基于pmsg的风能转换系统低压穿越的改进控制方案

2018 4th International Conference on Green Technology and Sustainable Development (GTSD) Pub Date : 2018-11-01 DOI:10.1109/GTSD.2018.8595506

Tan Luong Van, T. Truong, M. T. Cao, Phu Cong Nguyen, H. Nguyen

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引用次数: 2

摘要

本文通过交换两个变流器的控制角色并使用制动斩波器(BC)，提出了电网电压下降情况下永磁同步发电机(PMSG)风力发电系统的低压穿越(LVRT)方案。直流链路电压在机器侧变换器(MSC)通过应用滑模控制代替电网侧变换器(GSC)进行控制。GSC调节电网有功功率，实现最大功率点跟踪(MPPT)。通过对2[MW]-PMSG风力发电机组系统的仿真验证了该控制算法的有效性。

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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Improved Control Scheme for Low Voltage Ride-Through of PMSG-based Wind Energy Conversion Systems

This paper proposes a low-voltage ride-through (LVRT) scheme for the permanent magnet synchronous generator (PMSG) wind turbine system under grid voltage sags by exchanging of the control roles of the two converters and using the braking chopper (BC). The DC-link voltage is controlled at the machine-side converter (MSC) by applying the sliding mode control instead of the grid-side converter (GSC). The GSC regulates the grid active power for a maximum power point tracking (MPPT). The validity of this control algorithm has been verified by the simulation of the 2[MW]-PMSG wind turbine system.

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2018 4th International Conference on Green Technology and Sustainable Development (GTSD)

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