Month: April 2020
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Dancing in the wind
I have discussed in other post the phenomenal growth of the dimensions of wind turbines in the last 2 decades. Bigger rotors, taller towers and more MW has been the industry trend year after year. There is some evidence that we are reaching the limit – blades of more than 50m length pose significant logistic challenges, while…
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Blades repair – how to fix it
I have discussed in other posts why wind turbines blades are prone to different type of damages and how to detect them. But what happen when a problem is identified? Changing the blade is usually the “last recourse” option: in addition to the cost of the blade itself there are the transportation costs plus the…
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Where have all the wind turbine gone? Foldable towers
In previous post some years ago I have described two alternative solution for the wind turbine tower that should help solving the problem of the huge cranes that are currently needed for the erection of the wind turbines components. One is the self-lifting precast tower developed by Esteyco, a Spanish engineering company that developed several…