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Fault monitoring scheme for large-scale offshore wind turbines
Author(s): LI Peng, SONG Yong-duan, LIU Wei, QIN Ming
Pages: 43-
49
Year: 2012
Issue:
1
Journal: Relay
Abstract: 针对大型水平轴离岸风力发电机,建立考虑塔架振动的动力学模型,研究大于额定风速区域,变桨控制模式下的机组状态监测方案,实现变桨执行器的故障估计.为满足高效实用的监控方案要求,将大于额定风速时的非线性机组动力学在额定工作点附近线性化,并设计一种基于Setpoint Overshoot分析法的PI控制器进行变桨,保留了传统PI控制器简单实用的优点,且优化了参数调节过程,从而实现更高效便捷的额定功率输出控...
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