University of Twente Student Theses


Certification of a small wind turbine

Post, F. (2017) Certification of a small wind turbine.

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Abstract:EAZ wind is a company producing small wind turbines with a diameter of 12 meter. A lot of turbines have been placed in the province of Groningen. To make their area of sale, they want to place the turbines in Germany as well. Unfortunately, the turbines have to be certified to be able to place them legally. The most common certificate for small wind turbines is the IEC61400-2. This document describes a first few steps in the long certification process. One of the most important things for the company are wind measurements. Those are needed for both the company itself and the certificate. It was chosen to outsource the wind measurements and perform them at a location with an existing wind turbine. A location with the least possible objects in the neighbourhood and a collaborative owner was chosen. Unfortunately, time was too short to actually do the wind measurements. Another important thing for the certificate are strength calculations on the turbine design. All the values are gathered and the simplified load cases as described in IEC61400-2 are calculated. Most situations did not result in serious problems. There are however some problematic load cases, that the company should analyse further.
Item Type:Internship Report (Master)
Faculty:ET: Engineering Technology
Subject:52 mechanical engineering
Programme:Mechanical Engineering MSc (60439)
Keywords:Wind turbine, Certification, IEC61400-2, Green technology
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