Randers, Denmark --
How does a wind turbine manufacturer know that its products will be able to last in the field for 20 years? Testing. Vestas claims that it has the most comprehensive dedicated testing facility on the planet.
In the video below, company test engineers explain the kinds of tests they do both in a testbed facility as well as in the field. The video is 12 minutes long, and certainly commercial, but still worth a watch if you ever wanted to know how wind engineers ensure reliability and dependability of their new turbines.
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