2003
DOI: 10.2172/15004456
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Alternative Design Study Report: WindPACT Advanced Wind Turbine Drive Train Designs Study; November 1, 2000 -- February 28, 2002

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Cited by 61 publications
(96 citation statements)
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“…• Composite Blades for 80-to 120-m Rotors [2] • Turbine, Rotor and Blade Logistics [3] • Self Erecting Tower and Nacelle Feasibility [4] • Balance of Station Cost [5] • Turbine Rotor Design Study [6] • Drive Train Alternative Design Studies [7] [8]…”
Section: Historymentioning
confidence: 99%
See 1 more Smart Citation
“…• Composite Blades for 80-to 120-m Rotors [2] • Turbine, Rotor and Blade Logistics [3] • Self Erecting Tower and Nacelle Feasibility [4] • Balance of Station Cost [5] • Turbine Rotor Design Study [6] • Drive Train Alternative Design Studies [7] [8]…”
Section: Historymentioning
confidence: 99%
“…The four designs covered in this model include a three-stage planetary/helical gearbox with highspeed generator, single-stage drive with medium-speed generator, a multi-path drive with multiple generators, and a direct drive with no gearbox. The primary source for informatio the three-stage planetary/helical is the WindPACT rotor study, with costs adjusted from additional information in the two WindPACT advanced drivetrain studies [7,8]. Data fo remaining three design types come primarily from the drivetrain studies and are adjusted for da from industry and LWST reports, where available.…”
Section: Bladesmentioning
confidence: 99%
“…Some engineers believe that directdrive generators could be more reliable than modular gear-driven systems, but some of today's direct-drive generators use wire wound-rotor generators that are heavier than the modular systems. Permanent-magnet generator designs promise weight reductions and improved efficiency (Poore and Lettenmaier 2002). Larger capacity turbines may allow the industry to move into technologies such as lightweight, superconducting generators that become more cost effective with size and show promise for substantial weight reductions that could be advantageous in large floating wind turbines .…”
Section: Drivetrainsmentioning
confidence: 99%
“…Current-source converters have been proposed for wind energy applications [1], and one study has shown that costs could be considerably lower than voltage-source converters of the same rating [2]. However the load-commutated converters under consideration can have trouble coping with grid codes in terms of harmonics and grid fault ride-through.…”
Section: Introductionmentioning
confidence: 99%