| [4526] | 1 | ! turbine specific parameters of the NREL 15 MW reference wind turbine |
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| 2 | ! https://www.nrel.gov/docs/fy20osti/75698.pdf |
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| 3 | ! https://github.com/IEAWindTask37/IEA-15-240-RWT |
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| 4 | |
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| 5 | &turbine_parameters |
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| 6 | gear_efficiency = 1.0, ! no gear, direct drive |
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| 7 | gear_ratio = 1.0, ! no gear, direct drive |
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| 8 | generator_efficiency = 0.9655, ! HAWC2/htc/IEA_15MW_RWT.htc line 513 |
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| 9 | generator_inertia = 3.22e+06, ! OpenFAST/IEA-15-240-RWT_ElastoDyn.dat line 78 |
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| 10 | generator_power_rated = 15.54e+06, ! mechanical (!) = rated_power(electrical) / generator_efficiency, HAWC2/htc/IEA_15MW_RWT.htc line 385 |
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| 11 | generator_speed_rated = 0.792, ! HAWC2/htc/IEA_15MW_RWT.htc line 387 |
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| 12 | generator_torque_max = 21.59e+06, ! HAWC2/htc/IEA_15MW_RWT.htc line 388 |
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| 13 | generator_torque_rate_max = 10.74e+06, ! HAWC2/htc/IEA_15MW_RWT.htc line 388 + 426 |
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| 14 | hub_z = 150.0 ! Table ES-1: hub height = 150 m |
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| 15 | n_airfoils = 8, |
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| 16 | nacelle_cd = 0.85, ! currently disabled |
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| 17 | nacelle_radius = 12.0, ! estimate, generator air gap diameter = 10.53 m (p.29) |
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| 18 | pitch_angle = 0.0, ! valid in region 2 (between 6.98 and 10.59 m/s) |
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| 19 | pitch_rate = 2.0, ! HAWC2/htc/IEA_15MW_RWT.htc line 393 |
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| 20 | region_15_min = 0.403, ! = region_2_min/1.3 as it is defined for NREL 5MW (Jonkmann 2009, p. 19) |
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| 21 | region_2_min = 0.524, ! HAWC2/htc/IEA_15MW_RWT.htc line 386 |
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| 22 | region_2_slope = 24.77e+06, ! (generator_power_rated) / (generator_speed_rated)^2 |
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| 23 | rotor_inertia = 310.62e+06, ! OpenFAST/ServoData/IEA15MW.yaml line 13 |
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| 24 | rotor_radius = 120.0, ! Table ES-1: rotor diameter = 240 m |
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| 25 | rotor_speed = 0.792, ! initial rotor speed, set to generator_speed_rated |
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| 26 | tilt_angle = 6.0, ! Table ES-1 |
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| 27 | tower_cd = 1.20, |
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| 28 | tower_diameter = 8.0, ! Figure 4-2, 10 m to 6.5 m |
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| 29 | yaw_angle = 0.0, |
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| 30 | yaw_misalignment_max = 0.08726, ! 5.0 deg |
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| 31 | yaw_misalignment_min = 0.008726, ! 0.5 deg |
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| 32 | yaw_speed = 0.0349, ! = 2 deg/s, OpenFAST/IEA-15-240-RWT_ServoDyn.dat line 58 |
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| 33 | / ! end of turbine_parameters namelist |
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