Design of a 0.2 MJ conduction cooled Nb3Sn SMES system

Risto Mikkonen; Aki Korpela; Jorma Lehtonen; Jaakko Paasi; Jyrki Vuorinen

doi:10.1109/77.828348

Design of a 0.2 MJ conduction cooled Nb3Sn SMES system

Risto Mikkonen^*, Aki Korpela, Jorma Lehtonen, Jaakko Paasi, Jyrki Vuorinen

^*Corresponding author for this work

Not published at VTT

Research output: Contribution to journal › Article in a proceedings journal › Scientific › peer-review

8 Citations (Scopus)

Abstract

Superconducting Magnetic Energy Storage (SMES) system can be used to develop methods for improving power quality where a short interruption of power could lead to a long and costly shutdown. The commercialized μ-SMES concepts are based on NbTi technology. Nb₃Sn has excellent superconducting properties but unfortunately it is extremely brittle and usually the coils are made with the time consuming wind and react method. On the other hand, a Nb₃Sn magnet enables a coil operating temperature around 10 K. Considerable advances in cryocooler technology have been made during the past ten years - pushed partly by the progress of HTS technology. Therefore a Nb₃Sn coil with a reliable cryocooler unit could be a preferable alternative when designing different kind of magnet systems. Based on these viewpoints a cryogen free Nb₃Sn SMES system operating at 10 K has been designed in order to compensate a short term loss of power.

Original language	English
Pages (from-to)	784-787
Journal	IEEE Transactions on Applied Superconductivity
Volume	10
Issue number	1
DOIs	https://doi.org/10.1109/77.828348
Publication status	Published - 1 Mar 2000
MoE publication type	A4 Article in a conference publication
Event	The 16th International Conference on Magnet Tehnolopgy - Tallahassee, FL, USA Duration: 26 Sept 1999 → 2 Oct 1999

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abstract = "Superconducting Magnetic Energy Storage (SMES) system can be used to develop methods for improving power quality where a short interruption of power could lead to a long and costly shutdown. The commercialized μ-SMES concepts are based on NbTi technology. Nb3Sn has excellent superconducting properties but unfortunately it is extremely brittle and usually the coils are made with the time consuming wind and react method. On the other hand, a Nb3Sn magnet enables a coil operating temperature around 10 K. Considerable advances in cryocooler technology have been made during the past ten years - pushed partly by the progress of HTS technology. Therefore a Nb3Sn coil with a reliable cryocooler unit could be a preferable alternative when designing different kind of magnet systems. Based on these viewpoints a cryogen free Nb3Sn SMES system operating at 10 K has been designed in order to compensate a short term loss of power.",

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AU - Korpela, Aki

AU - Lehtonen, Jorma

AU - Paasi, Jaakko

AU - Vuorinen, Jyrki

PY - 2000/3/1

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N2 - Superconducting Magnetic Energy Storage (SMES) system can be used to develop methods for improving power quality where a short interruption of power could lead to a long and costly shutdown. The commercialized μ-SMES concepts are based on NbTi technology. Nb3Sn has excellent superconducting properties but unfortunately it is extremely brittle and usually the coils are made with the time consuming wind and react method. On the other hand, a Nb3Sn magnet enables a coil operating temperature around 10 K. Considerable advances in cryocooler technology have been made during the past ten years - pushed partly by the progress of HTS technology. Therefore a Nb3Sn coil with a reliable cryocooler unit could be a preferable alternative when designing different kind of magnet systems. Based on these viewpoints a cryogen free Nb3Sn SMES system operating at 10 K has been designed in order to compensate a short term loss of power.

AB - Superconducting Magnetic Energy Storage (SMES) system can be used to develop methods for improving power quality where a short interruption of power could lead to a long and costly shutdown. The commercialized μ-SMES concepts are based on NbTi technology. Nb3Sn has excellent superconducting properties but unfortunately it is extremely brittle and usually the coils are made with the time consuming wind and react method. On the other hand, a Nb3Sn magnet enables a coil operating temperature around 10 K. Considerable advances in cryocooler technology have been made during the past ten years - pushed partly by the progress of HTS technology. Therefore a Nb3Sn coil with a reliable cryocooler unit could be a preferable alternative when designing different kind of magnet systems. Based on these viewpoints a cryogen free Nb3Sn SMES system operating at 10 K has been designed in order to compensate a short term loss of power.

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Design of a 0.2 MJ conduction cooled Nb3Sn SMES system

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