCurve = nullptr; // Curve for generator output to Fuel Energy Input Coeff Poly Fit
92 : Real64 RecJacHeattoFuelRat; // (RJACDC) Ratio of Recoverable Jacket Heat to Fuel Energy Input
93 : Curve::Curve *RecJacHeattoFuelCurve = nullptr; // Curve for Ratio of Recoverable Jacket Heat to
94 : // Fuel Energy Input Coeff Poly Fit
95 : Real64 RecLubeHeattoFuelRat; // (RLUBDC) Ratio of Recoverable Lube Oil Heat to Fuel Energy Input
96 : Curve::Curve *RecLubeHeattoFuelCurve = nullptr; // Curve for Ratio of Recoverable Lube Oil Heat to
97 : // Fuel Energy Input Coef Poly Fit
98 : Real64 TotExhausttoFuelRat; // (REXDC) Total Exhaust heat Input to Fuel Energy Input
99 : Curve::Curve *TotExhausttoFuelCurve = nullptr; // Curve for Total Exhaust heat Input to Fuel Energy Input
100 : // Coeffs Poly Fit
101 : Real64 ExhaustTemp; // (TEXDC) Exhaust Gas Temp to Fuel Energy Input
102 : Curve::Curve *ExhaustTempCurve = nullptr; // Curve for Exhaust Gas Temp to Fuel Energy Input Coeffs Poly Fit
103 : int ErrExhaustTempIndex; // error index for temp curve
104 : Real64 UA; // (UACDC) exhaust gas Heat Exchanger UA to Capacity
105 : Array1D<Real64> UACoef; // Heat Exchanger UA Coeffs Poly Fit
106 : Real64 MaxExhaustperPowerOutput; // MAX EXHAUST FLOW PER W DSL POWER OUTPUT COEFF
107 : Real64 DesignMinExitGasTemp; // Steam Saturation Temperature
108 : Real64 FuelHeatingValue; // Heating Value of Fuel in kJ/kg
109 : Real64 DesignHeatRecVolFlowRate; // m3/s, Design Water mass flow rate through heat recovery loop
110 : Real64 DesignHeatRecMassFlowRate; // kg/s, Design Water mass flow rate through heat recovery loop
111 : bool HeatRecActive; // True if Heat Rec Design Vol Flow Rate > 0
112 : int HeatRecInletNodeNum; // Node number on the heat recovery inlet side of the condenser
113 : int HeatRecOutletNodeNum; // Node number on the heat recovery outlet side of the condenser
114 : Real64 HeatRecInletTemp; // Inlet Temperature of the heat recovery fluid
115 : Real64 HeatRecOutletTemp; // Outlet Temperature of the heat recovery fluid
116 : Real64 HeatRecMdotDesign; // reporting: Heat Recovery Loop Mass flow rate
117 : Real64 HeatRecMdotActual;
118 : Real64 QTotalHeatRecovered; // total heat recovered (W)
119 : Real64 QJacketRecovered; // heat recovered from jacket (W)
120 : Real64 QLubeOilRecovered; // heat recovered from lube (W)
121 : Real64 QExhaustRecovered; // exhaust gas heat recovered (W)
122 : Real64 FuelEnergyUseRate; // Fuel Energy used (W)
123 : Real64 TotalHeatEnergyRec; // total heat recovered (J)
124 : Real64 JacketEnergyRec; // heat recovered from jacket (J)
125 : Real64 LubeOilEnergyRec; // heat recovered from lube (J)
126 : Real64 ExhaustEnergyRec; // exhaust gas heat recovered (J)
127 : Real64 FuelEnergy; // Fuel Energy used (J)
128 : Real64 FuelMdot; // Fuel Amount used (Kg/s)
129 : Real64 ExhaustStackTemp; // Exhaust Stack Temperature (C)
130 : Real64 ElecPowerGenerated; // Electric Power Generated (W)
131 : Real64 ElecEnergyGenerated; // Amount of Electric Energy Generated (J)
132 : Real64 HeatRecMaxTemp; // Max Temp that can be produced in heat recovery
133 : PlantLocation HRPlantLoc; // cooling water plant loop component index, for heat recovery
134 : bool MyEnvrnFlag;
135 : bool MyPlantScanFlag;
136 : bool MySizeAndNodeInitFlag;
137 : bool CheckEquipName;
138 : bool myFlag;
139 :
140 : // Default Constructor
141 1 : ICEngineGeneratorSpecs()
142 2 : : TypeOf("Generator:InternalCombustionEngine"), CompType_Num(GeneratorType::ICEngine), RatedPowerOutput(0.0), ElectricCircuitNode(0),
143 1 : MinPartLoadRat(0.0), MaxPartLoadRat(0.0), OptPartLoadRat(0.0), ElecOutputFuelRat(0.0), RecJacHeattoFuelRat(0.0),
144 1 : RecLubeHeattoFuelRat(0.0), TotExhausttoFuelRat(0.0), ExhaustTemp(0.0), ErrExhaustTempIndex(0), UA(0.0), UACoef(2, 0.0),
145 1 : MaxExhaustperPowerOutput(0.0), DesignMinExitGasTemp(0.0), FuelHeatingValue(0.0), DesignHeatRecVolFlowRate(0.0),
146 1 : DesignHeatRecMassFlowRate(0.0), HeatRecActive(false), HeatRecInletNodeNum(0), HeatRecOutletNodeNum(0), HeatRecInletTemp(0.0),
147 1 : HeatRecOutletTemp(0.0), HeatRecMdotDesign(0.0), HeatRecMdotActual(0.0), QTotalHeatRecovered(0.0), QJacketRecovered(0.0),
148 1 : QLubeOilRecovered(0.0), QExhaustRecovered(0.0), FuelEnergyUseRate(0.0), TotalHeatEnergyRec(0.0), JacketEnergyRec(0.0),
149 1 : LubeOilEnergyRec(0.0), ExhaustEnergyRec(0.0), FuelEnergy(0.0), FuelMdot(0.0), ExhaustStackTemp(0.0), ElecPowerGenerated(0.0),
150 1 : ElecEnergyGenerated(0.0), HeatRecMaxTemp(0.0), HRPlantLoc{}, MyEnvrnFlag(true), MyPlantScanFlag(true), MySizeAndNodeInitFlag(true),
151 2 : CheckEquipName(true), myFlag(true)
152 : {
153 1 : }
154 :
155 : void simulate([[maybe_unused]] EnergyPlusData &state,
156 : const PlantLocation &calledFromLocation,
157 : bool FirstHVACIteration,
158 : Real64 &CurLoad,
159 : bool RunFlag) override;
160 :
161 : void InitICEngineGenerators(EnergyPlusData &state, bool RunFlag, bool FirstHVACIteration);
162 :
163 : void CalcICEngineGeneratorModel(EnergyPlusData &state, bool RunFlag, Real64 MyLoad);
164 :
165 : void CalcICEngineGenHeatRecovery(EnergyPlusData &state, Real64 EnergyRecovered, Real64 HeatRecMdot, Real64 &HRecRatio);
166 :
167 : void update(EnergyPlusData &state);
168 :
169 : void setupOutputVars(EnergyPlusData &state);
170 :
171 : void getDesignCapacities(EnergyPlusData &state,
172 : [[maybe_unused]] const PlantLocation &calledFromLocation,
173 : Real64 &MaxLoad,
174 : Real64 &MinLoad,
175 : Real64 &OptLoad) override;
176 :
177 : static PlantComponent *factory(EnergyPlusData &state, std::string const &objectName);
178 :
179 : void oneTimeInit(EnergyPlusData &state) override;
180 : };
181 :
182 : void GetICEngineGeneratorInput(EnergyPlusData &state);
183 :
184 : } // namespace ICEngineElectricGenerator
185 :
186 : struct ICEngineElectricGeneratorData : BaseGlobalStruct
187 : {
188 :
189 : int NumICEngineGenerators = 0; // number of IC ENGINE Generators specified in input
190 : bool getICEInput = true; // When TRUE, calls subroutine to read input file.
191 : Array1D<ICEngineElectricGenerator::ICEngineGeneratorSpecs> ICEngineGenerator; // dimension to number of machines
192 :
193 2126 : void init_constant_state([[maybe_unused]] EnergyPlusData &state) override
194 : {
195 2126 : }
196 :
197 1152 : void init_state([[maybe_unused]] EnergyPlusData &state) override
198 : {
199 1152 : }
200 :
201 2100 : void clear_state() override
202 : {
203 2100 : this->getICEInput = true;
204 2100 : this->NumICEngineGenerators = 0;
205 2100 : this->ICEngineGenerator.deallocate();
206 2100 : }
207 : };
208 :
209 : } // namespace EnergyPlus
210 :
211 : #endif
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