一种满足电网规范要求的基于DFIG的风电机组变频器控制策略

2016 2nd International Conference on Electrical, Computer & Telecommunication Engineering (ICECTE) Pub Date : 2016-12-01 DOI:10.1109/ICECTE.2016.7879578

M. Islam, M. Sheikh, Z. Tasneem

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引用次数: 5

摘要

定速风力发电系统存在各种问题，特别是在瞬态工况下。因此，近年来双馈感应发电机(DFIGs)的使用显著增加。DFIGs对外部故障很敏感。然而，没有尝试调查在电压下降条件下增加变频器/逆变器载波频率对变速风力发电机的影响。本文研究了一种合适的变频器控制策略，以提高DFIG型风力发电机组的低电压穿越能力。仿真结果表明，该拓扑结构提高了LVRT在网格编码下的性能。利用PSCAD/EMTDC软件对实际风速数据进行了模拟。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A frequency converter control strategy of DFIG based wind turbine to meet grid code requirements

Fixed speed wind turbine generator systems suffer from various problems specially in transient conditions. So, in recent years the use of doubly fed induction generators (DFIGs) has increased significantly. DFIGs are sensitive to external faults. However, no attempts have been made to investigate the impact of increasing the carrier frequency of frequency converter/inverter for variable speed wind generators during voltage dip conditions. In this paper a suitable control strategy is developed for frequency converter/inverter to improve the low voltage ride through (LVRT) capability of DFIG based wind turbines. Simulation results indicate that the proposed topology improve the LVRT capability under grid codes. PSCAD/EMTDC software has been used for simulations under real wind speed data.

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来源期刊

2016 2nd International Conference on Electrical, Computer & Telecommunication Engineering (ICECTE)

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