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A Cut-Out Strategy for Wind Turbines that Ensures Low-Voltage Ride-Through Capability
Journal of Electrical Engineering & Technology ( IF 1.6 ) Pub Date : 2020-05-14 , DOI: 10.1007/s42835-020-00438-1
Aiguo Tan , Zhihan Tang , Xianbo Sun , Jianwei Zhong , Honghua Liao , Haibing Fang

To ensure the dynamic stability of the system and improve low-voltage ride-through (LVRT) capability, this study presents a cut-out strategy for doubly-fed induction generator (DFIG) wind turbines that combines reactive power output with asynchronous load reduction. This strategy reduces the risk of the large-scale disconnection of DFIGs in a wind farm by regulating the reactive power output of DFIGs in the wind farm and removing DFIGs in an asynchronous state based on the reduction ratio. Simulation results demonstrate that the implementation of this strategy can help increase the voltage at the point of common coupling and the LVRT time for a wind farm.

中文翻译:

确保低电压穿越能力的风力涡轮机切断策略

为了确保系统的动态稳定性并提高低电压穿越 (LVRT) 能力,本研究提出了一种双馈感应发电机 (DFIG) 风力涡轮机的断电策略,该策略将无功功率输出与异步减载相结合。该策略通过调节风电场双馈电机的无功输出,并根据减速比去除异步状态的双馈电机,降低风电场双馈电机大规模断线的风险。仿真结果表明,该策略的实施有助于提高风电场公共耦合点电压和LVRT时间。
更新日期:2020-05-14
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