PROPORTIONAL-RESONANT CONTROL OF DOUBLY-FED INDUCTION GENERATOR WIND TURBINES FOR LOW-VOLTAGE RIDE-THROUGH ENHANCEMENT

Proportional-Resonant Control of Doubly-Fed Induction Generator Wind Turbines for Low-Voltage Ride-Through Enhancement

A novel control strategy is proposed in this paper for the rotor side converter (RSC) of doubly-fed induction generator (DFIG)-based wind power generation systems.It is supposed to enhance the low-voltage ride-through (LVRT) capability of DFIGs during great-level grid voltage dips.The strategy consists of a proportional-resonant (PR) controller and

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Physiotherapy for ECMO patients

Abstract Physiotherapy is part of the overall care in an interdisciplinary intensive care unit.Patients on extracorporeal membrane oxygenation (ECMO) were previously deemed to be Dice too unstable to mobilise.Safety is of paramount importance as these patients often have multiple large cannulas, monitoring and lines.Mobilisation protocols should be

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