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47 :
48 : #ifndef FaultsManager_hh_INCLUDED
49 : #define FaultsManager_hh_INCLUDED
50 :
51 : // ObjexxFCL Headers
52 : #include <ObjexxFCL/Array1D.hh>
53 :
54 : // EnergyPlus Headers
55 : #include <EnergyPlus/Data/BaseData.hh>
56 : #include <EnergyPlus/DataGlobals.hh>
57 : #include <EnergyPlus/EnergyPlus.hh>
58 : #include <EnergyPlus/Plant/DataPlant.hh>
59 :
60 : namespace EnergyPlus {
61 :
62 : // Forward declarations
63 : struct EnergyPlusData;
64 :
65 : namespace FaultsManager {
66 :
67 : // Using/Aliasing
68 :
69 : // Data
70 : // MODULE PARAMETER DEFINITIONS
71 :
72 : // DERIVED TYPE DEFINITIONS:
73 :
74 : // MODULE VARIABLE TYPE DECLARATIONS:
75 :
76 : // ControllerTypeEnum
77 : int constexpr iController_AirEconomizer = 1001;
78 :
79 : // Input methods for fouling coils
80 : enum class FouledCoil
81 : {
82 : Invalid = -1,
83 : UARated,
84 : FoulingFactor,
85 : Num
86 : };
87 :
88 : // FaultTypeEnum
89 : enum class FaultType
90 : {
91 : Invalid = -1,
92 : TemperatureSensorOffset_OutdoorAir,
93 : HumiditySensorOffset_OutdoorAir,
94 : EnthalpySensorOffset_OutdoorAir,
95 : TemperatureSensorOffset_ReturnAir,
96 : EnthalpySensorOffset_ReturnAir,
97 : Fouling_Coil,
98 : ThermostatOffset,
99 : HumidistatOffset,
100 : Fouling_AirFilter,
101 : TemperatureSensorOffset_ChillerSupplyWater,
102 : TemperatureSensorOffset_CondenserSupplyWater,
103 : Fouling_Tower,
104 : TemperatureSensorOffset_CoilSupplyAir,
105 : Fouling_Boiler,
106 : Fouling_Chiller,
107 : Fouling_EvapCooler,
108 : Num
109 : };
110 :
111 : // Types of faults under Group Operational Faults in IDD
112 : // 1. Temperature sensor offset (FY14)
113 : // 2. Humidity sensor offset (FY14)
114 : // 3. Enthalpy sensor offset (FY14)
115 : // 4. Fouling coils (FY14)
116 : // 5. Thermostat offset (FY15)
117 : // 6. Humidistat offset (FY15)
118 : // 7. Fouling air filter (FY15)
119 : // 8. Chiller Supply Water Temperature Sensor Offset (FY16)
120 : // 9. Condenser Supply Water Temperature Sensor Offset (FY16)
121 : // 10. Cooling Tower Scaling (FY16)
122 : // 11. Coil Supply Air Temperature Sensor Offset (FY16)
123 : // coming ...
124 : // Fouling: chillers, boilers, cooling towers
125 : // Damper leakage: return air, outdoor air
126 : // Blockage: pipe
127 : // Meter: air flow, water flow
128 : // CO2 sensor
129 : // Pressure sensor offset
130 : // more
131 :
132 : // 'FaultModel:PressureSensorOffset:OutdoorAir ', &
133 : // 'FaultModel:TemperatureSensorOffset:SupplyAir ', &
134 : // 'FaultModel:TemperatureSensorOffset:ZoneAir ', &
135 : // 'FaultModel:Blockage:Branch ', &
136 : // 'FaultModel:Dirty:AirFilter ', &
137 : // 'FaultModel:Fouling:Chiller ', &
138 : // 'FaultModel:Fouling:Boiler ', &
139 : // 'FaultModel:Fouling:CoolingTower ', &
140 : // 'FaultModel:DamperLeakage:ReturnAir ', &
141 : // 'FaultModel:DamperLeakage:OutdoorAir ' /)
142 :
143 : // SUBROUTINE SPECIFICATIONS:
144 :
145 : // Types
146 :
147 : struct FaultProperties // Base Class for operational faults
148 : {
149 : // Members
150 : std::string Name;
151 : FaultType type = FaultType::Invalid;
152 : int availSchedNum = 0;
153 : int severitySchedNum = 0;
154 : Real64 Offset = 0.0; // offset, + means sensor reading is higher than actual value
155 : bool Status = false; // for future use
156 :
157 : // Virtual Destructor
158 49 : virtual ~FaultProperties() = default;
159 :
160 : public:
161 : Real64 CalFaultOffsetAct(EnergyPlusData &state);
162 : };
163 :
164 : struct FaultPropertiesEconomizer : public FaultProperties // Class for fault models related with economizer
165 : {
166 : // Members
167 : int ControllerTypeEnum;
168 : int ControllerID; // Point to a controller associated with the fault
169 : std::string ControllerType; // Controller type
170 : std::string ControllerName; // Controller name
171 :
172 : // Default Constructor
173 1 : FaultPropertiesEconomizer() : ControllerTypeEnum(0), ControllerID(0), ControllerType(""), ControllerName("")
174 : {
175 1 : }
176 :
177 : // Destructor
178 6 : virtual ~FaultPropertiesEconomizer() = default;
179 : };
180 :
181 : struct FaultPropertiesThermostat : public FaultProperties // Class for FaultModel:ThermostatOffset
182 : {
183 : // Members
184 : std::string FaultyThermostatName; // The faulty thermostat name
185 :
186 : // Default Constructor
187 2 : FaultPropertiesThermostat() : FaultyThermostatName("")
188 : {
189 2 : }
190 :
191 : // Destructor
192 18 : virtual ~FaultPropertiesThermostat() = default;
193 : };
194 :
195 : struct FaultPropertiesHumidistat : public FaultProperties // Class for FaultModel:HumidistatOffset
196 : {
197 : // Members
198 : std::string FaultyThermostatName; // The faulty thermostat name
199 : std::string FaultyHumidistatName; // The faulty humidistat name
200 : std::string FaultyHumidistatType; // The faulty humidistat type
201 :
202 : // Default Constructor
203 2 : FaultPropertiesHumidistat() : FaultyThermostatName(""), FaultyHumidistatName(""), FaultyHumidistatType("")
204 : {
205 2 : }
206 :
207 : // Destructor
208 4 : virtual ~FaultPropertiesHumidistat() = default;
209 : };
210 :
211 : struct FaultPropertiesFoulingCoil : public FaultProperties // Class for FaultModel:Fouling:Coil
212 : {
213 : // Members
214 : std::string FouledCoilName; // The fouled coil name
215 : DataPlant::PlantEquipmentType FouledCoilType; // Type of coil that's fouled
216 : int FouledCoilNum; // The "FouledUARated" implies having to use the Coil's UA, which could be autosized, so have to use this index
217 : FouledCoil FoulingInputMethod; // Coil fouling input method
218 : Real64 UAFouled; // Fouling coil UA under rating conditions
219 : Real64 Rfw; // Water side fouling factor
220 : Real64 Rfa; // Air side fouling factor
221 : Real64 Aout; // Coil outside surface area
222 : Real64 Aratio; // Inside to outside surface area ratio
223 :
224 : // Default Constructor
225 1 : FaultPropertiesFoulingCoil()
226 1 : : FouledCoilName(""), FouledCoilType(DataPlant::PlantEquipmentType::Invalid), FouledCoilNum(0), FoulingInputMethod(FouledCoil::Invalid),
227 1 : UAFouled(0.0), Rfw(0.0), Rfa(0.0), Aout(0.0), Aratio(0.0)
228 : {
229 1 : }
230 :
231 : // Destructor
232 3 : virtual ~FaultPropertiesFoulingCoil() = default;
233 :
234 : public:
235 : // Calculate the fouling thermal insulance factor (the reciprocal of a heat transfer coefficient) due to fouling in a coil
236 : // Real64 CalFaultyCoilFoulingFactor();
237 :
238 : // Calculate the Fault Fraction based on Availability and Severity Schedules
239 : Real64 FaultFraction(EnergyPlusData &state);
240 : };
241 :
242 : struct FaultPropertiesAirFilter : public FaultProperties // Class for FaultModel:Fouling:AirFilter, derived from FaultProperties
243 : {
244 : // Members
245 : std::string fanName; // The name of the fan corresponding to the fouled air filter
246 : int fanNum = 0;
247 : HVAC::FanType fanType = HVAC::FanType::Invalid; // The type of the fan corresponding to the fouled air filter
248 : int fanCurveNum = 0; // The index to the curve
249 : int pressFracSchedNum = 0; // The pointer to the schedule
250 : Real64 fanPressInc = 0.0; // The increase of the fan pressure due to fouled air filter
251 : Real64 fanFlowDec = 0.0; // The decrease of the fan airflow rate due to fouled air filter
252 :
253 : // Destructor
254 2 : virtual ~FaultPropertiesAirFilter() = default;
255 :
256 : public:
257 : bool CheckFaultyAirFilterFanCurve(EnergyPlusData &state);
258 : };
259 :
260 : struct FaultPropertiesCoilSAT : public FaultProperties // Class for FaultModel:TemperatureSensorOffset:CoilSupplyAir
261 : {
262 : // Members
263 : std::string CoilType; // Coil type
264 : std::string CoilName; // Coil name
265 : std::string WaterCoilControllerName; // Water coil controller name
266 :
267 : // Default Constructor
268 1 : FaultPropertiesCoilSAT() : CoilType(""), CoilName(""), WaterCoilControllerName("")
269 : {
270 1 : }
271 : };
272 :
273 : struct FaultPropertiesChillerSWT : public FaultProperties // Class for FaultModel:TemperatureSensorOffset:ChillerSupplyWater
274 : {
275 : // Members
276 : std::string ChillerType; // Chiller type
277 : std::string ChillerName; // Chiller name
278 :
279 : // Default Constructor
280 1 : FaultPropertiesChillerSWT() : ChillerType(""), ChillerName("")
281 : {
282 1 : }
283 :
284 : // Destructor
285 2 : virtual ~FaultPropertiesChillerSWT() = default;
286 :
287 : public:
288 : void CalFaultChillerSWT(bool FlagConstantFlowChiller, // True if chiller is constant flow and false if it is variable flow
289 : Real64 FaultyChillerSWTOffset, // Faulty chiller SWT sensor offset
290 : Real64 Cp, // Local fluid specific heat
291 : Real64 EvapInletTemp, // Chiller evaporator inlet water temperature
292 : Real64 &EvapOutletTemp, // Chiller evaporator outlet water temperature
293 : Real64 &EvapMassFlowRate, // Chiller mass flow rate
294 : Real64 &QEvaporator // Chiller evaporator heat transfer rate
295 : );
296 : };
297 :
298 : struct FaultPropertiesCondenserSWT : public FaultProperties // Class for FaultModel:TemperatureSensorOffset:CondenserSupplyWater
299 : {
300 : // Members
301 : std::string TowerType; // Tower type
302 : std::string TowerName; // Tower name
303 :
304 : // Default Constructor
305 1 : FaultPropertiesCondenserSWT() : TowerType(""), TowerName("")
306 : {
307 1 : }
308 : };
309 :
310 : struct FaultPropertiesTowerFouling : public FaultProperties // Class for FaultModel:Fouling:CoolingTower
311 : {
312 : // Members
313 : std::string TowerType; // Tower type
314 : std::string TowerName; // Tower name
315 : Real64 UAReductionFactor; // UA Reduction Factor
316 :
317 : // Default Constructor
318 1 : FaultPropertiesTowerFouling() : TowerType(""), TowerName(""), UAReductionFactor(1.0)
319 : {
320 1 : }
321 :
322 : public:
323 : Real64 CalFaultyTowerFoulingFactor(EnergyPlusData &state);
324 : };
325 :
326 : struct FaultPropertiesFouling : public FaultProperties // Class for FaultModel:Fouling
327 : {
328 : // Members
329 : Real64 FoulingFactor; // Fouling Factor
330 :
331 : // Default Constructor
332 3 : FaultPropertiesFouling() : FoulingFactor(1.0)
333 : {
334 3 : }
335 :
336 : public:
337 : Real64 CalFoulingFactor(EnergyPlusData &state); // To calculate the dynamic fouling factor
338 : };
339 :
340 : struct FaultPropertiesBoilerFouling : public FaultPropertiesFouling // Class for FaultModel:Fouling:Boiler
341 : {
342 : // Members
343 : std::string BoilerType; // Boiler type
344 : std::string BoilerName; // Boiler name
345 :
346 : // Default Constructor
347 1 : FaultPropertiesBoilerFouling() : BoilerType(""), BoilerName("")
348 : {
349 1 : }
350 : };
351 :
352 : struct FaultPropertiesChillerFouling : public FaultPropertiesFouling // Class for FaultModel:Fouling:Chiller
353 : {
354 : // Members
355 : std::string ChillerType; // Chiller type
356 : std::string ChillerName; // Chiller name
357 :
358 : // Default Constructor
359 1 : FaultPropertiesChillerFouling() : ChillerType(""), ChillerName("")
360 : {
361 1 : }
362 : };
363 :
364 : struct FaultPropertiesEvapCoolerFouling : public FaultPropertiesFouling // Class for FaultModel:Fouling:EvaporativeCooler
365 : {
366 : // Members
367 : std::string EvapCoolerType; // Evaporative Cooler type
368 : std::string EvapCoolerName; // Evaporative Cooler name
369 :
370 : // Default Constructor
371 1 : FaultPropertiesEvapCoolerFouling() : EvapCoolerType(""), EvapCoolerName("")
372 : {
373 1 : }
374 : };
375 :
376 : // Functions
377 :
378 : void CheckAndReadFaults(EnergyPlusData &state);
379 :
380 : void SetFaultyCoilSATSensor(
381 : EnergyPlusData &state, std::string const &CompType, std::string_view CompName, bool &FaultyCoilSATFlag, int &FaultyCoilSATIndex);
382 :
383 : } // namespace FaultsManager
384 :
385 : struct FaultsManagerData : BaseGlobalStruct
386 : {
387 :
388 : bool RunFaultMgrOnceFlag = false; // True if CheckAndReadFaults is already done
389 : bool ErrorsFound = false; // True if errors detected in input
390 :
391 : bool AnyFaultsInModel = false; // True if there are operational faults in the model
392 : int NumFaults = 0; // Number of faults (include multiple faults of same type) in the model
393 : int NumFaultyEconomizer = 0; // Total number of faults related with the economizer
394 : int NumFouledCoil = 0; // Total number of fouled coils
395 : int NumFaultyThermostat = 0; // Total number of faulty thermostat with offset
396 : int NumFaultyHumidistat = 0; // Total number of faulty humidistat with offset
397 : int NumFaultyAirFilter = 0; // Total number of fouled air filters
398 : int NumFaultyChillerSWTSensor = 0; // Total number of faulty Chillers Supply Water Temperature Sensor
399 : int NumFaultyCondenserSWTSensor = 0; // Total number of faulty Condenser Supply Water Temperature Sensor
400 : int NumFaultyTowerFouling = 0; // Total number of faulty Towers with Scaling
401 : int NumFaultyCoilSATSensor = 0; // Total number of faulty Coil Supply Air Temperature Sensor
402 : int NumFaultyBoilerFouling = 0; // Total number of faulty Boilers with Fouling
403 : int NumFaultyChillerFouling = 0; // Total number of faulty Chillers with Fouling
404 : int NumFaultyEvapCoolerFouling = 0; // Total number of faulty Evaporative Coolers with Fouling
405 :
406 : // Object Data
407 : Array1D<FaultsManager::FaultPropertiesEconomizer> FaultsEconomizer;
408 : Array1D<FaultsManager::FaultPropertiesFoulingCoil> FouledCoils;
409 : Array1D<FaultsManager::FaultPropertiesThermostat> FaultsThermostatOffset;
410 : Array1D<FaultsManager::FaultPropertiesHumidistat> FaultsHumidistatOffset;
411 : Array1D<FaultsManager::FaultPropertiesAirFilter> FaultsFouledAirFilters;
412 : Array1D<FaultsManager::FaultPropertiesChillerSWT> FaultsChillerSWTSensor;
413 : Array1D<FaultsManager::FaultPropertiesCondenserSWT> FaultsCondenserSWTSensor;
414 : Array1D<FaultsManager::FaultPropertiesTowerFouling> FaultsTowerFouling;
415 : Array1D<FaultsManager::FaultPropertiesCoilSAT> FaultsCoilSATSensor;
416 : Array1D<FaultsManager::FaultPropertiesBoilerFouling> FaultsBoilerFouling;
417 : Array1D<FaultsManager::FaultPropertiesChillerFouling> FaultsChillerFouling;
418 : Array1D<FaultsManager::FaultPropertiesEvapCoolerFouling> FaultsEvapCoolerFouling;
419 :
420 796 : void init_state([[maybe_unused]] EnergyPlusData &state) override
421 : {
422 796 : }
423 :
424 0 : void clear_state() override
425 : {
426 0 : RunFaultMgrOnceFlag = false;
427 0 : ErrorsFound = false;
428 0 : AnyFaultsInModel = false;
429 0 : NumFaults = 0;
430 0 : NumFaultyEconomizer = 0;
431 0 : NumFouledCoil = 0;
432 0 : NumFaultyThermostat = 0;
433 0 : NumFaultyHumidistat = 0;
434 0 : NumFaultyAirFilter = 0;
435 0 : NumFaultyChillerSWTSensor = 0;
436 0 : NumFaultyCondenserSWTSensor = 0;
437 0 : NumFaultyTowerFouling = 0;
438 0 : NumFaultyCoilSATSensor = 0;
439 :
440 0 : FaultsEconomizer.deallocate();
441 0 : FouledCoils.deallocate();
442 0 : FaultsThermostatOffset.deallocate();
443 0 : FaultsHumidistatOffset.deallocate();
444 0 : FaultsFouledAirFilters.deallocate();
445 0 : FaultsChillerSWTSensor.deallocate();
446 0 : FaultsCondenserSWTSensor.deallocate();
447 0 : FaultsTowerFouling.deallocate();
448 0 : FaultsCoilSATSensor.deallocate();
449 0 : }
450 : };
451 :
452 : } // namespace EnergyPlus
453 :
454 : #endif
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