Feasibility study of pultruded blades for wind turbine rotors

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In work performed under subcontract to the National Renewable Energy Laboratory (NREL), a preliminary design study and proof-of-concept field test were conducted to evaluate the feasibility of using pultruded blades for wind turbine rotors. A 400 kW turbine was selected for the design study, and a scaled 80 kW rotor was fabricated and tested as a demonstration of the concept. To examine the feasibility of pultruded blades, several issues were addressed, including power performance, tower strikes, yaw stability, stall flutter, fatigue, and rotor cost. Results showed that with proper design, rotors using pultruded blades demonstrate acceptable fatigue life and stable ... continued below

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Migliore, P.G. & Cheney, M.C. February 28, 2000.

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In work performed under subcontract to the National Renewable Energy Laboratory (NREL), a preliminary design study and proof-of-concept field test were conducted to evaluate the feasibility of using pultruded blades for wind turbine rotors. A 400 kW turbine was selected for the design study, and a scaled 80 kW rotor was fabricated and tested as a demonstration of the concept. To examine the feasibility of pultruded blades, several issues were addressed, including power performance, tower strikes, yaw stability, stall flutter, fatigue, and rotor cost. Results showed that with proper design, rotors using pultruded blades demonstrate acceptable fatigue life and stable yaw behavior without tower strikes. Furthermore, blades using this technology may be manufactured for approximately half the cost of conventional blades. Field tests of the scaled rotor provided experimental data on power performance and loads while verifying stable yaw operation.

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  • ASME/AIAA 2000 Wind Energy Symposium, Reno, NV (US), 01/10/2000--01/13/2000

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  • Report No.: NREL/CP-500-27506
  • Grant Number: AC36-99GO10337
  • Office of Scientific & Technical Information Report Number: 753806
  • Archival Resource Key: ark:/67531/metadc706555

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • February 28, 2000

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  • Sept. 12, 2015, 6:31 a.m.

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  • March 31, 2016, 2:47 p.m.

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Migliore, P.G. & Cheney, M.C. Feasibility study of pultruded blades for wind turbine rotors, article, February 28, 2000; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc706555/: accessed December 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.