Frequency Scan–Based Mitigation Approach of Subsynchronous Control Interaction in Type-3 Wind Turbines
Frequency Scan–Based Mitigation Approach of Subsynchronous Control Interaction in Type-3 Wind Turbines
复制标题
DOI：
10.3390/en14154626
复制
发表时间：
2021-07
期刊：
影响因子：
3.2
通讯作者：
Faris Alatar;A. Mehrizi‐Sani
中科院分区：
文献类型：
--
作者：
Faris Alatar;A. Mehrizi‐Sani
将风能资源整合到电网中对电力系统动态特性提出了一些挑战。更具体地说，当3型风力涡轮机径向连接到串联补偿传输线时，它们容易受到次同步控制相互作用（SSCI）的影响。SSCI可能导致发电中断，并可能导致风电场（WF）组件和设备的严重损坏。本文提出了一种方法，以减轻SSCI使用在线频率扫描，优化相位角的电压谐波注入，以保持稳态操作，修改控制器或风力涡轮机的操作条件。在PSCAD/EMTDC软件中，基于IEEE次同步谐振第二基准模型对所提出的策略进行了仿真。仿真结果表明，该策略的有效性，确保振荡不会增长。
Integration of wind energy resources into the grid creates several challenges for power system dynamics. More specifically, Type-3 wind turbines are susceptible to subsynchronous control interactions (SSCIs) when they become radially connected to a series-compensated transmission line. SSCIs can cause disruptions in power generation and can result in significant damage to wind farm (WF) components and equipment. This paper proposes an approach to mitigate SSCIs using an online frequency scan, with optimized phase angles of voltage harmonic injection to maintain steady-state operation, to modify the controllers or the operating conditions of the wind turbine. The proposed strategy is simulated in PSCAD/EMTDC software on the IEEE second benchmark model for subsynchronous resonance. Simulation results demonstrate the effectiveness of this strategy by ensuring oscillations do not grow.