Technologies for high field HTS magnets

Picard, Julian; Zouiti, M.; Levillain, C.; Wilson, M.N.; Ryan, D.; Marken, K.R.; Hermann, P; Beghin, E.; Verhaege, T.; Parasie, Y.; Böck, J.; Baecker, M; Perenboom, J.A.A.J.; Paasi, Jaakko

doi:10.1109/77.783353

Cited by 18 publications

(5 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Thus a temperature sensor may not detect a developing quench in time. The use of some kind of heat drains for improving the thermal conductivity in the magnet [16,17] would help the situation much. The quench detection based on monitoring the voltage over a coil section is not straightforward either.…”

Section: Discussionmentioning

confidence: 99%

Stability and quench of a HTS magnet with a hot spot

Paasi

Lehtonen

Kalliohaka

et al. 2000

Supercond. Sci. Technol.

View full text Add to dashboard Cite

Stability and quench experiments were performed on a cryocooler refrigerated Bi-2223/Ag magnet with an artificial hot spot. The hot spot was realized by making a poor, high-resistivity joint between the current terminal and the bottom pancake coil of the magnet. According to the experiments the magnet could tolerate considerable power dissipation at the hot spot for long times still avoiding a thermal runaway. Processes preceding the quench occurred much slower if compared to quenches in typical LTS windings. For a deeper understanding of the measured results computer simulations were done by using a model based on the heat conduction equation coupled with Maxwell's equations and solved using the finite-element method. Simulated temperature distributions inside the magnet showed that considerable temperature differences exist between different parts of the magnet, despite the slowness of the processes. Before a quench there were no large temperature gradients around the hot spot. During the quench the hot spot temperature increased rapidly but the temperature of other parts of the magnet increased only with a delay.

show abstract

Section: Discussionmentioning

confidence: 99%

Stability and quench of a HTS magnet with a hot spot

Paasi

Lehtonen

Kalliohaka

et al. 2000

Supercond. Sci. Technol.

View full text Add to dashboard Cite

show abstract

“…However, the obvious anisotropy electromagnetic character makes the design of the HTS magnet is different with the LTS magnet design. It is well known that in HTS materials are more sensitive to magnetic fields perpendicular to the wide face of the HTS tape than to fields parallel to the wide face of the HTS tape [1].…”

Section: Introductionmentioning

confidence: 99%

The Utilization of Genetic Algorithm on High Temperature Superconducting Magnet Design

Song

Líu

Deng

et al. 2014

AMR

View full text Add to dashboard Cite

In high temperature superconducting (HTS) magnet design, it well known that the critical current (Ic) is sensitive to the direction of the local magnetic field. The perpendicular magnetic field component to the face of tape have a larger effect on the Icof a HTS tape than the parallel component. Thus in HTS magnet design, the magnetic field distribution is the first considering factor. This work presents a HTS magnet design using genetic algorithm to obtain the object. When the length of the tape is certain, the results show that the process gives the optimal number of the double pancake and the inner radius of the magnet.

show abstract

“…Hence, many studies and developments of HTS SMES have been carried out. In [28], it was reported that six partners from five European countries cooperated within an R&D BRITE EURAM project named SHIFT to develop basic technologies for manufacturing magnets producing high fields operating in the temperature range 20-30 K. One of the potential applications is pulsed magnets for SMES, which is used to smooth the voltage sags and to mitigate flicker. Within the Italian project for the development of 1 MJ/1 MW SMES, the SMES system had 1100 A resistive/HTS current leads conduction-cooled by a closed cycle refrigerator in the temperature range 60-70 K [29].…”

Section: Introductionmentioning

confidence: 99%

A study of the status and future of superconducting magnetic energy storage in power systems

Xue¹,

Cheng²,

Sutanto³

2006

Supercond. Sci. Technol.

View full text Add to dashboard Cite

Superconducting magnetic energy storage (SMES) systems offering flexible, reliable, and fast acting power compensation are applicable to power systems to improve power system stabilities and to advance power qualities. The authors have summarized researches on SMES applications to power systems. Furthermore, various SMES applications to power systems have been described briefly and some crucial schematic diagrams and equations are given. In addition, this study presents valuable suggestions for future studies of SMES applications to power systems. Hence, this paper is helpful for co-researchers who want to know about the status of SMES applications to power systems.

show abstract

Technologies for high field HTS magnets

Cited by 18 publications

References 4 publications

Stability and quench of a HTS magnet with a hot spot

Stability and quench of a HTS magnet with a hot spot

The Utilization of Genetic Algorithm on High Temperature Superconducting Magnet Design

A study of the status and future of superconducting magnetic energy storage in power systems

Contact Info

Product

Resources

About