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Bibliografie tematiche / 2G-HTS Tapes

Letteratura scientifica selezionata sul tema "2G-HTS Tapes"

Autore: Grafiati

Pubblicato: 8 giugno 2024

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Articoli di riviste sul tema "2G-HTS Tapes":

1

Gaifullin, M., S. Lee, J. F. Kelleher, S. Kabra, M. Myronov, B. E. Evans e O. Kirichek. "Influence of mechanical stress on electron transport properties of second-generation high-temperature superconducting tapes". Low Temperature Physics 49, n. 8 (1 agosto 2023): 994–97. http://dx.doi.org/10.1063/10.0020169.

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Abstract (sommario):

Second-generation high-temperature superconductor (2G HTS) tapes have demonstrated the ability to generate high magnetic fields and critical currents at a wide operating temperature range. In this paper, we study the mechanical properties of 2G HTS tape measured simultaneously with its critical current. The lattice deformations in the tape’s substrate caused by applied mechanical stress were measured by neutron diffraction. In our experiments, the 2G HTS tape was exposed to uniaxial tensile force ranging from 250 to 1100 N at temperature 77 K. The current through the tape was scanned in the range from 22 to 42 A. The experimental results have been obtained in a cryogenic testing chamber for neutron scattering measurements of internal stresses under load with the incorporated HTS current leads. Critical stress is a vital parameter required for the modeling and designing of advanced superconducting magnets and also a variety of different superconducting applications based on 2G HTS tapes.

2

Wang, Kai, Hao Dong, Daxing Huang, Hongjing Shang, Bowei Xie, Qi Zou, Lin Zhang, Changping Feng, Hongwei Gu e Fazhu Ding. "Advances in second-generation high-temperature superconducting tapes and their applications in high-field magnets". Soft Science 2, n. 3 (2022): 12. http://dx.doi.org/10.20517/ss.2022.10.

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Second-generation high-temperature superconducting (2G-HTS) tapes based on REBa2Cu3O7-x (REBCO, RE: rare earth) materials enable the energy-efficient and high-power-density delivery of electricity, thereby promoting the development of clean energy generation, conversion, transmission, and storage. To overcome the weak grain-boundary connection and poor mechanical properties of these superconductors, a thin-film technology for epitaxy and biaxial textures based on flexible substrates has been developed. In recent years, high-quality 2G-HTS tapes have been produced at the kilometer scale and used in superconducting demonstration projects. This review first summarizes the development of HTS materials and briefly expounds the properties of REBCO superconducting materials. Subsequently, the structural characteristics, preparation methods, and current research progress of 2G-HTS tapes are given. In addition, the applications of REBCO tapes in constructing high-field magnets are also briefly reviewed.

3

Kulikov, I. V., M. Y. Chernykh, T. S. Krylova, A. V. Ovcharov, I. A. Chernykh e M. L. Zanaveskin. "A Superconducting Joint for 2G HTS Tapes". Technical Physics Letters 45, n. 4 (aprile 2019): 324–26. http://dx.doi.org/10.1134/s1063785019040072.

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4

KWOKA, Rafał, Janusz KOZAK e Michał MAJKA. "TESTS OF HTS 2G SUPERCONDUCTING TAPES USING THE LABVIEW ENVIRONMENT". Applied Computer Science 14, n. 1 (30 marzo 2018): 64–72. http://dx.doi.org/10.35784/acs-2018-06.

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HTS 2G superconducting tapes without stabilizer are used for the construction of superconducting fault current limiters. The characteristics R =f(T) of the superconducting tape is essential for design of superconducting current limiters and analysis of their numerical models. The article presents the experimentally determined characteristics R=f(T) of the second generation superconducting tapes SF4050 and SF12050 using the LabVIEW integrated environment. The article describes the method of sample preparation and methodology of testing of HTS 2G superconducting tapes. The LabVIEW integrated environment was used for the testing, thanks to which it was possible to download, process and save measurement data.

5

Yang, Chia-Ming, Yu-Chuan Chang, Chi-Lei Chang e In-Gann Chen. "Sintering Nano-Silver Paste by Resistive Joule Heating Process for 2G HTS Tape Joints". Materials 15, n. 4 (19 febbraio 2022): 1571. http://dx.doi.org/10.3390/ma15041571.

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Developing a joining technology for 2G HTS tapes without significantly reducing their superconducting property is crucial for numerous applications (MRI, motor/generator, power transmission, etc.). In this study, low sintering temperature (~230 °C) nano-silver paste was used as solder to join two 2G HTS tapes. In addition, two heating methods, i.e., furnace heating (heat flux outside-in) and resistive Joule heating (heat flux inside-out), were studied. This study indicates that the heat flux from internal by resistive Joule heating method shows less deteriorating impact to the 2G RE-Ba-Cu-O tape (RE: rare earth element) during the sintering process with the best specific resistance of 0.074 μΩ∙cm2 and Ic retention percentage of 99% (i.e., Ic reduced from 100 A before joining to 99 A after joining). This study indicates that nano-silver paste together with resistive Joule heating can possibly be used as soldering materials to join 2G HTS tapes.

6

Czerwinski, Dariusz, Leszek Jaroszynski, Michal Majka, Janusz Kozak e Barbara Charmas. "Comparison of Overcurrent Responses of 2G HTS Tapes". IEEE Transactions on Applied Superconductivity 26, n. 3 (aprile 2016): 1–4. http://dx.doi.org/10.1109/tasc.2016.2520080.

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7

Vysotsky, V. S., I. P. Radchenko, S. S. Fetisov, V. E. Sytnikov e V. V. Zubko. "Voltage-current characteristics of two soldered 2G HTS tapes". Journal of Physics: Conference Series 234, n. 2 (1 giugno 2010): 022042. http://dx.doi.org/10.1088/1742-6596/234/2/022042.

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8

Hajdasz, Sylwia, Adam Kempski, Krzysztof Solak, Maciej Marc, Jacek Rusinski e Pawel Szczesniak. "Critical Current Degradation in HTS Tapes for Superconducting Fault Current Limiter under Repeated Overcurrent". Applied Sciences 13, n. 7 (29 marzo 2023): 4323. http://dx.doi.org/10.3390/app13074323.

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Abstract (sommario):

Superconducting fault current limiters (SFCL) can be an alternative to conventional devices limiting short-circuit currents in power systems. SFCL use high-temperature superconducting tapes of the second generation (HTS 2G) in SFCL, which, after reaching the characteristic critical current of the tape, go into the resistive state (quenching), limiting the short-circuit current. The critical current determines the moment of activation of the SFCL. Therefore, its value should not change during the operation of the device due to repeated limitation of short-circuit currents. The constancy of the critical current is a prerequisite for proper cooperation with the power system protection devices. Multiple quenching can cause microdamage in the superconducting layers responsible for lowering of the value of the critical current of the HTS tapes. The article presents the research results on the degradation processes of 2G HTS tapes intended for the construction of SFCL due to the action of prospective short-circuit currents with values exceeding the critical current of the tested tapes. The decrease in the value of the critical current of the HTS tape as a result of multiple transitions to the resistive state was investigated. The amount of energy emitted during the test current pulse of 0.2 s duration was determined. The limitation values of the voltage drop on the tape, which does not cause accelerated degradation processes, were defined. The microstructural tests of cross-sections of new HTS tapes subjected to prospective short-circuit currents were performed.

9

Chand, Sumit Kumar, Reetu Bharti, Rajesh Kumar, A. K. Satapathy, T. S. Datta e Soumen Kar. "Characterization of SS-Laminated 2G-HTS tapes for SFCL applications". Indian Journal of Cryogenics 45, n. 1 (2020): 138–42. http://dx.doi.org/10.5958/2349-2120.2020.00024.2.

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10

Degtyarenko, A. Yu, E. A. Golovkova, A. S. Ivanov, A. V. Ovcharov e S. V. Krasheninnikov. "Structure of Dispersion-Reinforced Copper Substrate Tapes for 2G HTS". Crystallography Reports 67, n. 2 (aprile 2022): 172–77. http://dx.doi.org/10.1134/s1063774522020031.

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Più fonti

Tesi sul tema "2G-HTS Tapes":

1

Baghdadi, Mehdi. "Design and fabrication of the HTS synchronous motor using 2G-HTS stacked tapes". Thesis, University of Cambridge, 2016. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709482.

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2

Dirahoui, Walid. "Caractérisations numérique et expérimentale de défauts structurels dans les rubans supraconducteurs multicouches par thermographie inductive". Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0124.

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Abstract (sommario):

Les travaux de recherche menés dans le cadre cette thèse concernent la caractérisation de défauts structurels, à température ambiante, dans les rubans supraconducteurs de deuxième génération, dans une démarche contrôle de qualité et de fiabilité. Dans un premier temps, une modélisation magnétothermique bidimensionnel a été développée pour étudier la possibilité d'appliquer le contrôle par thermographie inductive sur les rubans SHT-2G. Par la suite, un banc expérimental est confectionné pour le contrôle des défauts structurels dans les rubans SHT-2G où un inducteur tournant a été préféré aux inducteurs alimentés par des courants afin d'éviter la perturbation thermique générées par ces derniers. Les mesures expérimentales sont soutenues par une modélisation tridimensionnelle à la fois pour des fins de validation mais aussi pour simuler des situations qui ne peuvent pas être reproduites expérimentalement. Le calcul des courants induits dans le ruban SHT-2G, est basé sur une formulation intégro-différentielle en termes de potentiel vecteur électrique, tandis que le champ magnétique source, créé par les aimants tournants, est calculé en utilisant le modèle de charges magnétiques surfaciques. Un modèle thermique, basé sur la méthode des différences finies, est associé au modèle électromagnétique pour le calcul de la température à la surface des échantillons inspectés. Plusieurs types de défauts sont caractérisés numériquement et expérimentalement. Enfin, une évaluation des contraintes mécaniques, générées par la rotation de la roue aimantée dans les rubans inspectés, est effectuée
The research work carried out in this thesis concerns the characterization of structural defects, at room temperature, in the second generation superconducting tapes, in a quality control and reliability control approach. First, a two-dimensional magnetothermal model has been developed to study the possibility of applying the eddy current thermography for the control of the 2G-HTS tapes. Then, an experimental bench is built for the control of structural defects in the 2G-HTS tapes where a rotating inductor has been preferred to current supplied inductors in order to avoid the thermal disturbance generated by the latter. The experimental measurements are supported by three-dimensional modeling both for validation purposes and to simulate situations that cannot be reproduced experimentally. The calculation of the eddy currents in the 2G-HTS tapes is based on an integro-differential formulation in terms of electric vector potential, while the source magnetic field, created by the rotating magnetic wheel, is calculated using the magnetic surface charge model. A thermal model, based on the finite difference method, is associated to the electromagnetic model for the calculation of the surface temperature of the inspected samples. Several types of defects are characterized numerically and experimentally. Finally, an evaluation of the mechanical stresses, generated by the rotation of the magnetized wheel in the inspected tapes, is performed

3

Baskys, Algirdas. "Stacks of high temperature superconducting tape as trapped field magnets for energy applications". Thesis, University of Cambridge, 2017. https://www.repository.cam.ac.uk/handle/1810/268019.

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Abstract (sommario):

The world demand for energy is estimated to increase by up to 70% from 2016 to 2040. To meet this demand in a sustainable way, the power density of electric motors and generators can be increased by using superconducting materials. In particular, trapped field superconducting magnets, where the field is generated by a circulating persistent current in the sample, can create magnetic fields an order of magnitude higher than possible using conventional ferromagnets, thus increasing the power density of motors and generators. This is of great interest where added weight comes at a premium, such as for naval propulsion motors, wind generators and motors/generators for future electric aircraft. This work investigates the suitability of stacked tape layers of second generation high temperature superconductors (HTS), such as YBa2Cu3O7-x (YBCO) for trapped field applications. The present limits for trapped field magnitude have been determined, which provide a basis for the optimization of pulsed field magnetization techniques for in-situ magnetization in motors and generators. Trapped fields were increased by optimising the magnetic pulse sequence, using thermally conductive material to reduce temperature rise during pulse and changing the duration of the magnetic field pulse. Finite element method computer modelling was used to model and predict the behaviour of the trapped field magnets made of HTS tape with good agreement to experiment for both field cooling and pulsed field magnetisation. The models rely on critical current data for the HTS tape and its dependence on magnetic field and temperature. For this reason, a critical current testing facility was developed and constructed as a part of this work capable of measuring critical current up to 900 A, magnetic field of 1.5 T and down to temperatures of ~10 K in forced and dynamically controlled helium vapour flow. Lastly, first steps into scaling up by pulse magnetising an array of HTS tape stacks were made, allowing for larger overall trapped flux values. Such an array exhibits geometry, similar to what is going to be used in a functional motor prototype being developed in our research group (Applied Superconductivity and Cryoscience Group, ASCG). The work done culminated in the highest trapped field achieved to date using both field cooling (13.4 T between two stacks) and pulsed field magnetization (2.1 T above a single stack), for this type of trapped field magnet.

Capitoli di libri sul tema "2G-HTS Tapes":

1

Lacroix, Christian. "Accelerating Quench Propagation in 2G HTS Coated Conductors by Engineering the Tape Architecture". In World Scientific Series in Applications of Superconductivity and Related Phenomena, 347–55. WORLD SCIENTIFIC, 2018. http://dx.doi.org/10.1142/9789813272989_0016.

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Atti di convegni sul tema "2G-HTS Tapes":

1

Li, Jia Wei, Yin Shun Wang e Takyo Hasegawa. "Twisting characterization of 2G HTS tapes". In 2015 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD). IEEE, 2015. http://dx.doi.org/10.1109/asemd.2015.7453538.

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2

Zhang, Yongchao, Jianxun Jin, Junliang Chen e Zhenyang Huang. "Characterization Analysis of HTS 2G Stacked Tapes and YBCO Bulk". In 2023 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD). IEEE, 2023. http://dx.doi.org/10.1109/asemd59061.2023.10369440.

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3

Hajdasz, Sylwia, Adam Kempski e Jacek Rusinski. "Study of HTS 2G superconductor tapes properties for applications in SFCL". In 2018 Innovative Materials and Technologies in Electrical Engineering (i-MITEL). IEEE, 2018. http://dx.doi.org/10.1109/imitel.2018.8370467.

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4

Li, Jia Wei, Yin Shun Wang e Ming Li. "Twisting characteristics of a quasi-isotropic strand fabricated by 2G HTS tapes". In 2015 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD). IEEE, 2015. http://dx.doi.org/10.1109/asemd.2015.7453657.

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5

Diev, D. N., O. P. Anashkin, V. E. Keilin, A. V. Krivykh, A. V. Polyakov e V. I. Shcherbakov. "Delamination tests of 2G HTS tapes at room and liquid nitrogen temperatures". In ADVANCES IN CRYOGENIC ENGINEERING: Transactions of the International Cryogenic Materials Conference ICMC Volume 60. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4860631.

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6

He, Darui, Yan Li, Qiu Wang, Jiaqi Zheng, Fangyuan Tian, Yifei Fan e Chengjie Cao. "Thermal Stability Analysis of 2G High Temperature Superconducting (HTS) Tapes under DC Shock". In 2022 IEEE 5th International Electrical and Energy Conference (CIEEC). IEEE, 2022. http://dx.doi.org/10.1109/cieec54735.2022.9846496.

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7

Ruilin Pei, Anton Velichko, Yudong Jiang, Zhiyong Hong, Mako Katayama e Tim Coombs. "High-precision digital lock-in measurements of critical current and AC loss in HTS 2G-tapes". In SICE 2008 - 47th Annual Conference of the Society of Instrument and Control Engineers of Japan. IEEE, 2008. http://dx.doi.org/10.1109/sice.2008.4655206.

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8

Janowski, Tadeusz, e Grzegorz Wojtasiewicz. "Equalizing current in the windings of 2G HTS transformer with parallel tapes transposed with clusters of transpositioners". In 2017 International Conference on Electromagnetic Devices and Processes in Environment Protection with Seminar Applications of Superconductors (ELMECO & AoS). IEEE, 2017. http://dx.doi.org/10.1109/elmeco.2017.8267756.

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9

Govor, Vladislav M., Alexander G. Kalimov, Steve Bagan, Evgenii N. Kobzar e Emil R. Mannanov. "Numerical Simulation of Frequency-dependent AC Transport Losses in HTS 2G Tape with Copper Stabilizer". In 2022 Conference of Russian Young Researchers in Electrical and Electronic Engineering (ElConRus). IEEE, 2022. http://dx.doi.org/10.1109/elconrus54750.2022.9755604.

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10

Lasek, Pawel, Jaroslaw Michalak e Mariusz Stepien. "Critical current of HTS 2G tape operating under high-frequency triangular wave current with DC bias". In 2019 20th International Symposium on Power Electronics (Ee). IEEE, 2019. http://dx.doi.org/10.1109/pee.2019.8923527.

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