Improved Sliding Mode Control for Low-voltage Ride Through of Hybrid Drive Wind Turbine

Ziwei Wang,Wenliang Yin,Lin Liu,Cunshan Zhang

2021 IEEE 5th Conference on Energy Internet and Energy System Integration (EI2)（2021）

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摘要

Hybrid drive wind turbine (HDWT), equipped with the speed regulating differential mechanism (SRDM), is able to be friendly connected to power grid without the need of partly- or fully-rated converters. In order to enhance the low-voltage ride through (LVRT) capability of HDWT, this paper presents an improved sliding mode control (SMC) method for the excitation unit of synchronous generator (SG), i...

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关键词

Low voltage,Voltage fluctuations,Wind speed,Rotors,Observers,Wind turbines,Voltage control

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