山东大学学报 (工学版) ›› 2022, Vol. 52 ›› Issue (5): 102-110.doi: 10.6040/j.issn.1672-3961.0.2021.474
马欢1,杨冬1,高志民2,曹永吉2*,秦昊2,程定一1,王亮3,蒋哲1
MA Huan1, YANG Dong1, GAO Zhimin2, CAO Yongji2*, QIN Hao2, CHENG Dingyi1, WANG Liang3, JIANG Zhe1
摘要： 针对双馈风机虚拟惯量控制的研究大多聚焦于转子转速恢复策略设计和控制参数优化,难以应对双馈风机出力骤降所带来的频率波动问题,本研究提出一种基于改进虚拟惯量法的频率综合控制策略,在双馈风机退出调频过程中,附加基于风机转速反馈的微分控制环节,降低转速恢复的速度,避免发生风机出力骤降,以抑制频率波动,同时综合超速控制,使双馈风机调频性能更优。在DIgSILENT/PowerFactory中搭建了仿真模型,对比验证了所提控制策略在不同场景下的有效性。算例结果表明,所提控制策略能够改进风机的惯量响应和一次调频特性,有效地避免频率快速变化。
中图分类号:
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