Eur. Phys. J. Appl. Phys.
Volume 80, Number 2, November 2017
Electrical Engineering Symposium (SGE 2016)
|Number of page(s)||10|
|Section||Physics of Energy Transfer, Conversion and Storage|
|Published online||25 October 2017|
Superconducting magnetic energy storage and superconducting self-supplied electromagnetic launcher★
Institut Néel, G2ELab CNRS/Université Grenoble Alpes,
* e-mail: firstname.lastname@example.org
Received in final form: 8 April 2017
Accepted: 16 August 2017
Published online: 25 October 2017
Superconductors can be used to build energy storage systems called Superconducting Magnetic Energy Storage (SMES), which are promising as inductive pulse power source and suitable for powering electromagnetic launchers. The second generation of high critical temperature superconductors is called coated conductors or REBCO (Rare Earth Barium Copper Oxide) tapes. Their current carrying capability in high magnetic field and their thermal stability are expanding the SMES application field. The BOSSE (Bobine Supraconductrice pour le Stockage d’Energie) project aims to develop and to master the use of these superconducting tapes through two prototypes. The first one is a SMES with high energy density. Thanks to the performances of REBCO tapes, the volume energy and specific energy of existing SMES systems can be surpassed. A study has been undertaken to make the best use of the REBCO tapes and to determine the most adapted topology in order to reach our objective, which is to beat the world record of mass energy density for a superconducting coil. This objective is conflicting with the classical strategies of superconducting coil protection. A different protection approach is proposed. The second prototype of the BOSSE project is a small-scale demonstrator of a Superconducting Self-Supplied Electromagnetic Launcher (S3EL), in which a SMES is integrated around the launcher which benefits from the generated magnetic field to increase the thrust applied to the projectile. The S3EL principle and its design are presented.
© EDP Sciences, 2017
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