考虑风电机组位置差异的双馈风电场SSO特性及规律研究

doi:10.19912/j.0254-0096.tynxb.2020-0511

摘要/Abstract

摘要： 首先建立基于多机等值的双馈风电场经串补并网系统的阻抗模型,并基于RLC阻抗稳定判据,分析不同位置机组控制参数和风速变化时对整个并网系统次同步振荡特性的影响,并通过仿真进行验证。结果表明,不同位置机组的控制参数及风速对整个系统次同步振荡特性的影响存在差异,且控制参数的差异会随风速的变化而变化。

关键词: 风电场, 次同步振荡, 异步发电机, 双馈风电机组, 多机系统, 阻抗模型

Abstract: In this paper, the impedance models of two doubly fed induction generators（DFIGs） are established. Based on the RLC impedance stability criterion, the SSO characteristics of grid-connected system under different wind speed and control parameter for each DFIG were investigated, and the conclusion was verified by simulation. The final results show that there is a difference between DFIGS at different locations under different control parameters and wind speeds, and the difference will change when control parameters and wind speed changes.

Key words: wind farms, subsynchronous resonance, asynchronous generators, doubly fed induction generator（DFIG）, multiple wind turbines, impedance model

中图分类号:

TK513.5

刘其辉, 洪晨威. 考虑风电机组位置差异的双馈风电场SSO特性及规律研究[J]. 太阳能学报, 2022, 43(3): 433-441.

Liu Qihui, Hong Chenwei. STUDY ON SSO CHARACTERISTICS AND PATTERNS OF DOUBLY-FED WIND FARM CONSIDERING DIFFERENCE OF DFIG LOCATION[J]. Acta Energiae Solaris Sinica, 2022, 43(3): 433-441.

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