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| Titel |
Limitations of wind power availability over Europe: a conceptual study |
| VerfasserIn |
P. Kiss, I. M. Jánosi |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1023-5809
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| Digitales Dokument |
URL |
| Erschienen |
In: Nonlinear Processes in Geophysics ; 15, no. 6 ; Nr. 15, no. 6 (2008-11-03), S.803-813 |
| Datensatznummer |
250012799
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| Publikation (Nr.) |
 copernicus.org/npg-15-803-2008.pdf |
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| Zusammenfassung |
| Wind field statistics are evaluated from the ERA-40 data bank covering
a period of 44 years with a temporal resolution of 6 h. Instantaneous wind
speed values are provided in geographic cells of size
1°×1° (lat/long) for surface (10 m) and 1000 hPa
pressure heights. Potential wind power generation is estimated in two steps.
Firstly, the wind speed at hub height is approximated from surface data based
on the statistical analysis of the wind and geopotential records for
1000 hPa pressure level. Secondly, the wind speed values are transformed by
an idealised power curve fitted for measured data. The model time series are
fed into various hypothetical electric networks. The main quantity of
interest is the aggregated output from the networks. A reference power time
series is determined for a static network connecting each continental site
and an envelope of 1° around the shorelines (representing off-shore
locations) over Europe. This time series exhibits a low average value and a
marked annual periodicity. Wind power integration over limited areas results
in higher average outputs at the expense of stronger fluctuations. The
long-range spatial correlations of the wind field limit the level of
fluctuations strongly which can not be eliminated either by an increase of
the area of integration or by dynamic control. This study is fully
conceptual, however it demonstrates the limitations of wind power integration
over Europe. |
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