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Modeling and control of Type-2 wind turbines for sub-synchronous resonance damping

机译:用于次同步谐振阻尼的2型风力涡轮机的建模与控制

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摘要

The rapid increase of wind power penetration into power systems around the world has led transmission system operators to enforce stringent grid codes requiring novel functionalities from renewable energy-based power generation. For this reason, there exists a need to asses whether wind turbines (WTs) will comply with such functionalities to ensure power system stability. This paper demonstrates that Type-2 WTs may induce sub-synchronous resonance (SSR) events when connected to a series-compensated transmission line, and with proper control, they may also suppress such events. The paper presents a complete dynamic model tailored to study, via eigenanalysis, SSR events in the presence of Type-2 WTs, and a systematic procedure to design a power system stabilizer using only local and measurable signals. Results are validated through a case study based on the IEEE first benchmark model for SSR studies, as well as with transient computer simulations. (C) 2015 Elsevier Ltd. All rights reserved.
机译:风电在全球电力系统中的渗透迅速增加,导致输电系统运营商强制执行严格的电网法规,要求可再生能源发电具有新颖的功能。因此,有必要评估风力涡轮机(WTs)是否符合此类功能,以确保电力系统的稳定性。本文证明,类型2 WT在连接到串联补偿传输线时可能会引发亚同步谐振(SSR)事件,并且通过适当的控制,它们也可能抑制此类事件。本文提出了一个完整的动态模型,该模型专门用于通过特征分析研究在2型WT的存在下的SSR事件,以及一种仅使用局部和可测量信号设计电力系统稳定器的系统程序。通过基于用于SSR研究的IEEE第一基准模型的案例研究以及瞬态计算机仿真,对结果进行了验证。 (C)2015 Elsevier Ltd.保留所有权利。

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