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首页> 外文期刊>Renewable Power Generation, IET >Analysis, simulation and testing of the ZVRT capability of a wind turbine with a doubly fed induction generator
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Analysis, simulation and testing of the ZVRT capability of a wind turbine with a doubly fed induction generator

机译：用双馈感应发电机的风力涡轮机ZVRT能力的分析，仿真和测试

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摘要

Zero-voltage ride through (ZVRT) is the extreme case of a low-voltage ride through (LVRT), which represents the optimal grid-connection capability of a wind turbine (WT). Enforcing ZVRT will improve the dynamic performance of a WT under the extreme conditions, and therefore significantly enhance the resiliency of a renewable-rich power grid. Compared with LVRT, there are few research on ZVRT with no field validation been conducted. The feasibility of the ZVRT requirement, especially the 400-ms-level fault-time condition, is not clear yet. The first system-level study including the control strategy, transient analysis, hardware enhancement strategy, WT modelling and field test on the ZVRT capability of a Type-3 WT is presented in this study. Particularly, to meet the challenging technical requirements, the authors proposed a hardware enhancement strategy, which accommodates with the widely-used LVRT control approach. The holistic strategy is tested under the extreme grid-connection condition by both simulation and a costly field test. The field test in the 400-ms-level fault-time condition based on an operating WT in a weak power system directly verifies the feasibility and effectiveness of ZVRT for a Type-3 WT. Furthermore, the critical time window and the key parameter ranges during ZVRT, which significantly affect ZVRT performance, are obtained.
机译：零电压骑行（ZVRT）是通过（LVRT）的低电压乘车（LVRT）的极端情况，这代表了风力涡轮机（WT）的最佳网格连接能力。强制ZVRT将在极端条件下提高WT的动态性能，因此显着提高了富有的富力电网的弹性。与LVRT相比，ZVRT几乎没有关于没有进行现场验证的研究。 ZVRT要求的可行性，尤其是400 ms级故障时间条件，尚不清楚。本研究介绍了第一个系统级研究，包括控制策略，瞬态分析，硬件增强策略，WT建模和ZVRT能力的ZVRT能力。特别是，为了满足具有挑战性的技术要求，作者提出了一种硬件增强策略，其具有广泛使用的LVRT控制方法。通过仿真和昂贵的现场测试，在极端电网连接条件下测试整体策略。基于弱电力系统中的操作WT的400 MS电平故障时间条件的现场测试直接验证ZVRT为3型WT的可行性和有效性。此外，获得了临界时间窗口和显着影响ZVRT性能的ZVRT期间的关键时间窗口。

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  • 来源
    《Renewable Power Generation, IET》 |2020年第14期|2738-2749|共12页
  • 作者

    Enyu Cai; Xiaozhong Liao; Lei Dong; Yongzhan Li; Chong Jiao;

  • 作者单位

    Beijing Institute of Technology School of Automation No. 5 South Zhongguancun Street Beijing People's Republic of China;

    Beijing Institute of Technology School of Automation No. 5 South Zhongguancun Street Beijing People's Republic of China;

    Beijing Institute of Technology School of Automation No. 5 South Zhongguancun Street Beijing People's Republic of China;

    Guodian United Power Technology Co. Ltd. State Key Laboratory of Wind Power Equipment and Control Beijing People's Republic of China;

    Guodian United Power Technology Co. Ltd. State Key Laboratory of Wind Power Equipment and Control Beijing People's Republic of China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    wind power plants; transient analysis; asynchronous generators; power supply quality; power grids; wind turbines; power generation faults;

    机译：风力发电厂;瞬态分析;异步发电机;电源质量;电网;风力涡轮机;发电故障;

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