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Licensed Unlicensed Requires Authentication Published by De Gruyter August 6, 2013

A Solid-State Fault Current Limiting Device for VSC-HVDC Systems

D. Marene Larruskain, Inmaculada Zamora, Oihane Abarrategui, and Araitz Iturregi


Faults in the DC circuit constitute one of the main limitations of voltage source converter VSC-HVDC systems, as the high fault currents can damage seriously the converters. In this article, a new design for a fault current limiter (FCL) is proposed, which is capable of limiting the fault current as well as interrupting it, isolating the DC grid. The operation of the proposed FCL is analysed and verified with the most usual faults that can occur in overhead lines.


The work presented in this article has been supported by the Basque Government (Ref. SAI 12/07) and by the University of the Basque Country UPV/EHU (UFI 11/28).


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Published Online: 2013-08-06

©2013 by Walter de Gruyter Berlin / Boston

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