HTS materials for AC current transport and fault current limitation

Verhaege, T.; Herrmann, P.F.; Cottevieille, C.; Böck, J.; Wolf, Alexey A.; Moulaert, G.; Freyhardt, H.C.; Usoskin, A.; Lehtonen, Juha; Paasi, Jaakko; Collet, Manuel

doi:10.1109/77.920373

Cited by 6 publications

(3 citation statements)

References 6 publications

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“…The element may be fabricated as a set of parallel and series connected HTS thin films or bulk components [3]- [6], [20], [21]. Modern technology allows one to produce HTS bulk specimens with the critical current density of higher than A/cm and large size cm HTS thin films with the critical current density of higher than A/cm [22]- [25]. Under normal conditions of the protected circuit, amplitude of the rated current is lower than the critical current of the superconducting element and the element is in the superconducting state with zero resistance.…”

Section: A Resistive Designmentioning

confidence: 99%

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Superconducting FCL: Design and Application

Sokolovsky

Meerovich

Vajda

et al. 2004

IEEE Trans. Appl. Supercond.

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Design, parameters, and application areas of a superconducting fault current limiter (FCL) are analyzed on the basis of the requirements of power systems. The comparison of resistive and inductive designs is carried out. An example of the effective application of FCLs in distribution substations is considered and the gain from the FCL installation is discussed. It is shown that an FCL not only limits a fault current but also increases the dynamic stability of the synchronous operation of electric machines. The calculation procedure of the parameters of an inductive FCL for a specific application case is described.Index Terms-Fault current limiter (FCL), high-temperature superconductor (HTS), power system.

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Section: A Resistive Designmentioning

confidence: 99%

“…Several HTS prototypes were built and tested recently. YBCO-based thin film 100-kVA and 1-MVA functional prototypes were developed at Siemens [3], [6], the resistive FCL prototypes employing BSCCO rods were built [26], several prototypes were based on YBCO (YBCO-coated conductor tubes [25], YBCO bulk meanders [27]). …”

Section: A Resistive Designmentioning

confidence: 99%

Superconducting FCL: Design and Application

Sokolovsky

Meerovich

Vajda

et al. 2004

IEEE Trans. Appl. Supercond.

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“…Among these, hot forging is the most promising option 8 . In the YBCO superconducting system, the phase YBa 2 Cu 3 O 7-x (Y-123) is candidate for FCL application in the form of a coated film on stainless steel substrate 9 . The technique used for the film deposition is the novel and sophisticated High-Rate Pulsed-Laser-Deposition method 10 .…”

Section: Introductionmentioning

confidence: 99%

Development of Bulk Bi2+xSr3-yCa yCu 2O8+delta Superconductors by Partial-Melting Route for Fault Current Limiters Application

Marinković

Xia²,

Saléh³

et al. 2002

Mat. Res.

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The production of bulk Bi 2+x Sr 3-y Ca y Cu 2 O 8+∆ (Bi-2212) superconductors for fault current limiter application was developed via a partial-melting route. Aiming high I c (critical current), which is the essential superconducting characteristic for application of this material in the construction of Fault Current Limiters (FCL), the produced blocks have predominance of Bi-2212 phase (83 wt%), which characterizes with high values of zero and onset transport critical temperature of 92 K and 97.5 K, respectively. A relatively low transition width, ∆T, from the superconducting to the normal state of 5.5 K, revealed a good intergrain connectivity. Consequently, current measurements on the blocks of Bi-2212 show promising I c values of 230 A and 850 A for direct and alternate current, respectively. It is expected that further increases in the I c values will depend on the elimination of an observed amorphous phase and further reduction of amount and grain sizes of secondary phases, still present in the blocks obtained by the proposed partial-melting route. This may be achieved by a further optimization of the partial-melting processing parameters.

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High-temperature superconducting fault current limiters (FCLs) for power grid applications

Meerovich

2015

Superconductors in the Power Grid

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HTS materials for AC current transport and fault current limitation

Cited by 6 publications

References 6 publications

Superconducting FCL: Design and Application

Superconducting FCL: Design and Application

Development of Bulk Bi2+xSr3-yCa yCu 2O8+delta Superconductors by Partial-Melting Route for Fault Current Limiters Application

High-temperature superconducting fault current limiters (FCLs) for power grid applications

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