Journal
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
Volume 26, Issue 3, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TASC.2016.2540166
Keywords
AC magnetic field; dynamic resistance; HTS; persistent current switch
Funding
- Cambridge Trust
Ask authors/readers for more resources
High-temperature superconducting (HTS) magnets operating in persistent current mode can achieve better field stability as well as reduce loss compared with being powered by an external current source. Persistent current switch (PCS) is essential for HTS magnets to operate in persistent current mode. In this paper, we proposed, fabricated, and tested an ac-field-controlled HTS PCS. In the PCS, we used the dynamic resistance of a type-II superconductor as the source of switching-off resistance. An ac magnetic field was applied perpendicular to the surface of a piece of YBCO tape, thus forming the PCS. The performance of the PCS was tested by charging a small superconducting coil under an ac field of different magnitudes and frequencies. The switching-off resistance of the PCS in the experiment is less than 0.2 m Omega, which may be promising for various usages in HTS magnets.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available