Month: September 2012
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Wind turbine foundation remedial work: an example
The purpose of the remedial works in a damaged wind turbine foundation is to provide an alternative load path. Other operation that are normally done are injection of mortar or resins in the cracks and water sealing. Here you have an example of remedial works in case of foundation failure and subsequent tower movements. The…
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Cracks in onshore wind turbines foundation
The appearance of fissures in wind turbine foundations is a rather common event. There is no consensus in the sector about the root cause of the cracks. You can find a comprehensive family tree of fracture types below: From my experience it seems that old foundations with embedded ring are more prone to fissures compared…
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Wind farm internal roads bends additional widening
One of the problems frequently found in wind farm project and construction is that road bends with a reduced radius often needs an additional widening to allow the passage of the trucks with the WTGs components. Normally the biggest problems come with the blades. I suggest using a commercial software such as AutoTURN to estimate…
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Wind power plant concepts and performance indicators
Wind turbines are usually placed in clusters called wind farms, with sizes ranging from a few MW (sometimes even a single wind turbine is sold, for instance to a private investor or to give power to an energy intensive factory like a cement plant) up to several hundred MW. These clusters are connected to the…