Dynamic analysis of three-dimensional drivetrain system of wind turbine

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• 作者：Wei Shi (1)
  Hyun-Chul Park (2)
  Sangkwon Na (3)
  Jinseop Song (4)
  Sangjin Ma (1)
  Chang-Wan Kim (1)
  
• 关键词：Wind turbine ; Mathematical model ; Drivetrain ; Three ; dimensional dynamics ; Dynamic loads
• 刊名：International Journal of Precision Engineering and Manufacturing
• 出版年：2014
• 出版时间：July 2014
• 年：2014
• 卷：15
• 期：7
• 页码：1351-1357
• 全文大小：731 KB
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• 作者单位：Wei Shi (1)
  Hyun-Chul Park (2)
  Sangkwon Na (3)
  Jinseop Song (4)
  Sangjin Ma (1)
  Chang-Wan Kim (1)
  
  1. School of Mechanical Engineering, Konkuk University, Seoul, 143-701, South Korea
  2. Department of Mechanical Engineering, Pohang University of Science and Technology, San 31, Hyoja-dong, Nam-gu, Pohang, Kyungbuk, 790-784, South Korea
  3. POSCO, Incheon, 406-840, South Korea
  4. Korea Institute of Machinery & Materials, Daejon, 305-343, South Korea
  
• ISSN：2005-4602

文摘

In our previous study, a torsional model was used to perform a dynamic analysis of a wind turbine drivetrain. However, detailed characteristics could not be obtained with this torsional model. In this paper, the mathematical model of the wind turbine drivetrain is extended to a three-dimensional dynamic model. A typical arrangement with one low-speed planetary gear stage and two highspeed spur gear stages is used in this work. The governing equation of the drivetrain is derived by using Lagrange’s equation. Lagrange’s equation takes into account the kinetic energy of each component and potential energies from the shaft, bearing, and gear mesh. The governing equation is solved numerically using direct numerical integration. A dynamic analysis is carried out to investigate the transient response of the drivetrain system.