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As well as the real power output of the wind farms, we were also given
the yearly measurement data of 6 meteorological masts.
This data was used to run a simulation of the wind speed hitting a
single theoretical wind turbine. The simulation was then repeated, this
time using the reanalysis data for the region.
Below is the wind speed calculated using reanalysis data compared to
the wind speed calculated using the real measured data.
| Dounreay |
With Roughness |
| |
|
| Period
June 2001 - August 2001 |
|
| Wind
speed calculated using reanalysis data compared to the wind speed
calculated using measured data (at 40m) |
-4.9% |
| |
|
| Year
2002 |
|
| Wind
speed calculated using the corresponding period of reanalysis data
compared to the wind speed calculated using measured data (at 40m) |
-7.7% |
| Wind
speed calculated using 27 years of reanalysis data compared to the
wind speed calculated using measured data (at 40m) |
+0% |
|
|
| Beinn
Tharsuinn |
|
| |
|
| Period
13 March - 11 July 2003 |
|
| Wind
speed calculated using reanalysis data compared to the wind speed
calculated using measured data (at 50m) |
|
| mast
1 |
-9.7% |
| mast
2 |
-7.2% |
| mast
3 |
-8.0% |
|
|
| Coldham |
|
| |
|
| Period
22 May 2003 - 13 April 2004 |
|
| Wind
speed calculated using reanalysis data compared to the wind speed
calculated using measured data (at 50m) |
-1.5% |
|
|
| Kentish
Flats |
|
| |
|
| Period
13 February 2003 - 18 January 2004 |
|
| Wind
speed calculated using reanalysis data compared to the wind speed
calculated using measured data (at 50m) |
-8.2% |
Here we see that the computer model underestimated the resources
of the site by no more than 10%.
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