Electromagnetic Design of High-Power and High-Speed Permanent Magnet Synchronous Motor Considering Loss Characteristics

The motor is an important part of the flywheel energy storage system. system realizes absorption and release electric through motor, high-performance, low-loss, high-power, high-speed motors are key components to improve conversion efficiency flywheels. This paper analyzes operating characteristics permanent magnet synchronous motor/generator (PMSG) used in magnetically levitated (FESS) calculates loss drive power generation modes. Based on this, electromagnetic optimized detail. Aiming at this design, driving modes detail, including its winding loss, core rotor eddy current mechanical loss. calculation results show that design meets requirements. It can reduce no-load high speed efficiency, which gives practical application prospects.