Title :
Analysis of Magnetic-Supported Suspension Torque Acting on Superconducting Sphere Rotor
Author :
Cui, Chunyan ; Wang, Qiuliang
Author_Institution :
Inst. of Electr. Eng., Chinese Acad. of Sci., Beijing, China
Abstract :
Based on the Meissner effect, a superconducting sphere is suspended in the vacuum housing. Due to the asphericity of the sphere, the torque is generated when the magnetic-supported suspension forces act on the spinning superconducting sphere. An analytical model is presented to calculate the magnetic-supported suspension torque. The torque is calculated with regard to ten superconducting bearing coils located around the sphere, and a case study is given to discuss the disturbance torque.
Keywords :
Meissner effect; machine bearings; rotors; torque; Meissner effect; asphericity; disturbance torque; magnetic-supported suspension forces; magnetic-supported suspension torque; spinning superconducting sphere; superconducting bearing coils; superconducting sphere rotor; vacuum housing; Coils; Magnetic levitation; Rotors; Spinning; Superconducting magnets; Suspensions; Torque; Asphericity; Meissner effect; magnetic-supported suspension torque; superconducting sphere rotor;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
DOI :
10.1109/TASC.2011.2138706
