THOR-FBS - asymmetric PM-SyR machine model
Abstract
Motor model to be used in SyR-e of the THOR-FBS motor, a permanent magnet - assisted synchronous reluctance machine with asymmetric rotor for torque ripple minimization, available in PEIC laboratory at Politecnico di Torino
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THOR-FBS December 4, 2025
I. DESCRIPTION Permanent Magnet Synchronous Machine with high-anisotropy rotor: ‚IPM rotor geometry with 3-barriers PM-SyR design ‚high-temperature NdFeB permanent magnets ‚custom-designed stator and rotor laminations ‚asymmetric rotor structure to minimize torque ripple (FBS=Flux Barrier Shift). TABLE I: Motor Nameplate Number of pole pairs 2 Number of stator slots 36 Number of phases 3 Stator outer diameter (mm) 170 active Stack length (mm) 120 active Rated torque (Nm) 19 Peak torque (Nm) 43 Rated power (kW) 5 at base speed Peak power (kW) 11.5 Rated speed (rpm) 2500 Maximum speed (rpm) 9000 DC-link voltage (V) 310 Rated phase current (Apk) 22 4.6 Arms/mm2 Peak phase current (Apk) 44 II. LIST OF FILES The repository includes: ‚SyR-e files (THOR-FBS.mat and THOR-FBS.fem), with custom geometry imported (SyR-e parametrization slightly changed), with: –flux and loss maps at 20˝C and 120 ˝C; –demagnetization limit; ‚description (this file); ‚compressed result folder, with: –efficiency maps computed at cold and hot conditions; –characteristic current computation; –airgap flux density at no-load and rated condition; –eNVH sources at no-load and rated condition. III. ADDITIONAL RESOURCES The files can be opened with MATLAB or using SyR-e, available on: ‚GitHub (github.com/SyR-e/syre public) ‚Zenodo (10.5281/zenodo.13944454)