Journal of the Korean Society of Manufacturing Process Engineers (한국기계가공학회지)

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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A Study on Components Load of 5MW Wind Turbine Pitch Drive

5MW 풍력용 Pitch Drive 구성품의 부하에 관한 연구

  • Kim, Dong-Young (Department of Mechanical & Aerospace Engineering, Gyeongsang National University) ;
  • Lee, In-Bum (Department of Mechanical & Aerospace Engineering, Gyeongsang National University) ;
  • Liang, Long-Jun (Department of Mechanical & Aerospace Engineering, Gyeongsang National University) ;
  • Lyu, Sung-Ki (Department of Mechanical & Aerospace Engineering, Gyeongsang National University (ReCAPT))
  • 김동영 (경상대학교 기계항공학부) ;
  • 이인범 (경상대학교 기계항공학부) ;
  • 양용군 (경상대학교 기계항공학부) ;
  • 류성기 (경상대학교 기계항공학부)
  • Received : 2014.02.03
  • Accepted : 2014.02.18
  • Published : 2014.02.28
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Abstract

Wind power is a type of clean energy source which does not produce carbon dioxide. The wind turbine industry is considered as a major growth industry in many countries. The main cause of wind turbine failure arises in the wind turbine gearbox, and the main type of damage occurs in the bearings and gears. Therefore, predictions of gear and bearing damage are very important to ensure the reliability of the wind turbine reducers used in these systems. In this research, in order to optimize the wind turbine reducer, a series of simulations and redesigns was done using the tool RomaxDesigner. The RomaxDesigner model was used to analyze the bearing life of the duty cycle for a 5 MW wind-turbine pitch drive and to calculate the load in operating states. The reducer was designed to satisfy the life requirement by analyzing bearing damage and calculating the stress values of the main parts of the reducer.

Keywords

References

  1. GWEC, "Groblal Wind Energy 2011 Report", Global Wind Energy Council, Belgium, pp. 18-21, 2012.
  2. McNiff, B., Musial, W.D. and Errichello, R., "Variations in Gear Fatigue Life for Different Wind Turbine Braking Strategies,"Solar Energy Research Institute, Golden, Colorado USA, 1990.
  3. Dorling, R., "A New Methodology for Wind Turbine Gearbox Design and Assessment," Romax Technology, England.
  4. Duley, D. W., "Handbook of Practical Gear Design," CRC Press, pp. 2.7-2.24, 2002.
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  6. ISO 281, "Rolling bearings-Dynamic load ratings and rating life(Second Edition)," ISO, February 2007.
  7. ISO 76, "Rolling bearings-Static load ratings (Third edition),"ISO, May 2006.
  8. RomaxDesigner 12.1-Bearing Application Notes, Romax Technology Ltd., UK, July 2004.
  9. RomaxDesigner User Manual, Romax Technology Ltd, Nottingham, UK, 2003.

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