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Control and Operation of a High Temperature Superconducting Synchronous Motor

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11 Author(s)
Zhen Huang ; Dept. of Eng., Univ. of Cambridge, Cambridge, UK ; Wei Xian ; Min Zhang ; Michal Chudy
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We have built a four-pole high temperature superconducting (HTS) permanent magnet synchronous motor (PMSM) in our lab. At this stage, the HTS PMSM uses two 2G HTS racetrack coils, which are YBCO wires, type 344 from AMSC, and four conventional copper coils as stator windings. 75 YBCO bulks are mounted on the surface of the rotor. After the pulsed field magnetization system had been developed and tested in our lab in 2011, the rotor can trap a four-pole magnetic field. This makes HTS bulks possible for motor application, other than HTS coils. The HTS PMSM can successfully run at a low speed of around 150 rpm for an initial test. This paper states theoretical and practical works on the HTS PMSM's operation including HTS motor drive development and its application.

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IEEE Transactions on Applied Superconductivity  (Volume:23 ,  Issue: 3 )