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Title: WindPACT Rotor Design Study: Hybrid Tower Design; Period of Performance: 29 June 2000 -- 28 February 2004

Abstract

The cost of a wind turbine tower can represent as much as 20% of the cost of an entire megawatt-scale horizontal axis wind turbine (HAWT) and as much as 10% of the total cost of energy. The tower is a major cost component, and its design is important: Its structural properties are key to the response of the rotor; its height determines the wind regime that the rotor experiences; it allows access to the turbine nacelle and rotor; and it houses components of the electrical connection and the control and protection systems. Most large wind turbines installed in the United States use self-supporting steel tubular towers. The diameter of these tubes is limited by the size that can be transported by road (approximately 4.3 m). The base dimensions of a truss tower are not restrained by this limit, but trusses may require more maintenance. Guyed tube towers have been used, but they represent additional foundation costs and inconvenience. Addressing these limitations may lead to an alternative that avoids the problems. For this reason, the WindPACT Rotor Design Study was modified to include a study of a hybrid tower to determine the technical and economic feasibility of such a design.

Authors:
Publication Date:
Research Org.:
National Renewable Energy Lab., Golden, CO (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
15007349
Report Number(s):
NREL/SR-500-35546
YAT-0-30213-01; TRN: US200415%%172
DOE Contract Number:  
AC36-99-GO10337
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 1 Apr 2004; Related Information: Work performed by Global Energy Concepts LLC, Kirkland, Washington
Country of Publication:
United States
Language:
English
Subject:
17 WIND ENERGY; 36 MATERIALS SCIENCE; DESIGN; DIMENSIONS; ECONOMICS; MAINTENANCE; PERFORMANCE; ROTORS; STEELS; TURBINES; WIND TURBINES; WIND POWER; WIND ENERGY; WIND TURBINE; TOWER; HYBRID TOWER; WINDPACT

Citation Formats

Malcolm, D. J. WindPACT Rotor Design Study: Hybrid Tower Design; Period of Performance: 29 June 2000 -- 28 February 2004. United States: N. p., 2004. Web. doi:10.2172/15007349.
Malcolm, D. J. WindPACT Rotor Design Study: Hybrid Tower Design; Period of Performance: 29 June 2000 -- 28 February 2004. United States. doi:10.2172/15007349.
Malcolm, D. J. Thu . "WindPACT Rotor Design Study: Hybrid Tower Design; Period of Performance: 29 June 2000 -- 28 February 2004". United States. doi:10.2172/15007349. https://www.osti.gov/servlets/purl/15007349.
@article{osti_15007349,
title = {WindPACT Rotor Design Study: Hybrid Tower Design; Period of Performance: 29 June 2000 -- 28 February 2004},
author = {Malcolm, D. J.},
abstractNote = {The cost of a wind turbine tower can represent as much as 20% of the cost of an entire megawatt-scale horizontal axis wind turbine (HAWT) and as much as 10% of the total cost of energy. The tower is a major cost component, and its design is important: Its structural properties are key to the response of the rotor; its height determines the wind regime that the rotor experiences; it allows access to the turbine nacelle and rotor; and it houses components of the electrical connection and the control and protection systems. Most large wind turbines installed in the United States use self-supporting steel tubular towers. The diameter of these tubes is limited by the size that can be transported by road (approximately 4.3 m). The base dimensions of a truss tower are not restrained by this limit, but trusses may require more maintenance. Guyed tube towers have been used, but they represent additional foundation costs and inconvenience. Addressing these limitations may lead to an alternative that avoids the problems. For this reason, the WindPACT Rotor Design Study was modified to include a study of a hybrid tower to determine the technical and economic feasibility of such a design.},
doi = {10.2172/15007349},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2004},
month = {4}
}

Technical Report:

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