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

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Table 3. Proof of Concepts Turbine Configuration Description (Continued) Drive train Gearbox Type Gearbox Rated Power Gearbox Ratio Shaft Brake Type Shaft Brake Location Generator Generator Type Number of Poles Synchronous Speed Rated Generator Speed Minimum Power Generator Speed Speed Range Turbine Line Voltage Rotor Rated Current Turbine Generating Frequency Generator Insulation Class Cooling Systems Yaw System Wind Direction Sensor Yaw Control Method Yaw Bearing Type Control System Make, Controller Power Conversion Strategy Power Logic/Device Type Controller Logic Systems SCADA Tower Type Material Height Foundation Type Material Height 43 3-Stage, Planetary/Helical 1,660 kW 1:72 Single Disk Active High-Speed Shaft Doubly Fed Asynchronous 6 1,200 rpm 1,440 rpm 850 rpm 800-1,600 rpm 575 VAC 585 A 60 Hz F Water-to-Air Cooled Wind Vane Planetary Drive Friction GE Winteligence Doubly Fed PWM/IGBT Microprocessor-based GE VisuPro Tapered Tube Certified Steel 63.1 m Pad/Pedestal Concrete 5.0 m
Figure 16. Schematic of the Proof of Concepts Turbine 44
Page 1 and 2:
National Renewable Energy Laborator
Page 3 and 4: NOTICE This report was prepared as
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: Table 3. Proof of Concepts Turbine
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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