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Generator-Damped Torsional Vibrations of a Vertical Axis Wind Turbine

机译:垂直轴风力发电机的发电机阻尼扭转振动

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摘要

Torsional vibrations may be a critical issue for those vertical axis wind turbines having long drive trains as compared with standard horizontal axis wind turbines. Such vibrations are studied by simulation for two different types of generators used with a vertical axis wind turbine, namely a conventional induction generator with a gearbox and a directly-driven multipole synchronous generator. The synchronous generator has been designed with FEM simulations. The didactic calculations show from first principles that a directly-driven generator is to be preferred when torsional vibrations are considered, since the eigen-frequency of the fundamental vibration is greater for a directly driven generator than otherwise. Thus, the risk of resonance is reduced in a stiff assembly. The generator damping of the vibrations for the simulated, directly-driven synchronous generator is also studied.
机译:与标准水平轴风力涡轮机相比,扭转振动对于具有长传动系的那些垂直轴风力涡轮机可能是关键问题。通过仿真研究了垂直轴风力涡轮机使用的两种不同类型的发电机(即带齿轮箱的常规感应发电机和直接驱动的多极同步发电机)的振动。同步发电机已通过FEM仿真进行设计。从第一原理的理论计算表明,当考虑扭转振动时,直接驱动的发电机是优选的,因为直接驱动的发电机的基本振动的本征频率比其他方式更大。因此,在刚性组件中降低了共振的风险。还研究了模拟直接驱动同步发电机的发电机振动阻尼。

著录项

  • 来源
    《Wind Engineering》 |2005年第5期|p. 449-462|共14页
  • 作者

    Sandra Eriksson; H. Bernhoff;

  • 作者单位

    Centre for Renewable Electric Energy Conversion, Division for Electricity and Lightning Research, Box 534, 751 21 Uppsala, Sweden;

    Centre for Renewable Electric Energy Conversion, Division for Electricity and Lightning Research, Box 534, 751 21 Uppsala, Sweden;

  • 收录信息 美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 风能、风力机械;
  • 关键词

  • 入库时间 2022-08-18 00:26:15

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