Resistive superconducting fault current limiter AC loss measurements and analysis

Pei, Xiaoze; Zeng, Xianwu; Smith, Alexander C.; Malkin, Daniel

doi:10.1109/tasc.2016.2536140

Cited by 2 publications

(2 citation statements)

References 14 publications

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“…Several R-SFCL prototypes have been investigated and developed considering different types of configurations and materials [11]- [13]. Some studies use these prototypes to measure electrical and Short Circuit and Recovery Time Tests in a helical bifilar R-SFCL module thermal data, such as losses [14], quench and recovery time [15]- [17], temperature, isolation and cryogenic system [18], [19].…”

Section: Introductionmentioning

confidence: 99%

Short Circuit and Recovery Time Tests in a helical bifilar R-SFCL module

Rocha¹,

Polasek²,

Sotelo

et al. 2021

J. Microw. Optoelectron. Electromagn. Appl.

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Superconducting Fault Current Limiter (SFCL) modules with distinct arrangements have been investigated, seeking design and performance enhancements. In this context, this work aims to propose a design for resistive SFCL (R-SFCL) modules, using RE-Ba-Cu-O high-temperature superconducting tapes (HTS) wound on an alternative support material. An R-SFCL bench prototype was designed for 400 A and 500 V. Two pieces of 2G tapes, arranged in a bifilar antiparallel configuration were wound on Acrylonitrile Butadiene Styrene (ABS) tubes, which were made by means of a 3D printer. During the experiments, the SFCL was immersed in an open bath cryostat with liquid nitrogen and several measurements were carried out. The average limited current is about three times lower than the prospective one. To test the SFCL recovery time, the following procedure was adopted: The fault is induced during three cycles, and after, the current is reduced to zero. The SFCL is reconnected after some time considering that the fault was extinct, and the voltage level returned to normal operation. The results showed promising levels of limitation and recovery time for further developments.

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Section: Introductionmentioning

confidence: 99%

Short Circuit and Recovery Time Tests in a helical bifilar R-SFCL module

Rocha¹,

Polasek²,

Sotelo

et al. 2021

J. Microw. Optoelectron. Electromagn. Appl.

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“…Thus far, various calculation works have been done for the AC loss calculation of straight type and bifilar pancake type SFCL [23][24][25][26][27]. Furthermore, AC loss of solenoidal type SFCL built with MgB 2 has also been under investigation by the University of Manchester [28,29]. However, as far as we know, there is still no systematical simulation work concerning the AC loss of non-inductive solenoidal type SFCLs built with 2G high temperature superconductors (HTSs).…”

Section: Introductionmentioning

confidence: 99%

AC loss modelling and experiment of two types of low-inductance solenoidal coils

Liang

Yuan

Zhang

et al. 2016

Supercond. Sci. Technol.

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Low-inductance solenoidal coils, which usually refer to the nonintersecting type and the braid type, have already been employed to build superconducting fault current limiters because of their fast recovery and low inductance characteristics. However, despite their usage there is still no systematical simulation work concerning the AC loss characteristics of the coils built with 2G high temperature superconducting tapes perhaps because of their complicated structure. In this paper, a new method is proposed to simulate both types of coils with 2D axisymmetric models solved by H formulation. Following the simulation work, AC losses of both types of low inductance solenoidal coils are compared numerically and experimentally, which verify that the model works well in simulating non-inductive coils. Finally, simulation works show that pitch has significant impact to AC loss of both types of coils and the inter-layer separation has different impact to the AC loss of braid type of coil in case of different applied currents. The model provides an effective tool for the design optimisation of SFCLs built with non-inductive solenoidal coils.

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Resistive superconducting fault current limiter AC loss measurements and analysis

Cited by 2 publications

References 14 publications

Short Circuit and Recovery Time Tests in a helical bifilar R-SFCL module

Short Circuit and Recovery Time Tests in a helical bifilar R-SFCL module

AC loss modelling and experiment of two types of low-inductance solenoidal coils

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