Advanced Wind Turbine Program Next Generation Turbine ... - NREL

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Advanced Wind Turbine Program Next Generation Turbine Development Project June 17, 1997 — April 30, 2005 GE Wind Energy, LLC Tehachapi, California NREL Technical Monitor: S. Schreck Prepared under Subcontract No. ZAM-7-13320-26 National Renewable Energy Laboratory 1617 Cole Boulevard, Golden, Colorado 80401-3393 303-275-3000 • www.nrel.gov Operated for the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy by Midwest Research Institute • Battelle Contract No. DE-AC36-99-GO10337 Subcontract Report NREL/SR-500-38752 May 2006
NOTICE This report was prepared as an account of work sponsored by an agency of the United States government. Neither the United States government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States government or any agency thereof. Available electronically at http://www.osti.gov/bridge Available for a processing fee to U.S. Department of Energy and its contractors, in paper, from: U.S. Department of Energy Office of Scientific and Technical Information P.O. Box 62 Oak Ridge, TN 37831-0062 phone: 865.576.8401 fax: 865.576.5728 email: mailto:reports@adonis.osti.gov Available for sale to the public, in paper, from: U.S. Department of Commerce National Technical Information Service 5285 Port Royal Road Springfield, VA 22161 phone: 800.553.6847 fax: 703.605.6900 email: orders@ntis.fedworld.gov online ordering: http://www.ntis.gov/ordering.htm This publication received minimal editorial review at NREL Printed on paper containing at least 50% wastepaper, including 20% postconsumer waste
Page 1: National Renewable Energy Laborator
Page 5 and 6: Abstract This document reports the
Page 7 and 8: In addition to innovations resultin
Page 9 and 10: 3.2.3 Mechanical Loads Testing of t
Page 11 and 12: List of Symbols and Abbreviations A
Page 13 and 14: The SOW also stipulates that GE see
Page 15 and 16: 2.1 Electromechanical Systems Conce
Page 17 and 18: Table 1. Summary of the Key Drive T
Page 19 and 20: 2.1.1 Conventional-Speed Generators
Page 21 and 22: other than the wound rotor inductio
Page 23 and 24: offer compelling advantages to COE.
Page 25 and 26: cluded that the same would likely b
Page 27 and 28: cannot be designed for unity power
Page 29 and 30: Figure 5. Fatigue Damage Equivalent
Page 31 and 32: 2.3 Rotor and Structural Design Con
Page 33 and 34: 2.3.1.1 Upwind Rotor Blade and Towe
Page 35 and 36: Percent Change in Load Percent Chan
Page 37 and 38: the other three combinations of rot
Page 39 and 40: Percent Reduction in Component of F
Page 41 and 42: Design rules were used to estimate
Page 43 and 44: formed using the baseline rotor des
Page 45 and 46: duce an average flapwise deflection
Page 47 and 48: would be to reduce the COE by reduc
Page 49 and 50: 2.3.5 Boundary Layer Control GE com
Page 51 and 52: Perhaps the most important outcome
Page 53 and 54:
Table 3. Proof of Concepts Turbine
Page 55 and 56:
Figure 16. Schematic of the Proof o
Page 57 and 58:
• Measure thermal characteristics
Page 59 and 60:
Figure 21. POC Drive Train on the N
Page 61 and 62:
• The lift and drag characteristi
Page 63 and 64:
Figure 24. NGT POC Airfoil Family F
Page 65 and 66:
One of the prototype blades was ini
Page 67 and 68:
least 20 years of equivalent loadin
Page 69 and 70:
3.2.1 Power Performance Testing of
Page 71 and 72:
Maxi mum Ti p Speed (m/s) Sound Pow
Page 73 and 74:
Table 6. Engineering & Manufacturin
Page 75 and 76:
GE briefly considered the costs and
Page 77 and 78:
Figure 38. EMD 37-m (GE37a) Blade 6
Page 79 and 80:
Development of the concept required
Page 81 and 82:
Bench tests verified PLC control mo
Page 83 and 84:
4.3.2 Mechanical Loads Testing of t
Page 85 and 86:
5 Commercialization of GE NGT Techn
Page 87:
F1146-E(12/2004) REPORT DOCUMENTATI
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Advanced Wind Turbine Program Next Generation Turbine ... - NREL

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