More Efficient Transportation for New Wind Turbine Blades
Manufacturers of wind turbine and components are looking for more efficient transportation for their longer and heavier multi megawatt turbine structures. P. P. Basistha reports.
Wind turbine manufacturers are setting up taller wind farms through erection of towers of hub heights ranging between 90 to 120 meters. Higher towers will mean speedier winds for producing more power. The hub heights of towers during the last seven to eight years went up from 30 to 50 meters, and now by 72-80-90-100-108 and 120 meters. With the increment in tower heights, the diameters are now between 3.8 to 5.4 meters, while the nacelles are also heavier at 72.3 to 106 tons. As a result, power generation capacity of the mills has gone up from 250 kw to 1.5 to 2, 2.1 and 2.5 mw.
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Lifting & Specialized Transport April-June 2017