globalchange  > 气候变化与战略
DOI: 10.1016/j.renene.2019.09.138
论文题名:
The added value of high resolution regional reanalyses for wind power applications
作者: Frank C.W.; Pospichal B.; Wahl S.; Keller J.D.; Hense A.; Crewell S.
刊名: Renewable Energy
ISSN: 9601481
出版年: 2020
卷: 148
语种: 英语
英文关键词: Jackknife resampling ; Power law ; Reanalyses ; Renewable energy ; Site assessment ; Wind speed
Scopus关键词: Energy policy ; Surveys ; Wind ; Wind power ; Power-law ; Reanalyses ; Renewable energies ; Resampling ; Site assessment ; Wind speed ; Electric power system interconnection ; alternative energy ; electricity industry ; performance assessment ; wind power ; wind turbine ; Europe
英文摘要: Atmospheric reanalyses are the only source of spatial and temporal gridded wind information at wind turbine height providing data over several decades in the past. The application potential of reanalyses in the renewable energy sector depends strongly on the quality of the meteorological quantities. While global reanalyses have a resolution of typically 50 km, new regional reanalyses COSMO-REA6 and COSMO-REA2 have about 6 km and 2 km horizontal grid spacing, respectively. Here, we investigate the added value of the new regional reanalyses for the renewable energy sector, especially their application potential for site assessment. Four well established wind towers in Europe are used as reference for this purpose. We find regional reanalyses performing significantly better or at least similar to global reanalyses. Especially marginal distributions show significant improvements e.g. the most extreme temporal wind changes (ramp rates) at typical hub-heights are underrepresented by global reanalyses between −80 and −43% while COSMO-REA2 represents them with relative errors between −14 and +9%. Considering biases, mean absolute errors, and correlations most significant improvements occur close to ground and in areas with complex terrain. Moreover, vertically extrapolated wind measurements which are commonly used for site assessment show a stronger site dependency in their performance than reanalyses. © 2019 The Authors
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被引频次[WOS]:35   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/158572
Appears in Collections:气候变化与战略

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作者单位: Hans-Ertel-Centre for Weather Research, Climate Monitoring and Diagnostics, Germany; Institute for Geophysics and Meteorology, University of Cologne, Germany; Meteorological Institute, University Bonn, Germany; Deutscher Wetterdienst, Offenbach, Germany

Recommended Citation:
Frank C.W.,Pospichal B.,Wahl S.,et al. The added value of high resolution regional reanalyses for wind power applications[J]. Renewable Energy,2020-01-01,148
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