Experiment of a Resistive Superconducting Fault Current Limiter Based on MgB2 under Different Supply Voltages

Lei Yao; Jun Mei; Jian Yong Zheng; Bin Liu; You Xu

doi:10.4028/www.scientific.net/AMR.721.527

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 721Experiment of a Resistive Superconducting Fault...

Experiment of a Resistive Superconducting Fault Current Limiter Based on MgB2 under Different Supply Voltages

Abstract:

In order to limit the short-circuit current, and to prevent the power grid and its equipment from the shock of the short circuit, the fault current limiter with detection, trigger and limiting was introduced. A small resistive type superconducting fault current limiter prototype based on MgB2, cooled by liquid helium and heliumgas, was developed and tested by a test system. The test result showed that the prototype based on MgB2 produced superior limiting performance, the short-circuit current suppressing ratio was up to more than 45%, and with the rise of the voltage level, the current limiting capability was also gradually increased, up to 56%.

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Periodical:

Advanced Materials Research (Volume 721)

Pages:

527-530

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.721.527

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Online since:

July 2013

Authors:

Lei Yao, Jun Mei, Jian Yong Zheng, Bin Liu, You Xu

Keywords:

MgB2, Quench, Short-Current, Superconductor Fault Current Limiter

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