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Sensorless fault-tolerant control of VS Wind Turbines maximizing efficiency in the presence of electrical faults

机译:VS风力发电机组的无传感器容错控制可在出现电气故障时最大程度地提高效率

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This paper proposes a sensorless fault-tolerant control technique solving the tracking problem of the maximum delivered power characteristic for a wind energy conversion system equipped with a permanent magnet synchronous generator. A previously published control scheme ensuring the achievement of maximum power efficiency of the wind turbine, not requiring feedback information about rotor speed and position, and about wind velocity, is here extended to make the control scheme fault-tolerant with respect to possible faults affecting the equations of the PMSG in the original (??,??) frame. The control law is based on a number of interconnected nonlinear observers, and closed loop asymptotic vanishing of the observation errors is proved, as well as boundedness of the observer variables.
机译:本文提出了一种无传感器的容错控制技术,该技术解决了配备永磁同步发电机的风能转换系统的最大输出功率特性的跟踪问题。此处扩展了先前发布的控制方案,该方案可确保实现风力涡轮机的最大功率效率,而不需要有关转子速度和位置以及风速的反馈信息,从而使控制方案对于影响风力发电机组的可能故障具有容错能力。 (?,??)帧中PMSG的方程。控制律基于许多相互连接的非线性观测器,并且证明了观测误差的闭环渐近消失以及观测器变量的有界性。

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