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Project FASTGRID - Tests on 2G HTS for its Application in DC Resistive SC FCL

Kudymow, Andrej; Sousa, Wescley T. B. de ORCID iD icon; Elschner, Steffen; Palasz, Szymon; Noe, Mathias ORCID iD icon

Abstract (englisch):

HVDC (High Voltage Direct Current) super-grids could become a future solution for the long-distance power-transmission. The Superconducting Fault Current Limiter (SCFCL) is a necessary facility to protect such transmission lines. In the framework of the project FASTGRID dedicated HTS wires for resistive type DC-SCFCL are under development.
To reduce the cost per switching capacity: Reduction of the amount of HTS shall be achieved by increasing the allowed electrical field and the critical current density at operating conditions.
A wire with an additional laminated 500 µm Hastelloy® shunt is the basic solution for FASTGRID. This work shows experiments on this prospective solution, compared with tests on bare coated conductors at lower E-field, once applied in ECCOFLOW SCFCL.
The goal of this work is the validation of the HTS conductor for an electric field higher than 130 V/m for a fault clearing time of 50 ms.

Volltext §
DOI: 10.5445/IR/1000104345
Veröffentlicht am 16.01.2020
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Technische Physik (ITEP)
Publikationstyp Poster
Publikationsdatum 03.09.2019
Sprache Englisch
Identifikator KITopen-ID: 1000104345
HGF-Programm 37.06.02 (POF III, LK 01) New Power Network Technology
Veranstaltung 14th European Conference on Applied Superconductivity (EUCAS 2019), Glasgow, Vereinigtes Königreich, 01.09.2019 – 05.09.2019
Schlagwörter 2G HTS, HVDC, super-grid, superconducting fault current limiter
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