Line data Source code
1 : // EnergyPlus, Copyright (c) 1996-2023, The Board of Trustees of the University of Illinois,
2 : // The Regents of the University of California, through Lawrence Berkeley National Laboratory
3 : // (subject to receipt of any required approvals from the U.S. Dept. of Energy), Oak Ridge
4 : // National Laboratory, managed by UT-Battelle, Alliance for Sustainable Energy, LLC, and other
5 : // contributors. All rights reserved.
6 : //
7 : // NOTICE: This Software was developed under funding from the U.S. Department of Energy and the
8 : // U.S. Government consequently retains certain rights. As such, the U.S. Government has been
9 : // granted for itself and others acting on its behalf a paid-up, nonexclusive, irrevocable,
10 : // worldwide license in the Software to reproduce, distribute copies to the public, prepare
11 : // derivative works, and perform publicly and display publicly, and to permit others to do so.
12 : //
13 : // Redistribution and use in source and binary forms, with or without modification, are permitted
14 : // provided that the following conditions are met:
15 : //
16 : // (1) Redistributions of source code must retain the above copyright notice, this list of
17 : // conditions and the following disclaimer.
18 : //
19 : // (2) Redistributions in binary form must reproduce the above copyright notice, this list of
20 : // conditions and the following disclaimer in the documentation and/or other materials
21 : // provided with the distribution.
22 : //
23 : // (3) Neither the name of the University of California, Lawrence Berkeley National Laboratory,
24 : // the University of Illinois, U.S. Dept. of Energy nor the names of its contributors may be
25 : // used to endorse or promote products derived from this software without specific prior
26 : // written permission.
27 : //
28 : // (4) Use of EnergyPlus(TM) Name. If Licensee (i) distributes the software in stand-alone form
29 : // without changes from the version obtained under this License, or (ii) Licensee makes a
30 : // reference solely to the software portion of its product, Licensee must refer to the
31 : // software as "EnergyPlus version X" software, where "X" is the version number Licensee
32 : // obtained under this License and may not use a different name for the software. Except as
33 : // specifically required in this Section (4), Licensee shall not use in a company name, a
34 : // product name, in advertising, publicity, or other promotional activities any name, trade
35 : // name, trademark, logo, or other designation of "EnergyPlus", "E+", "e+" or confusingly
36 : // similar designation, without the U.S. Department of Energy's prior written consent.
37 : //
38 : // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
39 : // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
40 : // AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
41 : // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
42 : // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
43 : // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
44 : // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
45 : // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
46 : // POSSIBILITY OF SUCH DAMAGE.
47 :
48 : #ifndef WindTurbine_hh_INCLUDED
49 : #define WindTurbine_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/ElectricPowerServiceManager.hh>
58 : #include <EnergyPlus/EnergyPlus.hh>
59 :
60 : namespace EnergyPlus {
61 :
62 : // Forward declarations
63 : struct EnergyPlusData;
64 :
65 : namespace WindTurbine {
66 :
67 : enum class RotorType
68 : {
69 : Invalid = -1,
70 : HorizontalAxis,
71 : VerticalAxis,
72 : Num
73 : };
74 :
75 : enum class ControlType
76 : {
77 : Invalid = -1,
78 : FixedSpeedFixedPitch,
79 : FixedSpeedVariablePitch,
80 : VariableSpeedFixedPitch,
81 : VariableSpeedVariablePitch,
82 : Num
83 : };
84 :
85 10 : struct WindTurbineParams
86 : {
87 : // Members
88 : std::string Name; // The component name
89 : std::string Schedule; // Available schedule
90 : RotorType rotorType = RotorType::Invalid; // Rotor type (HAWT or VAWT)
91 : ControlType controlType = ControlType::Invalid; // Control type
92 : int SchedPtr = 0; // Schedule
93 : int NumOfBlade = 0; // Blade number
94 : Real64 RatedRotorSpeed = 0.0; // Rated rotor speed in m/s
95 : Real64 RotorDiameter = 0.0; // Diameter of rotor in m
96 : Real64 RotorHeight = 0.0; // Overall height of the rotor in m
97 : Real64 RatedPower = 0.0; // Nominal average power output at the rated wind speed in Watts
98 : Real64 RatedWindSpeed = 0.0; // Rated wind speed showing maximum power output in Watts
99 : Real64 CutInSpeed = 0.0; // Minimum wind speed for system operation in m/s
100 : Real64 CutOutSpeed = 0.0; // Maximum wind speed for system operation in m/s
101 : Real64 SysEfficiency = 0.0; // Overall system efficiency including subsystems and losses
102 : Real64 MaxTipSpeedRatio = 0.0; // Maximum tip speed ratio
103 : Real64 MaxPowerCoeff = 0.0; // Maximum power coefficient
104 : Real64 LocalAnnualAvgWS = 0.0; // Annual average wind speed locally measured in m/s
105 : Real64 AnnualTMYWS = 0.0; // Annual average wind speed from stat file in m/s
106 : Real64 HeightForLocalWS = 0.0; // Height of the local station in m
107 : Real64 ChordArea = 0.0; // Chord area of a single blade for VAWTs in m2
108 : Real64 DragCoeff = 0.0; // Empirical blade drag coefficient for VAWTs
109 : Real64 LiftCoeff = 0.0; // Empirical blade lift coefficient for VAWTs
110 : std::array<Real64, 6> PowerCoeffs = {0.0}; // Empirical power coefficients for analytical calculation
111 : Real64 TotPower = 0.0; // Maximum power produced from the wind in Watts
112 : Real64 Power = 0.0; // Actual power wind turbine supplies to the building in Watts
113 : Real64 TotEnergy = 0.0; // Maximum energy produced from the wind in Joules
114 : Real64 Energy = 0.0; // Actual energy wind turbine supplies to the building in Joules
115 : Real64 LocalWindSpeed = 0.0; // Local wind speed estimated at the particular height in m/s
116 : Real64 LocalAirDensity = 0.0; // Local air density estimated at the particular height kg/m3
117 : Real64 PowerCoeff = 0.0; // Power coefficient determined
118 : Real64 ChordalVel = 0.0; // Chordal velocity for VAWTs in m/s
119 : Real64 NormalVel = 0.0; // Normal velocity for VAWTs in m/s
120 : Real64 RelFlowVel = 0.0; // Relative flow velocity for VAWTs in m/s
121 : Real64 TipSpeedRatio = 0.0; // Relative flow velocity for VAWTs in m/s
122 : Real64 WSFactor = 0.0; // Relative flow velocity for VAWTs in m/s
123 : Real64 AngOfAttack = 0.0; // Angle of attack in degree
124 : Real64 IntRelFlowVel = 0.0; // Integral of relative flow velocity
125 : Real64 TanForce = 0.0; // Tangential force
126 : Real64 NorForce = 0.0; // Normal force in N.m
127 : Real64 TotTorque = 0.0; // Total torque in N.m
128 : Real64 AzimuthAng = 0.0; // Azimuth angle between blades
129 : };
130 :
131 : void SimWindTurbine(EnergyPlusData &state,
132 : GeneratorType GeneratorType, // Type of Generator
133 : std::string const &GeneratorName, // User specified name of Generator
134 : int &GeneratorIndex, // Generator index
135 : bool RunFlag, // ON or OFF
136 : Real64 WTLoad // Electrical load on WT (not used)
137 : );
138 :
139 : void GetWTGeneratorResults(EnergyPlusData &state,
140 : GeneratorType GeneratorType, // Type of Generator
141 : int GeneratorIndex, // Generator number
142 : Real64 &GeneratorPower, // Electrical power
143 : Real64 &GeneratorEnergy, // Electrical energy
144 : Real64 &ThermalPower,
145 : Real64 &ThermalEnergy);
146 :
147 : void GetWindTurbineInput(EnergyPlusData &state);
148 :
149 : void InitWindTurbine(EnergyPlusData &state, int WindTurbineNum);
150 :
151 : void CalcWindTurbine(EnergyPlusData &state,
152 : int WindTurbineNum, // System is on
153 : bool RunFlag // System is on
154 : );
155 :
156 : void ReportWindTurbine(EnergyPlusData &state, int WindTurbineNum);
157 :
158 : //*****************************************************************************************
159 :
160 : } // namespace WindTurbine
161 :
162 1542 : struct WindTurbineData : BaseGlobalStruct
163 : {
164 :
165 : bool GetInputFlag = true;
166 : bool MyOneTimeFlag = true;
167 : EPVector<WindTurbine::WindTurbineParams> WindTurbineSys;
168 :
169 0 : void clear_state() override
170 : {
171 0 : *this = WindTurbineData();
172 0 : }
173 : };
174 :
175 : } // namespace EnergyPlus
176 :
177 : #endif
|