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Conventional bearingless motor has two sets of 3-phase stator windings. The main winding is used to produce torque, while the suspension winding is utilized to produce radial force. This paper proposes a new multiphase bearingless machine with a single set of multiphase windings, taking advantage of the multiple control degrees of freedom in multiphase machine. Two groups of currents are fed to the...
Compared with their three-phase counterparts, multiphase machines with phase number n ges 5 have many advantages like lower torque pulsation, higher power density, better fault tolerance, etc. Due to these advantages and the increasing demands on high performance and high power adjustable speed drives, the research on multiphase drives has experienced a significant growth since the end of last century...
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