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Fault Ride through of Doubly Fed Induction Generator Wind Turbine Based on Supercapacitors Energy Storage
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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Online since:
October 2011
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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