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SabineHaasSabineHaas
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Merge branch 'features/wind_farms_and_clusters' into dev
2 parents 5cb7a41 + 5c06c13 commit 3c3ef66

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8 files changed

+533
-236
lines changed

‎windpowerlib/data/wind_efficiency_curves.csv‎

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‎windpowerlib/data/wind_efficiency_curves_dena.csv‎

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wind_speed,dena_mean,dena_extreme2,dena_extreme1
2+
0,1,1,1
3+
0.9238,0.99496,0.990716,0.987041
4+
0.9661,0.994957,0.990705,0.987035
5+
0.9819,0.994955,0.990701,0.987033
6+
1.4526,0.994914,0.990712,0.98709
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1.4843,0.994911,0.990729,0.987111
8+
1.9602,0.99487,0.990707,0.987156
9+
1.9814,0.994868,0.990666,0.987107
10+
2.4679,0.994826,0.990571,0.987104
11+
2.4891,0.994824,0.990703,0.987305
12+
2.9544,0.994783,0.991409,0.9871
13+
2.9756,0.994781,0.990859,0.986268
14+
3.002,0.994779,0.990024,0.985044
15+
3.0601,0.992179,0.987622,0.981665
16+
3.0972,0.990059,0.985718,0.979058
17+
3.1606,0.987498,0.981896,0.973908
18+
3.24,0.984817,0.976401,0.966572
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3.351,0.981497,0.968113,0.955514
20+
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3.4198,0.977073,0.962972,0.948617
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4.012,0.951642,0.926171,0.899013
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154+
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25,0.998325,0.990383,0.987165

‎windpowerlib/data/wind_efficiency_curves_knorr.csv‎

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wind_speed,knorr_mean,knorr_extreme1,knorr_extreme2,knorr_extreme3
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0,1,1,1,1
3+
0.0224,1,0.999963,1,1
4+
0.0455,1,0.999816,1,1
5+
0.057,1,0.999742,0.999989,1
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0.0732,0.999999,0.999638,0.999881,0.999989
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1.3177,0.99948,0.989859,0.991565,0.98411
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20+
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19.7111,0.994988,0.959476,0.963109,0.930075
106+
20.0278,0.99505,0.96109,0.964499,0.93315
107+
20.0507,0.995054,0.96116,0.9646,0.933372
108+
20.2597,0.995095,0.961801,0.965192,0.935401
109+
20.9556,0.995229,0.963934,0.967162,0.939966
110+
21.169,0.995665,0.964588,0.967767,0.941366
111+
21.3418,0.996017,0.965201,0.968256,0.942499
112+
21.4497,0.996237,0.965583,0.968506,0.943207
113+
21.6197,0.996235,0.966186,0.9689,0.944322
114+
22.255,0.996229,0.968438,0.970371,0.947411
115+
22.4255,0.996382,0.969043,0.970766,0.948241
116+
22.7136,0.996641,0.969724,0.971433,0.949642
117+
23.2565,0.997128,0.971009,0.973058,0.952282
118+
23.3713,0.997231,0.971281,0.973401,0.952723
119+
23.5667,0.997499,0.971743,0.973986,0.953474
120+
23.9203,0.997985,0.972545,0.975044,0.954831
121+
23.9355,0.99798,0.972579,0.97509,0.95489
122+
24.4774,0.997796,0.973808,0.975909,0.95697
123+
24.689,0.997724,0.974306,0.976228,0.957783
124+
24.9086,0.998481,0.974822,0.97656,0.958626
125+
24.9501,0.998625,0.97492,0.976623,0.958785
126+
24.9846,0.998744,0.975001,0.976675,0.958918
127+
25,0.998787,0.975031,0.976694,0.958965

‎windpowerlib/modelchain.py‎

Lines changed: 9 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -9,7 +9,8 @@
99
__license__ = "GPLv3"
1010

1111
import logging
12-
from windpowerlib import wind_speed, density, temperature, power_output, tools
12+
from windpowerlib import (wind_speed, density, temperature, power_output,
13+
tools, wake_losses)
1314

1415

1516
class ModelChain(object):
@@ -365,7 +366,7 @@ def turbine_power_output(self, wind_speed_hub, density_hub):
365366
"`power_output_model` must be " +
366367
"'power_curve' or 'power_coefficient_curve'.")
367368

368-
def run_model(self, weather_df):
369+
def run_model(self, weather_df, wind_efficiency_curve_name=None):
369370
r"""
370371
Runs the model.
371372
@@ -382,6 +383,7 @@ def run_model(self, weather_df):
382383
contains the height at which it applies (e.g. 10, if it was
383384
measured at a height of 10 m). See below for an example on how to
384385
create the weather_df DataFrame.
386+
wind_efficiency_curve_name # TODO explain if stays
385387
386388
Returns
387389
-------
@@ -411,6 +413,11 @@ def run_model(self, weather_df):
411413
density_hub = (None if (self.power_output_model == 'power_curve' and
412414
self.density_correction is False)
413415
else self.density_hub(weather_df))
416+
# Reduce wind speed if wind efficiency curve name if given
417+
if wind_efficiency_curve_name is not None: # TODO raise error if wind efficiency curve is used for wind turbine
418+
wind_speed_hub = wake_losses.reduce_wind_speed(
419+
wind_speed_hub,
420+
wind_efficiency_curve_name=wind_efficiency_curve_name)
414421
self.power_output = self.turbine_power_output(wind_speed_hub,
415422
density_hub)
416423
return self

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