Determination of Energy Parameters of Near Surface Wind Field in Transcarpathia

István Hadnagy, Károly Tar

Abstract


This research, which is part of a complex wind energy examination, analyses average daily wind speed time series of 9 available meteorological stations. Weibull distribution helps to work out the distribution of daily average wind speeds on levels different from anemometer altitude, then average values are calculated here for the entire period and power law is applied to them. Thus, a correlation between Hellmann’s wind profile law and Weibull distribution can be demonstrated. At anemometer altitude and at five chosen altitude levels (20, 40, 60, 80 and 100 m above ground level) other significant parameters from the point of view of wind energy utilization are determined: wind speed mode, its coefficient of variation, wind velocity carrying maximum energy, duration of energetically useful wind speeds, as well as specific wind power. In Transcarpathia, mountain areas have the highest wind power, where the average wind speeds at 100 m above ground level reaches 6-8 m/s, and the specific wind power is 500-700 W/m2.

Keywords


wind energy; wind speed; wind power density; Weibull distribution; Transcarpathia

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References


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DOI (PDF): https://doi.org/10.20508/ijrer.v9i1.8751.g7600

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