Study on the oscillation characteristics of doubly-fed wind turbine considering the variation of operating parameters in microgrid

DONG Xiao; LI Yunjing; SUN Pengbo; SUN Shumin; SUN Ning

doi:10.19666/j.rlfd.202308139

English

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Study on the oscillation characteristics of doubly-fed wind turbine considering the variation of operating parameters in microgrid

Thermal Power Generation Vol. 53, Issue 3, Pages: 24-33(2024)

更新时间：2025-09-28

- Study on the oscillation characteristics of doubly-fed wind turbine considering the variation of operating parameters in microgrid
- 作者机构：
  
  1. 国网山东省电力公司
  2. 国网山东省电力公司烟台供电公司
  3. 国网山东省电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202308139
  CLC： TM315
- Published：2024
- 稿件说明：
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DONG Xiao, LI Yunjing, SUN Pengbo, et al. Study on the oscillation characteristics of doubly-fed wind turbine considering the variation of operating parameters in microgrid[J]. Thermal Power Generation, 2024, 53(3): 24-33.
DOI：

DONG Xiao, LI Yunjing, SUN Pengbo, et al. Study on the oscillation characteristics of doubly-fed wind turbine considering the variation of operating parameters in microgrid[J]. Thermal Power Generation, 2024, 53(3): 24-33. DOI： 10.19666/j.rlfd.202308139.

摘要

为了研究微电网内电力设备间的耦合及振荡特性，以双馈风电机组为例，基于暂态能量流法，计及风速和机组控制策略，推导双馈风电机组中风力机子系统、发电机及励磁子系统的能量函数；然后，研究风速、机组控制参数等运行参数变化时各个子系统能量消耗的变化机理，分析机组振荡特性；最后，在PSCAD/EMTDC平台建模仿真，分析运行参数变化时双馈风电机组的能量变化及功率振荡特性，并与特征值计算结果比较，验证分析的合理性，得到风速变化对双馈风电机组振荡的影响机理。

Abstract

To study the coupling and oscillation characteristics of power equipment in microgrid

the energy functions of the wind turbine subsystem

generator and excitation subsystem in the doubly-fed wind turbine are deduced based on the transient energy flow method taking into account the wind speed and the control strategy of the unit. Then

the mechanism of the change of the energy consumption of each subsystem is investigated when the wind speed

the control parameters of the unit and other operational parameters change

and the oscillation characteristics of the unit are analyzed. Finally

the energy change and power oscillation characteristics of the doubly-fed wind turbine when the operation parameters change are analyzed by modeling and simulation on PSCAD/EMTDC platform

and the results are compared with the eigenvalue calculation results to verify the reasonableness of the analysis. At last

the influence mechanism of wind speed change on the oscillation of doubly-fed wind turbine is obtained.

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