Site Assessment Service
Wind Measurement, Energy Yield Assessment, Wind Farm Micrositing. Reliable predictions of the energy yield of wind farms are only possible on the basis of accurate near-site wind speed measurements. The critical aspects are selection of where the tower is to be placed, selection and calibration of anemometers, the height of the met mast and the installation of the sensors on the met mast. DEWI has been specialised in this area for many years and also offers additional services such as site calibration or long-term wind measurements for wind farm monitoring.
Apart from the general economic conditions of a pl...
Apart from the general economic conditions of a planned project, an accurate measurement of the wind speed is the decisive factor in determining the economic efficiency of a wind farm. An error of 3% in the wind speed measurement can lead to a discrepancy of about 10% in annual energy production. It is therefore absolutely necessary to calibrate an anemometer individually before a measurement campaign; this is offered by DEWI as an accredited service in line with DAkkS (EN ISO/IEC 17025) and MEASNET.
DEWI’s Micrositing Department, with its longstanding experience in services and research activities, offers investors, developers and owners a high-quality, reliable data basis for planning wind farm projects worldwide. DEWI offers the whole range of services, from site inspection and analysis of existing wind measurement data to calculation of energy yield and wind farm efficiency and creation and optimisation of the wind farm configuration taking into account all important parameters specific to the site. On request, DEWI experts can also assist in the installation of meteorological measuring equipment and the analysis and checking of existing measurements.
For the simulation of wind and turbulence conditions in complex terrain, DEWI Micrositing offers special 3D CFD (Computational Fluid Dynamics) calculations, which are becoming increasingly important in international projects. This complex, cutting-edge calculation method allows investors, developers and owners to obtain the best possible prediction of the real turbulence conditions at the site.
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