Magnetic characteristics of permanent magnet guideways at low temperature and its effect on the levitation force of bulk YBaCuO superconductors》.pdfVIP

Journal of Alloys and Compounds 656 (2016) 77 e81 Contents lists available at ScienceDirect Journal of Alloys and Compounds journal homepage: http://www.elsevier .com/locate/jalcom Magnetic characteristics of permanent magnet guideways at low temperature and its effect on the levitation force of bulk YBaCuO superconductors Botian Zheng a, b, Jun Zheng a, c, *, Dabo He a, b, Yu Ren a, Zigang Deng a, * a Applied Superconductivity Laboratory (ASCLab), State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, PR China b School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, PR China c Institute for Superconducting and Electronic Materials (ISEM), University of Wollongong, Wollongong, New South Wales 2522, Australia a r t i c l e i n f o a b s t r a c t Article history: It is important to understand the influence of environmental temperature variation on high temperature Received 15 May 2015 superconducting (HTS) maglev performance in practice. As the on-board bulk high temperature super- Received in revised form conductors (HTSCs) are kept in liquid nitrogen cryostats at all times, the actual temperature effects 28 August 2015 relevant to maglev performance are on the permanent magnet guideway (PMG), and these have been Accepted 14 September 2015 examined by exploring the PMG magnetic characteristics and the related interaction force with the on- Available online 15 September 2015