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双馈风力发电机组变桨距控制及低电压穿越技术研究

Research on Blade Pitch Control and Low Voltage Ride Through Technology for Doubly Fed Wind Power Generator Units
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摘要 双馈风力发电组变桨距有效控制与低电压穿越技术的应用,有利于增强风力发电稳定性,实现风力机高效运行。文章依据双馈风力发电机组变桨距控制原理,通过对变桨距控制模型、改进变桨距控制器、明确运行控制流程、完善变桨距控制结构等路径进行分析,促使风力机在变速运行中充分吸收风能,从而有效应对双馈风电机组的低电压穿越过程,提高双馈风电机组的故障穿越能力,以此助力风力机达成电网系统闭环控制目的。 The effective control of blade pitch and the application of low voltage ride-through technology for doubly fed wind power generators contribute to enhancing the stability of wind power generation and achieving efficient operation of wind turbines.Based on the principles of blade pitch control for doubly fed wind power generator units,this paper analyzes the control model,improves the pitch control system,clarifies the operational control process,and enhances the pitch control structure.These measures enable wind turbines to fully harness wind energy during variable-speed operation,effectively addressing the low voltage ride-through process for doubly fed wind power generator units,and improving their fault ride-through capability.This,in turn,supports wind turbines in achieving closed-loop control of the power grid system.
作者 刘兴华 LIU Xinghua(State Power Investment Corporation Ningxia Energy Aluminum Industry Zhongwei New Energy Co.Ltd.,Zhongwei 755000,China)
出处 《应用能源技术》 2023年第6期39-43,共5页 Applied Energy Technology
关键词 双馈风力发电机组 变桨距 低电压穿越技术 输出功率 doubly fed wind power generator units blade pitch low voltage ride-through technology output power
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