Fault Ride through of Doubly Fed Induction Generator Wind Turbine Based on Supercapacitors Energy Storage

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Abstract:

This paper proposes a low voltage ride through (LVRT) scheme of doubly fed induction generator (DFIG) based on the supercapacitors energy storage. The novel control strategy of the bi-directional converter and the grid side converter is established. Simulation model of the DFIG system is developed. Simulation results show that the presented scheme can efficiently reduce the DC-link overvoltage, supply reactive power to the power system through grid side converter, and help grid recovery under system fault, improving the LVRT capability of the system.

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2851-2854

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October 2011

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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