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The multiphase Halbach array permanent-magnet machines are very good candidates for special applications such as marine and military applications due to the fault tolerance capability, high output torque, and high acceleration features. In this paper, an optimal design of a five-phase Halbach permanent-magnet machine for high efficiency, high torque, and high acceleration is investigated. A Genetic...
A radial-radial flux compound-structure permanent-magnet synchronous machine (CS-PMSM) is an electromagnetic transmission which is integrated by two concentrically arranged electric machines. As the two electric machines share a rotor as structural and magnetic common part, their magnetic paths are coupled. The magnetic-path coupling may cause the magnetic-field interference of the two machines, which...
This paper presents rib design in the rotor of IPMSM to increase maximum power in the field weakening region without variation of PM usage, conductor and size. Rib design is critical issue in the design of IPMSM due to leakage flux of permanent magnet and dominated by mechanical strength, therefore structural analysis should be conducted and minimum thickness should be selected. Rib design also affects...
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