Scholarlink

Wind power generation systems based on doubly-fed induction generator (DFIG) are subject to the shafting oscillation under small disturbances such as uncertainty in wind speed and grid short-circuit faults, which will cause oscillations in the output power. In this paper, according to the damping characteristics of shafting oscillation in DFIG system, the mechanism of DFIG electromagnetic torque on shafting damping in common control modes is deduced. On this basis, the impact of wind speed and current inner loop control proportional coefficients on shafting oscillation is analyzed in detail. The shafting oscillation mechanism of DFIG system has been profoundly revealed from the physical level, and the theoretical found for the analyzing and suppressing of low-frequency oscillation in DFIG wind turbine (WT) system is laid. Finally, the DIgSILENT/PowerFactory simulation platform was used to model and verify the relevant simulations.

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Analysis of Shafting Oscillation Characteristics for Grid-Connected DFIG-Based Wind Power Generation System

  • 会议论文

  • 发表日期：

    2025年

查看全文
  • Xiaoju Li,
  • Yuheng Yang,
  • Yuming Liu,
  • Xue Chen,
  • Mincai Yang,
  • Jun Yao

摘要

Wind power generation systems based on doubly-fed induction generator (DFIG) are subject to the shafting oscillation under small disturbances such as uncertainty in wind speed and grid short-circuit faults, which will cause oscillations in the output power. In this paper, according to the damping characteristics of shafting oscillation in DFIG system, the mechanism of DFIG electromagnetic torque on shafting damping in common control modes is deduced. On this basis, the impact of wind speed and current inner loop control proportional coefficients on shafting oscillation is analyzed in detail. The shafting oscillation mechanism of DFIG system has been profoundly revealed from the physical level, and the theoretical found for the analyzing and suppressing of low-frequency oscillation in DFIG wind turbine (WT) system is laid. Finally, the DIgSILENT/PowerFactory simulation platform was used to model and verify the relevant simulations.